Patent Application
20150359710
The present application relates to the medical instrumentation field, more particularly, relates to a medicinal Xiding vial and a dispensing apparatus and an injection apparatus thereof.
As we all know, general medicinal vials include an ampoule vial, a cillin vial, a card vial and a prefilled injector, etc.
Ampoule vial is a glass vial sealed with flame and is often used to store medicines for injection, vaccines and blood serum, etc., whose cleaning, drying, sterilization and filling technologies are mature, the sealing of the filling is adopted by heating the neck of the ampoule vial that has been filled with medicinal liquid using flame, and after melting, the ampoule vial is sealed using a wire-drawing sealing process. But the ampoule vial is not applicable to non-heat resistance medicine because the sealing thereof is heated using flame; in another hand, there is a risk of affecting quality of the medicine by a medicinal liquid chemical reaction caused due to high temperature during a filling process. When an amouple vial is to be used, a grinding wheel is used to cut the vial neck, the ampoule vial neck needs to be broken off with bare hands or opened by hard substance, and medicine inside the ampoule vial is sucked using an injector for injecting, and the injector directly contacts the medicine. It is extremely easy to result in debris of the grinding wheel adhesive to the vial wall and glass debris falling into the medicinal vial during a dispensing operation process, the poisonous medicinal liquid directly contacting the skin of the dispensed person causes infection, and the medicine contacts ambient air during opening the ampoule vial, there is a problem of secondary pollution, and the dosage of the manufactured product thereof is limited.
Cillin vial was named for holding penicillin in the earlier days, while cillin vial is also called as an injector vial made of sodium calcium glass, which is a small vial with a rubber plug sealing. There are brown and transparent cillin vials, etc., which are generally made of glass. Its neck part is thinner, and the part below the vial neck has the same width. The vial opening is slightly thicker than the vial neck and is slightly thinner than the vial body. The cillin vial may be used as an iodine vial, an injection liquid vial and an oral liquid vial, etc. When the cillin vial is used as an injection liquid vial, it is similar to the ampoule vial. That is, the dispensing operation process is tedious, an injector needs to be used to suck the medicine inside the cillin vial for injection, since it is difficult to suck out the medicinal liquid due to negative pressure generated inside the vial during sucking the medicine inside the cillin vial with an injector, the sucking intensity needs to increase to allow negative pressure to be generated inside the needle tube and the medicinal liquid to be sucked into the needle tube when the vial is standing upside down, however, which results in sucking air into the needle tube at an instant of pulling out the needle tube, there is a problem of secondary pollution.
An opening of the card vial is filled with rubber plug and sealed with an aluminum cap, and a tail part thereof is sealed by a rubber piston, similar to a glass needle tube injector with prefilled medicinal liquid, and a bi-pass guide needle head and a push rod for injection are additionally configured. The guide needle head is inserted into the rubber plug of the vial opening, the push rod is placed on the rubber piston of the vial tail part for applying force during the use of the card vial, and the medicinal liquid is injected into the human body under the pressure of the piston. Since the piston is not sealed with the aluminum cap by means of pressure, the medicinal liquid is expanded during high temperature sterilization, which easily causes the piston to fall off. Thus, the card vial belongs to a product without terminal sterilization. The medicinal liquid does not contact any member of the injector during the use of the card vial, which solves the problem of secondary pollution during the injection. However, since the card vial is not a terminal sterilized product, the tail part thereof is sealed by a rubber piston which is slidable during the use, thereby requiring a high sealing reliability technology and a large manufacture cost, and the selection of the manufacture dosage type is limited.
Prefilled injector directly fills an injection medicine into a glass injector, and an injection needle head is installed on the glass injector, the injector and the medicinal liquid package container are integrated. The injection is performed directly during the use, which is greatly convenient and its quality guarantee period is same long as those of the ampoule vial and the cillin vial. There are some prominent advantages as follows: (1) there is no cross infection during the use, unclean air in a ward cannot contact the medicine, thereby achieving safety injection; (2) it is extremely convenient for doctors and nurses, and there is no need to suck medicine and install a needle head, injection are directly performed and one-time used; (3) medicine is sufficiently utilized without residual medicinal liquid; and (4) self injection is applicable to an open country. However, the prefilled injector is similarly applicable to a non-terminal sterilization product only, such as a biological activity of vaccine, etc., and the package materials thereof are expensive, which is difficult to be promoted.
For most medicines, the manufacture package thereof in a pharmaceutical factory, storage and transportation thereof during the sale and the use thereof in a hospital do not have notable variation, especially the package of the medicine decides the use pattern in a hospital, and the involved dispensing widely has a problem of secondary pollution, there is no an ideal solution all over the world, and seamless connection among medicine manufacture, sale, dispensing and injection of human body cannot be realized.
1. One of the purposes of the present disclosure aims to provide an assembly comprising a reversely pressed medicinal xiding xiding vial, a reversely pressed dispensing apparatus and a reversely pressed injection apparatus, which can ensure the sealing reliability and terminal sterilization of a reversely pressed medicinal xiding vial, conveniently dispense and solve the problem of secondary pollution during the injection, thereby realizing seamless connection among medicine manufacture, sale, dispensing and injection for human body.
In order to achieve the above purpose, the following first group of technical solutions is adopted by the present disclosure.
(1.1) An assembly of a reversely pressed medicinal xiding vial and a reversely pressed injection apparatus, characterized in that it includes a reversely pressed medicinal xiding vial and a reversely pressed injection apparatus;
the reversely pressed medicinal xiding vial includes a vial body whose inner wall is a straight cylinder, a first piston is disposed on a position close to the vial opening of the vial body, a blind hole is disposed at the center of an outer bottom surface of the first piston, the vial opening is provided with an outer edge, and a seal cap is fixed on the out edge to prevent the first piston from falling off;
the reversely pressed injection apparatus includes an injection tube, a fixed push rod positioned inside the injection tube and an inner needle longitudinally penetrating the fixed push rod are disposed at the bottom center of the injection tube, a needle head of the inner needle sticks out of the fixed push rod, an outer needle is disposed at an outlet port of the injection tube, and a tail part of the outer needle is connected with a tail part of the inner needle; an inner wall of the injection tube clearance-fits an outer edge of the vial opening; and a free end of the fixed push rod is fit-connected with a blind hole at the center of an outer bottom surface of the first piston.
The further improvement of the above technical solution lies in:
an annular sealing gasket that is integrated therewith is disposed at an outer bottom surface of the first piston, the annular sealing gasket is positioned between the vial opening and the seal cap; and a free end of the fixed push rod is sleeved with an annular blade for cutting to separate the first piston and the annular sealing gasket.
The fit-connection between a free end of the fixed push rod and a blind hole at the center of an outer bottom surface of the first piston is a screw-thread connection.
The inner needle and the outer needle are integrated double-ended needle.
A pull tab is disposed at the center of the seal cap corresponding to an outer bottom surface of the first piston.
(1.2) An assembly of a reversely pressed medicinal xiding vial, a reversely pressed dispensing apparatus thereof and a reversely pressed injection apparatus, characterized in that it includes a reversely pressed medicinal xiding vial, a reversely pressed dispensing apparatus and a reversely pressed injection apparatus;
the reversely pressed medicinal xiding vial includes a vial body whose inner wall is a straight cylinder, a first piston is disposed on a position close to the vial opening of the vial body, a blind hole is disposed at the center of an outer bottom surface of the first piston, the vial opening is provided with an outer edge, and a seal cap is fixed on the out edge to prevent the first piston from falling off; a second piston is provided in the middle of the vial body a push plate is clad in the second piston, and a needle guide hole is disposed at the center of the push plate;
the reversely pressed dispensing apparatus includes a dispensing tube, a hollow needle positioned inside the dispensing tube is disposed at the bottom center of the dispensing tube; and the hollow needle is composed of a head part and a rod part; the diameter of the head part of the hollow needle is less than the diameter of the needle guide hole, and the diameter of the rod part is larger than the diameter of the needle guide hole; the head part of the hollow needle is provided with an inlet, and a side wall of the rod part is provided with an outlet; an inner wall of the dispensing tube clearance-fits an outer edge of the vial opening;
the reversely pressed injection apparatus includes an injection tube, a fixed push rod and an inner needle longitudinally penetrating the fixed push rod are disposed at the bottom center of the injection tube inside the injection tube, a needle head of the inner needle sticks out of the fixed push rod, an outer needle is disposed at an outlet port of the injection tube, and a tail part of the outer needle is connected with a tail part of the inner needle; an inner wall of the injection tube clearance-fits an outer edge of the vial opening; and a free end of the fixed push rod is fit-connected with a blind hole at the center of an outer bottom surface of the first piston.
The further improvement of the above technical solution lies in:
an annular sealing gasket that is integrated therewith is disposed at an outer bottom surface of the first piston, the annular sealing gasket is positioned between the vial opening and the seal cap; and a free end of the fixed push rod is sleeved with an annular blade for cutting to separate the first piston and the annular sealing gasket.
The fit-connection between a free end of the fixed push rod and a blind hole at the center of an outer bottom surface of the first piston is a threaded connection.
The inner needle and the outer needle are integrated double-ended needle.
A pull tab is disposed at the center of the seal cap corresponding to an outer bottom surface of the first piston.
The second piston partitions the inner space of the vial body into an upper chamber and a lower chamber.
(1.3) A reversely pressed medicinal xiding vial, characterized in that it includes a vial body whose inner wall is a straight cylinder, a first piston is disposed on a position close to the vial opening of the vial body, a blind hole is disposed at the center of an outer bottom surface of the first piston, the vial opening is provided with an outer edge, and a seal cap is fixed on the out edge to prevent the first piston from falling off.
The further improvement of the above technical solution lies in:
an annular sealing gasket that is integrated therewith is disposed at an outer bottom surface of the first piston, the annular sealing gasket is positioned between the vial opening and the seal cap.
The center of the inner bottom surface of the first piston is disposed to be recessed.
The seal cap is an aluminum cap or a plastic cap.
A pull tab is disposed at the center of the seal cap corresponding to an outer bottom surface of the first piston.
(1.4) A reversely pressed medicinal xiding vial, characterized in that it includes a vial body whose inner wall is a straight cylinder, a first piston is disposed on a position close to the vial opening of the vial body, a blind hole is disposed at the center of an outer bottom surface of the first piston, the vial opening is provided with an outer edge, and a seal cap is fixed on the out edge to prevent the first piston from falling off; a second piston is provided in the middle t of the vial body a push plate is embedded in the second piston, and a needle guide hole is provided at the center of the push plate.
The further improvement of the above technical solution lies in:
an annular sealing gasket that is integrated therewith is disposed at an outer bottom surface of the first piston, the annular sealing gasket is positioned between the vial opening and the seal cap.
The center of the inner bottom surface of the first piston is disposed to be recessed.
The seal cap is an aluminum cap or a plastic cap.
A pull tab is disposed at an outer bottom surface of the first piston corresponding to the center of the seal cap.
The center of the second piston close to both sides of the push plate is disposed with trumpet ports having outward large ports, respectively.
The needle guide hole is formed by docking two trumpet ports having outward large ports.
The second piston partitions the inner space of the vial body into an upper chamber and a lower chamber.
(1.5) A reversely pressed dispensing apparatus includes a dispensing tube, a hollow needle positioned inside the dispensing tube is disposed at the bottom center of the dispensing tube; the hollow needle is composed of a head part and a rod part; the diameter of the head part of the hollow needle is less than the diameter of the rod part; and the head part of the hollow needle is provided with an inlet, and a side wall of the rod part is provided with an outlet.
The characteristics and the further improvement of the above technical solution lie in:
A guide sleeve is disposed inside the dispensing tube by clearance fit, and the rod part of the hollow needle slides to penetrate the guide sleeve.
The inlet of the head part of the hollow needle is disposed at a side wall of the head part thereof.
The dispensing tube is a tube-shaped frame.
(1.6) A reversely pressed injection apparatus, characterized in that it includes an injection tube, a fixed push rod and an inner needle longitudinally penetrating the fixed push rod are disposed at the bottom center of the injection tube inside the injection tube, a needle head of the inner needle sticks out of the fixed push rod, an outer needle is provided at an outlet port of the injection tube, and a tail part of the outer needle is connected with a tail part of the inner needle.
The characteristics and the further improvement of the above technical solution lie in:
The fixed push rod is slide-penetrated with a guide plate.
A free end of the fixed push rod is sleeved with an annular blade.
The outer needle is screw-connected with the outlet port of the injection tube.
The outlet port of the injection tube is provided with a protective cover for the outer needle; and the protective cover is a rubber cover or a plastic cover. The inlet of the inner needle is disposed at a side wall thereof.
The inner needle and the outer needle are integrated double-ended needle.
The injection tube is a tube-shaped frame.
The first group of technical solutions of the present disclosure possesses prominent substantive features and represents notable progress. The reversely pressed medicinal xiding vial includes a vial body whose inner wall is a straight cylinder, a first piston is disposed on a position close to the vial opening of the vial body, a blind hole is disposed at the center of an outer bottom surface of the first piston, the vial opening is provided with an outer edge, and a seal cap is fixed on the out edge to prevent the first piston from falling off; and an annular sealing gasket that is integrated therewith is disposed at an outer bottom surface of the first piston, the annular sealing gasket is positioned between the vial opening and the seal cap. The first piston first encapsulates a medicine, the annular sealing gasket secondarily encapsulates a medicine and the cap thirdly encapsulates a medicine; and the three encapsulations may adopt traditional processes, whose preparations are easy, and which may easily realize terminal sterilization.
The reversely pressed injection apparatus thereof includes an injection tube, a fixed push rod and an inner needle longitudinally penetrating the fixed push rod are disposed at the bottom center of the injection tube inside the injection tube, a needle head of the inner needle sticks out of the fixed push rod, an outer needle is disposed at an outlet port of the injection tube, and a tail part of the outer needle is communicated with a tail part of the inner needle. A free end of the fixed push rod is sleeved with an annular blade for cutting to separate the first piston and the annular sealing gasket during the injection. The medicine has a small probability of contacting the externalities. When the inner needle and the outer needle are integrated double-ended needle, the medicine is thoroughly insulated from the externalities during the injection, which better solves the problem of secondary pollution during injecting a medicine.
The above structural characteristics of the first group of technical solutions of the present disclosure contribute to revolutionary improvements on medicinal liquid: (1) The medicinal liquid filled by a pharmaceutical factory may be directly injected into a body. (2) The water aqua filled by a pharmaceutical factory may be used to surgically wash a wound. (3) When powder filled in a cillin vial and water aqua filled in a reversely pressed medicinal xiding vial with a single chamber are dispensed, the water powder medicinal solution may be inversely sucked into the vial body by means of the reversely pressed injection apparatus using a reversely pressed principle and then injected into a human body; and the dispensing process is free from pollution. (4) When powder filled in a reversely pressed medicinal xiding vial with a single chamber and water aqua filled in a reversely pressed xiding vial of a single chamber are dispensed, likewise, the dispensing process is free from pollution. (5) For a reversely pressed medicinal xiding vial powder with double chambers, the dispensing process thereof is instant performed, and preparation and injection thereof are even more free from pollution. (6) The reversely pressed medicinal xiding vial may be directly applied to an automatic injection pen. (7) The reversely pressed medicinal xiding vial may be directly applied to an automatic pump for large volume infusion. These revolutionary improvements do not need to use a general needle tube or require the dispensing in a bacteria-free environment, and allow a medicine to be directly injected into a human body to reduce secondary pollution; the improvements make the dispensing easy and solve the problem of secondary pollution during the injection, which realize seamless connection among medicine manufacture, sale, dispensing and injection of human body and proposes a brand new concept that is fully enclosed, instant dispensing, pollution free and large bacteria-free.
2. Another one of the purposes of the present disclosure lies in providing an assembly of a general medicinal xiding vial and a general injection apparatus, which can ensure the sealing reliability and terminal sterilization of a general medicinal xiding vial, conveniently dispense and solve the problem of secondary pollution during the injection.
In order to achieve the above purpose, the following second group of technical solutions is adopted by the present disclosure.
(2.1) An assembly of a general medicinal xiding vial and a general injection apparatus, characterized in that it includes a general medicinal xiding vial and a general injection apparatus;
the general medicinal xiding vial includes a vial body whose inner wall is a straight cylinder, a first piston is disposed close to the vial opening of the vial body and a push plate is clad in the first piston, and a needle guide hole is provided at the center of the push plate; The vial opening is provided with a rubber plug and a cap for sealing;
the general injection apparatus includes an injection tube, an inner needle is disposed at the bottom of the injection tube inside the injection tube, and a sleeve needle is disposed outside the inner needle; the diameter of the sleeve needle is larger than the diameter of the needle guide hole; a needle head of the inner needle sticks out of the sleeve needle, a tail part of the inner needle is connected with an outlet of the injection tube, and an outer needle is disposed at the outlet of the injection tube; and an inner wall of the injection tube clearance-fits an outer edge of the vial opening.
The characteristics and the further improvement of the above technical solution lie in:
In the general medicinal xiding vial, the inner wall of the vial body is a straight cylinder which fits the first piston. In the general medicinal xiding vial, the first piston is made of a medicinal rubber material.
In the general medicinal xiding vial, the centers of two sides of the first piston close to the push plate are disposed with trumpet ports having outward large ports, respectively.
In the general medicinal xiding vial, the needle guide hole is formed by docking two trumpet ports having outward large ports.
In the general medicinal xiding vial, the seal cap is an aluminum cap or a plastic cap.
In the general injection apparatus, the inner needle and the sleeve needle are clearance-fitted, and both sides of the sleeve needle are provided with ventilation gaps, respectively, or ventilation holes are disposed close to both sides thereof, respectively.
In the general injection apparatus, the inner needle and the outer needle are integrated double-ended needle.
In the general injection apparatus, a guide sleeve is disposed inside the injection tube by clearance fit, the sleeve needle slides to penetrate the guide sleeve, and the guide sleeve hoops an outer edge of the vial opening.
In the general injection apparatus, the injection tube is a tube-shaped frame.
(2.2) A general medicinal xiding vial, characterized in that it includes a straight vial body, a first piston is disposed close to the vial opening of the vial body and a push plate is embedded in the first piston, and a needle guide hole is disposed at the center of the push plate; and the vial opening is provided with a rubber plug and a seal cap for sealing.
The characteristics and the further improvement of the above technical solution lie in:
The inner wall of the vial body is a straight cylinder which fits the first piston.
The first piston is made of a medicinal rubber material.
The centers of two sides of the first piston close to the push plate are formed as trumpet ports having outward large ports, respectively.
The needle guide hole is formed by docking two trumpet ports having outward large ports.
The cap is an aluminum cap or a plastic cap.
(2.3) A general injection apparatus, characterized in that it includes an injection tube, an inner needle is disposed at the bottom of the injection tube inside the injection tube, and a sleeve needle is disposed outside the inner needle; a needle head of the inner needle sticks out of the sleeve needle, a tail part of the inner needle is connected with an outlet of the injection tube, and an outer needle is disposed at the outlet of the injection tube; and an inner wall of the injection tube clearance-fits an outer edge of the vial opening.
The characteristics and the further improvement of the above technical solution lie in:
The inner needle and the sleeve needle are clearance-fitted, and both sides of the sleeve needle are provided with ventilation gaps, respectively, or ventilation holes are provided close to both sides thereof, respectively.
The inner needle and the outer needle are integrated double-ended needle.
A guide sleeve is disposed inside the injection tube by clearance fit, the sleeve needle penetrate the guide sleeve which is slidable along the sleeve needle, and the guide sleeve hoops an outer edge of the vial opening.
The injection tube is a tube-shaped frame.
An assembly of a general medicinal xiding vial and a general injection apparatus of the present disclosure includes a general medicinal xiding vial and a general injection apparatus. Wherein the general medicinal xiding vial includes a vial body whose inner wall is a straight cylinder, a first piston is disposed close to the vial opening of the vial body and clad with a push plate therein, and a needle guide hole is disposed at the center of the push plate; the vial opening is provided with a rubber plug and a seal cap for sealing; the first piston first encapsulates a medicine and the rubber plug and the cap secondarily encapsulate a medicine, hence, the sealing thereof is reliable, and the two encapsulations may adopt traditional technologies, it is terminal sterilized and easily prepared; also, the injection function is realized by pushing the first piston during the use.
The general injection apparatus thereof includes an injection tube, an inner needle is disposed at the bottom of the injection tube inside the injection tube, and a sleeve needle is disposed outside the inner needle; the diameter of the sleeve needle is larger than the diameter of the needle guide hole; a needle head of the inner needle sticks out of the sleeve needle, a tail part of the inner needle is connected with an outlet of the injection tube, and an outer needle is disposed at the outlet of the injection tube; and an inner wall of the injection tube clearance-fits an outer edge of the vial opening. The seal cap of the general medicinal xiding vial is first opened during the use, the outer edge of the vial opening slides along the inner wall of the injection tube, the inner needle and the sleeve needle impale the rubber plug, respectively, the inner needle further impales the first piston and contacts the medicine via the needle guide hole with the pushing of the vial body, while the sleeve needle pushes the first piston, the medicine is discharged through the inner needle and the outer needle, thereby realizing the injection of the medicine. As such, the medicine has a smaller probability of contacting the externalities during the injection. When the inner needle and the outer needle are integrated double-ended needle, the medicine is thoroughly insulated from the externalities during the injection, which better solves the problem of secondary pollution during injecting a medicine.
The second group of technical solutions of the present disclosure has the following notable structural characteristics as compared with a traditional general medicinal xiding vial and a traditional general injection apparatus: (1) The inner wall of the vial body is a straight cylinder which is matching with the first piston, which is single-directional opened, so as to be different from the double-directional opening of the card vial. (2) The first piston is clad with a push plate therein, which may be impaled by the inner needle for water passing and different from a general piston. (3) There is a needle guide hole at the middle of the push plate, the diameter of the inner needle is smaller than the diameter of the needle guide hole for the inner needle to easily impale the first piston; and the diameter of the needle guide hole is smaller than the diameter of the sleeve needle to prevent the sleeve needle from passing through, such that the push plate functions to push the first piston forward. (4) The inner needle is longer than the sleeve needle, and the longer part is larger than the thickness of the first piston to ensure the inner needle to contact the medicinal liquid. (5) The injection tube may be designed with a handle for easy operation and use. The bottom of the injection tube is provided with an air hole for pushing the vial body into the injection tube. (6) A positioning sleeve is a slideable positioning sleeve. The above structural characteristics of the present disclosure contribute to revolutionary improvements on the filling and injection of the medicinal vial: (1) The filled medicinal liquid may be directly injected into a body. (2) The filled water may be used to surgically wash a wound. (3) When a cillin vial powder is dispensed, the water powder medicinal solution may be inversely sucked into the vial body using a reversely pressed principle and then injected into a human body. These revolutionary improvements do not need to use a general needle tube or require the dispensing in a bacteria-free environment, and allow a medicine to be directly injected into a human body to reduce secondary pollution.
Below the embodiments are described in detail in conjunction with the accompanying drawings to further explain the present disclosure.
Wherein 1. vial body; 2. first piston; 3. blind hole; 4. annular sealing gasket; 5. seal cap; 6. pull tab; 7. second piston; 8. push plate; 9. dispensing tube; 10. hollow needle; 1001. inlet; 1002. outlet; 11. guide sleeve; 12. injection tube; 13. fixed push rod; 14. inner needle; 15. outer needle; 16. guide plate; 17. annular blade; 18. protective cover; 19. rubber plug; 20. medicine; 21. sleeve needle.
Below the detailed embodiments are described in detail in conjunction with
Referring to
In the present embodiment, an annular sealing gasket 4 that is integrated therewith is disposed at an outer bottom surface of the first piston 2 in order to ensure the sealing, and the annular sealing gasket 4 is positioned between the outer edge of the vial opening and the seal cap 5. Meanwhile, the center of the inner bottom surface of the first piston 2 is disposed to be recessed, as shown in
Referring to
Referring to
The principle for dispensing by using the reversely pressed dispensing apparatus and the reversely pressed medicinal xiding vial with double chambers of the present disclosure will be explained with reference to
Referring to
For engagement while using the reversely pressed medicinal xiding vial with a single chamber as shown in
In addition, in the present embodiment, a guide plate 16 is provided on the fixed push rod 13, thorough which the fixed push rod 13 penetrates and along which the fixed push rod 13 is slidable, for guiding the reversely pressed medicinal xiding during the injection. An outer needle 15 is provided at the outlet port the outlet port of the injection tube 12 through a firmly reliable threaded connection. Alternatively, a technical solution of double-ended needles in which the inner needle 14 is integrated with the outer needle 15 may also be adopted. The outer needle 15 is protected by a protective sleeve 18 which may be a rubber sleeve or a plastic sleeve. The injection tube 12 may also be a tube-shaped frame to simplify the structure of the reversely pressed injection apparatus. The inlet of the inner needle 14 may be disposed at a side wall thereof to prevent from cutting off debris from the first piston while the inner needle 14 punctures through the first piston.
Referring to
Referring to
During the initial dispensing process, the outer needle first impales into the cillin vial, and then the seal cap of the reversely pressed medicinal xiding vial with a single chamber in which water aqua (sterile water for injection) is filled is removed or the pull tab at the center of the seal cap is pulled out, the vial opening aligns with the center of the injection tube of the reversely pressed injection apparatus, the vial opening attaches to the guide plate to be rotationally pushed, the inner needle first impales into the first piston, the free end of the fixed push rod of the reversely pressed injection apparatus is screwed into the blind hole disposed at the center of the outer bottom surface of the first piston, and meanwhile the annular blade sleeved at the free end of the fixed push rod gradually cuts to separate the first piston with the annular sealing gasket. When the first piston is separated with the annular sealing gasket, the inner needle impales into the first piston, and the free end of the fixed push rod is screwed into the bottom of the blind hole.
The reversely pressed medicinal xiding vial with a single chamber is continuously rotationally or directly pushed, and the water aqua in the reversely pressed medicinal xiding vial with a single chamber is pressed into the cillin vial through the inner needle and the outer needle under the action of reverse pressure, and the water aqua is mixed with the powder, thereby realizing the dispensing mixing process.
After the dispensing mixing is completed, the cillin vial is filled with the pressurized liquid powder solution. At this moment, the reversely pressed medicinal xiding vial with a single chamber is loosen or drawn back, the pressurized liquid powder solution in the cillin vial is reversely sucked back to the reversely pressed medicinal xiding vial with a single chamber, and the dispensing reversely sucking process is completed.
Then, after the dispensing reversely sucking process is completed, the outer needle may be directly pulled out from the cillin vial and inserted into muscle or vein of human body to perform injection for human body using the reversely pressed injection apparatus and the reversely pressed medicinal xiding vial with a single chamber.
Referring to
In comparison with above dispensing process between the reversely pressed medicinal xiding vial with a single chamber and the cillin vial by using the reversely pressed injection apparatus, the difference lies in that the cillin vial is replaced by the reversely pressed medicinal xiding vial with a single chamber in which powder is filled, and other steps are same substantively.
Referring to
Table 1 shows effect comparisons among the reversely pressed medicinal xiding vial of the first group of technical solutions of the present disclosure and the traditional medicinal vials. The medicinal xiding vial successfully solves the problem of secondary pollution during medicine dispensing and injection, which is applicable to a city hospital, and is also widely applicable to a place with poor sanitary conditions such as a mountain area or a countryside, and is further applicable to an open country, a ship, a battlefield, and a disaster area.
Below the detailed embodiments are described in detail with reference to
Referring to
It is to be explained that the outer cap disposed at the vial opening of the general medicinal xiding vial of the present disclosure is not limited to an aluminum cap and may also be a plastic cap.
Referring to
A tail part of the inner needle 14 is connected with an outlet of the injection tube 12, and an outer needle junction is disposed at the outlet of the injection tube 12 where an outer needle may be installed (not shown in figures). Another preferred solution is that the inner needle and the outer needle are formed as an integrated double-ended needle. When the inner needle 14 and the outer needle are integrated double-ended needle, the medicine is thoroughly insulated from the externalities during the injection, which better solves the problem of secondary pollution during injecting a medicine.
In the present embodiment, a guide sleeve 11 is disposed inside the injection tube 12 through a clearance fit. The sleeve needle 21 penetrates and slide along the guide sleeve 11. The guide sleeve 11 hoops an outer edge of the vial opening. The injection tube 12 clearance-fits the guide sleeve 11, such that the vial body may be easily pushed into the injection tube 12. In an alternative solution, they may also be slide fit, and it is necessary to provide a vent hole at the bottom of the injection tube 12. Obviously, the problem for air venting does not exist when the injection tube 12 is a tube-shaped frame.
That the inner needle 14 and the sleeve needle 21 may be clearance-fitted therebetween, and both sides of the sleeve needle are disposed with vent gaps, respectively, or ventilation holes are disposed close to both sides thereof, respectively, which help to air exhaust and push the first piston during the use.
During the use, the seal cap is first opened, the outer edge of the vial opening is hooped within the guide sleeve 11, the vial body 1 slides along the inner wall of the injection tube 12, the inner needle 14 and the sleeve needle 21 impale the rubber plug 19, respectively. The inner needle further impales the first piston 2 and contacts the medicine 20 via the needle guide hole with continuously pushing the vial body 1, while the sleeve needle 21 relies against the push plate 8 and pushes the first piston 2. The medicine 20 is discharged through the inner needle 14 and the outer needle, thereby realizing the injection of the medicine. As such, the medicine has a smaller probability of contacting the externalities during the injection. When the inner needle 14 and the outer needle are integrated double-ended needle, the medicine is thoroughly insulated from the externalities during the injection, which better solves the problem of secondary pollution during injecting a medicine.
In addition, the general medicinal xiding vial of the present embodiment is not limited to filling liquid medicine and may also be used for filing powder. When a solvent is filling and after powder is dissolved, the above injection method of the above liquid medicine may be referred to. It is especially to be explained that when the general medicinal xiding vial of the present embodiment is filled with a solvent and the cillin vial is filled with powder, it can also be realized that the solvent and the powder do not contact the externalities, which prevents the problem of secondary pollution during the dispensing. The particular operations are as follows: inserting the outer needle into the cillin vial and inserting the inner needle into the xiding vial by using the general injection apparatus of the present embodiment, pushing the vial body of the xiding vial, the solvent is injected into the cillin vial to mix and dissolve the powder, loosing the vial body of the xiding vial, the liquid powder medicinal solution is automatically reversely sucked into the vial body of the xiding vial under the function of reverse pressure, and when the pressures of the general medicinal xiding vial and the cillin vial of the present embodiment achieves a balance, pulling the inner outer needle out, the outer needle does not suck ambient air and then may be directly injected into a human body. Therefore, the dispensing and injection thereof using the general medicinal xiding vial and the general injection apparatus of the present embodiment do not need a bacteria-free environment to be performed; in other words, using the general medicinal xiding vial and the general injection apparatus of the present embodiment can allow grass-root or countryside hospitals not to set up standard dispensing rooms.
Even if the embodiments of the present disclosure are described in conjunction with the accompanying drawings as above, but the present disclosure is not limited to the above detailed embodiments which are only illustrative and instructive instead of limiting. Many various forms may be further made by those ordinary skilled in the art may further under the inspiration of the present description without departing from the scope claimed by the claims the disclosure, which are all protected by the present disclosure.
| Number | Date | Country | Kind |
|---|---|---|---|
| 201310039075.6 | Jan 2013 | CN | national |
| 201310471655.2 | Oct 2013 | CN | national |
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/CN2014/071442 | 1/25/2014 | WO | 00 |
