The present disclosure relates generally to a surgical handle assembly, and more particularly, to an articulation assembly of a surgical handle assembly.
A surgical handle assembly can be used in a number of surgical devices. One example includes use as a surgical stapler. A surgical stapler is a fastening device used to clamp tissue between opposing jaw structures to join tissue using surgical fasteners. Surgical staplers can include two elongated members used to clamp the tissue. One of the elongated members can include one or more reloadable cartridges and the other elongated member can include an anvil that can be used to form a staple when driven from the reloadable cartridge. A surgical stapler can receive one or more reloadable cartridges. An example of reloadable cartridges can include having rows of staples having a linear length. For example, a row of staples can have a linear length between 30 mm and 60 mm. A staple can be ejected by actuation of a movable handle member that is a part of the surgical handle assembly of the surgical stapler.
The present disclosure includes apparatuses for a surgical handle assembly. An example apparatus includes a reloadable cartridge assembly and a surgical handle assembly including an articulation assembly configured to maintain the reloadable cartridge assembly in a first operation position. In some examples, the articulation assembly can include a knob in a first knob position coupled to a housing and a spring coupled to the housing configured to bias a sphere radially outward to a first slot of a radial position component.
In a number of embodiments, the articulation assembly is configured to maintain the reloadable cartridge assembly in one of a plurality of operation positions. For example, the articulation assembly can be configured to maintain the reloadable cartridge assembly in the first operation position.
In a number of embodiments, the reloadable cartridge assembly can be configured to rotate about an axis of a particular plane from the first operation position to a second operation position. The articulation assembly can be configured to actuate the reloadable cartridge assembly from the first operation position to the second operation position. In some examples, the first operation position of the reloadable cartridge assembly can be approximately 90 degrees from another operation position.
The articulation assembly can include a knob, a cam, a housing, one or more springs, one or more spheres, a tab, an articulation arm, a radial position component, and a bottom. The knob can be coupled to the housing via the cam. The housing and the cam can actuate rotationally in response to the knob being rotationally actuated by a user.
The housing can include one or more openings. The one or more springs and the one or more spheres can be in the one or more openings of the housing. The one or more springs can bias the one or more spheres radially outward from the housing to contact one or more slots in the radial position component. The one or more spheres contacting the one or more slots in the radial position component can maintain the articulation assembly in that knob position until the knob is actuated rotationally by the user. Each slot in the radial position component can correspond to a knob position.
In a number of embodiments, the cam can be coupled to a tab and the tab can be coupled to an articulation arm. The tab and the articulation arm can move in a linear direction in response to the cam and the knob being actuated rotationally.
The articulation arm can be coupled to the reloadable cartridge assembly. The reloadable cartridge assembly can rotate from a first operation position to a second operation position in response to the articulation arm moving in a linear direction, as a result of the user rotating the knob.
In the following detailed description of the present disclosure, reference is made to the accompanying drawings that form a part hereof, and in which is shown by way of illustration how one or more embodiments of the disclosure may be practiced. These embodiments are described in sufficient detail to enable those of ordinary skill in the art to practice the embodiments of this disclosure, and it is to be understood that other embodiments may be utilized and that process, electrical, and structural changes may be made without departing from the scope of the present disclosure.
As used herein, designators such as “X”, “Y”, “N”, “M”, etc., particularly with respect to reference numerals in the drawings, indicate that a number of the particular feature so designated can be included. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms “a”, “an”, and “the” can include both singular and plural referents, unless the context clearly dictates otherwise. In addition, “a number of”, “at least one”, and “one or more” (e.g., a number of pivot points) can refer to one or more pivot points, whereas a “plurality of” is intended to refer to more than one of such things. Furthermore, the words “can” and “may” are used throughout this application in a permissive sense (i.e., having the potential to, being able to), not in a mandatory sense (i.e., must). The term “include,” and derivations thereof, means “including, but not limited to”. The terms “coupled” and “coupling” mean to be directly or indirectly connected physically or for access to and movement of the movable handle member, as appropriate to the context.
The figures herein follow a numbering convention in which the first digit or digits correspond to the figure number and the remaining digits identify an element or component in the figure. Similar elements or components between different figures may be identified by the use of similar digits. For example, 222 may reference element “22” in
As shown in the example of
The reloadable cartridge assembly 103 can be actuated using a knob 122 to reach a stapling site and position the reloadable cartridge assembly 103 at a particular angle for stapling. The knob 122 can be configured to actuate rotationally and the reloadable cartridge assembly 103 can rotate about an axis of a particular plane in response to the knob 122 being actuated rotationally by a user. In some examples, the position of the reloadable cartridge assembly 103 can be maintained in response to the knob 122 maintaining its position.
The knob 222 can be coupled to the cam 224 via a pin, for example. The cam 224 can actuate rotationally in response to the knob 222 being rotationally actuated by a user. The cam 224 can be coupled to the housing 232 via the cover 226 fastened to the housing 232. The housing 232 can actuate rotationally in response to the cam 224 and the knob 222 being actuated rotationally by the user.
The housing 232 can include one or more openings. One or more springs 230-1, 230-2 and one or more spheres 228-1, 228-2 can be in the one or more openings of the housing 232. The one or more springs 230-1, 230-2 can be configured to bias the one or more spheres 228-1, 228-2 radially outward. The one or more spheres 228-1, 228-2 can be biased outward to and received by one or more slots of the radial position component 238. Each of the one or more slots of the radial position component 238 can be a knob position. The housing 232 can be coupled to the radial position component 238 via the cover 226 and/or cam 224.
In some examples, the one or more spheres 228-1, 228-2 can move radially inward between positions of the radial position component 238 as the knob 222 is being actuated rotationally. The one or more spheres 228-1, 228-2 biased outward to a slot and/or knob position can maintain the articulation assembly in that position until the knob 222 is actuated rotationally by a user.
In a number of embodiments, the cam 224 is coupled to a tab 234. The cam 224 can include a pin member to move linearly in a slot in the tab 234. The tab 234 can be configured to move in a linear direction in response to the cam 224 actuating rotationally. In some examples, the tab 234 can be coupled to an articulation arm 236.
The articulation arm 236 can move in a linear direction in response to the tab 234 moving in the linear direction. In some examples, the articulation arm 236 and the tab 234 can move in a linear distal direction in response to the housing 232, cam 224, and knob 222 rotating counterclockwise. The articulation arm 236 and the tab 234 can move in a linear proximal direction in response to the housing 232, cam 224, and knob 222 rotating clockwise.
The articulation arm 236 can be coupled to the reloadable cartridge assembly (e.g., reloadable cartridge assembly 103 in
As discussed above, the cam 324 can include a pin member. The pin member can be a part of the cam 324 or coupled to the cam 324. The location of the pin member on the cam 324 can determine whether the reloadable cartridge assembly (e.g., reloadable cartridge assembly 103 in
For example, with the location of the pin member of the cam 324 shown in
In some examples, the pin member of the cam 324 can be located in a location on the cam 324, such that the reloadable cartridge assembly (e.g., reloadable cartridge assembly 103 in
With the location of the pin member of the cam 324 shown in
In some examples, the pin member of the cam 324 can be located in a location on the cam 324, such that the reloadable cartridge assembly (e.g., reloadable cartridge assembly 103 in
With the location of the pin member of the cam 324 shown in
In some examples, the pin member of the cam 324 can be located in a location on the cam 324, such that the reloadable cartridge assembly (e.g., reloadable cartridge assembly 103 in
In a number of embodiments, the articulation assembly 420 can be configured to maintain the reloadable cartridge assembly 403 in an operation position corresponding to a knob position. In this example, the knob 422 is maintained in a 0 degree knob position. As such, the reloadable cartridge assembly 403 is in the corresponding 0 degree operation position and is maintained in the 0 degree operation position as long as the knob 422 is maintained in the 0 degree knob position.
The articulation assembly 420 can be configured to actuate the reloadable cartridge assembly 403 from a first operation position, for example a 0 degree operation position, corresponding to a first knob position, for example a 0 degree knob position, to a different operation position corresponding to a different knob position.
The reloadable cartridge assembly 403 can be actuated to a number of operation positions totaling approximately 90 degrees. For example, the reloadable cartridge assembly 403 can be actuated to a number of operation positions between approximately 45 degrees and −45 degrees in response to the knob 422 being actuated to a number of knob positions between approximately 90 degrees and −90 degrees. The number of operation positions can depend on the number of corresponding knob positions and/or slots in the radial position component (e.g., radial position component 238 in
In a number of embodiments, the articulation assembly 420 can be configured to maintain the reloadable cartridge assembly 403 in an operation position corresponding to a knob position. In this example, the knob 422 is maintained in a 90 degree knob position. As such, the reloadable cartridge assembly 403 is in the corresponding 45 degree operation position and is maintained in the 45 degree operation position as long as the knob 422 is maintained in the 90 degree knob position.
In some examples, the reloadable cartridge assembly 403 can be actuated to a number of operation positions from the 45 degree operation position in response to the knob 422 being actuated by a user.
The articulation assembly 420 can be configured to actuate the reloadable cartridge assembly 403 from the 45 degree operation position corresponding to a 90 degree knob position, to a different operation position corresponding to a different knob position.
In a number of embodiments, the articulation assembly 420 can be configured to maintain the reloadable cartridge assembly 403 in an operation position corresponding to a knob position. In this example, the knob 422 is maintained in a −90 degree knob position. As such, the reloadable cartridge assembly 403 is in the corresponding −45 degree operation position and is maintained in the −45 degree operation position as long as the knob 422 is maintained in the −90 degree knob position.
In some examples, the reloadable cartridge assembly 403 can be actuated to a number of operation positions from the −45 degree operation position in response to the knob 422 being actuated by a user.
The articulation assembly 420 can be configured to actuate the reloadable cartridge assembly 403 from the −45 degree operation position corresponding to the −90 degree knob position to a different operation position corresponding to a different knob position.
In a number of embodiments, the cam 524 can actuate rotationally in response to the knob (e.g., knob 422 in
The housing 532 can include one or more openings. One or more springs 530-1, 530-2 and one or more spheres 528-1, 528-2 can be in the one or more openings of the housing 532. The one or more springs 530-1, 530-2 can be configured to bias the one or more spheres 528-1, 528-2 radially outward. The one or more spheres 528-1, 528-2 can be biased outward to and received by one or more slots 540-1, 540-2, . . . , 540-10 of the radial position component 538. Each of the one or more slots 540-1, 540-2, . . . , 540-11 of the radial position component 538 can be a knob position.
In some examples, the one or more spheres 528-1, 528-2 can move radially inward between slots 540-1, 540-2, . . . , 540-11 of the radial position component 538 as the knob (e.g., knob 422 in
In a number of embodiments, a force needed to actuate the knob (e.g., knob 422 in
In a number of embodiments, the articulation assembly (e.g., articulation assembly 420 in
A user can rotate the knob (e.g., knob 422 in
In some examples, the number of slots between the first slot 540-1 and the sixth slot 540-6 can correspond to knob positions between 0 and 180 degrees or less and an operation position of the reloadable cartridge assembly between 0 and 90 degrees or less, for example.
In a number of embodiments, the articulation assembly (e.g., articulation assembly 420 in
A user can rotate the knob (e.g., knob 422 in
In some examples, the number of slots between the first slot 540-1 and the eleventh slot 540-11 can correspond to a knob position between 0 and −180 degrees or less and an operation position of the reloadable cartridge assembly between 0 and 90 degrees or less, for example.
Although specific embodiments have been illustrated and described herein, those of ordinary skill in the art will appreciate that an arrangement calculated to achieve the same results can be substituted for the specific embodiments shown. This disclosure is intended to cover adaptations or variations of one or more embodiments of the present disclosure. It is to be understood that the above description has been made in an illustrative fashion, and not a restrictive one. Combination of the above embodiments, and other embodiments not specifically described herein will be apparent to those of skill in the art upon reviewing the above description. The scope of the one or more embodiments of the present disclosure includes other applications in which the above structures and processes are used. Therefore, the scope of one or more embodiments of the present disclosure should be determined with reference to the appended claims, along with the full range of equivalents to which such claims are entitled.
In the foregoing Detailed Description, some features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the disclosed embodiments of the present disclosure have to use more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive subject matter lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby incorporated into the Detailed Description, with each claim standing on its own as a separate embodiment.
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