The present application claims priority to U.S. Provisional Patent Application No. 63/193,957 filed May 27, 2021, entitled “HUMAN STEPPING POWERED MECHANICAL CARDIO-PULMONARY RESUSCITATION COMPRESSION AID” which is hereby incorporated by reference in its entirety.
The embodiments generally relate to devices used to compress chest of an individual during cardiopulmonary resuscitation.
Cardiopulmonary resuscitation (CPR) is traditionally accomplished by use of a user's hands and the leveraging of their body weight to apply emergency chest compression to manually restore spontaneous circulation in an individual who may be in cardiac arrest. In some instances, CPR is performed over a period of time which may cause fatigue to those administering aid. It is recommended that those administering CPR exchange providing compressions every 1-2 minutes. However, this is not feasible when only a single rescuer is available. Devices that may assist in performing CPR rely on similar principles to that of traditional CPR and that the devices assist a user in using their hands to perform CPR or provide for electric Motors to perform compressions on an individual who may be in cardiac arrest.
This summary is provided to introduce a variety of concepts in a simplified form that is further disclosed in the detailed description of the embodiments. This summary is not intended to identify key or essential inventive concepts of the claimed subject matter, nor is it intended for determining the scope of the claimed subject matter.
A compression device may include a human powered mechanical cardiopulmonary resuscitation compression aid. In use, an operator will apply stepping pressure to a stepper which will transfer the kinetic energy via a gear assembly to a stepper hydraulic motor. The stepper hydraulic motor creates pressure in a closed hydraulic system connected to the compressor hydraulic motor, which will convert the hydraulic pressure to vertical motion of a piston via a geneva mechanism and plenary gear which will drive the compressor lever effort end up. This will then drive work end down, driving the compressor head into the patient's chest to accomplish a CPR compression. The compression device uses user stepping motion to harness the power of the larger leg muscles to provide the force for compressions, rather than using an arm-driven device. The system does not require significant repositioning of the patient and does not require extensive training to use.
The compression device may be readily and efficiently maneuvered to a location having an individual in need of CPR. During use, the individual in need of CPR may be lying in a chest of prone position or may be moved into such a position such that the compression device may be moved into a suitable position over the individual. The suitable position may include the compressor plunger being positioned over the chest of the individual in need of CPR. The compressor plunger height may be adjusted by positioning the piston appropriately within the variable compression force recess.
According to one aspect of the compression device, the compression device may be constructed and arranged to relocate the exertion of a user from primarily the upper body to the lower body of the user. That is, the compression device may be constructed and arranged to utilize the strength of a user's lower body, including the legs, rather than use of the upper body and the leveraging of body weight to apply chest compressions.
According to one aspect of the compression device, the compression device may be constructed and arranged to allow a user to apply chest compressions to a recipient for prolonged periods of time with modest exertion of physical force.
According to one aspect of the compression device, the compression device may be constructed and arranged as a two-part assembly without the inclusion of an electric motor.
According to one aspect of the compression device, the compression device may be constructed and arranged such that use of the compression device does not require repositioning of an individual receiving chest compressions via the compression device and reduces the application of incomplete chest compressions.
Other illustrative variations within the scope of the invention will become apparent from the detailed description provided hereinafter. The detailed description and enumerated variations, while disclosing optional variations, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
A complete understanding of the present embodiments and the advantages and features thereof will be more readily understood by reference to the following detailed description when considered in conjunction with the accompanying drawings wherein:
The specific details of the single embodiment or variety of embodiments described herein are to the described system and methods of use. Any specific details of the embodiments are used for demonstration purposes only and no unnecessary limitations or inferences are to be understood from there.
It is noted that the embodiments reside primarily in combinations of components and procedures related to the system. Accordingly, the system components have been represented where appropriate by conventional symbols in the drawings, showing only those specific details that are pertinent to understanding the embodiments of the present disclosure so as not to obscure the disclosure with details that will be readily apparent to those of ordinary skill in the art having the benefit of the description herein.
An individual in need of CPR may be lying in a chest up prone position. A compression device including a housing assembly may be positioned above the individual in need of CPR, and a stepper assembly adjacent thereto. A user may adjust the position of the compressor plunger above the chest of the patient via a width slider assembly and at least one height adjustment foot. Compression plunger height may be adjusted by positioning a piston appropriately within a variable compression force recess of a compression drive lever. A user may step on the at least one stepper pedal in order to drive the compressor drive lever hydraulic motor, which in turn may drive a second motor attached to the piston which may apply force on the variable compression force recess of the compression drive lever which in turn may apply force on the compression plunger via a connection of the compression plunger and a connection end joint, thereby providing compressive force on the chest of a patient. Decompression device may include a variety of features constructed and arranged to improve efficiency of applying CPR to an individual. The compression device may feature variable compression depth based on a patient's chest width and chest height. The compression device may allow for variable lateral positioning across a patient's chest. The compression plunger may include a plunger stop constructed and arranged to prevent movement of the compression plunger too deep to avoid injury to a patient. The at least one height adjustment foot may include elastic members effective up to 62 pounds of pressure such that the compression device may move away from a patient if more than 62 pounds of force is being applied. The compression counter may provide a visual and audio cue to a user of the number of compressions performed on a patient, and a visual cue of how many times sets of 30 compressions have been administered.
The compression device uses user stepping motion to harness the power of the larger leg muscles to provide the force for compressions. This is advantageous when compared to using an arm-driven device or manual compressions which can be tiring for the individual attempting to provide compressions to the patient. The system does not require significant repositioning of the patient and does not require extensive training to use. In such, the system can be readily and efficiently applied when needed while allowing for continuous compressions to be applied over a period of time. The system may allow compression device users who would not normally have the strength and/or stamina to sufficiently apply compressions to provide aid to the patient.
According to one aspect of the compression device, the compression device may be constructed and arranged to relocate the exertion of a user from primarily the upper body to the lower body of the user. That is, the compression device may be constructed and arranged to utilize the strength of a user's lower body, including the legs, rather than use of the upper body and the leveraging of body weight to apply chest compressions.
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In practice and in use, a patient individual in need of CPR may be lying in a chest up prone position. The housing assembly may be positioned above the individual in need of CPR, and the stepper assembly adjacent thereto. A user may adjust the position of the compressor plunger above the chest of the patient via the width slider assembly and the at least one height adjustment foot. Compression plunger height may be adjusted by positioning the piston appropriately within the variable compression force recess. A user may step on the at least one stepper pedal in order to drive the compressor drive lever hydraulic motor, which in turn may drive the second motor attached to the piston which apply force on the variable compression force recess of the compression drive lever which in turn may apply force on the compression plunger via the connection of the compression plunger and the connection and joint, thereby providing compressive force on the chest of a patient.
The following description of variants is only illustrative of components, elements, acts, products, and methods considered to be within the scope of the invention and are not in any way intended to limit such scope by what is specifically disclosed or not expressly set forth. The components, elements, acts, products, and methods as described herein may be combined and rearranged other than as expressly described herein and are still considered to be within the scope of the invention.
According to variation 1, a compression device may include a compression plunger including a plunger head, a plunger neck, a tapered neck portion, and a safety stop collar. The compression device may include a stepper assembly including a first compressor drive lever hydraulic motor, a handlebar, at least one stepper pedal, a gear assembly in operable communication with the first compressor drive lever hydraulic motor and the at least one stepper pedal. The compression device may include a housing assembly including a second compressor drive lever hydraulic motor in operable communication with the first compressor drive lever hydraulic motor via at least one hydraulic hose; a first height adjustment foot in operable communication with the housing assembly and including a hydraulic drive motor height offset mechanism; a second height adjustment foot in operable communication with the housing assembly; a compressor recoil generator; a width slider assembly; a plunger stability collar; a housing constructed and arranged to house the compressor recoil generator, the width slider assembly, and the plunger stability collar, the housing defining at least one slot constructed and arranged to slidably engage with a fulcrum assembly. The compression device may include a fulcrum assembly including a fulcrum frame, a compression drive lever hingedly attached to the compression plunger, and a compression counter, wherein the compressor plunger is hingedly attached to an end joint of the compression drive lever opposite a distal end of the compression drive lever and the compression drive lever defines a variable compression force recess near the distal end that varies in depth such that compression force applied by the compression plunger head to a patient is variable and adjustable by sliding the fulcrum assembly within the at least one slot.
Many different embodiments have been disclosed herein, in connection with the above description and the drawing. It will be understood that it would be unduly repetitious and obfuscating to describe and illustrate every combination and subcombination of these embodiments. Accordingly, all embodiments can be combined in any way and/or combination, and the present specification, including the drawings, shall be construed to constitute a complete written description of all combinations and subcombinations of the embodiments described herein, and of the manner and process of making and using them, and shall support claims to any such combination or subcombination.
An equivalent substitution of two or more elements can be made for anyone of the elements in the claims below or that a single element can be substituted for two or more elements in a claim. Although elements can be described above as acting in certain combinations, and even initially claimed as such, it is to be expressly understood that one or more elements from a claimed combination can, in some cases, be excised from the combination and that the claimed combination can be directed to a subcombination or variation of a subcombination.
It will be appreciated by persons skilled in the art that the present embodiment is not limited to what has been particularly shown and described hereinabove. A variety of modifications and variations are possible considering the above teachings without departing from the following claims.
Number | Date | Country | |
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63193957 | May 2021 | US |