CN113171216A - One-way valve device for air pressure joint of artificial limb - Google Patents
One-way valve device for air pressure joint of artificial limb Download PDFInfo
- Publication number
- CN113171216A CN113171216A CN202110464061.3A CN202110464061A CN113171216A CN 113171216 A CN113171216 A CN 113171216A CN 202110464061 A CN202110464061 A CN 202110464061A CN 113171216 A CN113171216 A CN 113171216A
- Authority
- CN
- China
- Prior art keywords
- way valve
- outer ring
- gas
- check valve
- shoulder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
- A61F2/80—Sockets, e.g. of suction type
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
- A61F2/80—Sockets, e.g. of suction type
- A61F2002/802—Suction sockets, i.e. utilizing differential air pressure to retain the prosthesis on the stump
- A61F2002/805—Suction sockets, i.e. utilizing differential air pressure to retain the prosthesis on the stump having an air valve
Abstract
The invention relates to the technical field of rehabilitation aids, and provides a one-way valve device for an artificial limb air pressure joint, which comprises an air passage (1), a one-way valve outer ring (2), a one-way valve inner ring (3), a one-way valve end surface (4) and a shoulder lifting shaft (5); the inner ring (3) of the one-way valve is fixedly arranged between the two shoulder shafts (5); the shoulder shaft (5) is detachably connected with the end surface (4) of the one-way valve; one side of the bottom of the check valve outer ring (2) is fixedly integrated with the check valve inner ring (3) through a check valve end face (4), an opening is formed on one side of the outer edge, and the opening is pressed against the inner wall of the air passage (1). When gas enters the gas channel from one side of the opening of the outer ring, one side of the outer edge of the outer ring is propped against the inner wall of the gas channel to form a barrier, and the gas cannot circulate; when gas enters the gas channel from one side of the bottom of the outer ring, one side of the outer edge of the outer ring of the one-way valve is forced to be separated from the inner wall of the gas channel due to the pressure of the gas, so that the gas can pass through the one-way valve device, and a one-way channel is realized.
Description
Technical Field
The invention relates to the technical field of rehabilitation aids, in particular to a one-way valve device for an artificial limb pneumatic joint.
Background
As natural disasters, traffic accidents, and other irresistible disasters continue to occur, amputees who fail to secure their limbs due to serious injury during disasters and accidents have gradually increased. In recent years, with the development of science and technology and the improvement of the quality of life of the people, some disabled people hope to change the current situation of the disabled people urgently, and in order to help the disabled people to recover the mobility, the disabled people can be merged into the society again, the confidence and the quality of life of the disabled people are improved, and the artificial limb pneumatic joint is introduced into the design of an assistive device for assisting the disabled people to recover the motion function.
In the existing design of the artificial limb air pressure joint, the one-way valve influences the effect of the air flow direction of the artificial limb joint. The existing check valve realizes the function of a one-way passage by adopting a mode of sealing and adding a tip shaft, but has a complex structure and is inconvenient to disassemble and assemble.
Disclosure of Invention
Therefore, how to provide a one-way valve which has a simpler structure and is convenient to disassemble and assemble is the aim of the invention and is mainly applied to the one-way circulation of air in the artificial limb pneumatic joint.
Specifically, the method is mainly realized by the following technical scheme:
a one-way valve assembly for a pneumatic joint of a prosthesis, comprising:
the air passage, the one-way valve outer ring, the one-way valve inner ring, the one-way valve end face and the shoulder shaft are arranged on the outer side of the valve body;
the inner ring of the one-way valve is fixedly arranged between the two shoulder shafts;
the shoulder shaft is detachably connected with the end face of the one-way valve;
one side of the bottom of the check valve outer ring is fixedly integrated with the check valve inner ring through a check valve end face, and an opening is formed in one side of the outer edge and abuts against the inner wall of the air passage. When gas enters the gas channel from one side of the opening of the outer ring, one side of the outer edge of the outer ring is propped against the inner wall of the gas channel to form a barrier, and the gas cannot circulate; when gas enters the gas channel from one side of the bottom of the outer ring, one side of the outer edge of the outer ring of the one-way valve is forced to be separated from the inner wall of the gas channel due to the pressure of the gas, so that the gas can pass through the one-way valve device, and a one-way channel is realized. The check valve device has the advantages of simple structure, low manufacturing cost, convenient installation and disassembly and the like.
Preferably, the radial section of the outer ring of the one-way valve is conical, and the radial section of the inner ring of the one-way valve is circular.
Preferably, the thickness of the end face of the one-way valve is 1-2 mm.
Preferably, the radial cross section of the end face of the check valve is circular.
Preferably, the outer ring of the one-way valve is made of a butadiene-acrylonitrile rubber material.
Drawings
1. FIG. 1 is a plan view of a one-way valve assembly for a pneumatic prosthetic joint in accordance with an embodiment of the present invention;
2. FIG. 2 is a front view of the structure of the outer ring and the inner ring of the check valve in the embodiment of the present invention;
3. fig. 3 is a cross-sectional view of a one-way valve assembly for a pneumatic prosthetic joint in accordance with an embodiment of the present invention.
Detailed Description
In order to make the core idea of the present invention more clearly understood, the following detailed description will be made with reference to the accompanying drawings.
As shown in fig. 1, the present invention discloses a check valve device for a pneumatic joint of a prosthesis, the device comprising: the air-conditioning valve comprises an air passage 1 with an air inlet and an air outlet, a one-way valve outer ring 2, a one-way valve inner ring 3, a one-way valve end surface 4 and a shoulder shaft 5. The check valve inner ring 3 is fixedly arranged between the two shoulder lifting shafts 5 and is axially fixed with the shoulder lifting shafts (5) through shoulder lifting at two ends of the shoulder lifting shafts (5), the shoulder lifting shafts 5 are detachably connected with the check valve end face 4, one side of the bottom of the check valve outer ring 2 is fixedly integrated with the check valve inner ring 3 through the check valve end face 4, and one side of the outer edge of the check valve outer ring 2 forms an opening and is pressed against the inner wall of the air passage 1.
As shown in fig. 2 and 3, a radial cross section of the check valve inner ring 3 is circular, a radial cross section of the check valve outer ring 2 is tapered, a check valve end surface 4 with a certain thickness (which may be 1-2 mm in the embodiment of the present invention) is disposed on one side of a bottom of the check valve outer ring (i.e., on the left side in fig. 1), the radial cross section of the check valve end surface 4 is circular, and an opening is formed on one side of an outer edge of the check valve outer ring (i.e., on the right side in fig. 1).
The embodiment of the invention discloses a one-way valve device for an artificial limb pneumatic joint, which has the following specific working principle: when gas enters the gas channel 1 from the side of the outer edge opening of the one-way valve outer ring 2 (namely, the right side in fig. 1), the side of the outer edge opening of the one-way valve outer ring 2 is pressed against the inner wall of the gas channel 1 to form a barrier, and the gas cannot circulate; when gas enters the gas passage 1 from one side of the bottom of the outer ring 2 of the check valve (i.e. the left side in fig. 1), the outer ring 2 of the check valve is made of nitrile rubber, so that the outer edge of the outer ring 2 of the check valve is forced to separate from the inner wall of the gas passage 1 due to the pressure of the gas, i.e. at this time, the outer edge of the outer ring 2 of the check valve is no longer pressed against the inner wall of the gas passage 1, so that the gas can pass through the check valve device, thereby realizing a one-way passage.
From the above, the one-way valve device for the artificial limb pneumatic joint disclosed by the embodiment of the invention is provided with the conical nitrile rubber structure, so that the conical nitrile rubber structure is matched with the inner wall of the air passage and the shoulder raising shaft for use to form the one-way passage. The technical problems of high manufacturing cost and complex structure of a check valve for an artificial limb pneumatic joint in the prior art due to the fact that a spring and apical axis structure is generally adopted are solved.
The foregoing detailed description of the embodiments of the present invention has been presented for the purpose of illustrating the principles and implementations of the present invention, and the description of the embodiments is only provided to assist understanding of the core concepts of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (5)
1. A one-way valve assembly for a pneumatic joint of a prosthetic limb, comprising:
the air channel (1), the one-way valve outer ring (2), the one-way valve inner ring (3), the one-way valve end surface (4) and the shoulder lifting shaft (5);
the inner ring (3) of the one-way valve is fixedly arranged between the two shoulder shafts (5);
the shoulder shaft (5) is detachably connected with the end surface (4) of the one-way valve;
one side of the bottom of the check valve outer ring (2) is fixedly integrated with the check valve inner ring (3) through a check valve end face (4), an opening is formed on one side of the outer edge, and the opening is pressed against the inner wall of the air passage (1).
2. A one-way valve assembly for a pneumatic prosthetic joint according to claim 1, wherein the one-way valve outer ring (2) is tapered in radial cross-section and the one-way valve inner ring (3) is circular in radial cross-section.
3. A one-way valve arrangement for a pneumatic joint for a prosthetic limb according to claim 1, characterised in that the thickness of the one-way valve end face (4) is 1 to 2 mm.
4. A one-way valve device for a pneumatic joint of a prosthesis according to claim 1, characterised in that the radial cross-section of the one-way valve end face (4) is circular.
5. A one-way valve assembly for a pneumatic prosthetic joint according to claim 1, wherein said one-way valve outer ring (2) is of nitrile rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110464061.3A CN113171216A (en) | 2021-04-26 | 2021-04-26 | One-way valve device for air pressure joint of artificial limb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110464061.3A CN113171216A (en) | 2021-04-26 | 2021-04-26 | One-way valve device for air pressure joint of artificial limb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113171216A true CN113171216A (en) | 2021-07-27 |
Family
ID=76926657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110464061.3A Pending CN113171216A (en) | 2021-04-26 | 2021-04-26 | One-way valve device for air pressure joint of artificial limb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113171216A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555955A (en) * | 2009-05-19 | 2009-10-14 | 周明泉 | Pipeline flexible check valve |
| CN107061974A (en) * | 2017-05-05 | 2017-08-18 | 许永久 | The pressure-releasing type quantitative distributor distributed available for grease |
| CN107620477A (en) * | 2017-10-20 | 2018-01-23 | 浙江萧云建设有限公司 | The mounting and positioning device and its installation and locating method of prefabricated wallboard |
| CN108019224A (en) * | 2017-11-30 | 2018-05-11 | 兖州煤业股份有限公司 | Long-range whitewashing conveying pipeline annular pressue device and corresponding long-range pulp shooting machine |
| CN207406849U (en) * | 2017-09-30 | 2018-05-25 | 山西好利阀机械制造有限公司 | New construction check-valves |
| JP6367432B1 (en) * | 2017-06-19 | 2018-08-01 | 株式会社南武 | Sequence valve with check valve |
| CN209780837U (en) * | 2019-03-20 | 2019-12-13 | 青岛宏新天机械有限公司 | High pressure resistant float collar |
-
2021
- 2021-04-26 CN CN202110464061.3A patent/CN113171216A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555955A (en) * | 2009-05-19 | 2009-10-14 | 周明泉 | Pipeline flexible check valve |
| CN107061974A (en) * | 2017-05-05 | 2017-08-18 | 许永久 | The pressure-releasing type quantitative distributor distributed available for grease |
| JP6367432B1 (en) * | 2017-06-19 | 2018-08-01 | 株式会社南武 | Sequence valve with check valve |
| CN207406849U (en) * | 2017-09-30 | 2018-05-25 | 山西好利阀机械制造有限公司 | New construction check-valves |
| CN107620477A (en) * | 2017-10-20 | 2018-01-23 | 浙江萧云建设有限公司 | The mounting and positioning device and its installation and locating method of prefabricated wallboard |
| CN108019224A (en) * | 2017-11-30 | 2018-05-11 | 兖州煤业股份有限公司 | Long-range whitewashing conveying pipeline annular pressue device and corresponding long-range pulp shooting machine |
| CN209780837U (en) * | 2019-03-20 | 2019-12-13 | 青岛宏新天机械有限公司 | High pressure resistant float collar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8394150B2 (en) | Prosthetic liner with proximal seal | |
| US8197555B2 (en) | Valve integrated prosthetic expulsion pump | |
| CN105641821A (en) | Active intake mask | |
| GB1414523A (en) | Voice prosthesis | |
| CN113171216A (en) | One-way valve device for air pressure joint of artificial limb | |
| CN204796799U (en) | Antifog haze gauze mask of combined type | |
| CN204890882U (en) | Face mask assembly | |
| US8409299B2 (en) | Limb stump receiving sleeve comprising an integrated locking device for a sealing element | |
| GB2204498A (en) | Resuscitator | |
| CN205867265U (en) | Medical breathing machine face guard | |
| CN205781144U (en) | Hub | |
| CN204364711U (en) | Subchannel nasal respiration filter mantle | |
| CN209587142U (en) | The sealing structure of other pressure roller | |
| CN113440330A (en) | Contact member and urination apparatus | |
| CN112168443A (en) | Sealing ring for connecting artificial limb and leg | |
| CN211584784U (en) | Disposable oxygen therapy mask | |
| KR200466449Y1 (en) | Functional condoms | |
| GB2554391B (en) | Prosthesis suspension liner sealing cap and prosthesis suspension system | |
| CN100462112C (en) | Disposable silicon-plastic larynx mask | |
| CN205432236U (en) | Breather valve gauze mask | |
| CN220714481U (en) | Sputum aspirator | |
| CN1341406A (en) | Penis support body | |
| CN211096840U (en) | Department of respiration uses novel respirator | |
| CN111567951A (en) | Device for improving air permeability of protective mask | |
| CN219720949U (en) | Anesthesia maintenance mask for laboratory mice |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |