CN211433948U - Knee joint prone position protection pad - Google Patents
Knee joint prone position protection pad Download PDFInfo
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- CN211433948U CN211433948U CN201921674244.2U CN201921674244U CN211433948U CN 211433948 U CN211433948 U CN 211433948U CN 201921674244 U CN201921674244 U CN 201921674244U CN 211433948 U CN211433948 U CN 211433948U
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- air bag
- knee joint
- supporting part
- air
- connecting piece
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Abstract
The utility model discloses a knee joint prone position protection pad, belonging to the field of medical apparatus and instruments, which comprises a connecting piece and an air bag component, wherein the air bag component is connected with the connecting piece into a whole; the air bag assembly is formed by sequentially connecting N air bags from outside to inside, wherein N is a natural number and is more than or equal to 2; the air bag consists of a wide supporting part and a sharp supporting part; when the air bag is in an inflated state, the wide supporting part is C-shaped along the section vertical to the central line of the air bag, and the sharp supporting part is V-shaped along the section vertical to the central line of the air bag; the wide supporting part and the tip supporting part are communicated into a whole, and the inner side of the wide supporting part and the inner side of the tip supporting part form a knee joint placing space for placing a knee joint. The knee joint prone position protection pad of this application is small, can carry out corresponding adjustment to satisfy the demand of different situations. Simultaneously, the knee joint prone position protection pad of this application adopts the rubber material to make, easily washs, disinfects, can satisfy used repeatedly's demand, effectively reduces patient's economic burden.
Description
Technical Field
The utility model relates to the field of medical equipment, specifically a knee joint prone position protection pad.
Background
Some diseases such as brain surgery, orthopaedics and the like are often performed in prone position during operation. For orthopedics, especially lumbar vertebra degenerative disease, when doing the prone position operation, the knee joint is in the state of buckling, and the patellofemoral is located foremost (say that the patellofemoral is located the minimum), and the compressive stress conducts in the knee joint, makes the knee joint pressure-bearing increase, and the production of articular inflammatory medium increases, leads to patient's postoperative complication knee joint pain. As patients with lumbar degenerative diseases are mostly old people, the joints of the old people degenerate to different degrees, and the phenomenon of postoperative complication knee joint pain is particularly prominent due to the increase of internal stress of the knee joints. Aiming at the problem of postoperative knee joint pain, the traditional Chinese medicine is mainly controlled by adopting a medicine for treating osteoarthritis, and corresponding preoperative preventive measures are lacked.
Corresponding research is carried out on prone position operation. Chinese patent application CN201520120238.8 discloses a prone position operating table device (applicant: qianfeshan hospital, shandong province, application date: 2015.03.02), which comprises a pad body, a head and face protection mechanism arranged at the front end of the pad body, a transverse sliding mechanism arranged on the pad body, a longitudinal moving mechanism connected with the transverse sliding mechanism, a hand placing mechanism positioned on the longitudinal moving mechanism, a chest protection structure arranged in the middle of the pad body and a foot pad positioned at the tail end of the pad body, wherein the head and face protection mechanism comprises a protection pad arranged above the pad body through a support rod, the protection pad is provided with an eye groove and a nose and mouth groove connected with the eye groove, the chest protection mechanism comprises a support pad detachably connected to the pad body, and the support pad is provided with a counter bore at the chest and abdomen. However, the prone position operating table device has no protection measure against knee joint pain, and cannot solve the aforementioned problems.
Further, chinese patent application No. cn201820393444.x discloses a knee joint patella protection pad in prone position, which includes a first portion supporting the femur and a second portion supporting the tibia; a sunken cavity is defined between the first part and the second part, and the patella of the patient is contained in the sunken cavity and keeps suspended in the prone position. In this structure, the height of the first portion is greater than the height of the second portion; the body is made of hard sponge; the body further comprises a bottom plate, and the first part and the second part are detachably connected to the bottom plate; the first portion and the second portion are both wedge-shaped blocks. In this structure to the stereoplasm sponge preparation main part, holistic volume is great, can not adjust, is not convenient for wash, the disinfection, can't satisfy used repeatedly's demand.
Therefore, the inventor provides a knee joint prone position protection pad aiming at the requirement of knee joint protection in prone position operation.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a knee joint prone position protection pad which is small in size and can be adjusted correspondingly to meet requirements of different conditions. Simultaneously, the knee joint prone position protection pad of this application adopts the rubber material to make, easily washs, disinfects, can satisfy used repeatedly's demand, effectively reduces patient's economic burden. In addition, based on the difference of patient's weight, size, the protection of this application is filled up and can be carried out corresponding adjustment, has extremely strong adaptability, can satisfy different patients' knee joint prone position protection demand. The knee joint compression device has the advantages of ingenious design, reasonable design, simple structure, convenience in use, higher application value, capability of effectively solving the problem of prone position operation knee joint compression in the operation, reduction of the probability of postoperative concurrent knee joint pain of a patient, alleviation of pain of the patient, and higher application value.
The utility model adopts the technical scheme as follows:
a knee joint prone position protection pad comprises a connecting piece and an air bag assembly, wherein the air bag assembly is connected with the connecting piece into a whole;
the air bag assembly is formed by sequentially connecting N air bags from outside to inside, wherein N is a natural number and is more than or equal to 2;
the air bag consists of a wide supporting part and a sharp supporting part; when the air bag is in an inflated state, the wide supporting part is C-shaped along the section vertical to the central line of the air bag, and the sharp supporting part is V-shaped along the section vertical to the central line of the air bag; the wide supporting part and the tip supporting part are communicated into a whole, and the inner side of the wide supporting part and the inner side of the tip supporting part form a knee joint placing space for placing a knee joint;
the air bag is provided with at least one vent hole along the direction vertical to the central line of the air bag, and the vent hole is communicated with the knee joint placing space;
the side of the airbag assembly connected with the connecting piece is marked as a connecting side, the other side of the airbag assembly is a protection side, and the protection cushion can provide support for a user through the protection side.
The air bag is attached to the connecting piece.
The connecting piece is in a sheet shape.
The vent holes are polygonal, circular or elliptical.
The vent hole is positioned between the connecting piece and the air bag, or the vent hole is arranged on the air bag.
The section of the air bag perpendicular to the central line of the air bag is a flat-millet-shaped annular belt.
The connecting piece and the air bag assembly are respectively made of flexible materials.
The connecting piece and the air bag assembly are respectively made of rubber materials or flexible plastics.
The airbags are sequentially marked as the 1 st airbag and the … … Nth airbag along the direction from inside to outside.
The connecting piece is provided with a central through hole which is communicated with the knee joint placing space of the 1 st air bag.
The central through hole is polygonal, circular or elliptical.
When the air bags are respectively in an inflated state, the distance from the protective side of the (N-1) th air bag to the connecting piece is smaller than the distance from the protective side of the (N) th air bag to the connecting piece.
The distance from the center to the edge of the airbag module to the connecting piece is gradually increased.
The air bag further comprises a winding belt, and the winding belt is connected with the connecting piece or the air bag component.
The air bag is provided with a one-way valve used for inflating the air bag.
The check valve is arranged on the connecting piece.
The inflation tube is further included, and the one-way valve is connected with the inflation tube.
As described above, in the prone position surgery, the knee joint is not protected effectively, which increases the burden on the knee joint and may cause pain in the knee joint of the patient. The pain also restricts the operation to a certain extent, which is not beneficial to the recovery of the patients.
Therefore, the application provides a knee joint prone position protection pad which comprises a connecting piece and an air bag assembly, wherein the air bag assembly is connected with the connecting piece into a whole. The air bag assembly is formed by sequentially connecting N air bags from outside to inside, wherein N is a natural number and is more than or equal to 2, and the air bags are identical in shape and are mutually overlapped. Wherein, the air bag consists of a wide supporting part and a sharp supporting part; when the air bag is in an inflated state, the wide supporting part is C-shaped along the section vertical to the central line of the air bag, and the sharp supporting part is V-shaped along the section vertical to the central line of the air bag; the wide supporting part and the tip supporting part are communicated into a whole, and the inner side of the wide supporting part and the inner side of the tip supporting part form a knee joint placing space for placing a knee joint. Meanwhile, the air bag is provided with at least one vent hole along the direction vertical to the central line of the air bag, and the vent hole is communicated with the knee joint placing space. The side of connecting the air bag component and the connecting piece is marked as a connecting side, the other side of the air bag component is a protecting side, and the protecting cushion can provide support for a user through the protecting side.
In the structure, the air bag adopts an integrated design and consists of a wide supporting part and a sharp supporting part; when the air bag is in an inflated state, the wide supporting part is C-shaped along the section vertical to the central line of the air bag, and the sharp supporting part is V-shaped along the section vertical to the central line of the air bag; the inner side of the wide supporting part and the inner side of the tip supporting part form a knee joint placing space for placing a knee joint. Based on this structure, the inside center of gasbag is one end width, the structure of other end point, and then makes the knee joint place the space and can effectively laminate with patient's patella. The application of the protection pad can be attached to the knee joint, so that the corresponding pressure is reduced, and the patella is protected.
Meanwhile, the air bag is provided with at least one vent hole along the direction vertical to the central line of the air bag, and the vent hole is communicated with the knee joint placing space. Based on this structure, can avoid forming the negative pressure between knee joint and the protection pad, prevent that the protection pad from hugging closely with the knee joint and being in the same place.
Because the height, the weight and other factors of the patients are different, the sizes of the patella of the patients are different. Therefore, the airbag module is formed by sequentially connecting N airbags from outside to inside, wherein N is a natural number and is not less than 2, and the airbags are identical in shape and are mutually overlapped. The airbags are sequentially marked as the 1 st airbag and the … … Nth airbag along the direction from inside to outside. Aiming at different patients, different air bags are inflated, so that knee joint placing spaces with different sizes are formed, and the application requirements of different patients are met. The knee joint protection device is reasonable in design, convenient to use and high in adaptability, can effectively protect the knee joint of a patient and reduce the bearing pressure of the knee joint, so that the requirements of corresponding operation application are met, and the knee joint protection device has high corresponding value and good application prospect.
The connecting piece of this application is the slice, and the gasbag laminating is on the connecting piece, and the air vent is polygon or circular or oval (preferably circular, and the air vent is located between connecting piece and the gasbag, or the air vent sets up on the gasbag). The protection pad of this application adopts the structural design of gasbag and slice connecting piece, easily accomodates, arranges in order, portable. Furthermore, the air bag is a flat-millet-shaped annular belt along the section perpendicular to the central line of the air bag; in the structure, the knee joint placing space in the air bag forms a structure which is similar to a Chinese chestnut and has one sharp end and one wide end, so that the knee joint can be better attached to the knee joint. The connecting piece and the air bag component are respectively made of flexible materials, preferably rubber materials or flexible plastics.
Furthermore, a central through hole is formed in the connecting piece and communicated with the knee joint placing space of the 1 st air bag. In the structure, the knee joint placing space of the innermost airbag is communicated with the central through hole on the connecting piece, so that the phenomenon that the protective cushion is tightly attached to the knee joint is effectively avoided. The central through hole is polygonal, circular or elliptical.
Further, when the air bags are respectively in an inflated state, the distance from the protection side of the (N-1) th air bag to the connecting piece is smaller than the distance from the protection side of the (N) th air bag to the connecting piece. Adopt this structure, arrange the connecting piece in the below, be full of gas with the gasbag, the gasbag subassembly forms the form of low outside high in, and it can satisfy the demand of knee joint when the extrusion protection pad better. The air bag further comprises a winding belt, and the winding belt is connected with the connecting piece or the air bag component. Typically, the protective pad is secured under the knee joint of the patient by gravity. And the protective pad can be fixed at the knee joint of a patient by adopting the structural design of the winding belt.
Furthermore, the air bag is provided with a one-way valve used for inflating the air bag, and the one-way valve is mainly used for meeting the requirement of inflating the air bag. Preferably, the one-way valve is provided on the connector. The airbag module of the present application may take two inflation forms: firstly, in the initial state, namely, the air bag is inflated, and the air bag can be directly used, but the flexibility is limited; secondly, the corresponding one-way valve is arranged on the air bag, and proper air is filled into the air bag through the one-way valve according to the requirements of practical application, so that the knee joint protection requirements of different patients can be better met, and the knee joint protection device has better flexibility.
In summary, the application provides a knee joint prone position protection pad, wherein the knee joint placing space can be correspondingly selected and adjusted as required, the knee joint placing space is only a little larger than a patella, and an air bag forms an inflatable edge of 2-3 cm; the connecting piece and the air bag component can be respectively made of flexible, soft and skin-friendly materials, such as rubber and the like; the arrangement of the vent holes can avoid the formation of a closed space inside the protective cushion and negative pressure (if negative pressure is formed, surrounding tissues can be pulled, if the time is longer, the influence of the negative pressure is larger, corresponding complications can occur, and the problem can be effectively solved by the application); the utility model provides an gasbag comprises the wide supporting part of C type and the sharp supporting part of V type, forms the structure that one end is flat, one end is sharp to can cooperate with patient's knee joint better. In the application, the center of the protective pad is hollow, so that the patella can be effectively ensured to be in a suspended state when the protective pad is used; based on the ingenuity of the structural design, the protection requirements of different patients can be met, the method has extremely high adaptability and good application value, and the development of corresponding operations is facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of the protection pad of embodiment 1.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic structural view of the wide support portion in fig. 1.
Fig. 4 is a schematic structural view of the tip support of fig. 1.
FIG. 5 is a schematic view showing the overall structure of the protection pad of embodiment 2.
The labels in the figure are: 1. the connecting piece 2, the gasbag 3, the air vent 4, the wide supporting part 5, the sharp supporting part 6, the central through hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in the figure, the knee joint prone position protection pad of the embodiment comprises a connecting piece and an air bag assembly, wherein the air bag assembly is connected with the connecting piece into a whole. In the embodiment, the connecting piece is made of flexible rubber sheets, and the air bag assembly is formed by sequentially connecting 3 air bags from outside to inside.
In this embodiment, the airbag is composed of a wide support portion and a pointed support portion, which are made of a flexible material. As shown in the figure, when the air bag is in an inflated state, the wide supporting part is C-shaped along the section vertical to the central line of the air bag, and the sharp supporting part is V-shaped along the section vertical to the central line of the air bag; the wide supporting part and the tip supporting part are communicated into a whole, and the inner side of the wide supporting part and the inner side of the tip supporting part form a knee joint placing space for placing a knee joint.
As shown in the figure, the direction of the gasbag edge perpendicular to gasbag central line of this application is provided with a plurality of air vent, and the air vent places the space intercommunication with the knee joint, and the air vent is circular. The side of the airbag assembly connected with the connecting piece is marked as a connecting side, the side of the airbag assembly opposite to the connecting side is a protection side, and the protection pad provides support for a user through the protection side.
When the protective pad is used, the front face of a patient faces downwards, the protective side is arranged below the knee of the patient, the knee of the patient is attached to the protective pad under the action of gravity of the patient, the air bag can provide powerful support for the patient, and accordingly the corresponding protective effect is achieved. When the knee of a patient is attached to the protective pad, if the knee joint is not provided with the vent hole, the knee joint extrudes the knee joint prone position protective pad, partial air in the knee joint placing space can be extruded out, a negative pressure environment can be formed in the knee joint placing space, and the protective pad is not favorably separated from the knee joint; and this application is based on the existence of air vent, then can effectively avoid this problem, and the use and the separation of knee joint prone position protection pad are all very convenient.
Furthermore, the air bag of the embodiment is also provided with a one-way valve for inflating the air bag, and the air bag can be inflated into the one-way valve through an inflation tube. The airbags are sequentially marked as the 1 st airbag and the … … rd airbag along the direction from inside to outside. Based on this structure, can inflate single gasbag, or a plurality of gasbags to satisfy different size patients' knee joint protection demand. If the patient is a child, the 1 st air bag or the 1 st and 2 nd air bags can be inflated; if the patient is a senior middle-aged person, the 2 nd air bag, or the 3 rd air bag, or the 2 nd and the 3 rd air bags can be inflated. Meanwhile, the inflation quantity in the air bag can be adjusted, so that the supporting height of the protective cushion to the knee joint is adjusted.
Further, this embodiment still includes the winding area, and the winding area links to each other with the connecting piece. The winding belt can play a role in secondary fixation, so that the protective cushion can be better fixed on the knee joint of a patient when in use; after the use, the winding belt is untied.
Example 2
As shown in the figure, the knee joint prone position protection pad comprises a connecting piece and an air bag assembly, wherein the air bag assembly and the connecting piece are connected into a whole. In the embodiment, the connecting piece is made of rubber materials, the air bag assembly is formed by sequentially connecting 2 air bags from outside to inside, and the air bags are attached to the connecting piece.
In this embodiment, the airbag is composed of a wide support portion and a pointed support portion, which are made of a rubber material. When the air bag is in an inflated state, the wide supporting part is C-shaped along the section vertical to the central line of the air bag, and the sharp supporting part is V-shaped along the section vertical to the central line of the air bag; the wide supporting part and the tip supporting part are communicated into a whole, and the inner side of the wide supporting part and the inner side of the tip supporting part form a knee joint placing space for placing a knee joint.
In the embodiment, the air bag is provided with a plurality of vent holes communicated with the knee joint placing space along the direction vertical to the central line of the air bag, and the vent holes are oval. The side of the airbag assembly connected with the connecting piece is marked as a connecting side, the side of the airbag assembly opposite to the connecting side is a protection side, and the protection pad provides support for a user through the protection side.
The airbags are sequentially marked as the 1 st airbag and the 2 nd airbag along the direction from inside to outside. When the air bags are respectively in an inflated state, the distance from the protective side of the 1 st air bag to the connecting piece is smaller than the distance from the protective side of the 2 nd air bag to the connecting piece, namely, the distance from the center to the edge of the air bag assembly to the connecting piece is gradually increased. As shown in the figure, a circular central through hole is formed in the connecting piece and communicated with the knee joint placing space of the 1 st air bag. Meanwhile, the air bags are all provided with one-way valves used for inflating the air bags.
In this embodiment, the air bags are independent from each other and are arranged from low to high from inside to outside. Based on this structure, can make the contact surface of protection pad and knee form the structure of an indent, and the gasbag is flat millet form clitellum along the section of perpendicular to gasbag central line to can better with the knee joint cooperation. Meanwhile, the central through hole in the connecting piece and the vent hole in the air bag can avoid the problem that the knee joint in the protective cushion can prevent negative pressure possibly existing in space.
Through practical application, the knee joint prone position protection pad of this application can be applied to the protection of knee joint in the prone position operation, has better effect.
To sum up, the problems of pressure bearing of the knee joint, blood blockage, postoperative complication of knee joint pain and the like existing in the existing prone position operation are basically solved after the application is adopted. Meanwhile, after the application is adopted, the patient can not be overturned for a long time, and the operation of long-time prone position operation is facilitated.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. A knee joint prone position protection pad is characterized by comprising a connecting piece and an air bag assembly, wherein the air bag assembly is connected with the connecting piece into a whole;
the air bag assembly is formed by sequentially connecting N air bags from outside to inside, wherein N is a natural number and is more than or equal to 2;
the air bag consists of a wide supporting part and a sharp supporting part; when the air bag is in an inflated state, the wide supporting part is C-shaped along the section vertical to the central line of the air bag, and the sharp supporting part is V-shaped along the section vertical to the central line of the air bag; the wide supporting part and the tip supporting part are communicated into a whole, and the inner side of the wide supporting part and the inner side of the tip supporting part form a knee joint placing space for placing a knee joint;
the air bag is provided with at least one vent hole along the direction vertical to the central line of the air bag, and the vent hole is communicated with the knee joint placing space;
the side of the airbag assembly connected with the connecting piece is marked as a connecting side, the other side of the airbag assembly is a protection side, and the protection cushion can provide support for a user through the protection side.
2. The protective pad of claim 1, wherein the vent holes are polygonal or circular or oval.
3. The protective pad of claim 2, wherein the vent hole is located between the connector and the airbag or the vent hole is disposed on the airbag.
4. The protective pad of claim 1, wherein the air cell is in the form of a castellated band in a cross-section perpendicular to the air cell centerline.
5. The protective pad according to any one of claims 1 to 4, wherein the air cells are sequentially designated as the 1 st air cell and the … … Nth air cell in the inner-to-outer direction.
6. The protective pad of claim 5, wherein the connecting member is provided with a central through hole, and the central through hole is communicated with the knee joint placing space of the 1 st air cell.
7. The protective pad of claim 5, wherein the protective side of the (N-1) th air cell is spaced from the connecting member by a distance less than the distance from the protective side of the (N) th air cell to the connecting member when the air cells are in their respective inflated states.
8. The protective pad of claim 1, further comprising a wrapping strip coupled to the connector or the airbag module.
9. The protective pad of claim 1, wherein the air cell is provided with a one-way valve for inflating the air cell.
10. The protective pad of claim 9, further comprising an inflation tube, wherein the one-way valve is connected to the inflation tube.
11. Protective pad according to claim 2 or 3, wherein the air cells are in the form of a castellated ring band in a cross-section perpendicular to the centre line of the air cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674244.2U CN211433948U (en) | 2019-10-09 | 2019-10-09 | Knee joint prone position protection pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674244.2U CN211433948U (en) | 2019-10-09 | 2019-10-09 | Knee joint prone position protection pad |
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| Publication Number | Publication Date |
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| CN211433948U true CN211433948U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921674244.2U Expired - Fee Related CN211433948U (en) | 2019-10-09 | 2019-10-09 | Knee joint prone position protection pad |
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| CN (1) | CN211433948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914922A (en) * | 2021-02-22 | 2021-06-08 | 吴秀琼 | Method for relieving delivery discomfort of lying delivery ball or hand and knee |
-
2019
- 2019-10-09 CN CN201921674244.2U patent/CN211433948U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914922A (en) * | 2021-02-22 | 2021-06-08 | 吴秀琼 | Method for relieving delivery discomfort of lying delivery ball or hand and knee |
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Granted publication date: 20200908 Termination date: 20211009 |