CN115813345A - Knee joint pressure measuring device for total knee joint replacement - Google Patents

Knee joint pressure measuring device for total knee joint replacement Download PDF

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Publication number
CN115813345A
CN115813345A CN202211586870.2A CN202211586870A CN115813345A CN 115813345 A CN115813345 A CN 115813345A CN 202211586870 A CN202211586870 A CN 202211586870A CN 115813345 A CN115813345 A CN 115813345A
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contact
tester
face
block
rod
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CN202211586870.2A
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Chinese (zh)
Inventor
方锐
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Fourth Affiliated Hospital of Xinjiang Medical University
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Fourth Affiliated Hospital of Xinjiang Medical University
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Priority to CN202211586870.2A priority Critical patent/CN115813345A/en
Publication of CN115813345A publication Critical patent/CN115813345A/en
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Abstract

The invention provides a knee joint pressure measuring device for total knee joint replacement, which relates to the technical field of pressure measurement and comprises: a tester, a first test portion and a second test portion; the tester is provided with a display screen and a key. Because the top end surface and the bottom end surface of the plug are respectively in elastic contact with the inner sides of the two protection blocks on the left side, the two protection blocks on the left side jointly form a butting structure of the plug, the probability that the plug is loosened and falls off from a tester can be reduced, the problem that most of the existing pressure tests are indicated only by pointers, the indicating effect is poor, multiple indications cannot be realized through structural improvement so as to improve the indicating accuracy, and the plug can be continuously used after part of the structure is damaged is solved; at present, equipment is easy to damage when careless dropping occurs in the carrying process, and the problem of mutual combination of looseness prevention of a protection structure and a plug cannot be realized through structural improvement.

Description

Knee joint pressure measuring device for total knee joint replacement
Technical Field
The invention relates to the technical field of pressure measurement, in particular to a knee joint pressure measurement device for total knee joint replacement.
Background
In the knee joint disease, knee osteoarthritis caused by degeneration of the knee joint is a main cause of leg and foot pain of an old patient, a gasket needs to be added in the knee joint treatment process, and a pressure measuring device needs to be used for measurement before the gasket is added.
As far as knee joint pressure measuring devices are currently available:
at present, when a pressure test is realized, indication is mostly carried out only through a pointer, the indication effect is poor, multiple indication cannot be realized through structural improvement so as to improve the indication accuracy, and the pressure test can be used continuously after a part of the structure is damaged; at present, equipment is easy to damage when careless falling occurs in the carrying process, and the anti-loosening mutual combination of the protection structure and the plug cannot be realized through structural improvement.
Disclosure of Invention
In view of the above, the present invention provides a knee joint pressure measuring device for total knee joint replacement, which has a first testing part and a second testing part, and can realize multiple indications through the arrangement of the first testing part and the second testing part, and can be used continuously when part of the components of a testing structure are damaged;
the protection block is further arranged, the protection of the tester can be realized through the arrangement of the protection block, a plug used for charging the tester is inserted into the left end face of the tester, the top end face and the bottom end face of the plug are respectively in elastic contact with the inner sides of the two protection blocks on the left side, the two protection blocks on the left side jointly form a butting structure of the plug, and the probability that the plug loosens and drops from the tester can be reduced at the moment.
The invention relates to a knee joint pressure measuring device for total knee joint replacement, which is realized by the following specific technical means:
the invention provides a knee joint pressure measuring device for total knee joint replacement, which specifically comprises: a tester, a first test portion and a second test portion; the tester is provided with a display screen and a key; the left end face and the right end face of the tester are both adhered with two protection blocks, the four protection blocks are made of rubber, and the four protection blocks jointly form a protection structure of the left end face and the right end face of the tester; the first testing part consists of a mounting seat, a sliding seat, a first sliding rod, a mounting block, a stress plate, an elastic piece, an indicating needle, a resistor and a contact plate, wherein the sliding seat is welded in the mounting seat; the tester is connected with a connecting cable which is electrically connected with the mounting seat; the second test part comprises first contact piece, contact seat, contact bar, second slide bar, second contact piece, elastic block, threaded rod, promotion piece and rubber sleeve, and terminal surface before the mount pad is installed to first contact piece.
Furthermore, the four protection blocks are of L-shaped structures, the bottom end surfaces of the inner walls of the upper two protection blocks are in adhesion connection with the top end surface of the tester, and the top end surfaces of the inner walls of the lower two protection blocks are in adhesion connection with the bottom end surface of the tester.
Furthermore, the front end faces of the four protection blocks are located at the front side positions of the front end face of the tester, and the rear end faces of the four protection blocks are located at the rear side positions of the rear end face of the tester.
Furthermore, a plug for charging the tester is inserted into the left end face of the tester, the top end face and the bottom end face of the plug are respectively in elastic contact with the inner sides of the two protection blocks on the left side, and the two protection blocks on the left side jointly form a butting structure of the plug.
Furthermore, a first sliding rod is connected to the sliding seat in a sliding mode, an installation block is welded at one end of the front side of the first sliding rod, a stress plate is welded on the front end face of the installation block, and the front end face of the stress plate is of an inclined structure;
the first sliding rod is sleeved with an elastic piece used for resetting the first sliding rod and the mounting block forwards, and the elastic piece is a spiral spring;
the installation block is fixedly connected with an indicating needle, and the indicating needle is aligned with the scale position on the installation seat.
Furthermore, the contact base is of a T-shaped structure and is connected to the mounting base in a sliding manner;
the bottom end face of the contact base is fixedly connected with a contact rod, and the contact rod is connected to the mounting base in a sliding manner; polishing the bottom end surface of the contact rod, wherein the bottom end surface of the contact rod is of an arc-shaped structure after polishing;
the contact lever bottom end face contacts with the preceding terminal surface of atress board, and the atress board is backward moving state when contact lever moves down.
Furthermore, a resistor is arranged on the right end face of the inner wall of the mounting seat and is electrically connected with the connecting cable; a converter is arranged in the tester;
and a contact plate is welded at one end of the rear side of the first sliding rod and is in contact with the resistor, when the stress plate moves backwards, the first sliding rod is in a backwards moving state, and the contact position of the contact plate and the resistor is changed.
Furthermore, sliding connection has two second slide bars on the contact base, and two second slide bar top end faces all with second contact piece bottom end face fixed connection, second contact piece and first contact piece have constituteed joint gap measurement structure jointly.
Furthermore, the two second sliding rods are respectively sleeved with an elastic block for the downward resetting of the second sliding rods and the second contact block, and the elastic blocks are of annular rubber structures;
a threaded rod is rotatably connected to the contact base, and a pushing block is connected to one end of the front side of the threaded rod in a threaded manner;
the end surface is the slope column structure before pushing away the piece, and the contact of end surface and second contact piece before pushing away the piece can realize pushing away the position adjustment of piece when rotating the threaded rod.
Furthermore, a rubber sleeve is adhered to the handle of the threaded rod and is in elastic contact with the contact base.
Advantageous effects
Through the arrangement of the protection blocks, firstly, because the left end face and the right end face of the tester are both adhered with the two protection blocks, the four protection blocks are made of rubber materials, the four protection blocks jointly form a protection structure of the left end face and the right end face of the tester, and when the tester accidentally drops, the four protection blocks can realize buffer protection; then, as the four protection blocks are of the L-shaped structure, the bottom end surfaces of the inner walls of the upper two protection blocks are in adhesive connection with the top end surface of the tester, and the top end surfaces of the inner walls of the lower two protection blocks are in adhesive connection with the bottom end surface of the tester, the collision protection of the top end surface and the bottom end surface of the tester can be realized through the four protection blocks in the using process; then, because of the preceding terminal surface of four protection pieces is located the front side position of terminal surface before the tester, the rear end face of four protection pieces is located the rear side position of tester rear end face, can realize the protection of terminal surface and rear end face before the tester through four protection pieces when the tester drops carelessly, and finally, because of the plug that the left end face grafting of tester has one to be used for the tester to charge, the top terminal surface and the bottom terminal surface of plug respectively with the inboard elastic contact of two protection pieces in left side, two protection pieces in left side have constituteed the structure of supporting tightly of plug jointly, can reduce the probability that the plug is not hard up and drops from the tester this moment.
Through the arrangement of the resistor and the contact plate, the resistor is arranged on the right end face of the inner wall of the mounting seat and is electrically connected with the connecting cable; the tester is internally provided with a converter, and the resistance signal can be converted into a numerical value for displaying through the converter in the use process, so that the secondary displaying is finished; the contact plate is welded at one end of the rear side of the first sliding rod and is in contact with the resistor, when the stress plate moves backwards, the first sliding rod also moves backwards, the contact position of the contact plate and the resistor is changed, and the numerical value display can be realized.
Through the arrangement of the second testing part, firstly, an elastic block for downwards resetting the second sliding rod and the second contact block is sleeved on each of the two second sliding rods, and the elastic block is of an annular rubber structure; a threaded rod is rotatably connected to the contact seat, and one end of the front side of the threaded rod is in threaded connection with a pushing block; the front end surface of the pushing block is of an inclined structure and is in contact with the second contact block, the position of the pushing block can be adjusted when the threaded rod is rotated, and the height of the second contact block can be adjusted at the moment so as to adapt to different gaps; secondly, because of the rubber sleeve that adheres to the handle department of threaded rod, rubber sleeve and contact seat elastic contact can reduce the not hard up probability of threaded rod under the elastic extrusion of contact seat this moment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is an axial view of the knee joint pressure measuring device of the present invention.
Fig. 2 is a left side view schematically showing the knee joint pressure measuring device of the present invention.
Fig. 3 is a rear view of the knee joint pressure measuring device of the present invention.
FIG. 4 is a schematic axial view of the first and second test sections of the present invention.
Fig. 5 is a schematic axial view of fig. 4 with a portion broken away according to the present invention.
Fig. 6 is a schematic top view of fig. 5 in accordance with the present invention.
Fig. 7 is a partially cut-away axial view of the invention shown in fig. 6.
FIG. 8 is a schematic axial view of a second test section of the present invention.
Fig. 9 is a partially broken away perspective view of the invention shown in fig. 8.
List of graph markers
1. A tester; 101. a display screen; 102. pressing a key; 103. a protection block; 104. a plug; 105. connecting a cable; 2. a first test portion; 201. a mounting seat; 202. a sliding seat; 203. a first slide bar; 204. mounting blocks; 205. a stress plate; 206. an elastic member; 207. an indicator needle; 208. a resistor; 209. a contact plate; 3. a second test portion; 301. a first contact block; 302. a contact base; 303. a contact lever; 304. a second slide bar; 305. a second contact block; 306. an elastic block; 307. a threaded rod; 308. a pushing block; 309. a rubber sleeve.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples.
Example (b): please refer to fig. 1 to fig. 9:
the invention provides a knee joint pressure measuring device for total knee joint replacement, which comprises: a tester 1, a first test part 2 and a second test part 3;
the tester 1 is provided with a display screen 101, and the tester 1 is also provided with a key 102;
the first testing part 2 consists of a mounting seat 201, a sliding seat 202, a first sliding rod 203, a mounting block 204, a stress plate 205, an elastic piece 206, an indicating needle 207, a resistor 208 and a contact plate 209, wherein the sliding seat 202 is welded in the mounting seat 201;
the tester 1 is connected with a connecting cable 105, and the connecting cable 105 is electrically connected with the mounting seat 201;
the second testing part 3 is composed of a first contact block 301, a contact base 302, a contact rod 303, a second sliding rod 304, a second contact block 305, an elastic block 306, a threaded rod 307, a pushing block 308 and a rubber sleeve 309, wherein the first contact block 301 is installed on the front end face of the installation base 201.
Wherein, 1 left end face of tester and right-hand member face all adhere to two protection piece 103, and four protection piece 103 are the rubber material, and four protection piece 103 have constituteed the protective structure of 1 left end face of tester and right-hand member face jointly, can realize the buffering protection through four protection piece 103 when tester 1 drops carelessly.
The four protection blocks 103 are all of an L-shaped structure, the bottom end faces of the inner walls of the upper two protection blocks 103 are in adhesion connection with the top end face of the tester 1, the top end faces of the inner walls of the lower two protection blocks 103 are in adhesion connection with the bottom end face of the tester 1, and collision protection of the top end face and the bottom end face of the tester 1 can be achieved through the four protection blocks 103 in the using process.
Wherein, the preceding terminal surface of four protection pieces 103 is located the front side position of terminal surface before the tester 1, and the rear end face of four protection pieces 103 is located the rear side position of tester 1 rear end face, can realize the protection of terminal surface and rear end face before the tester 1 through four protection pieces 103 when tester 1 drops carelessly.
The left end face of the tester 1 is inserted with a plug 104 for charging the tester 1, the top end face and the bottom end face of the plug 104 are respectively in elastic contact with the inner sides of the two protection blocks 103 on the left side, and the two protection blocks 103 on the left side jointly form a butting structure of the plug 104, so that the probability that the plug 104 loosens and falls off from the tester 1 can be reduced.
The sliding seat 202 is connected with a first sliding rod 203 in a sliding mode, one end of the front side of the first sliding rod 203 is welded with an installation block 204, the front end face of the installation block 204 is welded with a stress plate 205, and the front end face of the stress plate 205 is of an inclined structure;
an elastic piece 206 used for resetting the first sliding rod 203 and the mounting block 204 forwards is sleeved on the first sliding rod 203, and the elastic piece 206 is a spiral spring;
the installation block 204 is fixedly connected with an indicator needle 207, the indicator needle 207 is aligned with the scale position on the installation base 201, the installation block 204 is also displaced when the stress plate 205 is displaced in the use process, and data indication can be carried out through the indicator needle 207.
The contact base 302 is a T-shaped structure, and the contact base 302 is slidably connected to the mounting base 201;
the bottom end face of the contact base 302 is fixedly connected with a contact rod 303, and the contact rod 303 is connected to the mounting base 201 in a sliding manner; the bottom end face of the contact rod 303 is polished, and the bottom end face of the contact rod 303 is of an arc-shaped structure after polishing;
the bottom end surface of the contact rod 303 contacts with the front end surface of the force-bearing plate 205, and when the contact rod 303 moves downward, the force-bearing plate 205 is in a backward movement state, and at this time, data indication is realized.
Wherein, a resistor 208 is installed on the right end face of the inner wall of the installation seat 201, and the resistor 208 is electrically connected with the connecting cable 105; a converter is arranged in the tester 1, and the resistance signal can be converted into a numerical value for displaying through the converter in the using process, and the displaying is finished again at the moment;
a contact plate 209 is welded at one end of the rear side of the first sliding rod 203, the contact plate 209 is in contact with the resistor 208, when the stress plate 205 moves backwards, the first sliding rod 203 also moves backwards, and at the moment, the contact position of the contact plate 209 and the resistor 208 is changed, and the numerical value display can be realized.
Wherein, sliding connection has two second slide bars 304 on the contact base 302, two second slide bars 304 top end face all with second contact piece 305 bottom end face fixed connection, joint gap measurement structure has been constituteed jointly to second contact piece 305 and first contact piece 301, when using, with second contact piece 305 and first contact piece 301 and joint gap contact, can carry out the test of joint gap department this moment, can realize the extrusion of second contact piece 305 when the joint rotates, and then also realized the extrusion of atress board 205, realize the measurement when the joint rotates to different positions this moment.
Wherein, the two second sliding rods 304 are sleeved with an elastic block 306 for the downward resetting of the second sliding rods 304 and the second contact block 305, and the elastic block 306 is of an annular rubber structure;
a threaded rod 307 is rotatably connected to the contact base 302, and a pushing block 308 is connected to one end of the front side of the threaded rod 307 in a threaded manner;
the front end face of the pushing block 308 is an inclined structure, the front end face of the pushing block 308 is in contact with the second contact block 305, when the threaded rod 307 is rotated, the position adjustment of the pushing block 308 can be realized, and at the moment, the height adjustment of the second contact block 305 is realized, so that the device is suitable for different gaps.
The rubber sleeve 309 is adhered to the handle of the threaded rod 307, and the rubber sleeve 309 is in elastic contact with the contact base 302, so that the probability of loosening of the threaded rod 307 can be reduced under the elastic extrusion of the contact base 302.
The specific use mode and function of the embodiment are as follows:
during testing, firstly, the first contact block 301 and the second contact block 305 are in contact with the knee joint of a patient, then the threaded rod 307 is rotated, the pushing block 308 is driven by the threaded rod 307 to move forwards, the second contact block 305 moves upwards under the extrusion of the pushing block 308 until the second contact block 305 is in contact with the femur, then the tibia is rotated to measure, at the moment, the second contact block 305 is extruded, at the moment, the second contact block 305 drives the contact rod 303 to move downwards, at the moment, the contact rod 303 extrudes the stress plate 205 to move backwards, and at the moment, numerical indication can be carried out through the indicating needle 207;
meanwhile, because the right end face of the inner wall of the mounting seat 201 is provided with the resistor 208, the resistor 208 is electrically connected with the connecting cable 105; the tester 1 is internally provided with a converter, and a resistance signal can be converted into a numerical value for displaying through the converter in the using process, so that secondary displaying is finished; a contact plate 209 is welded at one end of the rear side of the first sliding rod 203, the contact plate 209 is in contact with the resistor 208, when the stress plate 205 moves backwards, the first sliding rod 203 also moves backwards, and at the moment, the contact position of the contact plate 209 and the resistor 208 is changed, so that the numerical value display can be realized;
in the use process, because the left end face and the right end face of the tester 1 are both adhered with the two protection blocks 103, the four protection blocks 103 are made of rubber, the four protection blocks 103 jointly form a protection structure of the left end face and the right end face of the tester 1, and when the tester 1 accidentally drops, the four protection blocks 103 can realize buffer protection; because the four protection blocks 103 are all of L-shaped structures, the bottom end surfaces of the inner walls of the upper two protection blocks 103 are in adhesion connection with the top end surface of the tester 1, and the top end surfaces of the inner walls of the lower two protection blocks 103 are in adhesion connection with the bottom end surface of the tester 1, collision protection of the top end surface and the bottom end surface of the tester 1 can be realized through the four protection blocks 103 in the using process; because the front end surfaces of the four protection blocks 103 are positioned at the front side of the front end surface of the tester 1, and the rear end surfaces of the four protection blocks 103 are positioned at the rear side of the rear end surface of the tester 1, when the tester 1 falls carelessly, the protection of the front end surface and the rear end surface of the tester 1 can be realized through the four protection blocks 103; because the two second sliding rods 304 are sleeved with the elastic block 306 for the downward resetting of the second sliding rods 304 and the second contact block 305, the elastic block 306 is of an annular rubber structure; a threaded rod 307 is rotatably connected to the contact base 302, and a pushing block 308 is connected to one end of the front side of the threaded rod 307 in a threaded manner; the front end surface of the pushing block 308 is of an inclined structure, the front end surface of the pushing block 308 is in contact with the second contact block 305, when the threaded rod 307 is rotated, the position adjustment of the pushing block 308 can be realized, and the height adjustment of the second contact block 305 is realized at the moment so as to be suitable for different gaps; because the rubber sleeve 309 is adhered to the handle of the threaded rod 307, the rubber sleeve 309 is elastically contacted with the contact base 302, and the probability of loosening the threaded rod 307 can be reduced under the elastic extrusion of the contact base 302;
during charging, because the left end face of the tester 1 is inserted with the plug 104 for charging the tester 1, the top end face and the bottom end face of the plug 104 are respectively in elastic contact with the inner sides of the two protection blocks 103 on the left side, and the two protection blocks 103 on the left side jointly form a butting structure of the plug 104, the probability that the plug 104 is loosened and falls off from the tester 1 can be reduced.

Claims (10)

1. A knee joint pressure measurement device for total knee arthroplasty, comprising: a tester (1), a first test part (2) and a second test part (3); the tester (1) is provided with a display screen (101), and the tester (1) is also provided with a key (102); the left end face and the right end face of the tester (1) are both adhered with two protection blocks (103), the four protection blocks (103) are all made of rubber, and the four protection blocks (103) jointly form a protection structure of the left end face and the right end face of the tester (1); the first testing part (2) consists of a mounting seat (201), a sliding seat (202), a first sliding rod (203), a mounting block (204), a stress plate (205), an elastic piece (206), an indicating needle (207), a resistor (208) and a contact plate (209), wherein the sliding seat (202) is welded in the mounting seat (201); the tester (1) is connected with a connecting cable (105), and the connecting cable (105) is electrically connected with the mounting seat (201); the second testing part (3) is composed of a first contact block (301), a contact base (302), a contact rod (303), a second sliding rod (304), a second contact block (305), an elastic block (306), a threaded rod (307), a pushing block (308) and a rubber sleeve (309), and the first contact block (301) is installed on the front end face of the installation base (201).
2. The knee joint pressure measurement device for total knee arthroplasty as set forth in claim 1, wherein: the four protection blocks (103) are of L-shaped structures, the bottom end surfaces of the inner walls of the upper two protection blocks (103) are in adhesion connection with the top end surface of the tester (1), and the top end surfaces of the inner walls of the lower two protection blocks (103) are in adhesion connection with the bottom end surface of the tester (1).
3. The knee joint pressure measurement device for total knee arthroplasty according to claim 1, wherein: the front end faces of the four protection blocks (103) are located at the front side positions of the front end faces of the tester (1), and the rear end faces of the four protection blocks (103) are located at the rear side positions of the rear end faces of the tester (1).
4. The knee joint pressure measurement device for total knee arthroplasty as set forth in claim 1, wherein: the left end face of the tester (1) is inserted with a plug (104) for charging the tester (1), the top end face and the bottom end face of the plug (104) are respectively in elastic contact with the inner sides of the two protection blocks (103) on the left side, and the two protection blocks (103) on the left side jointly form a butting structure of the plug (104).
5. The knee joint pressure measurement device for total knee arthroplasty as set forth in claim 1, wherein: the sliding seat (202) is connected with a first sliding rod (203) in a sliding mode, one end of the front side of the first sliding rod (203) is welded with an installation block (204), the front end face of the installation block (204) is welded with a stress plate (205), and the front end face of the stress plate (205) is of an inclined structure;
an elastic piece (206) used for resetting the first sliding rod (203) and the mounting block (204) forwards is sleeved on the first sliding rod (203), and the elastic piece (206) is a spiral spring;
an indicating needle (207) is fixedly connected to the mounting block (204), and the indicating needle (207) is aligned with the scale position on the mounting base (201).
6. The knee joint pressure measurement device for total knee arthroplasty according to claim 1, wherein: the contact base (302) is of a T-shaped structure, and the contact base (302) is connected to the mounting base (201) in a sliding mode;
the bottom end face of the contact base (302) is fixedly connected with a contact rod (303), and the contact rod (303) is connected to the mounting base (201) in a sliding mode; the bottom end surface of the contact rod (303) is polished, and the bottom end surface of the contact rod (303) is of an arc-shaped structure after polishing;
the bottom end face of the contact rod (303) is in contact with the front end face of the stress plate (205), and when the contact rod (303) moves downwards, the stress plate (205) is in a backward moving state.
7. The knee joint pressure measurement device for total knee arthroplasty as set forth in claim 1, wherein: a resistor (208) is installed on the right end face of the inner wall of the installation seat (201), and the resistor (208) is electrically connected with the connecting cable (105); a converter is arranged in the tester (1);
a contact plate (209) is welded at one end of the rear side of the first sliding rod (203), the contact plate (209) is in contact with the resistor (208), when the stress plate (205) moves backwards, the first sliding rod (203) is in a backwards moving state, and at the moment, the contact position of the contact plate (209) and the resistor (208) is changed.
8. The knee joint pressure measurement device for total knee arthroplasty as set forth in claim 1, wherein: the contact base (302) is connected with two second sliding rods (304) in a sliding mode, the top end faces of the two second sliding rods (304) are fixedly connected with the bottom end face of a second contact block (305), and the second contact block (305) and the first contact block (301) jointly form a joint gap measuring structure.
9. The knee joint pressure measurement device for total knee arthroplasty as set forth in claim 1, wherein: the two second sliding rods (304) are respectively sleeved with an elastic block (306) for downward resetting of the second sliding rods (304) and the second contact block (305), and the elastic blocks (306) are of annular rubber structures;
a threaded rod (307) is rotatably connected to the contact base (302), and a pushing block (308) is connected to one end of the front side of the threaded rod (307) in a threaded manner;
the front end surface of the pushing block (308) is of an inclined structure, the front end surface of the pushing block (308) is in contact with the second contact block (305), and when the threaded rod (307) is rotated, the position adjustment of the pushing block (308) can be realized.
10. The knee joint pressure measurement device for total knee arthroplasty as set forth in claim 1, wherein: a rubber sleeve (309) is adhered to the handle of the threaded rod (307), and the rubber sleeve (309) is in elastic contact with the contact base (302).
CN202211586870.2A 2022-12-09 2022-12-09 Knee joint pressure measuring device for total knee joint replacement Pending CN115813345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211586870.2A CN115813345A (en) 2022-12-09 2022-12-09 Knee joint pressure measuring device for total knee joint replacement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211586870.2A CN115813345A (en) 2022-12-09 2022-12-09 Knee joint pressure measuring device for total knee joint replacement

Publications (1)

Publication Number Publication Date
CN115813345A true CN115813345A (en) 2023-03-21

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Application Number Title Priority Date Filing Date
CN202211586870.2A Pending CN115813345A (en) 2022-12-09 2022-12-09 Knee joint pressure measuring device for total knee joint replacement

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117168989A (en) * 2023-11-02 2023-12-05 南通创佳机电有限公司 Compression stress tester for aluminum shell of capacitor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117168989A (en) * 2023-11-02 2023-12-05 南通创佳机电有限公司 Compression stress tester for aluminum shell of capacitor
CN117168989B (en) * 2023-11-02 2024-04-05 南通创佳机电有限公司 Compression stress tester for aluminum shell of capacitor

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