CN114432014A - Single condyle electronic test pad - Google Patents
Single condyle electronic test pad Download PDFInfo
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- CN114432014A CN114432014A CN202210065783.6A CN202210065783A CN114432014A CN 114432014 A CN114432014 A CN 114432014A CN 202210065783 A CN202210065783 A CN 202210065783A CN 114432014 A CN114432014 A CN 114432014A
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- pressure
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- sensing plate
- test pad
- pressure sensing
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 210000000629 knee joint Anatomy 0.000 claims abstract description 62
- 230000033001 locomotion Effects 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 238000012545 processing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 16
- 238000002513 implantation Methods 0.000 abstract description 11
- 230000006698 induction Effects 0.000 abstract description 11
- 238000011156 evaluation Methods 0.000 abstract description 7
- 210000000988 bone and bone Anatomy 0.000 description 10
- 210000002303 tibia Anatomy 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 210000004872 soft tissue Anatomy 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 108010048734 sclerotin Proteins 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/461—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of knees
-
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4657—Measuring instruments used for implanting artificial joints
-
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4657—Measuring instruments used for implanting artificial joints
- A61F2002/4666—Measuring instruments used for implanting artificial joints for measuring force, pressure or mechanical tension
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to a unicondylar electronic test pad, relate to artificial joint's field, it includes pressure-sensitive board and display, pressure-sensitive board internal fixation is provided with a plurality of forced induction component, a plurality of forced induction component is along the plane distribution of pressure-sensitive board, the forced induction component is used for detecting the pressure that receives on the different positions of pressure-sensitive board, the display is fixed to be set up in the one end of pressure-sensitive board, the display internal fixation is provided with the arithmetic unit, the arithmetic unit is used for receiving the pressure detection signal, and carry out the operation to the pressure detection signal and handle, the motion trail data of knee joint prosthesis is obtained, a plurality of forced induction component all is connected with the display electricity, the display is used for showing the pressure data that the forced induction component measured and the motion trail data of prosthesis. The knee joint motion trail can be measured, so that the accuracy of prosthesis implantation effect evaluation is improved, and the treatment effect of a patient is further improved.
Description
Technical Field
The application relates to the field of artificial joints, in particular to a single-condyle electronic test pad.
Background
At present, to the patient of knee joint medial-lateral compartment replacement, the activity platform liner can only be used for the patient of treatment medial osteoarthritis on the market at present, if the physician misoperation in art or patient's own surrounding soft tissue are pine, will lead to the risk that takes place the dislocation after the implantation of activity unicondylar knee joint liner, to this kind of condition, general doctor can choose to use the replacement of full knee joint, stop the emergence of prosthesis dislocation, but the replacement of full knee joint will cause unnecessary too much osteotomy, get rid of high-quality sclerotin, consequently, need detect the implantation condition of unicondylar knee joint liner.
In order to determine whether the knee joint gasket is reasonably installed clinically, a clearance test pad, a shin bone platform test pad or a total knee joint electronic test pad is generally adopted, and when the clearance test pad is used, whether the bending clearance and the stretching clearance of a patient are equal is measured, so that whether the bending clearance and the stretching clearance are balanced is judged, but whether the soft tissue tension of the knee joint is proper or not needs a doctor to judge autonomously; the tibial platform test pad is used for evaluating the motion track of the tibial platform pad, namely, whether the test pad collides with the wall of the tibial platform is determined, if yes, the motion track of the pad is problematic, but the instrument needs to reset the tibial platform support and then evaluate the femoral condyle, and a doctor needs to judge the motion track; the whole knee joint electronic test pad is used for evaluating whether the soft tissue tension of the knee joint is proper or not, but cannot measure the motion condition of the knee joint and is not suitable for the unicondylar knee joint prosthesis.
Disclosure of Invention
In order to measure the motion trail of the knee joint, thereby improving the accuracy of the evaluation of the implantation effect of the prosthesis and further improving the treatment effect of the patient, the application provides a single-condyle electronic test pad.
The application provides a single condyle electronic test pad, adopts following technical scheme:
the utility model provides a unicondylar electronic test pad, including pressure-sensitive board and display, pressure-sensitive board internal fixation is provided with a plurality of forced induction component, the planar distribution of pressure-sensitive board is followed to a plurality of forced induction component, the forced induction component is used for detecting the pressure that receives on the different positions of pressure-sensitive board, the display is fixed to be set up in the one end of pressure-sensitive board, the display internal fixation is provided with the arithmetic unit, the arithmetic unit is used for receiving the pressure detection signal, and carry out the operation processing to the pressure detection signal, obtain the motion trail data of knee joint prosthesis, a plurality of forced induction component all is connected with the display electricity, the display is used for showing the motion trail data of pressure data that the forced induction component measured and prosthesis.
Through adopting above-mentioned technical scheme, in the use, place the pressure-sensitive plate in the knee joint, the knee joint produces pressure to the pressure-sensitive plate, a plurality of pressure-sensitive element detects the pressure that the different positions on the pressure-sensitive plate received, the arithmetic unit calculates the pressure data that the pressure-sensitive element measured, the display shows the pressure data that record and the motion trail data of false body, thereby electronic examination pad can be through the soft tissue tension of pressure-sensitive element measurement patient, and can directly perceivedly judge whether the clearance of flexion and extension of patient's knee joint equals through pressure detection, the intuitional display of while display makes the doctor in the learning phase go on hand more easily. Meanwhile, the movement track data of the knee joint gasket is obtained through the accurate calculation of the operation unit and is visually displayed by the display, so that a doctor can judge whether the gasket is impacted in advance, the accuracy of prosthesis implantation effect evaluation is improved, the prosthesis is not easy to dislocate when the unicondylar knee joint prosthesis is implanted, the total knee joint replacement operation caused by the falling of the prosthesis is reduced, the bone of the body can be reserved to the maximum extent when a patient is osteotomy in the knee joint replacement operation, the operation difficulty is greatly reduced, and the postoperative recovery time of the patient is shortened; and the accurate judgment of the motion trail of the prosthesis also reduces the abrasion of the original bone on the other side after the unicondylar prosthesis is implanted, avoids unnecessary prosthesis repair and further improves the treatment effect of the patient.
Optionally, the pressure-sensitive plate is sheet-shaped, one end of the pressure-sensitive plate in the width direction is arc-shaped, and the other end of the pressure-sensitive plate in the width direction is linear.
Through adopting above-mentioned technical scheme, set up to the arc through setting up pressure sensing board width direction one end, the other end sets up to the straight line for when the patient carries out the unicondylar prosthesis replacement operation, the shape of pressure sensing board suits with the unicondylar shape of human knee joint, has promoted the accuracy nature of the adaptation of unicondylar electronic test pad and human joint, thereby has promoted the accuracy nature of the determination to knee joint liner motion trail.
Optionally, a cushion block with the same shape as the pressure sensing plate is arranged on one side of the pressure sensing plate, and the cushion block is detachably connected with the pressure sensing plate.
Through adopting above-mentioned technical scheme, when patient's shin bone osteotomy volume is great, the pressure-sensitive plate can not laminate completely with patient's knee joint, through the setting of cushion, has increased the thickness of trying the pad for try the pad and can be applicable to the patient that the osteotomy volume is great, has promoted the accuracy to the testing result when the osteotomy volume is great.
Optionally, the spacer block has several thickness specifications.
By adopting the technical scheme, the cushion blocks are set to be different in thickness specifications, the cushion blocks with different specifications are selected for patients with different osteotomy amounts, the accuracy of prosthesis implantation effect evaluation of different patients is improved, and the application range of the trial cushion is enlarged.
Optionally, a clamping block is fixedly arranged on one side of the cushion block, a clamping groove matched with the clamping block for use is formed in the pressure sensing plate, and the clamping block is clamped in the clamping groove.
Through adopting above-mentioned technical scheme, through the setting of fixture block and draw-in groove for realized being connected with dismantling of cushion and pressure-sensitive plate, in the use, can conveniently change the cushion specification according to the patient's condition, promoted the convenience of electron examination pad in the use.
Optionally, one end of the pressure sensing plate, which is close to the display, is fixedly provided with a strip-shaped connecting portion, one end of the connecting portion is fixedly connected with the pressure sensing plate, and the other end of the connecting portion is fixedly connected with the display.
Through adopting above-mentioned technical scheme, in the use, pressure-sensitive plate is located patient's knee joint, connecting portion and display are located the patient external, one section distance of interval play between setting up of connecting portion and making display and the pressure-sensitive plate, the convenience of watching display data has been promoted, the in-process of putting into patient's knee joint with pressure-sensitive plate is made in setting up of connecting portion simultaneously, medical personnel can hold connecting portion and operate, the convenience of medical personnel's operation has been promoted.
Optionally, the pressure sensing element is a hall pressure sensor.
Through adopting above-mentioned technical scheme, hall formula pressure sensor compares in other sensors, has characteristics small, long service life, that the reliability is high, through setting up the forced induction component into hall formula pressure sensor, has promoted the accuracy of electron examination pad testing result.
In summary, the present application includes at least one of the following beneficial technical effects:
through the arrangement of the pressure sensing elements and the display, the motion trail data of the knee joint gasket can be visually displayed, whether the gasket is impacted or not is judged in advance, and therefore the accuracy of prosthesis implantation effect evaluation is improved, the prosthesis is not prone to dislocation when the unicondylar knee joint prosthesis is implanted, the total knee joint replacement operation caused by the fact that the prosthesis is prevented from falling off is reduced, the bone of a body can be reserved to the maximum degree when a patient is subjected to osteotomy in the knee joint replacement operation, the operation difficulty is greatly reduced, and the postoperative recovery time of the patient is shortened; the accurate judgment of the motion trail of the prosthesis also reduces the abrasion of the original bone on the other side after the unicondylar prosthesis is implanted, avoids unnecessary prosthesis repair and further improves the treatment effect of the patient;
one end of the pressure sensing plate in the width direction is arranged to be arc-shaped, and the other end of the pressure sensing plate is arranged to be linear, so that when a patient carries out unicondylar prosthesis replacement surgery, the shape of the pressure sensing plate is matched with the unicondylar shape of the human knee joint, the accuracy of the matching of the unicondylar electronic test pad and the human joint is improved, and the accuracy of the determination of the motion trail of the knee joint pad is improved;
the cushion blocks are set to be in different thickness specifications, and the cushion blocks in different specifications are selected for patients with different osteotomy amounts, so that the accuracy of prosthesis implantation effect evaluation of different patients is improved, and the application range of the trial cushion is expanded.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application intended to show a measurement substrate;
FIG. 3 is a circuit control diagram of a Hall pressure sensor and a display according to an embodiment of the present application;
fig. 4 is an exploded view of an embodiment of the present application.
Description of reference numerals: 1. measuring the substrate; 11. a pressure sensing plate; 111. a Hall type pressure sensor; 112. a card slot; 12. a display; 13. a connecting portion; 2. cushion blocks; 21. and (7) clamping blocks.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The knee joint prosthesis comprises a total knee joint prosthesis and a unicondylar knee joint prosthesis, and the occurrence of dislocation of the prosthesis can be avoided after the total knee joint prosthesis is replaced, but the total knee joint replacement can cause large bone cutting amount and long recovery period of a patient; the unicondylar knee joint prosthesis can reduce the bone cutting amount, but improper operation of a doctor or loose soft tissue of the knee joint of a patient can cause the risk of dislocation of the movable unicondylar knee joint liner after implantation.
The embodiment of the application discloses a unicondylar electronic test pad, which can predict the motion trail of a unicondylar knee joint prosthesis and detect the implantation condition of the unicondylar knee joint prosthesis.
Referring to fig. 1, the unicondylar electronic test pad comprises a measuring base body 1 and a cushion block 2, wherein the cushion block 2 is arranged on one side of the measuring base body 1, the measuring base body 1 is used for detecting the motion track of the knee joint of a patient, and the cushion block 2 is used for enabling the measuring base body 1 to be matched with the conditions of the patients with different osteotomy amounts.
Referring to fig. 1, the measurement substrate 1 includes a pressure sensing plate 11, the pressure sensing plate 11 is in a sheet shape, one end of the pressure sensing plate 11 in the width direction is in an arc shape, the other end of the pressure sensing plate 11 in the width direction is in a straight line shape, and the edge of the pressure sensing plate 11 is in an arc shape. During the use, put into patient's knee joint with pressure-sensitive plate 11 in, pressure-sensitive plate 11's shape and the adaptation of human knee joint's unicondylar shape for pressure-sensitive plate 11's measuring result is more accurate, and pressure-sensitive plate 11 edge is circular-arc, has reduced the in-process of putting into patient's knee joint with pressure-sensitive plate 11 and has harmd the patient.
Referring to fig. 2, a plurality of hall type pressure sensors 111 are fixedly disposed in the pressure sensing plate 11, the plurality of hall type pressure sensors 111 are distributed along the plane of the pressure sensing plate 11, and the pressure sensing elements are used for detecting pressures applied to different positions of the pressure sensing plate 11.
Referring to fig. 1 and 3, the measurement substrate 1 further includes a display 12, the display 12 is fixedly disposed at one end of the pressure sensing plate 11, a length direction of the display 12 is perpendicular to a length direction of the pressure sensing plate 11, the hall-type pressure sensors 111 are electrically connected to the display 12, an arithmetic unit is fixedly disposed in the display 12, the arithmetic unit is configured to receive the pressure detection signal and perform arithmetic processing on the pressure detection signal to obtain movement track data of the knee joint prosthesis, the display 12 is configured to display the pressure data detected by the hall-type pressure sensors 111 and display the movement track data obtained by the arithmetic unit, a strip-shaped connecting portion 13 is fixedly disposed between the display 12 and the pressure sensing plate 11, a length direction of the connecting portion 13 is the same as a length direction of the pressure sensing plate 11, one end of the connecting portion 13 is fixedly connected to the pressure sensing plate 11, and the other end is fixedly connected with the display 12.
During the use, medical personnel hold connecting portion 13 and operate the examination pad, place pressure-sensitive plate 11 in patient's knee joint, connecting portion 13 and display 12 all are located the patient externally, the pressure that different positions on a plurality of hall formula pressure sensor 111 to pressure-sensitive plate 11 received detects, patient's ligament tension can be measured according to the pressure value of measurement, and whether can directly perceivedly judge the clearance of stretching of patient's knee joint equals, display 12 carries out the visual display with the pressure data that hall formula pressure sensor 111 surveyed on different positions simultaneously, make the doctor in the learning phase go on hand more easily.
Meanwhile, the operation unit can receive the pressure detection signal and perform operation processing on the pressure detection signal, so that the motion trail data of the knee joint gasket can be accurately and visually obtained, whether the gasket is impacted or not is judged in advance, the accuracy of prosthesis implantation effect evaluation is improved, the prosthesis is not prone to dislocation when the unicondylar knee joint prosthesis is implanted, the total knee joint replacement operation caused by prosthesis falling is reduced, the bone of the body can be reserved to the greatest extent when a patient is subjected to bone cutting in the knee joint replacement operation, the operation difficulty is greatly reduced, and the postoperative recovery time of the patient is shortened; and the accurate judgment of the motion trail of the prosthesis also reduces the abrasion of the original bone on the other side after the unicondylar prosthesis is implanted, avoids unnecessary prosthesis repair and further improves the treatment effect of the patient.
Referring to fig. 4, the shape of the cushion block 2 is the same as that of the pressure sensing plate 11, the cushion block 2 has different thickness specifications, a plurality of clamping blocks 21 are fixedly arranged at the edge of one side of the cushion block 2, a clamping groove 112 matched with the clamping blocks 21 for use is formed in the pressure sensing plate 11, the clamping groove 112 penetrates through the thickness of the pressure sensing plate 11, the clamping blocks 21 are clamped in the clamping groove 112, and the cushion block 2 is clamped with the pressure sensing plate 11.
During the use, select the cushion 2 of different thickness specifications according to patient's shin bone osteotomy volume for the electron tries the cushion and can satisfy the patient of different shin bone osteotomy volumes, has promoted the accuracy of measuring the patient knee joint prosthesis motion trail of different shin bone osteotomy volumes. During the installation, insert the draw-in groove 112 that pressure-sensitive plate 11 corresponds with fixed fixture block 21 on the cushion 2 of selecting for cushion 2 and pressure-sensitive plate 11 joint, thereby it is fixed with cushion 2 and pressure-sensitive plate 11.
The implementation principle of the single-condyle electronic test pad provided by the embodiment of the application is as follows: when the test pad is used, firstly, the cushion blocks 2 with different thickness specifications are selected according to the tibia osteotomy amount of a patient, and then the cushion blocks 2 are clamped with the pressure sensing plate 11, so that the cushion blocks 2 are installed on the pressure sensing plate 11, the thickness of the pressure sensing plate 11 is changed, and the test pad can be matched with different tibia osteotomy amount conditions; then hold connecting portion 13, place pressure-sensitive plate 11 in patient's knee joint, hall formula pressure sensor 111 in pressure-sensitive plate 11 carries out pressure measurement to patient's knee joint's different positions, and data transmission to display 12 that will measure the result, thereby can observe the pressure condition of different positions in patient's knee joint directly perceivedly according to display 12, and judge the motion trail of knee joint liner through the distribution stress concentration point that shows pressure directly perceived, judge in advance whether the liner can take place the striking, thereby the accuracy of effect aassessment is implanted to the false body has been promoted, thereby when cutting the bone to the patient in the knee joint replacement art, can accurately judge the osteotomy volume, the at utmost remains the sclerotin of patient's body.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A kind of unicondylar electronic test pad, characterized by: including pressure-sensitive board (11) and display (12), pressure-sensitive board (11) internal fixation is provided with a plurality of pressure-sensitive element, a plurality of pressure-sensitive element is along the planar distribution of pressure-sensitive board (11), pressure-sensitive element is used for detecting the pressure that receives on pressure-sensitive board (11) the different positions, display (12) are fixed to be set up in the one end of pressure-sensitive board (11), display (12) internal fixation is provided with the arithmetic unit, the arithmetic unit is used for receiving the pressure detection signal, and carry out the arithmetic processing to the pressure detection signal, obtain the motion trail data of knee joint prosthesis, a plurality of pressure-sensitive element all is connected with display (12) electricity, display (12) are used for showing the pressure data that pressure-sensitive element surveyed and the motion trail data of prosthesis.
2. The unicondylar electronic test pad of claim 1, wherein: the pressure sensing plate (11) is in a sheet shape, one end of the pressure sensing plate (11) in the width direction is in an arc shape, and the other end of the pressure sensing plate in the width direction is in a linear shape.
3. The unicondylar electronic test pad of claim 2, wherein: one side of the pressure sensing plate (11) is provided with a cushion block (2) with the same shape as the pressure sensing plate (11), and the cushion block (2) is detachably connected with the pressure sensing plate (11).
4. The unicondylar electronic test pad of claim 3, wherein: the cushion block (2) has a plurality of thickness specifications.
5. The uni-condylar electronic test pad of claim 3 in which: a clamping block (21) is fixedly arranged on one side of the cushion block (2), a clamping groove (112) matched with the clamping block (21) for use is formed in the pressure sensing plate (11), and the clamping block (21) is clamped in the clamping groove (112).
6. The unicondylar electronic test pad of claim 1, wherein: one end, close to the display (12), of the pressure sensing plate (11) is fixedly provided with a long-strip-shaped connecting portion (13), one end of the connecting portion (13) is fixedly connected with the pressure sensing plate (11), and the other end of the connecting portion is fixedly connected with the display (12).
7. The unicondylar electronic test pad of claim 1, wherein: the pressure sensing element is a Hall pressure sensor (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210065783.6A CN114432014A (en) | 2022-01-20 | 2022-01-20 | Single condyle electronic test pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210065783.6A CN114432014A (en) | 2022-01-20 | 2022-01-20 | Single condyle electronic test pad |
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| Publication Number | Publication Date |
|---|---|
| CN114432014A true CN114432014A (en) | 2022-05-06 |
Family
ID=81368238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210065783.6A Pending CN114432014A (en) | 2022-01-20 | 2022-01-20 | Single condyle electronic test pad |
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| CN (1) | CN114432014A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884542A (en) * | 2010-01-18 | 2010-11-17 | 清华大学 | Total knee replacement pressure balance measuring system |
| US20130079669A1 (en) * | 2011-09-23 | 2013-03-28 | Orthosensor | Small form factor muscular-skeletal parameter measurement system |
| CN107242907A (en) * | 2017-07-26 | 2017-10-13 | 北京易迈医疗科技有限公司 | Knee joint unicondylar pressure measuring device and system |
| CN111067675A (en) * | 2019-12-31 | 2020-04-28 | 牛依芃 | Knee joint unicondylar pressure and frictional force measuring device |
| CN212729804U (en) * | 2020-04-29 | 2021-03-19 | 北京市春立正达医疗器械股份有限公司 | Electronic test pad pressure sensor |
-
2022
- 2022-01-20 CN CN202210065783.6A patent/CN114432014A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884542A (en) * | 2010-01-18 | 2010-11-17 | 清华大学 | Total knee replacement pressure balance measuring system |
| US20130079669A1 (en) * | 2011-09-23 | 2013-03-28 | Orthosensor | Small form factor muscular-skeletal parameter measurement system |
| CN107242907A (en) * | 2017-07-26 | 2017-10-13 | 北京易迈医疗科技有限公司 | Knee joint unicondylar pressure measuring device and system |
| CN111067675A (en) * | 2019-12-31 | 2020-04-28 | 牛依芃 | Knee joint unicondylar pressure and frictional force measuring device |
| CN212729804U (en) * | 2020-04-29 | 2021-03-19 | 北京市春立正达医疗器械股份有限公司 | Electronic test pad pressure sensor |
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