CN111568611A - Gap measuring pad, knee joint pressure detection device and using method - Google Patents
Gap measuring pad, knee joint pressure detection device and using method Download PDFInfo
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- CN111568611A CN111568611A CN202010463136.1A CN202010463136A CN111568611A CN 111568611 A CN111568611 A CN 111568611A CN 202010463136 A CN202010463136 A CN 202010463136A CN 111568611 A CN111568611 A CN 111568611A
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- 210000000629 knee joint Anatomy 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 title claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000010365 information processing Effects 0.000 claims description 15
- 238000002513 implantation Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims 2
- 108091008698 baroreceptors Proteins 0.000 description 8
- 210000001774 pressoreceptor Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000013150 knee replacement Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000002303 tibia Anatomy 0.000 description 1
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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
- A61F2/4657—Measuring instruments used for implanting artificial joints
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- 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
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Prostheses (AREA)
Abstract
The invention relates to the technical field of knee joint replacement, in particular to a gap measuring pad, a knee joint pressure detecting device and a using method. A clearance measuring pad comprises two gaskets with different thicknesses and a connecting piece for connecting the two gaskets, wherein the model is marked on each gasket. The two gaskets with different thicknesses are connected through the connecting piece, so that the number of parts is halved under the condition that the gaskets with the same number and different thicknesses are arranged, and the taking is more convenient. Meanwhile, each pad is marked with a model number for easy identification by a user.
Description
Technical Field
The invention relates to the technical field of knee joint replacement, in particular to a gap measuring pad, a knee joint pressure detecting device and a using method.
Background
The knee joint replacement is to prepare an artificial knee joint prosthesis according to the shape, the structure and the functions of the joints of a human body, and implant the artificial knee joint prosthesis into the human body through a surgical operation to relieve the joint pain of a patient and recover the functions of the joints. Special attention is paid to the loosening of soft tissues around the tibial plateau in knee replacement surgery to ensure that the knee joint has proper tightness and the pressure level is within a proper range.
The former method is to measure the straightening position gap by using gap measuring pads with different thicknesses, has no accurate measurement standard, and can be judged only according to the experience and feeling of an operator for many years when the operator tests.
The prior patent with the publication number of CN101884542B discloses a pressure balance measuring system for artificial knee joint replacement. The system comprises a pressure acquisition device and a signal receiving and displaying device. When the system is used, the pressure acquisition device is matched with a tibial gasket (namely a gap measuring pad in the patent expression) to be used together, and when the tibial gasket with a certain thickness is not suitable for the knee joint after the bone is formed, the tibial gasket with a certain thickness is taken out and put in the tibial gasket with another thickness again. After the tibia gasket with proper thickness is placed, the pressure device acquires pressure signals, and the signal receiving and displaying device processes the received pressure signals and displays the pressure signals on the display screen.
The above prior art solutions have the following drawbacks: the large number of gap pads of different thicknesses that need to be prepared, and the great amount of gap pads that are taken out, cause the operator to spend a lot of time looking for a specific type of gap pad.
Disclosure of Invention
In view of the shortcomings of the prior art, a first object of the present invention is to provide a gap measuring pad, which is convenient to use and easy to use a specific type of gap measuring pad.
The above object of the present invention is achieved by the following technical solutions: a clearance measuring pad comprises two gaskets with different thicknesses and a connecting piece for connecting the two gaskets, wherein the model is marked on each gasket.
Through adopting above-mentioned technical scheme, connect the gasket of two different thickness through the connecting piece, under the condition that has the different thickness gaskets of the same quantity, make the quantity of part halve, it is more convenient when taking. Meanwhile, each pad is marked with a model number for easy identification by a user.
The present invention in a preferred example may be further configured to: and a positioning bulge is formed on the same side of each gasket.
Through adopting above-mentioned technical scheme, set up the protruding pad of making gasket and electron examination pad baroreceptor and can coordinate the location.
The present invention in a preferred example may be further configured to: a ROM (read only memory) is arranged in each gasket, model data are stored in the ROM, information transmission interface pins connected with the ROM are arranged on the side faces of the positioning bulges, and the parts of the information transmission interface pins extending out of the positioning blocks are arched.
By adopting the technical scheme, the model data of the gasket is stored through the ROM, the ROM is connected with the information processing module through the information transmission interface pin, and the model data of the gasket is transmitted to the information processing module
The present invention in a preferred example may be further configured to: and an avoidance groove is formed on one side of the connecting piece facing the positioning bulge.
Through adopting above-mentioned technical scheme, set up and dodge the groove and dodge the electron and try the display that fills up baroreceptor, avoid connecting piece and display to interfere.
The present invention in a preferred example may be further configured to: and a chamfer positioned on one side back to the positioning bulge is formed at one end of the gasket, which is far away from the connecting piece.
Through adopting above-mentioned technical scheme, it can be more convenient when setting up the chamfer and making the gasket insert the knee joint clearance.
It is a second object of the present invention to provide a knee joint pressure detecting apparatus using the above gap measuring pad.
The above object of the present invention is achieved by the following technical solutions: the utility model provides a knee joint pressure detection device, includes that electron tries a pad baroreceptor and above-mentioned clearance and surveys the pad, electron tries a pad baroreceptor is including continuous display and pressure pad, the display including be located the inside information processing module of display, be located the display electronic display screen of pressure pad one side dorsad and for the battery of pressure sensing module, information processing module and electronic display screen power supply, be equipped with the locating hole on the pressure pad, be equipped with information reception interface pin on the inner wall of locating hole.
Through adopting above-mentioned technical scheme, set up pressure sensing module in the pressure pad of electron examination pad baroceptor and detect knee joint pressure. The model data and the pressure information are processed through the information processing module, then the data are processed, and data information is displayed on the electronic display screen.
The present invention in a preferred example may be further configured to: the information receiving interface pin is of a concave structure matched with the information transmission interface pin.
By adopting the technical scheme, the information receiving interface pins are arranged to be concave structures to be matched with the arched information transmission interface pins, so that the electronic test pad pressure sensors and the gap test pads are connected, and the information receiving interface pins and the information transmission interface pins are stably contacted.
The present invention in a preferred example may be further configured to: the gap measuring pad is provided with a plurality of gap measuring pads, the thicknesses of all the gaskets are different, the thickness difference between any gasket and the gasket with the thickness closest to the other gasket is a fixed value, the model of the thinnest gasket is marked as 1, and the model of the other gaskets with the closest thicknesses is sequentially marked as a positive integer added with one.
By adopting the technical scheme, the gap measuring pads are sorted from thin to thick by the marks and are used as models. Therefore, the thickness difference of any two gaskets with the same model difference is equal, so that the information processing module can output the recommended model of the gap measuring gasket according to the model data and the pressure information.
The present invention in a preferred example may be further configured to: during single measurement, the display displays the detected pressure value; and when the pressure sensor is used for measuring for multiple times, the display displays the pressure value obtained by detection and the recommended model of the gap measuring pad.
Through adopting above-mentioned technical scheme, according to the pressure value that detects when measuring many times with correspond the model that uses the gasket come the calculation and can make the pressure value be in the model of suitable within range's clearance survey pad to show on the display screen, help the art person finds the model of suitable clearance survey pad fast.
The third purpose of the invention is to provide a using method of the knee joint pressure detection device.
The above object of the present invention is achieved by the following technical solutions:
a method of using the knee joint pressure detection apparatus of claim 6, comprising:
s1 Combined knee joint pressure detection device
The positioning bulge of the clearance test pad is in inserted fit with the positioning hole of the electronic test pad pressure sensor, and the information processing module reads model data stored in the ROM;
s2 knee joint implantation pressure detection device
Inserting the knee joint pressure detection device into the knee joint gap to detect the knee joint pressure;
s3, acquiring information displayed by the display
The display displays the detected knee joint pressure value; if the knee joint pressure value is in the proper range, the step S10 is carried out; if the knee joint pressure value is not in the proper range, the step S4 is carried out;
s4, replacing the clearance measuring pad
When the pressure value of the knee joint is larger than the proper range, replacing the gap measuring pad with thinner thickness; when the pressure value of the knee joint is smaller than the indicated range, replacing the gap measuring pad with thicker thickness;
s5 knee joint implantation pressure detection device
Inserting the knee joint pressure detection device into the knee joint gap to detect the knee joint pressure;
s6, acquiring information displayed by the display
The display displays the knee joint pressure value and the recommended model of the gap measuring pad; if the knee joint pressure value is in the proper range, the step S10 is carried out; if the knee joint pressure value is not in the proper range, the step S7 is carried out;
s7, replacing the clearance measuring pad
Replacing the gap measuring pad with the recommended model;
s8 knee joint implantation pressure detection device
Inserting the knee joint pressure detection device into the knee joint gap to detect the knee joint pressure;
s9, acquiring information displayed by the display
The display displays the knee joint pressure value and the recommended model of the gap measuring pad; if the knee joint pressure value is in the proper range, the step S10 is carried out; if the knee joint pressure value is not in the proper range, the step S7 is carried out;
and S10, taking out the knee joint pressure detection device.
By adopting the technical scheme, the operator can obtain the model of the gap measuring pad suitable for use through a few times of tests through the steps, so that the operator does not need to spend too long time to determine the model of the gap measuring pad suitable for use in the operation process.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the two gaskets with different thicknesses are connected through the connecting piece, the number of parts is halved under the condition that the gaskets with the same number and different thicknesses are arranged, the gasket is more convenient to take and use, and meanwhile, each gasket is marked with a model to be easy to identify by a user;
2. according to the pressure value that detects when measuring many times and the model that corresponds to use the gasket come to calculate the model that can make the pressure value be in the clearance of fit within range and survey the pad to show on the display screen, help the art person find the model of suitable clearance survey pad fast.
Drawings
FIG. 1 is a schematic diagram of a gap measurement pad;
FIG. 2 is a schematic view of another perspective of the gap pad;
FIG. 3 is a schematic structural diagram of the knee joint pressure detecting device;
fig. 4 is a schematic diagram of the construction of an electronic test pad baroreceptor.
Reference numerals: 1. a gasket; 2. a connecting member; 3. positioning the projection; 4. chamfering; 5. an avoidance groove; 6. an information transmission interface pin; 7. a gap measuring pad; 8. an electronic test pad baroreceptor; 9. a display; 10. a pressure pad; 11. positioning holes; 12. an information receiving interface pin; 13. an electronic display screen; 14. and (3) a switch structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in FIG. 1, the gap measuring pad comprises two gaskets 1 with different thicknesses and a connecting piece 2 for connecting the two gaskets 1.
As shown in figure 1, the surface of each gasket 1 is marked with a model, two positioning protrusions 3 are formed on the same side of the two gaskets 1, and a chamfer 4 positioned on one side of each positioning protrusion 3 is formed on one end, far away from the connecting piece 2, of each gasket 1. An avoiding groove 5 is formed on one side of the connecting piece 2 facing the positioning bulge 3.
As shown in fig. 1 and 2, a ROM memory is provided inside each gasket 1, and model data of the gasket 1 is stored in the ROM memory. The side of the positioning bulge 3 is provided with an information transmission interface pin 6 extending out of the positioning bulge 3, the information transmission interface pin 6 is connected with the ROM, and the part of the information transmission interface pin 6 extending out of the positioning bulge 3 is in an arch shape.
Example two:
as shown in fig. 3, a knee joint pressure detecting apparatus includes a gap pad 7 and an electronic pad baroreceptor 8.
Referring to the first embodiment, the gap measurement pad 7 is provided with a plurality of gap measurement pads 7, the thicknesses of all the gaskets 1 are different, and the thickness difference between any one gasket 1 and the other gasket 1, which is closest to the thickness difference, is a fixed value. The model number of the thinnest gasket 1 is marked as 1, and the model numbers of other gaskets 1 with the closest thickness are sequentially marked as positive integers added by one.
As shown in fig. 4, the electronic test pad baroreceptor 8 comprises a display 9 and a pressure pad 10 which are connected, and a pressure sensing module for sensing the pressure of the two side end faces is installed in the pressure pad 10; the display 9 comprises an information processing module located inside the display 9, an electronic display screen 13 located on one side of the display 9, which is opposite to the pressure pad 10, and a battery for supplying power to the pressure sensing module, the information processing module and the electronic display screen 13, and a switch structure 14 for controlling the on-off of a power supply circuit is arranged on the display 9. The side surface of the pressure pad 10 is provided with a positioning hole 11 near the left end and the right end, the positioning hole 11 is inserted and positioned with the positioning protrusion 3 on the clearance measuring pad 7, the inner wall of the positioning hole 11 is provided with an information receiving interface pin 12, and the information receiving interface pin 12 is concave to form a structure matched with the information transmission interface pin 6 to position the protrusion 3. The information receiving interface pin 12 is connected with an information processing module, and the model data of the gap measuring pad 7 is read through the information processing module.
The display 9 displays the detected pressure value at a single measurement. And when the pressure sensor is used for measuring for multiple times, the display 9 displays the detected pressure value and the recommended model of the gap measuring pad 7. Taking the middle value A of the appropriate range of the human knee joint pressure value. The type of the currently used gap test pad 7 is B, and the currently detected pressure value of the electronic test pad pressure sensor 8 is B; the type of the gap test pad 7 used last time is C, and the last pressure value detected by the electronic test pad pressure sensor 8 is C. The recommended gap measuring pad 7 is of the type a = B + [ (a-B)/(B-C) ] (B-C), rounded.
Example three:
a method of using a knee joint pressure detection apparatus, comprising:
s1 Combined knee joint pressure detection device
The positioning bulge 3 of the gap measuring pad 7 is in inserting fit with the positioning hole 11 of the electronic test pad pressure sensor 8 to form a knee joint pressure detection device in a combined mode, and the display 9 is located at the avoidance groove 5. The information transmission interface pin 6 and the information receiving interface pin 12 are connected in an abutting mode, the switch structure 14 is opened, and the information processing module reads model data stored in the ROM.
S2 knee joint implantation pressure detection device
And inserting the knee joint pressure detection device into the knee joint gap to detect the knee joint pressure.
S3, acquiring information displayed by the display 9
The display 9 displays the detected knee joint pressure value. If the knee joint pressure value is in the proper range, the step S10 is carried out; if the knee joint pressure value is not within the appropriate range, the process proceeds to step S4.
S4, replacing the gap measuring pad 7
When the pressure value of the knee joint is larger than the proper range, the gap measuring pad 7 with thinner thickness is replaced; when the pressure value of the knee joint is smaller than the indicated range, the gap measuring pad 7 with thicker thickness is replaced.
S5 knee joint implantation pressure detection device
And inserting the knee joint pressure detection device into the knee joint gap to detect the knee joint pressure.
S6, acquiring information displayed by the display 9
The display 9 displays the knee joint pressure value and the recommended model of the gap measuring pad 7. If the knee joint pressure value is in the proper range, the step S10 is carried out; if the knee joint pressure value is not within the appropriate range, the process proceeds to step S7.
S7, replacing the gap measuring pad 7
The gap measuring pad 7 of the recommended model is replaced.
S8 knee joint implantation pressure detection device
And inserting the knee joint pressure detection device into the knee joint gap to detect the knee joint pressure.
S9, acquiring information displayed by the display 9
The display 9 displays the knee joint pressure value and the recommended model of the gap measuring pad 7. If the knee joint pressure value is in the proper range, the step S10 is carried out; if the knee joint pressure value is not within the appropriate range, the process proceeds to step S7.
S10, the knee joint pressure detection device is removed, and the switch structure 14 is closed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A clearance measuring pad is characterized by comprising two gaskets (1) with different thicknesses and a connecting piece (2) for connecting the two gaskets (1), wherein each gasket (1) is marked with a model.
2. Gap measuring pad according to claim 1, characterized in that each spacer (1) is formed with positioning protrusions (3) on the same side.
3. The gap measuring pad according to claim 2, wherein a ROM memory is arranged in each pad (1), model data is stored in the ROM memory, an information transmission interface pin (6) connected with the ROM memory is arranged on the side surface of the positioning bump (3), and the part of the information transmission interface pin (6) extending out of the positioning block is in an arch shape.
4. Gap measuring pad according to claim 2, characterized in that the side of the connecting element (2) facing the positioning projection (3) is formed with an escape groove (5).
5. Gap measuring pad according to claim 2, characterized in that the end of the spacer (1) remote from the connecting piece (2) is formed with a chamfer (4) on the side facing away from the positioning projection (3).
6. A knee joint pressure detection device is characterized by comprising an electronic test pad pressure sensor (8) and the gap test pad (7) of any one of claim 3, wherein the electronic test pad pressure sensor (8) comprises a display (9) and a pressure pad (10) which are connected, the display (9) comprises an information processing module which is positioned inside the display (9), an electronic display screen (13) which is positioned on one side of the display (9) opposite to the pressure pad (10) and a battery which supplies power for the pressure sensing module, the information processing module and the electronic display screen (13), a positioning hole (11) is formed in the pressure pad (10), and an information receiving interface pin (12) is arranged on the inner wall of the positioning hole (11).
7. The knee joint pressure detection device according to claim 6, wherein the information receiving interface pin (12) is a concave structure matched with the information transmission interface pin (6).
8. The knee joint pressure detection device according to claim 6, wherein a plurality of gap detection pads (7) are arranged in total, the thicknesses of all the gaskets (1) are different, the thickness difference between any one gasket (1) and the other gasket (1) with the thickness closest to the thickness is a fixed value, the model of the thinnest gasket (1) is marked as 1, and the models of the other gaskets (1) with the thicknesses closest to the thickness are sequentially marked as positive integers with one.
9. The knee joint pressure detection device according to claim 6, wherein the display (9) displays the detected pressure value at a single measurement; and when the pressure sensor is used for measuring for multiple times, the display (9) displays the detected pressure value and the recommended model of the gap measuring pad (7).
10. A method of using the knee joint pressure detecting apparatus of claim 6, comprising:
s1 Combined knee joint pressure detection device
The positioning bulge (3) of the clearance test pad (7) is in plug-in fit with the positioning hole (11) of the electronic test pad pressure sensor (8), and the information processing module reads model data stored in the ROM memory;
s2 knee joint implantation pressure detection device
Inserting the knee joint pressure detection device into the knee joint gap to detect the knee joint pressure;
s3, acquiring information displayed by the display (9)
The display (9) displays the detected knee joint pressure value; if the knee joint pressure value is in the proper range, the step S10 is carried out; if the knee joint pressure value is not in the proper range, the step S4 is carried out;
s4, replacing gap measuring pad (7)
When the pressure value of the knee joint is larger than the proper range, replacing the gap measuring pad (7) with thinner thickness; when the pressure value of the knee joint is smaller than the indicated range, replacing the gap measuring pad (7) with thicker thickness;
s5 knee joint implantation pressure detection device
Inserting the knee joint pressure detection device into the knee joint gap to detect the knee joint pressure;
s6, acquiring information displayed by the display (9)
The display (9) displays the knee joint pressure value and the recommended model of the gap measuring pad (7); if the knee joint pressure value is in the proper range, the step S10 is carried out; if the knee joint pressure value is not in the proper range, the step S7 is carried out;
s7, replacing gap measuring pad (7)
Replacing the gap measuring pad (7) with the recommended model;
s8 knee joint implantation pressure detection device
Inserting the knee joint pressure detection device into the knee joint gap to detect the knee joint pressure;
s9, acquiring information displayed by the display (9)
The display (9) displays the knee joint pressure value and the recommended model of the gap measuring pad (7); if the knee joint pressure value is in the proper range, the step S10 is carried out; if the knee joint pressure value is not in the proper range, the step S7 is carried out;
and S10, taking out the knee joint pressure detection device.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662719A (en) * | 2021-07-30 | 2021-11-19 | 途见科技(北京)有限公司 | Joint replacement system based on replacement mold and control method thereof |
| WO2023030254A1 (en) * | 2021-08-30 | 2023-03-09 | 南京鼓楼医院 | Gap gauge having knee joint pressure measurement function |
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| CN110530235A (en) * | 2019-09-04 | 2019-12-03 | 山东大学齐鲁医院(青岛) | A kind of knee joint pad replacing tool for measuring thickness |
| CN110974491A (en) * | 2019-12-19 | 2020-04-10 | 北京航空航天大学 | Knee joint unicondylar friction measuring device based on pressure measurement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113662719A (en) * | 2021-07-30 | 2021-11-19 | 途见科技(北京)有限公司 | Joint replacement system based on replacement mold and control method thereof |
| WO2023030254A1 (en) * | 2021-08-30 | 2023-03-09 | 南京鼓楼医院 | Gap gauge having knee joint pressure measurement function |
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