CN208910586U - Tibial plateau gasket - Google Patents
Tibial plateau gasket Download PDFInfo
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- CN208910586U CN208910586U CN201721308449.XU CN201721308449U CN208910586U CN 208910586 U CN208910586 U CN 208910586U CN 201721308449 U CN201721308449 U CN 201721308449U CN 208910586 U CN208910586 U CN 208910586U
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- dynamometry
- tibial plateau
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Abstract
The utility model provides a kind of tibial plateau gasket, comprising: shell, load cell and data transmission processing unit are provided with contact on shell;Load cell is arranged in shell and contacts with contact, to measure the tension data of two predeterminable areas of the soft tissue of joint contacted with shell;Data transmission and processing unit is connect with load cell and terminal device, and the tension difference value data of two predeterminable areas are calculated for the tension data according to two predeterminable areas, and is sent to terminal device after tension difference value data are handled.To in total knee arthroplasty can Accurate Determining soft tissue balance, without patient rule of thumb, technology and subjective judgement, to guarantee the standardization and final surgical effect of operation.After solving the problems, such as total knee arthroplasty real-time monitoring can not be carried out to the stress condition of the prosthese of implantation human body.
Description
Technical field
The utility model relates to area of medical devices, in particular to a kind of tibial plateau gasket.
Background technique
As one of major joint displacement, total knee arthroplasty is a mature operation, total knee arthroplasty
Success or not and Study on influencing factors to clinical efficacy, are always problem concerned by people.The clinic obtained is at a specified future date to be treated
Effect, it is all critically important for the management before the selection of indication, the selected of prosthese, the accurate of operation skill, Perinatal Therapy, and should be noted that
It is intra-articular to turn up and the correct placement of the correction of flexion deformity and tibial prosthesis is to reduce the loosening of tibial prosthesis, while carrying out morning
The functional training of phase makes great efforts to reduce postoperative complications.
Postoperative rehabilitation is bad, causes muscular atrophy, leads to joint instability, more easy damaged prosthese.Overexercise, it is incorrect
Joint posture, for example frequent deep-knee-bend, cross one's legs, leg pressing etc., it will also result in the over-stressed of prosthese part and wear.Improperly move
Also the danger that will increase wound, causes Periprosthetic fracture.Postoperative correctly to be nursed, the close observation state of an illness is worked out whole
Rehabilitation programme, promote patient's early functional exercise etc., the recovery that can mitigate patient suffering, promote knee joint function makes
Patient restores normal early or lives close to normal.After the procedure, it needs to provide the rehabilitation programme of profession to patient, refer to
Lead its functional training.
Doctor is unable to real-time monitoring to the stress condition of implantation human prostheses at present, can not be in time to the postoperative rehabilitation of patient
The suggestion for facilitating rehabilitation and optimization prosthese long term is applicable in is proposed with daily routines, for the clinic in artificial knee joint prosthesis service life
The improvement effect in research and artificial knee joint prosthesis service life is limited.
Utility model content
The main purpose of the utility model is to provide a kind of tibial plateau gaskets, to solve nothing after total knee arthroplasty
The problem of method carries out real-time monitoring to the stress condition of the prosthese of implantation human body.
To achieve the goals above, the utility model provides a kind of tibial plateau gasket, comprising: shell is set on shell
It is equipped with contact;Load cell is arranged in shell and contacts with contact, to measure two of the soft tissue of joint contacted with shell
The tension data of predeterminable area;Data transmission and processing unit, connect with load cell and terminal device, for default according to two
The tension data in region calculates the tension difference value data of two predeterminable areas, and is sent to after tension difference value data are handled
Terminal device;Wherein, shell includes that upper housing, middle shell and lower case, contact are arranged on the inner wall of upper housing;Middle shell with
Upper housing is detachably connected, and load cell and data transmission processing unit are arranged on middle shell;Lower case and middle shell can
Releasably connect.
Further, load cell includes the first force-measuring module and the second force-measuring module, and the first force-measuring module and second are surveyed
Power module is spaced setting in shell;Wherein, shell have the first dynamometry region and the second dynamometry region, the first force-measuring module with
First dynamometry region is correspondingly arranged, and the second force-measuring module is correspondingly arranged with the second dynamometry region;First dynamometry region is used for and pass
The predeterminable area contact for saving soft tissue, so that the first force-measuring module detects the tension data of the predeterminable area;Second dynamometry
Region with another predeterminable area of soft tissue of joint for contacting, so that the second force-measuring module detects the tension of the predeterminable area
Data.
Further, the first dynamometry region and the second dynamometry region are located on the outer wall of upper housing.
Further, the first dynamometry region and the second dynamometry region are curved surface.
Further, the cross section of shell is zhou duicheng tuxing, and the first force-measuring module and the second force-measuring module are with shell
It is symmetrical arranged on the basis of the symmetry axis in cross section;First dynamometry region and the second dynamometry region are with the symmetry axis in the cross section of shell
On the basis of be symmetrical arranged.
Further, the first force-measuring module and the second force-measuring module include the sensor with multiple pressure sensors
Group;Wherein, contact is multiple, and each pressure sensor is corresponded with each contact and contacted.
Further, there are three pressure sensor, three pressure sensors in sensor group are in each sensor group tool
Triangular arrangement.
Further, positioning protrusion is additionally provided on shell, positioning protrusion is located at the first dynamometry region and the second dynamometry area
Between domain, positioning protrusion is used for the predeterminated position by shell limit in joint.
Further, tibial plateau gasket further include: power module, be arranged in lower case and with data transmission and processing list
Member connection, to be powered by data transmission and processing unit as load cell.
Further, power module includes two supplying cells;Wherein, battery fixing groove, two confessions are provided on shell
Battery is arranged in correspondence in two battery fixing grooves.
Using the tibial plateau gasket of technical solutions of the utility model, comprising: shell, load cell and data transmission and processing
Unit is provided with contact on shell;Load cell is arranged in shell and contacts with contact, to measure the joint contacted with shell
The tension data of two predeterminable areas of soft tissue;Data transmission and processing unit is connect with load cell and terminal device, is used for
The tension difference value data of two predeterminable areas are calculated according to the tension data of two predeterminable areas, and tension difference value data are carried out
Terminal device is sent to after processing;Wherein, shell includes that upper housing, middle shell and lower case, contact are arranged in upper housing
On wall;Middle shell and upper housing are detachably connected, and load cell and data transmission processing unit are arranged on middle shell;Lower casing
Body and middle shell are detachably connected.To after total knee arthroplasty can to implantation human body prosthese stress condition into
Row real-time monitoring, and then rehabilitation and optimization prosthese long term are facilitated to the postoperative rehabilitation of patient and daily routines proposition convenient for doctor
Applicable suggestion makes patient restore normal early or live close to normal.Solving can not be right after total knee arthroplasty
The problem of being implanted into the stress condition progress real-time monitoring of the prosthese of human body.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is according to optionally a kind of structural representation at the first visual angle of tibial plateau gasket of the utility model embodiment
Figure;
Fig. 2 is according to optionally a kind of structural representation at the second visual angle of tibial plateau gasket of the utility model embodiment
Figure;
Fig. 3 is according to optionally a kind of structural block diagram of tibial plateau gasket of the utility model embodiment;
Fig. 4 is the structural block diagram according to optional second of tibial plateau gasket of the utility model embodiment;And
Fig. 5 is the structural block diagram according to the third optional tibial plateau gasket of the utility model embodiment.
Wherein, the above drawings include the following reference numerals:
10, shell;11, contact;12, positioning protrusion;13, upper housing;14, middle shell;15, lower case;20, dynamometry list
Member;21, the first force-measuring module;22, the second force-measuring module;23, pressure sensor;30, data transmission and processing unit;40, power supply
Module;41, supplying cell.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
According to the tibial plateau gasket of the utility model embodiment, as shown in Figure 1 to Figure 3, tibial plateau gasket, comprising:
Shell 10, load cell 20 and data transmission processing unit 30 are provided with contact 11 on shell 10;Load cell 20 is arranged in shell
It is contacted in body 10 and with contact 11, to measure the tension data of two predeterminable areas of the soft tissue of joint contacted with shell 10;
Data transmission and processing unit 30 is connect with load cell 20 and terminal device, based on the tension data according to two predeterminable areas
The tension difference value data of two predeterminable areas are calculated, and are sent to terminal device after tension difference value data are handled;Wherein, shell
Body 10 includes upper housing 13, middle shell 14 and lower case 15, and contact 11 is arranged on the inner wall of upper housing 13;Middle shell 14 with it is upper
Shell 13 is detachably connected, and load cell 20 and data transmission processing unit 30 are arranged on middle shell 14;Lower case 15 with
Middle shell 14 is detachably connected.
Using the tibial plateau gasket of technical solutions of the utility model, comprising: shell 10 is provided with contact on shell 10
11;Load cell 20 is arranged in shell 10 and contacts with contact 11, to measure the two of the soft tissue of joint contacted with shell 10
The tension data of a predeterminable area;Data transmission and processing unit 30 is connect with load cell 20 and terminal device, for according to two
The tension data of a predeterminable area calculates the tension difference value data of two predeterminable areas, and after tension difference value data are handled
It is sent to terminal device;Wherein, shell 10 includes upper housing 13, middle shell 14 and lower case 15, and contact 11 is arranged in upper housing
On 13 inner wall;Middle shell 14 and upper housing 13 are detachably connected, and load cell 20 and data transmission processing unit 30 are arranged
On middle shell 14;Lower case 15 and middle shell 14 are detachably connected.Thus can be to implantation after total knee arthroplasty
The stress condition of the prosthese of human body carries out real-time monitoring, and then has convenient for doctor to the postoperative rehabilitation of patient and daily routines proposition
Help rehabilitation and optimize the applicable suggestion of prosthese long term, patient is made to restore normal early or close to normally living.It solves
The problem of can not carrying out real-time monitoring to the stress condition of the prosthese of implantation human body after total knee arthroplasty.
When it is implemented, as shown in Figure 1 and Figure 4, load cell 20 includes the first force-measuring module 21 and the second force-measuring module
22, the first force-measuring module 21 and the second force-measuring module 22 are spaced setting in shell 10;Wherein, shell 10 has the first dynamometry area
Domain and the second dynamometry region, the first force-measuring module 21 are correspondingly arranged with the first dynamometry region, and the second force-measuring module 22 and second is surveyed
Power region is correspondingly arranged;First dynamometry region with a predeterminable area of soft tissue of joint for contacting, so that the first dynamometry mould
The tension data of the detection of block 21 predeterminable area;Second dynamometry region is used to connect with another predeterminable area of soft tissue of joint
Touching, so that the second force-measuring module 22 detects the tension data of the predeterminable area.Further, the cross section of shell 10 is axial symmetry
Figure, i.e., along being symmetric figure with the perpendicular section of the thickness direction of the shell 10, the first force-measuring module 21 and second is surveyed
Power module 22 is symmetrical arranged on the basis of the symmetry axis in the cross section of shell 10;First dynamometry region and the second dynamometry region are with shell
It is symmetrical arranged on the basis of the symmetry axis in the cross section of body 10.
In order to be adapted with soft tissue of joint in measurement, further, the first dynamometry region and the second dynamometry area
Domain is curved surface.
In order to improve the accuracy of the first force-measuring module 21 and the measurement of the second force-measuring module 22, further, the first dynamometry
Module 21 and the second force-measuring module 22 include the sensor group with multiple pressure sensors 23, and each sensor group has three
A pressure sensor 23, three pressure sensors 23 in sensor group are triangularly arranged, i.e., three pressures in sensor group
Force snesor 23 is respectively positioned on three apexes of a triangle.Correspondingly, the first dynamometry region and the second dynamometry region are distinguished
There are three contact 11, each pressure sensors 23 to correspond and contact with each contact 11 for setting.Three 23 energy of pressure sensor
Enough three contacts of predeterminable area of soft tissue of joint are measured respectively by the first dynamometry region or the second dynamometry region, final
Measurement result is the average value of three contacts, to effectively improve the accuracy of measurement.
Data transmission and processing unit 30 includes special multichannel analog-digital converter, micro-control unit, data storage, wireless
Data transmission module, power management and power supply processing circuit.Each pressure sensor 23 by with data transmission and processing unit 30
Data-interface realize constant current-supplying respectively, be sent into special multichannel analog-digital converter after the completion of front-end processing amplification and realize timesharing
High speed acquisition is sent into micro-control unit to data after acquisition and carries out corresponding calculation process, and the data after the completion of handling are sent into number
According to memory or wireless data transfer module, the data in data storage carry out data processing for the later period and are used, no line number
Measurement data can be uploaded to terminal device in real time according to transmission module, as shown on computer or smart phone, data processing,
Record, report generation etc..
In order to which shell 10 is fixed in measurement, further, it is additionally provided with positioning protrusion 12 on shell 10, positions
Between the first dynamometry region and the second dynamometry region, positioning protrusion 12 is used to limit shell 10 in the pre- of joint protrusion 12
If position is to fixed by shell 10.
As shown in Figure 1, Figure 2 and shown in Fig. 5, tibial plateau gasket further include: power module 40, power module 40 and data are transmitted
Processing unit 30 connects, to be the power supply of load cell 20 by data transmission and processing unit 30.Specifically, power module 40 includes
Two supplying cells 41;Wherein, battery fixing groove is provided on shell 10, two supplying cells 41 are arranged in correspondence in two electricity
In the fixing groove of pond.Supplying cell 41 be rechargeable type lithium battery, 30 interior design of data transmission and processing unit have power management and
Power supply processing circuit, to realize the electric discharge management of supplying cell 41.
In order to realize preferably layout and easy to disassemble, shell 10 includes: upper housing 13, middle shell 14 and lower case 15,
Contact 11 is arranged on the inner wall of upper housing 13, and the first dynamometry region and the second dynamometry region are located on the outer wall of upper housing 13;
Middle shell 14 and upper housing 13 are detachably connected, and load cell 20 and data transmission processing unit 30 are arranged in middle shell 14
On;Lower case 15 and middle shell 14 are detachably connected, and power module 40 is arranged in lower case 15.
In specific surgical procedure, the tibial plateau pad of the present embodiment is implanted into patient by total knee arthroplasty routine operation
Piece, when patient's knee joint generation activity, inside and outside two regions of shell 10 will be pressurized, i.e. the first dynamometry region and the second dynamometry
Power is conducted to the first force-measuring module 21 and respective three pressures of the second force-measuring module 22 by respective three contacts 11 in region
Force snesor 23, pressure sensor 23 are preceding by realizing constant current-supplying respectively with the data-interface of data transmission and processing unit 30
Special multichannel analog-digital converter is sent into after the completion of the processing amplification of end and realizes timesharing high speed acquisition, and the data after acquisition are sent into micro-control
Unit processed carries out corresponding calculation process, and the data after the completion of handling are sent into data storage, wireless data transfer module, data
Data in memory carry out data processing for the later period and are used, and wireless data transfer module can upload in real time measurement data
It is shown on the terminal devices such as computer or smart phone, data processing, record, report generation etc..
The kneed stress condition of inside and outside two regions force value diversity judgement shown on doctor's observable terminal device is led to
Analysis data are crossed, the postoperative rehabilitation and daily routines to patient propose the suggestion for facilitating rehabilitation and optimization prosthese long term is applicable in,
The data of storage carry out Data Management Analysis for the later period, are clinical research and the artificial knee joint in artificial knee joint prosthesis service life
The raising in prosthese service life provides reference.
Technical solutions of the utility model bring beneficial effect
1, the tibial plateau gasket of the utility model embodiment can supervise in real time in the case where not increasing additional medical instrument
The stress condition of patient's knee joint implantation prosthese is surveyed, provides reference for the rehabilitation programme of patient, when routine use can be according to monitoring
To stress condition prompt patient's habit appropriate of making the life better, extend prosthese use the time;The data of storage for the later period into
Row Data Management Analysis provides ginseng for the clinical research and the raising in artificial knee joint prosthesis service life in artificial knee joint prosthesis service life
It examines;
2, pressure measurement data can be uploaded in real time computer or intelligence by the tibial plateau gasket of the utility model embodiment
It is shown on the terminal devices such as mobile phone, data processing, record, report generation etc.;
3, the tibial plateau gasket of the utility model embodiment is identical as common tibial plateau gasket applicable elements, meets complete
Knee replacements requirement.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of tibial plateau gasket characterized by comprising
Shell (10) is provided with contact (11) on the shell (10);
Load cell (20), setting contact in the shell (10) and with the contact (11), with measurement and the shell
(10) tension data of two predeterminable areas of the soft tissue of joint contacted;
Data transmission and processing unit (30) is connect with the load cell (20) and terminal device, for described pre- according to two
If the tension data in region calculates the tension difference value data of described two predeterminable areas, and by the tension difference value number
According to being sent to the terminal device after being handled;
Wherein, the shell (10) includes upper housing (13), middle shell (14) and lower case (15), and contact (11) setting exists
On the inner wall of the upper housing (13);The middle shell (14) and the upper housing (13) are detachably connected, the dynamometry list
First (20) and the data transmission and processing unit (30) are arranged on the middle shell (14);The lower case (15) and it is described in
Shell (14) is detachably connected.
2. tibial plateau gasket according to claim 1, which is characterized in that the load cell (20) includes the first dynamometry
Module (21) and the second force-measuring module (22), first force-measuring module (21) and second force-measuring module (22) are in the shell
Interval setting in body (10);
Wherein, the shell (10) has the first dynamometry region and the second dynamometry region, first force-measuring module (21) and institute
It states the first dynamometry region to be correspondingly arranged, second force-measuring module (22) is correspondingly arranged with second dynamometry region;Described
One dynamometry region with a predeterminable area of the soft tissue of joint for contacting, so that first force-measuring module (21) detects
The tension data of the predeterminable area;Second dynamometry region is used to connect with another predeterminable area of the soft tissue of joint
Touching, so that second force-measuring module (22) detects the tension data of the predeterminable area.
3. tibial plateau gasket according to claim 2, which is characterized in that first dynamometry region and described second is surveyed
Power region is located on the outer wall of the upper housing (13).
4. tibial plateau gasket according to claim 3, which is characterized in that first dynamometry region and described second is surveyed
Power region is curved surface.
5. tibial plateau gasket according to claim 2, which is characterized in that the cross section of the shell (10) is axial symmetry
Figure, first force-measuring module (21) and second force-measuring module (22) are with the symmetry axis in the cross section of the shell (10)
On the basis of be symmetrical arranged;First dynamometry region is with second dynamometry region with the symmetrical of the cross section of the shell (10)
It is symmetrical arranged on the basis of axis.
6. tibial plateau gasket according to claim 2, which is characterized in that first force-measuring module (21) and described
Two force-measuring modules (22) include the sensor group with multiple pressure sensors (23);
Wherein, the contact (11) is multiple, and each pressure sensor (23) and each contact (11) correspond
Contact.
7. tibial plateau gasket according to claim 6, which is characterized in that there are three described for each sensor group tool
Pressure sensor (23), three pressure sensors (23) in the sensor group are triangularly arranged.
8. tibial plateau gasket according to claim 2, which is characterized in that be additionally provided with convex on the shell (10)
It rises (12), the positioning protrusion (12) is between first dynamometry region and second dynamometry region, the convex
(12) are played to be used to limiting the shell (10) into the predeterminated position in joint.
9. tibial plateau gasket according to claim 1, which is characterized in that the tibial plateau gasket further include:
Power module (40) is arranged on the lower case (15) and connect with the data transmission and processing unit (30), with logical
The data transmission and processing unit (30) is crossed as the load cell (20) power supply.
10. tibial plateau gasket according to claim 9, which is characterized in that the power module (40) includes two confessions
Battery (41);
Wherein, battery fixing groove is provided on the shell (10), two supplying cells (41) are arranged in correspondence at two
In the battery fixing groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721308449.XU CN208910586U (en) | 2017-09-30 | 2017-09-30 | Tibial plateau gasket |
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Application Number | Priority Date | Filing Date | Title |
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CN201721308449.XU CN208910586U (en) | 2017-09-30 | 2017-09-30 | Tibial plateau gasket |
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CN208910586U true CN208910586U (en) | 2019-05-31 |
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CN201721308449.XU Active CN208910586U (en) | 2017-09-30 | 2017-09-30 | Tibial plateau gasket |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111588520A (en) * | 2020-05-08 | 2020-08-28 | 天衍医疗器材有限公司 | Knee joint prosthesis |
-
2017
- 2017-09-30 CN CN201721308449.XU patent/CN208910586U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111588520A (en) * | 2020-05-08 | 2020-08-28 | 天衍医疗器材有限公司 | Knee joint prosthesis |
CN111588520B (en) * | 2020-05-08 | 2021-08-03 | 天衍医疗器材有限公司 | Knee joint prosthesis |
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