CN212592573U - Hip joint prosthesis with monitoring function - Google Patents
Hip joint prosthesis with monitoring function Download PDFInfo
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- CN212592573U CN212592573U CN201721651694.0U CN201721651694U CN212592573U CN 212592573 U CN212592573 U CN 212592573U CN 201721651694 U CN201721651694 U CN 201721651694U CN 212592573 U CN212592573 U CN 212592573U
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- Prior art keywords
- prosthesis
- pressure detection
- hip joint
- inner cup
- cup
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- 210000004394 hip joint Anatomy 0.000 title claims abstract description 36
- 238000012544 monitoring process Methods 0.000 title claims description 16
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 210000000588 acetabulum Anatomy 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 7
- 210000000988 bone and bone Anatomy 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000009530 blood pressure measurement Methods 0.000 abstract 5
- 210000001624 hip Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model relates to a hip joint prosthesis of area monitor function, including acetabular bone prosthesis and femoral head prosthesis, acetabular bone prosthesis includes outer cup and inner cup, the inner cup inlays to embolia outer cup, femoral head prosthesis with the cooperation of inner cup, outer cup includes first pressure measurement device, first pressure measurement device sets up on the outer cup, inner cup includes second pressure measurement device and first positioner, second pressure measurement device sets up on the inner cup, first positioner sets up in the inner cup, femoral head prosthesis includes second positioner, second positioner sets up in the femoral head prosthesis. The device has the advantages that the pressure detection device can be used for detecting the pressure states of the inner part and the outer part of the hip joint prosthesis; by utilizing the positioning device, the abrasion state of the hip joint can be known; pressure measurement and positioner are wireless sensor, are connected with peripheral hardware terminal, and the medical personnel of being convenient for or patient look over.
Description
Technical Field
The utility model relates to an artificial prosthesis technical field especially relates to a take monitoring function's hip joint false body.
Background
The hip joint prosthesis is an implant in hip joint replacement operation and is used for repairing and reconstructing the hip joint part of a human body.
Hip joint prostheses include acetabular and femoral head prostheses. Acetabular prostheses are typically assembled from an outer cup and an inner cup (also known as a liner). The outer surface of the outer cup is jointed with the skeleton of the human physiological acetabular surface to form a bone interface, and the inner surface of the inner cup is matched with the femur to form a friction kinematic pair, so that the joint movement after the hip joint is implanted is realized.
In the process of developing a hip joint prosthesis, it is necessary to know the fitting condition between the bone interface of the outer cup of the acetabular prosthesis and the human body physiological skeleton, the friction condition between the inner cup of the acetabular prosthesis and the femoral head prosthesis, and the implanted state of the hip joint prosthesis, so as to ensure that the replaced hip joint prosthesis can effectively and safely exist in the body of a patient.
However, in use, it is difficult to effectively monitor the hip prosthesis, requiring the patient to go to a hospital for X-ray examination or CT tomography, or to remove the prosthesis and measure the change. However, these methods are harmful to human body.
Because the hip joint prosthesis cannot be monitored in time, the prosthesis can be found only when the prosthesis is seriously damaged in the human body, and the human body is easily damaged.
Therefore, there is a need for a hip prosthesis that can monitor the condition of the hip joint, and no report on such a prosthesis is known.
Disclosure of Invention
The utility model aims at providing a hip joint prosthesis with a monitoring function aiming at the defects in the prior art.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a hip joint prosthesis with a monitoring function comprises an acetabulum prosthesis and a femoral head prosthesis, wherein the acetabulum prosthesis comprises an outer cup and an inner cup, the outer cup is embedded in the inner cup, the femoral head prosthesis is matched with the inner cup, the outer cup comprises a first pressure detection device, the first pressure detection device is arranged on the outer cup, the inner cup comprises a second pressure detection device and a first positioning device, the second pressure detection device is arranged on the inner cup, the first positioning device is arranged in the inner cup, the femoral head prosthesis comprises a second positioning device, and the second positioning device is arranged in the femur.
Preferably, the outer cup comprises a first mounting hole, the first mounting hole is arranged at the outer side of the outer cup, and the first pressure detection device is arranged at the first mounting hole.
Preferably, a first insulating sleeve is arranged between the first mounting hole and the first pressure detection device.
Preferably, the inner cup comprises a second mounting hole, the second mounting hole is arranged on the inner side of the inner cup, and the second pressure detection device is arranged in the second mounting hole.
Preferably, a second insulating sleeve is arranged between the second mounting hole and the second pressure detection device.
Preferably, the outer cup further comprises a first power supply device, and the first power supply device is connected with the first pressure detection device and supplies power to the first pressure detection device.
Preferably, the inner cup further comprises a second power supply device, and the second power supply device is respectively connected with the second pressure detection device and the first positioning device and provides electric energy for the second pressure detection device and the first positioning device.
Preferably, the femoral head prosthesis further comprises a third power supply device, and the third power supply device is connected with the second positioning device and supplies power to the second positioning device.
Preferably, the first pressure detection device, the second pressure detection device, the first positioning device and the second positioning device are all wireless sensors.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the hip joint prosthesis with the monitoring function of the utility model can detect the pressure states of the inner part and the outer part of the hip joint prosthesis by utilizing the pressure detection device; by utilizing the positioning device, the abrasion state of the hip joint can be known; the pressure detection device and the positioning device are both wireless sensors and are connected with an external terminal, so that medical staff or patients can check the pressure detection device and the positioning device conveniently, the state of the medical staff or patients can be known in time, and an adaptive rehabilitation plan or exercise can be performed; through the positioning device, the wearing condition of the hip joint prosthesis can be known, and warning can be given before the wearing condition reaches a critical value, so that a patient can replace the hip joint in time, and pain of the patient caused by deterioration of the condition is avoided.
Drawings
Fig. 1 is a cross-sectional view of an acetabular prosthesis according to a preferred embodiment of the invention.
Fig. 2 is a sectional view of an outer cup according to a preferred embodiment of the present invention.
Fig. 3 is a bottom view of the outer cup according to a preferred embodiment of the present invention.
Fig. 4 is a sectional view of an inner cup according to a preferred embodiment of the present invention.
Fig. 5 is a top view of an inner cup according to a preferred embodiment of the present invention.
Fig. 6 is a cross-sectional view of a femoral head prosthesis according to a preferred embodiment of the present invention.
Fig. 7 is an architecture diagram of a first power supply apparatus according to a preferred embodiment of the present invention.
Fig. 8 is an architecture diagram of a second power supply apparatus according to a preferred embodiment of the present invention.
Fig. 9 is an architecture diagram of a third power supply apparatus according to a preferred embodiment of the present invention.
Fig. 10 is a cross-sectional view of a hip prosthesis according to a preferred embodiment of the present invention after fitting.
Wherein the reference numerals are: an acetabular prosthesis 1; a femoral head prosthesis 2; a first pressure detection device 3; a second pressure detection device 4; a first positioning device 5; a second positioning device 6; a first power supply device 7; a second power supply device 8; a third power supply device 9; an outer cup 11; an inner cup 12; the first pressure auxiliary detection means 31; the second pressure auxiliary detection device 41; a first insulating sleeve 111; a first threaded hole 112; a second insulating sleeve 121; a second threaded bore 122.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
The utility model discloses a preferred embodiment, a hip joint prosthesis with monitoring function, including acetabular bone prosthesis 1, femoral head prosthesis 2.
As shown in fig. 1, the acetabular prosthesis 1 comprises an outer cup 11 and an inner cup 12, wherein the inner cup 12 is nested in the outer cup 11.
As shown in fig. 2 to 3, the outer cup 11 includes a first pressure detection device 3, a first auxiliary pressure detection device 31, a first mounting hole (not shown), a first auxiliary mounting hole (not shown), a first threaded hole 111, and a first insulating sleeve 111, the first mounting hole is disposed in the center of the outer cup 11, the first auxiliary mounting hole is disposed on the outer cup 11 around the first mounting hole, the first pressure detection device 3 is disposed in the first mounting hole, the first auxiliary pressure detection device 31 is disposed in the first auxiliary mounting hole, the first insulating sleeve 111 is disposed inside the first mounting hole and inside the first auxiliary mounting hole, and the first threaded hole 111 is disposed on both sides of the first mounting hole.
The number of the first auxiliary mounting holes is 2-8, and the number of the first auxiliary mounting holes is preferably 4.
The height of the first mounting hole and the height of the first auxiliary mounting hole are both smaller than the thickness of the outer cup 11, and the first mounting hole and the first auxiliary mounting hole are both open towards the outer side of the outer cup 11.
By adopting the technical scheme, the first pressure detection device 3 is used for detecting the pressure outside the outer cup 11, and the first pressure auxiliary detection device 31 is used for detecting the peripheral pressure outside the outer cup 11.
As shown in fig. 4 to 5, the inner cup 12 includes a second pressure detecting device 4, a second auxiliary pressure detecting device 41, a first positioning device 5, a second mounting hole (not shown), a second auxiliary mounting hole (not shown), a second threaded hole 121, and a second insulating sleeve 121, the second mounting hole is disposed in the center of the inner cup 12, the second auxiliary mounting hole is disposed on the inner cup 12 around the second mounting hole, the second pressure detecting device 4 is disposed in the second mounting hole, the second auxiliary pressure detecting device 41 is disposed in the second auxiliary mounting hole, the second insulating sleeve 121 is disposed inside the second mounting hole and inside the second auxiliary mounting hole, the second threaded hole 121 is disposed on both sides of the second mounting hole and corresponds to the first threaded hole 111, and the first positioning device 5 is uniformly distributed inside the inner cup 12 in a circumferential manner.
Of these, the first positioning means 5 are at least 1, preferably 4.
The number of the second auxiliary mounting holes is 2-8, and the number of the second auxiliary mounting holes is preferably 4.
The height of the second mounting hole and the height of the second auxiliary mounting hole are both smaller than the thickness of the inner cup 12, and the second mounting hole and the second auxiliary mounting hole are both open towards the inner side of the inner cup 12.
By adopting the technical scheme, the second pressure detection device 4 is used for detecting the pressure inside the inner cup 12, and the second pressure auxiliary detection device 41 is used for detecting the pressure around the inner side of the inner cup 12.
As shown in fig. 6, the femoral head prosthesis 2 comprises a second positioning means 6, and the second positioning means 6 is circumferentially distributed inside the femoral head prosthesis 2 and close to the head of the femoral head prosthesis 2, and corresponds to the first positioning means 5.
Wherein the number of the second positioning means 6 is at least 1, preferably 4.
As shown in fig. 7 to 9, the outer cup 11 further includes a first power supply device 7, the inner cup 12 further includes a second power supply device 8, the femoral head prosthesis 2 further includes a third power supply device 9, the first power supply device 7 is respectively connected with and supplies power to the first pressure detection device 3 and the first auxiliary pressure detection device 31, the second power supply device 8 is respectively connected with and supplies power to the second pressure detection device 4, the second auxiliary pressure detection device 41 and the first positioning device 5, and the third power supply device 9 is connected with and supplies power to the second positioning device 6.
Further, the first pressure detection device 3, the first auxiliary pressure detection device 31, the second pressure detection device 4, the second auxiliary pressure detection device 41, the first positioning device 5, and the second positioning device 6 are all wireless sensors.
By adopting the technical scheme, the wireless sensor and the peripheral terminals (such as computers and mobile phones) perform data transmission, and pressure data detected by each pressure detection device can be transmitted to the peripheral terminals for medical personnel or patients to use. Medical care personnel can predict the use state, the service life and the like of the hip joint of the patient after replacement through summary statistics; the patient can know the state of the hip joint of the patient in time through data display, and can exercise or rest adaptively according to the state.
By adopting the technical scheme, the first positioning devices 5 correspond to the second positioning devices 6 one by one, and the initial distance between the first positioning device 5 and the corresponding second positioning device 6 is a fixed value; each positioning device sends the respective positioning data to an external terminal, and the external terminal can obtain the distance change between the first positioning device 5 and the second positioning device 6 corresponding to the first positioning device through calculation simulation, so as to obtain the abrasion condition between the inner cup 12 and the femoral head prosthesis 2; by setting a threshold value, when the distance between the first positioning device 5 and the corresponding second positioning device 6 is close to the threshold value, the peripheral terminal sends a warning to the patient and the medical staff to remind the patient to replace the inner cup 12 or the femoral head prosthesis 2.
The method of use of the hip prosthesis of the present embodiment is as follows: respectively placing the first pressure detection device 3 and the first auxiliary pressure detection device 31 into a first mounting hole and a first auxiliary mounting hole of the outer cup 11, and respectively placing the second pressure detection device 4 and the second auxiliary pressure detection device 41 into a second mounting hole and a second auxiliary mounting hole of the inner cup 12; the peripheral terminal is connected with each pressure detection device and each positioning device to detect whether abnormal phenomena exist or not; placing the outer cup 11 into the replacement position of the acetabular prosthesis 1, placing the inner cup 12 into the outer cup 11, aligning the second threaded hole of the inner cup 12 with the first threaded hole of the outer cup 11, and fixing the acetabular prosthesis by using screws; assembling the femoral head prosthesis 2 and the acetabulum prosthesis 1, and then fixing the femoral head prosthesis 2 and the femur; the hip prosthesis after fixation is shown in fig. 10; after the operation is finished, the peripheral terminal, the pressure detection devices and the positioning devices can be used for data transmission, and the pressure state and the abrasion condition of the hip joint prosthesis can be checked.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (9)
1. A hip joint prosthesis with a monitoring function comprises an acetabulum prosthesis (1) and a femoral head prosthesis (2), wherein the acetabulum prosthesis (1) comprises an outer cup (11) and an inner cup (12), the inner cup (12) is nested into the outer cup (11), and the femoral head prosthesis (2) is matched with the inner cup (12), and is characterized in that the outer cup (11) comprises a first pressure detection device (3), and the first pressure detection device (3) is arranged on the outer cup (11);
the inner cup (12) comprises a second pressure detection device (4) and a first positioning device (5), the second pressure detection device (4) is arranged on the inner cup (12), and the first positioning device (5) is arranged in the inner cup (12);
the femoral head prosthesis (2) comprises a second positioning device (6), and the second positioning device (6) is arranged in the femoral head prosthesis (2).
2. The hip joint prosthesis with monitoring function according to claim 1, characterized in that said outer cup (11) comprises a first mounting hole, said first mounting hole being arranged outside said outer cup (11), said first pressure detection means (3) being arranged in said first mounting hole.
3. The hip joint prosthesis with monitoring function according to claim 2, characterized in that a first insulating sleeve (111) is provided between the first mounting hole and the first pressure detecting means (3).
4. Hip joint prosthesis with monitoring function according to claim 1, characterized in that said inner cup (12) comprises a second mounting hole, said second mounting hole being arranged inside said inner cup (12), said second pressure detection means (4) being arranged in said second mounting hole.
5. The hip joint prosthesis with monitoring function according to claim 4, characterized in that a second insulating sleeve (121) is arranged between the second mounting hole and the second pressure detecting means (4).
6. The hip joint prosthesis with monitoring function according to claim 1, characterized in that said outer cup (11) further comprises a first power supply means (7), said first power supply means (7) being connected to said first pressure detection means (3) for supplying electrical energy to said first pressure detection means (3).
7. The hip joint prosthesis with monitoring function according to claim 1, characterized in that said inner cup (12) further comprises a second power supply means (8), said second power supply means (8) being connected to said second pressure detection means (4) and said first positioning means (5), respectively, for supplying electrical energy to said second pressure detection means (4) and said first positioning means (5).
8. The hip joint prosthesis with monitoring function according to claim 1, characterized in that said femoral head prosthesis (2) further comprises a third power supply means (9), said third power supply means (9) being connected to said second positioning means (6) for supplying power to said second positioning means (6).
9. The hip joint prosthesis with monitoring function according to claim 1, characterized in that said first pressure detection means (3), said second pressure detection means (4), said first positioning means (5) and said second positioning means (6) are all wireless sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721651694.0U CN212592573U (en) | 2017-12-01 | 2017-12-01 | Hip joint prosthesis with monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721651694.0U CN212592573U (en) | 2017-12-01 | 2017-12-01 | Hip joint prosthesis with monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212592573U true CN212592573U (en) | 2021-02-26 |
Family
ID=74727050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721651694.0U Expired - Fee Related CN212592573U (en) | 2017-12-01 | 2017-12-01 | Hip joint prosthesis with monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212592573U (en) |
-
2017
- 2017-12-01 CN CN201721651694.0U patent/CN212592573U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |