CN216090484U - Gap plate with knee joint pressure detection function - Google Patents
Gap plate with knee joint pressure detection function Download PDFInfo
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- CN216090484U CN216090484U CN202122060854.7U CN202122060854U CN216090484U CN 216090484 U CN216090484 U CN 216090484U CN 202122060854 U CN202122060854 U CN 202122060854U CN 216090484 U CN216090484 U CN 216090484U
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Abstract
The invention provides a gap plate with a knee joint pressure detection function, which comprises a pressure detection module and a signal conversion module which are in signal connection with each other, wherein the pressure detection module detects pressure applied when a knee joint is bent or extended, and sends the detected signal to the signal conversion module, and the signal conversion module converts the received signal into a pressure digital display signal for displaying. According to the knee joint clearance gauge, the pressure sensor is additionally arranged on the basis of the traditional clearance gauge, when the knee joint clearance is measured, the thickness among the knee joints can be measured, the pressure applied to the knee joints when the knee joints are stretched and flexed can be accurately displayed on the crystal screen, the pressure of the knee joints can be quantized, and therefore the accuracy of pressure detection is greatly improved, and meanwhile, the operation barriers are reduced.
Description
Technical Field
The invention relates to the technical field of clearance rulers, in particular to a clearance plate with a knee joint pressure detection function.
Background
In the traditional operation, the clearance ruler can only measure the clearance of the knee joint, and the pressure between the joints can only be judged whether to be proper or not by the experience accumulated by the doctor for many years, so that the defect that the judgment is too dependent on the hand feeling of the doctor and can be carried out only by the experience for many years and the judgment is not accurate is overcome; there is a high surgical barrier and young physicians are limited.
Disclosure of Invention
In order to solve the problems, the invention discloses a gap plate with a knee joint pressure detection function, which can not only measure the thickness between knee joints when measuring the knee joint gap, but also accurately display the pressure on the knee joints when the knee joints are stretched and flexed on a crystal screen so as to quantify the knee joint pressure.
The specific scheme is as follows:
the utility model provides a clearance board with knee joint pressure detects function which characterized in that: the knee joint pressure detection device comprises a pressure detection module and a signal conversion module which are in signal connection with each other, wherein the pressure detection module detects pressure applied when a knee joint is bent or extended, and sends a detected signal to the signal conversion module, and the signal conversion module converts the received signal into a pressure digital display signal for displaying.
As a further improvement of the invention, the pressure detection module comprises a pressure plate, an upper cover and a lower cover which are assembled and combined in sequence from top to bottom, a gap for the pressure plate to move up and down under stress is reserved between the pressure plate and the upper cover, a pressure transmission block and a pressure diaphragm are arranged between the upper cover and the lower cover, the upper end of the pressure transmission block penetrates through the upper cover and then is connected with the bottom of the pressure plate in a matched manner, and the pressure diaphragm is installed at the bottom of the pressure transmission block in a matched manner and is connected with the signal conversion module through a signal cable.
As a further improvement of the invention, the pressure plate is of a plate-shaped structure, the bottom of the pressure plate is provided with an installation lug, the middle part of the bottom surface of the installation lug is provided with a slot, an internal thread is arranged in the slot, the upper cover is of a plate-shaped structure, a through hole matched with the upper cover is arranged at the position, corresponding to the installation lug, of the upper cover, the pressure transmission block is of a step cylindrical structure with a small upper part and a large lower part, the upper end of the pressure transmission block is provided with an external thread matched with the internal thread, the upper end of the pressure transmission block is in threaded connection with the slot of the installation lug, and the middle part of the lower cover is provided with a mounting groove for accommodating the pressure transmission block and the pressure diaphragm.
As a further improvement of the invention, a first waterproof ring is embedded between the edges of the upper cover and the lower cover.
As a further improvement of the invention, the pressure plate, the upper cover and the lower cover are installed and fixed by matching screws, wherein the pressure plate can move up and down in a clearance range relative to the screws, and the upper cover and the lower cover are pressed tightly.
As a further improvement of the invention, the signal conversion module comprises an upper shell and a lower shell which are arranged up and down, a crystal screen for displaying is embedded on the upper shell, a receiving module, a first signal processor and a second signal processor are arranged between the upper shell and the lower shell, the first signal processor collects current signals flowing through the pressure membrane through the receiving module and sends the current signals to the second signal processor, and the second signal processor converts the current signals into pressure digital display signals and sends the pressure digital display signals to the crystal screen for displaying.
As a further improvement of the invention, a second waterproof ring is embedded between the edges of the upper shell and the lower shell.
As a further improvement of the invention, the signal cable is sleeved with a supporting shell, two ends of the supporting shell are respectively and fixedly connected with the lower cover and the lower shell, and the lower cover and the lower shell are respectively provided with an opening for the signal cable to pass through.
The invention has the beneficial effects that: increased pressure sensor on traditional clearance chi's basis, when measuring the knee joint clearance, can not only measure the thickness between the knee joint, can also stretch and bend accurate demonstration on the crystal screen of the pressure that the knee joint received when knee, quantize knee joint pressure to when increasing pressure detection's the degree of accuracy by a wide margin, reduced the operation barrier.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a top exploded view of the pressure sensing module.
Fig. 3 is a bottom exploded view of the pressure sensing module.
Fig. 4 is a schematic view of a lower case in the signal conversion module.
Fig. 5 is a schematic diagram of the principle of the present invention.
List of reference numerals:
1-pressure plate, 2-upper cover, 3-lower cover, 4-pressure transfer block, 5-pressure diaphragm, 6-installation lug, 7-installation groove, 8-first waterproof ring, 9-upper shell, 10-lower shell, 11-crystal screen, 12-second waterproof ring, and 13-support shell.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
As shown in the figure, a clearance plate with knee joint pressure detection function, its characterized in that: the knee joint pressure detection device comprises a pressure detection module and a signal conversion module which are in signal connection with each other, wherein the pressure detection module detects pressure applied when a knee joint is bent or extended, and sends a detected signal to the signal conversion module, and the signal conversion module converts the received signal into a pressure digital display signal for displaying.
In this embodiment, the pressure detection module includes pressure plate 1, upper cover 2 and lower cover 3 that top-down assembles the combination in proper order, leaves the clearance that pressure plate 1 atress moved from top to bottom between pressure plate 1 and upper cover 2, is equipped with pressure transmission block 4 and pressure diaphragm 5 between upper cover 2 and lower cover 3, and the upper end of pressure transmission block 4 is passed upper cover 2 and is connected with the bottom cooperation of pressure plate 1 after, and pressure diaphragm 5 cooperation is installed in the bottom of pressure transmission block 4 to be connected with signal conversion module through signal cable.
The pressure plate 1 is of a plate-shaped structure, the bottom of the pressure plate is provided with an installation lug 6, the middle of the bottom surface of the installation lug 6 is provided with a slot, an internal thread is arranged in the slot, the upper cover 2 is of a plate-shaped structure, a through hole matched with the installation lug 6 is formed in the position, corresponding to the installation lug 6, of the upper cover 2, the pressure transmission block 4 is of a stepped cylindrical structure with a small upper part and a large lower part, an external thread matched with the internal thread is arranged at the upper end of the pressure transmission block 4, the upper end of the pressure transmission block 4 is in threaded connection with the slot of the installation lug 6, and the middle of the lower cover 3 is provided with a mounting groove 7 used for accommodating the pressure transmission block 4 and the pressure diaphragm 5.
In this embodiment, a first waterproof ring 8 is embedded between the edges of the upper cover 2 and the lower cover 3, and the pressure plate 1, the upper cover 2 and the lower cover 3 are installed and fixed by four distributed screws in a matching manner, wherein the pressure plate 1 can move up and down in a gap range relative to the screws, and the upper cover 2 and the lower cover 3 are compressed and can simultaneously compress the first waterproof ring.
In this embodiment, the signal conversion module includes upper casing 9 and inferior valve 10 that set up from top to bottom, and the last casing 9 is gone up to inlay and is equipped with crystal screen 11 that is used for showing, is equipped with receiving module, first signal processor and second signal processor between upper casing 9 and inferior valve 10, and first signal processor gathers the current signal that flows through pressure diaphragm 5 through receiving module to send for second signal processor, and second signal processor converts current signal into pressure digital display signal and sends crystal screen 11 and shows. Wherein, a second waterproof ring 12 is embedded between the edges of the upper shell 9 and the lower shell 10.
In this embodiment, the signal cable is sleeved with a supporting housing 13, two ends of the supporting housing 13 are respectively fixedly connected with the lower cover 3 and the lower shell 10, and the lower cover 3 and the lower shell 10 are respectively provided with an opening for the signal cable to pass through.
According to the invention, the pressure sensor is added on the traditional clearance ruler, so that when the knee joint clearance is measured, not only can the thickness between the knee joints be measured, but also the pressure on the knee joint when the knee joint is stretched and flexed can be accurately displayed on the crystal screen, and the knee joint pressure can be quantized; the working principle of the pressure conversion module is as follows: when no pressure exists on the pressure diaphragm, the pressure diaphragm is an infinite resistor, the current tends to be infinite, when an external force is applied, the resistance is reduced, the current is increased, the pressure is higher, the resistance is lower, the current is higher, the current can be converted into a voltage value which can be sampled after passing through the high-precision sampling resistor, the corresponding voltage analog quantity can be converted into a digital quantity, namely a pressure value after passing through the adc module, and the pressure value can be displayed on the crystal screen by the controller in a position mode; in addition, the area of the pressure sensor is enlarged, so that the pressure between the knee joints can be measured more accurately; waterproof rings are respectively added in the shells of the pressure detection module and the signal conversion module so as to achieve a better waterproof effect.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (6)
1. The utility model provides a clearance board with knee joint pressure detects function which characterized in that: the knee joint pressure detection device comprises a pressure detection module and a signal conversion module which are in signal connection with each other, wherein the pressure detection module detects pressure applied when a knee joint is extended or bent and sends the detected signal to the signal conversion module, and the signal conversion module converts the received signal into a pressure digital display signal for displaying; the pressure detection module comprises a pressure plate (1), an upper cover (2) and a lower cover (3) which are assembled and combined in sequence from top to bottom, a gap for the pressure plate (1) to move up and down under stress is reserved between the pressure plate (1) and the upper cover (2), a pressure transmission block (4) and a pressure diaphragm (5) are arranged between the upper cover (2) and the lower cover (3), the upper end of the pressure transmission block (4) penetrates through the upper cover (2) and then is connected with the bottom of the pressure plate (1) in a matched mode, and the pressure diaphragm (5) is installed at the bottom of the pressure transmission block (4) in a matched mode and is connected with the signal conversion module through a signal cable; pressure plate (1) is platelike structure, and its bottom is equipped with installation lug (6), the bottom surface middle part of installation lug (6) is equipped with the slot, and is equipped with the internal thread in the slot, upper cover (2) are platelike structure, and the corresponding position department with installation lug (6) on upper cover (2) is equipped with the perforation rather than the looks adaptation, pressure transmission piece (4) are big end down's step cylinder structure, and its upper end is equipped with the external screw thread with internal thread looks adaptation, the upper end threaded connection of pressure transmission piece (4) is in the slot of installation lug (6), the middle part of lower cover (3) is equipped with mounting groove (7) that are used for holding pressure transmission piece (4) and pressure diaphragm (5).
2. A gap plate with knee joint pressure detecting function according to claim 1, characterized in that: the pressure plate (1), the upper cover (2) and the lower cover (3) are installed and fixed in a matched mode through screws, the pressure plate (1) can move up and down in a gap range relative to the screws, and the upper cover (2) and the lower cover (3) are pressed tightly.
3. A gap plate with knee joint pressure detecting function according to claim 2, characterized in that: a first waterproof ring (8) is embedded between the edges of the upper cover (2) and the lower cover (3).
4. A gap plate with knee joint pressure detecting function according to claim 1, characterized in that: the signal conversion module is including epitheca (9) and inferior valve (10) that set up from top to bottom, inlay on epitheca (9) and be equipped with crystal screen (11) that are used for showing, be equipped with receiving module, first signal processor and second signal processor between epitheca (9) and inferior valve (10), first signal processor gathers the current signal who flows through pressure diaphragm (5) through receiving module to send for second signal processor, second signal processor converts current signal into pressure digital display signal and sends crystal screen (11) demonstration.
5. A gap plate with knee joint pressure detection function according to claim 4, characterized in that: a second waterproof ring (12) is embedded between the edges of the upper shell (9) and the lower shell (10).
6. A gap plate with knee joint pressure detection function according to claim 4, characterized in that: the signal cable overcoat is equipped with support casing (13), the both ends of support casing (13) respectively with lower cover (3) and inferior valve (10) fixed connection, be equipped with the trompil that supplies signal cable to pass on lower cover (3) and inferior valve (10) respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122060854.7U CN216090484U (en) | 2021-08-30 | 2021-08-30 | Gap plate with knee joint pressure detection function |
| PCT/CN2022/115514 WO2023030254A1 (en) | 2021-08-30 | 2022-08-29 | Gap gauge having knee joint pressure measurement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122060854.7U CN216090484U (en) | 2021-08-30 | 2021-08-30 | Gap plate with knee joint pressure detection function |
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| Publication Number | Publication Date |
|---|---|
| CN216090484U true CN216090484U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122060854.7U Active CN216090484U (en) | 2021-08-30 | 2021-08-30 | Gap plate with knee joint pressure detection function |
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| CN (1) | CN216090484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2021
- 2021-08-30 CN CN202122060854.7U patent/CN216090484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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