CN212118164U - Knee joint stress position X-ray photography auxiliary device - Google Patents
Knee joint stress position X-ray photography auxiliary device Download PDFInfo
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- CN212118164U CN212118164U CN201921672337.1U CN201921672337U CN212118164U CN 212118164 U CN212118164 U CN 212118164U CN 201921672337 U CN201921672337 U CN 201921672337U CN 212118164 U CN212118164 U CN 212118164U
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- clamping
- knee joint
- clamping plate
- dynamometer
- supporting rod
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Abstract
The utility model relates to a knee joint stress position X-ray photography auxiliary device, which comprises a supine device and a clamping device, wherein the supine device is of a trapezoidal table structure, the upper surface of the trapezoidal table is a plane parallel to the bottom surface, and a first side surface of the trapezoidal table and the bottom surface form an angle of 20 degrees; the clamping device comprises a clamping part, a clamping adjusting part and a dynamometer; the clamping part comprises a clamping plate, a clamping plate connecting part and a leg fixing part, a sliding groove is formed in the clamping plate, and the leg fixing part is arranged on the outer side of the clamping plate; the clamping adjusting part comprises a supporting rod, an adjusting nut and an opening rod; the clamping plate is rotatably connected with the supporting rod, the two ends of the supporting rod are respectively provided with a bulge, the upper end bulge can slide in a chute on the inner side of the clamping plate, and the lower end of the supporting rod is rotatably connected with the dynamometer through the lower end bulge; the adjusting nut is sleeved outside the supporting rod and arranged at the lower end of the dynamometer, and the supporting rod is provided with a thread matched with the inside of the adjusting nut; the dynamometer is sleeved on the outer side of the supporting rod, and two ends of the dynamometer are slidably connected with the clamping plate.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to knee joint stress position X ray photography auxiliary device.
Background
The knee joint stress position X-ray is an important reference for joint surgeons to judge the wear condition of the inner and outer compartments of the knee joint and the tension of the inner and outer collateral ligaments. Compared with other evaluation modes such as nuclear magnetic resonance and the like, the method is convenient and easy to implement and low in price, and still has some problems to be solved. At present, when X-rays of stress positions of inversion or eversion of knee joints are shot, corresponding auxiliary devices are lacked. First, in order to maintain the angle of inversion or eversion of the patient's knee, the physician or the patient's family is often required to assist the patient in supporting the legs, which creates unnecessary X-ray radiation to the physician or the patient's family; in addition, because the hand placing and supporting operation is carried out, the force angles and the like supported by different people are different, so that the repeatability of the X-ray film is poor, quantification cannot be carried out, and the correct judgment of the main doctor on the force position X-ray can be influenced frequently; moreover, in the existing stress position X-ray photography, the knee joint tibial plateau can be photographed only by swinging the X-ray ball head to form an included angle of 10 degrees with the vertical line and aligning the included angle with the included angle, but the artificial angle adjustment is not accurate, and errors are easy to generate.
Disclosure of Invention
The utility model aims to provide a stress position X-ray photography auxiliary device which can assist a patient to independently complete the stress position arrangement of the inversion or eversion of the knee joint and reduce the radiation risk of other personnel; the first side surface and the bottom surface of the trapezoidal table are designed into an angle of 20 degrees, and the X-ray ball heads are conveniently placed after a patient lies in position; the dynamometer can quantitatively measure the stress of the inner and outer turns, and is visual and convenient.
The utility model provides a stress position X-ray photography auxiliary device, which comprises a supine device and a clamping device, wherein the supine device is of a trapezoidal table structure, the upper surface of the trapezoidal table is a plane parallel to the bottom surface, and a first side surface of the trapezoidal table and the bottom surface form an angle of 20 degrees;
the clamping device comprises a clamping part, a clamping adjusting part and a dynamometer;
the clamping part comprises a clamping plate, a clamping plate connecting part and a leg fixing part, the clamping plate is divided into a left part and a right part, and the leg fixing part is arranged on the outer side of the clamping plate;
the clamping adjusting part comprises a supporting rod, an adjusting nut and an opening rod; the clamping plate is rotatably connected with the supporting rod through a clamping plate connecting part, two ends of the supporting rod are respectively provided with a bulge, the upper end bulge can slide in a chute on the inner side of the clamping plate, and the lower end of the supporting rod is rotatably connected with the dynamometer through a lower end bulge; the adjusting nut is sleeved on the outer side of the supporting rod and arranged at the lower end of the dynamometer, and the supporting rod is provided with threads matched with the inside of the adjusting nut;
the dynamometer cover is established the bracing piece outside, the dynamometer both ends with grip block slidable connection.
In the above knee joint stress position X-ray photography assisting device, preferably, a first connecting member is provided on one side of the holding plate, and a second connecting member corresponding to the first connecting member is provided on an upper surface of the trapezoidal table.
In the above knee joint stress position X-ray photography auxiliary device, preferably, the length of the upper surface of the trapezoidal table is greater than or equal to the total length from the patella of the knee joint to the foot of the limb healthy person when the limb healthy person stands, and the width is greater than the width of the lower limb when the internal and external varus stress occurs.
In the above knee joint stress position X-ray photography auxiliary device, preferably, the height of the outer side surface of the clamping device is greater than the height of the knee joint of a limb healthy person lying on the back and is less than the height of the thigh of an ordinary adult person lying on the back.
Above knee joint stress position X ray photography auxiliary device, preferably, the dynamometer both ends are equipped with the slider, slider thickness with grip block inboard spout height-match.
In the above-mentioned knee joint stress position X-ray photography auxiliary device, preferably, the slide block is connected to an elastic tension member of the dynamometer.
In the above-mentioned knee joint stress position X-ray photography auxiliary device, preferably, the dynamometer is provided with a display device capable of direct reading.
In the above-mentioned knee joint stress position X-ray photography auxiliary device, preferably, the display device capable of directly reading is a pointer type display device or a digital display type display device.
In the above-mentioned knee joint stress position X-ray photography auxiliary device, preferably, the corners of the supine device and the holding device are rounded.
In the above-described knee joint stress position X-ray imaging support device, preferably, the first connection member and the second connection member are velcro fasteners.
The utility model discloses a knee joint stress position X-ray photography auxiliary device, including supine device and clamping device, supine device is trapezoidal platform structure, trapezoidal bench surface is the plane parallel with the bottom surface, and the first side of trapezoidal platform becomes 20 degrees angles with the bottom surface, and the patient lies and puts shank and knee joint portion behind trapezoidal platform upper surface after taking one's place, and the photographic instrument only need perpendicular to the knee joint directly shoot can, need not hard to adjust the angle, and the photographic instrument sets up conveniently; the clamping device comprises a clamping part, a clamping adjusting part and a dynamometer, the clamping part comprises clamping plates, clamping plate connecting parts and leg fixing parts, the clamping adjusting part comprises a supporting rod, an adjusting nut and an opening rod, two legs of a patient clamp the outer side surfaces of the two clamping plates of the clamping device, the stress position of the knee joint during the inversion or the eversion can be placed, the adjusting nut can be rotated to adjust the opening angle of the two clamping plates before clamping, the patient can automatically clamp the knee joint after adjustment, assistance of other people is not needed, and radiation to other people is avoided; the clamping device is also provided with a dynamometer, can quantitatively measure the stress of the patient turning inside and outside, is visual and convenient, fills the existing blank, and is beneficial to clinical practice and scientific research.
Drawings
FIG. 1 is a front view of the supine device of the present invention;
FIG. 2 is a rear view of the supine device of the present invention;
FIG. 3 is a top view of the supine device of the present invention;
FIG. 4 is a bottom view of the supine device of the present invention;
FIG. 5 is a left side view of the supine device of the present invention;
FIG. 6 is a right side view of the supine device of the present invention;
FIG. 7 is a schematic view of the supine device of the present invention;
fig. 8 is a front view of the clamping device of the present invention;
fig. 9 is a rear view of the clamping device of the present invention;
fig. 10 is a top view of the clamping device of the present invention;
fig. 11 is a bottom view of the holding device of the present invention;
fig. 12 is a left side view of the clamping device of the present invention;
fig. 13 is a right side view of the clamping device of the present invention;
fig. 14 is a schematic view of the clamping device of the present invention;
fig. 15 is an exploded view of the clamping device of the present invention;
FIG. 16 is a schematic view of the knee joint stress position X-ray photography auxiliary device of the present invention;
FIG. 17 is a schematic view showing a state of use of a conventional X-ray photographing apparatus;
fig. 18 is a schematic view of the knee joint stress position X-ray photography auxiliary device of the present invention in use.
Reference numerals:
the supine device 1, the first side 11 of the trapezoidal table, the second connecting part 12, the clamping device 2, the clamping part 21, the clamping plate 211, the accommodating groove 2111, the sliding groove 2112, the clamping plate connecting part 212, the leg fixing part 213, the clamping adjusting part 22, the supporting rod 221, the adjusting nut 222, the opening rod 223, the projection 2231, the dynamometer 23, the sliding block 231, the clamping groove 232, the first connecting part 3 and the X-ray bulb 4.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art. The present invention will be described in detail with reference to the accompanying drawings and examples.
As used in this application, the terms "upper", "lower", "inner" and "outer" refer to the orientation and position shown in the drawings.
As shown in fig. 1-18, the utility model provides a knee joint stress position X-ray photography auxiliary device, including supine device 1 and clamping device 2, supine device 1 is trapezoidal platform structure, trapezoidal bench surface is the plane parallel with the bottom surface, and the first side 11 of trapezoidal platform becomes 20 degrees angles with the bottom surface.
The length of the upper surface of the trapezoidal table is larger than or equal to the total length from the knee to the sole of a common adult when the common adult stands, and the width of the upper surface of the trapezoidal table is larger than the sum of the widths of the two knees when a limb health person stands; preferably, the length of the upper surface of the trapezoidal table is 60cm and the width is 50 cm. The height of the side surface of the clamping device 1 is larger than the height of the knees of a limb health person lying on the back and is smaller than the height of thighs of an ordinary adult person lying on the back, and the height is preferably 15 cm.
The clamping device 2 includes a clamping portion 21, a clamping adjustment portion 22, and a load cell 23.
The clamping part comprises a clamping plate 211, a clamping plate connecting part 212 and a leg fixing part 213, wherein the clamping plate 211 is divided into a left part and a right part, and the leg fixing part 213 is arranged on the outer side of the clamping plate; the holding plate 211 can be made of plastic, resin and other materials with certain hardness, the leg fixing parts 213 can be in a belt-shaped structure, preferably, a plurality of leg fixing parts 213 can be used for fixing the legs by adjusting the tightness according to the leg conditions of the patient, so that the patient can feel more comfortable during the fixing; specifically, the leg fixing part 213 is a velcro tape or a fixing tape with snap fasteners that are fitted to each other.
The clamping adjustment part 22 comprises a support rod 221, an adjustment nut 222 and an opening rod 223; the clamping plate 211 is rotatably connected with the supporting rod 221 by a clamping plate connecting part 212; the clamping plate coupling member 212 may be any rotatable coupling such as: and (7) a pin shaft. The two ends of the opening rod 223 are both provided with protrusions 2231, specifically, the protrusions 2231 are divided into an upper end protrusion and a lower end protrusion, the upper end protrusion can slide in the sliding groove 2112 inside the holding plate 211, preferably, the inside of the holding plate 211 is further provided with a receiving groove 2111, and the upper end of the supporting rod 221 can be accommodated in the receiving groove 2111, so that the sliding connection is smoother; the dynamometer 23 is provided with a clamping groove 232 capable of accommodating the lower end bulge, and the lower end of the support rod 221 is rotatably connected with the dynamometer through the lower end bulge; the adjusting nut 222 is sleeved on the outer side of the supporting rod 221 and arranged at the lower end of the dynamometer 23, the supporting rod 221 is provided with a thread matched with the inner part of the adjusting nut 222, and the adjusting nut 222 can move up and down along the supporting rod 221 by rotating the adjusting nut 222.
The dynamometer 23 is sleeved on the outer side of the supporting rod, and two ends of the dynamometer 23 are slidably connected with the clamping plate 211. Specifically, the two ends of the load cell 23 are provided with sliders 231, the thickness of the sliders 231 matches the height of the sliding grooves inside the clamping plate 211, and the sliders 231 can slide in the sliding grooves 2112. Preferably, the slide block 231 is connected to an elastic tension member of the force gauge, and the slide block 231 slides upwards or downwards to pull the elastic tension member to make the force gauge 23 generate a reading, which is the magnitude of the inward and outward turning stress. Preferably, the load cell 23 is provided with a display device that can be read directly. Still preferably, the display device capable of direct reading is a pointer type display device or a digital display type display device.
Preferably, the holding plate 211 is provided with a first connecting part 3 on one side, and the upper surface of the trapezoidal table is provided with a second connecting part 12 corresponding to the first connecting part 3, and the first connecting part 3 and the second connecting part cooperate to fix the position of the holding device 2 on the upper surface of the supine device 1. Preferably, the first and second connecting parts 3 and 12 are velcro fasteners. More preferably, the first connecting part 3 is a hook surface, and the second connecting part 12 on the supine device 1 is a suede surface, so that the discomfort of the supine leg caused by the hook surface with large friction force is avoided.
Preferably, the corners of the supine device 1 and the clamping device 2 are rounded corners, so that the patient can be prevented from colliding and causing uncomfortable experience.
When the supination device is used, a doctor connects the first connecting part 3 of the clamping device 2 with the second connecting part 12 of the supination device 1, places the clamping device 2 according to the requirement of the varus or valgus stress position photography (when the valgus stress position is used for photography, the side of the clamping device 2 without the clamping plate 211 is placed close to the ankle part of a patient, when the valgus stress position is used for photography, the side of the clamping device 2 without the clamping plate 211 is placed at the inner side of the double knee joints of the patient), then fixes the leg of the patient through the fixing part 213, rotates the adjusting nut 222 according to the requirement of photography, enables the adjusting nut 222 to move upwards or downwards, pushes the dynamometer 23 upwards or downwards, enables the opening rod 223 to open or close the clamping plate 211, and enables the leg of the patient. The patient lies on the first side surface 11 of the trapezoidal table of the supination device 1, the knee joint and the lower part are placed on the upper surface of the trapezoidal table, the knee joint, the lower leg and the ankle joint clamp the clamping plate 211 of the clamping device 2, and the dynamometer 23 can display the reading; the imaging device (X-ray ball 4) was vertically placed on the knee joint of the patient, and imaging was started.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A knee joint stress position X-ray photography auxiliary device is characterized by comprising a supination device and a clamping device, wherein the supination device is of a trapezoidal table structure, the upper surface of the trapezoidal table is a plane parallel to the bottom surface, and a first side surface of the trapezoidal table and the bottom surface form an angle of 20 degrees;
the clamping device comprises a clamping part, a clamping adjusting part and a dynamometer;
the clamping part comprises a clamping plate, a clamping plate connecting part and a leg fixing part, the clamping plate is divided into a left part and a right part, a sliding groove is formed in the clamping plate, and the leg fixing part is arranged on the outer side of the clamping plate;
the clamping adjusting part comprises a supporting rod, an adjusting nut and an opening rod; the clamping plate is rotatably connected with the supporting rod through a clamping plate connecting part, two ends of the supporting rod are respectively provided with a bulge, the upper end bulge can slide in a chute on the inner side of the clamping plate, and the lower end of the supporting rod is rotatably connected with the dynamometer through a lower end bulge; the adjusting nut is sleeved on the outer side of the supporting rod and arranged at the lower end of the dynamometer, and the supporting rod is provided with threads matched with the inside of the adjusting nut;
the dynamometer cover is established the bracing piece outside, the dynamometer both ends with grip block slidable connection.
2. The knee joint stress position radiography supporting apparatus according to claim 1, wherein a first connecting member is provided on one side of the holding plate, and a second connecting member corresponding to the first connecting member is provided on an upper surface of the trapezoidal table.
3. The knee joint stress position X-ray photography assisting device of claim 1, wherein the length of the upper surface of the trapezoidal table is greater than or equal to the total length from the patella to the foot of the knee joint when a limb health person stands, and the width of the upper surface of the trapezoidal table is greater than the width of the lower limb when the knee joint stress position X-ray photography assisting device is under the varus and valgus stress.
4. The apparatus as claimed in claim 1, wherein the height of the outer side of the holding means is larger than the height of the knee joint of a healthy person with limbs lying on the back and smaller than the height of the thigh of a normal adult person lying on the back.
5. The knee joint stress position X-ray photography auxiliary device of claim 1, wherein the two ends of the dynamometer are provided with sliding blocks, and the thickness of the sliding blocks is matched with the height of the sliding grooves on the inner side of the clamping plate.
6. The knee joint stress position radiography aid of claim 5 wherein the slider is connected to an elastic tension member of the force gauge.
7. The knee joint stress position radiography supporting apparatus according to claim 1, wherein the dynamometer is provided with a display device capable of direct reading.
8. The knee joint stress position X-ray photography assisting device of claim 7, wherein the display device capable of direct reading is a pointer type display device or a digital display device.
9. The knee joint stress position radiography aid of claim 1 wherein the corners of the supine device and the holding device are rounded.
10. The knee joint stress position radiography apparatus of claim 2 wherein said first coupling member and said second coupling member are velcro.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921672337.1U CN212118164U (en) | 2019-10-09 | 2019-10-09 | Knee joint stress position X-ray photography auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921672337.1U CN212118164U (en) | 2019-10-09 | 2019-10-09 | Knee joint stress position X-ray photography auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212118164U true CN212118164U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921672337.1U Expired - Fee Related CN212118164U (en) | 2019-10-09 | 2019-10-09 | Knee joint stress position X-ray photography auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212118164U (en) |
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2019
- 2019-10-09 CN CN201921672337.1U patent/CN212118164U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201211 Termination date: 20211009 |