CN219183809U

CN219183809U - Auxiliary fixing device for CT or DR examination of ankle joint

Info

Publication number: CN219183809U
Application number: CN202320539866.4U
Authority: CN
Inventors: 徐聪慧; 陈利; 任杨
Original assignee: Chengdu Shangjin Nanfu Hospital
Current assignee: Chengdu Shangjin Nanfu Hospital
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-06-16
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses an ankle joint CT or DR examination auxiliary fixing device, which belongs to the technical field of medical auxiliary instruments and comprises an L-shaped substrate, wherein a support cushion for supporting legs is fixedly connected to the upper side of a transverse straight end of the L-shaped substrate, a leg groove is formed in the upper side of the support cushion, the side wall of the vertical end of the L-shaped substrate is of a hollow structure, a clamping mechanism is arranged in the vertical end of the L-shaped substrate, and a first opening is formed in the front side of the vertical end of the L-shaped substrate. According to the utility model, the supporting cushion, the clamping mechanism and the two clamping plates are arranged, so that the foot can be fixed, the operation is simple, the upward toe of the ankle joint can be ensured, the toe and the heel are in a horizontal line and are vertical to the long axis of the body, the position movement and the motion artifact of a patient in the checking process can be avoided, the measurement of the forefoot and the hindfoot force lines and the measurement of the joint and the joint surface can be conveniently carried out before the operation in clinic, and the manufacture of an operation scheme is facilitated.

Description

Auxiliary fixing device for CT or DR examination of ankle joint

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to an auxiliary fixing device for CT or DR examination of an ankle joint.

Background

Whether the ankle joint related anterior talofibular ligament is damaged or not can be checked through an anterior tensile stress position, when the distance between the distal ends of the talus and the tibia is smaller than 5mm, the distance can be normal, and the distance can be 5-10 mm, and the distance can be normal or abnormal, at the moment, the stress check of the lateral ankle joint is needed to be performed for comparison, and when the measured value is larger than 10mm, the stress check is definitely abnormal, so that the anterior tensile stress position check is important, at present, the ankle joint related ligament and tendon damage usually has two checking means, and one is magnetic resonance; the other is X-ray examination. No matter what kind of examination means is adopted, the patient is required to lie on the side to make the ankle joint part into a forward tensile stress posture during projection.

In a fixing device for CT scanning or X-ray examination of an ankle joint front tensile stress position (patent number: CN 205697818U) in China patent, the device comprises a bottom plate, wherein a front side plate and a rear side plate are arranged on the bottom plate, and one end of the bottom plate between the side plate and the rear side plate is perpendicular to a vertical plate against which a sole fixed by the bottom plate is abutted; an ankle joint top used for fixing the upper part of the ankle joint of the patient is vertically arranged on the front side plate; the device utilizes the rear side plate and the vertical plate which are fixed on the bottom plate and form a right angle, applies backward pressure to the position about 2cm above the ankle joint of the patient through the ankle joint top, forces the ankle joint of the patient to be in a forward tensile stress state, can easily enable the ankle joint of the patient to be in a forward tensile stress optimal CT scanning or X-ray projection position, accurately and reliably carries out CT scanning or X-ray image data, has important functions for judging, treating and predicting the disease degree of the patient by a diagnostician, but does not effectively fix the foot of the patient only by the ankle joint top abutting against the position above the ankle joint of the patient, thereby being difficult to ensure the stability of the foot during examination, further influencing the examination imaging quality and being unfavorable for medical staff to manufacture an operation scheme according to detection data.

Disclosure of Invention

The present utility model is directed to an ankle joint CT or DR examination auxiliary fixing device, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ankle joint CT or DR inspection auxiliary fixation device, includes L shape base plate, the horizontal straight end upside of L shape base plate fixedly connected with carries out the support cushion that supports the shank, and the upside of support cushion has seted up shank recess, the vertical end lateral wall of L shape base plate is hollow structure, and is equipped with fixture in the vertical end of L shape base plate, the vertical end front side of L shape base plate has seted up first opening, fixture's both ends pass first opening and fixedly connected with two splint that are used for carrying out the fixed foot respectively;

the clamping mechanism comprises a rotating rod inserted into the upper end of an L-shaped substrate and rotationally connected with the upper end of the L-shaped substrate, one end of the rotating rod extends into the L-shaped substrate and is fixedly connected with a first bevel gear, two side inner walls of the L-shaped substrate are rotationally connected with screw rods which are transversely arranged through bearing seats, one ends, close to the two screw rods, of the two screw rods are fixedly connected with second bevel gears which are meshed with the first bevel gears, two screw blocks which are symmetrically arranged are connected with the screw rods in a threaded manner, the front sides of the two screw blocks are fixedly connected with connecting rods, and one ends of the connecting rods penetrate through the first opening and are respectively fixedly connected with two clamping plates one by one.

As still further aspects of the utility model: the positioning rod is fixedly connected with the L-shaped substrate, two symmetrically arranged sliding sleeves are sleeved on the positioning rod, the front sides of the two sliding sleeves are fixedly connected with connecting rods, the front sides of the vertical ends of the L-shaped substrate are provided with second openings, and one ends of the two connecting rods penetrate through the second openings and are fixedly connected with the two clamping plates one by one respectively.

As still further aspects of the utility model: and one end of the rotating rod positioned on the outer side of the L-shaped substrate is fixedly connected with a hand wheel.

As still further aspects of the utility model: wherein, two the opposite side lateral wall of splint all fixedly connected with elasticity paster.

As still further aspects of the utility model: two leg side guard plates which are symmetrically arranged are fixedly connected to two ends of the upper side of the transverse straight end of the L-shaped substrate.

As still further aspects of the utility model: two symmetrical foot side guard plates are fixedly connected to two ends of the front side of the vertical end of the L-shaped substrate.

As still further aspects of the utility model: two anti-slip base pads which are symmetrically arranged are fixedly connected to two ends of the lower side of the transverse straight end of the L-shaped substrate.

As still further aspects of the utility model: the upper part of the rear side of the vertical end of the L-shaped substrate is fixedly connected with a handle frame.

Compared with the prior art, the utility model has the beneficial effects that:

1. this ankle joint CT or DR inspection auxiliary fixation device establishes patient's shank card in the shank recess on supporting the cushion through setting up support cushion, fixture and two splint, it fixes the vertical end front side at L shape base plate to paste the heel and the toe of patient's foot all, rotate the bull stick, drive first helical gear rotation, because first helical gear respectively with two second helical gear meshing, and then drive two lead screws and reverse rotation simultaneously, at this moment, drive two screw blocks and force the displacement toward similar direction, and then drive two splint clamping foot both sides fixed with two connecting rods and fix, easy operation, it is fixed firm, prevent the foot skew, improve stability, this device can guarantee ankle joint toe up, toe and heel are a horizon, and be the straightness with the long axis of the health, guarantee that the patient can not appear position movement and motion artifact in the inspection process, be convenient for clinical before the operation, measurement of forefoot and hindfoot, measurement of joint and joint line, the preparation of the scheme of being convenient for.

2. This ankle joint CT or DR inspection auxiliary fixation device when splint displacement, can drive the sliding sleeve fixed with the linking pole and slide the displacement on the locating lever, can play the effect of location support to the displacement of splint, makes this device structure more firm, long service life.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of an L-shaped substrate according to the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. an L-shaped substrate; 2. supporting a soft cushion; 3. leg grooves; 4. a first opening; 5. a clamping plate; 6. a rotating rod; 7. a first helical gear; 8. a screw rod; 9. a second helical gear; 10. a screw block; 11. a connecting rod; 12. a positioning rod; 13. a sliding sleeve; 14. a connecting rod; 15. a second opening; 16. a hand wheel; 17. an elastic patch; 18. leg side guard plates; 19. foot side guard plates; 20. an anti-slip bottom pad; 21. a handle frame.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present utility model, an auxiliary fixing device for checking a ankle joint CT or DR is provided, if two feet are checked simultaneously, two matching use is provided, the shape of the device is similar to a boot, the material is plastic, the device has low density, no metal artifact interference, the device comprises an L-shaped substrate 1, a supporting cushion 2 for supporting the leg is fixedly connected to the upper side of the transverse straight end of the L-shaped substrate 1, a sponge material is adopted, a leg groove 3 is formed on the upper side of the supporting cushion 2, the side wall of the vertical end of the L-shaped substrate 1 is of a hollow structure, a clamping mechanism is arranged in the vertical end of the L-shaped substrate 1, a first opening 4 is formed on the front side of the vertical end of the L-shaped substrate 1, two ends of the clamping mechanism respectively pass through the first opening 4 and are fixedly connected with two clamping plates 5 for fixing the feet, the lower leg of a patient is clamped in the leg groove 3 on the supporting cushion 2, the clamping mechanism drives the two clamping plates 5 to fasten the foot joint to the front side of the vertical end of the leg of the L-shaped substrate 1, the ankle joint of the foot is enabled to be a hollow structure, the upper side of the foot joint is enabled to face upwards, the foot joint is enabled to move along with the long axis and the foot joint is convenient to move in the front of the measuring plane and the foot joint, and the measurement plane is not convenient to be in the front of the measurement plane and the position of the foot joint, and the front of the joint is convenient to move with the foot joint and the front and the joint position is in the measurement plane and the front and the position of the front and the front of the operation;

the clamping mechanism comprises a rotating rod 6 inserted into the upper end of an L-shaped substrate 1 and rotationally connected with the upper end of the L-shaped substrate 1, one end of the rotating rod 6 extends into the L-shaped substrate 1 and is fixedly connected with a first bevel gear 7, two side inner walls of the L-shaped substrate 1 are rotationally connected with a screw rod 8 which is transversely arranged through a bearing seat, one ends of the two screw rods 8 which are close are fixedly connected with a second bevel gear 9 which is in meshed connection with the first bevel gear 7, two symmetrically arranged threaded blocks 10 are in threaded connection with the two screw rods 8, connecting rods 11 are fixedly connected to the front sides of the two threaded blocks 10, one ends of the two connecting rods 11 penetrate through a first opening 4 and are respectively and fixedly connected with two clamping plates 5 one by one, when the feet are required to be fixed, the lower sides of the feet are attached to the side walls of the vertical ends of the L-shaped substrate 1, the rotating rod 6 is rotated to drive the first bevel gear 7 to rotate, and the two screw rods 8 are respectively meshed with the two second bevel gears 9 so as to drive the two screw rods 8 to reversely rotate simultaneously, and further drive the two threaded blocks 10 to forcibly displace in the directions close to the two threaded blocks 10, and further drive the two clamping plates 11 to firmly fix the feet, so that the two clamping plates are fixedly clamped by the two clamping plates are prevented from being fixed.

As shown in fig. 1 and 2: fixedly connected with locating lever 12 in the L shape base plate 1, the cover is equipped with the sliding sleeve 13 that two symmetries set up on the locating lever 12, and the equal fixedly connected with of front side of two sliding sleeves 13 links up pole 14, the second opening 15 has been seted up to the vertical end front side of L shape base plate 1, the one end of two connecting rods 14 all passes second opening 15 and respectively with two splint 5 one-to-one fixed connection, when splint 5 displacement, can drive the sliding sleeve 13 that links up the pole 14 fixed on locating lever 12 sliding displacement, can play the effect of location support to the displacement of splint 5, make this device structure more firm, long service life.

As shown in fig. 2: one end of the rotating rod 6 positioned on the outer side of the L-shaped substrate 1 is fixedly connected with a hand wheel 16, so that the rotating rod 6 can be conveniently rotated.

As shown in fig. 1: the side walls of the two opposite sides of the clamping plates 5 are fixedly connected with elastic patches 17, so that the fitting degree of the foot is improved, the clamping is firmer, and the comfort level is high.

As shown in fig. 1: two symmetrically arranged leg side guard plates 18 are fixedly connected to two ends of the upper side of the transverse straight end of the L-shaped substrate 1, and the two sides of the legs are blocked and protected.

As shown in fig. 1: two symmetrical foot side guard plates 19 are fixedly connected to the two ends of the front side of the vertical end of the L-shaped substrate 1, and are used for blocking and protecting the two sides of the foot.

As shown in fig. 1: two symmetrically arranged anti-slip base pads 20 are fixedly connected to two ends of the lower side of the transverse straight end of the L-shaped base plate 1, so that anti-slip stability is improved.

As shown in fig. 1: the upper part of the rear side of the vertical end of the L-shaped base plate 1 is fixedly connected with a handle frame 21, so that the device is convenient to carry.

Working principle: when the device is used for CT or DR examination auxiliary fixation of ankle joints, the shank of a patient is clamped in a leg groove 3 on a support cushion 2, the heel and the toe of the foot of the patient are fixedly attached to the front side of the vertical end of an L-shaped substrate 1, a rotating rod 6 is rotated to drive a first bevel gear 7 to rotate, the first bevel gear 7 is meshed with two second bevel gears 9 respectively, so that two screw rods 8 are driven to reversely rotate simultaneously, the two screw rods 8 are meshed with two thread blocks 10 respectively, so that the two thread blocks 10 are driven to forcedly displace in the similar direction, and two clamping plates 5 fixed with two connecting rods 11 are driven to clamp the two sides of the foot for fixation, so that the operation is simple, the fixation is firm, the foot is prevented from deviating, the stability is improved, the device can ensure that the toe of the ankle joint faces upwards, the toe and the heel are in a horizontal line and are in a vertical 90-degree with a long axis of a body, the patient can not generate position movement and motion artifacts in the examination process, the measurement of the front foot and the rear foot face is convenient to carry out operation, the measurement of the front foot lines, the joint and the joint face are convenient to manufacture a scheme;

secondly, when splint 5 displacement, can drive the sliding sleeve 13 fixed with the linking pole 14 and slide the displacement on locating lever 12, can play the effect of location support to the displacement of splint 5, make this device structure more firm, long service life.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an ankle joint CT or DR inspection auxiliary fixation device, includes L shape base plate (1), its characterized in that, the horizontal straight end upside fixedly connected with of L shape base plate (1) carries out support cushion (2) that supports the shank, and support the upside of cushion (2) and seted up shank recess (3), the vertical end lateral wall of L shape base plate (1) is hollow structure, and is equipped with fixture in the vertical end of L shape base plate (1), first opening (4) have been seted up to the vertical end front side of L shape base plate (1), the both ends of fixture pass first opening (4) respectively and fixedly connected with two splint (5) that are used for carrying out the fixed foot;

the clamping mechanism comprises a rotating rod (6) inserted into the upper end of an L-shaped substrate (1) and rotationally connected with the upper end of the L-shaped substrate, one end of the rotating rod (6) extends into the L-shaped substrate (1) and is fixedly connected with a first bevel gear (7), two side inner walls of the L-shaped substrate (1) are rotationally connected with screw rods (8) which are transversely arranged through bearing seats, one ends, close to the two screw rods (8), of each screw rod are fixedly connected with a second bevel gear (9) which is meshed with the first bevel gear (7), two screw rods (8) are connected with two symmetrically arranged screw blocks (10) in a threaded manner, the front sides of the two screw blocks (10) are fixedly connected with connecting rods (11), and one ends of the connecting rods (11) penetrate through the first openings (4) and are fixedly connected with two clamping plates (5) one by one.

2. The auxiliary fixing device for ankle joint CT or DR examination according to claim 1, characterized in that a positioning rod (12) is fixedly connected in the L-shaped base plate (1), two symmetrically arranged sliding sleeves (13) are sleeved on the positioning rod (12), connecting rods (14) are fixedly connected to the front sides of the two sliding sleeves (13), a second opening (15) is formed in the front side of the vertical end of the L-shaped base plate (1), and one ends of the two connecting rods (14) penetrate through the second opening (15) and are fixedly connected with the two clamping plates (5) one by one respectively.

3. The auxiliary fixing device for ankle joint CT or DR examination according to claim 1 is characterized in that a hand wheel (16) is fixedly connected to one end of the rotating rod (6) located on the outer side of the L-shaped base plate (1).

4. An ankle joint CT or DR examination auxiliary fixing apparatus as claimed in claim 1, wherein elastic patches (17) are fixedly connected to opposite side walls of both of said splints (5).

5. The auxiliary fixing device for ankle joint CT or DR examination according to claim 1 is characterized in that two leg side guard plates (18) which are symmetrically arranged are fixedly connected to two ends of the upper side of the transverse straight end of the L-shaped base plate (1).

6. The auxiliary fixing device for ankle joint CT or DR examination according to claim 1 is characterized in that two symmetrical foot side guard plates (19) are fixedly connected to two ends of the front side of the vertical end of the L-shaped base plate (1).

7. The auxiliary fixing device for ankle joint CT or DR examination according to claim 1, wherein two symmetrically arranged anti-slip base pads (20) are fixedly connected to both ends of the lower side of the transverse straight end of the L-shaped base plate (1).

8. An ankle joint CT or DR examination auxiliary fixing apparatus as claimed in claim 1, wherein a handle frame (21) is fixedly connected to an upper portion of a rear side of a vertical end of the L-shaped base plate (1).