CN213640851U

CN213640851U - MRI ankle joint locating support

Info

Publication number: CN213640851U
Application number: CN202021183920.9U
Authority: CN
Inventors: 刘然申
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-07-09
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to the field of medical equipment, in particular to an MRI ankle joint positioning bracket, which comprises a base, wrapping cloth, an adjusting plate and an adjusting nut; the base comprises a bottom plate, two side plates and a back plate, the two side plates are fixedly arranged at two ends of the bottom plate in the width direction respectively, the upper end of one side plate is fixedly provided with one end of wrapping cloth, the other end of the wrapping cloth is provided with a magic tape A, and the other side plate is provided with a magic tape B matched with the magic tape A; the back plate is fixedly arranged at one end of the bottom plate in the length direction, the back plate is provided with an adjusting hole and a positioning hole, the base is provided with a through hole, the adjusting plate comprises a positioning plate, a threaded rod and a positioning rod are fixedly arranged on one surface of the positioning plate facing the back plate, the threaded rod penetrates through the adjusting nut and then penetrates through the adjusting hole, and the positioning rod penetrates through the positioning hole; the utility model discloses can fix a position patient ankle joint to can examine ankle joint with the cooperation of multichannel gentle coil.

Description

MRI ankle joint locating support

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of medical equipment, in particular to MRI ankle joint locating support.

[ background of the invention ]

Magnetic resonance imaging can present clear images of bones and soft tissues around the bones, including ligaments and muscles, and can help medical staff make correct diagnoses on patients. The ankle is one of the most complicated parts of the human body, and has the characteristics of extremely irregular bone morphology, large number, small volume, many joints, complex curved surfaces and curvatures, various ligaments and tendons, and complex kinematics and dynamics. The neutral position is an important functional position of the ankle of the human body, and CT or magnetic resonance examination at the position can provide more intuitive examination data for clinic. Currently, only a few hospitals are equipped with ankle joint dedicated coils, and most hospitals use multi-channel flexible coils instead.

For solving the problem of patient ankle location, chinese utility model with the authorization bulletin number CN208677419U discloses a body position pad for human body ankle neutral position imaging examination, which can locate patient ankle, but this body position pad can not place multichannel flexible coil, is difficult to examine ankle joint with multichannel flexible coil cooperation.

[ Utility model ] content

In order to solve the problem, the utility model aims to provide a MRI ankle joint locating support can fix a position patient's ankle joint to can examine ankle joint with the cooperation of multichannel flexible coil.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

an MRI ankle joint positioning brace, comprising: comprises a base, wrapping cloth, an adjusting plate and an adjusting nut; the base comprises a bottom plate, two side plates and a back plate, the bottom plate is horizontally arranged, the thickness of the bottom plate is larger than 30mm, the two side plates are vertically arranged in an opposite mode, the two side plates are fixedly arranged at two ends of the bottom plate in the width direction respectively, one surfaces, opposite to the two side plates, of the two side plates and the upper end face of the bottom plate form a groove-shaped accommodating cavity together, one end of wrapping cloth is fixedly arranged at the upper end of one side plate, the wrapping cloth is parallel to the length direction of the side plates, a magic tape A is arranged at the other end of the wrapping cloth, and a magic tape; the length direction of the back plate is vertical to the length direction of the bottom plate, the width direction of the back plate is vertical to the length direction of the side plate, the back plate is fixedly arranged at one end of the bottom plate in the length direction, the back plate is provided with an adjusting hole and a positioning hole, and the central line of the adjusting hole and the central line of the positioning hole are both parallel to the length direction of the side plate; the base is provided with a through hole which penetrates through the upper end surface and the lower end surface of the bottom plate and penetrates through two surfaces of the back plate vertical to the center line of the positioning hole; the regulating plate includes locating plate, threaded rod and locating lever, and the locating plate is on a parallel with the backplate setting, and the lower extreme slidable mounting of locating plate is at the holding intracavity, and the lower extreme tip of locating plate sets firmly threaded rod and locating lever in the one side of backplate apart from 15mm at least from both sides board 15mm apart from the up end of bottom plate at least 15mm, the both sides end tip of locating plate, the locating plate, and the locating lever activity is worn to establish the locating hole, and the threaded rod is worn to establish the activity again after adjusting the nut and is worn to establish the regulation hole, the threaded rod with adjusting nut screw-thread fit, adjusting nut's external diameter.

Preferably, the base, the adjusting plate and the adjusting nut are all made of nonmagnetic hard materials.

Preferably, the surface of the positioning plate, which faces away from the back plate, is covered with the non-magnetic soft material layer.

Preferably, the height of the upper end part of the positioning plate is equal to or less than that of the upper end part of the back plate, and the upper end part of the adjusting nut is at least 10mm higher than that of the back plate.

Preferably, the adjusting nut is rotatably mounted on the back plate.

Preferably, the clearance between locating lever and the locating hole is less than 0.05mm, and the thickness of backplate is greater than 10 mm.

Preferably, the number of the positioning holes is at least two, the number of the positioning rods is the same as that of the positioning holes, and each positioning rod penetrates through one positioning hole.

Preferably, a magic tape C is fixedly arranged on one surface of the bottom plate, which is back to the back plate; the extension pad is characterized by further comprising an extension pad, a through groove with an arc-shaped cross section is formed in the upper end face of the extension pad, the length direction of the through groove is consistent with that of the extension pad, when the bottom face of the extension pad and the bottom face of the bottom plate are positioned on the same horizontal plane, the lowest position of the through groove is 10-15mm higher than the upper end face of the bottom plate, and a magic tape D matched with the magic tape C is fixedly arranged on the end face of one end in the length direction of the extension pad; further preferably, the extension pad is made of a non-magnetic soft material; further preferably, the extension pad is in arc transition from top to bottom towards the end of the magic tape D.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses can make multichannel flexible coil stably place in the holding intracavity of base, the winding displacement of multichannel flexible coil can easily wear out from the through-hole of base, and after the winding displacement of multichannel flexible coil wore to establish the through-hole, can also play the positioning action to the multichannel flexible coil of holding intracavity, reduce rocking of multichannel flexible coil; the utility model, through the matching of the adjusting plate and the base, enables the sole of the patient to be vertical relative to the shank, and completes the neutral position positioning; the wrapping cloth of the utility model can effectively wrap the ankle joint of the patient to carry out MRI examination, and also plays a role in fixing the crus of the patient; the non-magnetic soft material layer with the thickness less than 10mm on the positioning plate of the utility model can not only improve the comfort of the patient in the examination process, but also can not influence the positioning stability; the utility model discloses an extension pad is effective increases the travelling comfort of placing of patient's shank, can also increase the stability of placing of ankle joint department.

[ description of the drawings ]

Fig. 1 is a schematic view of an MRI ankle joint positioning support provided by an embodiment of the present invention.

Fig. 2 is a schematic view of a base of an MRI ankle joint positioning support provided by an embodiment of the present invention.

Fig. 3 is a schematic view of an adjusting plate of an MRI ankle joint positioning support according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a second embodiment of an MRI ankle joint positioning brace according to embodiments of the present invention.

Fig. 5 is a schematic view of an extension pad of a second embodiment of an MRI ankle joint positioning brace according to embodiments of the present invention.

Wherein: 1-base, 11-bottom plate, 12-side plate, 121-magic tape B, 122-magic tape C, 13-back plate, 131-adjusting hole, 132-positioning hole, 14-through hole, 2-wrapping cloth, 21-magic tape A, 3-adjusting plate, 31-positioning plate, 32-threaded rod, 33-positioning rod, 4-adjusting nut, 5-extension pad, 51-magic tape D, 52-through groove.

[ detailed description ] embodiments

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. The accompanying drawings are only for illustrative purposes and are only schematic drawings rather than actual drawings, which are not intended to limit the present disclosure, and in order to better illustrate the embodiments of the present disclosure, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 3, in a preferred embodiment of the present invention, an MRI ankle joint positioning bracket includes a base 1, a wrapping cloth 2, an adjusting plate 3 and an adjusting nut 4; the base 1 comprises a bottom plate 11, two side plates 12 and a back plate 13, the bottom plate 11 is horizontally arranged, the thickness of the bottom plate 11 is larger than 30mm, the two side plates 12 are vertically arranged and are oppositely arranged, the two side plates 12 are respectively and fixedly arranged at two ends of the width direction of the bottom plate 11, one surfaces, opposite to the two side plates 12, and the upper end surface of the bottom plate 11 form a groove-shaped accommodating cavity together, one end of wrapping cloth 2 is fixedly arranged at the upper end of one side plate 12, the wrapping cloth 2 is parallel to the length direction of the side plates 12, magic tapes A21 are arranged at the other end of the wrapping cloth 2, and magic tapes B121 matched with the magic tapes A21; the length direction of the back plate 13 is perpendicular to the length direction of the bottom plate 11, the angle direction of the back plate 13 is perpendicular to the length direction of the side plate 12, the back plate 13 is fixedly arranged at one end of the bottom plate 11 in the length direction, the back plate 13 is provided with an adjusting hole 131 and a positioning hole 132, and the center line of the adjusting hole 131 and the center line of the positioning hole 132 are both parallel to the length direction of the side plate 12; the base 1 is provided with a through hole 14, the through hole 14 penetrates through the upper end face and the lower end face of the bottom plate 11 and penetrates through two faces of the back plate 13 perpendicular to the center line of the positioning hole 132, and the through hole 14 is used for facilitating the penetration of the multi-channel flexible coil flat cable; regulating plate 3 includes locating plate 31, threaded rod 32 and locating lever 33, locating plate 31 sets up in a parallel with backplate 13, the lower extreme slidable mounting of locating plate 31 is in the holding intracavity, and the lower extreme tip of locating plate 31 is apart from the up end of bottom plate 11 at least 15mm, the both sides end tip of locating plate 31 is apart from both sides board 12 at least 15mm, locating plate 31 sets firmly threaded rod 32 and locating lever 33 in the one side of backplate 13, locating lever 33 wears to establish locating hole 132, adjusting nut 4 back activity is worn to establish by threaded rod 32 again and is worn to establish adjusting hole 131, threaded

rod

32 and 4 screw-thread fit of adjusting nut, adjusting nut 4's external diameter is greater than adjusting hole 131's diameter.

In order to reduce the influence of the embodiment on the MRI examination to the maximum extent and enable the embodiment to have a stable structure, the base 1, the adjusting plate 3 and the adjusting nut 4 in the embodiment are all made of nonmagnetic hard materials, such as polypropylene plates, polyvinyl chloride plates or acrylic plates.

In order to increase the matching stability of the positioning rod 33 and the positioning hole 132, reduce the shaking of the adjusting plate 3 and ensure the stable positioning of the positioning plate 31, the adjusting nut 4 in the embodiment is rotatably installed on the back plate 13, the gap between the positioning rod 33 and the positioning hole 132 should be smaller than 0.05mm, and the thickness of the back plate 13 should be larger than 10 mm; preferably, there are at least two positioning holes 132, the number of the positioning rods 33 is the same as that of the positioning holes 132, and each positioning rod 33 is inserted through one positioning hole 132, so as to further increase the stability of the positioning plate 31.

For the comfort level of increase patient's foot, reduce the oppression of patient's foot and feel, the one side of locating plate 31 dorsad backplate 13 of this embodiment covers non-magnetic soft material layer, if: EPE, EVA or PU sponge, it should be noted that the thickness of this non-magnetic soft material layer should not be greater than 10mm, otherwise patient's foot easily rocks, causes MRI artifact, influences the result judgement.

In order to make the adjusting nut 4 easy to rotate in use, the height of the upper end of the positioning plate 31 in this embodiment is equal to or less than the height of the upper end of the back plate 13, the upper end of the adjusting nut 4 is at least 10mm higher than the upper end of the back plate 13, and when the adjusting nut is rotated to adjust the distance between the positioning plate 31 and the back plate 13, the upper end of the adjusting nut 4 is pulled.

When the multi-channel flexible coil locating plate is used, a patient lies on an MRI examination bed flatly, one end of a flat cable of a multi-channel flexible coil faces downwards, the flat cable of the multi-channel flexible coil is inserted into one side, located on the upper end face of a bottom plate 11, of a through hole 14 and penetrates out of one side, opposite to the bottom plate 11, of a back plate 13, the multi-channel flexible coil is placed in a containing cavity, and after the flat cable of the multi-channel flexible coil penetrates through the through hole 14, the multi-channel flexible coil in the containing cavity can be located, shaking of the multi-channel flexible coil is reduced, the locating plate 31 can be suspended on the inner side of a half-pack space of the multi-channel flexible coil due to the fact that the lower end portion of the locating plate 31 is at least 15mm away from the upper end face of the bottom plate 11; opening the multi-channel flexible coil, placing the ankle joint of the patient at the position close to the middle part of the inner side of the half-enclosed space of the multi-channel flexible coil, placing the foot of the patient on the multi-channel flexible coil, shifting the adjusting nut 4 to enable the adjusting plate 3 to move towards the sole of the patient and abut against the sole of the patient, enabling the sole of the patient to be vertical to the length direction of the crus, and completing neutral position positioning; the magic tape A21 is attached to the magic tape B121, the multi-channel flexible coil wraps the ankle joint of the patient under the action of the wrapping cloth 2, and meanwhile, the multi-channel flexible coil also plays a role in fixing the foot of the patient; and connecting the flat cable of the multi-channel flexible coil with a related instrument, and carrying out MRI examination.

Referring to fig. 1 to 5, on the basis of the above embodiments, in the second embodiment, a magic tape C122 is fixedly disposed on a surface of the bottom plate 11 opposite to the back plate 13; the extension pad is characterized by further comprising an extension pad 5, a through groove 52 with a circular arc-shaped cross section is formed in the upper end face of the extension pad 5, the length direction of the through groove 52 is consistent with the length direction of the extension pad 5, when the bottom face of the extension pad 5 and the bottom face of the bottom plate 11 are located at the same horizontal plane, the lowest position of the through groove 52 is 10-15mm higher than the upper end face of the bottom plate 11, and a magic tape D51 matched with the magic tape C122 is fixedly arranged on one end face of the extension pad 5 in the length direction.

In order to reduce the influence of the embodiment on the MRI examination to the maximum extent and increase the comfort of the patient, the extension pad 5 of the embodiment is made of a non-magnetic soft material, the extension pad 5 of the embodiment is provided with a plurality of specifications with different lengths, when in use, the extension pad 5 with the proper length is selected according to the length of the shank of the patient, the bottom surface of the extension pad 5 and the bottom surface of the bottom plate 11 are placed on the same bed surface, the magic tape C122 and the magic tape D51 are attached, and the rest of the using steps are the same as those of the first embodiment, and are not described herein again; because the lowest of logical groove 52 is higher than bottom plate 11 up end 10-15mm, the lowest of logical groove 52 is in same height with the multichannel coil inside surface bottom of placing in the holding intracavity basically, the laminating nature of logical groove 52 and human shank that the cross-section is circular arc is high, the shank that the patient is in the multichannel coil outside can be placed on extension pad 5 comfortably, reduce pressing against the pain sense of patient's shank, also increase patient's ankle joint's stability of placing simultaneously, the condition that the significantly reduced leads to the patient's ankle joint to move up and lead to the unstable location because of leverage leads to takes place.

Preferably, extension pad 5 is carried forward to magic subsides D51's one end from last arc transition down for this one end can be laminated patient's popliteal nest well and place, further improves patient's travelling comfort, improves the stability of placing of patient's shank.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. An MRI ankle joint positioning brace, comprising: comprises a base, wrapping cloth, an adjusting plate and an adjusting nut; the base comprises a bottom plate, two side plates and a back plate, the bottom plate is horizontally arranged, the thickness of the bottom plate is larger than 30mm, the two side plates are vertically arranged in an opposite mode, the two side plates are fixedly arranged at two ends of the bottom plate in the width direction respectively, one surfaces, opposite to the two side plates, of the two side plates and the upper end surface of the bottom plate form a groove-shaped accommodating cavity together, one end of wrapping cloth is fixedly arranged at the upper end of one side plate, the wrapping cloth is parallel to the length direction of the side plates, a magic tape A is arranged at the other end of the wrapping cloth, and a magic tape B matched with the magic tape A is arranged on the other side; the length direction of the back plate is perpendicular to the length direction of the bottom plate, the width direction of the back plate is perpendicular to the length direction of the side plate, the back plate is fixedly arranged at one end of the bottom plate in the length direction, an adjusting hole and a positioning hole are formed in the back plate, and the center line of the adjusting hole and the center line of the positioning hole are parallel to the length direction of the side plate; the base is provided with a through hole which penetrates through the upper end surface and the lower end surface of the bottom plate and penetrates through two surfaces of the back plate, which are perpendicular to the center line of the positioning hole; the regulating plate includes locating plate, threaded rod and locating lever, the locating plate is on a parallel with the backplate sets up, the lower extreme slidable mounting of locating plate is in the holding intracavity, just the lower extreme tip distance of locating plate 15mm at least for the up end of bottom plate the both sides end tip distance of locating plate is two 15mm at least for the curb plate, the locating plate orientation sets firmly in the one side of backplate threaded rod and locating lever, the locating lever activity is worn to establish the locating hole, the threaded rod is worn to establish the activity is worn to establish again behind the adjusting nut the regulation hole, the threaded rod with adjusting nut screw-thread fit, adjusting nut's external diameter is greater than the diameter of regulation hole.

2. An MRI ankle positioning brace according to claim 1, wherein: the base, the adjusting plate and the adjusting nut are all made of nonmagnetic hard materials.

3. An MRI ankle positioning brace according to claim 1, wherein: and one surface of the positioning plate, which is back to the back plate, is covered with a non-magnetic soft material layer.

4. An MRI ankle positioning brace according to claim 1, wherein: the height of the upper end part of the positioning plate is equal to or less than that of the upper end part of the back plate, and the upper end part of the adjusting nut is at least 10mm higher than that of the back plate.

5. An MRI ankle positioning brace according to claim 1, wherein: the adjusting nut is rotatably mounted on the back plate.

6. An MRI ankle positioning brace according to claim 1, wherein: the clearance between the positioning rod and the positioning hole is smaller than 0.05mm, and the thickness of the back plate is larger than 10 mm.

7. An MRI ankle joint positioning brace according to claim 5, wherein: the number of the positioning holes is equal to that of the positioning holes, and each positioning rod penetrates through one positioning hole.

8. An MRI ankle positioning brace according to claim 1, wherein: a magic tape C is fixedly arranged on one surface of the bottom plate, which is back to the back plate; still include the extension pad, the extension is gone up the up terminal surface and is seted up the cross-section and be convex logical groove, the length direction who leads to the groove with the length direction who prolongs the pad is unanimous, the bottom surface that prolongs the pad with when the bottom surface of bottom plate is in same horizontal plane, the lowest that leads to the groove is higher than bottom plate up end 10-15mm, it pastes D with magic subsides C complex magic to set firmly on the one end terminal surface of extension pad length direction.

9. An MRI ankle positioning brace according to claim 8, wherein: the extension pad is made of a non-magnetic soft material.

10. An MRI ankle positioning brace according to claim 8, wherein: the extension pad is back to the one end of magic subsides D is from last down circular arc transition.