Knee fixing device for knee joint magnetic resonance

Abstract

The knee fixing device for knee joint magnetic resonance comprises a first end block, an assembling groove is formed in the end face of the first end block, an adjusting assembly is arranged in the assembling groove, and one end of the adjusting assembly is connected with a second end block; by means of the first end block, the second end block, the adjusting assembly, the thorn face hook-and-loop fastener and the loop face hook-and-loop fastener, when magnetic resonance imaging is conducted on the knee joint of an examinee, a screw cylinder of the adjusting assembly is rotated, and the screw cylinder and a screw rod are screwed in a threaded mode to adjust the distance between the first end block and the second end block; the knee joints of a patient are straightened and fixed by enabling the knee joints to be located on the two sides of the knee and far away from the knee by a certain distance, then the first end block and the second end block abut against the side portions of the knee joints, and the hook-and-loop fasteners and the loop fasteners are fixed to the legs in an adhesion mode, so that the knee joints of the patient are straightened and fixed, and it is avoided that nuclear magnetic imaging is affected due to the fact that the knee joints do not stretch properly or suddenly change the bending state in the examination process; the inspection precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to knee joint magnetic resonance technical field, concretely relates to a knee joint magnetic resonance is with knee fixing device. BACKGROUND

[0002] The knee joint is a relatively complex joint, and the anatomical structure of the knee joint includes the femur, tibia, patella, medial and lateral meniscus, anterior and posterior cruciate ligament and medial and lateral collateral ligament, joint capsule and the like. If the knee joint is diseased, only the magnetic resonance examination can more clearly and accurately determine the damage of the knee joint. The magnetic resonance can accurately display the anatomical structure of the knee joint, and enable the doctor to better determine whether the knee joint is injured or degenerated, or which part is damaged, and then perform symptomatic treatment according to the situation.

[0003] In the existing knee joint magnetic resonance examination, the patient lies on the examination bed and enters the examination instrument to realize the imaging of the knee joint, but the following defects exist in the examination: (1) because the examinees are different, some patients cannot guarantee the straightening of the knee joint part or the bending during the examination, and the above-mentioned conditions are easy to cause the deviation of the magnetic resonance examination. Therefore, a knee joint magnetic resonance knee fixing device is provided. UTILITY MODEL CONTENT

[0004] The utility model discloses a knee joint magnetic resonance knee fixing device, which can solve the problem that the bending or stretching of the knee joint part during the knee joint magnetic resonance examination affects the examination accuracy.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a knee joint magnetic resonance knee fixing device, which comprises a first end block, an assembly groove is formed in the end face of the first end block, an adjusting assembly is arranged in the assembly groove, one end of the adjusting assembly is connected with a second end block, and the surfaces of the second end block and the first end block are respectively provided with a rough surface magic tape and a smooth surface magic tape.

[0006] Preferably, the adjusting assembly is composed of a screw cylinder, a screw rod and a blocking column, the screw cylinder is arranged in the assembly groove, the screw cylinder and the screw rod are connected through threads, one end of the screw rod is fixed on the surface of the second end block, a blocking groove with a circular cross section is formed in the side wall of the screw cylinder, the blocking column is arranged in the inner side of the blocking groove, and the blocking column is fixed on the assembly cylinder.

[0007] Preferably, a ball groove is formed in the end face of the blocking column, and a ball is embedded in the ball groove.

[0008] Preferably, the surface of the screw rod and the second end block is jointly connected with a rib plate, and the cross section of the rib plate is a triangular structure.

[0009] Preferably, the number of the webs is four, and the four webs are in a circular array about the central axis of the screw rod.

[0010] Preferably, the longitudinal section of the screw cylinder is a circular structure, and a rubber sleeve is sleeved on the outer wall of one end of the screw cylinder.

[0011] Preferably, the surface of the first end block and the second end block is fixed with a sponge pad, and the cross section of the sponge pad is a square structure.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) through the design of the first end block, the second end block, the adjusting assembly, the magic sticker of the pricking surface and the magic sticker of the wool surface, the first end block, the second end block and the adjusting assembly of the utility model are all made of plastic products, when the knee joint magnetic resonance imaging of the examinee is carried out, the distance between the first end block and the second end block is adjusted by rotating the screw cylinder of the adjusting assembly, and the screw cylinder and the screw rod are screwed, so that the first end block and the second end block are on the two sides of the knee joint and are away from a certain distance, then the first end block and the second end block are leaned on the side of the knee joint, one of the magic sticker of the pricking surface and the magic sticker of the wool surface passes through the bottom end of the leg, and the magic sticker of the pricking surface and the magic sticker of the wool surface are adhered and fixed on the leg, the knee joint of the patient is fixed straight, the knee joint is prevented from being stretched or suddenly changed in the bending state in the examination process, the nuclear magnetic imaging is affected, the examination precision is improved, through the design of the blocking column and the blocking groove, the cross section of the blocking groove is circular, the blocking column is clamped in the blocking groove, the screw cylinder is limited in the axial direction when rotating, the screw cylinder is prevented from shaking back and forth, through the design of the ball, the lubrication is achieved, the friction resistance and wear of the end of the blocking column and the surface of the blocking groove are prevented, through the design of the web, the connecting part of the screw rod and the second end block is reinforced to prevent cracking, through the design of the rubber sleeve, the friction coefficient of one end of the screw cylinder is increased, the hand is more easy to rotate the screw cylinder, through the design of the sponge pad, the sponge pad has the soft feature, the contact position of the end block and the leg is soft, and the discomfort is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structural schematic view of the utility model;

[0015] Fig. 2 It is the assembly sectional view of the first end block and the screw cylinder of the utility model;

[0016] Fig. 3 It is the assembly front view of the second end block and the screw rod of the utility model;

[0017] Fig. 4 It is the perspective view of the screw cylinder of the utility model;

[0018] In the figure: 1, the first end block; 2, the sponge pad; 3, the blocking column; 4, the adjusting assembly; 5, the magic tape of the pricking surface; 6, the second end block; 7, the magic tape of the wool surface; 8, the screw rod; 9, the rubber sleeve; 10, the screw cylinder; 11, the blocking groove; 12, the ball; 13, the assembling groove; 14, the rib plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] EMBODIMENT

[0021] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a knee fixing device for knee joint magnetic resonance, including first end block 1, the end face of first end block 1 is equipped with assembly groove 13, the inside of assembly groove 13 is provided with adjusting assembly 4, and one end of adjusting assembly 4 is connected with second end block 6, and the surface of second end block 6 and first end block 1 is installed with prickle face magic tape 5 and hair face magic tape 7 respectively, adjusting assembly 4 is composed of screw cylinder 10 screw rod 8 and baffle column 3, screw cylinder 10 is arranged in the inside of assembly groove 13, and screw cylinder 10 and screw rod 8 are connected through thread, by the first end block 1 of design, second end block 6, adjusting assembly 4, prickle face magic tape 5 and hair face magic tape 7, the first end block 1 of utility model, second end block 6, adjusting assembly 4 all adopt plastic products, when the knee joint magnetic resonance imaging of examinee, the screw cylinder 10 rotation of adjusting assembly 4, screw cylinder 10 and screw rod 8 carry out thread screwing and adjust the interval between first end block 1 and second end block 6, make it be in the both sides of knee and keep away a certain distance, again first end block 1 and second end block 6 lean against the side of knee joint, and one of prickle face magic tape 5 and hair face magic tape 7 passes through the bottom end of leg, and prickle face magic tape 5 and hair face magic tape 7 are adhered and fixed on the leg, and the knee joint of patient is straightened and fixed, avoids the knee joint in the examination process and is not worth or suddenly changes the bending state and influences nuclear magnetic imaging, improves the examination precision, and one end of screw rod 8 is fixed on the surface of second end block 6, the lateral wall of screw cylinder 10 is equipped with the baffle groove 11 of circular shape of section, the inside of baffle groove 11 is provided with baffle column 3, by the design of baffle column 3 and baffle groove 11, the section of baffle groove 11 is circular, and baffle column 3 is clamped in baffle groove 11, guarantees that screw cylinder 10 is rotated while being limited to its axial direction, avoids to and fro shake, baffle column 3 is fixed on the assembly cylinder, the end face of baffle column 3 is equipped with ball groove, and the ball groove is inlaid with ball 12, by the design of ball 12, plays the lubrication effect, avoids the friction of baffle column 3 end and baffle groove 11 surface and produces the hindrance and abrasion, and the surface of screw rod 8 and second end block 6 is commonly connected with web 14, the section of web 14 is triangular structure, by the design of web 14, the connecting place of screw rod 8 and second end block 6 is reinforced to prevent cracking, the number of web 14 is four, and four webs 14 are about the center axis of screw rod 8 circular array, the longitudinal section of screw cylinder 10 is circular structure, and the outer wall of one end of screw cylinder 10 is sleeved with rubber sleeve 9, by the design of rubber sleeve 9, increases the friction coefficient of one end of screw cylinder 10, makes hand more easily to screw cylinder 10 rotation.

[0022] In the embodiment, preferably, the surfaces of the first end block 1 and the second end block 6 are fixed with sponge pads 2. The sponge pads 2 have soft characteristics, making the contact between the end blocks and the legs soft, avoiding discomfort. The cross section of the sponge pads 2 is square structure.

[0023] The utility model discloses a working principle and use flow: the first end block 1, second end block 6, adjusting assembly 4 of the utility model all adopt plastic products, when the knee joint magnetic resonance imaging of the examinee, the screw cylinder 10 of adjusting assembly 4 is rotated, and the screw thread screwing of screw cylinder 10 and screw rod 8 adjusts the interval between the first end block 1 and second end block 6, makes it be in the two sides of knee and away from a certain distance, again, the first end block 1 and second end block 6 lean against the side portion of knee joint, and one of prickle face magic tape 5 and wool face magic tape 7 passes through the bottom end of leg portion, and prickle face magic tape 5 and wool face magic tape 7 are adhered and fixed on the leg, and the knee joint of patient is straightened and fixed, avoids the knee joint in the examination process and does not value or suddenly changes the bending state and influences nuclear magnetic imaging, improves the examination accuracy.

[0024] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A knee fixation device for knee joint magnetic resonance imaging, characterized in that: Includes a first end block (1), the end face of the first end block (1) is provided with an assembly groove (13), the assembly groove (13) is provided with an adjustment component (4), one end of the adjustment component (4) is connected to a second end block (6), and the surfaces of the second end block (6) and the first end block (1) are respectively equipped with hook and loop fasteners (5) and loop fasteners (7).

2. The knee fixation device for knee joint magnetic resonance imaging according to claim 1, characterized in that: The adjustment assembly (4) consists of a screw barrel (10), a screw rod (8), and a stop post (3). The screw barrel (10) is located inside the assembly groove (13). The screw barrel (10) and the screw rod (8) are connected by threads. One end of the screw rod (8) is fixed to the surface of the second end block (6). The side wall of the screw barrel (10) is provided with a stop groove (11) with a circular cross-section. A stop post (3) is provided on the inner side of the stop groove (11). The stop post (3) is fixed on the assembly barrel.

3. The knee fixation device for knee joint magnetic resonance imaging according to claim 2, characterized in that: The end face of the stop post (3) is provided with a ball groove, and a ball (12) is embedded in the ball groove.

4. A knee fixation device for knee joint magnetic resonance imaging according to claim 2, characterized in that: The surfaces of the screw (8) and the second end block (6) are connected together by a stiffening plate (14), the cross-section of which is a triangular structure.

5. A knee fixation device for knee joint magnetic resonance imaging according to claim 4, characterized in that: The number of stiffeners (14) is four, and the four stiffeners (14) are arranged in a circular array about the central axis of the screw (8).

6. A knee fixation device for knee joint magnetic resonance imaging according to claim 2, characterized in that: The longitudinal section of the screw barrel (10) is circular, and a rubber sleeve (9) is fitted onto the outer wall of one end of the screw barrel (10).

7. A knee fixation device for knee joint magnetic resonance imaging according to claim 1, characterized in that: Both the first end block (1) and the second end block (6) have a sponge pad (2) fixed on their surfaces, and the cross-section of the sponge pad (2) is a square structure.

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