CN114343947A

CN114343947A - Cervical vertebra traction bed for medical orthopedic patient

Info

Publication number: CN114343947A
Application number: CN202210158522.9A
Authority: CN
Inventors: 张斌; 秦永; 冯冬前; 余加生
Original assignee: Shuyang Hospital Of Traditional Chinese Medicine
Current assignee: Shuyang Hospital Of Traditional Chinese Medicine
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-04-15

Abstract

The invention discloses a cervical traction bed for a medical orthopedic patient, which comprises a bed body, a door-shaped frame, a locking mechanism, a sliding plate and two rotating shafts, wherein the bed body is provided with a bed frame; the door-shaped frame is characterized in that two opposite side walls of the door-shaped frame are provided with sliding grooves, the two sliding grooves are connected with an installation box in a sliding manner, the installation box is connected with the door-shaped frame through a telescopic rod, the bottom of the installation box is fixedly provided with a connecting rod, a first rack is fixedly arranged on the connecting rod, and the bottom of the installation box is provided with a U-shaped holding rod; the locking mechanism is arranged on the installation box and used for locking the moving height of the installation box; the sliding plate is slidably clamped in a slot opening horizontally formed in the bed body, a second rack is fixed at the top of the sliding plate, a mounting groove is formed in the top of the bed body, a supporting plate fixed with the sliding plate is arranged in the mounting groove, and a neck fixing mechanism is arranged on the supporting plate; the two rotating shafts are respectively connected with the side wall of the bed head in a rotating way, and the rotating shafts are fixedly sleeved with the gears meshed with the first rack and the second rack.

Description

Cervical vertebra traction bed for medical orthopedic patient

Technical Field

The invention relates to the technical field of medical instruments, in particular to a cervical vertebra traction bed for medical orthopedic patients.

Background

Orthopedics is one of the most common departments in all hospitals, and mainly studies the anatomy, physiology and pathology of the skeletal muscle system, and maintains and develops the normal form and function of the system by using medicines, operations and physical methods.

The cervical vertebra traction bed is used as an auxiliary medical device for treating the cervical vertebra of a patient, utilizes the principle of acting force and reacting force to pull the mandible of the patient by adopting a traction mechanism, so that tissues at the cervical vertebra of the patient are separated to a certain degree, and soft tissues around joints are properly stretched, thereby achieving the purpose of treatment.

Traction mechanism among current cervical vertebra traction bed adopts electrical drive device to realize pulling the physiotherapy to patient's cervical vertebra usually, consequently generally needs medical personnel to pull the operation, patient then can't realize pulling through the regulation of self, and different patients sick degree differs, required traction force degree is different, nevertheless medical personnel can't in time adjust according to patient's required condition and pull the dynamics at the traction in-process, arouse patient's discomfort easily, be unfavorable for patient's recovery.

Disclosure of Invention

The invention aims to provide a cervical traction bed for a medical orthopedic patient, which solves the problems of the background technology.

The technical scheme of the invention is as follows: a cervical traction bed for medical orthopedic patients comprises a bed body, a door-shaped frame, a locking mechanism, a sliding plate and two rotating shafts; waist bridles are arranged on the bed body; the bed comprises a bed body, a door-shaped frame, a mounting box, telescopic rods, connecting rods, a first rack and a U-shaped holding rod, wherein the door-shaped frame is arranged above the bed body, two opposite side walls of the door-shaped frame are provided with vertically arranged sliding grooves, the mounting box is connected between the two sliding grooves in a sliding manner, the top of the mounting box is connected with the inner top surface of the door-shaped frame through the telescopic rods, the two sides of the bottom of the mounting box are vertically fixed with the connecting rods, the side wall of each connecting rod, which is opposite to a bed head, is fixed with the first rack, and the middle of the bottom of the mounting box is provided with the U-shaped holding rod; the locking mechanism is arranged on the installation box and used for locking the moving height of the installation box; the sliding plate is slidably clamped in the slot opening, the slot opening is horizontally formed in one side, close to the bed head, of the bed body, two sides of the sliding plate extend to the outer side of the bed body, a second rack is fixed to the top of the sliding plate, a mounting groove communicated with the slot opening is formed in the top of the bed body, a supporting plate is arranged in the mounting groove, the bottom of the supporting plate is fixed to the sliding plate, and a neck fixing mechanism is arranged at the top of the supporting plate; two pivots are connected with the both sides lateral wall of head of a bed rotation respectively, all the suit is fixed with the gear in every pivot, the gear respectively with first rack and second rack meshing.

Preferably, the locking mechanism comprises a plurality of pairs of jacks and a bidirectional synchronous telescopic mechanism; a plurality of pairs of jacks are respectively and correspondingly arranged on the opposite groove walls of the two sliding grooves, and each pair of jacks are uniformly distributed along the longitudinal direction of the sliding grooves; the two-way synchronous telescopic mechanism is arranged at the center of the installation box, the side walls of the two sides of the installation box are communicated with cylindrical grooves, each cylindrical groove is internally provided with an inserted rod matched with the jack, and the output end of the two-way synchronous telescopic mechanism is connected with the two inserted rods respectively and used for driving the two inserted rods to realize synchronous horizontal telescopic motion.

Preferably, the bidirectional synchronous telescopic mechanism comprises a double-shaft motor, two screw rods, two cylindrical cylinder bodies, two first springs and a control switch; the double-shaft motor is arranged at the center of the installation box and is connected with the power supply module; the threads of the two screw rods are opposite and are respectively arranged in the two cylindrical grooves, one ends of the two screw rods are respectively connected with output shafts on two sides of the double-shaft motor, threaded sleeves are connected with the outer threads of the other ends of the two screw rods, a limiting block is fixed at the bottom of each threaded sleeve, each limiting block is slidably clamped in the limiting groove, and the limiting groove is formed in the bottom of the cylindrical groove; the two cylindrical cylinders are respectively and correspondingly clamped in the two cylindrical grooves in a sliding manner and are respectively arranged on one sides of the two screw rods, which are far away from the double-shaft motor, a piston is clamped in each cylindrical cylinder in a sliding manner, one end, which is far away from the screw rod, of each threaded sleeve correspondingly extends into each cylindrical cylinder and is fixed with the piston, and one ends, which are far away from the double-shaft motor, of the two cylindrical cylinders are respectively and correspondingly fixed with the two insert rods; the two first springs are respectively and horizontally arranged in the two cylindrical cylinders in a corresponding mode, and two ends of each first spring are respectively connected with the piston and the inner wall of the cylindrical cylinder; the control switch is arranged on the U-shaped holding rod and electrically connected with the double-shaft motor and used for controlling the output shaft of the double-shaft motor to realize forward and reverse rotation.

Preferably, the telescopic rod comprises a sleeve, a connecting rod and a second spring; the sleeve is vertically arranged, and one end of the sleeve is fixed with the inner top surface of the door-shaped frame; one end of the connecting rod extends into the sleeve and is in sliding connection with the sleeve, and the other end of the connecting rod is fixed with the top of the mounting box; the second spring is vertically arranged in the sleeve, one end of the second spring is fixed with one end, far away from the installation box, of the connecting rod, and the other end of the second spring is fixed with the inner top surface of the door-shaped frame.

Preferably, the neck fixing mechanism comprises a first fixing block, a screw rod, a guide post and a second fixing block; the first fixing block is fixed at the top of the supporting plate, and a first arc-shaped groove with an upward opening is formed in the top of the first fixing block; the screw rod is vertically arranged on one side of the first arc-shaped groove, one end of the screw rod is rotatably connected with the top of the first fixed block, and the other end of the screw rod is fixedly sleeved with a self-locking hand wheel; the guide post is vertically fixed at the top of the support plate and is positioned on the other side of the first arc-shaped groove; the second fixed block is horizontally sleeved on the lead screw and the guide post, one side of the second fixed block is in threaded connection with the lead screw, the other side of the second fixed block is in sliding connection with the guide post, and a second arc-shaped groove which is opposite to the first arc-shaped groove is formed in the bottom of the second fixed block.

Preferably, protective pads are arranged in the groove walls of the first arc-shaped groove and the second arc-shaped groove.

Preferably, the top height of the support plate is flush with the top height of the bed body.

Compared with the prior art, the invention has the beneficial effects that:

1. the traction of the cervical vertebra does not need to be driven by an electromechanical device, and a patient can pull the U-shaped holding rod downwards and realize self-traction through a series of transmission assemblies, so that the required traction force can be automatically and correspondingly adjusted, the treatment conditions of different patients can be met, and the rehabilitation of the patient is facilitated.

2. The neck of the patient can be fixed by matching the first fixing block with the second fixing block, and when the neck tractor is used for traction, the lower jaw of the patient is propped against the side wall of the second fixing block by utilizing the side wall of the sliding plate and the supporting plate so as to drive the head of the patient to move, so that the neck tractor is very convenient and fast.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of a portion of the structure shown at B in FIG. 2 according to the present invention.

Detailed Description

The following describes in detail an embodiment of the present invention with reference to fig. 1 to 4. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Examples

As shown in fig. 1 to 4, a cervical traction bed for medical orthopedic patients comprises a bed body 1, a portal frame 2, a locking mechanism, a sliding plate 4 and two rotating shafts 61; a waist belt 8 is arranged on the bed body 1; the gantry frame 2 is arranged above the bed body 1, two opposite side walls of the gantry frame 2 are provided with vertically-arranged sliding grooves 21, an installation box 3 is connected between the two sliding grooves 21 in a sliding mode, the top of the installation box 3 is connected with the inner top surface of the gantry frame 2 through a telescopic rod, two sides of the bottom of the installation box 3 are vertically fixed with connecting rods 31, a first rack 32 is fixed on each side wall of each connecting rod 31, which is opposite to the bed head, and the middle of the bottom of the installation box 3 is fixed with a U-shaped holding rod 33; the locking mechanism is arranged on the installation box 3 and used for locking the moving height of the installation box 3; the sliding plate 4 is slidably clamped in the slot 101, the slot 101 is horizontally arranged on one side, close to the bed head, of the bed body 1, two sides of the sliding plate 4 extend to the outer side of the bed body 1, the top of the sliding plate 4 is fixedly provided with the second rack 41, the top of the bed body 1 is provided with a mounting groove 102 communicated with the slot 101, a supporting plate 5 is arranged in the mounting groove 102, the bottom of the supporting plate 5 is fixed with the sliding plate 4, and the top of the supporting plate 5 is provided with a neck fixing mechanism; the two rotating shafts 61 are respectively connected with the side walls of the two sides of the bed head 1 in a rotating manner, a gear 62 is fixedly sleeved on each rotating shaft 61, and the gear 62 is respectively meshed with the first rack 32 and the second rack 41.

When traction treatment is carried out, a patient lies on the bed body 1, the waist of the patient is fixed through the waist belt 8, then the neck of the patient is fixed through the neck fixing mechanism, then the patient can grasp the U-shaped holding rod 33 through two hands, when traction force is adjusted, the mounting box 3 is driven to synchronously move by downwards moving the U-shaped holding rod 33, when the mounting box 3 moves downwards, the connecting rod 31 drives the first rack 32 to synchronously move downwards, because the gear 62 is respectively meshed with the first rack 32 and the second rack 41, the gear 62 is driven to rotate when the first rack 32 moves downwards, the gear 62 rotates to drive the second rack 41 to move rightwards, when the second rack 41 moves rightwards, the sliding plate 4 drives the support plate 5 to synchronously move in the mounting groove 102, when the support plate 5 moves rightwards, the lower jaw of the patient is pulled through the neck fixing mechanism, thereby realize driving patient's head and remove right to the realization is to the traction of patient's cervical vertebra, because the process of pulling just can realize alone by patient, therefore patient can carry out the automatic control to the dynamics of pulling, when reacing suitable dynamics of pulling, locks the removal height of install bin 3 through locking mechanical system, thereby keeps current dynamics of pulling, and the whole process of pulling is very convenient, is favorable to patient's treatment.

Further, the locking mechanism comprises a plurality of pairs of jacks 22 and a bidirectional synchronous telescopic mechanism; a plurality of pairs of insertion holes 22 are respectively and correspondingly arranged on the opposite groove walls of the two sliding grooves 21, and each pair of insertion holes 22 are uniformly distributed along the longitudinal direction of the sliding grooves 21; the bidirectional synchronous telescopic mechanism is arranged at the center of the installation box 3, the side walls of the two sides of the installation box 3 are communicated with cylindrical grooves 34, each cylindrical groove 34 is internally provided with an inserted rod 7 matched with the jack 22, and the output end of the bidirectional synchronous telescopic mechanism is respectively connected with the two inserted rods 7 and used for driving the two inserted rods 7 to realize synchronous horizontal telescopic motion.

When a patient drives the installation box 3 to move downwards through the U-shaped holding rod 33 to adjust the traction force, as a plurality of pairs of insertion holes 22 are formed in the groove walls opposite to the two sliding grooves 21, the installation box 3 can pass through the plurality of pairs of insertion holes 22 when sliding downwards in the sliding grooves 21, when the height of the installation box 3 needs to be kept unchanged when the traction force is adjusted, the two insertion rods 7 are driven to extend out of the cylindrical grooves 34 and be inserted into the insertion holes 22 at the corresponding heights through the bidirectional synchronous telescopic mechanism, so that the height of the installation box 3 is locked, after the traction is carried out for a certain time, the two insertion rods 7 are driven to withdraw from the insertion holes 22 through the bidirectional synchronous telescopic mechanism, the locking of the installation box 3 is released, the installation box 3 moves upwards, and the traction can be released.

Furthermore, in order to facilitate the patient to control the bidirectional synchronous telescoping mechanism to drive the two inserted rods 7 to synchronously telescope, the bidirectional synchronous telescoping mechanism comprises a double-shaft motor 71, two screw rods 72, two cylindrical cylinder bodies 75, two first springs 77 and a control switch 78; the double-shaft motor 71 is arranged at the center of the installation box 3, and the double-shaft motor 71 is connected with the power supply module; the threads of the two screw rods 72 are opposite and are respectively arranged in the two cylindrical grooves 34, one ends of the two screw rods 72 are respectively connected with output shafts at two sides of the double-shaft motor 71, the outer threads of the other ends of the two screw rods 72 are connected with threaded sleeves 73, a limiting block 74 is fixed at the bottom of each threaded sleeve 73, each limiting block 74 is slidably clamped in the limiting groove, and the limiting groove is formed in the bottom of the cylindrical groove 34; the two cylindrical cylinder bodies 75 are respectively and correspondingly clamped in the two cylindrical grooves 34 in a sliding manner and are respectively arranged on one sides of the two screw rods 72 far away from the double-shaft motor 71, a piston 76 is respectively and slidingly clamped in each cylindrical cylinder body 75, one end of each threaded sleeve 73 far away from the screw rod 72 correspondingly extends into each cylindrical cylinder body 75 and is fixed with the piston 76, and one ends of the two cylindrical cylinder bodies 75 far away from the double-shaft motor 71 are respectively and correspondingly fixed with the two inserted rods 7; the two first springs 77 are respectively and horizontally arranged in the two cylindrical cylinders 75 correspondingly, and two ends of each first spring 77 are respectively connected with the piston 76 and the inner wall of the cylindrical cylinder 75; the control switch 78 is arranged on the U-shaped holding rod 33, and the control switch 78 is electrically connected with the double-shaft motor 71 and used for controlling the output shaft of the double-shaft motor 71 to realize positive and negative rotation.

When the moving height of the installation box needs to be locked, the control switch 78 is pressed down, so that the output shaft of the double-shaft motor 71 rotates forwards and drives the two screw rods 72 to rotate synchronously, each screw rod 72 rotates through the matching of the limit block 74 and the limit groove, so that the threaded sleeve 73 is driven to move horizontally in the direction away from the double-shaft motor 71, when the threaded sleeve 73 moves, the piston 76 can extrude the first spring 77 and drive the cylindrical cylinder 75 and the inserted rod 7 to move towards the outer side of the cylindrical groove 34, due to the existence of the first spring 77, the inserted rod 7 does not immediately move outwards synchronously along with the threaded sleeve 73, but has a certain delay, so when the inserted rod 7 is not aligned with the inserted hole 22, the end sliding groove 21 of the inserted rod 7 can move downwards through the buffering of the first spring 77, when the inserted rod is aligned with the inserted hole 22, the elastic acting force provided by the first spring 77 can be immediately inserted into the inserted hole 22 for locking, therefore, the problem that the inserting rod 7 can not be inserted into the inserting hole 22 to realize the locking function when the inserting rod does not have the quasi inserting hole 22 can be avoided;

when the locking of the moving height of the installation box needs to be released, the output shaft of the double-shaft motor 71 is reversely rotated through the control button, the transmission process is opposite to the above, the threaded sleeve 73 horizontally moves towards the direction close to the double-shaft motor 71, and the cylindrical cylinder 75 and the inserted rod 7 are pulled through the piston 76, so that the inserted rod 7 is withdrawn from the insertion hole 22.

Further, the telescopic rod comprises a sleeve 23, a connecting rod 24 and a second spring 25; the sleeve 23 is vertically arranged, and one end of the sleeve 23 is fixed with the inner top surface of the door-shaped frame 2; one end of the connecting rod 24 extends into the sleeve 23 and is in sliding connection with the sleeve 23, and the other end of the connecting rod 24 is fixed with the top of the installation box 3; the vertical setting of second spring 25 is in sleeve 23, and the one end that install bin 3 was kept away from with connecting rod 24 to the one end of second spring 25 is fixed, and the other end of second spring 25 is fixed with the interior top surface of door type frame 2, can carry out elastic fixation to connecting rod 24's top through second spring 25 to hang install bin 3 in the below of door type frame 2, the patient of being convenient for snatchs U type holding rod 33.

Specifically, the neck fixing mechanism comprises a first fixing block 51, a lead screw 53, a guide column 55 and a second fixing block 56; the first fixing block 51 is fixed on the top of the support plate 5, and a first arc-shaped groove 52 with an upward opening is formed in the top of the first fixing block 51; the screw 53 is vertically arranged on one side of the first arc-shaped groove 52, one end of the screw 53 is rotatably connected with the top of the first fixed block 51, and the other end of the screw 53 is fixedly sleeved with a self-locking hand wheel 54; the guide column 55 is vertically fixed on the top of the support plate 5 and is positioned at the other side of the first arc-shaped groove 52; the second fixed block 56 is horizontally sleeved on the screw 53 and the guide post 55, one side of the second fixed block 56 is in threaded connection with the screw 53, the other side of the second fixed block 56 is in sliding connection with the guide post 55, and a second arc-shaped groove 57 which is opposite to the first arc-shaped groove 52 is formed in the bottom of the second fixed block 56.

When the neck fixing mechanism is used for fixing the patient and driving the head of the patient to realize traction, the head of the patient passes through the first fixing block 51 and the second fixing block 56 and lies on the supporting plate 5, so that the back neck of the patient lies in the first arc-shaped groove 52, then the self-locking hand wheel 54 is rotated to drive the screw 53 to rotate, and the second fixing block 56 is driven to move downwards through the matching with the guide post 55, so that the second arc-shaped groove 57 is contacted with the neck of the patient, thereby fixing the neck of the patient, the sliding plate 4 drives the supporting plate 5 to move when in traction, the supporting plate 5 drives the first fixing block 51 and the second fixing block 56 to move synchronously when in movement, and the side wall of the second fixing block 56 is used for abutting against the lower jaw part of the patient so as to drive the head of the patient to move, as the waist of the patient is fixed on the bed body 1, the head of the patient can be driven to move towards the direction far away from the waist, thereby realizing the traction function.

Further, in order to avoid the injury to the patient caused by the neck of the patient being held by the clamp, protective pads are arranged on the walls of the first arc-shaped groove 52 and the second arc-shaped groove 57.

Further, in order to support the head of a patient, the top of the supporting plate 5 is flush with the top of the bed body 1, so that the patient can lie down more comfortably.

Although the preferred embodiments of the present invention have been disclosed, the embodiments of the present invention are not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. The utility model provides a cervical vertebra traction bed for medical treatment orthopedics patient, is including bed body (1) that is equipped with waist band (8), its characterized in that still includes:

the bed comprises a portal frame (2) arranged above a bed body (1), two opposite side walls of the portal frame (2) are provided with vertically arranged sliding grooves (21), an installation box (3) is connected between the two sliding grooves (21) in a sliding manner, the top of the installation box (3) is connected with the inner top surface of the portal frame (2) through a telescopic rod, connecting rods (31) are vertically fixed on two sides of the bottom of the installation box (3), a first rack (32) is fixed on each side wall of each connecting rod (31) opposite to a bed head, and a U-shaped holding rod (33) is arranged in the middle of the bottom of the installation box (3);

the locking mechanism is arranged on the installation box (3) and used for locking the moving height of the installation box (3);

the sliding plate (4) is slidably clamped in the slot opening (101), the slot opening (101) is horizontally arranged on one side, close to a bed head, of the bed body (1), two sides of the sliding plate (4) extend to the outer side of the bed body (1), a second rack (41) is fixed to the top of the sliding plate, a mounting groove (102) communicated with the slot opening (101) is formed in the top of the bed body (1), a supporting plate (5) is arranged in the mounting groove (102), the bottom of the supporting plate (5) is fixed to the sliding plate (4), and a neck fixing mechanism is arranged on the top of the supporting plate (5);

two pivot (61), respectively with the both sides lateral wall of head of a bed (1) rotate to be connected, all the suit is fixed with gear (62) on every pivot (61), gear (62) respectively with first rack (32) and second rack (41) meshing.

2. The cervical traction table for medical orthopaedic patients according to claim 1, wherein the locking mechanism comprises:

the pairs of insertion holes (22) are respectively and correspondingly arranged on the opposite groove walls of the two sliding grooves (21), and each pair of insertion holes (22) are uniformly distributed along the longitudinal direction of the sliding grooves (21);

two-way synchronous telescopic machanism sets up the center department of install bin (3), the both sides lateral wall intercommunication of install bin (3) has cylindrical groove (34), all be equipped with in every cylindrical groove (34) with jack (22) assorted inserted bar (7), two-way synchronous telescopic machanism's output is connected with two inserted bars (7) respectively for drive two inserted bars (7) and realize synchronous horizontal concertina movement.

3. The cervical traction table for medical orthopedic patients according to claim 2, characterized in that the bidirectional synchronous telescopic mechanism comprises:

the double-shaft motor (71) is arranged at the center of the installation box (3), and the double-shaft motor (71) is connected with the power supply module;

the screw threads of the two screw rods (72) are opposite and are respectively arranged in the two cylindrical grooves (34), one ends of the two screw rods (72) are respectively connected with output shafts on two sides of the double-shaft motor (71), the external threads of the other ends of the two screw rods (72) are connected with threaded sleeves (73), a limiting block (74) is fixed at the bottom of each threaded sleeve (73), each limiting block (74) is slidably clamped in the limiting groove, and the limiting groove is formed in the bottom of the cylindrical groove (34);

the two cylindrical cylinder bodies (75) are respectively and correspondingly clamped in the two cylindrical grooves (34) in a sliding mode and are respectively arranged on one sides, away from the double-shaft motor (71), of the two screw rods (72), a piston (76) is respectively and slidingly clamped in each cylindrical cylinder body (75), one end, away from the screw rods (72), of each threaded sleeve (73) correspondingly extends into each cylindrical cylinder body (75) and is fixed with the piston (76), and one ends, away from the double-shaft motor (71), of the two cylindrical cylinder bodies (75) are respectively and correspondingly fixed with the two inserted rods (7);

two first springs (77) which are respectively and horizontally arranged in the two cylindrical cylinder bodies (75) correspondingly, wherein two ends of each first spring (77) are respectively connected with the piston (76) and the inner wall of the cylindrical cylinder body (75);

and the control switch (78) is arranged on the U-shaped holding rod (33), and the control switch (78) is electrically connected with the double-shaft motor (71) and used for controlling the output shaft of the double-shaft motor (71) to realize positive and negative rotation.

4. The cervical traction bed for medical orthopedic patients according to claim 1, characterized in that the telescopic rod comprises:

the sleeve (23) is vertically arranged, and one end of the sleeve (23) is fixed with the inner top surface of the door-shaped frame (2);

one end of the connecting rod (24) extends into the sleeve (23) and is in sliding connection with the sleeve (23), and the other end of the connecting rod (24) is fixed with the top of the mounting box (3);

the second spring (25) is vertically arranged in the sleeve (23), one end of the second spring (25) is fixed with one end, far away from the installation box (3), of the connecting rod (24), and the other end of the second spring (25) is fixed with the inner top surface of the door type frame (2).

5. The cervical traction table for medical orthopaedic patients according to claim 1, wherein the neck fixing mechanism comprises:

the first fixing block (51) is fixed to the top of the supporting plate (5), and a first arc-shaped groove (52) with an upward opening is formed in the top of the first fixing block (51);

the lead screw (53) is vertically arranged on one side of the first arc-shaped groove (52), one end of the lead screw (53) is rotatably connected with the top of the first fixed block (51), and the other end of the lead screw (53) is fixedly sleeved with a self-locking hand wheel (54);

the guide post (55) is vertically fixed at the top of the support plate (5) and is positioned at the other side of the first arc-shaped groove (52);

the second fixing block (56) is horizontally sleeved on the lead screw (53) and the guide post (55), one side of the second fixing block (56) is in threaded connection with the lead screw (53), the other side of the second fixing block (56) is in sliding connection with the guide post (55), and the bottom of the second fixing block (56) is provided with a second arc-shaped groove (57) which is opposite to the first arc-shaped groove (52).

6. A cervical traction bed for medical orthopedics patients according to claim 5, characterized in that the wall of the first arc-shaped groove (52) and the wall of the second arc-shaped groove (57) are provided with protective pads.

7. A traction bed for the cervical vertebrae of medical orthopaedic patients according to claim 5, wherein the top height of the supporting plate (5) is flush with the top height of the bed body (1).