CN210903537U - Upper limb traction device - Google Patents

Abstract

The utility model belongs to the technical field of medical instrument, specifically be an upper limbs draw gear, including first mounting panel and second mounting panel, all be equipped with the mounting hole on first mounting panel and the second mounting panel, one side of keeping away from the second mounting panel on the first mounting panel is equipped with two support guide arms that the symmetry set up, two the one end of supporting the guide arm is extended and is run through first mounting panel and fixed baffle that is provided with, and two other end fixing that support the guide arm are provided with main fixed plate, be equipped with two first springs, two between main fixed plate and the first mounting panel first spring overlaps respectively and establishes in the outside that two support the guide arm, one side that main fixed plate is close to first mounting panel has the haulage rope through limit structure fixed mounting. The utility model discloses stable in structure, easy operation, design scientific and reasonable, production cycle is short, and the cost of manufacture is low, is convenient for adjust the tractive position, can last stably take hold between the fingers patient's arm, guarantees that the operation process goes on in order, satisfies clinical work needs.

Description

Upper limb traction device

Technical Field

The utility model relates to the technical field of medical equipment tools, especially, relate to an upper limbs draw gear.

Background

Traction or braking of the upper limbs of a human body is often required in medical clinical work, and comprises traction in wrist arthroscopy, traction in shoulder arthroscopy, temporary braking of the upper limbs of special patients and the like. The shoulder joint mainly comprises a glenoid of a scapula and a humeral head; the shoulder pelvis is a socket of a human shoulder joint, the humerus head is wrapped in the shoulder pelvis, the socket of the shoulder pelvis can be shallow, in order to stabilize the shoulder joint, a circle of cartilage deepening the shoulder pelvis is arranged at the shoulder pelvis, and the circle of cartilage is called a glenoid lip; the wide range of motion of the shoulder joint, similar to the action of playing baseball, high-speed hockey, exercising double-arm flat dumbbell, etc., can cause the tension of the shoulder to tear the labrum off the scapular injury through the tendons or ligaments, which most often occurs in front of the joint.

The most common method for treating such injuries in the market is to sew the torn glenoid labrum on the glenoid again under an arthroscope, and when the operation is performed, the arm needs to be pulled, so that the humeral head is displaced, and the interference to the operation when the glenoid labrum is sutured is reduced.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The need for wrist distraction in medical clinics will increase, with a consequent increase in demand. However, the existing traction devices are few, the structural design is complex, the use is inconvenient, the cost is high, and the traction devices are too rigid, so that the compression injury to soft tissues is easily caused during the use; some simply adopt a cloth belt, and the cloth belt is too soft, so that the blood circulation of the far end of the limb can be influenced during traction; these traction devices are prone to complications and present certain difficulties in carrying out the relevant clinical work. The utility model aims at solving the problems in the prior art and providing an upper limb traction device.

2. Technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an upper limb traction device comprises a first mounting plate and a second mounting plate, wherein mounting holes are formed in the first mounting plate and the second mounting plate, two symmetrical supporting guide rods are arranged on one side, far away from the second mounting plate, of the first mounting plate, one ends of the two supporting guide rods extend to penetrate through the first mounting plate and are fixedly provided with a baffle, a main fixing plate is fixedly arranged at the other ends of the two supporting guide rods, two first springs are arranged between the main fixing plate and the first mounting plate and are sleeved outside the two supporting guide rods respectively, a traction rope is fixedly arranged on one side, close to the first mounting plate, of the main fixing plate through a limiting structure, a traction structure is fixedly arranged on one side, close to the first mounting plate, of the second mounting plate, one end, far away from the main fixing plate, of the traction rope penetrates through the first mounting plate and is arranged on the traction structure through, the improved sliding guide sleeve structure is characterized in that an auxiliary fixing plate is mounted on the main fixing plate through a connecting structure, two guide sleeves are symmetrically arranged on the auxiliary fixing plate, a slider is connected to the inside of each guide sleeve in a sliding mode, a sliding rod is fixedly connected to the slider, a second spring is fixedly connected between the inner side wall of the slider and the inner side wall of each guide sleeve, the second spring sleeves are arranged on the outer sides of the sliding rods, one end, far away from the slider, of each sliding rod extends to the outer side of each guide sleeve and is provided with an external thread, two clamping pieces are arranged between the end, far away from the guide sleeves, of the sliding rod, one ends of the clamping pieces are hinged together, the other ends of the clamping pieces are fixedly connected through magic.

Preferably, limit structure encloses the fender including fixed, fixed enclose keep off fixed mounting on main fixed plate, and fixed enclose to be equipped with the roof on keeping off, the haulage rope runs through the roof and extends to fixed inside and the fixedly connected with limiting plate that encloses the fender.

Preferably, the traction structure comprises a wheel carrier which is fixedly installed on the second installation plate, the interior of the wheel carrier is rotatably connected with a reel through a bearing, and the upper end of the bearing extends to the upper part of the wheel carrier and is fixedly connected with a hand wheel.

Preferably, the fixed handle that is provided with on the hand wheel, the inside sliding connection of handle has the spacer pin, be equipped with a plurality of pinhole that is the annular distribution on the wheel carrier, the lower extreme of spacer pin runs through the hand wheel and extends to in the pinhole, and the outside fixed cover of spacer pin is equipped with the plectane, the plectane be located the handle inside and the handle in the top between fixed be provided with the third spring, the third spring housing is established in the outside of spacer pin, the upper end of spacer pin extends to the outside and the fixedly connected with pull ring of handle.

Preferably, the connection structure includes a connection rod, both ends of the connection rod extend to both sides of the main fixing plate and the auxiliary fixing plate respectively and are provided with external threads, and both ends of the connection rod are sleeved with washers and nuts are sleeved with the threads.

Preferably, an annular groove is formed between the main fixing plate and the auxiliary fixing plate, and a plurality of steel balls are connected inside the annular groove in a sliding mode.

Preferably, the auxiliary fixing plate is fixedly provided with two symmetrical brackets, a supporting rod is fixedly connected between the two brackets, the supporting rod is rotatably sleeved with a handle, the handle is provided with an anti-skidding structure, and the anti-skidding structure is anti-skidding lines.

Preferably, the sliding rod is fixedly sleeved with a knob, and anti-skid particles are arranged on the outer side of the knob.

Preferably, a protection pad is fixedly mounted on the inner wall of the clamping piece, and the protection pad is made of sponge materials.

Preferably, a backing plate is fixedly arranged on one side, close to the baffle, of the first mounting plate, and the backing plate is made of rubber.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the utility model has the advantages of stable structure, simple operation, scientific and reasonable design, short production period, low manufacturing cost and convenient adjustment of the traction position;

(2) the utility model makes up the deficiency of the way of manually holding and drawing the arm of the patient through the upper limb traction device, and along with the development and popularization of arthroscopic surgery, does not need the doctor to assist in drawing the arm of the patient for a long time, can continuously and stably hold the arm of the patient, ensures the orderly operation process, and meets the clinical work requirement;

(3) the utility model discloses easy installation and dismantlement, it is scalable in order to reduce the volume, conveniently carry and store, first mounting panel and second mounting panel can be installed in suitable position as required, possess length and rotation regulation function, can conveniently accurately adjust and maintain affected limb abduction angle and anteflexion line, be favorable to obtaining good operation field of vision and make things convenient for the operation of performing the operation, the spacer pin can maintain effective invariable traction force on through the gyro wheel, affected limb does not need personnel's assistance on having been fixed in the upper limbs traction frame, disinfection drape operation treatment labour saving and time saving makes things convenient for medical personnel's operation, guarantee that treatment is worth popularizing and applying.

Drawings

Fig. 1 is a schematic structural view of an upper limb traction device provided by the present invention;

FIG. 2 is a schematic cross-sectional view of an upper limb traction device;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic view of the structure of the clamping member and the protection pad;

fig. 5 is a schematic view of the traction structure.

In the figure: 1-pad, 2-mount, 3-clamp, 4-knob, 5-guide, 6-auxiliary fixing plate, 7-guide, 8-top plate, 9-support guide, 10-first spring, 11-first mounting plate, 12-pad, 13-slide, 14-grip, 15-support, 16-bracket, 17-main fixing plate, 18-hauling rope, 19-baffle, 20-second mounting plate, 21-wheel carrier, 22-hand wheel, 23-second spring, 24-slider, 25-steel ball, 26-reel, 27-mounting hole, 28-nut, 29-limiting plate, 30-connecting rod, 31-washer, 32-bearing, 33-handle, 34-third spring, 35-limiting pin, 36-circular plate and 37-pull ring.

Detailed Description

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, an upper limb traction device comprises a first mounting plate 11 and a second mounting plate 20, wherein both the first mounting plate 11 and the second mounting plate 20 are provided with mounting holes 27 for mounting the upper limb traction device at a proper operation position for use by doctors and nurses, one side of the first mounting plate 11 away from the second mounting plate 20 is provided with two symmetrically arranged support guide rods 9, one ends of the two support guide rods 9 extend through the first mounting plate 11 and are fixedly provided with a baffle 19, the other ends of the two support guide rods 9 are fixedly provided with a main fixing plate 17 for forming a mounting structure of the main fixing plate 17, so that the main fixing plate 17 can move horizontally towards the first mounting plate 11 to pull and pull the arm of a patient, two first springs 10 are arranged between the main fixing plate 17 and the first mounting plate 11, the two first springs 10 are respectively sleeved on the outer sides of the two support guide rods 9, a traction rope 18 is fixedly arranged on one side, close to the first mounting plate 11, of the main fixing plate 17 through a limiting structure, a traction structure is fixedly arranged on one side, close to the first mounting plate 11, of the second mounting plate 20 and used for traction movement of the main fixing plate 17, one end, far away from the main fixing plate 17, of the traction rope 18 penetrates through the first mounting plate 11 and the baffle 19 and is mounted on the traction structure, an auxiliary fixing plate 6 is mounted on the main fixing plate 17 through a connecting structure, two guide sleeves 5 which are symmetrically arranged are fixedly mounted on the auxiliary fixing plate 6, a sliding block 24 is slidably connected inside each guide sleeve 5, a sliding rod 13 is fixedly connected on each sliding block 24, a second spring 23 is fixedly connected between each sliding block 24 and the inner side wall of each guide sleeve 5, the second spring 23 is sleeved on the outer side of each sliding rod 13, one end, far away from each sliding, and can adjust stable connection through second spring 23, be equipped with two holders 3 between the one end that guide pin bushing 5 was kept away from to two slide bars 13, the one end of two holders 3 articulates together, and the other end pastes fixed connection through the magic, all fixedly on two holders 3 be provided with mounting 2 and respectively the threaded sleeve establish the outside at two slide bars 13 for constitute the clamping structure of patient's arm, with the fixed centre gripping of draw gear on patient's arm.

In the utility model, the limiting structure comprises a fixed baffle 7, the fixed baffle 7 is fixedly arranged on a main fixing plate 17, a top plate 8 is arranged on the fixed baffle 7, a traction rope 18 passes through the top plate 8 and extends to the inside of the fixed baffle 7 and is fixedly connected with a limiting plate 29, one end of the traction rope 18 is fixedly arranged on the main fixing plate 17, a doctor uses a traction device to pull, the traction structure comprises a wheel carrier 21, the wheel carrier 21 is fixedly arranged on a second mounting plate 20, the inside of the wheel carrier 21 is rotationally connected with a reel 26 through a bearing 32, the upper end of the bearing 32 extends to the upper part of the wheel carrier 21 and is fixedly connected with a hand wheel 22, a handle 33 is fixedly arranged on the hand wheel 22, a limiting pin 35 is slidably connected inside the handle 33, a plurality of pin holes distributed in an annular shape are arranged on the wheel carrier 21, the lower end of the limiting pin 35 passes through the hand wheel 22 and, the circular plate 36 is positioned inside the handle 33 and is fixedly provided with a third spring 34 between the inner top of the handle 33 and the inner side of the handle 33, the third spring 34 is sleeved outside the limit pin 35, the upper end of the limit pin 35 extends to the outer side of the handle 33 and is fixedly connected with a pull ring 37 for pulling and pulling the main fixing plate 17 through the traction rope 18, a doctor pulls the pull ring 37 to draw the limit pin 35 out of the pin hole of the wheel frame 21 and holds the handle 33 to rotate the hand wheel 22, so as to drive the reel 26 to disturb the traction rope 18 and pull the rope 14 to move, further drive the main fixing plate 17 to move through the limit plate 29 to pull the arm of the patient, after pulling to a proper position, the hand wheel 22 stops rotating and releases the pull ring 37 to screw, the limit pin 35 is inserted into the pin hole of the wheel frame 21 under the action of pushing the circular plate 36 of the third spring 34, the connecting structure comprises a connecting rod 30, and two ends of, and both ends of the connecting rod 30 are sleeved with washers 31 and are in threaded sleeve connection with nuts 28, an annular groove is arranged between the main fixing plate 17 and the auxiliary fixing plate 6, a plurality of steel balls 25 are connected in the annular groove in a sliding manner and used for limiting connection between the main fixing plate 17 and the auxiliary fixing plate 6, the main fixing plate 17 can move along with the auxiliary fixing plate 6 during traction, the friction force between the main fixing plate 17 and the auxiliary fixing plate 6 is reduced through the steel balls 25, the sliding friction is converted into rolling friction of the steel balls 25, the angle adjustment of the arm of a patient is convenient, the comfort level is improved, two brackets 16 which are symmetrically arranged are fixedly arranged on the auxiliary fixing plate 6, a support rod 15 is fixedly connected between the two brackets 16, a handle 14 is rotatably sleeved on the support rod 15, an anti-skid structure is arranged on the handle 14, the anti-skid texture is used for the patient to hold, the outside of knob 4 is equipped with anti-skidding granule for conveniently rotating slide bar 13, make the external screw thread on the slide bar 13 be convenient for with holder 3 go up 2 threaded connection of mounting, fixed mounting has protection pad 1 on the inner wall of holder 3, protection pad 1 adopts the sponge material, is used for protecting patient's arm, avoids holder 3 to cause wearing and tearing to patient's arm, and one side that first mounting panel 11 is close to baffle 19 is fixed to be provided with backing plate 12, and backing plate 12 adopts the rubber material.

The utility model discloses the following operation of theory of operation accessible specifically realizes:

in the utility model, when the user uses the upper limb traction device, the first mounting plate 11 is installed at the operation adapting position, the second mounting plate 20 is installed at the position where the doctor can conveniently operate, firstly, the clamping piece 3 is sleeved on the arm of the patient, then the fixing piece 2 on the clamping piece 3 is sleeved on the front end of the sliding rod 13, the sliding rod 13 is completely screwed into the fixing piece 2 by the rotating knob 4, then the holding piece 4 is placed at the palm of the patient, the finger of the patient holds the handle 4 tightly, the arm of the patient can naturally rotate to drive the auxiliary fixing plate 6 to rotate inside the main fixing plate 17, the arm is kept properly relaxed and comfortable, then the doctor pulls the pull ring 37 to draw the limit pin 35 out from the pin hole of the wheel frame 21 and holds the handle 33 to rotate the hand wheel 22, thereby driving the reel 26 to disturb the traction rope 18 and the traction rope 14 to move, and further driving the, the arm of the patient is pulled, after the arm is pulled to a proper position, the hand wheel 22 stops rotating, the pull ring 37 is loosened, and the patient is screwed, the limiting pin 35 is inserted into the pin hole of the wheel frame 21 under the action of the pushing circular plate 36 of the third spring 34, so that the arm of the patient can be conveniently treated by the operation, if the arm of the patient needs to be pulled after the operation is finished, the pull ring 37 only needs to be pulled to reversely rotate the hand wheel 22, the operation is simple, the efficiency is high, the medical staff can feel relaxed, and the arm pulling device is worthy of popularization and application.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. An upper limb traction device comprises a first mounting plate (11) and a second mounting plate (20), wherein mounting holes (27) are formed in the first mounting plate (11) and the second mounting plate (20), the upper limb traction device is characterized in that two symmetrical support guide rods (9) are arranged on one side, away from the second mounting plate (20), of the first mounting plate (11), one ends of the support guide rods (9) extend through the first mounting plate (11) and are fixedly provided with baffle plates (19), the other ends of the two support guide rods (9) are fixedly provided with a main fixing plate (17), two first springs (10) are arranged between the main fixing plate (17) and the first mounting plate (11), the first springs (10) are respectively sleeved outside the two support guide rods (9), one side, close to the first mounting plate (11), of the main fixing plate (17) is fixedly provided with a traction rope (18) through a limiting structure, one side fixed mounting that second mounting panel (20) is close to first mounting panel (11) has the structure of pulling, the one end that main fixed plate (17) were kept away from in haulage rope (18) runs through first mounting panel (11) and baffle (19) and installs and pull structurally, install vice fixed plate (6) through connection structure on main fixed plate (17), fixed mounting has two guide pin bushings (5) that the symmetry set up on vice fixed plate (6), every equal sliding connection in inside of guide pin bushing (5) has slider (24), fixedly connected with slide bar (13) on slider (24), and fixedly connected with second spring (23) between the inside wall of slider (24) and guide pin bushing (5), second spring (23) cover is established in the outside of slide bar (13), the one end that slider (24) were kept away from in slide bar (13) extends to the outside of guide pin bushing (5) and is equipped with the external screw thread, two clamping pieces (3) are arranged between one ends, away from the guide sleeve (5), of the two sliding rods (13), one ends of the clamping pieces (3) are hinged together, the other ends of the clamping pieces are fixedly connected through magic tapes, and the clamping pieces (3) are fixedly provided with fixing pieces (2) and are respectively sleeved on the outer sides of the two sliding rods (13) in a threaded manner.

2. The upper limb traction device according to claim 1, wherein the limiting structure comprises a fixed enclosure (7), the fixed enclosure (7) is fixedly mounted on a main fixing plate (17), a top plate (8) is arranged on the fixed enclosure (7), and the traction rope (18) penetrates through the top plate (8) to extend into the fixed enclosure (7) and is fixedly connected with a limiting plate (29).

3. The upper limb traction device according to claim 1, wherein the traction structure comprises a wheel frame (21), the wheel frame (21) is fixedly installed on the second installation plate (20), a reel (26) is rotatably connected to the interior of the wheel frame (21) through a bearing (32), and the upper end of the bearing (32) extends to the upper part of the wheel frame (21) and is fixedly connected with a hand wheel (22).

4. The upper limb traction device as claimed in claim 3, wherein a handle (33) is fixedly arranged on the hand wheel (22), a limit pin (35) is slidably connected to the inside of the handle (33), a plurality of pin holes are annularly distributed on the wheel carrier (21), the lower end of the limit pin (35) penetrates through the hand wheel (22) and extends into the pin holes, a circular plate (36) is fixedly sleeved on the outer side of the limit pin (35), the circular plate (36) is positioned inside the handle (33) and fixedly arranged between the top of the handle (33), a third spring (34) is fixedly arranged on the outer side of the limit pin (35), and the upper end of the limit pin (35) extends to the outer side of the handle (33) and is fixedly connected with a pull ring (37).

5. The upper limb traction device according to claim 1, wherein the connecting structure comprises a connecting rod (30), two ends of the connecting rod (30) respectively extend to two sides of the main fixing plate (17) and the auxiliary fixing plate (6) and are provided with external threads, and two ends of the connecting rod (30) are respectively sleeved with a gasket (31) and are in threaded sleeve connection with a nut (28).

6. The upper limb traction device according to claim 1 or 5, wherein an annular groove is arranged between the main fixing plate (17) and the auxiliary fixing plate (6), and a plurality of steel balls (25) are connected inside the annular groove in a sliding manner.

7. The upper limb traction device according to claim 1, wherein two symmetrically arranged brackets (16) are fixedly arranged on the auxiliary fixing plate (6), a supporting rod (15) is fixedly connected between the two brackets (16), a handle (14) is rotatably sleeved on the supporting rod (15), and an anti-skid structure is arranged on the handle (14) and is an anti-skid pattern.

8. The upper limb traction device according to claim 1, wherein the sliding rod (13) is fixedly sleeved with a knob (4), and the outer side of the knob (4) is provided with anti-skid particles.

9. The upper limb traction device according to claim 1, wherein a protection pad (1) is fixedly arranged on the inner wall of the clamping piece (3), and the protection pad (1) is made of sponge.

10. The upper limb traction device according to claim 1, wherein a backing plate (12) is fixedly arranged on one side of the first mounting plate (11) close to the baffle plate (19), and the backing plate (12) is made of rubber.

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