CN110192943A

CN110192943A - A kind of traction device for upper limb

Info

Publication number: CN110192943A
Application number: CN201910451309.5A
Authority: CN
Inventors: 邱峰
Original assignee: Huzhou Great Base Technology Co Ltd
Current assignee: Huzhou Great Base Technology Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2019-09-03

Abstract

The invention belongs to medical instrument technical field of tools, specially a kind of traction device for upper limb, including the first mounting plate and the second mounting plate, mounting hole is equipped on first mounting plate and the second mounting plate, two support guide rods that side on first mounting plate far from the second mounting plate is provided symmetrically, one end of two support guide rods extends through the first mounting plate and is fixedly installed baffle, and the other end of two support guide rods is fixedly installed main fixed plate, first spring there are two being set between the main fixed plate and the first mounting plate, two first springs are respectively sleeved at the outside of two support guide rods, the main fixed plate is fixedly installed with traction rope by position limiting structure close to the side of the first mounting plate.Structure of the invention is stablized, and easy to operate, design is scientific and reasonable, with short production cycle, low manufacture cost, convenient for adjusting drawing position, can continually and steadily be affectedly bashful patient's arm, guarantee that procedure orderly carries out, meet clinical position needs.

Description

A kind of traction device for upper limb

Technical field

The present invention relates to medical instrument technical field of tools more particularly to a kind of traction device for upper limb.

Background technique

It in clinical medicine work is frequently necessary to that the upper limb of human body is drawn or braked, including in wrist joint mirror art Traction, upper limb temporary brake of particular patients ' etc. in traction, shoulder joint mirror art.Shoulder joint is mainly by the shoulder broad-mouthed receptacle for holding liquid and humerus of shoulder blade Head composition；Shoulder broad-mouthed receptacle for holding liquid is the nest of people's shoulder joint, and humerus head is wrapped in shoulder broad-mouthed receptacle for holding liquid, but the nest of shoulder broad-mouthed receptacle for holding liquid is very shallow, in order to make shoulder joint steady It is fixed, there is the circle cartilage for deepening shoulder broad-mouthed receptacle for holding liquid at shoulder broad-mouthed receptacle for holding liquid, that circle cartilage is called shoulder broad-mouthed receptacle for holding liquid broad-mouthed receptacle for holding liquid lip；Shoulder mobility range is big, similar to beat The movement of baseball pitching, high spiking, body-building the flat movement such as lift the dumbbell of both arms, all the pulling force of shoulder may be made to pass through tendon Or ligament tears down broad-mouthed receptacle for holding liquid lip from omoplate bone fracture, this tearing occurs most often in front of joint.

On the market for treat the most common method of this kind of damage be exactly under arthroscope by the shoulder broad-mouthed receptacle for holding liquid broad-mouthed receptacle for holding liquid lip of tearing again Suture is fixed on shoulder broad-mouthed receptacle for holding liquid, perform an operation treat when, need to pull arm, to make Migration of humeral head, reduction is being stitched When closing shoulder broad-mouthed receptacle for holding liquid broad-mouthed receptacle for holding liquid lip, the interference to operation, current practice is all this mode in such a way that artificial hand takes drawing patient's arm Doctor's Assistant is not only needed to pull the arm of patient for a long time, intensity is high but also to be manually affectedly bashful patient's arm unstable, seriously Will affect procedure.

The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.

Summary of the invention

1. technical problems to be solved

Demand in clinical medicine to wrist traction will be continuously increased, it is desirable that also be increased accordingly.However, currently used traction Device is few, complex structural designs, inconvenient for use, higher cost, and because it is excessively firm, when use is be easy to cause to soft tissue Compression；Some simply uses strap, and because it is excessively soft, when traction will affect far-end of limb blood circulation；These lead Leading-in device easily causes complication, causes certain difficulty to corresponding clinical position is carried out.The purpose of the invention is to Solve the problems, such as a kind of traction device for upper limb that is above-mentioned in the prior art, and proposing.

2. technical solution

To achieve the goals above, present invention employs following technical solutions:

A kind of traction device for upper limb, including the first mounting plate and the second mounting plate, on first mounting plate and the second mounting plate It is equipped with mounting hole, two support guide rods that the side on first mounting plate far from the second mounting plate is provided symmetrically, One end of two support guide rods extends through the first mounting plate and is fixedly installed baffle, and two support guide rods is another End is fixedly installed main fixed plate, is set between the main fixed plate and the first mounting plate there are two the first spring, and two described the One spring is respectively sleeved at the outside of two support guide rods, and the main fixed plate passes through limit knot close to the side of the first mounting plate Structure is fixedly installed with traction rope, and second mounting plate is fixedly installed with hitch structure close to the side of the first mounting plate, described The one end of traction rope far from main fixed plate is mounted on hitch structure through the first mounting plate and baffle, is led in the main fixed plate It crosses connection structure and secondary fixed plate is installed, be fixedly installed with symmetrically arranged two guide sleeves in the pair fixed plate, it is each described The inside of guide sleeve slidably connects sliding block, slide bar is fixedly connected on the sliding block, and between sliding block and the inner sidewall of guide sleeve It is fixedly connected with second spring, the second spring is set in the outside of slide bar, and the slide bar is extended to far from one end of sliding block The outside of guide sleeve is simultaneously equipped with external screw thread, and two slide bars between one end of guide sleeve far from setting there are two clamping piece, described in two One end of clamping piece is hinged, and the other end is fixedly connected by velcro, is fixedly installed on two clamping pieces There is fixing piece and screw thread is set in the outside of two slide bars respectively.

Preferably, the position limiting structure includes fixed enclosing, and the fixed enclosing is fixedly mounted in main fixed plate, and solid Enclosing is determined equipped with top plate, and the traction rope extends to the inside of fixed enclosing and be fixedly connected with limit plate through top plate.

Preferably, the hitch structure includes wheel carrier, and the wheel carrier is fixedly mounted on the second mounting plate, and wheel carrier is interior Portion is rotatably connected to reel by bearing, and the upper end of the bearing extends to the top of wheel carrier and is fixedly connected with handwheel.

Preferably, handle is fixedly installed on the handwheel, the internal slide of the handle is connected with spacer pin, the wheel Frame is equipped with several pin holes being distributed in a ring, and the lower end of the spacer pin extends in pin hole through handwheel, and spacer pin Outside fixing sleeve be equipped with plectane, the inside that the plectane is located at handle is simultaneously fixedly installed third bullet between handle inner top Spring, the third spring are set in the outside of spacer pin, and the upper end of the spacer pin extends to the outside of handle and is fixedly connected There is pull ring.

Preferably, the connection structure includes connecting rod, and the both ends of the connecting rod extend respectively to main fixed plate and pair The two sides of fixed plate are simultaneously equipped with external screw thread, and the both ends of connecting rod are arranged with washer and screw thread is socketed with nut.

Preferably, it is equipped with annular groove between the main fixed plate and secondary fixed plate, if the internal slide of the annular groove is connected with Dry steel ball.

Preferably, symmetrically arranged two brackets, fixed company between two brackets are fixedly installed in the secondary fixed plate It is connected to strut, turning set is equipped with handle on the strut, and the handle is equipped with anti-skid structure, and the anti-skid structure is anti-skidding Line.

Preferably, fixing sleeve is equipped with knob on the slide bar, and the outside of the knob is equipped with antiskid particles.

Preferably, protection pad is fixedly installed on the inner wall of the connector, the protection pad uses sponge material.

Preferably, first mounting plate is fixedly installed backing plate close to the side of baffle, and the backing plate uses rubber material Matter.

3. beneficial effect

Compared with the prior art, the present invention has the advantages that

(1) structure of the invention is stablized, and easy to operate, design is scientific and reasonable, with short production cycle, low manufacture cost, leads convenient for adjusting Draw position；

(2) present invention makes up the deficiency that artificial hand takes drawing patient's arm mode by traction device for upper limb, with arthroscope outside The development and popularization of section do not need the arm that Doctor's Assistant pulls patient for a long time, can continually and steadily be affectedly bashful patient's arm, Guarantee that procedure orderly carries out, meets clinical position needs；

(3) present invention is easily installed and disassembly, it is scalable to reduce volume, be convenient for carrying and store, the first mounting plate and second Mounting plate can be installed as needed in place, have length and rotation regulatory function, easily and accurately can adjust and tie up Suffering limb abduction angle and the anteflexion line of force are held, good surgical field of view is help to obtain and facilitates surgical procedure, passes through the idler wheel upper limit Position pin can maintain effectively constant tractive force, and suffering limb has been attached on upper limb traction frame and assists without personnel, sterile drape operation It is time saving and energy saving to treat, and medical staff is facilitated to operate, and guarantees that therapeutic effect is worthy of popularization.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of traction device for upper limb proposed by the present invention；

Fig. 2 is traction device for upper limb diagrammatic cross-section；

Fig. 3 is the partial enlargement diagram in Fig. 2 at A；

Fig. 4 is the structural schematic diagram of connector and protection pad；

Fig. 5 is the structural schematic diagram of hitch structure.

In figure: 1- protection pad, 2- fixing piece, 3- clamping piece, 4- knob, 5- guide sleeve, 6- pair fixed plate, 7- guide rod, 8- top plate, 9- support guide rod, the first spring of 10-, the first mounting plate of 11-, 12- backing plate, 13- slide bar, 14- handle, 15- strut, 16- bracket, The main fixed plate of 17-, 18- traction rope, 19- baffle, the second mounting plate of 20-, 21- wheel carrier, 22- handwheel, 23- second spring, 24- are sliding Block, 25- steel ball, 26- reel, 27- mounting hole, 28- nut, 29- limit plate, 30- connecting rod, 31- washer, 32- bearing, 33- handle, 34- third spring, 35- spacer pin, 36- plectane, 37- pull ring.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

Referring to Fig.1-5, a kind of traction device for upper limb, including the first mounting plate 11 and the second mounting plate 20, the first mounting plate 11 and second are equipped with mounting hole 27 on mounting plate 20, traction device for upper limb is mounted on suitable surgery location, are convenient for Doctor and nurse use, two support guide rods that the side on the first mounting plate 11 far from the second mounting plate 20 is provided symmetrically 9, one end of two support guide rods 9 extends through the first mounting plate 11 and is fixedly installed baffle 19, and two support guide rods 9 The other end is fixedly installed main fixed plate 17, to constitute the mounting structure of main fixed plate 17, facilitates main fixed plate 17 towards first Moving horizontally on 11 direction of mounting plate, convenient for pulling the arm of traction patient, between main fixed plate 17 and the first mounting plate 11 If two the first springs 10 are respectively sleeved at the outside of two support guide rods 9, and main fixed plate 17 is close there are two the first spring 10 The side of first mounting plate 11 is fixedly installed with traction rope 18 by position limiting structure, and the second mounting plate 20 is close to the first mounting plate 11 Side be fixedly installed with hitch structure, to draw the movement of main fixed plate 17, traction rope 18 far from main fixed plate 17 one End is mounted on hitch structure through the first mounting plate 11 and baffle 19, is equipped with pair admittedly by connection structure in main fixed plate 17 Fixed board 6 is fixedly installed with symmetrically arranged two guide sleeves 5 in secondary fixed plate 6, and the inside of each guide sleeve 5 slidably connects cunning Block 24 is fixedly connected with slide bar 13 on sliding block 24, and is fixedly connected with second spring between sliding block 24 and the inner sidewall of guide sleeve 5 23, second spring 23 is set in the outside of slide bar 13, and slide bar 13 extends to the outside of guide sleeve 5 far from one end of sliding block 24 and is equipped with External screw thread to install the clamp structure of arm, and can be adjusted by second spring 23 and be stably connected with, and two slide bars 13 are remote Clamping piece 3 there are two setting between one end from guide sleeve 5, one end of two clamping pieces 3 is hinged, and the other end passes through magic Patch is fixedly connected, and fixing piece 2 is fixedly installed on two clamping pieces 3 and screw thread is set in the outside of two slide bars 13 respectively, To constitute the clamp structure of patient's arm, by traction device fixed clamp on the arm of patient.

In the present invention, position limiting structure includes fixed enclosing 7, and fixed enclosing 7 is fixedly mounted in main fixed plate 17, and fixed Enclosing 7 is equipped with top plate 8, and traction rope 18 extends to the inside of fixed enclosing 7 and be fixedly connected with limit plate 29 through top plate 8, One end to traction rope 18 is fixedly mounted in main fixed plate 17, and doctor is pulled using traction device, and hitch structure includes wheel Frame 21, wheel carrier 21 are fixedly mounted on the second mounting plate 20, and the inside of wheel carrier 21 is rotatably connected to reel by bearing 32 26, the upper end of bearing 32 extends to the top of wheel carrier 21 and is fixedly connected with handwheel 22, and handle 33 is fixedly installed on handwheel 22, The internal slide of handle 33 is connected with spacer pin 35, and wheel carrier 21 is equipped with several pin holes being distributed in a ring, spacer pin 35 Lower end extends in pin hole through handwheel 22, and the outside fixing sleeve of spacer pin 35 is equipped with plectane 36, and plectane 36 is located at handle 33 Inside and be fixedly installed third spring 34 between 33 inner top of handle, third spring 34 is set in the outer of spacer pin 35 Side, the upper end of spacer pin 35 extend to the outside of handle 33 and are fixedly connected with pull ring 37, to be led by the pulling of traction rope 18 Draw main fixed plate 17, doctor, which pulls pull ring 37 to extract spacer pin 35 from the pin hole of wheel carrier 21 out and holds handle 33, rotates handwheel 22, to drive, reel 26 disturbs traction rope 18 and pulling rope 14 is mobile, and then drives main fixed plate 17 by limit plate 29 It is mobile, patient's arm is pulled, after being pulled to suitable position, stops operating and handwheel 22 and unclamps pull ring 37 and turn, For spacer pin 35 in the pin hole for being inserted into wheel carrier 21 under the action of pushing plectane 36 of third spring 34, connection structure includes connection Bar 30, the both ends of connecting rod 30 extend respectively to the two sides of main fixed plate 17 and secondary fixed plate 6 and are equipped with external screw thread, and connecting rod 30 both ends are arranged with washer 31 and screw thread is socketed with nut 28, are equipped with annular groove, ring between main fixed plate 17 and secondary fixed plate 6 The internal slide of slot is connected with several steel balls 25, to the limit connection between main fixed plate 17 and secondary fixed plate 6, main fixation The pair fixed plate 6 in traction of plate 17 can be reduced between main fixed plate 17 and secondary fixed plate 6 in company with movement, and by steel ball 25 Frictional force converts sliding friction to the rolling friction of steel ball 25, adjusts convenient for patient's arm angles, improves comfort level, and pair is solid It is fixedly installed symmetrically arranged two brackets 16 on fixed board 6, is fixedly connected with strut 15 between two brackets 16, on strut 15 Turning set is equipped with handle 14, and handle 14 is equipped with anti-skid structure, and anti-skid structure is anti-skid chequer, to facilitate patient to hold handle 14, it is convenient for surgical procedure, fixing sleeve is equipped with knob 4 on slide bar 13, and the outside of knob 4 is equipped with antiskid particles, to facilitate rotation Slide bar 13 makes the external screw thread on slide bar 13 convenient for being threadedly coupled with 3 upper fixing element 2 of connector, fixed peace on the inner wall of connector 3 Equipped with protection pad 1, protection pad 1 uses sponge material, protecting patient's arm, connector 3 is avoided to cause to wear to the arm of patient, First mounting plate 11 is fixedly installed backing plate 12 close to the side of baffle 19, and backing plate 12 uses rubber material.

Working principle of the present invention can be implemented by following operation:

In the present invention, the first mounting plate 11 is mounted on operation and adapts to position by user when using the traction device for upper limb, the Two mounting plates 20 are mounted on doctor and facilitate operating position, first 3 sets of clamping piece on the arm of patient, then on clamping piece 3 2 sets of the fixing piece front ends in slide bar 13, turn knobs 4 are fully screwed into slide bar 13 on fixing piece 2, then handle 4 is placed on At patient's palm, the finger grips of patient live handle 4, and the arm of patient can rotate the secondary fixed plate 6 of drive in main fixation naturally The inner rotation of plate 17 keeps suitably loosening and comfortably for arm, and doctor pulls pull ring 37 by spacer pin 35 from wheel carrier 21 later Pin hole in extract out and hold handle 33 and rotate handwheel 22, moved so that reel 26 be driven to disturb traction rope 18 and pulling rope 14 It is dynamic, and then drive main fixed plate 17 mobile by limit plate 29, patient's arm is pulled, after being pulled to suitable position, is stopped Rotation stop starts to take turns 22 and unclamp pull ring 37 to turn, and spacer pin 35 is inserted under the action of the promotion plectane 36 of third spring 34 In the pin hole for entering wheel carrier 21, so that the convenient arm to patient carries out operative treatment, if to release to patient after operation Arm is pulled, it is only necessary to and pull pull ring 37 to rotate backward handwheel 22, it is easy to operate, it is high-efficient, make medical worker more Easily, it is worthy of popularization.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims

1. a kind of traction device for upper limb, including the first mounting plate (11) and the second mounting plate (20), first mounting plate (11) With mounting hole (27) are equipped on the second mounting plate (20), which is characterized in that on first mounting plate (11) far from second peace Two support guide rods (9) that the side of loading board (20) is provided symmetrically, one end of two support guide rods (9) extend through First mounting plate (11) is simultaneously fixedly installed baffle (19), and the other end of two support guide rods (9) is fixedly installed main fixation Plate (17) is set between the main fixed plate (17) and the first mounting plate (11) there are two the first spring (10), two described first Spring (10) is respectively sleeved at the outside of two support guide rods (9), and the main fixed plate (17) is close to the first mounting plate (11) Side is fixedly installed with traction rope (18) by position limiting structure, and the one of second mounting plate (20) close first mounting plate (11) Side is fixedly installed with hitch structure, the one end of the traction rope (18) far from main fixed plate (17) through the first mounting plate (11) and Baffle (19) is mounted on hitch structure, is equipped with secondary fixed plate (6) on the main fixed plate (17) by connection structure, described Symmetrically arranged two guide sleeves (5) are fixedly installed on secondary fixed plate (6), the inside of each guide sleeve (5) is slidably connected Have sliding block (24), be fixedly connected with slide bar (13) on the sliding block (24), and is solid between sliding block (24) and the inner sidewall of guide sleeve (5) Surely it is connected with second spring (23), the second spring (23) is set in the outside of slide bar (13), and the slide bar (13) is far from sliding One end of block (24) extends to the outside of guide sleeve (5) and is equipped with external screw thread, the one end of two slide bars (13) far from guide sleeve (5) Between set there are two clamping piece (3), one end of two clamping pieces (3) is hinged, and the other end is solid by velcro It is fixed to connect, fixing piece (2) is fixedly installed on two clamping pieces (3) and screw thread is set in two slide bars (13) respectively Outside.

2. a kind of traction device for upper limb according to claim 1, which is characterized in that the position limiting structure includes fixed enclosing (7), the fixed enclosing (7) is fixedly mounted on main fixed plate (17), and fixed enclosing (7) are equipped with top plate (8), described to lead Messenger (18) extends to the inside of fixed enclosing (7) and is fixedly connected with limit plate (29) through top plate (8).

3. a kind of traction device for upper limb according to claim 1, which is characterized in that the hitch structure includes wheel carrier (21), the wheel carrier (21) is fixedly mounted on the second mounting plate (20), and the inside of wheel carrier (21) is rotated by bearing (32) It is connected with reel (26), the upper end of the bearing (32) extends to the top of wheel carrier (21) and is fixedly connected with handwheel (22).

4. a kind of traction device for upper limb according to claim 3, which is characterized in that be fixedly installed on the handwheel (22) The internal slide of handle (33), the handle (33) is connected with spacer pin (35), and the wheel carrier (21) is equipped with to be distributed in a ring Several pin holes, the lower end of the spacer pin (35) extends in pin hole through handwheel (22), and the outside of spacer pin (35) Fixing sleeve is equipped with plectane (36), and the plectane (36), which is located at the inside of handle (33) and fixes between handle (33) inner top, to be set It is equipped with third spring (34), the third spring (34) is set in the outside of spacer pin (35), the upper end of the spacer pin (35) It extends to the outside of handle (33) and is fixedly connected with pull ring (37).

5. a kind of traction device for upper limb according to claim 1, which is characterized in that the connection structure includes connecting rod (30), the both ends of the connecting rod (30) extend respectively to the two sides of main fixed plate (17) and secondary fixed plate (6) and are equipped with outer spiral shell Line, and the both ends of connecting rod (30) are arranged with washer (31) and screw thread is socketed with nut (28).

6. a kind of traction device for upper limb according to claim 1 or 5, which is characterized in that the main fixed plate (17) and pair Annular groove is equipped between fixed plate (6), the internal slide of the annular groove is connected with several steel balls (25).

7. a kind of traction device for upper limb according to claim 1, which is characterized in that fixation is set on the pair fixed plate (6) Symmetrically arranged two brackets (16) are equipped with, are fixedly connected with strut (15) between two brackets (16), on the strut (15) Turning set is equipped with handle (14), and the handle (14) is equipped with anti-skid structure, and the anti-skid structure is anti-skid chequer.

8. a kind of traction device for upper limb according to claim 1, which is characterized in that fixing sleeve is equipped on the slide bar (13) The outside of knob (4), the knob (4) is equipped with antiskid particles.

9. a kind of traction device for upper limb according to claim 1, which is characterized in that solid on the inner wall of the connector (3) Dingan County is equipped with protection pad (1), and the protection pad (1) uses sponge material.

10. a kind of traction device for upper limb according to claim 1, which is characterized in that first mounting plate (11) is close The side of baffle (19) is fixedly installed backing plate (12), and the backing plate (12) uses rubber material.