CN112155925A

CN112155925A - Shoulder joint traction frame

Info

Publication number: CN112155925A
Application number: CN202011138214.7A
Authority: CN
Inventors: 李海亮; 徐丰翎
Original assignee: NINGBO TECHART MEDICAL EQUIPMENT CO Ltd
Current assignee: NINGBO TECHART MEDICAL EQUIPMENT CO Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-01-01
Anticipated expiration: 2040-10-22
Also published as: CN112155925B

Abstract

The invention discloses a shoulder joint traction frame, which comprises a traction frame main body, wherein a traction line is arranged on the traction frame main body, the traction frame main body is also connected with an adjusting device which is used for unidirectionally adjusting the position of the traction line and does not influence normal transmission when the position is not adjusted, the shoulder joint traction frame can adjust a spiral line type radial adjusting mechanism through a control component, and further, a pulley of the shoulder joint traction frame expands outwards in an expanding manner, so that two ends of the traction line move towards the device to achieve the purpose of adjustment, and one end of the traction line, which is connected with a patient, can be kept immovable in advance through a clamping mechanism before adjustment, only one end connected with a weight tray is changed to change the position of the traction line, the shoulder joint traction frame is convenient to adjust, and the clamping is.

Description

Shoulder joint traction frame

Technical Field

The invention relates to the technical field of traction frames, in particular to a shoulder joint traction frame.

Background

General shoulder arthroscope operation is with upper limbs traction frame, including montant and the arc pole that extends away from the montant top, respectively be equipped with a pulley at the extension end of montant top and arc pole, two pulleys are gone up to stride and are equipped with the haulage rope, and the haulage rope is close to the one end of montant and connects the balancing weight, and the other end is equipped with human upper limbs constraint device to supply with the forearm fixed connection of operation object. Therefore, the arm of the operation object is obliquely pulled upwards by the weight of the balancing weight, so as to be beneficial to the smooth operation. Simultaneously, the weight of balancing weight can be adjusted to it is adjustable to adapt to the traction strength of different needs traction frame to patient's arm, through the weight of adjustment weight or salt water bag, reaches the size that changes traction strength.

Although the existing traction frame can keep a certain posture and keep, because the upper limbs of the patient need to be pulled through the traction rope, the extension length of the traction rope can be different due to the influences of factors such as the installation position, the physical size of the patient and the posture needing to be kept, the traction stability is kept, one end of a common traction rope connecting weight can be longer, and therefore under the specific conditions such as the patient with longer arms, the traction rope can possibly contact the ground, and the stability of the traction frame can be influenced by overhigh adjustment of the traction frame. Therefore, a shoulder joint traction frame is provided.

Disclosure of Invention

The invention aims to provide a shoulder joint traction frame which can unidirectionally adjust the position of a traction line and does not influence normal transmission when not adjusted, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shoulder joint traction frame, includes the traction frame main part, be provided with the pull wire in the traction frame main part, still be connected with in the traction frame main part and be used for one-way adjustment pull wire position and can not influence normal driven adjusting device when not adjusting.

Preferably, adjusting device includes the dead lever of fixed connection in the traction frame main part, be connected with the radial adjustment mechanism of helix formula on the dead lever, be provided with the fixture of centre gripping traction wire on the radial adjustment mechanism of helix formula, be provided with control unit between the one end of dead lever and the radial adjustment mechanism of helix formula, come the radial adjustment mechanism of unified control helix formula and add the mechanism of holding through control unit, can be convenient for more the operation.

Preferably, the spiral-line-type radial adjusting mechanism comprises a side plate fixedly connected with a fixed rod, an outer annular plate is fixedly connected to the side plate, a plurality of groups of slide rods are connected to the outer annular plate in a sliding mode, one end of each slide rod is connected with a fixed plate, a pulley used for transmission and pulling open of a traction line is connected to the fixed plate in a rotating mode, a first spring is connected between the pulley and the outer annular plate, an adjusting ring used for changing the position of each slide rod and connected with the outer annular plate in a rotating mode is connected to the fixed rod in a rotating mode, a plurality of groups of sliding grooves connected with the bottom ends of the slide rods in a sliding mode are formed in the adjusting ring, the clamping mechanism is fixedly installed on.

Preferably, the control part is including setting up in the regulating block of dead lever one end, one side fixedly connected with baffle of regulating block, one side fixedly connected with of baffle rotates the buffering circle of being connected with dead lever one end, be connected with clockwork spring between the outside of buffering circle and the regulating ring, still be connected with two sets of first stoppers on the buffering circle, be connected with the second stopper with first stopper looks adaptation on the regulating ring, sliding connection has the catch bar in the dead lever, set up the promotion groove with catch bar sliding connection on the baffle, the one end and the fixture of catch bar are connected, and the baffle is convenient for improve the interval to conveniently adjust.

Preferably, fixture includes the mounting panel of fixed connection on the curb plate, two sets of fixed blocks of fixedly connected with on the mounting panel, just sliding connection has the slider on the fixed block, the one end of slider is connected with the grip block that is used for the centre gripping pull wire, be connected with the elasticity telescopic link between the other end of slider and the fixed block, sliding connection has the cable of being connected with two sets of sliders respectively in the mounting panel, the one end and the catch bar of cable are connected, and the elasticity telescopic link can keep the stability of elasticity performance, can not the side direction extrusion.

Preferably, a second spring is connected between one end of the push rod and the traction frame main body, so that the restoring force is improved conveniently.

Preferably, the inhaul cable adopts a steel cable, so that linkage is facilitated.

Preferably, the clamping block is made of rubber, so that the friction coefficient is high, and the traction wire cannot be damaged.

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

the invention can adjust the spiral radial adjusting mechanism through the control part, further expand the pulley outwards, move the two ends of the traction line towards the device, achieve the purpose of adjustment, and can also keep the end of the traction line connected with a patient immovable in advance through the clamping mechanism before adjustment, only change the end connected with the weight tray, change the position of the weight tray, facilitate adjustment, and automatically remove the clamping after adjustment.

Drawings

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

FIG. 2 is a schematic view of the adjusting device according to the present invention;

FIG. 3 is a schematic exploded view of a portion of the adjusting device of the present invention;

FIG. 4 is an enlarged view of the structure of the area A in FIG. 3;

FIG. 5 is a schematic cross-sectional view of a spiral radial adjustment mechanism;

FIG. 6 is an enlarged view of the structure of the area B in FIG. 5;

FIG. 7 is a partially developed schematic view of the control part;

FIG. 8 is a schematic sectional view of the clamping mechanism;

FIG. 9 is an enlarged view of the structure of the area C in FIG. 8;

fig. 10 is a schematic diagram of a half-section structure of the adjusting ring and the distribution of the sliding grooves.

In the figure: 1-a traction frame body; 2-a traction wire; 3-a regulating device; 4-fixing the rod; 5-a spiral radial adjusting mechanism; 6-a clamping mechanism; 7-a control component; 8-side plate; 9-outer ring plate; 10-a slide bar; 11-a fixed plate; 12-a pulley; 13-a first spring; 14-an adjusting ring; 15-a chute; 16-a regulating block; 17-a separator; 18-a buffer ring; 19-a clockwork spring; 20-a first stopper; 21-a second limiting block; 22-a push rod; 23-pushing the groove; 24-a mounting plate; 25-fixing block; 26-a slide block; 27-a clamping block; 28-an elastic telescopic rod; 29-a pull cable; 30-second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: a shoulder joint traction frame comprises a traction frame main body 1, wherein a traction wire 2 is arranged on the traction frame main body 1, two traction wires 2 are generally arranged on the traction frame main body 1, one end of each traction wire is connected with limbs of a person such as an arm, the other end of each traction wire is hung by a weight tray, traction force is adjusted by adding or subtracting weights, the traction frame main body 1 can be adjusted in height and angle, and various postures are adjusted, an adjusting device 3 which is used for adjusting the position of the traction wire 2 in a single direction and cannot influence normal transmission when not adjusted is further connected on the traction frame main body 1, because the length of the traction wire is generally fixed when the posture is adjusted, and the lower the hanging height of the traction wire is, the smaller the influence of shaking on the other end is generated, when the shoulder joint traction frame is used for different patients, specific adjustment is needed according to body conditions and postures, and one end connected with the patients cannot be pulled by the adjusting device 3 in the equipment when adjustment, therefore, the end cannot be influenced, the normal sliding of the traction wire can not be influenced after adjustment, and the traction wire is not in a fixed state because the human body and the operation of a doctor can generate certain shaking.

Adjusting device 3 includes fixed connection in the dead lever 4 on traction frame main part 1, be connected with the radial adjustment mechanism 5 of helix formula on the dead lever 4, be provided with the fixture 6 of centre gripping pull wire 2 on the radial adjustment mechanism 5 of helix formula, be provided with control unit 7 between the one end of dead lever 4 and the radial adjustment mechanism 5 of helix formula, adjust the radial adjustment mechanism 5 of helix formula and fix pull wire 2 through fixture 6 before the regulation through control unit 7.

The spiral radial adjusting mechanism 5 comprises a side plate 8 fixedly connected with a fixed rod 4, an outer ring plate 9 is fixedly connected to the side plate 8, a plurality of groups of sliding rods 10 are connected to the outer ring plate 9 in a sliding manner, the sliding rods 10 are integrally distributed on the outer ring plate 9 along a spiral line, one end of each sliding rod 10 is connected with a fixed plate 11, a pulley 12 for driving and propping open the traction wire 2 is connected to the fixed plate 11 in a rotating manner, the pulley 12 facilitates the traction wire to better slide so as to reduce resistance, a first spring 13 is connected between the pulley 12 and the outer ring plate 9, the first spring 13 facilitates the sliding rod 12 to always bear a pulling force so as to always tend to return to an initial position, an adjusting ring 14 which is connected with the outer ring plate 9 in a rotating manner and used for changing the position of the sliding rod 10 is connected to the fixed rod 4 in a rotating manner, and a plurality of, the sliding groove 15 is also distributed on the adjusting ring 14 in a spiral shape, the spiral pitch of the spiral is the same as that of the sliding rod 10, the sliding groove and the sliding rod are in one-to-one correspondence, the bottom surface of the sliding groove 15 is also in a partial spiral shape, the sliding rod 10 continuously moves along the axial direction when rotating, the clamping mechanism 6 is fixedly installed on the side plate 8, when the adjusting ring 14 rotates towards one direction, the sliding rod 10 moves outwards along the axial direction under the action of the sliding groove 15, the spiral diameter of the virtual spiral line formed by the sliding rod is increased due to a plurality of circles, the length of the traction line 2 located between the pulleys 12 is increased, the end portion of the traction line is shortened, the end portion of the traction line is reversely rotated, opposite effects can be generated, and the end position of the traction line 2 is adjusted.

The control part 7 comprises an adjusting block 16 arranged at one end of the fixed rod 4, a plurality of groups of shifting blocks which are convenient to rotate are connected on the adjusting block 16, the shifting blocks are convenient to rotate, a partition plate 17 is fixedly connected to one side of the adjusting block 16, the partition plate 17 enables the adjusting block 16 not to be tightly attached to the outer ring plate 9, and therefore the adjusting block is more convenient to rotate, a buffer ring 18 which is rotatably connected with one end of the fixed rod 4 is fixedly connected to one side of the partition plate 17, a clockwork spring 19 is connected between the outer side of the buffer ring 18 and the adjusting ring 14, the clockwork spring 19 mainly has the function of enabling the buffer ring 18 to rotate in advance to trigger the clamping mechanism 6, and can restore to a certain position when the adjustment is finished, the position is the displacement of the rotation of the buffer ring 18 minus the compression amount of the clockwork spring 19, two groups of first limiting blocks 20 are also connected, first stopper 20 and second stopper 21 mainly prevent clockwork spring 19 excessive compression and can drive regulation circle 14 and adjust, sliding connection has catch bar 22 in the dead lever 4, set up on the baffle 17 with catch bar 22 sliding connection's promotion groove 23, the one end and the fixture 6 of catch bar 22 are connected, and through the rotation of baffle 17, promotion groove 23 makes catch bar 22 slide and stretch into dead lever 4 to begin to trigger fixture 6.

The clamping mechanism 6 comprises a mounting plate 24 fixedly connected to the side plate 8, two groups of fixing blocks 25 are fixedly connected to the mounting plate 24, a sliding block 26 is connected to the fixing block 25 in a sliding manner, one end of the sliding block 26 is connected with a clamping block 27 for clamping the traction wire 2, the clamping block 27 is made of rubber, the clamping block 27 mainly prevents the traction wire 2 from sliding, therefore, a material with a large friction coefficient is needed, and a material which does not damage the traction wire 2 is not generated, therefore, the rubber material is preferably selected, an elastic telescopic rod 28 is connected between the other end of the sliding block 26 and the fixing block 25, the elastic telescopic rod 28 is formed by sleeving two rods with different diameters, a spring is connected between the two rods, the elastic telescopic rod 28 is convenient for the two clamping blocks 27 to be always in a separated state, and pull cables 29 respectively connected with, the pull cable 29 is a steel cable, and due to the fact that the steel cable is not strong in elastic performance, transmission force is convenient to act, one end of the pull cable is Y-shaped and forked, one end of the pull cable 29 is connected with the push rod 22, the two sliding blocks 26 can be pulled by the movement of the push rod 22 through the pull cable 29, and therefore the two clamping blocks 27 move oppositely to clamp the traction line 2.

A second spring 30 is connected between one end of the push rod 22 and the traction frame main body 1, because the push rod 22 needs to be reset for subsequent adjustment, but the push rod is reset only through the elastic telescopic rod 28 and the pull cable 29, the acting force is small, and therefore the second spring 30 is arranged at the end part of the push rod for resetting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Shoulder joint traction frame, including traction frame main part (1), its characterized in that: be provided with pull wire (2) on traction frame main part (1), still be connected with on traction frame main part (1) and be used for one-way adjustment pull wire (2) position and can not influence normal driven adjusting device (3) when not adjusting.

2. The shoulder joint traction frame of claim 1, wherein: adjusting device (3) are including dead lever (4) of fixed connection on traction frame main part (1), be connected with radial adjustment mechanism of helix formula (5) on dead lever (4), be provided with fixture (6) of centre gripping pull wire (2) on the radial adjustment mechanism of helix formula (5), be provided with control unit (7) between the one end of dead lever (4) and the radial adjustment mechanism of helix formula (5).

3. The shoulder joint traction frame of claim 2, wherein: the spiral radial adjusting mechanism (5) comprises a side plate (8) fixedly connected with the fixed rod (4), an outer ring plate (9) is fixedly connected to the side plate (8), a plurality of groups of sliding rods (10) are connected to the outer ring plate (9) in a sliding manner, one end of the sliding rod (10) is connected with a fixed plate (11), the fixed plate (11) is rotatably connected with a pulley (12) for transmitting and stretching the traction line (2), a first spring (13) is connected between the pulley (12) and the outer ring plate (9), the fixed rod (4) is rotationally connected with an adjusting ring (14) which is rotationally connected with the outer ring plate (9) and is used for changing the position of the sliding rod (10), the adjusting ring (14) is provided with a plurality of groups of sliding grooves (15) which are in sliding connection with the bottom end of the sliding rod (10), and the clamping mechanism (6) is fixedly arranged on the side plate (8).

4. The shoulder joint traction frame of claim 3, wherein: control part (7) is including setting up in regulating block (16) of dead lever (4) one end, one side fixedly connected with baffle (17) of regulating block (16), one side fixedly connected with of baffle (17) rotates buffer ring (18) of being connected with dead lever (4) one end, be connected with clockwork spring (19) between the outside of buffer ring (18) and regulation ring (14), still be connected with two sets of first stopper (20) on buffer ring (18), be connected with second stopper (21) with first stopper (20) looks adaptation on regulation ring (14), sliding connection has catch bar (22) in dead lever (4), set up on baffle (17) with catch bar (22) sliding connection's promotion groove (23), the one end and the fixture (6) of catch bar (22) are connected.

5. The shoulder joint traction frame of claim 4, wherein: fixture (6) are including mounting panel (24) of fixed connection on curb plate (8), two sets of fixed block (25) of fixedly connected with on mounting panel (24), just sliding connection has slider (26) on fixed block (25), the one end of slider (26) is connected with grip block (27) that are used for centre gripping pull wire (2), be connected with elastic telescopic rod (28) between the other end of slider (26) and fixed block (25), sliding connection has cable (29) of being connected with two sets of sliders (26) respectively in mounting panel (24), the one end and catch bar (22) of cable (29) are connected.

6. The shoulder joint traction frame of claim 4, wherein: a second spring (30) is connected between one end of the push rod (22) and the traction frame main body (1).

7. The shoulder joint traction frame of claim 5, wherein: the pull cable (29) is a steel cable.

8. The shoulder joint traction frame of claim 5, wherein: the clamping block (27) is made of rubber.