阅读说明：本技术 一种具有夹角可调和自锁功能的骨科牵引装置 (Orthopedics draw gear with contained angle is adjustable and self-locking function ) 是由 徐增辉 李伟 黄杰平 高彩丽 李正刚 唐兴 马东林 高红瑞 杨园 李垠莹 于 2020-12-28 设计创作，主要内容包括：本发明公开一种具有夹角可调和自锁功能的骨科牵引装置,涉及辅助型医疗器械技术领域,一种具有夹角可调和自锁功能的骨科牵引装置,包括支架部,牵引位置控制部和牵引力调节部,所述牵引位置控制部的直角悬梁可以通过所述支架部的床位固定架组装固定在床沿一侧,控制所述牵引力调节部的调力活动框的位置可以调节所述牵引位置控制部的亲肤绑带一端牵引力大小,一种具有夹角可调和自锁功能的骨科牵引装置可以拆卸组装,便于携带和清洗,还可以快速改变与固定牵引的位置,可以满足在较少配重物的时候还可以进行大范围的牵引力变化,使外出使用时减少配重物的携带。(The invention discloses an orthopedic traction device with an adjustable included angle and a self-locking function, relating to the technical field of auxiliary medical instruments, in particular to an orthopedic traction device with an adjustable included angle and a self-locking function, which comprises a bracket part, a traction position control part and a traction force adjusting part, the right-angle suspension beam of the traction position control part can be assembled and fixed at one side of the bed edge through the bed fixing frame of the bracket part, the traction force of one end of the skin-friendly bandage of the traction position control part can be adjusted by controlling the position of the force-adjusting movable frame of the traction force adjusting part, the orthopaedics traction device with the adjustable included angle and the self-locking function can be disassembled and assembled, is convenient to carry and clean, and can also quickly change and fix the traction position, the traction force change in a large range can be carried out when the number of the counter weights is small, and the carrying of the counter weights is reduced when the automobile is used outdoors.)

1. The utility model provides an orthopedics draw gear with contained angle is adjustable and self-locking function which characterized in that: the multifunctional bed comprises a support part, a traction position control part and a traction force adjusting part, wherein a right-angle suspension beam of the traction position control part can be assembled and fixed on one side of a bed edge through a bed fixing frame of the support part, and the traction force of one end of a skin-friendly bandage of the traction position control part can be adjusted by controlling the position of a force adjusting movable frame of the traction force adjusting part.

2. The orthopedic traction device with adjustable included angle and self-locking function as claimed in claim 1, characterized in that: the support part comprises a bed fixing frame, fixing frame fastening nails, a pre-tightening block, a movable connecting block, connecting block fastening nails, cantilever beam fastening nails and a right-angle cantilever beam, the bed fixing frame is C-shaped surrounding one side of a bed edge, the number of the fixing frame fastening nails is at least three, the fixing frame fastening nails are in threaded connection with two shorter sides of the bed fixing frame, the pre-tightening block is in threaded connection with the tail end of the fixing frame fastening nail, the movable connecting block is in sliding connection with the bed fixing frame, the connecting block fastening nails are in threaded connection with one side of the movable connecting block, one side of the right-angle cantilever beam is provided with a section of cross sliding chute, two sides of the cross sliding chute on the right-angle cantilever beam are provided with raised particles, the right-angle cantilever beam is in sliding connection with a hole on the movable connecting block, the cantilever beam fastening nails, the bending part of the right-angle cantilever beam can change the angle through rotation, and the traction position control part is arranged on the right-angle cantilever beam.

3. The orthopedic traction device with the included angle adjustable and self-locking function as claimed in claim 2, characterized in that: the traction position control part comprises a lifting ring, a T-shaped block, a cross block, a cylindrical support, a movable plate guide post, a movable plate spring, a movable plate handle, a pulley frame, a rotating pulley, a traction rope and a skin-friendly bandage, wherein the lifting ring is fixedly connected to one side of the right-angle cantilever beam, the T-shaped block is provided with a guide hole, the T-shaped block is fixedly connected with the cross block, the cross block is slidably connected into a cross chute on the right-angle cantilever beam, the cylindrical support is fixedly connected with one side of the cross block, one side of the movable plate is provided with a groove matched with raised particles on the right-angle cantilever beam, the movable plate is slidably connected onto the T-shaped block, the movable plate guide post is fixedly connected to one side of the movable plate, the movable plate spring is fixedly connected to one side of the movable plate guide post, the movable plate guide post is fixedly connected to one side of the movable plate spring, and is slidably connected into the T, loose plate handle fixed connection be in on the fly leaf, the pulley yoke rotates to be connected on the cylinder holds in the palm, it rotates through the pivot to rotate the pulley and connects on the pulley yoke, the one end of haulage rope is around rotate on the pulley, the haulage rope passes rings, skin-friendly bandage material is soft, can pull down the washing change, just the thickness of skin-friendly bandage can be adjusted like the belt, haulage rope one end falls into two strands, fixed connection respectively is in the both sides of skin-friendly bandage, the haulage rope other end sets up on the traction force regulation portion.

4. The orthopedic traction device with the included angle adjustable and self-locking function as claimed in claim 3, characterized in that: the traction force adjusting part comprises a force adjusting fixed frame, a C-shaped frame, small fastening nails, a force adjusting rotating frame, a force adjusting movable frame, a movable frame handle, a toothed shaft, a gear, an active rack, an active elliptical frame, a passive rack, a passive elliptical frame, an active rod, an arc-shaped jacking block, a jacking block handle, a jacking movable block, a rotating wheel, a moving frame, a rope winding frame, a rope shaft guide column, a guide column spring, a rope winding shaft, a rope winding handle and a counterweight, the force adjusting fixed frame is fixedly connected to one side of the bed position fixed frame, the middle of the force adjusting fixed frame is provided with a section of through groove, the C-shaped frame is provided with two C-shaped frames, the C-shaped frame is slidably connected to holes at two ends of the force adjusting fixed frame, the small fastening nails are in threaded connection with two sides of the C-shaped frame, the force adjusting rotating frame is slidably connected to the through groove of the force adjusting fixed frame, the middle of the force adjusting rotating frame is provided with a through groove, the adjustable force movable frame is provided with a groove and a through hole for other parts to move, the adjustable force movable frame is sleeved on the adjustable force rotating frame and is connected with the adjustable force rotating frame in a sliding manner, the adjustable force movable frame is connected in a guide groove on the adjustable force fixing frame in a sliding manner, the movable frame handle is fixedly connected on the adjustable force movable frame, the belt tooth shaft is fixedly connected on the adjustable force movable frame, two rows of tooth teeth are arranged in the middle of the belt tooth shaft, the outer side of the tooth shaft is in a stepped shaft shape, the number of gears is two, the gears are connected on the adjustable force movable frame in a rotating manner through rotating shafts, the active rack is connected in a corresponding sliding groove of the adjustable force movable frame in a sliding manner, the active rack is matched with the gears, the active oval frame is fixedly connected on one side of the active rack, the passive rack is connected in a corresponding sliding groove of the adjustable force movable frame in a sliding manner, the driven rack is matched with the gear, the driven elliptical frame is fixedly connected to one side of the driven rack, the driving rod is connected in two driving elliptical frames in a sliding manner, rods corresponding to the driving rod are connected in the two driven elliptical frames in a sliding manner, the movable frame is in a hollow pattern, the movable frame is provided with through grooves matched with other components, the movable frame is rotatably connected to the stepped shaft with the toothed shaft and is connected in the through grooves of the force adjusting rotating frame in a sliding manner, the arc-shaped tightening blocks are connected in the movable frame in a sliding manner, the two arc-shaped tightening blocks are provided, the arc-shaped tightening blocks are made of magnetic materials, one arc-shaped tightening block is fixedly connected in the middle of the driving rod, the other arc-shaped tightening block is fixedly connected in the middle of the rod corresponding to the driving rod, one end of each arc-shaped tightening block is provided with a shape matched with the teeth of the toothed shaft, the other end of the arc-shaped jacking block is characterized by gradually becoming arc-shaped and thinner, handles of the jacking blocks are fixedly connected with two ends of the driving rod, two pairs of the jacking movable blocks are provided, each pair of the jacking movable blocks are vertically and symmetrically connected in the through groove of the movable frame in a sliding manner, one end of each jacking movable block is in a groove shape matched with the protruding particles of the force-adjusting rotating frame, the other end of each jacking movable block is rotatably connected with the rotating wheel through a rotating shaft, the rotating wheel is slidably connected with the thinner end of the arc-shaped jacking block, the rotating wheel is made of magnetic materials, so that the rotating wheel is always adsorbed on the arc-shaped jacking block matched with the rotating wheel, the rope winding frame is fixedly connected with one end of the force-adjusting rotating frame, the rope winding frame is provided with a through hole, the rope shaft guide columns are fixedly connected with one side of the rope winding frame, the rope shaft guide columns are provided with a plurality of rope, and the rope shaft, the rope winding shaft is rotatably connected in the rope winding frame through hole one end of the rope winding shaft is provided with a guide hole in sliding connection with a rope shaft guide post, a circle of teeth are arranged on the rope winding shaft, a groove matched with the teeth on the rope winding shaft is formed in the edge of the rope winding frame through hole, the traction rope is wound on the rope winding shaft, the other end of the traction rope is fixedly connected on the rope winding shaft, one end of the rope winding shaft is fixedly connected with a rope winding handle, the fixed pulley is arranged on one side of one end of the force adjusting fixing frame through a rotating shaft and a support, and the counterweight is fixedly connected on the fixed pulley at the other end of the force adjusting rotating frame.

Technical Field

The invention relates to the technical field of auxiliary medical instruments, in particular to an orthopedic traction device with adjustable included angle and self-locking function.

Background

In fracture treatment surgery, traction reduction operation is a basic operation and an important operation, and the effect of the traction reduction operation directly influences the surgical result and postoperative recovery. Distraction is the operation of pulling apart the broken bones after crossing by applying forces in opposite directions to the ends of the fracture. Reduction refers to the operation of restoring the fractured bone to a position close to a healthy state after distraction. In the traditional fracture treatment operation, the traction and reduction operations are finished by a doctor by referring to perspective images before or during the operation and by means of experience and freehand, the operation is not only complex but also depends on clinical experience of the doctor, and in addition, the traction stroke of the traction device is small, so that various clinical traction requirements are difficult to meet.

In summary, the following technical problems exist in the orthopedic traction process at present: 1) the existing traction frame is too large, is not easy to carry and use, and causes burden to medical care personnel when being carried outside and used outdoors; 2) the adjustment of the existing traction frame requires the movement and fixation of medical care personnel, and the loosening and locking actions are required to be carried out every movement, so that the traction process is complicated and time is wasted; 3) the balance weight used by the existing traction frame is a weight, and a plurality of balance weights need to be taken when the traction frame is carried outside and used outdoors, so that the traction frame is too heavy and is not easy to be used by medical personnel when the traction frame is used outdoors.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the orthopedic traction device with the adjustable included angle and the self-locking function.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

the utility model provides an orthopedics draw gear with contained angle is adjustable and self-locking function, includes support portion, pulls position control portion and traction force adjustment portion, the right angle of pulling position control portion hangs the roof beam and can pass through the bed position mount equipment of support portion is fixed in bed edge one side, controls the position of the accent power movable frame of traction force adjustment portion can be adjusted the close skin bandage one end traction force size of pulling position control portion.

Further, the support part comprises a bed fixing frame, fixing frame fastening nails, a pre-tightening block, at least three movable connecting blocks, connecting block fastening nails, cantilever beam fastening nails and a right-angle cantilever beam, the bed fixing frame is C-shaped around one side of the bed edge, the fixing frame fastening nails are in threaded connection with the two shorter sides of the bed fixing frame, the pre-tightening block is in threaded connection with the tail end of the fixing frame fastening nails, the movable connecting blocks are in sliding connection with the bed fixing frame, the connecting block fastening nails are in threaded connection with one side of the movable connecting blocks, one side of the right-angle cantilever beam is provided with a cross sliding groove, protruding particles are arranged on the two sides of the cross sliding groove on the right-angle cantilever beam, the right-angle cantilever beam is in sliding connection with the holes on the movable connecting blocks, the cantilever beam fastening nails are in threaded connection with the movable connecting blocks, the movable connecting, the bending part of the right-angle cantilever beam can change the angle through rotation, and the traction position control part is arranged on the right-angle cantilever beam.

Furthermore, the traction position control part comprises a lifting ring, a T-shaped block, a cross block, a cylindrical support, a movable plate guide post, a movable plate spring, a movable plate handle, a pulley frame, a rotating pulley, a traction rope and a skin-friendly binding band, the lifting ring is fixedly connected to one side of the right-angle cantilever beam, the T-shaped block is provided with a guide hole, the T-shaped block is fixedly connected with the cross block, the cross block is slidably connected into a cross chute on the right-angle cantilever beam, the cylindrical support is fixedly connected to one side of the cross block, one side of the movable plate is provided with a groove matched with raised particles on the right-angle cantilever beam, the movable plate is slidably connected onto the T-shaped block, the movable plate guide post is fixedly connected to one side of the movable plate, the movable plate spring is fixedly connected to one side of the movable plate guide post, and the movable plate guide post is fixedly connected to one side of the movable plate spring, sliding connection is in the T type piece guiding hole, loose plate handle fixed connection be in on the fly leaf, the pulley yoke rotates to be connected on the cylinder holds in the palm, it rotates through the pivot to connect to rotate the pulley yoke, the one end of haulage rope is around rotate on the pulley, the haulage rope passes rings, close skin bandage material is soft, can pull down the washing change, just the thickness of close skin bandage can be adjusted like the belt, haulage rope one end falls into two strands, fixed connection respectively in the both sides of close skin bandage, the haulage rope other end sets up on the traction force adjustment part.

Further, the traction force adjusting part comprises a force adjusting fixing frame, a C-shaped frame, small fastening nails, a force adjusting rotating frame, a force adjusting movable frame, a movable frame handle, a toothed shaft, a gear, an active rack, an active elliptical frame, a passive rack, a passive elliptical frame, an active rod, an arc-shaped jacking block, a jacking block handle, a jacking movable block, a rotating wheel, a moving frame, a rope winding frame, a rope shaft guide column, a guide column spring, a rope winding shaft, a rope winding handle and a counterweight, the force adjusting fixing frame is fixedly connected to one side of the bed position fixing frame, a section of through groove is formed in the middle of the force adjusting fixing frame, the C-shaped frame is provided with two C-shaped frames, the C-shaped frame is slidably connected to holes at two ends of the force adjusting fixing frame, the small fastening nails are in threaded connection with two sides of the C-shaped frame, the force adjusting rotating frame is slidably connected to the through groove of the force adjusting fixing frame, and a through groove, the two sides of the through groove of the force-adjusting rotating frame are provided with protruding particles, the force-adjusting movable frame is provided with a groove and a through hole for other parts to move, the force-adjusting movable frame is sleeved on the force-adjusting rotating frame and is connected with the force-adjusting rotating frame in a sliding manner, the force-adjusting movable frame is connected in the guide groove on the force-adjusting fixed frame in a sliding manner, the movable frame handle is fixedly connected on the force-adjusting movable frame, the toothed shaft is fixedly connected on the force-adjusting movable frame, two rows of toothed teeth are arranged in the middle of the toothed shaft, the outer side of the toothed teeth of the toothed shaft is in a stepped shaft shape, two gears are arranged, the gears are rotatably connected on the force-adjusting movable frame through rotating shafts, the driving rack is slidably connected in the corresponding sliding groove of the force-adjusting movable frame, the driving rack is matched with the gear, the driving elliptical frame is fixedly connected on one side of the driving rack, the driven rack is connected in the corresponding sliding groove of the force-adjusting movable frame in a sliding manner, the driven rack is matched with the gear, the driven elliptical frame is fixedly connected on one side of the driven rack, the driving rod is connected in the two driving elliptical frames in a sliding manner, rods corresponding to the driving rod are connected in the two driven elliptical frames in a sliding manner, the movable frame is in a hollow manner, through grooves matched with other components are formed in the movable frame, the movable frame is rotatably connected on the stepped shaft with the toothed shaft and is connected in the through grooves of the force-adjusting rotating frame in a sliding manner, the arc-shaped tightening blocks are connected in the movable frame in a sliding manner, the arc-shaped tightening blocks are two, the arc-shaped tightening blocks are made of magnetic materials, one arc-shaped tightening block is fixedly connected in the middle of the driving rod, and the other arc-shaped tightening block is fixedly connected in the middle of the rod corresponding to the driving rod, one end of the arc-shaped jacking block is provided with a shape matched with teeth of a toothed shaft, the other end of the arc-shaped jacking block is gradually in an arc-shaped thinning characteristic, a handle of the jacking block is fixedly connected with two ends of the driving rod, two pairs of jacking movable blocks are arranged, each pair of jacking movable blocks are symmetrically and slidably connected in a through groove of the movable frame in an up-and-down mode, one end of each jacking movable block is in a groove shape matched with protruding particles of the force adjusting rotating frame, the other end of each jacking movable block is rotatably connected with the runner through a rotating shaft, the runner is slidably connected with the thinner end of the arc-shaped jacking block, the runner is made of a magnetic material, the runner is always adsorbed on the arc-shaped jacking block matched with the runner, the rope winding frame is fixedly connected with one end of the force adjusting rotating frame, the rope winding frame is provided with through holes, and the rope shaft guide columns are fixedly connected on one side of the rope, the rope shaft guide post is provided with a plurality of, sliding connection has on the rope shaft guide post the guide pillar spring, the rope winding shaft rotates to be connected in the rope winding frame through-hole the rope winding shaft one end have with rope shaft guide post sliding connection's guide hole, there is round tooth on the rope winding shaft, rope winding frame through-hole edge have with the epaxial tooth complex recess of rope winding, the haulage rope is around on the rope winding shaft, haulage rope other end fixed connection is in on the rope winding shaft, rope winding shaft one end fixed connection has the rope winding handle, the fixed pulley is in through pivot and support setting accent power mount one end one side, the counterweight is through winding rope fixed connection on the fixed pulley the other end of accent power rotating turret.

The invention has the beneficial effects that:

the utility model provides an orthopedics draw gear with contained angle is adjustable and self-locking function can dismantle the equipment, portable and washing, can also change fast and fix the position of pulling, can satisfy and can also carry out traction force change on a large scale when less counter weight thing, makes the carrying that reduces counter weight thing when going out to use.

The right-angle suspension beam of the bracket part is connected with the bed fixing frame through the movable connecting block and is fixed by the connecting block fastening nail and the suspension beam fastening nail, so that the device can be disassembled and assembled, the carrying cost can be reduced, the convenience of carrying the device out is improved, the height of the right-angle suspension beam is adjusted, and the device is suitable for different traction heights under different traction conditions.

According to the invention, the cross block of the traction position control part drives the rotating pulley on the pulley yoke to move along the through groove of the right-angle cantilever beam through the cylindrical support, the traction position angle is changed, when the cross block is pulled through the movable plate under the movable plate handle, the movable plate is separated from the protruding particles on two sides of the through groove of the right-angle cantilever beam, the movable plate handle is loosened when the cross block is moved to a required position, the groove on the lower side of the movable plate is matched and clamped with the protruding particles on two sides of the through groove of the right-angle cantilever beam, so that the rotating pulley is not moved, the rapid and convenient movement and the fixing of the position of the rotating pulley are realized, and the position.

The force-regulating rotating frame of the traction force regulating part adopts a lever principle, and the movable frame handle is driven by the force-regulating movable frame to change the position of the fulcrum of the toothed shaft, so that the distance from the connecting point of the counterweight member and the traction rope to the fulcrum of the toothed shaft is changed, the position of the fulcrum of the toothed shaft is changed, the distance from the counterweight member to the fulcrum of the toothed shaft can be simultaneously shortened or increased, the distance from the connecting point of the traction rope to the fulcrum of the toothed shaft is increased or shortened, the change of moment is doubled compared with the change of the movement distance of the fulcrum of the toothed shaft, the regulating range of the traction force is doubled, the traction force can be changed in a large range under the condition of limited counterweight member, and the carrying of the counterweight member can be reduced when the counterweight member goes out.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an orthopedic traction device with an adjustable included angle and a self-locking function according to an embodiment of the present invention;

FIG. 2 is a partial structural view of a bracket according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a right-angle cantilever beam according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a lifting ring according to an embodiment of the invention;

fig. 5 is a partial structural schematic view of the traction position control part according to the embodiment of the invention;

fig. 6 is a partial structural schematic view of the traction position control part according to the embodiment of the invention;

fig. 7 is an exploded view of the towing position control part according to the embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a traction force adjusting part according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a C-shaped frame according to an embodiment of the present invention;

FIG. 10 is a partial schematic structural view of a traction force adjusting part according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of the force-adjusting rotating frame and the force-adjusting fixing frame according to the embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a force-adjusting turret according to an embodiment of the invention;

FIG. 13 is a schematic view of a connection structure between the handle of the movable frame and the force-adjustable movable frame according to the embodiment of the present invention;

fig. 14 is an exploded view of the force-adjusting movable frame and the toothed shaft according to the embodiment of the present invention;

FIG. 15 is a partial schematic structural view of a traction force adjusting part according to an embodiment of the present invention;

FIG. 16 is a partial schematic structural view of a traction force adjusting part according to an embodiment of the present invention;

fig. 17 is an exploded view of the toothed shaft and the arc-shaped holding block according to the embodiment of the present invention;

fig. 18 is a schematic cross-sectional view illustrating a traction force adjusting part according to an embodiment of the present invention;

FIG. 19 is a front view of a portion of a draft force adjusting section according to an embodiment of the present invention;

fig. 20 is a schematic diagram of the explosion structure of the rope winding shaft and the rope winding frame according to the embodiment of the invention;

fig. 21 is a schematic diagram of an explosive structure of the rope winding shaft and the rope winding frame according to the embodiment of the invention;

fig. 22 is a schematic view of a connection structure of the weight member and the force-adjusting rotating frame according to the embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-bed mount, 101-mount pins, 102-preload block, 103-mobile link block, 1031-link block pins, 1032-cantilever beam pins, 104-right-angle cantilever beam, 105-lifting ring, 106-T block, 1061-cross block, 1062-cylindrical holder, 107-movable plate, 1071-flap guide post, 10711-flap spring, 1072-flap handle, 108-pulley frame, 1081-rotating pulley, 109-pulling rope, 1091-skin-friendly strap, 2-force-adjusting mount, 201-C frame, 2011-small pins, 202-force-adjusting rotating frame, 203-force-adjusting movable frame, 2031-movable frame handle, 2032-toothed shaft, 204-gear, 2041-active rack, 20411-active oval frame, 2042-driven rack, 20421-driven oval frame, 205-driving rod, 2051-arc-shaped jacking block, 2052-jacking block handle, 206-jacking movable block, 2061-rotating wheel, 207-movable frame, 208-rope winding frame, 2081-rope shaft guide column, 2082-guide column spring, 209-rope winding shaft, 2091-rope winding handle, 210-counterweight part and 211-fixed pulley.

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.

Example 1

As shown in fig. 1-3

The invention discloses a support part, which comprises a bed fixing frame (1), fixing frame fastening nails (101), pre-tightening blocks (102), a movable connecting block (103), connecting block fastening nails (1031), hanging beam fastening nails (1032) and a right-angle hanging beam (104), wherein the bed fixing frame (1) is in a C shape surrounding one side of a bed edge, the number of the fixing frame fastening nails (101) is at least three, the fixing frame fastening nails (101) are in threaded connection with the two shorter sides of the bed fixing frame (1), the tail end of the fixing frame fastening nail (101) is in threaded connection with the pre-tightening blocks (102), the movable connecting block (103) is in sliding connection with the bed fixing frame (1), the connecting block fastening nails (1031) are in threaded connection with the upper side of the movable connecting block (103), a section of a cross sliding chute is formed on the upper side of the right-angle hanging beam (104), and protruding particles are arranged on two sides of the cross sliding chute, the right-angle suspension beam (104) is connected in a hole in the movable connecting block (103) in a sliding mode, the suspension beam fastening nail (1032) is in threaded connection with the movable connecting block (103) close to one side of the right-angle suspension beam (104), the bending position of the right-angle suspension beam (104) can be changed in angle through rotation, and the traction position control portion is arranged on the right-angle suspension beam (104).

The bed position mount passes through the mount binding nail to be fixed in bed edge one side, and the pretension piece is terminal at the mount binding nail, prevents that the mount binding nail from destroying the sick bed main part, and the outward appearance of pretension piece rectangle can guarantee that the bed position mount can not rotate around the mount binding nail, causes the unstable condition of installation, and the right angle hanging beam can reciprocate in the removal connecting block is downthehole, fixes through hanging beam binding nail, and the removal connecting block is adjusted along the back-and-forth movement on the bed position mount, fixes through the connecting block binding nail.

Example 2

As shown in fig. 4-7

The traction position control part comprises a hanging ring (105), a T-shaped block (106), a cross block (1061), a cylindrical support (1062), a movable plate (107), a flap guide post (1071), a flap spring (10711), a flap handle (1072), a pulley frame (108), a rotating pulley (1081), a traction rope (109) and a skin-friendly binding band (1091), wherein the hanging ring (105) is fixedly connected to the lower side of the right-angle cantilever beam (104), the T-shaped block (106) is provided with a guide hole, the T-shaped block (106) is fixedly connected with the cross block (1061), the cross block (1061) is slidably connected into a cross sliding groove on the right-angle cantilever beam (104), the cylindrical support (1062) is fixedly connected to one side of the cross block (1061), one side of the movable plate (107) is provided with a groove matched with raised particles on the right-angle cantilever beam (104), and the movable plate (107) is slidably connected to the T-shaped block (106), the flap guide post (1071) is fixedly connected to the upper side of the movable plate (107), the flap spring (10711) is fixedly connected to the upper side of the flap guide post (1071), the flap guide post (1071) is fixedly connected to one side of the flap spring (10711), and is slidably connected to the inside of the guide hole of the T-shaped block (106), the flap handle (1072) is fixedly connected to the movable plate (107), the pulley frame (108) is rotatably connected to the cylindrical support (1062), the rotating pulley (1081) is rotatably connected to the pulley frame (108) through a rotating shaft, one end of the pulling rope (109) is wound on the rotating pulley (1081), the pulling rope (109) passes through the hanging ring (105), the skin-friendly bandage (1091) is soft in material, can be detached, cleaned and replaced, and the thickness of the skin-friendly bandage (1091) can be adjusted as the belt, one end of the traction rope (109) is divided into two parts which are respectively fixedly connected with two sides of the skin-friendly bandage (1091), and the other end of the traction rope (109) is arranged on the traction force adjusting part.

The cross piece is held in the palm through the cylinder and is taken the rotation pulley on the pulley yoke and remove along the logical groove of right angle cantilever beam, change towed position angle, and when fly leaf pulling cross piece under the fly leaf handle through the fly leaf, the fly leaf guide post on the fly leaf upwards compresses the fly leaf spring along T type piece guiding hole, make the fly leaf break away from the protruding granule of right angle cantilever beam logical groove both sides, loosen the fly leaf handle when removing required position, the fly leaf spring promotes the fly leaf downwards with the fly leaf guide post, the recess of fly leaf downside blocks with the protruding granule cooperation card of right angle cantilever beam logical groove both sides, make the rotation pulley not removing.

Example 3

As shown in fig. 8-22

Further, the traction force adjusting part comprises a force adjusting fixed frame (2), a C-shaped frame (201), a small fastening nail (2011), a force adjusting rotating frame (202), a force adjusting movable frame (203), a movable frame handle (2031), a toothed shaft (2032), a gear (204), an active rack (2041), an active oval frame (20411), a passive rack (2042), a passive oval frame (20421), an active rod (205), an arc-shaped tightening block (2051), a tightening block handle (2052), a tightening movable block (206), a rotating wheel (2061), a movable frame (207), a rope winding frame (208), a rope shaft guide column (2081), a guide column spring (2082), a rope winding shaft (209), a rope winding handle (2091) and a counterweight piece (210), the force adjusting fixed frame (2) is fixedly connected to the left side of the bed position fixed frame (1), a section of through groove is formed in the middle of the force adjusting fixed frame (2), and two C-shaped frames (201), c shape frame (201) sliding connection in the downthehole of accent power mount (2) both ends, little binding nail (2011) threaded connection C shape frame (201) both sides, accent power rotating turret (202) sliding connection in accent power mount (2) lead to the groove, it has logical groove to open in the middle of accent power rotating turret (202) lead to the groove both sides have protruding granule, it has recess and the through-hole that supplies other part activities to open on accent power movable frame (203), accent power movable frame (203) cover on accent power rotating turret (202), and accent power movable frame (203) with accent power rotating turret (202) sliding connection, accent power movable frame (203) sliding connection in the guide slot on accent power mount (2), movable frame handle (2031) fixed connection in accent power movable frame (203), the toothed shaft (2032) is fixedly connected to the force-adjusting movable frame (203), two columns of teeth are arranged in the middle of the toothed shaft (2032), the outer side of the toothed shaft (2032) is in a stepped shaft shape, two gears (204) are arranged, the gears (204) are rotatably connected to the force-adjusting movable frame (203) through rotating shafts, active racks (2041) are slidably connected to corresponding sliding grooves of the force-adjusting movable frame (203), the active racks (2041) are matched with the gears (204), active oval frames (20411) are fixedly connected to the left side of the active racks (2041), passive racks (2042) are slidably connected to corresponding sliding grooves of the force-adjusting movable frame (203), the passive racks (2042) are matched with the gears (204), the passive oval frames (20421) are fixedly connected to the right side of the passive racks (2042), and active rods (205) are slidably connected to two interior oval frames (20411), two the pole that has and drive pole (205) to correspond in driven elliptical frame (20421), remove frame (207) and be the cavity pattern, remove frame (207) and open and have logical groove with other part complex, it connects to remove frame (207) rotation take the step shaft of tooth axle (2032) on, remove frame (207) sliding connection in adjusting power swivel mount (202) logical inslot, ARC type puller block (2051) sliding connection in remove frame (207), ARC type puller block (2051) has two, ARC type puller block (2051) material is magnetic material, one ARC type puller block (2051) fixed connection in the middle of drive pole (205), another ARC type puller block (2051) fixed connection with in the middle of the pole that drive pole (205) correspond, ARC type puller block (2031) one end have with take tooth axle (2032) tooth complex appearance, the other end of the arc-shaped jacking block (2051) is gradually arc-shaped and thinned, a handle (2052) of the jacking block is fixedly connected with two ends of the driving rod (205), two pairs of jacking movable blocks (206) are arranged, each pair of jacking movable blocks (206) are symmetrically and vertically connected in a through groove of the movable frame (207), one end of each jacking movable block (206) is in a groove shape matched with the protruding particles of the force-adjusting rotating frame (202), the other end of each jacking movable block (206) is rotationally connected with the rotating wheel (2061) through a rotating shaft, the rotating wheel (2061) is slidably connected with the thinner end of the arc-shaped jacking block (2051), the rotating wheel (2061) is made of a magnetic material, so that the rotating wheel (2061) is always adsorbed on the arc-shaped jacking block (2051) matched with the rotating wheel, and the rope winding frame (208) is fixedly connected with one end of the force-adjusting rotating frame (202), the rope winding frame (208) is provided with a through hole, the rope shaft guide column (2081) is fixedly connected to one side of the rope winding frame (208), the rope shaft guide column (2081) is provided with a plurality of guide holes, the guide post spring (2082) is connected to the rope shaft guide column (2081) in a sliding manner, the rope winding shaft (209) is rotatably connected to the through hole of the rope winding frame (208), one end of the rope winding shaft (209) is provided with a guide hole which is connected with the rope shaft guide column (2081) in a sliding manner, the rope winding shaft (209) is provided with a circle of teeth, the edge of the through hole of the rope winding frame (208) is provided with a groove which is matched with the teeth on the rope winding shaft (209), the traction rope (109) is wound on the rope winding shaft (209), the other end of the traction rope (109) is fixedly connected to the rope winding shaft (209), one end of the rope winding shaft (209) is fixedly connected with the rope winding handle (2091), and the fixed pulley (211) is arranged on the left upper end of the force adjusting fixing frame (2) through a rotating shaft and a, the counterweight (210) is fixedly connected to the upper side of the other end of the force-adjusting rotating frame (202) through a rope wound on a fixed pulley (211).

The force-regulating fixed frame is fixed at the edge of the bed through a small fastening nail on the C-shaped frame, the force-regulating rotating frame adopts a lever principle, the fulcrum is a toothed shaft, two ends of the force-regulating fixed frame are respectively a counterweight part connecting point and a traction rope connecting point, the position of the fulcrum with the toothed shaft is changed by driving the force-regulating movable frame through a movable frame handle, so that the distance from the counterweight part connecting point and the traction rope connecting point to the fulcrum with the toothed shaft is changed, the position of the fulcrum with the toothed shaft is changed, the distance from the counterweight part connecting point to the fulcrum with the toothed shaft can be simultaneously shortened or increased, the distance from the traction rope connecting point to the fulcrum with the toothed shaft is increased or shortened, the change of moment is changed by twice the moving distance of the fulcrum with the toothed shaft, the pushing block handle is controlled to drive the arc-shaped pushing block to move leftwards through a driving rod, the driving rod drives a driving rack to rotate a gear through a driving elliptical frame, and drives the, the driven elliptical frame controls a rod corresponding to the driving rod to enable the other arc-shaped jacking block to move rightwards, the arc-shaped jacking block is enabled to be separated from the toothed shaft through the jacking block handle, the force adjusting rotating frame can rotate around the toothed shaft, the jacking movable block with the rotating wheel is linked with the arc-shaped surface of the arc-shaped jacking block and moves upwards along the through groove of the movable frame to clamp the protruding particles of the force adjusting rotating frame, the movable frame is clamped in the middle of the force adjusting rotating frame, the force adjusting rotating frame is prevented from moving relative to the toothed shaft while rotating around the toothed shaft, when the force adjusting rotating frame can rotate, the weight of the counterweight piece can enable the other end of the traction rope to generate pulling force through the force adjusting rotating frame and the toothed shaft, when the movable plate handle changes the position of the rotating pulley, the length of the traction rope can be too short, and the legs of a patient can possibly shrink downwards, at the moment, the rope winding handle can be pulled, and the teeth on the rope winding shaft are enabled to be separated, the guide hole on one side of the rope winding shaft compresses the guide post spring along the rope shaft guide post on the rope winding frame, the rope winding shaft can rotate, the rope winding shaft is rotated by using the rope winding handle, redundant traction ropes are wound on the rope winding shaft or part of the traction ropes are released to meet requirements, then the rope winding shaft is pushed back to the original position, teeth on the rope winding shaft are clamped at the groove of the rope winding frame, the guide post spring can ensure that the teeth on the rope winding shaft are clamped at the groove of the rope winding frame when medical personnel do not use the rope winding shaft, so that the length of the traction ropes is fixed, when the other end force of the traction ropes is not used or adjusted, the arc-shaped jacking block is returned along the hole groove on the force adjusting movable frame by using the jacking block handle, the arc-shaped jacking block is clamped with the tooth shaft in a matching way, so that the force adjusting rotating frame is fixed, the traction rope force is lost, the jacking movable block is downward along the arc-shaped surface of the arc-shaped jacking block due to the magnetic force of the rotating wheel, and is separated, so that this fulcrum of the toothed shaft can be moved.

In conclusion, the orthopedic traction device with the adjustable included angle and the self-locking function can be disassembled and assembled, is convenient to carry and clean, can quickly change and fix the traction position, and can meet the requirement of large-scale traction force change when the number of counter weights is small, so that the carrying of the counter weights is reduced when the orthopedic traction device is used outdoors.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.