CN211300269U - Traction bow for treating fracture patient - Google Patents

Abstract

The utility model discloses a traction bow for treating fracture patients, which comprises two clamping arms, an adjusting screw rod, a pull rod and a locking component, wherein the two clamping arms and the two locking components are distributed on two sides of the pull rod, the inner wall of the top of each clamping arm is provided with a threaded hole, the outer sides of two ends of the adjusting screw rod are engraved with threads in opposite directions, and two ends of the adjusting screw rod are respectively in threaded connection with the two clamping arms, the locking component is sleeved outside the clamping arms and fixed with the clamping arms, the bottom of each clamping arm is provided with a bone pin hole, and the inner sides of the two clamping arms are provided with a sliding support device, the utility model can synchronously adjust the width of the clamping arms on two sides by adjusting the threads in opposite directions on two sides of the adjusting screw rod, the setting of the sliding support device can not only support the two supporting arms, but also can express the width value of the adjusting adjustment, the locking assembly is suitable for locking and fixing various spicules.

Description

Traction bow for treating fracture patient

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a traction bow for treating a fracture patient.

Background

After a person is injured and fractured, fracture dislocation often occurs, the fractured part after reduction is kept fixed and prevented from being dislocated by traction during nursing, and a traction bow is a medical instrument commonly used in orthopedic traction treatment and is mainly applied to traction of bones of four limbs, such as traction of the lower end of a femur, a tibial tubercle, a calcaneus, an olecroanon and other parts.

The traction bow that commonly uses includes the U type bow frame of an integral structure, the pull rod, the dwang with pull the spicule fixer, through rotating the pull rod, it rotates to drive the dwang, adjust the width of U type bow frame then, such traction bow can lead to the screw thread to take place smooth silk phenomenon to the pull rod outside because external force when pull rod position is pull, repetitious usage can lead to the unable adjustment of pull rod degree U type bow frame both sides width, then can't fix the traction to the patient, and U type bow frame adjustment width only adjusts both ends, can not the width of synchronous adjustment from top to bottom, and the width numerical value of adjustment can't learn, it has certain trouble to pull fixed the existence to different patients or different positions, finally influence its treatment, for this reason, we propose a fracture patient treatment with traction bow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fracture patient treatment is with traction bow to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fracture patient treatment is with drawing bow, includes centre gripping arm, accommodate the lead screw, pull rod and locking Assembly, centre gripping arm and locking Assembly all are equipped with two, and two centre gripping arms and two locking Assembly all distribute in the pull rod both sides, threaded hole is opened to centre gripping arm top inner wall, the screw thread of opposite direction is carved with in accommodate the lead screw's both ends outside, and accommodate the lead screw's both ends respectively with two centre gripping arm threaded connection, the pull rod cover is in accommodate the lead screw's the outside, locking Assembly overlaps in the centre gripping arm outside to it is fixed with the centre gripping arm, open centre gripping arm bottom has the bone pinhole, and the sliding support device is installed to the inboard of two centre gripping arms.

Preferably, the sliding support device comprises two double cylinders, two supporting springs and two sleeves, the two double cylinders and the two supporting springs are located on two sides of the double sleeves, one side of each double cylinder is fixed with one side of each clamping arm, the supporting springs are sleeved on the inner cylinders of the double cylinders, two ends of each supporting spring are fixed to the bottoms of the double cylinders and one side of each double sleeve respectively, the double cylinders are connected with the inner walls of the double sleeves in a sliding mode, and the tops of the double sleeves are fixed to the bottoms of the pull rods.

Preferably, the locking assembly comprises a fixed plate, a sliding plate, a compression spring and a threaded sleeve, the fixed plate and the sliding plate are both sleeved outside the clamping arm, the fixed plate and the sliding plate are respectively fixedly connected and slidably connected with the clamping arm, the sliding plate is located at the bottom of the fixed plate, two ends of the compression spring are respectively fixed with the bottom of the fixed plate and the top of the sliding plate, the threaded sleeve is sleeved outside the bottom of the clamping arm, threads are respectively engraved on the inner wall of the threaded sleeve and the outer side of the bottom of the clamping arm, and the threaded sleeve is in threaded connection with the bottom of the clamping arm.

Preferably, one end of the adjusting screw rod is fixedly provided with a rotating sheet, and the other end of the adjusting screw rod is fixedly provided with a limiting block.

Preferably, the outer wall of the double tube is engraved with a scale value.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a width adjustment in step can be carried out to the centre gripping arm of both sides to the screw thread of accommodate the lead screw opposite direction in both sides, and slip strutting arrangement's setting both can carry out the supporting role to the both sides support arm, can show again to the width numerical value that the accommodate the lead screw was adjusted, and locking Assembly's setting is applicable to lock fixedly in multiple spicule.

2. The utility model discloses the setting of pressure spring and sliding plate prevents that thread bush and centre gripping arm length time are fixed to lead to the thread bush not hard up with the centre gripping arm, locks fixedly then to the spicule.

Drawings

FIG. 1 is a schematic view of the whole structure of the present invention in a partially cut-away view;

FIG. 2 is a schematic side view of the clamping arm of the overall structure of the present invention;

fig. 3 is an enlarged view of the area a in fig. 1.

In the figure: 1-a clamping arm; 2-adjusting the screw rod; 3-a pull rod; 4-a locking assembly; 5-a threaded hole; 6-bone needle hole; 7-a sliding support device; 8-double cylinders; 9-a support spring; 10-double sleeve; 11-a fixed plate; 12-a slide plate; 13-a hold down spring; 14-a threaded sleeve; 15-rotating the sheet; 16-a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a traction bow for treating a fracture patient comprises two clamping arms 1, two adjusting screw rods 2, a pull rod 3 and two locking assemblies 4, wherein the two clamping arms 1 and the two locking assemblies 4 are respectively distributed on two sides of the pull rod 3, the inner wall of the top of each clamping arm 1 is provided with a threaded hole 5, the outer sides of two ends of each adjusting screw rod 2 are provided with threads in opposite directions, two ends of each adjusting screw rod 2 are respectively in threaded connection with the two clamping arms 1, the pull rod 3 is sleeved on the outer side of each adjusting screw rod 2, the locking assemblies 4 are sleeved on the outer sides of the clamping arms 1 and are fixed with the clamping arms 1, the bottoms of the clamping arms 1 are provided with bone needle holes 6, sliding support devices 7 are mounted on the inner sides of the two clamping arms 1, the clamping arms 1 on two sides can be synchronously adjusted in width through the threads in opposite directions on two sides of each adjusting screw rod 2, and the sliding support devices 7 are arranged, both can carry out supporting role to both sides centre gripping arm 1, can show the width numerical value that adjusting screw 2 was adjusted again, and locking Assembly 4's setting is applicable to locking fixedly in multiple spicule.

The sliding support device 7 comprises two double cylinders 8, two supporting springs 9 and two sleeves 10, the double cylinders 8 and the two supporting springs 9 are located on two sides of the double sleeves 10, one side of each double cylinder 8 is fixed to one side of the clamping arm 1, the supporting springs 9 are sleeved on the inner cylinders of the double cylinders 8, two ends of each supporting spring 9 are fixed to the bottom of each double cylinder 8 and one side of each double sleeve 10 respectively, the double cylinders 8 are connected with the inner walls of the double sleeves 10 in a sliding mode, and the tops of the double sleeves 10 are fixed to the bottom of the pull rod 3.

The specific implementation mode is as follows: the width of the adjusting screw rod 2 is adjusted to drive the double cylinders 8 fixed on the two sides of the clamping arm 1 to move, the double cylinders 8 on the two sides are in sliding connection with the double sleeves 10 due to the arrangement of the supporting springs 9, and the sliding supporting device 7 can prevent the clamping arms 1 on the two sides from moving when the pull rod 3 is pulled, plays a supporting role, and can also show the numerical value of the width of the two sides of the clamping arm 1 through scale values.

The locking assembly 4 comprises a fixed plate 11, a sliding plate 12, a compression spring 13 and a threaded sleeve 14, wherein the fixed plate 11 and the sliding plate 12 are both sleeved outside the clamping arm 1, and the fixed plate 11 and the sliding plate 12 are respectively fixedly connected and slidably connected with the clamping arm 1, the sliding plate 12 is positioned at the bottom of the fixed plate 11, two ends of the compression spring 13 are respectively fixed with the bottom of the fixed plate 11 and the top of the sliding plate 12, the threaded sleeve 14 is sleeved outside the bottom of the clamping arm 1, and the inner wall of the threaded sleeve 14 and the outer side of the bottom of the clamping arm 1 are both provided with threads, the threaded sleeve 14 is in threaded connection with the bottom of the clamping arm 1, a proper bone needle is selected and penetrates out of the bone needle hole 6, the threaded sleeve 14 is rotated to be locked and fixed with the clamping arm 1, the compression spring 13 and the sliding plate 12 are arranged, the threaded sleeve 14 is compressed, and the threaded sleeve 14 and the clamping arm 1 are prevented from loosening.

One end fixed mounting of accommodate the lead screw 2 has rotor 15, and the other end fixed mounting of accommodate the lead screw 2 has stopper 16, and it is simple more effective that the setting of rotor 15 can be adjusted accommodate the lead screw 2, and the setting of stopper 16 prevents that accommodate the lead screw 2 from breaking away from with centre gripping arm 1.

The outer walls of the double barrels 8 are carved with scale values, and the numerical values of the widths of the two sides can be simply expressed by calculating the sliding numerical values of the two double barrels 8 and the double sleeve 10 and the fixed length of the double sleeve 10.

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 (5)

1. The utility model provides a fracture patient treatment is with traction bow, includes centre gripping arm (1), accommodate the lead screw (2), pull rod (3) and locking Assembly (4), its characterized in that: centre gripping arm (1) and locking Assembly (4) all are equipped with two, and two centre gripping arms (1) and two locking Assembly (4) all distribute in pull rod (3) both sides, threaded hole (5) are opened to centre gripping arm (1) top inner wall, the screw thread of opposite direction is carved with in the both ends outside of accommodate the lead screw (2), and the both ends of accommodate the lead screw (2) respectively with two centre gripping arms (1) threaded connection, pull rod (3) cover is in the outside of accommodate the lead screw (2), locking Assembly (4) cover is in the centre gripping arm (1) outside to it is fixed with centre gripping arm (1), open centre gripping arm (1) bottom has bone pinhole (6), and the inboard of two centre gripping arms (1) installs sliding support device (7).

2. The traction arch for treating a patient with bone fracture according to claim 1, wherein: the sliding support device (7) comprises two double cylinders (8), two support springs (9) and two sleeves (10), the double cylinders (8) and the two support springs (9) are located on two sides of the double sleeves (10), one side of each double cylinder (8) is fixed to one side of the clamping arm (1), the support springs (9) are sleeved on the inner cylinders of the double cylinders (8), two ends of each support spring (9) are fixed to the bottoms of the double cylinders (8) and one side of each double sleeve (10) respectively, the double cylinders (8) are connected with the inner walls of the double sleeves (10) in a sliding mode, and the tops of the double sleeves (10) are fixed to the bottom of the pull rod (3).

3. The traction arch for treating a patient with bone fracture according to claim 1, wherein: the locking assembly (4) comprises a fixed plate (11), a sliding plate (12), a compression spring (13) and a threaded sleeve (14), the fixed plate (11) and the sliding plate (12) are sleeved on the outer side of the clamping arm (1), the fixed plate (11) and the sliding plate (12) are fixedly connected with and slidably connected with the clamping arm (1) respectively, the sliding plate (12) is located at the bottom of the fixed plate (11), two ends of the compression spring (13) are fixed with the bottom of the fixed plate (11) and the top of the sliding plate (12) respectively, the threaded sleeve (14) is sleeved on the outer side of the bottom of the clamping arm (1), threads are carved on the inner wall of the threaded sleeve (14) and the outer side of the bottom of the clamping arm (1), and the threaded sleeve (14) is in threaded connection with the bottom of the clamping arm (1).

4. The traction arch for treating a patient with bone fracture according to claim 1, wherein: one end of the adjusting screw rod (2) is fixedly provided with a rotating sheet (15), and the other end of the adjusting screw rod (2) is fixedly provided with a limiting block (16).

5. A traction arch for the treatment of patients with bone fractures as claimed in claim 2, wherein: the outer wall of the double cylinders (8) is carved with scale values.

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