Fixator for limb trauma

Abstract

The utility model discloses a fixing device for limb trauma, which relates to the technical field of medical instruments and comprises an adjusting mechanism, a two-way screw is rotatably mounted between the inner side surfaces of a U-shaped seat, a rectangular groove is formed in the two-way screw, and a rectangular block is slidably arranged in the rectangular groove; an extension rod extending to the outside of the U-shaped seat is installed in the center of the side face of the rectangular block, a rotary knob is installed at the end of the extension rod, a plurality of annularly-distributed positioning holes are formed in the side face of the rotary knob, and a positioning rod is installed in one positioning hole; according to the adjusting mechanism of the device, positioning rods are inserted into aligned positioning holes to fix a rotary knob and a two-way screw rod, the situation that the two-way screw rod rotates due to the fact that the pressure of a limb extruding a fixing piece is too large is avoided, the stability of limb fixing is enhanced, and when the device does not need heat dissipation, four bolts are screwed out, and the heat dissipation efficiency is improved. The mouth-shaped frame and the metal cooling plate can be taken down from the adjusting mechanism, the overall weight of the device is reduced, and the use experience of a patient is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment field especially, and it is a kind of fixer for limb trauma. BACKGROUND

[0002] Some patients with leg fracture trauma need to fix the leg of fracture side with plaster, the purpose is to play the role of fixed limit to fracture side limb, prevent fracture force displacement, accelerate recovery, but the traditional plaster fixing method has defects, and then needs to be applied to the fixer for limb trauma.

[0003] Prior art discloses a kind of limb trauma fixer (publication announcement number:CN222032768U), including the bottom shell of rectangle, bottom shell upper end front and back sides are respectively equipped with fixed block, the opposite surface of two fixed blocks is arc surface and can be opposite or back sliding, arc-shaped cooling groove is set in fixed block, water pump is arranged in bottom shell, water pump left and right ends are respectively equipped with left and right axial delivery pipe, the opposite end of two delivery pipes is respectively equipped with connecting pipe, the opposite end of two connecting pipes of same side is respectively equipped with hose inserted into the cooling groove of its corresponding side, cooling plate is arranged on delivery pipe;This structure is simple, novel in design, convenient to use, and practical.

[0004] However, for the above-mentioned patent and existing market limb fixer, there are still some deficiencies: the fixed block of this fixer is only installed on the sliding block, and the sliding block is arranged on the bidirectional screw rod. When the limb extrudes the fixed block, if the extrusion pressure of the fixed block is too large, the bidirectional screw rod may rotate through the sliding block, thereby increasing the distance between the two fixed blocks, and losing the effect of fixing the limb. Therefore, a fixer for limb trauma is proposed by the skilled in the art. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a fixer for limb trauma, which solves the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a fixer for limb trauma, comprising an adjusting mechanism, the adjusting mechanism comprises a U-shaped seat, a bidirectional screw rod is rotatably installed between the inner side surfaces of the U-shaped seat, a rectangular groove is formed in the interior of the bidirectional screw rod, a rectangular block is slidably arranged in the rectangular groove, an extension rod extending to the outside of the U-shaped seat is installed at the center of the side surface of the rectangular block, a knob is installed at the end of the extension rod, a plurality of positioning holes arranged in a ring shape are formed in the side surface of the knob, and a positioning rod connected with the U-shaped seat is installed in one of the positioning holes.

[0007] As a further technical scheme of the utility model, two threads of the bidirectional screw are provided with thread seats, the side surface of each thread seat is provided with a thread hole matched with the thread, and the rotation directions of the two thread holes are opposite.

[0008] As a further technical scheme of the utility model, the upper surface of the U-shaped seat is provided with an adjusting groove above the bidirectional screw, and the inner wall of the adjusting groove is slidably connected with the two thread seats.

[0009] As a further technical scheme of the utility model, the upper surface of each thread seat is provided with a fixing plate with a cavity, and each cavity is provided with a micro water pump.

[0010] As a further technical scheme of the utility model, the output end of each micro water pump is provided with a cooling pipe, the end of the cooling pipe penetrates through the thread hole on the same side and extends to the cavity through the other thread hole, and a plurality of graphene blocks are evenly arranged on the cooling pipe.

[0011] As a further technical scheme of the utility model, the inner side of the U-shaped seat is provided with a mouth-shaped frame, the inner side surface of the mouth-shaped frame is provided with a cooling plate below each graphene block, and the two sides of the mouth-shaped frame are provided with grooves matched with the bidirectional screw.

[0012] As a further technical scheme of the utility model, the side surface of the mouth-shaped frame is provided with four through holes, the side surface of the U-shaped seat is provided with a thread hole on one side of each through hole, and a bolt is arranged between each thread hole and the through hole matched with the thread hole.

[0013] The utility model provides a fixer for limb trauma, which has the following advantages compared with the prior art:

[0014] 1、The fixer for limb trauma is fixed by the adjusting mechanism of the device, the positioning rod is inserted into the aligned positioning hole, the knob and the bidirectional screw are fixed, the self-rotation of the bidirectional screw caused by excessive pressure of the limb pressing the fixing plate is avoided, and the stability of the limb fixation is enhanced.

[0015] 2、The fixer for limb trauma is not required to be cooled, the four bolts are screwed out, the mouth-shaped frame and the metal cooling plate are taken off from the adjusting mechanism, the overall weight of the device is reduced, and the use experience of the patient is improved. DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the fixer for limb trauma.

[0017] Fig. 2 is a side view of a fixator for limb trauma;

[0018] Fig. 3 is a schematic view of an adjusting mechanism structure of a fixator for limb trauma;

[0019] Fig. 4 is a schematic view of a heat dissipation assembly structure of a fixator for limb trauma;

[0020] Fig. 5 is a transverse sectional view of a fixator for limb trauma;

[0021] Fig. 6 is a longitudinal sectional view of a fixator for limb trauma.

[0022] In the figure: 1, adjusting mechanism; 101, U-shaped seat; 102, bidirectional screw rod; 103, rectangular groove; 104, rectangular block; 105, extension rod; 106, knob; 107, positioning hole; 108, positioning rod; 109, threaded seat; 2, adjusting groove; 3, fixing piece; 4, micro water pump; 5, cooling pipe; 6, graphene block; 7, mouth-shaped frame; 8, groove; 9, cooling plate; 10, threaded hole; 11, through hole; 12, bolt; 13, strip-shaped groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figs. 1-3 and Fig. 5The utility model provides a kind of fixer for limb trauma technical scheme shown: including adjusting mechanism 1, adjusting mechanism 1 includes U-shaped seat 101, two-way screw rod 102 is rotatably installed between the inner side surface of U-shaped seat 101, rectangular groove 103 is opened in the inside of two-way screw rod 102, rectangular block 104 is slidably arranged in rectangular groove 103, the side surface center of rectangular block 104 is installed with the extension rod 105 extending to the outside of U-shaped seat 101, the end of extension rod 105 is installed with knob 106, a plurality of annularly distributed positioning holes 107 are formed in the side surface of knob 106, one of positioning holes 107 is installed with the positioning rod 108 connected with U-shaped seat 101, threaded seat 109 is arranged on the two threads of two-way screw rod 102, the side surface of each threaded seat 109 is formed with the threaded hole of screw thread adaptation, the screw thread rotation direction of two threaded seats 109 is opposite, adjusting groove 2 is formed in the upper surface of U-shaped seat 101 directly above two-way screw rod 102, two threaded seats 109 and adjusting groove 2 inner wall are slidably connected, the upper surface of each threaded seat 109 is installed with fixed sheet 3, inside cavity is equipped, when using, outer pull knob 106 lets positioning rod 108 move out of positioning hole 107, then rotates knob 106 to drive two-way screw rod 102 to rotate by rectangular block 104 and rectangular groove 103 cooperation, drives two threaded seats 109 to be close to each other, drives two fixed sheets 3 to be close to each other.

[0025] As shown in Fig. 6 Each cavity is provided with micro water pump 4, two strip grooves 13 are formed on the upper surface of U-shaped seat 101, the output end of each micro water pump 4 is installed with cooling pipe 5, the end of cooling pipe 5 penetrates strip groove 13, then passes through the same side threaded seat 109 and extends to the cavity through another strip groove 13, a plurality of evenly distributed graphene blocks 6 are installed on each cooling pipe 5, the inner side of U-shaped seat 101 is provided with mouth-shaped frame 7, the inner side surface between mouth-shaped frame 7 is installed with cooling plate 9 in contact with each graphene block 6 below, recess 8 is formed in the two sides of mouth-shaped frame 7, the screw thread adaptation of two-way screw rod 102, when using, the cooling liquid in the cavity of fixed sheet 3 can absorb the heat emitted by fixed limb, and the micro water pump 4 is operated to suck the heat-absorbed cooling liquid into the cooling pipe 5, the cooling liquid flowing through the cooling pipe 5 will absorb the heat through the graphene block 6 and transport it to the cooling plate 9, and then the cooling plate 9 will dissipate in the air, and then the cooling liquid temperature will decrease and return to the cavity.

[0026] As shown in Figs. 1-3 Four through holes 11 are formed in the side of mouth-shaped frame 7, threaded hole 10 is formed in the side of U-shaped seat 101 on one side of each through hole 11, bolt 12 is arranged between each threaded hole 10 and aligned through hole 11, four bolts 12 are unscrewed, and mouth-shaped frame 7 can be removed together with cooling plate 9 from adjusting mechanism 1, to reduce the overall weight of the device.

[0027] The working principle of the utility model is: the patient's fractured limbs are placed between the two fixing pieces 3, the outer pull knob 106 makes the positioning rod 108 move out of the positioning hole 107, then the knob 106 is rotated to drive the bidirectional screw rod 102 to rotate through the cooperation of the rectangular block 104 and the rectangular groove 103, drive the two threaded seats 109 to approach each other, drive the two fixing pieces 3 to approach each other and extrude the limbs, until the fractured limbs are fixed, then the knob 106 is finely adjusted to make the positioning rod 108 align with the nearest positioning hole 107, the inner press knob 106 makes the positioning rod 108 reinsert into the aligned positioning hole 107.

[0028] The cooling liquid in the cavity of the fixing piece 3 can absorb the heat emitted by the fixed limbs, the micro water pump 4 running can pump the heat-absorbed cooling liquid to flow through the cooling pipe 5, the cooling liquid flowing through the cooling pipe 5 can deliver the absorbed heat to the cooling plate 9 through the graphene block 6, and the heat is dissipated in the air through the cooling plate 9, then the cooling liquid temperature is reduced and returns to the cavity, and the above operation is repeated to realize the continuous heat dissipation of the patient's limbs.

[0029] When the heat dissipation is not needed, the four bolts 12 are unscrewed, the mouth-shaped frame 7 together with the cooling plate 9 can be taken off from the adjusting mechanism 1, the overall weight of the device is reduced, and the patient's use experience is improved, and when the heat dissipation is needed, the mouth-shaped frame 7 together with the cooling plate 9 can be fixed on the adjusting mechanism 1.

[0030] The above is only the preferred embodiment of the utility model, it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model, such as no special description and limitation, are implemented according to the conventional means in the field.

Claims

1. A fixation device for limb injuries, characterized in that, The device includes an adjustment mechanism (1), which includes a U-shaped seat (101). A bidirectional screw (102) is rotatably mounted between the inner surfaces of the U-shaped seat (101). A rectangular groove (103) is provided inside the bidirectional screw (102). A rectangular block (104) is slidably disposed in the rectangular groove (103). An extension rod (105) extending to the outside of the U-shaped seat (101) is installed at the center of the side of the rectangular block (104). A knob (106) is installed at the end of the extension rod (105). A plurality of positioning holes (107) arranged in a ring are provided on the side of the knob (106). A positioning rod (108) connected to the U-shaped seat (101) is installed in one of the positioning holes (107).

2. The immobilizer for limb trauma according to claim 1, characterized in that, The two threads of the bidirectional screw (102) are each provided with a thread seat (109), and each thread seat (109) has a thread hole on its side that matches the thread. The two threads have opposite directions of rotation.

3. A fixation device for limb trauma according to claim 2, characterized in that, The upper surface of the U-shaped seat (101) is provided with an adjustment groove (2) directly above the bidirectional screw (102), and the two threaded seats (109) are slidably connected to the inner wall of the adjustment groove (2).

4. A fixation device for limb trauma according to claim 3, characterized in that, Each of the threaded seats (109) has a fixed plate (3) with an internal cavity installed on its upper surface. Each cavity is equipped with a micro water pump (4). The upper surface of the U-shaped seat (101) has two corresponding strip grooves (13).

5. A fixation device for limb trauma according to claim 4, characterized in that, Each of the micro water pumps (4) is equipped with a cooling pipe (5) at its output end. The end of the cooling pipe (5) passes through a strip groove (13), then through a threaded seat (109) on the same side, and then through another strip groove (13) to extend into the cavity. Each of the cooling pipes (5) is equipped with several uniformly distributed graphene blocks (6).

6. A fixation device for limb trauma according to claim 5, characterized in that, The inner side of the U-shaped seat (101) is provided with a mouth-shaped frame (7), and a cooling plate (9) is installed between the inner sides of the mouth-shaped frame (7) below each graphene block (6) in contact with it. The two sides of the mouth-shaped frame (7) are provided with grooves (8) that are adapted to the bidirectional screw (102).

7. A fixation device for limb trauma according to claim 6, characterized in that, The side of the orifice frame (7) is rectangular and has four through holes (11). The side of the scallop seat (101) has a threaded hole (10) on one side of each through hole (11). A bolt (12) is provided between each threaded hole (10) and the through hole (11) aligned with it.

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