Distraction device for orthopedics department and orthopedic surgery assembly

Abstract

The utility model relates to the technical field of medical instruments, in particular to an orthopaedic dilator and an orthopaedic surgery component, and adopts the technical scheme that the orthopaedic dilator comprises a fixing plate, screw sleeves, screw rods and a fixing block, a second bearing is embedded in the fixing block, the two screw rods are fixedly mounted on an inner ring of the second bearing, the two screw sleeves are in meshed connection with the two screw rods, and the two screw sleeves are fixedly connected with the fixing block. The two fixing plates are provided with first bearings in an embedded mode, inner rings of the two first bearings are fixedly connected with the outer sides of the two threaded sleeves, supports are installed at the bottoms of the two fixing plates, movable plates are installed at the bottoms of the two supports, and movable rods are installed on the two sides, above the two second bearings, of the fixing block; movable holes are formed in the two fixing plates, and the two movable rods penetrate through the two movable holes. The utility model has the advantage that medical staff can rotate to open body tissues or organs of a patient towards one side or towards two sides simultaneously according to actual conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a kind of orthopedics with distraction device and orthopedic surgery assembly. BACKGROUND

[0002] Orthopedics is a branch of medicine, focusing on the diagnosis, prevention and treatment of diseases or injuries of bones, joints, muscles, ligaments and other structures related to body movement, orthopedic surgeons usually deal with fractures, dislocations, arthritis, spinal problems and other related health problems, this field also includes surgical and non-surgical treatment methods, aiming to help restore the activity function of patients and relieve pain, the distraction device used in orthopedics is a medical tool used to open the body tissue or organ during surgery to provide a better view and operating space, this device is usually composed of adjustable supports and clamps, which can stably support the tissue and keep it open, helping doctors complete the surgical process, orthopedic distraction devices are used in various surgical scenarios, such as joint replacement surgery, fracture repair, etc.

[0003] Publication No.: CN211934154U, a kind of orthopedics with distraction device and orthopedic surgery assembly, belongs to medical field, including holding plate, the surface of holding plate is fixedly installed with first support plate, the surface of holding plate is provided with sliding slot, the inner wall of sliding slot is provided with through hole, the inner wall of through hole is fixedly installed with bearing, the inside of bearing is fixedly installed with threaded rod, the inner wall of sliding slot is slidably installed with second support plate, the surface of second support plate, first support plate is provided with avoiding hole, it improves the comfort of medical staff holding through the symmetrical arrangement of silica gel pad on the surface of holding plate, through the rotation of threaded rod, under the relationship of threaded connection, the second support plate moves along the inner wall of sliding slot, so as to adjust the distance between first support plate and second support plate, through the setting of rubber block, spring and other structures, prevent first support plate and second support plate from rigid contact with opening, avoid the injury of opening tissue caused by excessive distraction force.

[0004] In summary, the existing technology CN211934154U opens the patient's body opening by first support plate and second support plate, when opening, the position of first support plate remains unchanged, the patient's body opening is opened by moving second support plate, which cannot open the patient's body opening to both sides at the same time according to the actual situation, affecting the operation of medical staff. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of orthopedics with distraction device and orthopedic surgery assembly, with the advantage of being able to open the patient's body tissue or organ to one side or both sides at the same time according to the actual situation, solving the problem of not being able to open the patient's body opening to one side or both sides at the same time according to the actual situation.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of bone surgery set, including fixed plate, screw sleeve, screw rod and fixed block, the fixed block is embedded with bearing two, two screw rods are fixedly installed in the inner ring of bearing two, two screw sleeves are engaged with two screw rods, two fixed plates are all embedded with bearing one, two bearing one inner rings are fixedly connected with two screw sleeve outer sides, two fixed plate bottoms are all installed with support, two supports bottoms are all installed with movable plate.

[0007] Preferably, the two screw rods are installed with hand wheels at the ends away from each other.

[0008] Preferably, the threads on the outer sides of the two screw rods are distributed in opposite directions.

[0009] Preferably, the two screw sleeves on the sides away from each other of the two fixed plates are both installed with gear rings on the outer sides.

[0010] Preferably, the fixed block is installed with a handle on the top.

[0011] Preferably, the fixed block above the two bearings two is installed with movable rods on both sides, and the two fixed plates are both provided with movable holes, and the two movable rods pass through the two movable holes.

[0012] Preferably, the two movable plates are both installed with medical rubber pads on the sides away from each other.

[0013] A kind of bone surgery set, including the bone surgery set of any one of claims 1-7.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a gear ring, a screw sleeve and a hand wheel are arranged, the gear ring on one side of the fixed block is rotated to rotate the screw sleeve, the screw sleeve is rotated and moved on the current screw rod, the screw sleeve currently rotated drives the movable plate below to move through the fixed plate and the support, the other movable plate remains stationary, the movable plate that moves props open the patient's body tissue or organ, the screw rod on one side of the fixed block is rotated using the hand wheel, the two screw rods are fixedly connected through the bearing two, the two screw rods are rotated synchronously, the two screw sleeves are moved on the two rotating screw rods, the two screw sleeves drive the two movable plates to move in opposite directions through the two fixed plates and the two supports, the two movable plates prop open the patient's body tissue or organ, which achieves the effect that the medical staff can rotate to prop open the patient's body tissue or organ to one side or prop open to both sides according to actual conditions. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the first angle three-dimensional structure schematic view of the utility model;

[0017] Figure 2The second angle three-dimensional structure schematic view of the utility model;

[0018] Figure 3 The third angle three-dimensional structure schematic view of the utility model;

[0019] Figure 4 The fixed plate and screw rod structure schematic view of the utility model.

[0020] In the figure: 1, movable plate; 2, medical rubber pad; 3, support; 4, fixed plate; 5, gear ring; 6, hand wheel; 7, movable rod; 8, screw sleeve; 9, bearing one; 10, handle; 11, bearing two; 12, screw rod; 13, fixed block; 14, movable hole. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0022] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0023] Secondly, the utility model is described in detail in combination with the schematic view, when detailing the utility model embodiments, for the convenience of explanation, the sectional view of device structure will be partially enlarged without general proportion, and the schematic view is only an example, which should not limit the scope of protection of the utility model herein. In addition, three-dimensional spatial dimensions of length, width and depth should be contained in actual manufacture.

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be further described in detail below with reference to the drawings. EMBODIMENT

[0025] As Figures 1-4The utility model provides a kind of bone expander, including fixed plate 4, screw sleeve 8, screw rod 12 and fixed block 13, fixed block 13 is embedded with bearing two 11, two screw rods 12 are fixedly installed in the inner ring of bearing two 11, the end of two screw rods 12 opposite each other is equipped with hand wheel 6, two hand wheels 6 can be rotated two screw rods 12, bearing two 11 is fixedly connected with two screw rods 12, when one of screw rod 12 rotates, another screw rod 12 will rotate synchronously, two screw sleeves 8 are engaged with two screw rods 12, the thread of two screw rods 12 outside is opposite direction distribution, when two screw rods 12 rotate simultaneously, two screw sleeves 8 can be moved on two rotating screw rods 12 in opposite direction or opposite direction, two fixed plate 4 opposite side two screw sleeves 8 outside are equipped with gear ring 5, two gear rings 5 can be rotated two screw sleeves 8, two screw rods 12 remain unmoved, two screw sleeves 8 can be rotated and moved on two screw rods 12, two fixed plate 4 are embedded with bearing one 9, the inner ring of two bearing one 9 is fixedly connected with two screw sleeves 8 outside, the both sides of fixed block 13 above two bearing two 11 are equipped with movable rod 7, two fixed plate 4 are equipped with movable hole 14, two movable rods 7 pass through two movable holes 14, two movable rods 7 are positioned to two fixed plate 4, when two fixed plate 4 move, two movable rods 7 are moved on two movable holes 14, avoid two fixed plate 4 to shake, two fixed plate 4 bottom are equipped with support 3, two supports 3 bottom are equipped with movable plate 1, two movable plate 1 opposite side are equipped with medical rubber pad 2, when two movable plate 1 stretch patient body tissue or organ, the medical rubber pad 2 of two movable plate 1 side is contacted with patient body, provides buffer, fixed block 13 top is equipped with handle 10, handle 10 can be lifted up fixed block 13.

[0026] Working principle: using handle 10 to lift up fixed block 13, two movable plate 1 below fixed block 13 are inserted into the inside of patient body tissue or organ that needs to be stretched, using gear ring 5 on the side of fixed block 13 to rotate screw sleeve 8, screw sleeve 8 is rotated and moved on current screw rod 12, current rotating screw sleeve 8 moves the movable plate 1 below through fixed plate 4 and support 3, another movable plate 1 remains unmoved, movable plate 1 stretches patient body tissue or organ, using hand wheel 6 to rotate the screw rod 12 on the side of fixed block 13, two screw rods 12 are fixedly connected through bearing two 11, two screw rods 12 will rotate synchronously, two screw sleeves 8 move on two rotating screw rods 12, two movable plate 1 are moved in opposite direction through two fixed plate 4 and two support 3 driven by two screw sleeves 8, two movable plate 1 synchronous movement stretches patient body tissue or organ.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An orthopedic distractor comprising a fixed plate (4), a screw sleeve (8), a screw rod (12) and a fixed block (13), characterized in that: The fixed block (13) is embeddedly installed with bearing two (11), the inner ring of the bearing two (11) is fixedly installed with two lead screws (12), two screw sleeves (8) are meshed with two lead screws (12), two fixed plates (4) are embeddedly installed with bearing one (9), the inner ring of two bearing one (9) is fixedly connected with the outer side of two screw sleeves (8), the bottom of two fixed plates (4) is installed with support (3), and the bottom of two support (3) is installed with movable plate (1).

2. The distractor according to claim 1, wherein: The end of two lead screws (12) away from each other is installed with hand wheel (6).

3. The distractor according to claim 1, wherein: The outer side threads of two lead screws (12) are oppositely distributed.

4. The distractor according to claim 1, wherein: The outer side of two screw sleeves (8) on the side away from each other of two fixed plates (4) is installed with gear ring (5).

5. The distractor according to claim 1, wherein: The top of the fixed block (13) is installed with handle (10).

6. The distractor according to claim 1, wherein: The two sides of the fixed block (13) above two bearing two (11) are installed with movable rod (7), two movable plates (4) are provided with movable hole (14), and two movable rods (7) pass through two movable holes (14).

7. The distractor according to claim 1, wherein: The side away from each other of two movable plates (1) is installed with medical rubber pad (2).

8. An orthopedic surgical assembly comprising: The utility model provides a kind of stretcher for orthopedics comprising any one of claims 1-7.

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