CN215821022U

CN215821022U - Distractor for orthopedic operation

Info

Publication number: CN215821022U
Application number: CN202120972451.7U
Authority: CN
Inventors: 柳忠兴; 吴邵鸿; 曹剑
Original assignee: Affiliated Hospital of Chifeng University
Current assignee: Affiliated Hospital of Chifeng University
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-02-15
Anticipated expiration: 2031-05-08

Abstract

The spreader for the orthopedic operation comprises a handle, wherein the handle is a tubular mechanism; the mounting seat is fixedly mounted at the bottom end of the handle, and a groove is formed in the bottom of the mounting seat; the two connecting rods are arranged below the mounting seat, are arranged in a crossed manner and are hinged with each other at the crossed point; the two supporting blocks are fixedly arranged at the bottom ends of the two connecting rods respectively; and the mounting cover is fixedly mounted at the top end of the handle through a bolt. The spreader for the orthopedic surgery has the advantages that the incision can be automatically spread conveniently through the two supporting blocks of the spreader, the operation is simple, and the use is convenient; the utility model has the advantages of can throw light on in the incision, provide extra light for the operation and avoid the dark space, reduce the influence that light caused the operation.

Description

Distractor for orthopedic operation

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to a spreader for orthopedic surgery.

Background

Orthopedics is one of the most common departments in all hospitals, and mainly studies the anatomy, physiology and pathology of the skeletal muscle system, and maintains and develops the normal form and function of the system by using medicines, operations and physical methods. In the process of orthopedic surgery, it is often necessary to incise the external muscles and skin of the bone part of a patient to be treated and to use a spreader to spread the incision towards both sides to provide an operation space.

The traditional distractor for orthopedic surgery generally needs to be manually pinched to make two supporting heads of the distractor distract an incision, and the distracted width is fixed through clamping teeth on the distractor. However, although the supporting head of the spreader struts the incision, the incision is difficult to find completely by the operating lamp, a dark light area is formed in the incision, the influence on the orthopedic surgery can be caused, the traditional spreader does not have the lighting function, the traditional spreader needs to manually strut the incision, and when the incision is replaced to strut the position, the clamping teeth on the spreader need to be removed again to fix the widths of the two supporting heads, the operation is more troublesome, the use is not convenient, and the operation efficiency can be influenced.

Therefore, there is a need to provide a new spreader for orthopedic surgery to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing a device which can automatically open the incision conveniently by two supporting blocks of the opener, and has simple operation and convenient use; can illuminate in the incision, provide extra light for the operation to avoid the dark space, reduce the strutting ware for orthopedic operation that light caused to the operation.

In order to solve the above technical problems, the spreader for orthopedic surgery provided by the present invention comprises: the handle is a tubular mechanism; the mounting seat is fixedly mounted at the bottom end of the handle, and a groove is formed in the bottom of the mounting seat; the two connecting rods are arranged below the mounting seat, are arranged in a crossed manner and are hinged with each other at the crossed point; the two supporting blocks are fixedly arranged at the bottom ends of the two connecting rods respectively; the mounting cover is fixedly mounted at the top end of the handle through a bolt; the driving mechanism is arranged on the handle and the mounting seat; and the two illuminating mechanisms are respectively arranged on the two supporting blocks.

Preferably, actuating mechanism is including mounting panel, lithium cell, motor, two-way screw rod, first conical gear, second conical gear, two sleeves, two hinges, two gag lever posts and two sliders, mounting panel fixed mounting is in on the inner wall of handle, lithium cell fixed mounting is in the top of mounting panel, motor fixed mounting is in the bottom of mounting panel, two-way screw rod rotates to be installed on the both sides inner wall of recess, two-way screw rod first conical gear fixed mounting is in the bottom of the output shaft of motor, the fixed cover of second conical gear is established on the two-way screw rod, second conical gear with first conical gear meshes mutually, two sleeve threaded sleeve is established on the two-way screw rod, two hinges respectively fixed mounting be two telescopic bottom, the two hinged joints are respectively hinged with the top ends of the two connecting rods, the two limiting rods are respectively and fixedly installed on the inner walls of the two sides of the groove, and the two sliding blocks are respectively and fixedly installed on the top of the two sleeves.

Preferably, lighting mechanism is including mounting groove, button cell, translucent cover, LED lamp pearl and sealed lid, the mounting groove is seted up one side of bracer, button cell sets up on the inner wall of mounting groove, translucent cover fixed mounting be in on the bracer, LED lamp pearl is located in the translucent cover, sealed lid passes through bolt fixed mounting and is in one side of bracer, sealed lid with mounting groove looks adaptation, the switch setting of LED lamp pearl is in the top of installation lid.

Preferably, the mounting hole has been seted up on the bottom inner wall of mounting groove, translucent cover fixed mounting be in the mounting groove, the translucent cover with mounting groove sealing connection.

Preferably, the top of the mounting cover is provided with a reversing switch, and the reversing switch controls the motor to run.

Preferably, the inner walls of the two sides of the groove are provided with rotating grooves, the two rotating grooves are fixedly provided with bearings, and the inner rings of the two bearings are fixedly sleeved at the two ends of the bidirectional screw respectively.

Compared with the related art, the spreader for the orthopedic surgery provided by the utility model has the following beneficial effects:

the utility model provides a spreader for orthopedic surgery, which comprises:

the two supporting blocks of the spreader are used for automatically spreading the notch conveniently by matching the handle, the mounting seat, the connecting rod, the supporting blocks, the mounting cover, the mounting plate, the lithium battery, the motor, the bidirectional screw, the first bevel gear, the second bevel gear, the sleeve, the hinge joint, the limiting rod and the sliding block, so that the operation is simple and the use is convenient; and two lighting mechanism on the accessible struts can throw light on in the incision, provide extra light for the operation and avoid the dark space, reduce the influence that light caused the operation.

Drawings

FIG. 1 is a front cross-sectional structural view of a preferred embodiment of the distractor for orthopedic surgery provided in the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of portion C of FIG. 3;

fig. 5 is a schematic front view of the present invention.

Reference numbers in the figures: 1. a handle; 2. a mounting seat; 3. a connecting rod; 4. a support block; 5. installing a cover; 6. mounting a plate; 7. a lithium battery; 8. a motor; 9. a bidirectional screw; 10. a first bevel gear; 11. a second bevel gear; 12. a sleeve; 13. a hinge joint; 14. a limiting rod; 15. a slider; 16. mounting grooves; 17. a button cell; 18. a transparent cover; 19. LED lamp beads; 20. and (7) sealing the cover.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Please refer to fig. 1-5, wherein fig. 1 is a schematic front sectional view illustrating a preferred embodiment of a distractor for orthopedic surgery according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of portion B of FIG. 1; FIG. 4 is an enlarged view of portion C of FIG. 3; fig. 5 is a schematic front view of the present invention. The spreader for the orthopedic surgery comprises a handle 1, wherein the handle 1 is a tubular mechanism; the mounting base 2 is fixedly mounted at the bottom end of the handle 1, and a groove is formed in the bottom of the mounting base 2; the two connecting rods 3 are arranged below the mounting base 2, the two connecting rods 3 are arranged in a crossed manner, and the two connecting rods 3 are hinged to each other at the crossed point; the two supporting blocks 4 are respectively and fixedly arranged at the bottom ends of the two connecting rods 3; the mounting cover 5 is fixedly mounted at the top end of the handle 1 through bolts; the driving mechanism is arranged on the handle 1 and the mounting seat 2; and the two illuminating mechanisms are respectively arranged on the two supporting blocks 4.

The driving mechanism comprises a mounting plate 6, a lithium battery 7, a motor 8, a two-way screw 9, a first bevel gear 10, a second bevel gear 11, two sleeves 12, two hinges 13, two limiting rods 14 and two sliders 15, the mounting plate 6 is fixedly mounted on the inner wall of the handle 1, the lithium battery 7 is fixedly mounted at the top of the mounting plate 6, the motor 8 is fixedly mounted at the bottom of the mounting plate 6, the two-way screw 9 is rotatably mounted on the inner walls of the two sides of the groove, the two-way screw 9 is fixedly mounted at the bottom end of the output shaft of the motor 8, the second bevel gear 11 is fixedly sleeved on the two-way screw 9, the second bevel gear 11 is meshed with the first bevel gear 10, and the sleeves 12 are threadedly sleeved on the two-way screw 9, two articulated joint 13 fixed mounting is two respectively the bottom of sleeve 12, two articulated joint 13 respectively with two the top of connecting rod 3 is articulated, two gag lever post 14 fixed mounting respectively is in on the both sides inner wall of recess, two slider 15 fixed mounting is two respectively the top of sleeve 12, through actuating mechanism can make two automatically the kicking block 4 cuts the incision, easy operation, convenient to use.

Illuminating mechanism is including mounting groove 16, button cell 17, translucent cover 18, LED lamp pearl 19 and sealed lid 20, mounting groove 16 sets up one side of bracer 4, button cell 17 sets up on the inner wall of mounting groove 16, translucent cover 18 fixed mounting be in on the bracer 4, LED lamp pearl 19 is located in the translucent cover 18, sealed lid 20 passes through bolt fixed mounting in one side of bracer 4, sealed lid 20 with mounting groove 16 looks adaptation, LED lamp pearl 19's switch setting is in the top of installation lid 5 is through two illuminating mechanism can throw light on in the incision, provides extra light for the operation and avoids the dark space, reduces the influence that light caused the operation.

The mounting hole has been seted up on the bottom inner wall of mounting groove 16, translucent cover 18 fixed mounting be in the mounting groove 16, translucent cover 18 with mounting groove 16 sealing connection avoids operation incision department blood water etc. to pollute 18 inside LED lamp pearls 19 of translucent cover and inconvenient washing.

The top of installation lid 5 is equipped with the switch of reversing, the switch control of reversing the motor 8 operation, convenient operation motor 8.

The inner walls of the two sides of the groove are provided with rotating grooves, two bearings are fixedly mounted in the rotating grooves, and the inner rings of the bearings are fixedly sleeved at the two ends of the bidirectional screw 9 respectively and can support and stably rotate the bidirectional screw 9.

The working principle of the spreader for the orthopedic surgery provided by the utility model is as follows: when the device is used, the handle 1 is held by hand, the two supporting blocks 4 of the spreader are inserted into the cut, the two-way screw 9 is driven to rotate by pressing the reversing switch on the mounting cover 5 and starting the motor 8 to rotate forwards to drive the first bevel gear 10 to rotate and drive the two-way screw 9 to rotate through the second bevel gear 11, the two-way screw 9 drives the two sleeves 12 to mutually approach each other, so that the two sliding blocks 15 are driven to slide on the two limiting rods 14 and simultaneously the two hinges 13 are driven to mutually approach each other, and the distance between the two supporting blocks 4 is increased through the two hinges 13 through the two connecting rods 3, so that the cut is spread;

the LED lamp beads 19 at the bottoms of the two supporting blocks 4 illuminate the incision, so that extra light is provided for the operation, and the influence of the light on the operation is reduced;

after the use, through the two direction switch on the installation lid 5, the starting motor 8 reverses, makes two kicking blocks 4 be close to each other to the completion struts incision, easy operation, convenient to use.

the utility model provides a spreader for orthopedic surgery, which is characterized in that a handle 1, a mounting seat 2, a connecting rod 3, a supporting block 4, a mounting cover 5, a mounting plate 6, a lithium battery 7, a motor 8, a two-way screw 9, a first bevel gear 10, a second bevel gear 11, a sleeve 12, a hinge joint 13, a limiting rod 14 and a sliding block 15 are matched, so that a cut can be automatically spread conveniently through the two supporting blocks 4 of the spreader, and the spreader is simple to operate and convenient to use; and two lighting mechanism on the accessible struts can throw light on in the incision, provide extra light for the operation and avoid the dark space, reduce the influence that light caused the operation.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described and clear, and on the premise that those skilled in the art understand the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known;

furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise;

in addition, in the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An orthopedic surgery distractor, comprising:

the handle is a tubular mechanism;

the mounting seat is fixedly mounted at the bottom end of the handle, and a groove is formed in the bottom of the mounting seat;

the two connecting rods are arranged below the mounting seat, are arranged in a crossed manner and are hinged with each other at the crossed point;

the two supporting blocks are fixedly arranged at the bottom ends of the two connecting rods respectively;

the mounting cover is fixedly mounted at the top end of the handle through a bolt;

the driving mechanism is arranged on the handle and the mounting seat;

and the two illuminating mechanisms are respectively arranged on the two supporting blocks.

2. The spreader for orthopedic surgery according to claim 1, wherein the driving mechanism comprises a mounting plate, a lithium battery, a motor, a two-way screw, a first bevel gear, a second bevel gear, two sleeves, two hinges, two limiting rods and two sliders, the mounting plate is fixedly mounted on the inner wall of the handle, the lithium battery is fixedly mounted on the top of the mounting plate, the motor is fixedly mounted on the bottom of the mounting plate, the two-way screw is rotatably mounted on the inner walls of two sides of the groove, the first bevel gear is fixedly mounted on the bottom of the output shaft of the motor, the second bevel gear is fixedly mounted on the two-way screw, the second bevel gear is meshed with the first bevel gear, and the two sleeves are threadedly mounted on the two-way screw, the two hinged joints are fixedly arranged at the bottom of the two sleeves respectively, the two hinged joints are hinged to the top ends of the two connecting rods respectively, the two limiting rods are fixedly arranged on the inner walls of the two sides of the groove respectively, and the two sliding blocks are fixedly arranged at the top of the two sleeves respectively.

3. The spreader for the orthopedic surgery as claimed in claim 1, wherein the lighting mechanism comprises a mounting groove, a button cell, a transparent cover, a LED lamp bead and a sealing cover, the mounting groove is formed on one side of the supporting block, the button cell is arranged on the inner wall of the mounting groove, the transparent cover is fixedly mounted on the supporting block, the LED lamp bead is arranged in the transparent cover, the sealing cover is fixedly mounted on one side of the supporting block through a bolt, the sealing cover is matched with the mounting groove, and the LED lamp bead is switched on the top of the mounting cover.

4. The spreader for orthopedic surgery as claimed in claim 3, wherein a mounting hole is opened on the bottom inner wall of the mounting groove, the transparent cover is fixedly mounted in the mounting groove, and the transparent cover is hermetically connected with the mounting groove.

5. The spreader for orthopedic surgery as claimed in claim 2, wherein a reversing switch is provided on the top of the mounting cover, and the reversing switch controls the operation of the motor.

6. The spreader for orthopedic surgery as claimed in claim 1, wherein the inner walls of both sides of said groove are respectively provided with a rotation groove, bearings are fixedly mounted in both said rotation grooves, and the inner rings of both said bearings are respectively fixedly sleeved at both ends of the bidirectional screw.