CN215018167U

CN215018167U - Retractor for neurosurgery clinical operation

Info

Publication number: CN215018167U
Application number: CN202120792635.5U
Authority: CN
Inventors: 钟琪; 何林; 李宗平
Original assignee: Mianyang Central Hospital
Current assignee: Mianyang Central Hospital
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-12-07
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a retractor for neurosurgery clinical operation, including unable adjustment base, unable adjustment base's top surface runs through and has seted up the mounting hole, the inside threaded connection of mounting hole has fixing bolt, unable adjustment base's top surface middle part fixedly connected with support column, the first thread bush of top surface fixedly connected with of support column, the inside threaded connection of first thread bush has the connecting rod, the inside fixed mounting of one end that first thread bush was kept away from to the connecting rod has first fixing bearing, first fixing bearing's inside fixedly connected with screw rod. Through the mutual matching of the screw, the second threaded sleeve, the first push rod, the second push rod, the first traction plate and the second traction plate and the like, the goal of conveniently keeping the traction state of the retractor stable is realized, the bad condition that the operation difficulty is increased due to the influence of the operation is avoided, the effect of conveniently reducing the treatment risk of a patient is achieved, the use requirement is met, and the use is convenient.

Description

Retractor for neurosurgery clinical operation

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a retractor is used in neurosurgery clinical operation.

Background

The retractor is also called a draw hook, is used for retracting tissues, exposes the range needing operation, is convenient to explore and operate, can be divided into a handheld draw hook and an automatic draw hook, has specifications of various shapes and sizes, and can select a proper draw hook according to the operation requirement.

The retractor for the clinical operation of current neurosurgery adopts the distance and the size that manual control retractor is retracted mostly, is difficult to for a long time to keep the stability of retractor, influences the operation, has increased the operation degree of difficulty, and then has increased patient's treatment risk, is difficult to satisfy the user demand, and it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a retractor for neurosurgery clinical operation, which solves the problem that the retractor is difficult to keep stable in retraction state.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a retractor for a neurosurgical clinical operation comprises a fixed base, wherein a mounting hole is formed in the top surface of the fixed base in a penetrating mode, a fixing bolt is connected to the inner thread of the mounting hole, a supporting column is fixedly connected to the middle of the top surface of the fixed base, a first thread sleeve is fixedly connected to the top surface of the supporting column, a connecting rod is connected to the inner thread of the first thread sleeve, a first fixing bearing is fixedly installed inside one end, away from the first thread sleeve, of the connecting rod, a screw rod is fixedly connected to the inner portion of the first fixing bearing, a knob is fixedly connected to the top surface of the screw rod, a limiting block is fixedly connected to the middle of the surface of the knob, a second thread sleeve is connected to the surface of the knob in a threaded mode, a first push rod is rotatably connected to the front of the second thread sleeve, a second push rod is rotatably connected to the front of the second thread sleeve, and a second fixing bearing is rotatably connected to the bottom of the screw rod, the bottom surface of the second fixed bearing is fixedly connected with a rotating block, the inside of the rotating block is rotatably connected with a first traction plate, and the inside of the rotating block is rotatably connected with a second traction plate.

Preferably, the mounting holes are distributed on two sides of the top surface of the fixed base, the number of the mounting holes is two, and the mounting holes are symmetrically distributed by using the central line of the supporting column.

Preferably, threads are distributed on the left side of the surface of the connecting rod, and the threads on the surface of the connecting rod are meshed with the first thread sleeve.

Preferably, the limiting block is made of stainless steel and is located right above the second threaded sleeve.

Preferably, the first push rod and the second push rod are the same in size, the first push rod is rotatably connected with the second push rod, and one ends, far away from the second threaded sleeve, of the first push rod and the second push rod are fixedly connected with the first retracting plate and the second retracting plate respectively.

Preferably, the first retractor plate and the second retractor plate are the same in size, and the first retractor plate is rotatably connected with the second retractor plate.

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

this retractor is used in neurosurgery clinical operation, insert first board and the second board of drawing in the patient wound, twist and move the knob, it is rotatory to drive the screw rod, the screw rod is rotatory to drive the second thread bush and is moved downwards on the screw rod surface, first push rod and second push rod drive first board and the second board of drawing respectively and open slowly, treat that the patient wound opens to suitable size after, stop twisting and move the knob, thereby the process of drawing has been realized, through the screw rod, the second thread bush, first push rod, the second push rod, the first board of drawing and the cooperation of second board isotructure, the target of being convenient for keep the retractor to draw the state stable is drawn in the ware to the realization, the bad condition that influences the operation degree of difficulty and has increased has been reached, the effect of being convenient for reducing patient's treatment risk has been satisfied the user demand, it is comparatively convenient to use.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the structure of the present invention.

In the figure: the device comprises a fixed base 1, a mounting hole 2, a fixing bolt 3, a support column 4, a first thread bush 5, a connecting rod 6, a first fixed bearing 7, a screw rod 8, a knob 9, a limiting block 10, a second thread bush 11, a first push rod 12, a second push rod 13, a second fixed bearing 14, a rotating block 15, a first traction plate 16 and a second traction plate 17.

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.

Example (b): referring to fig. 1-2, a retractor for neurosurgical clinical operation comprises a fixed base 1, and is characterized in that mounting holes 2 are formed through the top surface of the fixed base 1, the mounting holes 2 are distributed on two sides of the top surface of the fixed base 1, the number of the mounting holes 2 is two, the mounting holes 2 are symmetrically distributed along the central line of a support post 4, fixing bolts 3 are connected to the internal threads of the mounting holes 2, the support post 4 is fixedly connected to the middle of the top surface of the fixed base 1, a first thread bush 5 is fixedly connected to the top surface of the support post 4, a connecting rod 6 is connected to the internal threads of the first thread bush 5, threads are distributed on the left side of the surface of the connecting rod 6, the threads on the surface of the connecting rod 6 are meshed with the first thread bush 5, a first fixed bearing 7 is fixedly mounted inside one end of the connecting rod 6, which is far away from the first thread bush 5, a screw 8 is fixedly connected inside the first fixed bearing 7, the top surface of the screw 8 is fixedly connected with a knob 9, the surface middle part of the knob 9 is fixedly connected with a limiting block 10, the limiting block 10 is made of stainless steel materials, the limiting block 10 is positioned right above a second thread bush 11, the surface thread of the knob 9 is connected with a second thread bush 11, the front surface of the second thread bush 11 is rotatably connected with a first push rod 12, the front surface of the second thread bush 11 is rotatably connected with a second push rod 13, the first push rod 12 and the second push rod 13 have the same size, the first push rod 12 is rotatably connected with the second push rod 13, one ends of the first push rod 12 and the second push rod 13, which are far away from the second thread bush 11, are respectively fixedly connected with a first pulling plate 16 and a second pulling plate 17, the bottom of the screw 8 is rotatably connected with a second fixed bearing 14, the bottom surface of the second fixed bearing 14 is fixedly connected with a rotating block 15, the inner part of the rotating block 15 is rotatably connected with a first pulling plate 16, the second traction plate 17 is rotatably connected inside the rotating block 15, the first traction plate 16 and the second traction plate 17 are the same in size, the first traction plate 16 is rotatably connected with the second traction plate 17, and the first traction plate 16 and the second traction plate 17 are matched with each other through the screw 8, the second thread sleeve 11, the first push rod 12, the second push rod 13, the first traction plate 16, the second traction plate 17 and other structures, so that the aim of conveniently keeping the traction state of the retractor stable is achieved, the bad condition that the operation difficulty is increased due to the influence on the operation is avoided, the effect of conveniently reducing the treatment risk of a patient is achieved, the use requirement is met, and the use is more convenient.

When in use: the device is fixed on an operating table through a fixing bolt 3, a connecting rod 6 is screwed, the connecting rod 6 rotates in a first threaded sleeve 5, after the angles of a first traction plate 16 and a second traction plate 17 are adjusted, the first traction plate 16 and the second traction plate 17 are inserted into a wound of a patient, a knob 9 is screwed to drive a screw 8 to rotate, the screw 8 rotates to drive a second threaded sleeve 11 to move downwards on the surface of the screw 8, a first push rod 12 and a second push rod 13 respectively drive the first traction plate 16 and the second traction plate 17 to slowly open, after the wound of the patient is opened to a proper size, the knob 9 is stopped being screwed, at the moment, the first traction plate 16 and the second traction plate 17 are stably kept in an open state, and therefore the traction process is achieved.

To sum up, the first distraction plate 16 and the second distraction plate 17 are inserted into the wound of the patient, the knob 9 is twisted to drive the screw 8 to rotate, the screw 8 rotates to drive the second threaded sleeve 11 to move downwards on the surface of the screw 8, the first push rod 12 and the second push rod 13 respectively drive the first distraction plate 16 and the second distraction plate 17 to slowly open, after the wound of the patient is opened to a proper size, the knob 9 is stopped to be twisted, thereby realizing the retracting process, realizing the aim of conveniently keeping the retracting state of the retractor stable by the mutual matching of the structures of the screw 8, the second thread sleeve 11, the first push rod 12, the second push rod 13, the first retracting plate 16, the second retracting plate 17 and the like, avoiding the bad condition that the operation is influenced and the operation difficulty is increased, the effect of being convenient for reduce patient's treatment risk has been reached, has satisfied the user demand, and it is comparatively convenient to use, has solved and has been difficult to keep the retractor to lead to the fact the stable problem of state.

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

1. The retractor for the clinical operation of the neurosurgery comprises a fixed base (1) and is characterized in that a mounting hole (2) is formed in the top surface of the fixed base (1) in a penetrating mode, a fixing bolt (3) is connected to the internal thread of the mounting hole (2), a supporting column (4) is fixedly connected to the middle of the top surface of the fixed base (1), a first thread sleeve (5) is fixedly connected to the top surface of the supporting column (4), a connecting rod (6) is connected to the internal thread of the first thread sleeve (5), a first fixing bearing (7) is fixedly installed inside one end, far away from the first thread sleeve (5), of the connecting rod (6), a screw rod (8) is fixedly connected to the inside of the first fixing bearing (7), a knob (9) is fixedly connected to the top surface of the screw rod (8), and a limiting block (10) is fixedly connected to the middle of the surface of the knob (9), the surface of the knob (9) is in threaded connection with a second threaded sleeve (11), the front of the second threaded sleeve (11) is connected with a first push rod (12) in a rotating mode, the front of the second threaded sleeve (11) is connected with a second push rod (13) in a rotating mode, the bottom of the screw rod (8) is connected with a second fixing bearing (14) in a rotating mode, a rotating block (15) is fixedly connected to the bottom face of the second fixing bearing (14), a first pulling-off plate (16) is connected to the inside of the rotating block (15) in a rotating mode, and a second pulling-off plate (17) is connected to the inside of the rotating block (15) in a rotating mode.

2. The neurosurgical clinical operation retractor according to claim 1, wherein the mounting holes (2) are distributed on two sides of the top surface of the fixed base (1), the number of the mounting holes (2) is two, and the mounting holes (2) are symmetrically distributed along the midline of the supporting column (4).

3. The neurosurgical clinical operation retractor according to claim 1, wherein the left side of the surface of the connecting rod (6) is distributed with threads, and the threads on the surface of the connecting rod (6) are engaged with the first threaded sleeve (5).

4. The retractor for the neurosurgical clinical operation according to claim 1, wherein the limiting block (10) is made of stainless steel, and the limiting block (10) is positioned right above the second threaded sleeve (11).

5. The retractor for the neurosurgical clinical operation according to claim 1, wherein the first push rod (12) and the second push rod (13) have the same size, the first push rod (12) is rotatably connected with the second push rod (13), and one ends of the first push rod (12) and the second push rod (13) far away from the second threaded sleeve (11) are fixedly connected with the first retracting plate (16) and the second retracting plate (17) respectively.

6. The neurosurgical clinical surgical retractor according to claim 1, wherein the first retractor plate (16) and the second retractor plate (17) are the same size, and the first retractor plate (16) and the second retractor plate (17) are rotatably connected.