CN216570051U

CN216570051U - Retractor for general surgery department operation

Info

Publication number: CN216570051U
Application number: CN202122386763.2U
Authority: CN
Inventors: 徐海峰; 陈雷
Original assignee: Changzhou Dean Hospital (changzhou Charity Hospital)
Current assignee: Changzhou Dean Hospital (changzhou Charity Hospital)
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-05-24
Anticipated expiration: 2031-09-30

Abstract

The utility model provides a retractor for general surgery department operation, includes two symmetrical tractive arms, its characterized in that: the two retracting arms are connected into a whole through a connecting shaft, each retracting arm comprises a straight rod, a curved rod and a handle, a ratchet locking piece is arranged on the handle of the retracting arm on the left side, a retracting claw is arranged on the side face of the straight rod, and the straight rod is connected with the curved rod in the cover tube. The utility model aims to provide a retractor for general surgery operation, which can adjust the angle of a retracting claw, aiming at the defects of the traditional product technology.

Description

Retractor for general surgery department operation

Technical Field

The utility model relates to the field of medical instruments, in particular to a retractor for general surgery operations.

Background

Retractors (also called as draw hooks) are used to retract tissue, expose the area to be operated, and are convenient for exploration and operation, and can be divided into two types, namely hand-held draw hooks and automatic draw hooks. The retractor has various specifications of different shapes and sizes, and can be selected according to the operation requirement. Because the actual conditions of the two sides of the wound or the tissue to be retracted are different, the angles and depths of the retractor are different, so that retractors of different models need to be equipped, resources are wasted, and the utilization rate of each model is reduced.

Therefore, there is a need to provide a new retractor for general surgery to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a retractor for general surgery operation, which can adjust the angle of a retracting claw, aiming at the defects of the traditional product technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a retractor for general surgery operation, includes two symmetrical tractive arms which characterized in that: the two retracting arms are connected into a whole through a connecting shaft, each retracting arm comprises a straight rod, a curved rod and a handle, a ratchet locking piece is arranged on the handle of the retracting arm on the left side, a retracting claw is arranged on the side face of the straight rod, and the straight rod is connected with the curved rod in the cover tube.

Further, the straight rod and the curved rod are both of a round solid tube structure, a polygonal fixing hole is formed in the rear section of the straight rod, a fixing column is arranged at the front end of the curved rod, the fixing column is matched with the fixing hole in shape and size, the fixing column is located in a column hole in the front end of the curved rod, a spring hole is connected to the rear side of the column hole, the cross-sectional area of the spring hole is smaller than that of the column hole, a spring is arranged at the tail of the fixing column, the tail of the spring is connected into the spring hole, a shifting piece is arranged on the side face of the fixing column, and the shifting piece can be shifted up and down in a first opening in the surface of the straight rod.

Furthermore, the cover pipe on the straight rod side is clamped on the limiting ring, the cover pipe on the curved rod side is connected to the surface of the curved rod through threads, a second opening is formed in the surface of the cover pipe, and the position of the second opening corresponds to the position of the first opening.

Furthermore, one end of the ratchet locking piece is connected to the handle on the left side, the distance between the ratchet locking piece and the handle is kept to be more than 3mm, the handle on the right side is provided with a locking opening, the other end of the ratchet locking piece penetrates through the locking opening, a plurality of ratchets which are uniformly distributed are arranged on the upper surface of the ratchet locking piece, and the tooth tips of the ratchets face towards the left side.

The utility model has the beneficial effects that: the utility model is provided with the curved rod which can expand the retraction angle as much as possible and increase the operation area of the operation and the straight rod which can adjust the angle, thereby being suitable for the retraction positions with different angles and the retraction positions with different depths at two sides.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the joint of a straight rod and a curved rod;

fig. 3 is a schematic view of the structure of the end of the curved bar.

In the drawing, 1, a retraction arm, 2, a connecting shaft, 3, a ratchet locking piece, 4, a cover tube, 5, a column hole, 11, a straight rod, 12, a curved rod, 13, a handle, 14, a retraction claw, 15, the handle, 16, a limiting ring, 31, a ratchet, 41, a second opening, 42, a thread, 51, a spring hole, 101, a fixing hole, 102, a fixing column, 103, a spring, 104, a shifting piece and 105 are arranged in the first opening.

Detailed Description

As shown in fig. 1, two retracting arms 1 are connected into a whole through a connecting shaft 2, each retracting arm 1 comprises a straight rod 11, a curved rod 12 and a handle 13, a ratchet locking piece 3 is arranged on the handle 13 of the left retracting arm 1, a retracting claw 14 is arranged on the side surface of the straight rod 11, and the straight rod 11 and the curved rod 12 are connected in a cover tube 4.

As shown in fig. 2 and 3, the straight rod 11 and the curved rod 12 are both of a circular solid tube structure, and the curved rod 12 extending out from the connecting shaft 2 is close to the connecting shaft, so that the angle of the retracting part can be enlarged as much as possible, and the operation area can be increased; the rear section of the straight rod 11 is provided with a polygonal fixing hole 101 which can be hexagonal or octagonal and has six to eight adjustable angle gears; the front end of the curved bar 12 is provided with a fixed column 102, the fixed column 102 is matched with the fixed hole 101 in shape and size, the fixed column 102 is located in a column hole 5 in the front end of the curved bar 12, the rear side of the column hole 5 is connected with a spring hole 51, the cross-sectional area of the spring hole 51 is smaller than that of the column hole 5, the tail of the fixed column 102 is provided with a spring 103, the tail of the spring 103 is connected in the spring hole 51, the side face of the fixed column 102 is provided with a shifting piece 104, and the shifting piece 104 can be shifted up and down in a first opening 105 in the surface of the straight bar 11.

As shown in fig. 2, the cover tube 4 on the straight rod 11 side is clamped on the limiting ring 16, the cover tube 4 on the curved rod 12 side is connected to the surface of the curved rod 12 through a thread 42, the surface of the cover tube 4 is provided with a second opening 41, and the position of the second opening 41 corresponds to the position of the first opening 105.

As shown in fig. 1, one end of the ratchet locking piece 3 is connected to the left handle 13, the ratchet locking piece 3 keeps a distance of more than 3mm from the handle 13, the ratchet locking piece 3 has an upward elastic force, and the ratchet 31 is close to the locking opening 15; right side handle 13 is equipped with locking opening 15, the locking opening 15 is worn to the 3 other ends of ratchet locking plate, 3 upper surfaces of ratchet locking plate are equipped with a plurality of ratchets 31 of evenly distributed, 31 tooth points of ratchet are towards the left side, and two handles 13 are pressed from both sides and are drawn back, and 1 the place ahead of the arm that draws back is opened, and ratchet 31 passes locking opening 15 right and reaches the position that needs, and the hand is loosened and is locked on locking opening 15 when ratchet 31 withdraws left, reaches steady state, and the operation is ended, pushes down ratchet locking plate 3, can recover.

When the telescopic handle is used, according to the actual situation of a required retracting part, the angle of the retracting claw 14 is adjusted, the shifting piece 104 is pressed downwards, the fixed column 102 is separated from the fixed hole 101, at the moment, the straight rods 11 can rotate to a proper angle, the retracting claws 14 of the two straight rods 11 can be symmetrical or can be asymmetrically arranged according to requirements, the shifting piece 104 is loosened, the fixed column 102 rebounds to the fixed hole 101, and the straight rods 11 are fixed with the curved rod 12.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A retractor for general surgery comprises two symmetrical retracting arms (1), and is characterized in that: two arm (1) that draw back link into an integrated entity through connecting axle (2), draw back arm (1) and include straight-bar (11), curved bar (12) and handle (13), be equipped with ratchet locking plate (3) on handle (13) of left side arm (1) that draws back, straight-bar (11) side is equipped with draws back claw (14), straight-bar (11) and curved bar (12) are connected in cover pipe (4).

2. The general surgical retractor according to claim 1, wherein: the straight rod (11) and the curved rod (12) are both of a circular solid tube structure, a polygonal fixing hole (101) is formed in the rear section of the straight rod (11), a fixing column (102) is arranged at the front end of the curved rod (12), the fixing column (102) is matched with the fixing hole (101) in shape and size, the fixing column (102) is located in a column hole (5) in the front end of the curved rod (12), a spring hole (51) is connected to the rear side of the column hole (5), the cross-sectional area of the spring hole (51) is smaller than that of the column hole (5), a spring (103) is arranged at the tail of the fixing column (102), the tail of the spring (103) is connected into the spring hole (51), a shifting piece (104) is arranged on the side face of the fixing column (102), and the shifting piece (104) can be shifted up and down in a first opening (105) in the surface of the straight rod (11).

3. The general surgical retractor according to claim 1, wherein: the cover tube (4) on the side of the straight rod (11) is clamped on the limiting ring (16), the cover tube (4) on the side of the curved rod (12) is connected to the surface of the curved rod (12) through threads (42), a second opening (41) is formed in the surface of the cover tube (4), and the position of the second opening (41) corresponds to the first opening (105).

4. The general surgical retractor according to claim 1, wherein: ratchet locking plate (3) one end is connected on left side handle (13), ratchet locking plate (3) keep interval more than 3mm with this handle (13), and right side handle (13) are equipped with locking mouth (15), in locking mouth (15) were worn to ratchet locking plate (3) other end, ratchet locking plate (3) upper surface is equipped with a plurality of ratchets (31) of evenly distributed, ratchet (31) prong is towards the left side.