CN211094356U

CN211094356U - Surgical retractor

Info

Publication number: CN211094356U
Application number: CN201921653117.4U
Authority: CN
Inventors: 贾增俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-07-28
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a surgical retractor, which comprises a circular ring, when in use, a retracted incision is positioned at the inner side of the circular ring, a plurality of jacks are annularly arranged at the top of the circular ring, the jacks vertically penetrate through the circular ring, a hook strip is assembled on the circular ring, one end of the hook strip positioned at the inner side of the circular ring is vertically bent downwards to form a hook plate part, when in operation, the hook plate part is inserted into the incision, a sliding groove is arranged at the top of the hook strip, the sliding groove is arranged along the hook strip, a screw is matched between the sliding groove and the jacks, the screw is screwed into the jacks, and the jacks are threaded holes; the product can be pulled open at multiple points simultaneously, so that the incision traction is facilitated, and a better operation visual field is obtained.

Description

Surgical retractor

Technical Field

The utility model relates to a surgical retractor.

Background

The surgery is called as operation, commonly known as open surgery, and refers to a treatment process of entering human body or other biological tissues through surgical equipment or surgical instruments and operated by surgeons or other professionals to remove pathological changes, change structures or implant foreign objects by means of external force.

In the course of surgery, often use the surgical drag hook, but the surgical drag hook among the prior art needs to install and debug, especially independent time by root. The operation time is prolonged, so that the operation has various variability.

Based on the problems, the surgical retractor is designed, and can be pulled open at multiple points at the same time, so that incision traction is facilitated, and a better surgical field is obtained.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a surgical retractor which can be pulled open simultaneously at multiple points, and the incision of which is convenient to draw, and the surgical field of vision of a better can be obtained.

The utility model discloses a realize through following technical scheme:

the utility model provides a surgical retractor, includes a ring, and when using, the incision that is drawn back is located the inboard of ring the top ring shape of ring is provided with a plurality of jacks, the jack is vertical to be run through the ring be equipped with the hook strip on the ring, the hook strip is located that the one end of ring inboard forms the hook plate part after the perpendicular downwarping, and when operation, hook plate part inserts to the incision in the top of hook strip is provided with a spout, the spout along the hook strip sets up the spout with the cooperation has the screw between the jack, the screw in extremely in the jack, the jack is the screw hole.

Preferably, a U-shaped rod is matched between two insertion holes arranged at intervals, one insertion hole is arranged between the two insertion holes at intervals, the draw hook strip is positioned at the middle position of the U-shaped rod, the two end positions of the U-shaped rod are both bent downwards to form an insertion rod part, the insertion rod part is downwards inserted into the insertion hole, a shaft sleeve is welded at the middle position of the U-shaped rod, a rod is matched through the shaft sleeve, a bearing is matched between the rod and the shaft sleeve, a screw rod is processed at one end of the rod, a block is processed at the other end of the rod, a hole is arranged at the outer wall of the block in a penetrating manner, a movable handle rod is inserted into the hole, a first insertion hole is arranged at the top of the draw hook strip and at the side far away from the hook plate part, a first insertion rod part is matched in the first insertion hole, and a nut is welded at the upper end of the first insertion rod part, the screw rod penetrates through the nut; the structure is mainly used for conveniently and finely adjusting the retracting position of the pull hook strip, and the adjusting mode is as follows:

1) pulling the draw hook strip outwards as much as possible to partially draw the incision, and pre-tightening the screws for fixing the draw hook strip;

2) the nut is matched with the screw rod, the position of the nut is adjusted, and when the first inserted link corresponds to the first jack, the inserted link part is just opposite to the jack; then the inserting rod part is inserted into the inserting hole;

3) rotatory screw rod, when the screw rod was rotatory, because the nut can't rotate, therefore the rotation of screw rod can drive the displacement of nut, and the displacement through the nut drives the removal of hook strip, realizes notched drawing, adjusts the completion back, thoroughly fixes the screw, and the aforesaid is adjusted the completion back, directly upwards takes off the U-shaped pole, can further perform the operation.

Preferably, the screw pitch of the screw is 0.55mm to 0.75 mm.

Preferably, a stop ring for limiting is processed at the outer wall of the first plunger part, and the stop ring is limited at the top of the hook strip; the downward insertion depth of the first inserted link part can be limited by the arrangement of the retaining ring, and the screw and the nut are positioned on the same horizontal plane after the first inserted link part is inserted into the retaining ring, so that the screw can be conveniently assembled into the nut.

Preferably, two ends of the handle rod are in threaded connection with limiting balls.

Preferably, a stop piece made of rubber is assembled on the screw and is in contact with the upper end face of the hook strip, friction force between the screw and the hook strip can be increased through the stop piece, and then the fixing effect of the screw on the hook strip is improved.

The utility model has the advantages that: this product adopts a ring, and when the operation, the operation incision exposes in the inboard of ring, avoids causing the hindrance in the field of vision, through the cooperation of many hook strips, can realize that notched both sides are led out, leads out the back, and the stable in structure of ring can implement the operation, and this product easy operation is convenient, and the arrangement time is shorter, can shorten the operation time, increases the success rate of performing the operation, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of the present invention;

FIG. 2 is a front view of the hook strip;

FIG. 3 is a top view of the hook strip;

FIG. 4 is a front view of the U-shaped bar;

fig. 5 is a side view of the nut.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

A surgical retractor as shown in fig. 1 to 5, comprising a ring 1, wherein, in use, a retracted incision is located inside the ring 1, a plurality of insertion holes 101 are annularly arranged at the top of the ring 1, the insertion holes 101 vertically penetrate through the ring 1, a hook strip 2 is assembled on the ring 1, one end of the hook strip 2 located inside the ring 1 is vertically bent downwards to form a hook plate part 201, during operation, the hook plate part 201 is inserted into the incision, a sliding groove 202 is arranged at the top of the hook strip 2, the sliding groove 202 is arranged along the hook strip 2, a screw 3 is arranged between the sliding groove 202 and the insertion hole 101, the screw 3 is screwed into the insertion hole 101, and the insertion hole 101 is a threaded hole.

In a preferred embodiment of the present invention, a U-shaped rod 4 is fitted between two insertion holes 101 disposed at an interval, one insertion hole 101 is disposed between the two insertion holes 101, the hook strip 2 is disposed at the middle position of the U-shaped rod 4, two end positions of the U-shaped rod 4 are both bent downward to form an insertion rod portion 401, the insertion rod portion 401 is inserted downward into the insertion hole 101, the diameter of the insertion rod portion 401 is smaller than the diameter of the insertion hole 101, a shaft sleeve 441 is welded at the middle position of the U-shaped rod 4, a rod 402 is fitted through the shaft sleeve 441, a bearing (not shown) is fitted between the rod 402 and the shaft sleeve 441, the bearing is a roller bearing, a screw 403 is processed at one end of the rod 402, a block 404 is processed at the other end, a hole 405 is provided at the outer wall of the block 404, a movable handle rod 406 is inserted into the hole 405, a first insertion hole 222 is formed in the top of the hook strip 2 and on the side far away from the hook plate portion 201, a first insertion rod portion 223 is fitted in the first insertion hole 222, a nut 224 is welded to the upper end of the first insertion rod portion 223, and the screw 403 penetrates through the nut 224; the structure is mainly used for conveniently and finely adjusting the retracting position of the pull hook strip, and the adjusting mode is as follows:

In a preferred embodiment of the present invention, the pitch of the screw is 0.55 mm.

In a preferred embodiment of the present invention, a stop ring 233 for limiting is processed at the outer wall of the first plunger portion 223, and the stop ring 233 is limited at the top position of the hook strip 2; the downward insertion depth of the first inserted link part can be limited by the arrangement of the retaining ring, and the screw and the nut are positioned on the same horizontal plane after the first inserted link part is inserted into the retaining ring, so that the screw can be conveniently assembled into the nut.

In a preferred embodiment of the present invention, the handle bar 406 has a limiting ball 466 threaded at both ends.

The utility model discloses in the embodiment of a preferred be equipped with the stop piece 333 of a rubber material on the screw 3, the stop piece contact the up end of hook strip can increase the frictional force between screw and the hook strip through the stop piece that sets up, and then promotes the fixed effect of screw to hook strip.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A surgical retractor is characterized in that: including a ring, when using, the incision that is retracted is located the inboard of ring the top ring shape of ring is provided with a plurality of jacks, the jack is vertical to run through the ring be equipped with the hook strip on the ring, the hook strip is located that the one end of ring inboard forms the hook plate part after the perpendicular downwarping, in operation, hook plate part inserts to the incision in the top of hook strip is provided with a spout, the spout along the hook strip sets up the spout with the cooperation has the screw between the jack, the screw in extremely in the jack, the jack is the screw hole.

2. The surgical retractor according to claim 1, wherein: a U-shaped rod is matched between two jacks which are arranged at intervals, the draw hook strip is positioned at the middle position of the U-shaped rod, the two ends of the U-shaped rod are bent downwards to form an inserted rod part, the inserted rod part is inserted into the insertion hole downwards, a shaft sleeve is welded at the middle position of the U-shaped rod, a rod piece is matched through the shaft sleeve, a bearing is matched between the rod piece and the shaft sleeve, a screw is processed at one end of the rod piece, a block is processed at the other end of the rod piece, a hole is arranged on the outer wall of the block body in a penetrating way, a movable handle rod is inserted in the hole, the top of the pull hook strip and the side, far away from the hook plate part, of the pull hook strip are provided with first insertion holes, first insertion rod parts are matched in the first insertion holes, nuts are welded at the upper ends of the first insertion rod parts, and the screw penetrates through the nuts.

3. The surgical retractor according to claim 2, wherein: the screw pitch of the screw is 0.55 mm-0.75 mm.

4. The surgical retractor according to claim 2, wherein: and a check ring for limiting is processed at the outer wall of the first inserted bar part, and the check ring is limited at the top of the pull hook strip.

5. The surgical retractor according to claim 2, wherein: and two ends of the handle rod are in threaded connection with limiting balls.

6. The surgical retractor according to claim 1, wherein: and a stop piece made of rubber is assembled on the screw and contacts with the upper end surface of the pull hook strip.