CN209996385U

CN209996385U - retractor for surgical operation

Info

Publication number: CN209996385U
Application number: CN201920508482.XU
Authority: CN
Inventors: 刘耀光; 梁志波; 张丁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-31
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses an retractor for surgical operation, including the slider, the slider cover is established on parallel arrangement's lead screw and two guide rails, the both ends of two guide rails are connected respectively at connecting block, on the second connecting block, the end of lead screw is rotatable installs in connecting block, end runs through behind the second connecting block in addition and rotatory rocking handle fixed connection, the welding has the fender ring on the lead screw, the right-hand member face that keeps off the ring supports on the left end face of second connecting block, all be provided with detachable distraction arm on slider and the connecting block, be provided with rotation angle adjustable second distraction arm on distraction arm, it all is provided with a plurality of claws of retracting on distraction arm and the second distraction arm, it is rotatory to drive the lead screw through rotatory rocking handle, the lead screw passes through screw-thread fit and drives the slider and slides along the guide rail, realize keeping away from of two adjacent distraction arms.

Description

retractor for surgical operation

Technical Field

The utility model relates to the field of medical equipment, in particular to an retractor for surgical operation.

Background

When a surgical operation is performed, a retractor is often needed to assist the operation, the retractor can be used for retracting tissues, exposing an operation field and facilitating exploration and operation of a doctor, the retractor in the prior art is too large in adjustment range and difficult to accurately position, the size of the retractor needs to be adjusted again every times, excessive parts are exposed due to the fact that the size is too large, infection is easily caused, suture of wounds is not facilitated, operation of the doctor is inconvenient due to too small size, working difficulty is increased for medical staff, pain is increased for a patient, and retractors for the surgical operation, which are accurate in adjustment range and positioning, are designed based on the above situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing retractors for surgical operation, which solves the problem that the adjustment range of the retractors in the prior art is too large and is difficult to be positioned accurately.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model discloses retractor for surgical operation, retractor for surgical operation, including the slider, the slider cover is established on parallel arrangement's lead screw and two guide rails, two the both ends of guide rail are connected respectively on connecting block, second connecting block, the end of lead screw is rotatably installed in connecting block, end runs through behind the second connecting block with rotatory rocking handle fixed connection, the welding has the fender ring on the lead screw, the right-hand member face of fender ring supports on the left end face of second connecting block;

the slider and the connecting block are both provided with a detachable retracting arm, the retracting arm is provided with a second retracting arm with an adjustable rotation angle, and the retracting arm and the second retracting arm are both provided with a plurality of retracting claws;

the rotary rocking handle drives the lead screw to rotate, the lead screw drives the sliding block to horizontally slide along the guide rail through thread fit, and the th stretching arm is kept away from each other.

, an inserting groove is formed in the sliding block and the connecting block, the lower end of the retracting arm is inserted into the inserting groove and fixed through a fixed jackscrew, and the fixed jackscrew penetrates through the sliding block or the connecting block through thread fit and then the thread end of the fixed jackscrew abuts against the side face of the retracting arm.

, a th sliding hole and a second sliding hole are formed in the th retracting arm, and a third sliding hole is formed in the second retracting arm;

when the second retraction arm is vertically arranged, the third sliding hole is matched with the sliding hole or the second sliding hole and is connected and fastened through a bolt component;

each retracting claw is installed on the th sliding hole, the second sliding hole or the third sliding hole through a fastening bolt.

, a threaded hole is formed in the retracting claw, a threaded end of the fastening bolt penetrates through the sliding hole, the second sliding hole or the third sliding hole and then is screwed with the threaded hole, and a spacer for preventing looseness is arranged on the fastening bolt.

, the specification of the end of the second distraction arm is the same as the specification of the lower end of the distraction arm, and the end of the second distraction arm is inserted into the insertion groove and fixed by the fixing jackscrew.

, the lead screw is located between the two rails.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses retractor for surgical operation, it is main including connecting block, the slider, the lead screw, the guide rail, the second connecting block, tractive arm and second tractive arm, it slides along the guide rail to drive the slider through rotatory lead screw, realize keeping away from of two adjacent tractive arms, the claw of drawing on tractive arm expands the edge of a knife, adjust retractor opening size through the lead screw, effectual retractor amplitude of regulation among the prior art too big problem that is difficult to accurate location, and simultaneously, tractive arm and second tractive arm detachable install on connecting block and slider, be convenient for deposit or transport of this retractor, second tractive arm rotation angle adjustable installs on tractive arm, the adaptability of this retractor to patient edge of a knife size and shape has been improved, this retractor opening amplitude of regulation is accurate, patient's misery has been alleviateed, the doctor's operation of being convenient for, the medical staff's that alleviates greatly work degree of difficulty.

Drawings

The present invention will be described in further with reference to the following description of the drawings.

Fig. 1 is a schematic view of the surgical retractor of the present invention in state ;

fig. 2 is a schematic view of the state two of the surgical retractor of the present invention;

fig. 3 is a state three schematic view of the surgical retractor of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

fig. 5 is a schematic structural diagram of an th connecting block.

The reference numbers of the connecting blocks are 1, , 101, an inserting groove, 2, a sliding block, 3, a lead screw, 4, a guide rail, 5, a second connecting block, 501, a baffle ring, 6, a rotary rocking handle, 7, a fixed jackscrew, 8, , a retracting arm, 801, , a sliding hole, 802, a second sliding hole, 9, a retracting claw, 901, a threaded hole, 10, a second retracting arm, 1001, a third sliding hole, 11, a fastening bolt, 12 and a gasket.

Detailed Description

As shown in fig. 1 to 5, surgical retractors include a slider 2, the slider 2 is sleeved on a screw rod 3 and two guide rails 4 which are arranged in parallel, two ends of the two guide rails 4 are respectively connected to a th connecting block 1 and a second connecting block 5, specifically, the 0 th connecting block 1 and the second connecting block 5 are divided into two symmetrical parts, the two symmetrical parts are connected by bolts, positioning grooves for clamping the guide rails 4 are respectively arranged on opposite surfaces of the two parts, end portions of the guide rails 4 extend into the th connecting block 1 and the second connecting block 5 and are fixedly clamped by the positioning grooves, a end of the screw rod 3 is rotatably installed in the th connecting block 1, in addition, a end penetrates through the second connecting block 5 and is welded with a rotary rocking handle 6, in order to prevent the screw rod 3 from slipping, a blocking ring 501 is welded on the screw rod 3, a right end surface of the blocking ring 501 abuts against a left end surface of the second connecting block 5, detachable th opening arm 8 is arranged on each of the slider 2 and , a second opening arm with a plurality of opening claws 10 is arranged on the th opening arm 8.

The lead screw 3 is driven to rotate through the rotary rocking handle 6, the lead screw 3 drives the sliding block 2 to slide along the guide rail 4 through thread fit, and the separation of two adjacent -th retracting arms 8 is realized.

As shown in fig. 1 and 5, the slider 2 and the th connecting block 1 are provided with an insertion groove 101, the lower end of the th retracting arm 8 is inserted into the insertion groove 101 and fixed by a fixing jackscrew 7, the fixing jackscrew 7 penetrates through the slider 2 or the th connecting block 1 through screw-thread fit and the rear screw thread end abuts against the side surface of the th retracting arm 8, the th retracting arm 8 is provided with a th sliding hole 801 and a second sliding hole 802, and the second retracting arm 10 is provided with a third sliding hole 1001.

As shown in fig. 1, when the second retraction arm 10 is disposed obliquely, the third slide hole 1001 is engaged with the th slide hole 801 and the second slide hole 802 and is fastened by a bolt assembly, as shown in fig. 2, when the second retraction arm 10 is disposed vertically, the third slide hole 1001 is engaged with the th slide hole 801 or the second slide hole 802 and is fastened by a bolt assembly, and each retraction claw 9 is mounted on the th slide hole 801, the second slide hole 802 or the third slide hole 1001 by a fastening bolt 11.

As shown in FIG. 4, a screw hole 901 is provided in the retracting claw 9, and a screw end of the fastening bolt 11 is screwed into the screw hole 901 after passing through the th slide hole 801, the second slide hole 802 or the third slide hole 1001, and a washer 12 for preventing loosening is provided on the fastening bolt 11.

As shown in figure 3, in order to expand the versatility of the second retraction arm 10, the specification of the end of the second retraction arm 10 is the same as that of the lower end of the th retraction arm 8, and the end of the second retraction arm 10 is inserted into the insertion slot 101 and fixed by the fixing jackscrew 7.

In order to facilitate the adjustment of the screw 3, the screw 3 is in this embodiment located between two guide rails 4.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

The surgical retractor is characterized by comprising a sliding block (2), wherein the sliding block (2) is sleeved on a lead screw (3) and two guide rails (4) which are arranged in parallel, two ends of the two guide rails (4) are respectively connected to a -th connecting block (1) and a second connecting block (5), the end of the lead screw (3) is rotatably installed in the -th connecting block (1), the other end penetrates through the second connecting block (5) and then is fixedly connected with a rotary rocking handle (6), a blocking ring (501) is welded on the lead screw (3), and the right end face of the blocking ring (501) abuts against the left end face of the second connecting block (5);

the slider (2) and the th connecting block (1) are respectively provided with a detachable retraction arm (8), the th retraction arm (8) is provided with a second retraction arm (10) with an adjustable rotation angle, and the th retraction arm (8) and the second retraction arm (10) are respectively provided with a plurality of retraction claws (9);

through rotatory rocking handle (6) drive lead screw (3) are rotatory, lead screw (3) drive through screw-thread fit slider (2) are followed guide rail (4) horizontal slip realizes adjacent two keeping away from of tractive arm (8).
2. The surgical retractor according to claim 1, wherein the slider (2) and the th connecting block (1) are provided with an insertion groove (101), the lower end of the th retraction arm (8) is inserted into the insertion groove (101) and fixed by a fixed jackscrew (7), and the fixed jackscrew (7) penetrates through the slider (2) or the th connecting block (1) through threaded fit and the rear threaded end abuts against the side surface of the th retraction arm (8).
3. The surgical retractor according to claim 2, wherein the th retractor arm (8) is provided with a th sliding hole (801) and a second sliding hole (802), and the second retractor arm (10) is provided with a third sliding hole (1001);

when the second retraction arm (10) is vertically arranged, the third sliding hole (1001) is matched with the sliding hole (801) or the second sliding hole (802) and is connected and fastened through a bolt assembly;

each retracting claw (9) is attached to the th slide hole (801), the second slide hole (802) or the third slide hole (1001) by a fastening bolt (11).
4. The surgical retractor according to claim 3, wherein the retracting claw (9) is provided with a threaded hole (901), the threaded end of the fastening bolt (11) penetrates through the -th sliding hole (801), the second sliding hole (802) or the third sliding hole (1001) and then is screwed with the threaded hole (901), and the fastening bolt (11) is provided with a spacer (12) for preventing looseness.
5. The surgical retractor according to claim 2, wherein the end of the second retractor arm (10) has the same size as the lower end of the -th retractor arm (8), and the end of the second retractor arm (10) is inserted into the insertion slot (101) and fixed by the fixing jackscrew (7).
6. The surgical retractor of claim 1, wherein: the screw rod (3) is positioned between the two guide rails (4).