CN211704713U

CN211704713U - Fixed retractor

Info

Publication number: CN211704713U
Application number: CN201921974392.6U
Authority: CN
Inventors: 路鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-10-20
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a fixed retractor, including two lead out the clamp and organize the organ to lift the pole that are used for the centre gripping on patient's abdominal cavity wall, the one end that the organ lifted the pole is led out with one of them and is pressed from both sides and link to each other through the steel wire, the other end leads out with another and presss from both sides and link to each other through the steel wire, lead out the linkage piece that presss from both sides the set casing and follow lead out to press from both sides set casing length to direction sliding connection of the clamp of including rectangular shape, be equipped with the elastic component that resets between linkage piece and the lead out clamp set casing, lead out to be provided with the centre gripping subassembly on the clamp set casing, order about the centre gripping subassembly to open and shut when the relative slip takes place for. The utility model discloses a two clamp centre grippings of drawing back are on abdominal cavity wall, give the holding power that the tissue organ lifts the pole and is enough to support its tissue organ, then utilize the tissue organ to lift the pole and lift up the tissue organ and hold to can open up the field of vision for minimal access surgery well, be favorable to the doctor to perform the operation.

Description

Fixed retractor

Technical Field

The utility model relates to the technical field of minimally invasive surgical instruments, in particular to a fixed retractor.

Background

Minimally invasive surgery, as the name implies, is minimally invasive surgery. Refers to an operation performed by using modern medical instruments such as laparoscope, thoracoscope and the like and related equipment. Minimally invasive surgery has the advantages that small trauma, light pain and quick recovery are the dream of every patient needing surgery, and the dream is realized by the minimally invasive surgery.

The existing minimally invasive surgical instruments are various and basically require doctors to operate from the outside of the human body, such as surgical scissors, graspers and the like. These surgical instruments all need the doctor to operate when using, sometimes, when carrying out the operation, the position that needs the target to can be sheltered from or covered by the tissue apparatus official etc. in patient's abdominal cavity, then need the doctor to reuse current apparatus instrument to open, support this moment, have so very big degree hindered the operation to go on, delayed the time of operation, have increased the risk of operation in the intangible.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a fixed retractor.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a fixed retractor, includes that two are used for the centre gripping to lead out the clamp and organize the organ and lift the pole on patient's abdominal cavity wall, the one end that the organ lifted the pole with one of them leads out the clamp and link to each other through the steel wire, the other end leads out the clamp with another and links to each other through the steel wire, lead out the clamp and include the fixed shell of the clamp that leads out of rectangular shape and follow the linkage piece that leads out the fixed shell length of clamp to direction sliding connection, be equipped with the elastic component that resets between linkage piece and the fixed shell of the clamp that leads out, lead out to press from both sides and be provided with the centre gripping subassembly on the fixed shell, order about the centre gripping subassembly to open and shut when the relative slip takes place for.

Furthermore, the clamping assembly comprises two clamping blocks which are rotatably connected to one end of the retracting clamp fixing shell, sliding grooves are formed in the clamping blocks, sliding blocks matched with the sliding grooves are convexly arranged on the linkage piece, and the clamping blocks are opened and closed through the matching of the sliding grooves and the sliding blocks and the matching of the linkage piece and the retracting clamp fixing shell.

Furthermore, the shape of the retracting clip fixing shell is cylindrical, a circle of convex edge is convexly arranged at one end of the retracting clip fixing shell, a through groove penetrating through the side wall of the retracting clip fixing shell is formed in the retracting clip fixing shell, a slot communicated to the through groove and used for sliding of the linkage piece is formed in one end of the retracting clip fixing shell, two clamping blocks are convexly arranged at one end, extending into the retracting clip fixing shell, of the linkage piece along the direction of the through groove, the clamping blocks extend out of the retracting clip fixing shell, one end of the reset elastic piece abuts against the clamping blocks, the other end of the reset elastic piece abuts against the convex edge, and the clamping blocks extend towards the direction close to the clamping blocks.

Furthermore, one end of the linkage piece, which is far away from the fixed shell of the retracting clamp, is provided with a draw hook. Through additionally arranging the draw hook, the linkage part can be better pulled to slide relative to the fixed shell of the retracting clamp, and the clamping function is completed.

Furthermore, the tissue organ lifting rod comprises a lifting rod sleeve and a lifting rod inner rod, the lifting rod sleeve is of a cylindrical structure with one end sealed, the lifting rod inner rod is cylindrical, the lifting rod sleeve is sleeved outside the lifting rod inner rod and is in sliding connection with the lifting rod inner rod, one end of the lifting rod sleeve, which is sealed, is connected with the retracting clamp, and one end of the lifting rod inner rod, which extends out of the lifting rod sleeve, is connected with the retracting clamp. Therefore, the length of the tissue organ lifting rod can be adjusted adaptively according to different tissue organs, and the use is more convenient.

Further, a tension spring is arranged between the rod lifting sleeve and the rod lifting inner rod, one end of the tension spring is fixedly connected with the closed end face of the inner side of the rod lifting sleeve, and the other end of the tension spring is fixedly connected with the end face of one end of the rod lifting inner rod, which extends into the rod lifting sleeve. The design enables the tissue organ lifting rod to automatically contract under a normal state, and the supporting force between the two retracting clamps is indirectly increased due to the existence of the tension spring, so that the tissue organ lifting rod can be lifted more stably.

Compared with the prior art, the utility model, have following advantage:

the utility model discloses a two lead out to press from both sides the centre gripping on abdominal cavity wall, give the holding power that the tissue organ lifts the pole and is enough to support its tissue organ, then utilize the tissue organ to lift the pole and lift up the tissue organ and hold to can open up the field of vision for minimal access surgery well, reduce the operation degree of difficulty, be favorable to the doctor to perform the operation. The pull hook is additionally arranged on the tissue organ, so that a doctor can pull the pull clip and the tissue organ clip to use when using the tissue organ, and the tissue organ lifting rod is of a telescopic structure and can adapt to tissue organs with different lengths and sizes and support the tissue organs.

Drawings

Fig. 1 is a schematic overall structure of a fixed retractor;

fig. 2 is a schematic cross-sectional view of the overall internal structure of the stationary retractor;

FIG. 3 is a schematic cross-sectional view of the interior of the retracting clip portion of the fixed retractor;

description of reference numerals: 1. retracting the clips; 11. a retracting clip fixing shell; 111. a through groove; 112. grooving; 113. a convex edge; 12. A linkage member; 121. a clamping block; 13. a restoring elastic member; 14. a clamping assembly; 141. a clamping block; 142. a slider; 143. a chute; 15. pulling a hook; 2. lifting the tissue and organ; 21. a rod lifting sleeve; 22. lifting the inner rod of the rod; 23. a tension spring; 3. a steel wire.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Examples

As shown in figure 1, the fixed retractor comprises two retraction clamps 1 and a tissue organ lifting rod 2, wherein the two retraction clamps 1 are used for being clamped on the abdominal wall of a patient, one end of the tissue organ lifting rod 2 is connected with one of the retraction clamps 1 through a steel wire 3, the other end of the tissue organ lifting rod is connected with the other retraction clamp 1 through the steel wire 3, the whole tissue organ lifting rod 2 is cylindrical, the whole retraction clamp 1 is of a structure similar to the cylinder, and the radiuses of the two retraction clamps are similar, so that the tissue organ lifting rod can be better fed into the abdominal cavity of the human body from a puncture hole to be clamped. In order to avoid the defects of barbs and the like in the production process of the steel wire 3, a layer of medical soft rubber tube can be sleeved on the steel wire 3.

As shown in fig. 3, the retracting clip 1 includes a cylindrical retracting clip fixing shell 11 and a linkage member 12 slidably connected to the retracting clip fixing shell 11 along a length direction thereof, a restoring elastic member 13 is disposed between the linkage member 12 and the retracting clip fixing shell 11, a clamping assembly 14 is disposed on the retracting clip fixing shell 11, the clamping assembly 14 is driven to open and close when the linkage member 12 and the retracting clip fixing shell 11 slide relatively, and when the restoring elastic member 13 is in a natural state, the clamping assembly 14 is in a clamping state.

The one end of the fixed housing 11 of the retracting clip is provided with a convex edge 113, the fixed housing 11 of the retracting clip is provided with a through groove 111 penetrating through the side wall thereof, one end of the fixed housing 11 of the retracting clip is provided with a slot 112 communicating with the through groove 111 for sliding the linkage member 12, the linkage member 12 extends into one end of the fixed housing 11 of the retracting clip and is provided with two fixture blocks 121 along the direction of the through groove 111, the fixture blocks 121 extend out of the fixed housing 11 of the retracting clip, the elastic restoring member 13 can be a spring, one end of the elastic restoring member is abutted against the fixture blocks 121, the other end of the elastic restoring member is abutted against the convex edge 113, and the fixture blocks 121 extend towards the direction. The clamping assembly 14 includes two clamping blocks 141 rotatably connected to one end of the fixing housing 11, and the shape and structure of the clamping blocks 141 can be adjusted, and can be a planar block structure or a hook structure. The clamping block 141 is provided with a sliding groove 143, the linkage piece 12 is convexly provided with a sliding block 142 matched with the sliding groove 143, and the clamping block 141 is opened and closed through the matching of the sliding groove 143 and the sliding block 142 and the sliding between the linkage piece 12 and the retracting clamp fixing shell 11.

When the linkage member 12 and the retracting clip fixing shell 11 slide relatively, the clamping block 141 and the retracting clip fixing shell 11 are hinged, so that under the matching of the sliding block 142 and the sliding groove 143, the clamping block 141 can have corresponding opening and closing actions along with the sliding of the linkage member 12, and the effect of linkage opening and closing is achieved.

In order to minimize the maximum width of the clip 1, the coupling member 12 and the clip housing 11 are arranged coaxially to allow better insertion into the body through the puncture. Meanwhile, in order to better operate in a human body, one end of the linkage piece 12, which is far away from the retracting clamp fixing shell 11, is provided with a draw hook 15, and relative sliding between the fixing shell and the linkage piece 12 can be better realized by utilizing the draw hook 15.

As shown in fig. 2, the tissue organ lifting rod 2 includes a lifting rod sleeve 21 and a lifting rod inner rod 22, the lifting rod sleeve 21 is a cylindrical structure with one end closed, the lifting rod inner rod 22 is cylindrical, and the lifting rod sleeve 21 is sleeved outside the lifting rod inner rod 22 and is connected with the lifting rod inner rod 22 in a sliding manner. The closed end of the rod lifting rod sleeve 21 is connected with the retracting clamp 1, and the end of the rod lifting inner rod 22 extending out of the rod lifting rod sleeve 21 is connected with the retracting clamp 1. In order to prevent the rod-lifting inner rod 22 from being completely retracted into the rod-lifting rod sleeve 21, a convex edge can be additionally arranged at one end of the rod-lifting inner rod 22, which extends out of the rod-lifting rod sleeve 21; in order to prevent the rod lifting inner rod 22 from being completely separated from the rod lifting sleeve 21, corresponding limiting structures can be additionally arranged on the rod lifting inner rod 22 and the rod lifting sleeve 21, and the specific limiting structures are not limited, so that only corresponding functions can be met. Therefore, the length of the tissue organ lifting rod 2 can be adjusted adaptively according to different tissue organs, and the use is more convenient.

Preferably, a tension spring 23 may be further disposed between the rod lifting sleeve 21 and the rod lifting inner rod 22, one end of the tension spring 23 is fixedly connected to the closed end surface of the inner side of the rod lifting sleeve 21, and the other end of the tension spring 23 is fixedly connected to the end surface of one end of the rod lifting inner rod 22 extending into the rod lifting sleeve 21. The design is that the tissue organ lifting rod 2 can automatically contract under the normal state, and the supporting force between the two retracting clamps 1 is indirectly increased due to the tension spring 23, so that the tissue organ lifting rod 2 can be lifted more stably.

Specifically when using, at first will the utility model discloses a fixed retractor is whole send into human abdominal cavity at first, then utilizes instrument pulling linkage 12 earlier, makes one of them lead out the centre gripping subassembly 14 that presss from both sides 1 and opens, centre gripping such as distance as required on patient's abdominal cavity wall, then adopts the same step to lead out another and lead out clamp 1 centre gripping in another department of patient's abdominal cavity wall, utilizes telescopic tissue organ to lift up 2 with the tissue organ, reaches the extension operation field of vision purpose. Finally, after the use, the linkage piece 12 is pulled successively, the clamping of the retracting clip 1 can be loosened, and then the utility model can be taken out completely.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A fixed retractor, comprising: comprises two retraction clamps (1) used for clamping the abdominal cavity wall of a patient and a tissue organ lifting rod (2), one end of the tissue organ lifting rod (2) is connected with one of the retracting clamps (1) through a steel wire (3), the other end is connected with the other retracting clamp (1) through a steel wire (3), the retracting clip (1) comprises a long-strip retracting clip fixing shell (11) and a linkage piece (12) which is connected with the retracting clip fixing shell (11) in a sliding way along the length direction, a reset elastic piece (13) is arranged between the linkage piece (12) and the fixed shell (11) of the retracting clip, the retractable clip is characterized in that a clamping assembly (14) is arranged on the retractable clip fixing shell (11), the clamping assembly (14) is driven to open and close when the linkage piece (12) and the retractable clip fixing shell (11) slide relatively, and the clamping assembly (14) is in a clamping state when the reset elastic piece (13) is in a natural state.

2. The fixed retractor of claim 1, wherein: the clamping assembly (14) comprises two clamping blocks (141) which are rotatably connected to one end of the retracting clamp fixing shell (11), a sliding groove (143) is formed in each clamping block (141), a sliding block (142) matched with the sliding groove (143) is arranged on the linkage piece (12) in a protruding mode, and the clamping blocks (141) are opened and closed through matching of the sliding groove (143) and the sliding block (142) and matching of the linkage piece (12) and the retracting clamp fixing shell (11).

3. The fixed retractor of claim 2, wherein: the shape of the retracting clamp fixing shell (11) is cylindrical, one end of the retracting clamp fixing shell is convexly provided with a circle of convex edge (113), a through groove (111) penetrating through the side wall of the retracting clamp fixing shell (11) is formed in the retracting clamp fixing shell (11), one end of the retracting clamp fixing shell (11) is provided with a groove (112) communicated with the through groove (111) and used for sliding a linkage piece (12), the linkage piece (12) stretches into one end of the retracting clamp fixing shell (11) and is convexly provided with two clamping blocks (121) along the direction of the through groove (111), the clamping blocks (121) stretch out of the retracting clamp fixing shell (11), one end of the resetting elastic piece (13) is abutted to the clamping blocks (121), the other end of the resetting elastic piece is abutted to the convex edge (113), and the clamping blocks (121) extend towards the direction close to the clamping blocks (141.

4. The fixed retractor of claim 1, wherein: one end of the linkage piece (12) far away from the fixed casing (11) of the retracting clamp is provided with a draw hook (15).

5. The fixed retractor of claim 1, wherein: the tissue organ lifting rod (2) comprises a lifting rod sleeve (21) and a lifting rod inner rod (22), wherein the lifting rod sleeve (21) is of a cylindrical structure with one end sealed, the lifting rod inner rod (22) is cylindrical in shape, the lifting rod sleeve (21) is sleeved outside the lifting rod inner rod (22) and is in sliding connection with the lifting rod inner rod (22), one end of the lifting rod sleeve (21) sealed is connected with the retracting clamp (1), and one end of the lifting rod inner rod (22) extending out of the lifting rod sleeve (21) is connected with the retracting clamp (1).

6. The fixed retractor of claim 5, wherein: lift pole rod cover (21) and lift and be provided with extension spring (23) between pole rod (22), the one end of extension spring (23) with lift the inboard closed end face fixed connection of pole rod cover (21), the other end of extension spring (23) with lift the pole rod (22) and stretch into the terminal surface fixed connection who lifts the one end in pole rod cover (21).