CN218279712U

CN218279712U - Tissue retracting and exposing retractor

Info

Publication number: CN218279712U
Application number: CN202221881536.5U
Authority: CN
Inventors: 曹妍群; 肖佳; 伍金枝; 易志勇
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-01-13
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a tissue retraction exposes drag hook, which comprises a fixed pedestal and i, unable adjustment base upper end position slidable mounting has the draw-bar frame that is vertical distribution, fixed mounting has the movable section of thick bamboo that is horizontal distribution on the draw-bar frame, activity section of thick bamboo circumference outer wall slidable mounting has the sliding sleeve, sliding sleeve circumference outer wall fixed mounting has the connecting rod, connecting rod end position fixed mounting has the ball cover, the inside slidable mounting of ball cover has the movable ball, the inside fixed mounting of movable ball has the pull hook pole, be provided with the pull hook end on the pull hook pole end position, activity section of thick bamboo inside rotation installs the screw thread push rod, and activity section of thick bamboo circumference inner wall slidable mounting has the screw thread locating piece, threaded connection between screw thread push rod and the screw thread locating piece, and screw thread locating piece circumference outer wall is evenly distributed fixed mounting and has the connecting pin piece, the activity that connecting pin piece matches is seted up to activity section of thick bamboo circumference outer wall leads to the groove. The utility model can freely adjust the size of the retracting wound without investing extra personnel.

Description

Tissue retracting and exposing retractor

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a tissue is led out and is exposed drag hook.

Background

The retractor, also called as retractor after its learning name, has the function of literally retracting the incision and exposing the operative field. For operations in different departments, the types of the draw hooks are different, and the simplicity of the draw hooks lies in exposure. The purpose of all the draw hooks is to make the operator see the object to be operated and to leave the space for operation. As long as the surgical field is well exposed, the target always completely appears in the visual field of the main knife, and the operation can be performed in a cloud and flowing water mode.

To operations such as thoracic cavity operation, bone surgery, need utilize to expose the drag hook and draw great wound, but to this type of wound, if adopt manual operation's mode, on the one hand can increase extra manual input to can influence the operator's normal operation and go on, on the other hand, at the in-process of manual work retracting the wound, can't be fine master according to operator's requirement and draw the wound size, if draw the opening great, can cause secondary damage to the patient, if draw the wound less, can't expose the target of operation completely, also can obstruct the operator's normal operation process, consequently, for solving this type of problem, we propose a tissue and draw and expose the drag hook.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tissue retraction exposure retractor.

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

a tissue retracting and exposing retractor comprises a fixed base, wherein a sliding rod frame which is vertically distributed is slidably mounted at the upper end position of the fixed base, a movable cylinder which is horizontally distributed is fixedly mounted on the sliding rod frame, a sliding sleeve is slidably mounted on the circumferential outer wall of the movable cylinder, a connecting rod is fixedly mounted on the circumferential outer wall of the sliding sleeve, a ball sleeve is fixedly mounted at the tail end position of the connecting rod, a movable ball is slidably mounted in the ball sleeve, a hook pulling rod is fixedly mounted in the movable ball, and a hook pulling end is arranged at the tail end position of the hook pulling rod;

the movable cylinder is internally and rotatably provided with a threaded push rod, a threaded positioning block is slidably arranged on the circumferential inner wall of the movable cylinder, the threaded push rod is in threaded connection with the threaded positioning block, a connecting pin block is fixedly arranged on the circumferential outer wall of the threaded positioning block in an evenly distributed manner, a movable through groove matched with the connecting pin block is formed in the circumferential outer wall of the movable cylinder, and the circumferential inner wall of the sliding sleeve is fixedly connected with the threaded positioning block through the connecting pin block.

Preferably, fastening screws are arranged on the ball sleeve and the fixed base, and the tail ends of the two fastening screws are respectively matched with the movable ball and the outer wall of the sliding rod frame.

Preferably, the lower end part of the fixed base is provided with two mounting interfaces, and the two mounting interfaces are symmetrically distributed along the slide bar frame.

Preferably, the connecting rod is inclined along a vertical plane.

Preferably, be provided with the coupling nut between draw hook end and the draw hook pole, rotate between coupling nut one end inner wall and the draw hook pole outer wall and be connected, just threaded connection between coupling nut other end inner wall and the draw hook end outer wall.

The utility model provides a tissue retractor exposes drag hook, beneficial effect lies in: this scheme adopts comparatively simple transmission structure in the use to can install fast on the operating table, through rotating the screw thread push rod, realize the removal of hook end in the horizontal direction, thereby control the wound according to the migration distance and lead out the size, need not extra personnel and drop into.

Drawings

Fig. 1 is a schematic structural view of a tissue retracting and exposing retractor according to the present invention;

FIG. 2 is a schematic view of the retractor end member of the tissue retracting and exposing retractor of the present invention;

fig. 3 is a sectional view of the movable tube part of the tissue retracting and exposing retractor provided by the utility model.

In the figure: 1. a fixed base; 2. a slide bar frame; 3. a sliding sleeve; 4. a connecting rod; 5. a movable barrel; 6. a ball sleeve; 7. a movable ball; 8. a fastening screw; 9. a drawbar; 10. a connecting nut; 11. a hook end; 12. a threaded push rod; 13. a movable through groove; 14. a connecting pin block; 15. and (5) a threaded positioning block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 being 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.

Referring to fig. 1-3, a tissue retraction exposure retractor comprises a fixed base 1, wherein a vertically-distributed slide bar frame 2 is slidably mounted at the upper end of the fixed base 1, a horizontally-distributed movable cylinder 5 is fixedly mounted on the slide bar frame 2, a slide sleeve 3 is slidably mounted on the circumferential outer wall of the movable cylinder 5, a connecting rod 4 is fixedly mounted on the circumferential outer wall of the slide sleeve 3, a ball sleeve 6 is fixedly mounted at the tail end of the connecting rod 4, a movable ball 7 is slidably mounted inside the ball sleeve 6, a retractor rod 9 is fixedly mounted inside the movable ball 7, and a retractor end 11 is arranged at the tail end of the retractor rod 9;

the utility model discloses a slide bar structure of a slide bar, including a movable cylinder 5, screw thread push rod 12 is installed to inside rotation of movable cylinder 5, just 5 circumference inner wall slidable mounting of movable cylinder has screw thread locating piece 15, threaded connection between screw thread push rod 12 and the screw thread locating piece 15, just 15 circumference outer walls of screw thread locating piece are evenly distributed fixed mounting and have connecting round pin piece 14, the movable logical groove 13 that connecting round pin piece 14 matches is seted up to 5 circumference outer walls of movable cylinder, through connecting round pin piece 14 looks fixed connection between 3 circumference inner walls of sliding sleeve and the screw thread locating piece 15, all be provided with fastening screw 8 on ball cover 6 and the unable adjustment base 1, two 8 end of fastening screw match respectively between movable ball 7 and the slide bar frame 2 outer walls, the tip is provided with two installation interfaces under unable adjustment base 1, two the installation interface is the symmetric distribution along slide bar frame 2, connecting rod 4 is the slope form along vertical plane, be provided with coupling nut 10 between coupling nut end 11 and the drag hook pole 9, rotate between coupling nut 10 one end inner wall and the drag hook pole 9 outer wall and be connected, just threaded connection between coupling nut 10 other end inner wall and the drag hook end 11 outer wall.

The use principle and the advantages are as follows: when the utility model is used, the whole structure can be arranged on the operating table through the fixed base 1 and arranged in a symmetrical mode along the width direction of the operating table;

in the operation process, the height of the slide bar frame 2 is adjusted up and down along the vertical direction, so that the distance between the draw hook rod 9 and the position of a patient window is adjusted, and the slide bar frame 2 is fixed through a fastening screw 8 on the position of the fixed base 1;

then, according to the operation requirement, the draw hook end 11 with different shapes is replaced, the draw hook end 11 is placed at the tail end position of the draw hook rod 9, and the connecting nut 10 is slowly rotated, so that the draw hook end 11 is installed on the draw hook rod 9;

when the wound is retracted, the distance of the sliding rod frame 2 in the vertical direction is adjusted again, so that the hook end 11 can just grasp the forehead tissue part on the wound, in the process, the fastening screw 8 on the ball sleeve 6 is loosened, the hook rod 9 can rotate in multiple angles, and in the process of matching retraction, when the hook rod 9 is located at the optimal angle position, the fastening screw 8 on the ball sleeve 6 is screwed again;

finally, the two threaded positioning blocks 15 are moved in the direction away from each other by rotating the threaded push rod 12, so that the wound with the corresponding size can be retracted.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The tissue retracting and exposing retractor is characterized by comprising a fixed base (1), wherein a sliding rod frame (2) which is vertically distributed is slidably mounted at the upper end of the fixed base (1), a movable barrel (5) which is horizontally distributed is fixedly mounted on the sliding rod frame (2), a sliding sleeve (3) is slidably mounted on the circumferential outer wall of the movable barrel (5), a connecting rod (4) is fixedly mounted on the circumferential outer wall of the sliding sleeve (3), a ball sleeve (6) is fixedly mounted at the tail end of the connecting rod (4), a movable ball (7) is slidably mounted in the ball sleeve (6), a retractor rod (9) is fixedly mounted in the movable ball (7), and a retractor end (11) is arranged at the tail end of the retractor rod (9);

a screw thread push rod (12) is installed in activity section of thick bamboo (5) internal rotation, just activity section of thick bamboo (5) circumference inner wall slidable mounting has screw thread locating piece (15), threaded connection between screw thread push rod (12) and screw thread locating piece (15), just screw thread locating piece (15) circumference outer wall is evenly distributed fixed mounting and has connecting pin piece (14), activity that connecting pin piece (14) matches is seted up to activity section of thick bamboo (5) circumference outer wall leads to groove (13), through connecting pin piece (14) looks fixed connection between sliding sleeve (3) circumference inner wall and screw thread locating piece (15).

2. The tissue retracting and exposing retractor according to claim 1, wherein the ball sleeve (6) and the fixed base (1) are respectively provided with a fastening screw (8), and the tail ends of the two fastening screws (8) are respectively matched with the movable ball (7) and the outer wall of the slide bar frame (2).

3. The tissue retracting and exposing retractor according to claim 1, wherein the lower end portion of the fixed base (1) is provided with two mounting ports, and the two mounting ports are symmetrically distributed along the slide bar frame (2).

4. A tissue retracting and exposing retractor according to claim 1, wherein the connecting rod (4) is inclined along a vertical plane.

5. The tissue retraction exposure retractor according to claim 1, wherein a connection nut (10) is arranged between the retractor end (11) and the retractor rod (9), the inner wall of one end of the connection nut (10) is rotatably connected with the outer wall of the retractor rod (9), and the inner wall of the other end of the connection nut (10) is in threaded connection with the outer wall of the retractor end (11).