CN213722157U

CN213722157U - Retractor for operation

Info

Publication number: CN213722157U
Application number: CN202021976580.5U
Authority: CN
Inventors: 于海龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-07-20
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a retractor for operation, including the expansion frame, the lower extreme of expansion frame passes through the deformation arm to be connected, wholly is the U type, and the tip of expansion frame articulates there is the linking arm, the main drag hook of tip fixedly connected with of linking arm, the lower extreme of linking arm is fixed with the arc pole, and the upside of arc pole is equipped with the rack, and arc pole sliding connection is in the guide slot of expansion frame, the upside of guide slot is equipped with the fixation carrier, and the fixation carrier inboard is the recess of gear form, and it has the bolt to peg graft in the fixation carrier, and the tip of bolt be with the arc pole on rack meshing's gear, the utility model discloses a briquetting and the opening angle of removal arm adjustment expansion frame, it is convenient to adjust, and self-locking ability is strong, simultaneously, through the multiplicable opening point of the vice drag hook and the fixing bolt that set up, easy operation is stable, adjusts going on convenient operation.

Description

Retractor for operation

Technical Field

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

Background

The retractor is also called a retractor, is used for retracting body tissues, reveals the tissue range needing operations, is convenient for the exploration and operation of medical personnel, can be divided into two types of handheld retractor and automatic retractor, has specifications of various different shapes and sizes according to the difference of the actual use environment, and can select a proper retractor according to the operation requirements during actual use, such as thyroid retractor, abdominal cavity retractor, skin retractor, S-shaped retractor, automatic retractor and the like.

Patent application publication No. CN 205433777U's utility model discloses a retractor is used in department of general surgery's operation, reserve on the articulated seat top plectane of gear has a spacing hole, and axle center department is equipped with axial gear shaft between two plectanes, and gear shaft one end stretches out from the articulated seat top plectane face of gear, and on the gear fixed gear axle, the cover has a knob on the gear shaft extension, is equipped with a spacing post on the epaxial knob bottom surface of gear. The retractor can avoid the situation that the retractor is loosened in the operation process through the structures such as the limiting columns, the limiting holes and the like, and the operation is safe. However, in actual use, the gear can move along the rack only by multiple operations, so that the retractor deforms, the defects that the operation steps are complex, the operation time is prolonged, and the operation efficiency is reduced still exist, the actual use effect is not ideal enough, and for the operation of retracting at multiple points, a plurality of retractors are needed, so that the field situation is complex, and the use is inconvenient. Therefore, the utility model provides a retractor for operation to solve the problems proposed in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a retractor for operation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a retractor for operation comprises an expansion frame, wherein the lower end of the expansion frame is connected through a deformation arm, the expansion frame is U-shaped as a whole, the end part of the expansion frame is hinged with a connecting arm, and the end part of the connecting arm is fixedly connected with a main drag hook;

the front side of the expansion frame is provided with a sliding chute, the sliding chute is connected with a U-shaped frame in a sliding manner, the rear end of the U-shaped frame is connected with a sliding rod in a sliding manner, the end part of the sliding rod is hinged with an auxiliary drag hook, the middle part of the U-shaped frame has rebound elasticity, the front side of the U-shaped frame is provided with a slotted hole, a threaded rod is connected in the slotted hole in a sliding manner, the rear end of the threaded rod is fixedly connected onto the sliding rod, the threaded rod is connected with a fixing bolt in a threaded manner, the upper end of the middle part of the deformation arm is fixed with a reinforcing block, a through hole which penetrates through the reinforcing block from left to right is arranged in the reinforcing block, a moving arm is connected in the through hole in a sliding manner, one side opposite to the moving arm is provided with a rack, the rack is meshed with a plurality of rotating gears, the front end of each rotating gear is connected with a rotating shaft, a brake pad is arranged below the rotating shaft and connected with a pressing block, the pressing block is connected in the clamping groove in a sliding manner, a first spring is arranged between the lower end of the front side of the pressing block and the clamping groove, the other end of the transmission rod is hinged with a turnover fixture block.

As a further aspect of the present invention, the lower end of the connecting arm is fixed with an arc-shaped rod, the upper side of the arc-shaped rod is provided with a rack, and the arc-shaped rod is slidably connected in the guide groove of the expansion frame.

As the utility model discloses scheme further still, the upside of guide slot is equipped with the fixed gear frame, and the fixed gear frame inboard is the recess of gear form, and it has the bolt to peg graft in the fixed gear frame, the tip of bolt for with arc pole on the gear of rack toothing, through inserting the bolt, position between fixed arc pole and the fixed gear frame to the angle of fixed link arm improves the stability after leading out.

As a further proposal of the utility model, the fixing bolt is a straight line or a cross, which is convenient to rotate.

As the utility model discloses scheme further again, the one end of removal arm is fixed on the expansion frame, and the other end passes through spring two to be connected on the expansion frame, and the outside parcel of spring two has the bellows.

As the utility model discloses further scheme again, the upset fixture block is the L type, and the upper end of briquetting is equipped with the joint groove that matches with the upset fixture block, and when pressing the briquetting, the joint groove skims over the upset fixture block, and the upset fixture block is under the effect of gravity or manual upset, loosens the briquetting, and the upper end butt of briquetting accomplishes relieving of locking on the upset fixture block, when needing the chucking, only need press the briquetting after, rotate the upset fixture block, utilize spring one can.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a briquetting and moving arm adjustment expansion frame open the angle, it is convenient to adjust, and self-locking ability is strong, fixes main drag hook, improves the stability after opening.

2. The auxiliary drag hook and the fixing bolt can increase the opening point, the operation is simple and stable, and the adjustment is convenient for the operation.

Drawings

Fig. 1 is a front view of a surgical retractor.

Fig. 2 is an enlarged structural view of a rotation gear B in fig. 1.

Fig. 3 is a schematic view of a press block in the surgical retractor.

Fig. 4 is an enlarged schematic view of a in fig. 1.

Fig. 5 is a schematic perspective view of a roll-over block in a surgical retractor.

In the figure: 1. an expansion frame; 2. a main drag hook; 3. a connecting arm; 4. an arcuate bar; 5. a fixed gear rack; 6. a bolt; 7. a chute; 8. a U-shaped frame; 9. a secondary drag hook; 10. a threaded rod; 11. fixing the bolt; 12. a deformation arm; 13. a reinforcing block; 14. a moving arm; 15. a rotating gear; 16. a rotating shaft; 17. a brake sheet; 18. briquetting; 19. a first spring; 20. turning over the fixture block; 21. a transmission rod; 22. and a second spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, an operation retractor includes an expansion frame 1, a lower end of the expansion frame 1 is connected by a deformation arm 12, the expansion frame is U-shaped as a whole, an end of the expansion frame 1 is hinged with a connecting arm 3, an end of the connecting arm 3 is fixedly connected with a main drag hook 2, a lower end of the connecting arm 3 is fixed with an arc rod 4, an upper side of the arc rod 4 is provided with a rack, the arc rod 4 is slidably connected in a guide groove of the expansion frame 1, an upper side of the guide groove is provided with a fixing gear rack 5, an inner side of the fixing gear rack 5 is a gear-shaped groove, a bolt 6 is inserted in the fixing gear rack 5, an end of the bolt 6 is a gear engaged with the rack on the arc rod 4, and the bolt 6 is inserted to fix a position between the arc rod 4 and the fixing gear rack 5, thereby fixing an angle of the connecting arm 3 and improving stability after retraction;

the front side of the expansion frame 1 is provided with a chute 7, the chute 7 is internally and slidably connected with a U-shaped frame 8, the rear end of the U-shaped frame 8 is slidably connected with a slide rod, the end part of the slide rod is hinged with an auxiliary drag hook 9, the middle part of the U-shaped frame 8 has resilience, the front side of the U-shaped frame 8 is provided with a slotted hole, the slotted hole is internally and slidably connected with a threaded rod 10, the rear end of the threaded rod 10 is fixedly connected with the slide rod, the threaded rod 10 is in threaded connection with a fixing bolt 11, the fixing bolt 11 is in a straight shape or a cross shape and is convenient to rotate, the upper end of the middle part of the deformation arm 12 is fixedly provided with a strengthening block 13, a through hole penetrating from left to right is arranged in the strengthening block 13, a moving arm 14 is slidably connected in the hole, one end of the moving arm 14 is fixed on the expansion frame 1, the other end of the moving arm is connected on the expansion frame 1 through a second spring 22, the outer side of the second spring 22 is wrapped with a corrugated pipe, one side opposite to the moving arm 14 is provided with a rack, the rack is engaged with a plurality of rotating gears 15, the front end of each rotating gear 15 is connected with a rotating shaft 16, a brake sheet 17 is arranged below the rotating shaft 16, the brake sheet 17 is connected with a press block 18, the press block 18 is slidably connected in a clamping groove at the front side of the reinforcing block 13, a first spring 19 is arranged between the lower end of the pressing block 18 and the clamping groove, the middle part of the front side of the clamping groove of the reinforcing block 13 is rotatably connected with a transmission rod 21, the other end of the transmission rod 21 is hinged with a turning fixture block 20, the turning fixture block 20 is L-shaped, the upper end of the pressing block 18 is provided with a clamping groove matched with the turning fixture block 20, when the pressing block 18 is pressed, the clamping groove sweeps over the overturning clamping block 20, the overturning clamping block 20 overturns under the action of gravity or manually, the pressing block 18 is loosened, the upper end of the pressing block 18 abuts against the overturning clamping block 20, unlocking is completed, when clamping is needed, the overturning clamping block 20 is rotated after the pressing block 18 is pressed, and the first spring 19 is utilized.

The utility model discloses a theory of operation is: when the multi-point retractor is used, an incision is separated through the main retractor 2, the position between the arc-shaped rod 4 and the fixed gear rack 5 is fixed through inserting the bolt 6, so that the angle of the connecting arm 3 is fixed, the stability after retraction is improved, when the pressing block 18 is pressed, the clamping groove sweeps over the overturning clamping block 20, the overturning clamping block 20 overturns under the action of gravity or manually, the pressing block 18 is loosened, the upper end of the pressing block 18 abuts against the overturning clamping block 20 to complete the unlocking, the expansion frame 1 is manually opened, when the designated size is reached, the pressing block 18 is pressed, the overturning clamping block 20 is rotated, the brake sheet 17 is driven by the spring I19 to fix the rotating gear 15, further the position of the moving arm 14 is fixed, when multi-point retraction is needed, the expansion is carried out through the auxiliary retractor 9, the position of the auxiliary retractor 9 is adjusted through the threaded rod 10, the size of the opening is controlled, the distance of the sliding chute 7 is adjusted, after the adjustment is finished, the fixing bolt 11 is screwed, the threaded rod 10 and the sliding rod are fixed and are clamped on the expansion frame 1 through the U-shaped frame 8, and the fixation is completed.

The utility model discloses a briquetting 18 and 14 adjustment expansion frame 1's of carriage release arm open the angle, and it is convenient to adjust, and self-locking ability is strong, simultaneously, through the vice drag hook 9 and the 11 multiplicable points of opening of fixing bolt that set up, easy operation is stable, adjusts going on of making things convenient for the operation, fixes main drag hook, improves the stability after opening.

The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A retractor for operation comprises an expansion frame (1), and is characterized in that the lower end of the expansion frame (1) is connected through a deformation arm (12), the expansion frame is U-shaped as a whole, a connecting arm (3) is hinged to the end of the expansion frame (1), and a main drag hook (2) is fixedly connected to the end of the connecting arm (3);

the front side of the expansion frame (1) is provided with a sliding chute (7), the sliding chute (7) is internally and slidably connected with a U-shaped frame (8), the rear end of the U-shaped frame (8) is slidably connected with a sliding rod, the end part of the sliding rod is hinged with an auxiliary drag hook (9), the middle part of the U-shaped frame (8) has resilience, the front side of the U-shaped frame (8) is provided with a slotted hole, the slotted hole is internally and slidably connected with a threaded rod (10), the rear end of the threaded rod (10) is fixedly connected on the sliding rod, the threaded rod (10) is connected with a fixing bolt (11) in a threaded manner, the upper end of the middle part of the deformation arm (12) is fixedly provided with a strengthening block (13), a through hole which penetrates left and right is arranged in the strengthening block (13), a moving arm (14) is slidably connected in the hole, one side, opposite to the moving arm (14) is provided with a rack, a plurality of rotating gears (15) are meshed with the rack, the front end of the rotating gear (15) is connected with a rotating shaft (16), the below of pivot (16) is equipped with and stops piece (17), stops piece (17) and is connected with briquetting (18), briquetting (18) sliding connection in the draw-in groove of strengthening piece (13) front side, and is equipped with spring (19) between the lower extreme of briquetting (18) and the draw-in groove, the draw-in groove front side middle part of strengthening piece (13) rotates and is connected with transfer line (21), and the other end of transfer line (21) articulates there is upset fixture block (20).

2. The surgical retractor according to claim 1, wherein the lower end of the connecting arm (3) is fixed with an arc-shaped rod (4), the upper side of the arc-shaped rod (4) is provided with a rack, and the arc-shaped rod (4) is slidably connected in a guide groove of the expansion frame (1).

3. The surgical retractor according to claim 2, wherein a fixing gear rack (5) is arranged on the upper side of the guide groove of the expansion frame (1), the inner side of the fixing gear rack (5) is a gear-shaped groove, a plug pin (6) is inserted into the fixing gear rack (5), and the end part of the plug pin (6) is a gear meshed with the rack on the arc-shaped rod (4).

4. A surgical retractor according to claim 1, wherein said fixing bolt (11) is of a straight or cross type.

5. The surgical retractor according to claim 1, wherein one end of the movable arm (14) is fixed on the expansion frame (1), the other end of the movable arm is connected to the expansion frame (1) through a second spring (22), and the outer side of the second spring (22) is wrapped with a corrugated pipe.

6. The surgical retractor according to claim 1, wherein the turning block (20) is L-shaped, and the upper end of the pressing block (18) is provided with a clamping groove matched with the turning block (20).