CN209236236U

CN209236236U - A kind of thoracic surgery operation retractor device

Info

Publication number: CN209236236U
Application number: CN201821232967.2U
Authority: CN
Inventors: 申振盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-01
Filing date: 2018-08-01
Publication date: 2019-08-13
Anticipated expiration: 2028-08-01

Abstract

The utility model relates to a kind of thoracic surgery operation retractor devices, including bracket, the bracket is the rectangular box structure being made of four frames, there is stand bar structure at four angles of the bracket, hook mechanism is slidably connected on frame described in one of them, the hook mechanism includes U-type groove, the U-type groove includes upright side walls and the horizontal side wall for being fixed on upright side walls upper and lower ends, the first rack gear and the second rack gear are slidably connected in horizontal side wall described in two respectively, gear is engaged between first rack gear and the second rack gear, the gear is rotatably coupled in upright side walls, the first drag hook is connected on first rack gear, the second drag hook is connected on second rack gear, the operation retractor device of the utility model, reduce the quantity of operation assistant when use, reduce the labor intensity of operation assistant.

Description

A kind of thoracic surgery operation retractor device

Technical field

The utility model relates to the field of medical instrument technology, and in particular to a kind of thoracic surgery operation retractor device.

Background technique

In thoracic surgery, after integumentary musculature is cut, skin and muscle are held to both sides respectively using hook for surgery operation, Intermediate surgical field of view can just be exposed in this way, in existing thoracic surgery, need using two hook for surgery operation, by two masterhands Art assistant holds hook for surgery operation respectively and applies pulling force to both sides, and surgical field of view is exposed, and adopts this method and on the one hand needs to match Standby two operation assistants are located at notch both ends, affect surgical field of view to a certain extent, on the other hand, in surgical procedure, operation Assistant needs to hold drag hook always, and since muscle can be shunk, surgical field of view, hand can be kept by needing to be continuously applied very big power It is commonly present the phenomenon that drag hook is held in substitution when art midway, further increases the quantity of operation assistant and the labor of operation assistant Fatigue resistance.

Patent CN207462105U discloses a kind of shrinkable drag hook of thoracic surgery, realizes the automatic fixation of drag hook, But which employs structures such as complicated motor gear transmissions, processing is complicated, higher cost, and uses motor driven, pulling force It is not easily controlled, is easy to damage integumentary musculature.

Utility model content

Purpose of the utility model is to overcome the deficiencies of the above prior art and provide a kind of thoracic surgeries to be filled with hook for surgery operation Set, when use it is required operation assistant it is few, labor intensity is low, can be widely applied in thoracic surgery.

To achieve the above object, the utility model adopts the following technical solutions:

A kind of thoracic surgery operation retractor device, including bracket, the bracket are the rectangular box being made of four frames Structure has stand bar structure at four angles of the bracket, slidably connects hook mechanism on the frame described in one of them, institute Stating hook mechanism includes U-type groove, and the U-type groove includes upright side walls and the horizontal side wall for being fixed on upright side walls upper and lower ends, The first rack gear and the second rack gear, first rack gear and the second tooth are slidably connected in horizontal side wall described in two respectively Gear is engaged between item, the gear is rotatably coupled in upright side walls, is connected with the first drawing on first rack gear Hook is connected with the second drag hook on second rack gear.

Further, the stand bar structure includes sleeve, and inserted with strut in the sleeve, the strut is fixed with bracket Connection has first positioning hole on the sleeve, has multiple second location holes on the strut, the first positioning hole and the Fixing bolt is inserted into two location holes, sleeve is positioned and fastened by fixing bolt with strut.

Further, the frame cross sectional shape is U-shaped, connects and is fixed with the first sliding rail on the frame of hook mechanism, institute It states the first sliding rail and is connected with sliding block, the sliding block is fixedly connected with U-type groove, and U-type groove is equipped with for pulling U-type groove sliding along first The first in command of rail sliding.

Further, the sliding block cross sectional shape is T-type, and the first sliding rail cross sectional shape is the T to match with slider shape Type.

Further, first rack gear is slidably connected with the second sliding rail, and second sliding rail is fixed on above U-type groove In horizontal side wall, second rack gear is slidably connected with third sliding rail, and the third sliding rail is fixed on the horizontal side below U-type groove On wall, second rack gear end is equipped with the second handle for pulling it along the sliding of third sliding rail.

Further, the first rack gear cross sectional shape is T-type, and the second sliding rail cross sectional shape is and the first rack shapes phase Matched T-type, the second rack gear cross sectional shape are T-type, and third sliding rail cross sectional shape is the T to match with the second rack shapes Type.

Further, the diameter of the gear is greater than the thickness of frame.

Further, the end face that second rack gear is located at its dentation end face opposite side has laciniation, the sawtooth Shape structure includes the groove structure of multiple rectangles and the bulge-structure of rectangle.

Further, rotatably connect positioned at the second rack gear side and on the U-type groove side end face below the second rack gear It is connected to fixture block, the fixture block shape and the shape of the groove structure match, and the thickness of the fixture block is less than groove structure Thickness.

Further, in first connecting rod one end of first drag hook one end insertion L-type, the first connecting rod is another End is fixedly connected with the first rack gear, has third location hole on first drag hook, has multiple four to determine on first connecting rod Position hole, is inserted into fixing bolt in third location hole and the 4th location hole, the first drag hook is fixed with first connecting rod, described Second drag hook one end is inserted into second connecting rod one end of L-type, and the second connecting rod other end is fixedly connected with the second rack gear, There is the 5th location hole on second drag hook, there is multiple 6th location holes, the 5th location hole and the 6th in the second connecting rod It is inserted into fixing bolt in location hole, the second drag hook and the second connecting rod are fixed.

The utility model has the beneficial effects that

1. the same of two drag hooks may be implemented by the engaged transmission of wheel and rack in the lifting hook device of the utility model When separate or move toward one another, it is only necessary to configure that an assistant can be completed notch pulls open operation, reduces assistant Configuration quantity, be conducive to the exposure of surgical field of view to a certain extent.

2. the lifting hook device of the utility model, there is fixture block, the fixture block can be caught in the under the action of muscular contraction force In the groove structure of two rack gears, realize the positioning and fixation of the first drag hook and the second drag hook, in surgical procedure, assistant without Drag hook need to be pulled always, greatly reduce the labor intensity of assistant.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is enlarged diagram at the A in the utility model Fig. 1；

Fig. 3 is the utility model overall structure schematic top plan view；

Wherein, 1. frame, 2. sleeves, 3. struts, 4. first sliding rails, 5. sliding blocks, 6. connection otic placodes, 7.U type groove, 8. second Sliding rail, 9. third sliding rails, 10. first rack gears, 11. second rack gears, 12. gears, 13. first drag hooks, 14. second drag hooks, 15. One connecting rod, 16. second connecting rods, 17. first in command, 18. second handles, 19. laciniations, 20. hinged seats, 21. cards Block.

Specific embodiment

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the utility model, only indicate and attached drawing The upper and lower, left and right direction of itself is consistent, not to structure rise restriction effect, it is only for convenient for description the utility model and Simplify description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation construction And operation, therefore should not be understood as limiting the present invention.

As background technique is introduced, existing thoracic surgery needs to configure two assistants from two sides with drag hook Notch is pulled, affects surgical field of view to a certain extent, and need to apply drag hook always traction force in surgical procedure, is worked Intensity is big, in view of the above-mentioned problems, present applicant proposes a kind of thoracic surgery operation retractor devices.

In a kind of exemplary embodiment of the application, as shown in Figure 1-3, a kind of thoracic surgery operation retractor device, including Bracket, it is rectangular box structure that U-shaped frame 1 is constituted that the bracket, which is by four sections, is consolidated at four angles of the bracket Surely there is stand bar structure, the stand bar structure includes sleeve 2, in use, the sleeve is fixed by bolts in the edge of bed of operating bed On, or it is fixed on the edge of bed of operating bed using other modes, inserted with strut 3 in the sleeve, is had on the sleeve in advance There is first positioning hole, there are multiple second location holes, insertion is tight in the first positioning hole and second location hole on the strut Fixing bolt realizes the positioning and fastening of sleeve and strut, and fastening bolt mixes first positioning hole and different second location holes, can The height for adjusting bracket meets the needs of different building shape patient operation.

The first sliding rail 4 of T-type is fixed on frame on bracket described in one of them, be equipped on first sliding rail with The sliding block 5 for the T-type that its shape matches, the sliding block are connected with hook mechanism by the connection otic placode 6 of L-type, and hook mechanism is logical Crossing sliding block can be slided along the first sliding rail.

The hook mechanism includes U-type groove 7, and the U-type groove includes upright side walls and is fixed on upright side walls upper/lower terminal Horizontal side wall, the second sliding rail 8 and third of T-type are respectively fixedly connected in horizontal side wall described in upper and lower distribution two The first rack gear 10 and the second rack gear that section is T-type are slidably connected on sliding rail 9, the second sliding rail and third sliding rail respectively 11, gear 12 is engaged between first rack gear and the second rack gear, the gear is rotatably coupled to vertically by bearing On side wall, it is connected with the first drag hook 13 on first rack gear, is connected with the second drag hook 14 on second rack gear, described first Drag hook one end is inserted into 15 one end of first connecting rod of L-type, and the first connecting rod other end is fixedly connected with the first rack gear, institute Stating has third location hole on the first drag hook, have multiple 4th location holes on first connecting rod, and third location hole and the 4th determine Fixing bolt is inserted into hole in position, and the first drag hook is fixed with first connecting rod, and the of second drag hook one end insertion L-type In two connecting rods, 16 one end, the second connecting rod other end is fixedly connected with the second rack gear, has the on second drag hook Five location holes have multiple 6th location holes in the second connecting rod, are inserted into fixing bolt in the 5th location hole and the 6th location hole, Second drag hook and the second connecting rod are fixed, in use, first drag hook and the second drag hook are located in same level, It is convenient that notch is pulled, it is fixed with the first in command 17 on the end face of the U-type groove, pulls the first in command, facilitates operator Member drives hook mechanism to be slided along the first sliding rail, and the end of second rack gear is equipped with second handle 18, facilitates pulling the Two rack gears are slided along third sliding rail.

The diameter of the gear is greater than the thickness of frame, and when the first rack gear and the second rack gear slide, frame will not hinder it Sliding.

The end face that second rack gear is located at its dentation end face opposite side has laciniation 19, the laciniation packet The groove structure of multiple rectangles and the bulge-structure of rectangle are included, positioned at the second rack gear side and is located at U-shaped below the second rack gear Fixture block 21 is rotatably connected with by hinged seat 20 on slot side end face, the shape of the groove structure of the fixture block shape and rectangle Match, the thickness of the fixture block is less than the thickness of groove, and fixture block is facilitated to be caught in the groove structure.

The lifting hook device of the utility model is fixed in advance in use, being first inserted into bracket on operating bed by four struts Sleeve in, according to the figure of patient, fastening bolt is inserted into first positioning hole and suitable second location hole, is then carried out tight Gu the height of bracket is made to meet the needs of patient incision's drawing.After patient carries out notch, hook mechanism is driven using the first in command It is slided along the first sliding rail, so that position of the hook mechanism on the first sliding rail is corresponded to the incision site of patient, fixture block is turned to de- From groove structure, second handle is operated, using the engaged transmission of the first rack gear, the second rack gear and gear, by the first drag hook and the Two drag hook synchronizing movings to incision site, adjust the first drag hook and the second drag hook stretch out first connecting rod and the second connecting rod away from From, and the first drag hook and the second drag hook structure are lived to the skin and muscle of notch two sides, second handle is reversely pulled, the first drag hook is made And second drag hook do synchronous disengaging movement, the skin and muscle of incision are pulled, expose surgical field of view, notch drawing After to required degree, fixture block is rotated, turns to fixture block in groove structure, at this point, operator can unclamp second handle, due to The convergent force of muscle acts on, and drives the second rack gear mobile to one side direction of patient, due to the effect of fixture block, fixture block turns to and U It when type groove contacts, can not continue to rotate, realize the locking of the second rack movement, in entire surgical procedure, be not necessarily to operator Drag hook is pulled always.

After the completion of operation, the first drag hook and the second drag hook and skin and muscle are detached from, the second rack gear is to far from patient one The direction of side moves a distance, facilitates fixture block to be detached from groove structure, operation retractor device is then removed from operating bed.

It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model Within enclosing.

Claims

1. a kind of thoracic surgery operation retractor device, which is characterized in that including bracket, the bracket is made of four frames Rectangular box structure has stand bar structure at four angles of the bracket, slidably connects drawing on the frame described in one of them Hook mechanism, the hook mechanism include U-type groove, and the U-type groove includes upright side walls and is fixed on upright side walls upper and lower ends Horizontal side wall is slidably connected with the first rack gear and the second rack gear, first tooth in horizontal side wall described in two respectively Gear is engaged between item and the second rack gear, the gear is rotatably coupled in upright side walls, is connected on first rack gear It is connected to the first drag hook, is connected with the second drag hook on second rack gear.

2. a kind of thoracic surgery operation retractor device as described in claim 1, which is characterized in that the stand bar structure includes set Cylinder, the sleeve is interior, and inserted with strut, the strut is fixedly connected with bracket, has first positioning hole on the sleeve, described There are multiple second location holes on strut, be inserted into fixing bolt, sleeve and strut in the first positioning hole and second location hole It is positioned and is fastened by fixing bolt.

3. a kind of thoracic surgery operation retractor device as described in claim 1, which is characterized in that the frame cross sectional shape is It is U-shaped, it connects and is fixed with the first sliding rail on the frame of hook mechanism, first sliding rail is connected with sliding block, the sliding block and U-type groove It is fixedly connected, U-type groove is equipped with the first in command for pulling U-type groove to slide along the first sliding rail.

4. a kind of thoracic surgery operation retractor device as claimed in claim 3, which is characterized in that the sliding block cross sectional shape is T-type, the first sliding rail cross sectional shape are the T-type to match with slider shape.

5. a kind of thoracic surgery operation retractor device as described in claim 1, which is characterized in that first rack gear and second Sliding rail is slidably connected, and second sliding rail is fixed in the horizontal side wall above U-type groove, and second rack gear and third sliding rail are sliding Dynamic connection, the third sliding rail are fixed in the horizontal side wall below U-type groove, and second rack gear end is equipped with for pulling it Along the second handle of third sliding rail sliding.

6. a kind of thoracic surgery operation retractor device as claimed in claim 5, which is characterized in that first rack gear section shape Shape is T-type, and the second sliding rail cross sectional shape is the T-type to match with the first rack shapes, and the second rack gear cross sectional shape is T Type, third sliding rail cross sectional shape are the T-type to match with the second rack shapes.

7. a kind of thoracic surgery operation retractor device as described in claim 1, which is characterized in that the diameter of the gear is greater than The thickness of frame.

8. a kind of thoracic surgery operation retractor device as described in claim 1, which is characterized in that second rack gear is located at it The end face of dentation end face opposite side has laciniation, and the laciniation includes the groove structure and rectangle of multiple rectangles Bulge-structure.

9. a kind of thoracic surgery operation retractor device as claimed in claim 8, which is characterized in that be located at the second rack gear side and Fixture block, the fixture block shape and the groove structure are rotatably connected on the U-type groove side end face below the second rack gear Shape match, the thickness of the fixture block is less than the thickness of groove structure.

10. a kind of thoracic surgery operation retractor device as described in claim 1, which is characterized in that first drag hook one end It is inserted into first connecting rod one end of L-type, the first connecting rod other end is fixedly connected with the first rack gear, first drag hook It is upper that there is third location hole, there are multiple 4th location holes on first connecting rod, be inserted into third location hole and the 4th location hole First drag hook is fixed fixing bolt with first connecting rod, and the second connecting rod one of L-type is inserted into second drag hook one end In end, the second connecting rod other end is fixedly connected with the second rack gear, on second drag hook have the 5th location hole, second There are multiple 6th location holes in connecting rod, be inserted into fixing bolt in the 5th location hole and the 6th location hole, by the second drag hook with Second connecting rod is fixed.