CN209361074U

CN209361074U - Angle-adjustable suction cutter

Info

Publication number: CN209361074U
Application number: CN201821853661.9U
Authority: CN
Inventors: 邹团明; 陈俊明; 陈抗松; 刘秋玲; 周晓娓; 孙恺; 王博琛; 杨芳
Original assignee: Foshan First Peoples Hospital Foshan Hospital Sun Yat Sen University
Current assignee: Foshan First Peoples Hospital Foshan Hospital Sun Yat Sen University
Priority date: 2018-11-09
Filing date: 2018-11-09
Publication date: 2019-09-10
Anticipated expiration: 2028-11-09

Abstract

The utility model discloses an angle-adjustable suction cutter, during operation, a negative pressure suction device is communicated with a second suction channel in a handle body, blood is sucked out through a suction port on the upper end surface of a needle body, a doctor can suck while cutting during operation cutting operation, the surgical field is always kept clear, meanwhile, the lower end of the cutter body is rotatably connected with the upper end of the needle body through a rotating shaft, a pull wire is pulled by a rotatable reel, the joint of the upper end of the pull wire and the side wall surface of the cutter body is arranged between the upper end and the lower end of the cutter body, the pull wire tightens the cutter body to rotate around the rotating shaft, two ends of a spring on the upper part of the pull wire are respectively abutted against the side wall surface of the cutter body and the upper wall surface of a fixed block, the spring provides a thrust force for the cutter body to open outwards around the rotating shaft, a locking mechanism is arranged between the handle body and the reel, the locking mechanism can lock the rotation of the, the free adjustment of the angle of the cutting edge is realized. The utility model is used for the ear scope operation.

Description

A kind of attraction cutter of angle adjustable

Technical field

The utility model relates to the field of medical instrument, in particular to the attraction cutter of a kind of angle adjustable.

Background technique

Endoscopic ear surgery is performed the operation by natural external auditory canal aperture, is operated in long and narrow external auditory canal, processing Bleeding is to influence the important step of procedure.In the prior art, once occurring that visual area is unintelligible when operation will immediately more It changes aspirator to be attracted, continues to perform the operation until changing cutting utensil after recovery visual area is clear again, therefore doctor needs one to hold Aspirator attracts oozing of blood, the hand-held cutting utensil of another, but both hands operate be extremely difficult to good both hands cooperation simultaneously, also difficult To guarantee that the dynamics held is consistent, the dangerous phenomenons such as skin eardrum valve tearing are easily caused；The knife of existing cutting utensil simultaneously The angle of sword be it is fixed, doctor needs to be replaced frequently the cutting utensil of different angle blade, no according to different patient's ear canals aperture Only surgical procedure is complicated, and operating time can extend.

Utility model content

Technical problem to be solved by the utility model is: providing a kind of cutter with suction function, and can freely adjust The angle of blade.

The solution that the utility model solves its technical problem is:

A kind of attraction cutter of angle adjustable, including be in vertically arranged needle body, the needle body is tubular structure, described The upper end of needle body is connected with cutter hub, and being equipped with inside the needle body is in the first vertically arranged attraction channel, the needle body Upper surface is equipped with suction port, and the upper end of first attraction channel is connected to suction port, and the lower end of the needle body is connected with Being equipped in vertically arranged handle body, inside the handle body is in the second vertically arranged attraction channel, and described second inhales The upper end for drawing channel is connected to the lower end of the first attraction channel, and the upper surface of the needle body is connected with the rotation being arranged in front and back Axis, the rotation axis are arranged in the side of suction port, the cutter hub be it is flat-shaped, the lower end of the cutter hub passes through rotation axis It is rotatablely connected with needle body, the fixed block being fixedly connected with needle body is equipped in suction port, the fixed block is in laterally setting, institute It is in vertically arranged pilot hole that the fixed block stated, which is equipped with, and the pilot hole is set with bracing wire, the upper end of the bracing wire and cutter hub Side wall surface connection, the junction of the side wall surface of the upper end and cutter hub of the bracing wire is arranged between cutter hub top and bottom, The top of the bracing wire is set with spring, and one end of the spring is abutted with the side wall surface of cutter hub, the spring it is another One end is abutted with the upper wall surface of fixed block, and the spring provides a thrust to cutter hub, so that cutter hub is opened outward around rotation axis It opens, the top of the handle body is equipped with hollow-out parts, the outside of hollow-out parts perforation second attraction channel and handle body, institute The hollow-out parts stated are set with reel, and the reel and handle body are rotatablely connected, the lower end of the bracing wire and reel Connection is equipped with retaining mechanism between handle body and reel, and the retaining mechanism can lock the rotation of reel, described The upper end of cutter hub is equipped with blade.

As a further improvement of the foregoing solution, the retaining mechanism includes being arranged on the lateral wall on handle body top Locating piece, the locating piece is flexibly connected with the lateral wall of handle body, and it is multiple fixed that the side wall surface of the reel is equipped with Position slot, multiple locating slots are circumferentially alternatively arranged setting around the axis of reel, and the locating piece can be put in locating slot, from And realize the locking of reel.

As a further improvement of the foregoing solution, it is in vertically arranged slideway that the lateral wall on the handle body top, which is equipped with, The lower section of hollow-out parts is arranged in the slideway, and the locating piece is slidably connected with slideway.

As a further improvement of the foregoing solution, the upper surface of the locating piece is inclined to set, the locating piece The upper surface being inclined to set is abutted with the cell wall of locating slot.

As a further improvement of the foregoing solution, the lower end surface of the handle body is connected with connector sleeve, and described second The lower end of attraction channel is connect with connector sleeve.

As a further improvement of the foregoing solution, the arc-shaped shape of the blade.

The beneficial effects of the utility model are: vacuum extractor and intracorporal second attraction channel of handle connect at the time of surgery, It is logical, bleeding is attracted by the suction port of the upper surface of needle body, doctor side cutting edge can attract when surgical cut operates, protect always It holds that visual area is clear, while the lower end of cutter hub is rotatablely connected by the upper end of rotation axis and needle body, can be rotated reel and pull bracing wire, The junction of the side wall surface of the upper end and cutter hub of bracing wire is arranged between cutter hub top and bottom, so that bracing wire tenses cutter hub and rotates Moving axis rotation, the both ends of the spring on the top of bracing wire are abutted with the upper wall surface of the side wall surface of cutter hub and fixed block respectively, spring pair Cutter hub provides a thrust, so that cutter hub opens outward around rotation axis, retaining mechanism, lock are equipped between handle body and reel Tight mechanism can lock the rotation of reel, thus the angle between fixed cutter body and the extended line of needle body, when doctor's one-handed performance, Reel is rolled with thumb, so that the angle of freely adjustable blade, meets the needs of different cuttings, increase surgical procedure Range, makes that the operation is more convenient.

The utility model is used for Endoscopic ear surgery.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it His design scheme and attached drawing.

Fig. 1 is the cross-sectional view of the utility model embodiment；

Fig. 2 is the partial sectional view of the needle body upper end of the utility model embodiment；

Fig. 3 is the partial sectional view of the hollow-out parts of the utility model embodiment.

Specific embodiment

It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the utility model is special Sign, can be with combination of interactions under the premise of not conflicting conflict.

Referring to figs. 1 to Fig. 3, this is the embodiments of the present invention, specifically:

A kind of attraction cutter of angle adjustable, including be in vertically arranged needle body 1, the needle body 1 is tubular structure, institute The upper end for the needle body 1 stated is connected with cutter hub 2, and being equipped with inside the needle body 1 is in the first vertically arranged attraction channel 11, described The upper surface of needle body 1 be equipped with suction port 12, the upper end of first attraction channel 11 is connected to suction port 12, the needle The lower end of body 1 is connected in vertically arranged handle body 3, is equipped with inside the handle body 3 and is attracted in vertically arranged second The upper end in channel 31, second attraction channel 31 is connected to the lower end of the first attraction channel 11, the upper end of the needle body 1 Face is connected with the rotation axis 13 being arranged in front and back, and the side of suction port 12 is arranged in the rotation axis 13, and the cutter hub 2 is Flat-shaped, the lower end of the cutter hub 2 is rotatablely connected by rotation axis 13 and needle body 1, is equipped in suction port 12 fixed with needle body 1 The fixed block 14 of connection, for the fixed block 14 in laterally setting, it is in vertically arranged pilot hole 15 that the fixed block 14, which is equipped with, The pilot hole 15 is set with bracing wire 16, and the upper end of the bracing wire 16 is connect with the side wall surface of cutter hub 2, the bracing wire 16 Upper end and the junction of side wall surface of cutter hub 2 be arranged between 2 top and bottom of cutter hub, the top of the bracing wire 16 is set with There is spring 17, one end of the spring 17 is abutted with the side wall surface of cutter hub 2, the other end and fixed block 14 of the spring 17 Upper wall surface abut, the spring 17 provides a thrust to cutter hub 2, described so that cutter hub 2 opens outward around rotation axis 13 The top of handle body 3 be equipped with hollow-out parts 32, the outside of second attraction channel of the described perforation of hollow-out parts 32 31 and handle body 3, The hollow-out parts 32 are set with reel 33, and the reel 33 and handle body 3 are rotatablely connected, under the bracing wire 16 End is connect with reel 33, and retaining mechanism is equipped between handle body 3 and reel 33, and the retaining mechanism can lock coiling The upper end of the rotation of wheel 33, the cutter hub 2 is equipped with blade 21.Second in vacuum extractor and handle body 3 at the time of surgery, Attraction channel 31 is connected to, and attracts bleeding by the suction port 12 of the upper surface of needle body 1, doctor can cut on side when surgical cut operates Cut edge attracts, and remains that visual area is clear, while the lower end of cutter hub 2 is rotatablely connected by the upper end of rotation axis 13 and needle body 1, can It rotates reel 33 and pulls bracing wire 16, the junction setting of the side wall surface of the upper end and cutter hub 2 of bracing wire 16 is in 2 upper end of cutter hub under Between end so that bracing wire 16 tense cutter hub 2 around rotation axis 13 rotate, the both ends of the spring 17 on the top of bracing wire 16 respectively with cutter hub 2 side wall surface and the upper wall surface of fixed block 14 abut, and spring 17 provides a thrust to cutter hub 2, so that cutter hub 2 is around rotation axis 13 open outward, and retaining mechanism is equipped between handle body 3 and reel 33, and retaining mechanism can lock the rotation of reel 33, To angle between fixed cutter body 2 and the extended line of needle body 1, when doctor's one-handed performance, reel 33 is rolled with thumb, from And the angle of freely adjustable blade 21, meet the needs of different cuttings, increase surgical procedure range, keeps operation simpler Just.

It is further used as preferred embodiment, the retaining mechanism includes the lateral wall that 3 top of handle body is arranged in On locating piece 34, the locating piece 34 is flexibly connected with the lateral wall of handle body 3, and the side wall surface of the reel 33 is set There are multiple locating slots 35, multiple locating slots 35 are circumferentially alternatively arranged setting, the locating piece 34 around the axis of reel 33 It can put in locating slot 35, to realize the locking of reel 33.Doctor adjusts the angle of blade 21 by rotation reel 33 Afterwards, thumb can move locating piece 34 and put in corresponding locating slot 35, finally realize the fixation that cutter hub 2 rotates, and positioning operation is simple, Doctor's also one-hand operation improves scalpel efficiency, and axis circumferentially be spaced row of multiple locating slots 35 around reel 33 is arranged The multiple and different angle of blade 21, the opereating specification of further expansion operation is adjusted in column setting.

It is further used as preferred embodiment, it is in vertically arranged slideway that the lateral wall on 3 top of handle body, which is equipped with, 36, the lower section of hollow-out parts 32 is arranged in the slideway 36, and the locating piece 34 is slidably connected with slideway 36.Along slideway 36 Lower mobile locating piece 34 can lock the rotation of reel 33, improve the mobile fluency of locating piece 34, so that operation is lighter Just simple.

It is further used as preferred embodiment, the upper surface of the locating piece 34 is inclined to set, the positioning The upper surface that block 34 is inclined to set is abutted with the cell wall of locating slot 35.The upper end of locating piece 34 puts in locating slot 35, by being in The upper surface being obliquely installed is abutted with the cell wall of locating slot 35, so that the locking of reel 33 is stronger.

It is further used as preferred embodiment, the lower end surface of the handle body 3 is connected with connector sleeve 37, and described The lower end of two attraction channels 31 is connect with connector sleeve 37.Handle body 3 is connect by connector sleeve 37 with vacuum extractor, and hook is improved The applicability of needle.

It is further used as preferred embodiment, the arc-shaped shape of blade 21.Expand 21 cut coverage of blade, it can be Cutting transversely or longitudinally is carried out in ear canal.

The better embodiment of the utility model is illustrated above, but the utility model be not limited to it is described Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims

1. a kind of attraction cutter of angle adjustable, including be in vertically arranged needle body (1), the needle body (1) is tubular structure, institute The upper end for the needle body (1) stated is connected with cutter hub (2), it is characterised in that: is equipped with inside the needle body (1) in vertically arranged the One attraction channel (11), the upper surface of the needle body (1) are equipped with suction port (12), first attraction channel (11) it is upper End is connected to suction port (12), and the lower end of the needle body (1) is connected in vertically arranged handle body (3), the handle Be equipped with inside body (3) is in vertically arranged the second attraction channel (31), the upper end and first of second attraction channel (31) The lower end of attraction channel (11) is connected to, and the upper surface of the needle body (1) is connected with the rotation axis (13) being arranged in front and back, described Rotation axis (13) setting suction port (12) side, the cutter hub (2) be it is flat-shaped, the lower end of the cutter hub (2) is logical It crosses rotation axis (13) and needle body (1) to be rotatablely connected, the fixed block being fixedly connected with needle body (1) is equipped in suction port (12) (14), for the fixed block (14) in laterally setting, it is in vertically arranged pilot hole (15) that the fixed block (14), which is equipped with, described Pilot hole (15) be set with bracing wire (16), the upper end of the bracing wire (16) is connect with the side wall surface of cutter hub (2), the drawing The junction of the side wall surface of the upper end and cutter hub (2) of line (16) is arranged between cutter hub (2) top and bottom, the bracing wire (16) top is set with spring (17), and one end of the spring (17) is abutted with the side wall surface of cutter hub (2), the spring (17) the other end is abutted with the upper wall surface of fixed block (14), and the spring (17) provides a thrust to cutter hub (2), so that Cutter hub (2) opens outward around rotation axis (13), and the top of the handle body (3) is equipped with hollow-out parts (32), the hollow-out parts (32) outside of the second attraction channel (31) and handle body (3) is penetrated through, the hollow-out parts (32) are set with reel (33), The reel (33) and handle body (3) is rotatablely connected, and the lower end of the bracing wire (16) is connect with reel (33), in hand Retaining mechanism is equipped between shank body (3) and reel (33), the retaining mechanism can lock the rotation of reel (33), described Cutter hub (2) upper end be equipped with blade (21).

2. a kind of attraction cutter of angle adjustable according to claim 1, it is characterised in that: the retaining mechanism includes The locating piece (34) being arranged on the lateral wall on handle body (3) top, the lateral wall of the locating piece (34) and handle body (3) It is flexibly connected, the side wall surface of the reel (33) is equipped with multiple locating slots (35), and multiple locating slots (35) are around reel (33) axis is circumferentially alternatively arranged setting, and the locating piece (34) can be put in locating slot (35), to realize coiling Take turns the locking of (33).

3. a kind of attraction cutter of angle adjustable according to claim 2, it is characterised in that: on the handle body (3) It is in vertically arranged slideway (36) that the lateral wall in portion, which is equipped with, and the slideway (36) setting is described in the lower section of hollow-out parts (32) Locating piece (34) is slidably connected with slideway (36).

4. a kind of attraction cutter of angle adjustable according to claim 3, it is characterised in that: the locating piece (34) Upper surface is inclined to set, and the upper surface that the locating piece (34) is inclined to set is abutted with the cell wall of locating slot (35).

5. a kind of attraction cutter of angle adjustable according to claim 1, it is characterised in that: the handle body (3) Lower end surface is connected with connector sleeve (37), and the lower end of second attraction channel (31) is connect with connector sleeve (37).

6. a kind of attraction cutter of angle adjustable according to claim 1, it is characterised in that: the blade (21) is in arc Shape.