CN206252522U - The microscopic needle holder used under laparoscope - Google Patents

Abstract

The utility model discloses the microscopic needle holder used under a kind of laparoscope, noumenal seat including the fixed sleeving with elongated hollow, the front end of noumenal seat is provided with folder pin portion, rear end is hinged setting clamp handle, the noumenal seat is provided with pull bar, after one end of pull bar passes through from fixed sleeving inner chamber, it is connected with the folder pin portion, the other end is hinged by connection sheet with clamp handle, the rear end of clamp handle is provided with support shell fragment, the rear end of two support shell fragments keeps connection during clamp handle activity, also include being arranged in clamp handle for making two clamp handles keep the locking devices of kneading state.The needle holder is unclamped, holds and operated using thumb, forefinger, middle finger when tight and suture is rotated, can avoid what common needle holder produced in pine pincers from huge rocking, and under three alternatings of finger, pin holds the upset that can carry out 360 degree, flexibly and easily, press from both sides pin portion simultaneously to be made up of two movable jaws, doctor's finger movement amplitude in operation is small, operates more stable.

Description

The microscopic needle holder used under laparoscope

Technical field

The utility model is the microscopic needle holder used under a kind of laparoscope, belongs to technical field of medical instruments.

Background technology

Microscopic needle holder is the needle holder of hand held under current laparoscope, and its simple structure is easy to operate, for suture Biliary tract, stomach and intestine etc. some compared with the internal organs of Large Diameter Pipeline and hemostasis etc., practicality is very strong.But it is right with the development of laparoscopic technique The requirement more and more higher of suturing skill, or even need to complete reconstructing blood vessel, the less arterial anastomosis of diameter etc. under laparoscope.Abdomen Hand held needle holder is due to the mode of pinching of holding of apparatus under hysteroscope, less stable, and instrument tip has larger when unclamping and holding tight Rock, and be limited to Wrist-sport, limited flexibility, therefore it is difficult to the need for fine, micro anastomosis of satisfaction etc..In addition, existing The folder pin portion of the needle holder in technology is made up of stationary jaw and movable jaw, and doctor is not very convenient when sewing needle is put into.

Utility model content

In view of this, the utility model purpose is to provide the microscopic needle holder used under laparoscope, and the needle holder unclamps, holds Tight and suture is operated when rotating using thumb, forefinger, middle finger, and can avoid that common needle holder produces in pine pincers is huge Rock, and under three alternatings of finger, pin holds the upset that can carry out 360 degree, flexibly and easily, while pressing from both sides pin portion by two activities Clamping jaw is constituted, and doctor's finger movement amplitude in operation is small, operates more stable.

To achieve these goals, the utility model is realized by the following technical solutions：Used under a kind of laparoscope Microscopic needle holder, including the fixed sleeving with elongated hollow noumenal seat, the front end of noumenal seat is provided with folder pin portion, rear end hinge Setting clamp handle is connect, the noumenal seat is provided with pull bar, after one end of pull bar passes through from fixed sleeving inner chamber, connected with the folder pin portion Connect, the other end is hinged by connection sheet with clamp handle, the rear end of clamp handle is provided with support shell fragment, two during clamp handle activity The rear end for supportting shell fragment keeps connection, the also locking for making two clamp handles holding kneading states including being arranged in clamp handle to fill Put.

Further, the locking device includes being separately positioned on two fixture blocks and draw-in groove of clamp handle relative inner, described The front end of fixture block contacts with clamp handle, and remainder bends parallel with clamp handle backward, and has certain distance with clamp handle；The draw-in groove Edge is provided with the arc block plate bent to clamp handle, and being left between block and clamp handle can hold the gap that fixture block passes through.

Further, the folder pin portion includes two movable jaws being hinged with fixed sleeving front end, the movable jaw Rear end be gear part, the front end of pull bar is the tooth-strip part coordinated with two gear parts transmissions.

Further, the gear part is partial gear.

The beneficial effects of the utility model：The microscopic needle holder used under a kind of laparoscope of the present utility model, including tool The front end for having the noumenal seat of the fixed sleeving of elongated hollow, noumenal seat is provided with folder pin portion, and rear end is hinged setting clamp handle, the body Seat is provided with pull bar, after one end of pull bar passes through from fixed sleeving inner chamber, is connected with the folder pin portion, and the other end passes through connection sheet It is hinged with clamp handle, the rear end of clamp handle is provided with support shell fragment, the rear end of two support shell fragments keeps connecting during clamp handle activity Connect, also including be arranged in clamp handle for making two clamp handles keep the locking devices of kneading state.The needle holder unclamps, holds tight And operated using thumb, forefinger, middle finger during suture rotation, the huge rolling that common needle holder can be avoided to be produced in pine pincers It is dynamic, and under three alternatings of finger, pin holds the upset that can carry out 360 degree, flexibly and easily, while press from both sides pin portion being pressed from both sides by two activities Pawl is constituted, and doctor's finger movement amplitude in operation is small, operates more stable.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the A portions mplifying structure schematic diagram in Fig. 1.

Specific embodiment

For technological means, creation characteristic, reached purpose and effect for realizing the utility model are easy to understand, below With reference to specific embodiment, the utility model is expanded on further.

Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of microscopic needle holder used under laparoscope, Noumenal seat 1 including the fixed sleeving 2 with elongated hollow, the front end of noumenal seat 1 is provided with folder pin portion, and rear end is hinged setting clamp handle 5, the noumenal seat 1 is provided with pull bar 3, after one end of pull bar 3 passes through from the inner chamber of fixed sleeving 2, is connected with the folder pin portion, separately One end is hinged by connection sheet 4 with clamp handle 5, and the rear end of clamp handle 5 is provided with support shell fragment 6, two during the activity of clamp handle 5 The rear end for supportting shell fragment 6 keeps connection, specifically, the rear end of one of support shell fragment 6 is provided with rectangular through-hole, another support bullet The rear end both sides of piece 6 are oppositely arranged fluted, and two such groove is stuck in the side long of rectangular through-hole, so as in the mistake of the activity of clamp handle 5 Cheng Zhong, the rear end of two support shell fragments 6 can be always maintained at connection, but not hinder the elastic deformation of two support shell fragments 6.Use When, doctor's forefinger and middle finger are affectedly bashful two clamp handles 5 with thumb cooperation together, due to supporting the effect of shell fragment 6, are clamping or are unclamping During clamp handle 5, will not produce it is big rock, while under three alternatings of finger, pin holds the upset that can carry out 360 degree, flexible side Just.Also include the locking device for locking clamp handle 5 being arranged in clamp handle 5, the locking device includes being separately positioned on two The fixture block 7 and draw-in groove 8 of the relative inner of individual clamp handle 5, the front end of the fixture block 7 contact with clamp handle 5, and remainder bends and clamps backward Handle 5 is parallel, and has certain distance with clamp handle 5；The edge of the draw-in groove 8 be provided with to clamp handle 5 bend arc block plate 81, block with Being left between clamp handle 5 can hold the gap that fixture block 7 passes through.When needing to be knotted to suture or cut suture, kneading two is nibbled The colleague of clamp handle 5, allows fixture block 7 to pass through the gap between catch 81 and clamp handle 5 and enters in draw-in groove 8, and the catch 81 of arc can be blocked Fixture block 7, prevents it from departing from draw-in groove 8, two clamp handles 5 is kept kneading state, simple to operate, Ke Yijie The muscle power of doctor is saved, and it is safe and reliable.

Used as the further improvement of such scheme, the folder pin portion includes two activities being hinged with the front end of fixed sleeving 2 Clamping jaw 9, the rear end of the movable jaw 9 is gear part 91, and certain interval is left between two gear parts 91, pull bar 3 Front end is from the tooth-strip part 31 coordinated through and with the transmission of gear part 91 between two gear parts 91.The movement of pull bar 3 can band Dynamic two movable jaws 9 are flared out or inwardly draw in simultaneously, therefore doctor opens or close finger movement amplitude when pressing from both sides pin portion It is small, operate more stable.

Sewing needle is put into by need to only opening certain amplitude due to folder pin portion, therefore gear part 91 is arranged to incomplete tooth Wheel can reduce the processing cost of movable jaw 9.

General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above, for For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be in other specific forms realized.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is by institute Attached claim is limited rather than described above, it is intended that will fall in the implication and scope of the equivalency of claim All changes are included in the utility model.Any reference in claim should not be considered as the right involved by limitation It is required that.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined May be appreciated other embodiment.

Claims (4)

1. the microscopic needle holder for being used under a kind of laparoscope, including the fixed sleeving with elongated hollow noumenal seat, noumenal seat Front end be provided with folder pin portion, rear end is hinged setting clamp handle, it is characterised in that：The noumenal seat is provided with pull bar, one end of pull bar After being passed through from fixed sleeving inner chamber, it is connected with the folder pin portion, the other end is hinged by connection sheet with clamp handle, and the rear end of clamp handle sets Support shell fragment is equipped with, the rear end of two support shell fragments keeps connection during clamp handle activity, also including being arranged in clamp handle For making two clamp handles keep the locking device of kneading state.

2. the microscopic needle holder for being used under laparoscope according to claim 1, it is characterised in that：The locking device includes Two fixture blocks and draw-in groove of clamp handle relative inner are separately positioned on, the front end of the fixture block contacts with clamp handle, and remainder is backward Bending is parallel with clamp handle, and has certain distance with clamp handle；The edge of the draw-in groove is provided with the arc block plate bent to clamp handle, block Being left between clamp handle can hold the gap that fixture block passes through.

3. the microscopic needle holder for being used under laparoscope according to claim 1, it is characterised in that：The folder pin portion includes two The individual movable jaw being hinged with fixed sleeving front end, the rear end of the movable jaw is gear part, and the front end of pull bar is and two The tooth-strip part that the gear part transmission coordinates.

4. the microscopic needle holder for being used under laparoscope according to claim 3, it is characterised in that：The gear part cannot be complete All gear.