CN104490448B - Surgical ligation clip applier - Google Patents

Abstract

The invention discloses a kind of surgical ligation Clip Applier, including tube-like envelope, pliers and magazine, is provided with gathering sill in tube-like envelope, magazine is arranged in gathering sill, and can be along the left and right movement of gathering sill；The pliers includes upper jaw, lower jaw, upper jaw rotating shaft and lower jaw rotating shaft, the upper jaw is fixed on gathering sill by upper jaw rotating shaft, upper jaw can be fixed on gathering sill by lower jaw rotating shaft along upper jaw axis of rotation, lower jaw, and lower jaw can be along lower jaw axis of rotation；The upper jaw rotating shaft is respectively arranged at the corresponding both sides up and down of magazine with lower jaw rotating shaft, and upper jaw rotating shaft and lower jaw rotating shaft can be rotated toward relative direction when magazine is moved left and right.The simple structure of surgical ligation Clip Applier of the present invention, easy to use, can grip and use ligation clip.

Description

Surgical ligation Clip Applier

Technical field

The present invention relates to a kind of surgical ligation Clip Applier more particularly to a kind of for, in surgical operation, coordinating ligation clipThe Clip Applier for using, belongs to the surgery Clip Applier field in medicine equipment.

Background technology

In surgical operation, it is often necessary to which, to blood vessel or other fluid circuits, such as bile duct etc. implements ligation operation.LigationFolder is had been widely used in surgery open surgery and Minimally Invasive Surgery at present, and Clip Applier is then the indispensable work for applying ligation clipTool, manipulates ligation clip by using Clip Applier, in order to the ligation in surgical operation for fluid circuit.

The ligation clip used by surgical operation is divided into two big class, and a class is titanium alloy ligation clip, and a class is with polylactic acid-basedThe absorbable ligature clamp that material is made.The domestic Clip Applier for absorbable ligature clamp is mostly single-shot, when applying every time allNeed ligation clip is picked up from packing box, then Clip Applier jaw is stretched into endoscopic catheters or operative incision.Such structure meetingCause clamp process cumbersome, time-consuming longer, and it is susceptible to mistake；It is used for stretching into inside of human body as Clip Applier is anteriorTubular portion be elongated rod shape, its diameter is usually 10mm, and space is very narrow and small, and therefore, its internal structure arrangement is very difficult.As United States Patent (USP) US7585304, its jaw drive mechanism are sufficiently complex, the number of parts being related to is more, for part requirements tenDivide precision, cause manufacturing cost height, easily break down.Therefore, in the urgent need to designing a kind of simple structure, service-strong knotPrick folder and apply mechanism.

Content of the invention

It is an object of the invention to：A kind of surgical ligation Clip Applier is provided, for the Clip Applier of absorbable ligature clamp, solutionThe baroque technical problem of certainly existing Clip Applier, so that can effectively solve the problem that above-mentioned problems of the prior art.

The purpose of the present invention is realized by following technical proposals：A kind of surgical ligation Clip Applier, including tubulose outsideShell, pliers and magazine, are provided with gathering sill in tube-like envelope, magazine is arranged in gathering sill, and can be along the left and right shifting of gathering sillDynamic；The pliers includes that upper jaw, lower jaw, upper jaw rotating shaft and lower jaw rotating shaft, the upper jaw pass through upper jaw rotating shaftIt is fixed on gathering sill, upper jaw can be fixed on gathering sill by lower jaw rotating shaft along upper jaw axis of rotation, lower jaw,Lower jaw can be along lower jaw axis of rotation；The upper jaw rotating shaft and lower jaw rotating shaft are respectively arranged at corresponding upper of magazineLower both sides, and upper jaw rotating shaft and lower jaw rotating shaft can be when magazine be moved left and right toward relative direction rotation.

As a kind of preferred embodiment, be provided with driving post on magazine, the driving post respectively with upper jaw rotating shaft and lower jawRotating shaft is connected, and when driving post towards left movement, upper jaw rotating shaft drives upper jaw to rotate clockwise, and lower jaw rotating shaft drives lower jawRotate counterclockwise.

As another kind of preferred embodiment, driving post is provided with magazine, bent for upper arc at the upper jaw rotating shaft of upper jawFace, is arc lower curved surface at the lower jaw rotating shaft of lower jaw, drives post to be connected at upper and lower arc-shaped curved surface, and can be with bulletStorehouse side-to-side movement.

Used as a kind of preferred embodiment, the driving post is that cylinder, its diameter are turned with upper jaw rotating shaft and lower jawThe distance between axle is corresponding, drives post be connected between upper jaw rotating shaft and lower jaw rotating shaft.

A kind of end as preferred embodiment, the upper jaw and lower jaw is equipped with the bare terminal end crotch that bends inside.

As a kind of preferred embodiment, during the pliers opening, upper jaw and lower jaw form the angle of V-shaped less than 60Degree.

As a kind of preferred embodiment, during the pliers opening, the angle of the front end of upper jaw and lower jaw front end formation V-shapedSpend for 60 degree when, the rear end of the rear end of upper jaw and lower jaw contacts.

As a kind of preferred embodiment, also include that ligation clip, the ligation clip are connected in the end of upper jaw and lower jaw.

Used as further preferred embodiment, the ligation clip is the V-shaped being made up of the first jig arm and the second jig arm, firstThe end of jig arm is provided with the latch hook for bending inside, is provided with hook groove, the latch hook and hook groove shape size in the end of the second jig armCorresponding, and latch hook, when being connected in hook groove, the bottom of groove is caught in the end of latch hook, horizontal in the first jig arm of latch hookHook end clamp column is provided with, and groove end clamp column, first jig arm and second is being provided near the both sides of the second jig arm for hooking grooveThe corner of jig arm V-shaped is flexible hinge.

During use, magazine is promoted using external force so that magazine is moved toward the left side, upper jaw and lower jaw now are opened,The clamp mouth part formed by the Clip Applier upper jaw and lower jaw goes to grip ligation clip, and then magazine is turned right in the presence of external forceMotion, causes upper jaw now and lower jaw closure, where needing to implement ligation, unclamps magazine again so that onJaw and lower jaw are opened and can be gripped ligation clip next time.

In the present invention, the effect of part is as follows：

Drive post：Play a part of to drive upper jaw rotating shaft and lower jaw rotating shaft, when driving post to move toward the left side, driveUpper jaw rotating shaft and lower jaw axis of rotation, so that driven the motion of upper jaw and lower jaw so that upper jaw and lower jawOpen and close can be realized.

Upper jaw, lower jaw：By driving the drive of post so that upper jaw and lower jaw form jaws, for gripping knotFolder is pricked, or by ligation clip clamped closed, for ligaturing.

Gathering sill：Ensure that the transverse shifting of whole magazine.

Compared with prior art, beneficial effects of the present invention：The simple structure of surgical ligation Clip Applier of the present invention, usesConvenient, can grip and use ligation clip, when using, pull magazine to can easily achieve the opening and closing of pliers by external force,When pliers is opened, especially its lever principle, the front end of pliers not over 60 degree, and pliers when blood vessel is pressed from both sides will not because ofOpen excessive and be not convenient to use；In addition, driving post realize the light opening of pliers, it is only necessary to which the rear end toward Clip Applier pullsMagazine, you can the driving post on the magazine for being is moved backward, to prop up at the rotation of pliers, realizes folding.

Description of the drawings

Fig. 1 is the structural representation when jaws of surgical ligation Clip Applier of the present invention is opened.

Fig. 2 is the structural representation when Clip Applier jaws for being provided with ligation clip of the invention is closed.

Fig. 3 is the structural representation when Clip Applier jaws for being provided with ligation clip of the invention is opened.

Fig. 4 present invention is provided with the structural representation when Clip Applier jaws of ligation clip is closed completely.

In figure：1：Upper jaw, 1-1：Upper jaw rotating shaft, 2：Lower jaw, 2-1：Lower jaw rotating shaft, 3：Gathering sill, 4：Magazine,5：Driving post, 6：Ligation clip, 7：Tube-like envelope.

Specific embodiment

With reference to specific embodiment, the present invention is further illustrated.

All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusiveSpeciality and/or step beyond, can combine by any way, unless specifically stated otherwise, can by other equivalent or have classReplaced like the alternative features of purpose, i.e. unless specifically stated otherwise, in a series of equivalent or similar characteristics of each featureIndividual embodiment.

As shown in Figure 1,2,3, 4, surgical ligation Clip Applier of the present invention includes tube-like envelope 7, pliers and magazine 4, tubuloseGathering sill 3 is provided with shell 7, magazine 4 is arranged in gathering sill 3, and can be along 3 left and right movement of gathering sill；The pliers bagUpper jaw 1, lower jaw 2, upper jaw rotating shaft 1-1 and lower jaw rotating shaft 2-1 is included, the upper jaw 1 is solid by upper jaw rotating shaft 1-1On gathering sill 3, upper jaw 1 can be rotated along upper jaw rotating shaft 1-1, and lower jaw 2 is fixed on by lower jaw rotating shaft 2-1 leadsTo on groove 3, lower jaw 2 can be rotated along lower jaw rotating shaft 2-1；The upper jaw rotating shaft 1-1 and lower jaw rotating shaft 2-1 are set respectivelyThe corresponding both sides up and down of magazine 4 are placed in, and upper jaw rotating shaft 1-1 and lower jaw rotating shaft 2-1 can be when magazine 4 be moved left and rightRotate toward relative direction.Specifically, be provided with magazine 4 driving post 5, the driving post 5 respectively with upper jaw rotating shaft 1-1 andLower jaw rotating shaft 2-1 is connected, and when driving post 5 towards left movement, upper jaw rotating shaft 1-1 drives upper jaw 1 to rotate clockwise, lower jawRotating shaft 2-1 drives lower jaw 2 to rotate counterclockwise.The process can pass through drive post and upper jaw rotating shaft and lower jaw rotating shaft itBetween spring link structure is set realizing.When magazine 4 is moved forward, drive post 5 that upper jaw rotating shaft 1-1 and lower jaw are turnedIt is opening shape that axle 2-1 relative motions are formed at the jaw of front end, that is, driving to crank arm opens upper jaw 1 and lower jaw 2；When magazine 4When being moved rearwards by, drive post 5 drive crank arm make upper jaw 1 and lower jaw 2-in-1 hold together, fasten the ligation clip 6 for being placed in clamp position.

Driving post 5 is provided with magazine 4, is upper arc-shaped curved surface, under lower jaw 2 at the upper jaw rotating shaft 1-1 of upper jaw 1It is arc lower curved surface at jaw rotating shaft 2-1, drives post 5 to be connected at upper and lower arc-shaped curved surface, and can transport with magazine 4 or soDynamic.The driving post 5 is cylindrical, and its diameter is relative with the distance between upper jaw rotating shaft 1-1 and lower jaw rotating shaft 2-1Should, drive post 5 be connected between upper jaw rotating shaft 1-1 and lower jaw rotating shaft 2-1.

The end of the upper jaw 1 and lower jaw 2 is equipped with the bare terminal end crotch for bending inside.

During the pliers opening, upper jaw 1 and lower jaw 2 form the angle of V-shaped less than 60 degree；When before upper jaw 1When the angle of end and 2 front end of lower jaw formation V-shaped is 60 degree, the rear end of the rear end of upper jaw 1 and lower jaw 2 contacts.

Also include that ligation clip 6, the ligation clip 6 are connected in the end of upper jaw 1 and lower jaw 2.The ligation clip is served as reasonsFirst jig arm and the V-shaped of the second jig arm composition, are provided with the latch hook for bending inside, in the second jig arm in the end of the first jig armEnd is provided with hook groove, and the latch hook is corresponding with groove shape size is hooked, and latch hook is connected in when hooking in groove, and the end of latch hook is caught onThe bottom of groove is hooked, and hook end clamp column is horizontally arranged with the first jig arm of latch hook, in two near the second jig arm for hooking grooveIt is flexible hinge that side is provided with the corner of groove end clamp column, first jig arm and the second jig arm V-shaped.

The workflow of the present invention：

During use, magazine is promoted using external force so that magazine is moved toward the left side, upper jaw and lower jaw now are opened,The clamp mouth part formed by the Clip Applier upper jaw and lower jaw goes to grip ligation clip, and then magazine is turned right in the presence of external forceMotion, causes upper jaw now and lower jaw closure, where needing to implement ligation, unclamps magazine again so that onJaw and lower jaw are opened and can be gripped ligation clip next time.

In conjunction with the elaboration that accompanying drawing carries out further below：

As shown in Figure 1, the schematic diagram that magazine is packed into gathering sill or takes out magazine from gathering sill.

As shown in Figure 2, upper jaw and lower jaw close up but not closure state schematic diagram, at this point it is possible in Minimally Invasive SurgeryIn the case of, Clip Applier tube-like envelope is stretched into endoscopic catheters.

As shown in Figure 3, upper jaw and lower jaw open schematic diagram, now, are easy to operative doctor that ligation clip is aligned standardThe human body inner catheter of standby ligation.

As shown in Figure 4, upper jaw and lower jaw closure schematic diagram, now, ligation clip is closed, and is completed to human body inner catheterLigation.

Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all in essence of the inventionAny modification, equivalent and improvement that is made within god and principle etc., should be included within the scope of the present invention.

Claims (7)

1. a kind of surgical ligation Clip Applier, including tube-like envelope（7）, pliers and magazine（4）, it is characterised in that：Tube-like envelope（7）Gathering sill is inside provided with（3）, magazine（4）It is arranged at gathering sill（3）Interior, and can be along gathering sill（3）Left and right movement；DescribedPliers includes upper jaw（1）, lower jaw（2）, upper jaw rotating shaft（1-1）With lower jaw rotating shaft（2-1）, the upper jaw（1）LogicalCross upper jaw rotating shaft（1-1）It is fixed on gathering sill（3）On, upper jaw（1）Can be along upper jaw rotating shaft（1-1）Rotate, lower jaw（2）By lower jaw rotating shaft（2-1）It is fixed on gathering sill（3）On, lower jaw（2）Can be along lower jaw rotating shaft（2-1）Rotate；InstituteState upper jaw rotating shaft（1-1）With lower jaw rotating shaft（2-1）It is respectively arranged at magazine（4）Corresponding both sides up and down, and upper jawRotating shaft（1-1）With lower jaw rotating shaft（2-1）Can be in magazine（4）Rotate toward relative direction when moving left and right；In magazine（4）OnIt is provided with driving post（5）, the driving post（5）Respectively with upper jaw rotating shaft（1-1）With lower jaw rotating shaft（2-1）It is connected, drives post（5）During towards left movement, upper jaw rotating shaft（1-1）Drive upper jaw（1）Rotate clockwise, lower jaw rotating shaft（2-1）Drive lower jaw（2）Rotate counterclockwise；The upper jaw（1）And lower jaw（2）End be equipped with the bare terminal end crotch for bending inside.

2. surgical ligation Clip Applier as claimed in claim 1, it is characterised in that：In magazine（4）It is provided with driving post（5）,Upper jaw（1）Upper jaw rotating shaft（1-1）Locate as upper arc-shaped curved surface, lower jaw（2）Lower jaw rotating shaft（2-1）Locate as arc lowerCurved surface, drives post（5）It is connected at upper and lower arc-shaped curved surface, and can be with magazine（4）Side-to-side movement.

3. surgical ligation Clip Applier as claimed in claim 2, it is characterised in that：The driving post（5）For cylinder, which is straightFootpath size and upper jaw rotating shaft（1-1）With lower jaw rotating shaft（2-1）The distance between corresponding, drive post（5）Can be connected inUpper jaw rotating shaft（1-1）With lower jaw rotating shaft（2-1）Between.

4. surgical ligation Clip Applier as claimed in claim 1, it is characterised in that：During the pliers opening, upper jaw（1）WithLower jaw（2）The angle for forming V-shaped is less than 60 degree.

5. surgical ligation Clip Applier as claimed in claim 4, it is characterised in that：During the pliers opening, upper jaw（1）'sFront end and lower jaw（2）When the angle of front end formation V-shaped is 60 degree, upper jaw（1）Rear end and lower jaw（2）Rear end phaseContact.

6. surgical ligation Clip Applier as claimed in claim 1, it is characterised in that：Also include ligation clip（6）, the ligation clip（6）It is connected in upper jaw（1）And lower jaw（2）End.

7. surgical ligation Clip Applier as claimed in claim 6, it is characterised in that：The ligation clip is by the first jig arm andThe V-shaped of two jig arm composition, is provided with the latch hook for bending inside, is provided with hook in the end of the second jig arm in the end of the first jig armGroove, the latch hook are corresponding with groove shape size is hooked, and latch hook is connected in when hooking in groove, and the bottom of groove is caught in the end of latch hookPortion, is horizontally arranged with hook end clamp column in the first jig arm of latch hook, is being provided with groove near the both sides of the second jig arm for hooking grooveThe corner of end clamp column, first jig arm and the second jig arm V-shaped is flexible hinge.