CN206499500U

CN206499500U - One kind stretches formula aneurysm clip in can rolling over

Info

Publication number: CN206499500U
Application number: CN201621192611.1U
Authority: CN
Inventors: 黄晓明
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-10-28
Filing date: 2016-10-28
Publication date: 2017-09-19
Anticipated expiration: 2026-10-28

Abstract

One kind stretches formula aneurysm clip in can rolling over, left jig arm and right jig arm symmetrical shape, and left and right jig arm is linked together by spring, two blend stops are separately positioned near the interaction locations on the forward and backward surface of left and right jig arm, the left jig arm is hinged by lever piece and gripping section to be constituted, gripping section is sequentially hinged by more than one articular lamella and formed, and lever piece is made up of left convex semicircle segmental arc and right convex section and left ramp down section tandem array.This aneurysm clip parts are few, simple in construction, are easy to processing.The alternative existing multiple aneurysm clips of this aneurysm clip one, and complete to close irregular aneurysmal folder, and the tumour progress folder behind the blood vessel of visual area can be closed across arteries.

Description

One kind stretches formula aneurysm clip in can rolling over

Technical field

The utility model be related to surgical operating instrument, particularly cranial surgery be used for press from both sides close the fixture of arteries tumour.

Background technology

Aneurysm clip in operation for intracranial aneurysm using widely, its product and species and model on the market at present It is various.Because the position of intracranial aneurysm generation is different and comes in every shape, therefore, if the operation of every entocranial artery needs to prepare The aneurysm clip of dry type number is very more, is closed for selecting suitable aneurysm clip to carry out folder.Operation is set to become complicated, it is difficult to grasp Make.In addition the surgical field of view narrow space, no small difficulty is added to clip operation.

Chinese patent literature is disclosed a kind of " aneurysm clip and the aneurysm clip placement pliers coordinated with it " （CN201120337070.8）.Two jig arm that the aneurysm clip is combined together by elastomeric element, the jig arm includes using Provided with recessed on the outside of the gripping section and the lever piece of control gripping section activity of clamping Aneurysmal neck, the lever piece of two jig arm Groove, the groove is corresponding with the lever piece bearing of trend of jig arm；There is problems with it：The gripping section of its jig arm can not be to multiple Miscellaneous shape, such as arc, the aneurysm of semicircle shape carry out effective totally enclosed type folder and closed, thus this complicated shape is moved Arteries and veins knurl, can only carry out folder using multiple clips and close, increase operating difficulty, and to close effect undesirable for folder.

Chinese patent literature is also disclosed " a kind of articulated type aneurysm clip "（CN201610254105.9）.Pass through elasticity dress Put and connect as one and two retractable jig arm, fair device is connected between two jig arm, two jig arm are included extremely respectively It is hinged between few two joint arms, adjacent two joint arm using hinge ... ....Its whole jig arm can be with curved or semicircle Type ... ..., so that adapting to the especially many side encirclement type aneurysms ... ... of different shape realizes complete clamping aneurysm. But, there is following defect in it：First, parts are more, structure is more complicated；Second, due to the visual area scope very little of operation of opening cranium, Especially in the case of one perforate of head, aneurysm is located at arteries behind, and the aneurysm clip can not be across blood vessel to aneurysm Folder is carried out to close.

Utility model content

The purpose of this utility model, which is to provide one kind, to be closed across blood vessel to the vertical folder of irregular aneurysm progress（Along parallel to Artery direction folder is closed）Roll in stretch formula aneurysm clip.

What the purpose of this utility model was realized in：One kind stretches formula aneurysm clip, left jig arm and right jig arm shape in can rolling over Shape is symmetrical, and left and right jig arm is linked together by spring, and two blend stops are separately positioned on the friendship on the forward and backward surface of left and right jig arm Near mutual position, the left jig arm is hinged by lever piece and gripping section to be constituted, and gripping section is sequentially cut with scissors by more than one articular lamella Connect and form, lever piece is made up of left convex semicircle segmental arc and right convex section and left ramp down section tandem array.

The articular lamella is that the axle on three, previous articular lamella is loosely inserted into the hole on lever piece top, latter joint Axle on plate is loosely inserted into the hole on previous articular lamella, and three articular lamellas be hinged after the clamping face that is formed be a plane.

The lower inside of the lever piece has for strutting the flange that support is engaged.

Another object of the present utility model, which is to provide one kind, to be closed across blood vessel to the horizontal folder of irregular aneurysm progress（Hang down on edge It is straight to be closed in artery direction folder）Roll in stretch formula aneurysm clip.

What the another object of utility model was realized in：One kind stretches formula aneurysm clip, left jig arm and right jig arm in can rolling over Symmetrical shape, and left and right jig arm is linked together by spring, two blend stops are separately positioned on the forward and backward surface of left and right jig arm Near interaction locations, the left jig arm is hinged by lever piece and gripping section to be constituted：Lever piece is by left convex semicircle segmental arc and right convex arc Shape section and left ramp down section tandem array composition, activity insertion is horizontal respectively for two piece axles of the gripping section on two vertical articular lamellas Constituted into two holes at the left and right two ends of articular lamella, and in the hole in the middle part of the horizontal articular lamella of axle activity insertion on lever piece.

The clamping face that the horizontal articular lamella and two vertical articular lamellas are formed after being hinged is a plane.

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

1st, parts are few, simple in construction, are easy to processing.

2nd, the alternative existing multiple aneurysm clips of this aneurysm clip one, and complete to close irregular aneurysmal folder, and Folder can be carried out across arteries to the aneurysm behind the blood vessel of visual area to close.

To complicated shape（Irregularly, it is curved etc.）Aneurysm clip closed operation, it is not necessary to multiple aneurysm clips, only need one This individual aneurysm clip can be completed.After the exposure of visual area, using gripper clamp clipping operation section（Also referred to as handle）The flange of bottom, overcomes The elastic force of spring, left and right jig arm is parallel separated, the gripping section of left and right jig arm is directed at aneurysmal root, and according to artery The profile of knurl, the articular lamella of bending gripping section carries out folder and closed.

Irregular aneurysm of this aneurysm clip before to visual area direction arteries carry out folder close it is outer, moreover it is possible to across moving Arteries and veins blood vessel carries out folder to the aneurysm after blood vessel and closed.

This money aneurysm clip is that turning joint plate and two lever piece shapes are devised on the basis of existing aneurysm clip Into for crossing over arterial vascular circle, the shape that aneurysm clip can be constantly adjusted by the activity in joint closes different shape to press from both sides, The aneurysm of diverse location.Folder closes local blood vessel structure can be fully reduced after aneurysm, form, out of shape, will not cause part Narrow, the distortion of blood vessel.Make blood vessel patency more preferably, the compliance of blood flow is bigger, and the spasm extent of blood vessel is lighter.Reduce The incidence of cerebral ischemia and cerebral infarction.Therefore, the advantage of this aneurysm clip allows operation for intracranial aneurysm more human nature and more Safety.

Brief description of the drawings

Fig. 1 is the stereogram that the utility model erects type aneurysm clip across blood vessel（The not shown blend stop of gripping section straightened condition, is shown in Fig. 2, Fig. 4, Fig. 5）.

Fig. 2 is the stereogram of another view directions of aneurysm clip shown in Fig. 1（Gripping section case of bending）.

Fig. 3 is the three-dimensional installation diagram of left jig arm shown in Fig. 1.

Fig. 4, Fig. 5 are Fig. 1 front view respectively（Cut-away section）And left view.

Fig. 6, Fig. 7 are front view and left view of the utility model across the horizontal type aneurysm clip of blood vessel respectively.

Fig. 8（Two vertical articular lamellas are perpendicular to horizontal articular lamella）, Fig. 9（Under Fig. 8 states, two vertical articular lamellas are inside Deflect certain angle）It is the stereogram in Fig. 6 different visual angles direction respectively.

Figure 10 is the assembling stereogram of left jig arm shown in Fig. 8.

Figure 11 is the assembling stereogram of right jig arm shown in Fig. 8.

Embodiment

Fig. 4, Fig. 5 show that one kind stretches formula aneurysm clip in can rolling over, left jig arm and right jig arm symmetrical shape, and spring by it is left, Right jig arm is linked together, and two blend stops are separately positioned near the interaction locations on the forward and backward surface of left and right jig arm, the left side Jig arm 11 is hinged by lever piece 11a and gripping section and constituted, and gripping section is sequentially hinged by more than one articular lamella and formed, lever piece 11a is made up of left convex semicircle segmental arc and right convex section and left ramp down section tandem array（Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 1, It is identical with the 3rd articular lamella in Fig. 3 after rounding at the top of the 3rd articular lamella 11d in Fig. 2）It is left when not by external force referring to Fig. 4, Fig. 1 Two clamping faces laminating of the gripping section of jig arm 11 and right jig arm 12.Left ramp down section in the lever piece of left jig arm can be perpendicular Directly to hypomere or right ramp down section.Left convex semicircle segmental arc and right convex semicircle segmental arc on left and right two lever pieces of jig arm be not One circular during by external force, external force overcome the elastic force of spring 13 and make left and right jig arm left and right jig arm is parallel open when may span across blood Pipe, when left and right jig arm removes external force, blood vessel is inserted in the circle of two lever pieces, at interaction locations, the lever piece of left jig arm Bottom surface have a cut segment, equally, there is a cut segment above the lever piece of right jig arm, referring to Fig. 1, Fig. 2, Fig. 4, Fig. 5, two Blend stop 14 has been used for the position-limiting action that left and right jig arm is opened.The articular lamella is the axle 11b1 on three, previous articular lamella 11b In the hole for being loosely inserted into lever piece 11a tops, the axle on latter articular lamella 11c is loosely inserted on previous articular lamella 11b In hole, and three articular lamellas be hinged after the clamping face that is formed be a plane.In Fig. 3, previous articular lamella 11b is hinged with lever piece, Latter articular lamella 11c is hinged with previous articular lamella, then to be that axle on the 3rd articular lamella 11d is loosely inserted into latter for latter articular lamella Formed and be hinged in hole on articular lamella 11c.The lower inside of the lever piece 11a has for strutting the flange that support is engaged 11a1.This erects type across blood vessel simple joint template, doublejointed template and three joint templates again（Fig. 1~Fig. 5 is three joint templates）.

Fig. 6, Fig. 7 show that left jig arm 21 is connected as one with right jig arm 22 through spring 23, when not by external force, left and right jig arm The clamping face of middle gripping section is bonded to each other together by spring force, forms folder and closes.Two blend stops 24 open to left and right jig arm Play position-limiting action.Fig. 6, Fig. 7, Figure 10 shown, left jig arm and right jig arm symmetrical shape, and left and right jig arm is connected in one by spring Rise, two blend stops are separately positioned near the interaction locations on the forward and backward surface of left and right jig arm, and the left jig arm 21 is by lever piece 21a and gripping section are hinged composition：Lever piece 21a is by left convex semicircle segmental arc and right convex section and left ramp down section tandem array Composition, horizontal articular lamella 21b left and right two is inserted in activity to two axles of the gripping section on two vertical articular lamella 21c, 21d respectively Constituted in two holes at end, and in the hole in the middle part of the horizontal articular lamella 21b of axle 21a2 activity insertions on lever piece（Referring to Fig. 8, figure 9）.

Referring to Figure 10, Figure 11, the lever piece symmetrical shape of both left and right jig arm, and the gripping section of the two（By structure phase The horizontal articular lamella of same one and two vertical articular lamellas compositions）Same symmetrical shape.Horizontal articular lamella 21b and two are vertical The clamping face that articular lamella 21c, 21d are formed after being hinged is a plane.Lever piece 21a lower inside has for strutting support phase The flange 21a1 of cooperation.

Claims

1. one kind stretches formula aneurysm clip, left jig arm and right jig arm symmetrical shape in can rolling over, and left and right jig arm is connected in one by spring Rise, two blend stops are separately positioned near the interaction locations on the forward and backward surface of left and right jig arm, it is characterized in that, the left jig arm （11）By lever piece（11a）Composition is hinged with gripping section, gripping section is sequentially hinged by more than one articular lamella and formed, lever piece （11a）It is made up of left convex semicircle segmental arc and right convex section and left ramp down section tandem array.

2. one kind according to claim 1 stretches formula aneurysm clip in can rolling over, it is characterized in that, the articular lamella is three, preceding One articular lamella（11b）On axle（11b1）It is loosely inserted into lever piece（11a）In the hole on top, latter articular lamella（11c）On Axle is loosely inserted into previous articular lamella（11b）On hole in, and three articular lamellas be hinged after the clamping face that is formed be a plane.

3. one kind according to claim 1 or 2 stretches formula aneurysm clip in can rolling over, it is characterized in that, the lever piece（11a）'s Lower inside has for strutting the flange that support is engaged（11a1）.

4. one kind stretches formula aneurysm clip, left jig arm and right jig arm symmetrical shape in can rolling over, and left and right jig arm is connected in one by spring Rise, two blend stops are separately positioned near the interaction locations on the forward and backward surface of left and right jig arm, it is characterized in that, the left jig arm （21）By lever piece（21a）Composition is hinged with gripping section：Lever piece（21a）By left convex semicircle segmental arc and right convex section and a left side Ramp down section tandem array is constituted, and gripping section is by two vertical articular lamellas（21c、21d）On two axles activity insertion is horizontal respectively To articular lamella（21b）Constituted in two holes at left and right two ends, and the axle on lever piece（21a2）The horizontal articular lamella of activity insertion （21b）In the hole at middle part.

5. one kind according to claim 4 stretches formula aneurysm clip in can rolling over, it is characterized in that, the horizontal articular lamella（21b） With two vertical articular lamellas（21c、21d）The clamping face formed after being hinged is a plane.

6. one kind according to claim 4 or 5 stretches formula aneurysm clip in can rolling over, it is characterized in that, the lever piece（21a）'s Lower inside has for strutting the flange that support is engaged（21a1）.