CN201219907Y

CN201219907Y - Blind type suture knotter

Info

Publication number: CN201219907Y
Application number: CNU2008201206336U
Authority: CN
Inventors: 李伟; 陆军忠; 朱小颖; 华斌; 华婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-03
Filing date: 2008-07-03
Publication date: 2009-04-15
Anticipated expiration: 2018-07-03

Abstract

The utility model relates to the field of a medical appliance, and aims at providing a blind suture knotter used in surgery. The blind suture knotter comprises a knot pushing device and a knot clamping device, wherein the knot pushing device comprises a hollow outer sleeve (5), and a pair of sleeve wire ears (51) is symmetrically arranged outside the end part of the outer sleeve (5); the knot clamping device is sleeved in the outer sleeve (5), and the knot holding device is axially and movably connected with the outer sleeve. The blind suture knotter of the utility model can complete the suture knot with reliable quality in a body cavity or on deep tissues orthoptically or blindly in a space much smaller than usual, is used for meeting the knotting requirement for surgical clinic under special conditions, and improves the quality of surgery.

Description

Blind type suture knotter

Technical field

This utility model relates to medical instruments field, specifically, is the blind type suture knotter that a kind of surgical operation is used.

Background technology

The suture knotting is one of operation the most basic in the surgical operation, and solid, reliable-quality knot is one of successful key factor of operation.Used clinically knotting method has two kinds of maneuver knotting and instrumental ties.The former is difficult to finish under the situation that surgical finger can not get at, so be not suitable for the deep knotting; Instrumental tie is applicable to deep operation, and common have knot method and a sleeve joint method dual mode, all need finish under the direct-view situation.The former is after maneuver knotting, pinches an arm of suture on the other hand by the doctor, and another hands pushes with another arm of the toe-in suture that the knot pusher handle is gripped by the assistant, withdraws from knot pusher then, and the maneuver that reuse is identical pushes away second toe-in.Though this method can be finished the generation of deep toe-in, owing to can't clamp first toe-in usually, it is got loose in the deep, cause the failure of whole toe-in, thereby lead to grave consequences; And sleeve joint method only is applicable to the ligation of deep tissue or blood vessel stump usually, is the arm that ready made Slipped Clove Hitch is tied suture is along the line pushed, and finishes the generation of toe-in, for non-residual disconnected sex organization or position, as common simple or " 8 " word stitching etc. and inapplicable.At present, still do not have both at home and abroad can blind look or the direct-view condition under, finish the generation of stitching common on the deep tissue (such as above-mentioned simple or " 8 " word stitching etc.) toe-in, can guarantee that the suture knotter that toe-in can not get loose occurs simultaneously again.

The utility model content

The purpose of this utility model is to overcome deficiency of the prior art, and a kind of blind type suture knotter is provided.This wire twister can be in than much smaller generally speaking space, and direct-view or blind ground perfect aspect intracavity or the deep tissue reliable-quality knot of improving quality of looking generate, and in order to satisfy the knotting requirement the surgical clinical specific condition under, improve the quality of performing the operation.

To achieve these goals, the technical scheme taked of this utility model is:

A kind of blind type suture knotter comprises knot pusher and folder knot device, and described knot pusher comprises a hollow trocar sheath, and outside, telescopic outside end is provided with a pair of cover line ear symmetrically; Described folder knot device is inserted in the middle of the trocar sheath, and the two is movably connected vertically.

As a kind of improvement of this utility model blind type suture knotter, described folder knot device comprises hollow outer tube and is enclosed within the push rod of doing axially-movable in the outer tube; The end of described push rod is provided with a folder device.

As a kind of improvement of this utility model blind type suture knotter, described folder device is the ambulatory splint knot lip that an activity is fixed on the push rod bottom, and fixation clamp knot lip on the other side links to each other with folder knot chassis; Described folder knot chassis is fixed on the bottom of outer tube.

As a kind of improvement of this utility model blind type suture knotter, described folder knot chassis is provided with the clamp mouth.

As a kind of improvement of this utility model blind type suture knotter, described clamp mouth is a circular port.

As a kind of improvement of this utility model blind type suture knotter, the engagement surface of described fixation clamp knot lip and ambulatory splint knot lip is provided with grinding tooth.

As a kind of improvement of this utility model blind type suture knotter, be axially arranged with at least one gathering sill on the tube wall of described outer tube; The guiding steel ball supporting with gathering sill is installed in the tube wall of trocar sheath.

As a kind of improvement of this utility model blind type suture knotter, the end of described outer tube is connected with the hands handle; Described handle matches with the finger ring of two cover fingers; Described finger ring is fixed on the described trocar sheath and is vertical with the plane at described cover line ear place.

As a kind of improvement of this utility model blind type suture knotter, described handle is connected with back-moving spring.

As a kind of improvement of this utility model blind type suture knotter, described cover line ear is a circular port.

Advantage of the present utility model is that the generation of toe-in can finish under non-direct-view, satisfy the specification requirement that minimally invasive surgery is little to the working place, the operational quality requirement is tight.The toe-in reliable in quality that generates can not get loose.This is that folder knot device was just released after second toe-in pushed owing to promptly clamped by folder knot device after first toe-in generates, thereby has guaranteed the generation quality of toe-in.To the working place require lowly, only need the access way of about 1.5 centimetres of diameters to get final product complete operation.The handle of wire twister end adds the structure form of finger ring, and the flexible transport power that is more conducive to the operator uses.

Description of drawings

Fig. 1 be this utility model blind type suture knotter structural representation.

Fig. 2 is the partial top view of Fig. 1.

Fig. 3 is the left view of Fig. 2.

Fig. 4 is the partial enlarged drawing of folder knot device among Fig. 1.

Among the figure: 1 fixation clamp knot lip, 2 ambulatory splints knot lip, 3 sleeve pipes, 31 gathering sills, 32 steel balls, 4 push rods, 5 trocar sheaths, 51 cover line ears, 6 folder knot chassis, 61 clamp mouths, 62 grinding tooths, 7 finger rings, 8 back-moving springs, 9 handles.

The specific embodiment

In order further to illustrate the technical solution of the utility model, describe specific embodiment in detail below in conjunction with accompanying drawing.

As shown in Figure 1, this utility model blind type suture knotter is made up of knot pusher and folder knot device two parts, all adopts rustless steel or other medical hard metal material to make.Knot pusher is about 10～25 centimetres hollow metal pipe as

trocar sheath

5,6～10 millimeters of the internal diameters of this

trocar sheath

5,1～2 millimeter of wall thickness by one; Outside, end at trocar sheath 5 is provided with a pair of cover line ear 51 symmetrically, and cover line ear 51 is the circular rings of hollow, allows suture to pass through wherein; Folder knot device is by hollow outer tube 3 and be enclosed within the push rod 4 of doing axially-movable in the outer tube 3 and the folder device that is connected in its lower end formed; The round external diameter of outer tube 3 is slightly less than the round internal diameter of trocar sheath 5, and also less than the round internal diameter of outer tube 3, three's diameter of push rod 4 axially is being movably connected, and its middle external tube 3 is about 20～50 centimetres, and the summary that push rod 4 compares is long; The gathering sill 31 that the bar axial recess is arranged on the tube wall, the guiding steel ball 32 supporting with gathering sill 31 is installed in the tube wall of trocar sheath 5, steel ball 32 half is absorbed in the gathering sill 31 and can rolls, make that outer tube 3 packs in the middle of the trocar sheath 5 after, can only do axially-movable and can not radially rotate; The end of outer tube 3 is circular handle 9, is convenient to the finger extruding; The front end of handle 9 is provided with a pair of finger ring 7, and plane, finger ring 7 place is vertical mutually with cover plane, line ear 51 place, can avoid interfering with the separated time of two cover line ears 51; The inside of above-mentioned handle 9 is provided with back-moving spring 8, has unclamped after handle 9 presses down and has returned the original position effect again.

Fig. 1, Fig. 2, Fig. 3 and Fig. 4 have shown the structure of front end folder device, comprise that one is connected push rod 4 bottoms active ambulatory splint knot lip 2 and the fixation clamp knot lip 1 corresponding with ambulatory splint knot lip 2; The head of ambulatory splint knot lip 2 is hinged with push rod 4 and outer tube 3 respectively, forms lever principle, and the two remains a kind of opening shape under relaxed state, when pressing down when pushing away before handle 9 makes push rod 4, ambulatory splint knot lip 2 just upwards upset form interlock with fixation clamp knot lip 1; Fixation clamp knot lip 1 and ambulatory splint knot lip 2 are provided with grinding tooth 62 on engagement surface, sting tight fine rule therebetween to be more convenient for; Fixation clamp knot lip 1 links to each other with folder knot chassis 6, can be processed to form by same material; Folder knot chassis 6 is fixedly connected in the bottom of outer tube 3 by the sidewall of outer tube 3, and has circular clamp mouth 61 on the chassis.

Below be the application of this utility model blind type suture knotter in surgical operation:

1. after finishing suture operation, earlier the toe-in suture is preset, then two arms of suture are drawn patient's body cavity, generate first toe-in and appropriately press down in the external use maneuver.

2. will press from both sides the knot device in advance and be inserted in the knot pusher, and two arms of suture be penetrated clamp mouth 61 on the folder knot chassis 6 simultaneously, and then separately, forward pass the cover line ear 51 on the both sides trocar sheath 5 respectively, place the hands of operative doctor more together.

3. another hands of doctor pushes away under knot pusher and folder knot device are suitably exerted oneself synchronously, enters into endoceliac stitching along suture and finishes the position, pushes away under folder knot device can not continue; It is motionless that keep folder knot device by the assistant this moment, pushes away knot pusher under the doctor continues, urgent with pushing away under first toe-in.

4. the assistant is inserted in forefinger and middle finger and is clamped the knot device in the finger ring 7, thumb presses down handle 9 and promotes push rod 4 and firmly suitable, ambulatory splint knot lip 2 on the folder knot device is drawn close to fixation clamp knot lip 1, just now the toe-in that forms is clamped, try gently to carry folder knot device then, feel when having resistance to carry on can not continuing, illustrate that toe-in is clamped.

5. this moment, the assistant kept folder knot device in this state, was moved on knot pusher along folder knot device by the doctor, and cover line ear on knot pusher 51 exposes at body surface; Before cover line ear 51, generate second with maneuver and preset knot, and two arms of this toe-in are penetrated respectively again be aggregated in doctor's hands after overlapping line ear 51.

6. the doctor suitably firmly down pushes away knot pusher, the sensation toe-in on earth after, make the assistant unclamp the push rod 4 of folder knot device again, make two folder knot lips separation; Suitably firmly press down again knot pusher and on carry toe-in two arms, finish second toe-in and compress first toe-in.

7. repeating step 4 to 6, and suture knotter is withdrawed from the generation of several toe-ins after finishing at last.

At last, it is also noted that what more than enumerate only is a specific embodiment of the present utility model.Obviously, this utility model can also have many distortion, and all distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of this utility model all should be thought protection domain of the present utility model.

Claims

1. a blind type suture knotter comprises knot pusher and folder knot device, it is characterized in that described knot pusher comprises a hollow trocar sheath (5), is provided with a pair of cover line ear (51) symmetrically in the outside, end of trocar sheath (5); Described folder knot device is inserted in the middle of the trocar sheath (5), and the two is movably connected vertically.

2. blind type suture knotter according to claim 1 is characterized in that, described folder knot device comprises hollow outer tube (3) and is enclosed within the push rod (4) of doing axially-movable in the outer tube (3); The end of described push rod (4) is provided with a folder device.

3. blind type suture knotter according to claim 2 is characterized in that, described folder device is the ambulatory splint knot lip (2) that an activity is fixed on push rod (4) bottom, and fixation clamp knot lip on the other side (1) links to each other with folder knot chassis (6); Described folder knot chassis (6) is fixed on the bottom of outer tube (4).

4. blind type suture knotter according to claim 3 is characterized in that, described folder knot chassis (6) is provided with clamp mouth (61).

5. blind type suture knotter according to claim 4 is characterized in that, described clamp mouth (61) is a circular port.

6. according to each described blind type suture knotter in the claim 3 to 5, it is characterized in that the engagement surface of described fixation clamp knot lip (1) and ambulatory splint knot lip (2) is provided with grinding tooth (62).

7. blind type suture knotter according to claim 2 is characterized in that, is axially arranged with at least one gathering sill (31) on the tube wall of described outer tube (3); The guiding steel ball (32) supporting with gathering sill (31) is installed in the tube wall of trocar sheath (5).

8. blind type suture knotter according to claim 7 is characterized in that, the end of described outer tube (3) is connected with handle (9); Described handle (9) matches with the finger ring (7) of two cover fingers; It is last and vertical with the plane at described cover line ear (51) place that described finger ring (7) is fixed on described trocar sheath (5).

9. blind type suture knotter according to claim 8 is characterized in that, described handle (9) is connected with back-moving spring (8).

10. blind type suture knotter according to claim 1 is characterized in that, described cover line ear (51) is a circular port.