CN201668444U

CN201668444U - Intrusive reverse titanium clip

Info

Publication number: CN201668444U
Application number: CN 201020192687
Authority: CN
Inventors: 郭建强
Original assignee: Shandong University
Current assignee: Shandong University
Priority date: 2010-05-17
Filing date: 2010-05-17
Publication date: 2010-12-15
Anticipated expiration: 2020-05-17

Abstract

The utility model relates to an intrusive reverse titanium clip, which comprises a reverse titanium clip. The appearance of the reverse titanium clip is M-shaped, wherein the middle V-shaped portion of the reverse titanium clip is a releasing section, and two sides of the reverse titanium clip are clamping sections, two ends of each clamping section are bent inwards and respectively provided with at least one saw tooth, and the saw teeth at the two ends of each clamping section are meshed with each other. The intrusive reverse titanium clip can realize multi-level multi-degree-of-freedom free release, effectively closes outer walls of abdominal cavity puncture holes, and resolves problems of haemorrhage and fistula of postoperation puncture holes so as to avoid abdominal cavity infection, septicemia and the like caused by gastric fistula, intestinal fistula and the like. The intrusive reverse titanium clip is in the shape of an inverted triangle after being closed, basically intrudes into abdominal cavity tissue, and can prevent damaging visceral organs outside the abdominal cavity as the outer side of the abdominal cavity is smooth. The intrusive reverse titanium clip is convenient, fast and reliable in use and fine in clamping property, has the advantages of having fine clamping property and toughness, avoiding displacement after the clip clamps the abdominal cavity tissue, and can break bottleneck problems that outer walls of abdominal cavities can not closed at present.

Description

Intrusion type inverted titanium clips

Technical field

This utility model relates to a kind of health care apparatus, especially a kind of intrusion type inverted titanium clips.

Background technology

Operative scar, in over one hundred year history of surgery development, the inevitable outcome that is considered to perform the operation, and appear in order to obtain sufficient art open country, major operation just must be adopted the otch than major operation, so the saying of " big doctor, otch greatly " is arranged.Advantages such as up to the eighties in last century, the rise of peritoneoscope Minimally Invasive Surgical Technology make people recognize that gradually the little otch through stomach wall can implement the abdominal part routine operation equally, and it is fast to have post-operative recovery, and the little and cosmetic result of patient suffering is good.Along with being rooted in the hearts of the people of less invasive techniques and Wicresoft's idea, people change gradually to the understanding of operative approach in the past, and " big doctor, little otch " is only the direction of following surgery development.In recent years, a kind ofly be close to the very big interest that the brand new technical of overturning the conventional surgical idea has attracted laparoscopic surgeon and endoscope internist, become research and bone of contention, the NOTES that Here it is is called as " no cicatrix operation ": wear intracavity videoendoscopic surgery (Natural Orifice Transluminal Endoscopic Surgery through natural lacuna, NOTES), Shanghai Long March Hospital's minimally invasive surgery Jiang Daozhen.But because not perfect and be subjected to the influence that the research and development of relevant device and apparatus relatively lag behind to the understanding of its correlation theory, NOTES enter clinical before, also have many problems to be solved.

Closing of tract puncturing hole is a very crucial technical essential in the NOTES technology, also is a difficult point simultaneously.Mode is much closed in proposition at present, comprise that stitching, Endoscope hemostasis folder folder close, closing device, intracavity cutting closer, biogum bonding, laser weld and other methods etc. of particular design, but because closing of tract is confined to its inwall, outer wall still is in non-closed state, therefore postoperative still has quite a few experiment case hemorrhage, the fistula of puncturing hole to occur, and then causes abdominal cavity infection, septicemia etc.Therefore, how well closing the internal organs puncturing hole, avoid generations such as gastric fistula, intestinal fistula, is the difficulty that present NOTES at first will overcome, and remains the further research and development of apparatus.The research and development of NOTES special equipment are that NOTES carries out and successful key smoothly.

Developed at present the new apparatus of various adaptation NOTES technology, as Titanium folder under the scope, zoopery confirm its can safe and effective closed diameter less than the blood vessel of mesentery, serous coat even the liver of 5 mm.The heat energy hemostasis device comprises nipper and crush inhury, can carry out clamp and compressing to tissue flexibly and effectively, is applicable to handle mesentery blood vessel, arteria colica, left gastric artery and cystic artery.After application nipper or crush inhury solidify the blood vessel two ends, cut off from the centre, the hemostasis success rate reaches 100% again.

Being exclusively used in the surgical operation of U type or V-type pricked interior piped titanium folder (for example Chinese state patent 200610050576.4,200720109029.9) for envelope in the implant into body, and above product all is the sealing at the tract inwall; But iff the tract inwall is sealed, outer wall still is in open state, is unfavorable for very much the recovery of organ function, especially for gastrointestinal tract, and develops complications easily, closes at the folder of tract outer wall, does not have the report of Related product so far.The tract outer wall be closed with following difficult point: the operation under the Wicresoft all is to carry out in tract medial wall direction, and the clamping outer wall need solve the problem how clip discharges; The tract outer wall is other internal organs, and clip can not have sharp-pointed end after discharging, otherwise may cause certain damage to adjacent organ.

The sealing of tract outer wall, the especially sealing of gastrointestinal tract outer wall, very high to adding the instrument requirement of holding, can not take too much space, again sharp-pointed profile can not be arranged, with other internal organs in the antisitic defect abdominal cavity.And existing U type or V-type folder can't be applied to the folder of gastrointestinal tract outer wall at all and closes.

The utility model content

The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of and can realize the free release of multistage, multiple degrees of freedom, fast, facility, can prevent the damage of the outer internal organs of tract, effectively realize the closure of tract puncturing hole outer wall, solve hemorrhage, the fistula of postoperative puncturing hole, avoid the intrusion type inverted titanium clips of problems such as abdominal cavity infection that gastric fistula, intestinal fistula etc. cause, septicemia.

For achieving the above object, this utility model adopts following technical proposals:

A kind of intrusion type inverted titanium clips comprises inverted titanium clips, and the profile of described inverted titanium clips is the M type, wherein the intermediary V-type of inverted titanium clips partly is a releasing section, the inverted titanium clips two side portions is a gripping section, two inside bendings in end of gripping section, and these two ends are provided with the sawtooth of at least one engagement.

The angle of described gripping section and releasing section connection is at the 30-45 degree, and the angle of releasing section V-type part is the 30-60 degree, and the angle between the end of gripping section and inwardly bending is the 120-135 degree.

Described releasing section V-type bottom and releasing section and gripping section junction are round-corner transition.

This utility model compared with prior art, have the following advantages and effect: this utility model can be realized the free release of multistage, multiple degrees of freedom, effectively realize the closure of tract puncturing hole outer wall, solve hemorrhage, the fistula of postoperative puncturing hole, and then avoid problems such as abdominal cavity infection that gastric fistula, intestinal fistula etc. cause, septicemia.In addition, be del after the inverted titanium clips closure of the present utility model, and invade cavity organization substantially, the tract outside is smooth, can prevent the damage of the outer internal organs of tract.This utility model is easy to use, quick, reliable, and gripping performance is good, has good clamping and toughness, can not produce after the clamping characteristics such as displacement, and can break through present insurmountable tract outer wall can't closed bottleneck.

Description of drawings

Fig. 1 is this utility model structural representation;

Fig. 2 is that this utility model discharges the back sketch map;

Fig. 3 is step 1 sketch map among this utility model embodiment;

Fig. 4 is step 2 sketch map among this utility model embodiment;

Fig. 5 is step 3 sketch map among this utility model embodiment;

Fig. 6 is step 4 sketch map among this utility model embodiment;

1. releasing sections wherein, 2. gripping section, 3. end, 4. sawtooth, 5. tract, 6. trocar sheath, 7. inner sleeve, 8. control stick, 9. the tract outside.

The specific embodiment

Below in conjunction with drawings and Examples this utility model is further specified.

Among Fig. 1,2, a kind of intrusion type inverted titanium clips, comprise inverted titanium clips, the profile of described inverted titanium clips is the M type, wherein the intermediary V-type of inverted titanium clips partly is a releasing section 1, the inverted titanium clips two side portions is a gripping section 3, two ends, the 3 inside bendings of gripping section 3, and these two ends 3 are provided with the sawtooth 4 of at least one engagement.

Specific requirement during according to use can customize the inverted titanium clips that all size differs.In general, for gastrointestinal tract NOTES treatment technology, the diameter of trocar sheath 6 requires 3.7-4.2mm, gripping section 2 length of inverted titanium clips are 2-3mm, releasing section 1 length 1-2mm, releasing section 1V type bottom and releasing section 1 are round-corner transition with gripping section 2 junctions, and the radius of corner between gripping section 2 and the releasing section 1 is not less than 2mm.Before the release, inverted titanium clips is restrained condition in trocar sheath 6.The angle of gripping section 2 and releasing section 1 connection is at the 30-45 degree, and the angle of releasing section 1V type part is the 30-60 degree, and the angle between the end 3 of gripping section 2 and inwardly bending is the 120-135 degree.

Shown in Fig. 3-6, a kind of using method of intrusion type inverted titanium clips may further comprise the steps:

1). the releasing section 1V type bottom of inverted titanium clips is linked to each other with control stick 8, releasing section 1 is inserted in the inner sleeve 7 from the V-type bottom, again whole inverted titanium clips sleeve pipe is gone in the trocar sheath 6, under the synergy of trocar sheath 6, inner sleeve 7 and control stick 8, inverted titanium clips sent into and wait to seal the tract outside 9;

2). after inverted titanium clips was fed to assigned address, with trocar sheath 6 rollbacks, inverted titanium clips recovered under gripping section 2 self resilience force effect and realizes that opening of gripping section 2, inner sleeve 7 and control stick 8 keep static and guarantee that titanium folder releasing section 1 still suffers restraints;

3). inverted titanium clips is shifted under the synergy of inner sleeve 7 and control stick 8 and is treated in the enclosed cavity pipeline outer wall, and inner sleeve 7 discharges titanium folder releasing section 1 gradually, and the titanium folder begins to invade treats enclosed cavity pipeline outer wall tissue;

4). inner sleeve 7 shifts out the tract outer wall gradually, and inverted titanium clips is realized closed under releasing section 1 self resilience force effect, the whole tissue of invading of inverted titanium clips this moment; Control stick 8 continues the effect of tension power afterwards, and inverted titanium clips is realized self-isolation in the triangle rock-steady structure of self, and the pulling force of enough external force opposing control sticks 8 is provided, and disconnects and breaks away from titanium until control stick 8 and press from both sides, and so far, realizes the sealing of tract outer wall.

Described step 1)-4) inner sleeve 7 in is provided with and plays the fixedly groove of inverted titanium clips effect, and inner sleeve 7 can freely rotate, and increases the inverted titanium clips degree of freedom.

Be del after the inverted titanium clips closure of the present utility model, and invade tract 5 tissues substantially, tract 5 outer walls are smooth, can prevent the damage of the outer internal organs of tract.

Claims

1. intrusion type inverted titanium clips, it is characterized in that: comprise inverted titanium clips, the profile of described inverted titanium clips is the M type, wherein the intermediary V-type of inverted titanium clips partly is a releasing section, the inverted titanium clips two side portions is a gripping section, two inside bendings in end of gripping section, these two ends are provided with the sawtooth of at least one engagement.

2. intrusion type inverted titanium clips according to claim 1, it is characterized in that: the angle of described gripping section and releasing section connection is at the 30-45 degree, the angle of releasing section V-type part is the 30-60 degree, and the angle between the end of gripping section and inwardly bending is the 120-135 degree.

3. intrusion type inverted titanium clips according to claim 1 is characterized in that: described releasing section V-type bottom and releasing section and gripping section junction are round-corner transition.