CN202497179U

CN202497179U - Foldable retractor dedicated for single-site laparoscopy

Info

Publication number: CN202497179U
Application number: CN2012200930011U
Authority: CN
Inventors: 夏东亮; 张丽华
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-14
Filing date: 2012-03-14
Publication date: 2012-10-24
Anticipated expiration: 2022-03-14

Abstract

The utility model discloses a foldable retractor dedicated for a single-site laparoscopy, relating to the field of surgery medical instruments. The retractor comprises a cylindrical operation lever (1), a guide plate (2) and a retractor (3), wherein one end of the guide plate (2) is fixedly connected with the operation lever (1) while the other end rotationally connected with the retractor (3), both ends being provided with gaskets (4) fixed thereon , the retractor (3) is provided with a guide slot (31) matching with the guide plate (2), and a groove (21) is arranged in the middle of the guide plate (2). The retractor (3) has a distal end accommodated in the groove (21) if folded so as to be integrated with the operation lever (1). According to the utility model, the safety feature of the conventional poking rod which causes little damage on internal organs is reserved, the defect of the conventional laparoscopy equipment which is unable to bend is overcome, and the retractor is simple in structure and low in cost, thereby facilitating single-site laparoscopy in primary hospitals and benefiting patients.

Description

The special-purpose folding drag hook of single-hole laparoscopic

Technical field

This utility model relates to the surgical medical equipment field, is the special-purpose folding drag hook of a kind of single-hole laparoscopic specifically, in single-hole laparoscopic surgery, is used to draw back intestinal tube and appears the internal organs of being covered by intestinal tube.

Background technology

During laparoscopic surgery, intestinal tube is usually being covered the internal organs (for example vermiform appendix) that need operation, need remove to appear, and could accomplish and detect pathological changes internal organs and operation, appears not good possibly causing and fails to pinpoint a disease in diagnosis mistaken diagnosis and increase surgical injury.The tradition laparoscopic surgery is many to be increased puncture (for example Appendectomy generally abdomen increases puncture in the bottom right) near the stomach wall the operation internal organs and places and dial rod, and intestinal tube by pushing at a distance near the operation internal organs, is fully appeared the operation internal organs, conveniently to detect and operation technique.Dial rod, the simple description is straight pole, can pass in and out the sleeve pipe (Trocar) that runs through stomach wall, is time circular owing to dial the far-end of rod, is difficult to damage intestinal tube mesentery, is a kind of instrument that appears of relatively safety.In recent years, the upsurge to seamlessization development appearred in international and domestic laparoscopic surgery, and modal is umbilical part single-hole laparoscopic surgery technology (U-LESS), and the stomach wall puncture all is positioned at umbilical part, because the effect of covering up of umbilical part, postoperative can reach seamless effect.The U-LESS operation also usually faces need remove the problem that intestinal tube appears the internal organs of performing the operation.But, when U-LESS performs the operation, dial rod and can only insert the abdominal cavity from the umbilical part puncture, because umbilical part away from operation internal organs (for example vermiform appendix), is dialled rod and is in unfavorable position, it is again straight dialling rod, thus appear ability drop, particularly during the intestinal tube inflatable dilatation.At this moment,, intestinal tube is dragged at a distance, needs nipper to clamp intestinal wall, might cause damage intestinal tube as replace dialling rod with nipper.During the tradition abdominal, usually utilize drag hook to retract intestinal tube, can soft the drawing back of intestinal tube effectively be improved the operational capacity that appears of U-LESS so need the special-purpose drag hook of a kind of peritoneoscope.

Summary of the invention

For solving the technical problem of above-mentioned existence; This utility model provides a kind of single-hole laparoscopic special-purpose folding drag hook; Can under control, change shape and remain round club, its external diameter meets the laparoscopic instrument standard, can guarantee can both pass in and out smoothly sleeve pipe at every turn and can not leak gas simultaneously; After this apparatus gets into the abdominal cavity through sleeve pipe, can catch on intestinal tube and tow out in control change shape and remain hook-shapedly down; Can not cause the damage of sharp property to abdominal wall, integrative-structure can not go out active in Intraabdominal phenomenon, and is easy to use, handling safety.

For achieving the above object, the technical scheme that this utility model adopts is following:

The special-purpose folding drag hook of a kind of single-hole laparoscopic; Include cylindric action bars, guide plate and drag hook; Said guide plate one end is fixedly connected with action bars, be rotatably connected drag hook and be set with pad of the other end of said guide plate in its end, and said drag hook is provided with the guide groove that matches with guide plate; Said guide plate middle part is provided with groove; Its far-end of the folding back of said drag hook falls in the said groove and with action bars and becomes as a whole, and the vertical face of all parts all in the vertical face of action bars, guarantees the laparoscopically operating walk way of turnover smoothly.

Rotating angle is smaller or equal to 100 ° between said drag hook and the said guide plate.

This utility model had both kept tradition and had dialled the not security feature of easy damaged internal organs of rod; Overcome the unyielding shortcoming of traditional laparoscopic instrument again; Make that the unfavorable position of umbilical part single-hole laparoscopic surgery causes appear the operation of operation internal organs relatively the problem of difficulty be resolved, this device design is simple, and is cheap; Help basic hospital to carry out single-hole laparoscopic surgery, benefit the patient of basic unit; Have operating effect reliably, utilize gravity and touch the switch drag hook, utilize the function of the simple tractive of drag hook, design retaining pad can limit and keep the drag hook angle when making its work near bearing; Imitation jack knife structural principle utilizes guide groove, guide plate and guide plate groove design, guarantees not squint when drag hook is closed, and satisfies the tight requirement of laparoscopic instrument, can pass in and out operating walk way and can not leak gas again.

Description of drawings

Fig. 1 is the open mode structural representation of this utility model;

Fig. 2 is the folded state structural representation of this utility model.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment this utility model is described in detail:

As depicted in figs. 1 and 2 is a specific embodiment of this utility model; Include cylindric action bars 1, guide plate 2 and drag hook 3; Said action bars 1 diameter is laparoscopic instrument standard size 5 ㎜; Said guide plate 2 one ends and action bars 1 weld together; The other end of said guide plate 2 is connected with drag hook 3 and is fixedly welded with pad 4 in its end through bearing, guarantees that rotating angle is smaller or equal to 100 ° between said drag hook 3 and the said guide plate 2, and said drag hook 3 is provided with the guide groove 31 that matches with guide plate 2; Said guide plate 2 middle parts are provided with groove 21, and said drag hook 3 falls in the said groove 21 through guide groove 31 and guide plate 2 its far-ends of folding back and be as a whole with 1 one-tenth of action bars.Because the design of drag hook guide groove 31 and guide plate 2, drag hook 3 can only carry out on the direction of guide plate 2 when closure, and the vertical face of all parts all in the vertical face of action bars 1, guarantees that drag hook can pass in and out laparoscopically operating walk way after folding smoothly.

In concrete the use, set up CO during the umbilical part single-hole laparoscopic surgery earlier ₂Pneumoperitoneum, and on stomach wall, place sleeve pipe, place endoscope and visit the abdominal cavity; Close drag hook 3, get into abdominal cavity, twist operation bar 1 through the operating walk way in sleeve pipe or the endoscope; Make drag hook 3 vertically downward, rely on gravity to open drag hook 3, move back action bars 1; Open drag hook 3 can touch with sleeve pipe internal orifice edge, relies on to touch to make drag hook 3 be flared to 100 ° of maximum angles, and drag hook pad 4 can limit drag hook 3 hyperextensions again simultaneously.Open drag hook 3 catches on the intestinal tube of operation internal organs covering and tows out and fully appears the operation internal organs.After appearing operation task and finishing, rotary manipulation bar 1 makes drag hook 3 vertically upward, after touching with stomach wall, relies on gravity to close drag hook, because the effect of guide plate 2 and guide plate groove 21, drag hook 3 can tight closure, forms an integral body with action bars 1, withdraws from fully.

Certainly; Above-mentioned explanation is not to be the restriction to this utility model; This utility model also be not limited in above-mentioned for example, variation, remodeling, interpolation or replacement that the technical staff in present technique field is made in the essential scope of this utility model also should belong to the protection domain of this utility model.

Claims

1. a single-hole laparoscopic special use folds drag hook; Include cylindric action bars (1); It is characterized in that, also include guide plate (2) and drag hook (3), said guide plate (2) one ends are fixedly connected with action bars (1); Be rotatably connected drag hook (3) and be set with pad (4) in its end of the other end of said guide plate (2); Said drag hook (3) is provided with the guide groove (31) that matches with guide plate (2), and said guide plate (2) middle part is provided with groove (21), and its far-end of the folding back of said drag hook (3) falls in the said groove (21) and with action bars (1) and becomes as a whole.

2. the special-purpose folding drag hook of single-hole laparoscopic according to claim 1 is characterized in that rotating angle is smaller or equal to 100 ° between said drag hook (3) and the said guide plate (2).