CN201617905U

CN201617905U - Myoma grasping forceps used in laparoscopic surgery

Info

Publication number: CN201617905U
Application number: CN2010201118489U
Authority: CN
Inventors: 张松英
Original assignee: Affiliated Sir Run Run Shaw Hospital of School of Medicine Zhejiang University
Current assignee: Affiliated Sir Run Run Shaw Hospital of School of Medicine Zhejiang University
Priority date: 2010-02-04
Filing date: 2010-02-04
Publication date: 2010-11-03
Anticipated expiration: 2020-02-04

Abstract

The utility model relates to grasping forceps used for grasping myoma in gynecology laparoscopic surgery. The forceps have the advantages that the forceps are simple in structure and flexible and convenient in operation, are capable of firmly clamping myoma tissues, and are not easy to damage pelvic cavity tissues around the myoma. The technical scheme includes that the myoma grasping forceps used in laparoscopic surgery comprise a long, thin and hollow fixed sleeve, the front end of the fixing sleeve is provided with a fixed forceps jaw and hinged with a movable forceps jaw, the rear end of the fixed sleeve is fixed with a front handle, a rear handle is hinged on the front handle, a pull rod capable of sliding axially is positioned inside an inner cavity of the fixed sleeve, two ends of the pull rod are respectively hinged with the movable forceps jaw and a rear handle, a spring device used for controlling the movable forceps jaw to open or close is disposed between the front handle and the rear handle, the spring device is X-shaped and respectively fixed onto two arc-shaped elastic plates on the inner sides of the front handle and the rear handle, and top ends of the two arc-shaped elastic plates are respectively provided with a groove and a projection structure which are embedded mutually and abutted with each other.

Description

Laparoscopic surgery muscular tumor nipper

Technical field

This utility model relates to a kind of clinical treatment operating theater instruments, is used to grasp the nipper of muscular tumor when specifically being meant a kind of gynecological laparoscopic operation.

Background technology

Along with the raising of patient to the operation demand, require the doctor when solving patient's illness, wound is reduced to minimum.Especially women's gynecologic patient wishes that operative incision is little, and the skin surface cicatrix is attractive in appearance, and this has higher requirement with regard to the surgical technic of giving the doctor.

At present, in the gynecological laparoscopic operation, hysteromyoma organizes quality harder, and nipper under the common peritoneoscope is not owing to there is sharp chela, and front end strength is not enough, is difficult to clamp matter sclerous tissues, and slippage easily increases operation easier.The muscular tumor nipper of abdominal commonly used is the scissors structure, all has sharp chela, but because laparoscopic incision is little, reaches the requirement to apparatus length, and these apparatuses are difficult to use under peritoneoscope.

The utility model content

The purpose of this utility model is to overcome the problems referred to above that exist in the background technology, a kind of operation nipper is provided, this nipper should have simple in structure, flexible and convenient operation, firm clamp muscular tumor tissue, the characteristics of the pelvic tissue around the easy damaged tumor not simultaneously.

The technical scheme that the utility model proposes is: laparoscopic surgery muscular tumor nipper, it is characterized in that: this nipper comprises elongated, a hollow fixed sleeving, the front end of fixed sleeving is shaped on fixedly chela and hinged one a mobilizable moveable jaw, a front hand grip is fixed in the rear end of fixed sleeving, and other has a back handle to be hinged on the front hand grip; Location one pull bar in axial sliding in the inner chamber of described fixed sleeving, the two ends of pull bar are hinged with moveable jaw and back handle respectively; Be provided with the spring assembly that the control moveable jaw opens and closes between the handle of described front and back.

Described spring assembly is the X-spring device, comprises two arc flexure strips that are separately fixed at forward and backward handle inboard, and the top of two arc flexure strips is shaped on groove and the bulge-structure that carries out chimeric mutually and mutual roof pressure respectively.

The top of described back handle is shaped on the embeded slot that is used for cylinder lever connecting rod, the rear end of pull bar be shaped on one with the matched convex of embeded slot, this convex is plugged in the embeded slot.

Correspondingly respectively on the occlusal surface of described fixedly chela and moveable jaw be shaped on the blade tooth that two rows are used for clamping tumor body.

Be provided with between the handle of described front and back and regulate the fixedly location structure of folding angle between the chela and moveable jaw.

Described location structure comprises the tooth bar that is hinged on the back handle, and be hinged on the front hand grip and with the unidirectional helical teeth of aforementioned tooth bar engagement; Described tooth bar also is subjected to the roof pressure of arc flexure strip, has the trend of rotating toward unidirectional helical teeth direction.

Operation principle of the present utility model is: fixedly the mutually hinged formation of chela and moveable jaw can be clamped the jaw of tumor body; Therefore this jaw does not have the horizontal open and close movement of traditional vascular forceps clamp, and it is little to have a work surface, can not influence the characteristics of the pelvic tissue around the tumor.Fixedly the sharp-pointed blade tooth on the occlusal surface of chela and moveable jaw is convenient to more firmly promptly tumor soma.Simultaneously, owing to be provided with the X-spring device between the handle of front and back, when handle makes it closed before and after operative doctor forces in, move after promptly spurring pull bar, make fixedly that the jaw between the chela and moveable jaw diminishes (two arc flexure strips in the X-spring device be compressed and increased potential energy) at this moment; Location structure simultaneously between the handle, handle remains on clamped condition before and after can making, and is convenient to operative doctor and is absorbed in and uses the pin position.When operative doctor touch tooth bar in the location structure, remove before and after during the clamped condition of handle, handle made the pull bar reach before and after the elastic potential energy of two arc flexure strips was promptly expanded, and had fixedly just opened jaw between chela and the moveable jaw.

When this utility model used, the front end with this nipper stretched into intraperitoneal earlier, then the front and back handle is opened, and made the jaw between moveable jaw and the fixation clamps become big, and aimed at the tumor body that needs clamp; The application of force makes movable jaw and stationary jaw clamp the tumor body front and back handle closure again, and fixedly the tumor body portion helps the operations such as separation at other positions of tumor body; So repeatedly repeatedly, can reject the muscular tumor tissue fully.

This apparatus is equally applicable to the clamp of other matter sclerous tissueses under the peritoneoscope.

The beneficial effects of the utility model are: 1, this product is applicable to the operation of matter sclerous tissueses such as clamping tumor body in the laparoscopic surgery, need not big otch can be rapidly firm clamp tumor body.

2, shorten operating time, improved the operation quality, alleviated patient's misery.

3, simple, the flexible and convenient operation of product structure is beneficial to and applies.

But 4 repeated disinfection are used, and reduce the operation cost.

Description of drawings

Fig. 1 is a main TV structure sketch map of the present utility model;

Fig. 2 is a user mode sketch map of the present utility model;

Fig. 3 is the A portion structure for amplifying sketch map among Fig. 2;

Fig. 4 is that B among Fig. 1 is to the structure for amplifying sketch map;

Fig. 5 is that D among Fig. 2 is to the structure for amplifying sketch map;

Fig. 6 is the partial enlarged drawing of C portion among Fig. 1;

Fig. 7 be among Fig. 1 the chimeric position of two arc spring laminations overlook the direction enlarged diagram;

Fig. 8 is that E among Fig. 1 is to the structure for amplifying sketch map;

Fig. 9 is the F portion structure for amplifying sketch map among Fig. 1;

The specific embodiment

As shown in the figure, the medical metals material that this operation is used by sterilizing repeatedly with nipper (recommending to adopt rustless steel) is made, the fixed sleeving 3 that comprises an elongated hollow, the rear end of fixed sleeving (right-hand member among the figure) is fixing with front hand grip 4, and other has a back handle 5 to be hinged on the front hand grip; The front end of fixed sleeving is shaped on a fixing chela 2, and a hinged moveable jaw 1, but fixedly chela and moveable jaw form the jaw of a folding.Fixedly correspondingly respectively on the occlusal surface of chela 2 and moveable jaw 1 be shaped on two rows in order to clamp the sharp-pointed blade tooth of tumor body, each row's blade tooth has several (by shown in Figure 8); Wherein Qian Pai blade tooth 2-1 is positioned at the fixedly front end of chela and moveable jaw, and back row's blade tooth 1-1 is arranged on the fixedly middle part of chela, moveable jaw; By the purpose that two row's blade tooths are set is in order to firmly grasp the hard tumor body of matter more firmly.

Location one pull bar 12 slidably in the inner chamber of described fixed sleeving, the front end of pull bar and moveable jaw 1 are hinged, and the rear end of pull bar is connected with back handle 5; The top of back handle 5 is shaped in order to the embeded slot 5-1 (the bottom land width of embeded slot is greater than width of rebate) of pull bar to be installed, the end of pull bar 12 is shaped on a convex 12-1, this convex card is inserted in the embeded slot, pull before and after handle, just can by pull bar drive moveable jaw and fixedly chela do open and close movement.

Be provided with the X-spring device that the control chela opens and closes between the handle of described front and back, this X-spring device comprises that two arc spring laminations, 7,8, two arc spring laminations that intersect X-shaped are respectively by being bolted to the inboard of forward and backward handle; The top of arc spring lamination 7 is shaped on a groove 7-1, the top of another arc spring lamination 8 is shaped on and the matched protruding 8-1 of this groove, groove on two arc spring laminations and projection be chimeric and mutual roof pressure mutually, handle before and after the counteracting force that is produced puts on, handle obtains to open the potential energy of handle before and after making.And move behind (this moment this two arc spring lamination be compressed and gather potential energy) pushing drawing rod before and after operative doctor clamps during handle, thereby can adjust the open amplitude of jaw, to adapt to the tumor body of different volumes.

The end of described front and back handle is provided with the location structure of spacing usefulness, and this location structure comprises the tooth bar 10 that is hinged on the back handle end and the latch 9 of front hand grip bottom; One end of tooth bar is hinged in the articulated joint of back handle end, and the terminal roof pressure of arc spring lamination 8 end of this tooth bar, the trend (as shown in Figure 9) that makes tooth bar 10 have to clockwise rotate; Be shaped on the unidirectional helical teeth 11 of a row and the engagement of aforementioned latch on this tooth bar, can only be closed between the handle before and after the engagement of this unidirectional helical teeth 11 and latch 9 makes and can't open, pitch or dislocate with the accident that prevents front end clamp tissue, be beneficial to operative doctor and more be absorbed in other operation techniques.

Claims

1. laparoscopic surgery muscular tumor nipper, it is characterized in that: this nipper comprises elongated, a hollow fixed sleeving (3), the front end of fixed sleeving is shaped on fixedly chela (2) and hinged one a mobilizable moveable jaw (1), a front hand grip (4) is fixed in the rear end of fixed sleeving, and other has a back handle (5) to be hinged on the front hand grip; Location one pull bar (12) in axial sliding in the inner chamber of described fixed sleeving, the two ends of pull bar are hinged with moveable jaw (1) and back handle (5) respectively; Be provided with the spring assembly that the control moveable jaw opens and closes between the handle of described front and back.

2. laparoscopic surgery muscular tumor nipper according to claim 1, it is characterized in that described spring assembly is the X-spring device, comprise the arc flexure strip (7) and the arc flexure strip (8) that are separately fixed at forward and backward handle inboard, the top of two arc flexure strips is shaped on groove and the bulge-structure that carries out chimeric mutually and mutual roof pressure respectively.

3. laparoscopic surgery muscular tumor nipper according to claim 1 and 2, the top that it is characterized in that described back handle is shaped on the embeded slot (5-1) that is used for cylinder lever connecting rod, the rear end of pull bar be shaped on one with the matched convex of embeded slot (12-1), this convex is plugged in the embeded slot.

4. laparoscopic surgery muscular tumor nipper according to claim 3 is characterized in that corresponding respectively blade tooth (2-1) and the blade tooth (1-1) that is used for clamping tumor body that be shaped on the occlusal surface of described fixedly chela and moveable jaw.

5. laparoscopic surgery muscular tumor nipper according to claim 4 is characterized in that being provided with between the handle of described front and back and regulates the fixedly location structure of folding angle between the chela and moveable jaw.

6. laparoscopic surgery muscular tumor nipper according to claim 5 is characterized in that described location structure comprises the tooth bar (10) that is hinged on the back handle, and be hinged on the front hand grip and with the unidirectional helical teeth (9) of aforementioned tooth bar engagement; Described tooth bar also is subjected to the roof pressure of arc flexure strip (8), has the trend of rotating toward unidirectional helical teeth direction.