CN2691498Y

CN2691498Y - Peritoneoscope surgical forceps

Info

Publication number: CN2691498Y
Application number: CN 200420022085
Authority: CN
Inventors: 钟李宽
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-04-18
Filing date: 2004-04-18
Publication date: 2005-04-13
Anticipated expiration: 2014-04-18

Abstract

The utility model relates to a pair of peritoneoscope surgical forceps which can be used for dragging, fixing and peeling tissues, etc. in celiac operation. The utility model comprises a handle body, a movable handle and a core bar component which can achieve the opening and closing of a celiac opening through the rotation of the movable handle. The utility model is characterized in that a locking clip is arranged between the handle body and the movable handle and can lock the state of the celiac opening, the locking clip comprises an L-shaped rod with teeth, a cam and tooth pieces, wherein, the L-shaped rod is connected with the handle body through a pin and arranged in an inner groove of the handle body, the cam is connected with the handle body through a pin and arranged in a concave opening of the L-shaped rod, the tooth pieces are fixedly connected in the inner groove of the movable handle and can be engaged with the teeth to lock the state of the celiac opening, the cam is provided with a contour face which can lock the L-shaped rod so as to sustain the engagement between the teeth and the tooth pieces, and the L-shaped rod is provided with a restoring tablet spring. The utility model solves the problem of unsafety caused by the fact that the existing peritoneoscope surgical forceps must be held tightly by hand so as to close the celiac opening continually. The utility model also has the characteristics of adjustable direction of the celiac opening, easy cleaning and disinfection, etc.

Description

Surgical forceps for abdominoscope

Technical field

This utility model relates to a kind of operating forceps of surgery, and especially a kind of surgical forceps for abdominoscope that can be used for various abdominal operations for example is used to draw, fix, peel off the operating forceps of tissue etc. in the operation of excision gallbladder.

Background technology

Chinese patent 00218758.2 disclosed surgical forceps for abdominoscope, it comprises forward and backward pincers master link, its forceps major handle is inlaid with metal software with the connecting rod place, described metal insert is a hollow, a corresponding side with connector has up big and down small through hole, the corresponding end of described connecting rod and handle is spherical, and the shaft diameter is less than spherical termination diameter.The characteristics that though it has is wear-resistant, can increase the service life, but still have following deficiency: 1) between its fixed handle and the flexible handle because of there not being locking device, therefore when operation needs jaw to continue to clamp, can only clutch constantly with hands, at this moment hands is very nervous, and the time has been grown easy fatigue, absent-mindedness in a single day will be made mistakes, so its work is not too reliable; 2) its connecting rod can not rotation, and the direction that therefore will change jaw just can only the armrest rotation, and the operator feels very not smoothly, can not handle very skillfully; 3) its vice jaw part and connecting rod are overall structures, so whole connecting rod must be taken apart when cleaning, have both bothered also fragile.

Summary of the invention

This utility model is to overcome in the above-mentioned prior art weak point that also exists, and provides a kind of energy to continue to lock reliably the state of jaw and the surgical forceps for abdominoscope of conveniently adjusted jaw direction, and make it have rational in infrastructure, characteristics such as can conveniently clean.

This utility model surgical forceps for abdominoscope, it contains handle body and the movable handle that connects with bearing pin, an energy is realized the core bar assembly of jaw folding with the rotation of movable handle, it is characterized in that: the pintle hook lock that is provided with the folding condition that can lock jaw between handle body and the movable handle, this pintle hook lock comprises a toothed L shaped bar that is connected on the handle body with bearing pin and is arranged in the handle body inside groove, a cam that is connected on the handle body with bearing pin and is arranged in the inner recess of L shaped bar, and one be cemented in the movable handle inside groove and can by with the gear piece of teeth engagement with the folding condition of locking jaw; Its cam have can lock L shaped bar with the engagement of keeping teeth and gear piece to keep the contoured surface of jaw folding condition, have the flat spring that it is resetted on the L shaped bar.

This utility model surgical forceps for abdominoscope, having one section its cross section on the core bar in its core bar assembly is quadrate linkage section, and has on the outer wall of this linkage section and can make the handwheel that core bar rotates and the fixed cover of handwheel.

This utility model surgical forceps for abdominoscope, its core bar is split-type structural at jaw place Duan Chu, and is connected with insertion type between jaw place section and the core bar, and has circumferential localized key on the intercalation face.

The beneficial effects of the utility model: after 1) this utility model is provided with pintle hook lock between handle body and movable handle, people just can remove to lock the closed or open state of jaw according to the needs of operation, thereby prevent that effectively existing surgical forceps for abdominoscope from continuing in the closure because of the anxiety and tired caused dangerous accident of hands at jaw, that guarantees to perform the operation normally carries out; 2) this utility model operating forceps can by handwheel make core bar around its central shaft rotation, realize the adjustment of jaw direction, so people can clamp exactly according to the operation needs, and this is easy to adjust, quick; 3) core bar of the present utility model and its jaw place section split, and connect with insertion type, with convenient further cleaning and sterilization to jaw, this connection is not only dismantled quick, easy, and the bond energy that is provided with between the two guarantees that the angle of core bar rotation is consistent with the jaw rotational angle, so use accurately, reliable.

Description of drawings

Fig. 1 is the front view that this utility model surgical forceps for abdominoscope has broken section;

Fig. 2, Fig. 3 are respectively A-A cutaway view, the B-B cutaway views among Fig. 1;

Fig. 4, Fig. 5 be respectively C among Fig. 1 to view, D to cutaway view;

Fig. 6 is the part drawing of the L shaped bar 2 in Fig. 1 position;

Fig. 7 is the front view at locational handle body of Fig. 1 and place, movable handle place.

Label declaration among the figure: 1-handle body; 2-L shape bar; The 2a-button; The 2b-teeth; The 2c-inner recess; 2d-handle body inside groove; The 3-flat spring; The 4-cam; The little axle of 4a-; 4a '-locking button; 5-hands wheel; 6-core bar assembly; The 6a-sleeve; The 6b-spheroid; The 6c-core bar; 6d-square shaft linkage section; The 6e-key; 6f-jaw place section; The 6g-jaw; The 7-fixed cover; The movable handle of 8-; The 8a-gear piece; The movable handle inside groove of 8b-.

The specific embodiment

The structure of embodiment 1. present embodiment surgical forceps for abdominoscope can be seen from Fig. 1 and Fig. 6, it contains the handle body 1 that connects with bearing pin and movable handle 8, energy and realizes the core bar assembly 6 of jaw 6g folding and the pintle hook lock of the folding condition that can lock jaw 6g that is provided with the rotation of movable handle between handle body 1 and movable handle 8.The structure of pintle hook lock also can be seen from Fig. 4 and Fig. 5, it comprises a L shaped bar 2 that is connected on the handle body 1 with bearing pin and is arranged in the band teeth 2b of handle body inside groove 2d, a cam 4 that is connected on the handle body 1 with bearing pin and is arranged in the inner recess 2c of L shaped bar 2, and one be cemented among the movable handle inside groove 8b and can by with the gear piece 8a of teeth 2b engagement with the folding condition of locking jaw 6g; The core bar assembly 6 jaw 6g, the spheroid 6b that has in the core bar rear end that comprise core bar 6c, install at the core bar front end wherein, and a sleeve 6a who reclines in it and with movable handle 8 for the spheroid intercalation; Cam 4 has can lock L shaped bar with the engagement of keeping teeth and gear piece, the contoured surface of jaw 6g closure, has on the L shaped bar to make its flat spring that resets 3.

When using the present embodiment surgical forceps for abdominoscope, rotation activity handle 8 so that it away from handle body 1, then movable handle is moved to the left core bar 6c by the spheroid 6b that sleeve 6a promotes the core bar rear end, at this moment jaw 6g opens; Counter-rotating activity handle 8 so that it near handle body 1, then movable handle makes by sleeve 6a that core bar 6c moves right, jaw 6g closure.When jaw is closure state, gear piece 8a on the movable handle 8 is with the engagement of the teeth 2b on the L shaped bar, at this moment as the locking button 4a ' (asking for an interview Fig. 7) on little 4a overhanging end of switching, can make cam 4 lock L shaped bar 2 in inner recess 2c, movable handle 8 can not move again, core bar closure state that is also just inactive, jaw is therefore constant; In inner recess 2c, rotate displacement if rotate the locking button 4a ' that is the cam 4 that are provided with on the little axle 4a overhanging end, and push button 2a on the L shaped bar 2 simultaneously, then L shaped bar rotates and its teeth 2b promptly outwards throws off gear piece 8a, the lock-out state of pintle hook lock promptly is disengaged, movable handle 8 again can be away from handle body 1, so that jaw 6g opens.By control to locking button 4a ' and button 2a, can lock the closure state of jaw easily, at this moment operator only need do general gripping just can guarantee the to perform the operation lasting clamping of jaw, and hands is very light, indefatigability.

Embodiment 2. present embodiment surgical forceps for abdominoscope, having one section its cross section on the core bar 6c in its core bar assembly 6 is quadrate linkage section 6d, and has the handwheel 5 that can rotate core bar on the outer wall of this linkage section and can make the fixed cover 7 of handwheel in axial location.When using the present embodiment surgical forceps for abdominoscope, as the just rotatable handwheel 5 of the direction that will change jaw, so that core bar 6c rotation, till the jaw direction meets the demands.Core bar 6c in the present embodiment can rotation in 360 ° scope, so the jaw direction can be selected arbitrarily in 360 ° scope according to the needs of operation; This regulates fast convenient again.

Embodiment 3. present embodiment surgical forceps for abdominoscope, its core bar 6c is split-type structural at jaw place section 6f place, and is connected with insertion type between jaw place section and the core bar 6c, has circumferential localized key 6e on the intercalation face.When cleaning,, and needn't all to dismantle whole core bar assembly 6 as long as extract jaw place section 6f and it is done special cleaning or sterilization at every turn; Clean the back as long as jaw place section 6f is directly inserted core bar 6c, and because of intercalation face is provided with circumferential localized key 6e, so each dismounting can both be guaranteed the concordance of jaw and core bar rotational orientation.Therefore the present embodiment surgical forceps for abdominoscope can guarantee sterilization thoroughly, reliable, again because of needn't all dismantling the core bar assembly at every turn, and in the rotation adjusting of jaw, can obtain and the identical effect of monoblock type core bar.

Claims

1, a kind of surgical forceps for abdominoscope, it contains handle body (1) and the movable handle (8) that connects with bearing pin, an energy is realized the core bar assembly (6) of jaw (6g) folding with the rotation of movable handle, it is characterized in that: the pintle hook lock that is provided with the folding condition that can lock jaw (6g) between handle body (1) and the movable handle (8), this pintle hook lock comprises a L shaped bar (2) that is connected on the handle body (1) with bearing pin and is arranged in the band teeth (2b) of handle body inside groove (2d), one is connected the cam (4) that the inner recess (2c) of L shaped bar (2) was gone up and be arranged in to handle body (1) with bearing pin, and one be cemented in the movable handle inside groove (8b) and can by with the gear piece (8a) of teeth (2b) engagement with the folding condition of locking jaw (6g); Its cam (4) have can lock L shaped bar with the engagement of keeping teeth and gear piece to keep the contoured surface of jaw (6g) folding condition, have on the L shaped bar and can make its flat spring that resets (3).

2, surgical forceps for abdominoscope according to claim 1, it is characterized in that: having one section its cross section on the core bar (6c) in the said core bar assembly (6) is quadrate linkage section (6d), and has on the outer wall of this linkage section and can make the handwheel (5) that core bar rotates and the fixed cover (7) of handwheel.

3, surgical forceps for abdominoscope according to claim 1 and 2, it is characterized in that: said core bar (6c) locates to be split-type structural at jaw place section (6f), and jaw place section is connected with insertion type with core bar (6c), has circumferential localized key (6e) on the intercalation face.