CN208371839U - A kind of not damaged blood vessel blocking elastic separating plier of laparoscope - Google Patents

Abstract

The utility model discloses a kind of not damaged blood vessel blocking elastic separating pliers of laparoscope, the laparoscope blood vessel blocking elastic separating plier includes sequentially connected control handle, the tubulose tong arm of hard, clamp and the control steel wire being threaded through in tubulose tong arm, wherein, the clamp is made of the first half clamps and the second half clamps, it is characterized in that, described the first half clamp is extended to form from the half of the tube wall of tubulose tong arm to the distal end of tubulose tong arm, the second half clamp is oppositely arranged with the first half clamps, its root extends a clamp handle to the inclination of the side of the first half clamps, it is hinged in the middle part of the clamp handle on the tube wall of tubulose tong arm, end is connect with the distal end of control steel wire.

Description

A kind of not damaged blood vessel blocking elastic separating plier of laparoscope

Technical field

The utility model relates to laparoscopic surgical instruments, in particular to for blood vessel temporarily to be pressed from both sides to the surgical clamp closed.

Background technique

Laparoscopic surgery is the Minimally Invasive Surgery method that a new development is got up, and has operation wound compared with Tradtional laparotomy Hurt the advantages that small, patient's post-operative recovery is fast, abdominal incision scar is small, the deep welcome by patient；It is continuous with laparoscopic technique It improves, the complicated abdominal operation that hysteroscope can be completed is more and more, operation frequently refers to the dissection of intraperitoneal hemorrhage tubing, divides From, appear, block situations such as.Such as Laparoscopic Surgery for Colorectal Cancer is frequently necessary to appear superior mesenteric vein, moves on mesenterium Arteries and veins etc. appears, cuts off artery and vein vascular etc. under mesenterium.The not damaged blood vessel blocking elastic separating plier of laparoscope is one kind under laparoscope Dissection, separation block blood vessel or clamp to control bleeding, play separation dissection blood vessel, clamp internal organs, blood vessel, just in case art medium vessels Bleeding due to trauma can be pressed from both sides temporarily and close blood vessel without damaging vascular tissue, avoiding the hair of situations such as big bleeding, conversion into open surgery in art It is raw, keep surgical procedure safer, preferably completes operation, bring glad tidings to many patients.

Existing laparoscope blood vessel blocking elastic separating plier is by closely to far including sequentially connected control handle, hard tubulose pincers Arm, clamp and the control steel wire being threaded through in tong arm, wherein clamp is made of two and half clamps, and operation Shi doctor passes through control Control steel wire in stick control tong arm makes clamp opening and closing, achievees the purpose that clamp blood vessel.The present inventor is long-term Clinical practice in find that existing laparoscope blood vessel blocking elastic separating plier has following deficiency in use: since blood vessel is more With surrounding tissue adhesion, clamp need to be extended to when being separated to blood vessel to avoid damage to blood vessel usually blood vessel and adhesion organization it Between two and half clamps carefully instigateeing, and form clamp in the prior art be it is movable, the two opens and closes jointly, opens latter two There is angle between half clamp and tong arm, can not effectively provoke blood vessel and be allowed to separate with adhesion organization, it is past in practical operation Toward needing at least two blood vessel blocking elastic separating plier cooperations that could separate blood vessel with adhesion organization, it is difficult that this undoubtedly increases operation Degree；In addition, when need to carry out blood vessel folder close when, it is necessary to by blood vessel completely be clamped in composition clamp two and half clamps between, Again due to there is angle between two and half clamps and tong arm when clamp opens, it is therefore desirable to isolate blood vessel and adhesion organization Biggish gap could be inserted into one and half clamps, so that blood vessel is clamped completely, and the gap that blood vessel is isolated with adhesion composition More it is big it is often easier blood vessel is caused to damage, increase operation risk.

Summary of the invention

The technical problem to be solved by the utility model is to provide a kind of not damaged blood vessel blocking elastic separating plier of laparoscope, the abdomens The not damaged blood vessel blocking elastic separating plier of hysteroscope has easy to operate, the small advantage of operation risk.

The technical solution that the utility model solves above-mentioned technical problem is:

A kind of not damaged blood vessel blocking elastic separating plier of laparoscope, which includes sequentially connected control Tubulose tong arm, clamp and the control steel wire being threaded through in tubulose tong arm of handle processed, rigidity, wherein the clamp is by the first half Clamp and the second half clamps composition, which is characterized in that

Described the first half clamp is extended to form from the half of the tube wall of tubulose tong arm to the distal end of tubulose tong arm, and described 2 half clamps are oppositely arranged with the first half clamps, and root extends a clamp handle to the side inclination of the first half clamps, the clamp handle Middle part is hinged on the tube wall of tubulose tong arm, and end is connect with the distal end of control steel wire.

A kind of laparoscope blood vessel blocking elastic separating plier described in the utility model, wherein the structure of the clamp is common It is double it is curved, angle is curved, spoon type, straight full flute profile or curved full flute profile.

As seen from the above technical solution, the clamp handle of the second half clamps is being pushed to open the clamp by control steel wire When, the reaction force of the clamp handle will make the axis for controlling steel wire deviation tubulose tong arm and be bent, and this increases not only controls The difficulty of clamp folding, and be easy that control steel wire is made to fracture.In order to solve the above-mentioned technical problem, one of the utility model changes It is that the distal end of the control steel wire and the end of the clamp handle are linked together by connector, and the connector is by phase into scheme Mutually hinged sliding block and connecting rod form, wherein the sliding block and the dynamic cooperation of tubulose tong arm, and the other end far from hinge joint with The distal end of control steel wire is fixedly connected；Other end of the connecting rod far from hinge joint and the end of the clamp handle are hinged.

In order to increase the length of the clamp handle as far as possible, reduces its reaction force being transmitted on control steel wire, make described The opening and closing movement of clamp becomes to be more easier, and another improvement project of this hair utility model is, is located at the first half clamp and tubuloses The extended segment of the tube wall of one section of tubulose tong arm between tong arm is equipped with the rectangular straight slot stretched out convenient for the clamp handle end.

The utility model has the following beneficial effects:

1, the opening and closing movement of the clamp is always by the second half unilateral completions of clamp, and the first half clamps are fixed always not It is dynamic, it is equivalent to the extension of tubulose tong arm, the first half clamps can easily extend to blood vessel and adhesion organization when carrying out blood vessel separation Between provoke blood vessel, separating blood vessel is more easier.

2, it is only needing folder to close blood vessel, when without blood vessel is completely exfoliated, need to will only separated between blood vessel and adhesion organization One small gap is protruded into for the first half clamps, this significantly reduces the wind that a wide range of removing blood vessel causes injury of blood vessel Danger.

Detailed description of the invention

Fig. 1 is the structure of a specific embodiment of the not damaged blood vessel blocking elastic separating plier of laparoscope described in the utility model Schematic diagram.

Fig. 2~4 are a specific implementation of clamp in the not damaged blood vessel blocking elastic separating plier of laparoscope described in the utility model The structural schematic diagram of example, wherein Fig. 2 is main view (section view), and Fig. 3 is top view (section view), and Fig. 4 is bottom view.

Fig. 5 is the open configuration schematic diagram (section view) of clamp shown in Fig. 2~4.

Fig. 6 is the usage state diagram of the not damaged blood vessel blocking elastic separating plier of laparoscope described in the utility model.

Specific embodiment

Referring to Fig. 1, blood vessel blocking elastic separating plier described in the utility model includes the tubulose of sequentially connected control handle, hard Tong arm 9, clamp 8 and the control steel wire 7 being threaded through in tubulose tong arm 9；Wherein, the tubulose tong arm 9 is made of stainless steel sheath. The control handle is made of fixed handle 1 and flexible handle 2, and the middle part of the two is hinged, and both ends are respectively to respective institute Curving extend；One of the fixed handle 1 is equipped with the interconnecting piece connecting with tubulose tong arm 9, the tubulose tong arm 9 It is docking together by hexagonal swivel nut and the interconnecting piece.One fixed handle 1 corresponding with flexible handle 2 of the control steel wire 7 One of interconnecting piece be fixedly connected, other end passes through the interconnecting piece and extends to tubulose tong arm 9 in 9 body of tubulose tong arm Distally.The leaf spring 3 of bar shaped is equipped between one of the interconnecting piece of the fixed handle 1 and flexible handle 2 far from fixed handle 1； The end of the flexible handle 2 is equipped with hinged gag lever post 4 on it, and the gag lever post 4 and flexible handle 2 hingedly one set Have the lateral protrusions being against on the leaf spring 3, leaf spring 3 and under the action of the lateral protrusions gag lever post 4 other end always To the end for being attached to fixed handle 1；The gag lever post 4 supports the side for being attached to 1 end of fixed handle equipped with ratchet 5, the fixation 1 end of handle is equipped with the tooth tip 6 being against between ratchet 5.

Referring to fig. 2~4, the clamp 8 is common straight full flute profile in conventional vascular pincers, by the first half clamps 10 and the second half Clamp 11 forms；Described the first half clamp 10 is connected with the half of the tube wall of 9 distal end of tubulose tong arm, the two connection type Are as follows: the half of the tube wall of 9 distal end of tubulose tong arm axially extends one section, the root of the first half clamp 10 and the extension One section of tube wall is integrally welded；The second half clamp 11 is oppositely arranged with the first half clamps 10, and the working face of the two (clamps Mouthful) opposite；The middle part inclination for the half tube wall that the root of the second half clamp 11 is extended to 9 distal end of tubulose tong arm extends one The middle part of clamp handle 12, the clamp handle is hinged on the tube wall of tubulose tong arm 9 by a pivot pin 16, and end passes through connector and control The distal end of steel wire 7 is fixedly connected；The connector is made of the sliding block 14 being hinged with connecting rod 13, wherein the sliding block 14 it is cylindrical and with the dynamic cooperation of the inner wall of tubulose tong arm 9, and the other end far from hinge joint is fixed with the distal end for controlling steel wire 7 Connection；Other end of the connecting rod 13 far from hinge joint and the end of the clamp handle 12 are hinged；Positioned at the first half clamps 10 with The middle part of one section of half tube wall extended by 9 distal end of tubulose tong arm between tubulose tong arm 9 is equipped with convenient for the clamp handle 12 The rectangular straight slot 15 that end is stretched out.

Below in conjunction with the working principle of Brief Description Of Drawings blood vessel blocking elastic separating plier described in the utility model:

Referring to Fig. 5 and Fig. 1 is combined, under the action of leaf spring 3, the fixed handle 1 and flexible handle 2 of the control handle begin Open configuration is kept eventually, i.e., control steel wire 7 protracts always makes clamp keep open configuration (such as Fig. 5), if clamp blood vessel is needed only to need Mediate control handle, drawing control steel wire 7 makes sliding block 14 the second half clamps 11 can be driven to the to control handle orientations movement Half clamp 10 is closed；And under the action of tooth tip 6 of 1 end of ratchet 5 and fixed handle on gag lever post 4, it is pinched even if unclamping The external force of control handle is closed, control handle will not open, i.e., clamp 8 is able to maintain closed state and closes blood vessel to press from both sides.To open Clamp 8 need to only push gag lever post 4 aside outward.

Referring to Fig. 6, when needing to carry out blood vessel 18 folder and closing, only it need to will be fixed together and protect with tubulose tong arm 9 always The first half clamps 10 for holding point-blank extend to and can easily realize between blood vessel 18 and adhesion organization 17 and provoke blood vessel 18 Removed, the first half clamps 10 can be protruded into when peeling away one and being large enough to hold the gap that the first half clamps 10 protrude into from And blood vessel 18 is clamped completely, avoid the injury of blood vessel that a wide range of removing blood vessel may cause.

Claims (3)

1. a kind of not damaged blood vessel blocking elastic separating plier of laparoscope, which includes sequentially connected control Handle, the tubulose tong arm of hard, clamp and the control steel wire being threaded through in tubulose tong arm, wherein the clamp is by the first semi-clamp Folder and the second half clamps composition, it is characterised in that: described the first half clamp is clamped from the half of the tube wall of tubulose tong arm to tubulose The distal end of arm extends to form, and the second half clamp is oppositely arranged with the first half clamps, and root is to the side of the first half clamps Inclination extends a clamp handle, is hinged on the tube wall of tubulose tong arm in the middle part of the clamp handle, and end is connect with the distal end of control steel wire.

2. the not damaged blood vessel blocking elastic separating plier of a kind of laparoscope according to claim 1, it is characterised in that；The control steel The distal end and the end of the clamp handle of silk are linked together by connector, and the connector is by the sliding block and connecting rod that are hinged Composition, wherein the sliding block and tubulose tong arm move cooperation, and the other end far from hinge joint and the distal end of control steel wire are fixed and connected It connects；Other end of the connecting rod far from hinge joint and the end of the clamp handle are hinged.

3. the not damaged blood vessel blocking elastic separating plier of a kind of laparoscope according to claim 1 or 2, it is characterised in that: be located at the The extended segment of the tube wall of one section of tubulose tong arm between half clamp and tubulose tong arm is equipped with convenient for clamp handle end stretching Rectangular straight slot.