CN105395233B

CN105395233B - A kind of vessel forceps

Info

Publication number: CN105395233B
Application number: CN201510940204.8A
Authority: CN
Inventors: 蔡建强
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-12-17
Filing date: 2015-12-17
Publication date: 2017-12-26
Anticipated expiration: 2035-12-17
Also published as: CN105395233A

Abstract

The invention discloses a kind of vessel forceps, including the first caliper and the second caliper, first caliper and second caliper are hinged；First caliper includes the first jaw and the first tong arm, second caliper includes the second jaw and the second tong arm, first tong arm and second tong arm can be closed or opened using articulated section as activity centre, and first jaw and second jaw can be mutually closed or open in the case where first tong arm and second tong arm drive；Multiple first projections are provided with the closing face of first jaw, when first jaw and second jaw close, multiple first projections are in contact with the closing face of second jaw, this structure is while liver parenchyma tissue is caught broken, the blood vessel being distributed in hepatic tissue or bile duct can be expressed in the gap between projection by multiple projections, the risk of sharp more rack structure easy damaged bile ducts or blood vessel is reduced, thus doctor can be more accurately caught broken to liver parenchyma and detachment is performed the operation.

Description

A kind of vessel forceps

Technical field

The present invention relates to technical field of medical instruments, more particularly to a kind of vessel forceps.

Background technology

With the development of surgery of liver, various liver technologies of cutting continue to bring out, and such as refer to pinching method, the fine clamp method of vessel forceps cuts liver The advanced operating theater instruments such as technology and ultrasonic suction knife (CUSA), water knife, Tissuelink electric knifes, harmonic wave knife is cut liver technology and all faced Progressively applied in bed, its purpose is quick detachment liver parenchyma, reduces amount of bleeding, closes bile duct to avoid bile leakage after operation.All In multi-method, CUSA, refer to pinching method and fine clamp cuts the method that liver method is the main detachment liver used at present, but CUSA is limited to First and then expensive equipment, can not be in economic backward area extensive use；It is again relatively rough to refer to pinching method liver cutting operation, runs counter to " essence Quasi- hepatectomy " theory；Root according to data, the fine clamp method of vessel forceps be still it is current clinical conventional cut liver technology, its advantage Without special installation, simple to operate, cost is low and remains to reach finer operation level.But clamp method is commonly used at present Vessel forceps (such as Kelly pincers) two jaw closing faces on the rack that is distributed it is more sharp, be caught broken hepatic parenchymal while holding Easy damaged is distributed in bile duct or blood vessel therein (for example, branches of hepatic vein tube wall is relatively thin, easily damaged, bleeding), have impact on hand Art effect, therefore the structures of vessel forceps how is improved to avoid damaging bile duct or blood vessel in art, it is to need to reduce operation risk Technical problems to be solved.

The content of the invention

It is an object of the invention to provide a kind of vessel forceps, not only easily liver parenchyma can be caught broken and detachment, also The blood vessel and bile duct of damage profile wherein are not easy, while reaching preferable surgical effect, reduces the risk of operation.

The present invention solves technical problem and adopted the following technical scheme that：A kind of vessel forceps, including the first caliper and the second caliper, First caliper and second caliper are hinged；First caliper includes the first jaw and the first tong arm, and described Two calipers include the second jaw and the second tong arm, and first tong arm and second tong arm can close by activity centre of articulated section Close or open, and first jaw and second jaw can under the drive of first tong arm and second tong arm phase Mutually closure or opening；Multiple first projections are provided with the closing face of first jaw, when first jaw and described When two jaws close, multiple first projections are in contact with the closing face of second jaw.

Preferably, multiple second projections are provided with the closing face of second jaw, when first jaw and described When second jaw closes, multiple first projections are mutually twisted with multiple second projections.

Preferably, multiple first projections are arranged at the distal end of the closing face of first jaw；And first pincers The near-end of the closing face of mouth is provided with a plurality of first rack；The near-end of the closing face of second jaw is provided with the second rack； A plurality of first rack is mutually twisted with a plurality of second rack.

Preferably, multiple first projections occupy the 1/4 to 1/2 of the closing face of first jaw, multiple described Two projections occupy the 1/4 to 1/2 of the closing face of second jaw.

Preferably, multiple first projections occupy the 1/3 of the closing face of first jaw, multiple second projections Occupy the 1/3 of the closing face of second jaw.

Preferably, multiple first projections are distributed into dot matrix.

Preferably, multiple first projections and multiple second projections are hemispherical or semi-ellipsoid shape or other surfaces For the structure of curved surface.

Preferably, the distance between two neighboring described first projection is 6 μm to 10mm.

Preferably, the distance between two neighboring described first projection is 20 μm to 38 μm.

Preferably, the distance between two neighboring described first projection is 0.5mm to 8mm.

Preferably, the distance between two neighboring described first projection is 3mm to 6mm.

Preferably, the distance between two neighboring described first projection is 5mm.

Preferably, the top of projection is equal between two neighboring projection to the vertical height of the closing face of jaw where it Spacing.

Preferably, the top of projection is equal between two neighboring projection to the vertical height of the closing face of jaw where it The half of spacing.

The present invention has the advantages that：First jaw sets multiple first projections, and when jaw closes, multiple first is prominent Rise contacted with the closing face of the second jaw, be caught broken it is hepatic parenchymal simultaneously, projection can will be distributed over the blood vessel in liver parenchyma tissue Or bile duct is expressed in the clearance space between projection, the shape of protocone sharp more rack structure easy damaged bile ducts or blood vessel is avoided Condition, easily can be quickly and accurately caught broken and detachment to liver parenchyma, reduce amount of bleeding and incidence of complications, no Serious hepatic injury easily occurs, reduces the risk of operation, meets the theory of modern precisely hepatectomy.

Brief description of the drawings

Fig. 1 is the structural representation of vessel forceps；

Fig. 2 is the partial structural diagram of the top view for the vessel forceps for being provided with the first projection and the second projection；

Fig. 3 is the part of the top view for the vessel forceps for being provided with the first projection, the first rack, the second projection and the second rack Structural representation；

Fig. 4 is the structural representation of the first jaw in the case of Fig. 3；

Fig. 5 be it is a kind of in the case of the first jaw side view enlarged drawing；

Fig. 6 is the side view enlarged drawing of the first jaw in another case；

Fig. 7 is the side view enlarged drawing of the first jaw in the case of another；

Fig. 8 is the office for the top view that the connecting portion of the closing face of the first projection and the first jaw is the vessel forceps of rounding off Portion's structural representation；

Fig. 9 is the enlarged drawing at A in Fig. 8.

Mark is illustrated as in figure：The jaws of 1- first；The tong arms of 2- first；The jaws of 3- second；The tong arms of 4- second；5- articulated sections； The projections of 6- first；The projections of 7- second；The racks of 8- first；The racks of 9- second.

Embodiment

Technical scheme is further elaborated with reference to embodiment and accompanying drawing.

Referring to Fig. 1, a kind of vessel forceps, including the first caliper and the second caliper, the first caliper and are present embodiments provided Two calipers are hinged；First caliper includes the first jaw 1 and the first tong arm 2, and second caliper includes the second jaw 3 With the second tong arm 4, first tong arm 2 and second tong arm 4 can be closed or opened for activity centre with articulated section 5, and institute Stating the first jaw 1 and second jaw 3 can be mutually closed or open in the case where first tong arm 2 and second tong arm 4 drive Open；Multiple first projections 6 are provided with the closing face of first jaw 1, when first jaw 1 and second jaw 3 During closure, multiple first projections 6 are in contact with the closing face of second jaw 3.

When need to be caught broken liver parenchyma tissue, detachment when, make the first tong arm 2 and the second tong arm 4 with articulated section 5 to live Dynamic center and close, drive the first jaw 1 mutually close with the second jaw 3 with this, multiple first projections 6 on the first jaw 1 and The closing face of second jaw 3 is in contact, and thus multiple first projections 6 are engaged with to being clamped in the closing face of the second jaw 3 Liver parenchyma tissue therebetween is caught broken, detachment, multiple when running into streak pipeline (such as blood vessel or bile duct) in liver parenchyma First projection can be by these pipe extrusions into the space between projection, with original a plurality of transversely arranged point being arranged on closing face The easy pinch off of sharp rack structure, poke or tear blood vessel or bile duct is compared, the structure of multiple projections can extrude blood vessel or bile duct In space between to them, so when being caught broken and detachment liver parenchyma, injured blood vessel or bile duct are not easy, greatly reduces bleeding Amount and the operation risk of courage leakage.

Referring to Fig. 2, preferably, second jaw 3 is also provided with multiple second projections to the present embodiment on its closing face 7, and multiple second projections 7 are corresponding with multiple first projections 6 and arrange, when first jaw 1 and described When two jaws 3 close, multiple first projections 6 are mutually twisted with multiple second projections 7, between such adjacent protrusions Clearance space is bigger, and the projection of corresponding occlusion is also more convenient for blood vessel or bile duct being expressed in the space of projection, thus further Reduce the risk of injured blood vessel or bile duct.

Referring to Fig. 3 to Fig. 7, preferably, multiple first projections 6 are arranged at closing for first jaw 1 to the present embodiment The distal end (distal end, referring to remote one end for applying patient, similarly hereinafter) in conjunction face；And the near-end of the closing face of first jaw 1 is (near End, it is that is, close one end for applying patient for said distal ends, similarly hereinafter) it is provided with a plurality of first rack 8；Described second Proximally and distally being provided with respectively in the position corresponding with the closing face of first jaw 1 for the closing face of jaw 3 is multiple Second projection 7 and a plurality of second rack 9, first projection 6 and second projection 7 can close phase in jaw 1 and jaw 3 Mutually occlusion, first rack 8 and second rack 9 are also mutually twisted when jaw 1 and jaw 3 close simultaneously so that are applied Patient can be according to the different situations of operation hepatic tissue, or the difference of tissue soft durometer, or need to be caught broken the dynamics of hepatic tissue Difference, and selectivity using between projection being mutually twisted either using being mutually twisted between rack, make the use of vessel forceps It is more flexible.It is further preferred that the tip of a plurality of first rack 8 and a plurality of second rack 9 be round and smooth structure (i.e. The upper sideline of jaw side section is wave linear shape), relative to original pointed structures, such a structure can be entered when being caught broken hepatic tissue One step avoids damage to blood vessel and bile duct.

Preferably, multiple first projections 6 occupy the 1/4 to 1/2 of the closing face of first jaw 1 to the present embodiment, Multiple second projections 7 similarly occupy the 1/4 to 1/2 of the closing face of second jaw 3.

The present embodiment is it is further preferred that multiple first projections 6 occupy the 1/3 of the closing face of first jaw 1 (e.g., being distributed on the longitudinal length of about 1 cm of closing face distal end), then a plurality of first rack 8 occupies the first pincers The closing face of mouth 1 remaining 2/3；Now multiple second projections 7 occupy the 1/3 of the closing face of second jaw 3, a plurality of Second rack 9 occupy the closing face of the second jaw 3 remaining 2/3；To reach the first projection 6 and the correspondence of the second projection 7 Be mutually twisted, the arrangement being mutually twisted corresponding to the first rack 8 and the second rack 9.So make to apply patient according to actual conditions Selectively using the different operation part of vessel forceps, make operation more flexible.

Referring to Fig. 4, preferably, multiple first projections 6 are distributed the present embodiment into dot matrix.This set cause to organize into Row is caught broken or during detachment, a plurality of distribution blood vessel in the tissue or bile duct can be expressed in multiple projection gaps simultaneously, made Its medium vessels or the densely distributed hepatic segments of bile duct are not to damage wherein dense distribution because pulling excessively while being caught broken Blood vessel (such as vena hepatica) or bile duct and cause bleeding or courage leakage, the stress that can also make tissue evenly, conveniently apply patient operation when The control of hand-held dynamics.Further, multiple second projections 7 are to be distributed with multiple first projection, 6 corresponding dot matrixs.

With further reference to Fig. 5 to Fig. 7, preferably, first projection 6 and second projection 7 are hemisphere to the present embodiment Shape or the structure that semi-ellipsoid shape or other surfaces are smooth curved surface.Projection is hemispherical or semi-ellipsoid shape or other surfaces are curved surface Structure can disperse chucking power to blood vessel and bile duct significantly, while it is undue that similar taper sharp projection can be avoided to carry out tissue Drawing causes tissue and vessel forceps contact surface very few, the bad assurance of dynamics, the problem of easy injured blood vessel or bile duct, therefore hemisphere Shape or the structure that semi-ellipsoid shape or other surfaces are curved surface are preferable structures.

Further, spacing between two neighboring first projection 6 is limited as 6 μm to 10mm, certainly, because multiple first Projection 6 and multiple second projections 7 are mutually corresponding and set, thus the spacing between two neighboring second projection 7 with it is two neighboring Spacing between first projection 6 is corresponding.

Further, the spacing between two neighboring first projection 6 is 20 μm to 38 μm to the present embodiment.When running into thin vessels During (such as veinlet, parteriole) densely distributed hepatic segments, because the diameter range of thin vessels is between 20 μm to 38 μm, therefore can To select the vessel forceps with this projection pitch structure, it is easy to projection gap to accommodate and is extruded to thin vessels therein, operate When thin vessels can take advantage of a situation by the space got between two the first projections 6 and/or two the second projections 7 and be not easy to be damaged by vessel forceps Wound, is effectively protected blood vessel.

Preferably, the spacing between two neighboring first projection 6 is 37 μm to above-described embodiment.Operated for liver When, it is 37 μm of vessel forceps using the spacing between two the first projections 6, more meets the average straight of most of thin vessels in liver Footpath size.

Further, the spacing between two neighboring first projection 6 is 0.5mm to 8mm to the present embodiment.When to be held Hepatic segments when there is bile duct OR gate vein, vessel forceps of the spacing between two the first projections 6 for 0.5mm to 8mm can be selected, Being easy to, which has enough gaps fully to accommodate between projection, is extruded to bile duct OR gate vein therein, while hepatic tissue is caught broken Bile duct OR gate vein, which can take advantage of a situation, is got into the space between two the first projections 6 and/or two the second projections 7 without by vessel forceps Damage, is effectively protected bile duct OR gate vein.

Preferably, the spacing between two neighboring first projection 6 is 3mm to 6mm to above-described embodiment, this size model The diameter dimension of the most of portal vein or bile duct that are relatively close in liver is enclosed, in operation, can be directed to has different sizes The vessel forceps that the hepatic segments selection of blood vessel or bile duct distribution is set with different spacing.Above-described embodiment is it is further preferred that adjacent Spacing between two first projections 6 is 5mm, such as when for operation on liver, between two the first projections 6 of selection Spacing is 5mm vessel forceps.

Further, vertical height of the top of the first projection 6 and/or the second projection 7 to the closing face of jaw where it Equal to the spacing between the two neighboring projection 7 of first projection 6 and/or second, when the closing face of only one of two jaws have it is multiple During raised structures, projection is arranged to such height.

Further, vertical height of the top of the first projection 6 and/or the second projection 7 to the closing face of jaw where it Degree is equal to the half of the spacing between the two neighboring projection 7 of first projection 6 and/or second, when the closing face of two jaws all has During multiple raised structures, projection is arranged to such height.

It should be noted that the position for the liver parenchyma tissue that patient can be caught broken according to blood vessel diameter size or needs is applied, To select that there are the vessel forceps of different projection spacing, rising height, projection distribution or shape for lugs, to meet different Surgeries The needs of position.Certainly, the density of the spacing between adjacent projection, height and entirety, can not also be limited by above-mentioned size, Also the different situations at local operation position can be directed to and set.In addition, applying patient according to hepatic parenchymal situation or can also apply art The vessel forceps of the depth selection with different decreased foods at position, such as making when liver parenchyma thicker position or clamping deep tissue With the vessel forceps of 14-26cm long handles, 9.5-12.5cm short handles are used for liver parenchyma thin location or when clamping shallow tissue And the tiny exquisite vessel forceps in head.

Referring to Fig. 8 to Fig. 9, it is preferable that first projection 6 and the connecting portion of the closing face of first jaw 1 are The connecting portion of the curved surface of rounding off, second projection 7 and the closing face of second jaw 3 is also the song of rounding off Face.Damage when can further prevent from clamping blood vessel and bile duct is so set.

Preferably, the outside portion of the closing face of the closing face of the first jaw 1 and the second jaw 3 is round and smooth structure, and first The distal end outer wall of the distal end of jaw 1 and the second jaw 3 is the cambered surface of rounding off.So setting makes to apply patient by vessel forceps It is more smooth during insertion liver parenchyma, while reduce the damage to tissue.

Referring to Fig. 5, further, the trace direction of a plurality of first rack 8 and the length direction of first caliper It is mutually perpendicular to.Referring to Fig. 6, further, the trace direction of a plurality of first rack 8 is to prolong the length side of the first caliper To.Referring to Fig. 7, yet further, a plurality of first rack 8 is wave the linear alignment.Applying patient can select as needed Vessel forceps with different tooth trace arrangement modes or shape.

The sequencing of above example only for ease of describing, does not represent the quality of embodiment.

Finally it should be noted that：Above example is merely to illustrate technical scheme, rather than is limited. Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that： It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc. With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical scheme Spirit and scope.

Claims

A kind of 1. vessel forceps, it is characterised in that including the first caliper and the second caliper, first caliper and second caliper It is hinged；First caliper includes the first jaw and the first tong arm, and second caliper includes the second jaw and the second pincers Arm, first tong arm and second tong arm can be closed or opened using articulated section as activity centre, and first jaw and Second jaw can be mutually closed or open under the drive of first tong arm and second tong arm；

Multiple first projections are provided with the closing face of first jaw, are provided with the closing face of second jaw multiple Second projection, when first jaw and second jaw closure, multiple first projections are prominent with multiple described second Rise and be mutually twisted；

Multiple first projections are arranged at the distal end of the closing face of first jaw；And the closing face of first jaw Near-end is provided with a plurality of first rack；

The near-end of the closing face of second jaw is provided with a plurality of second rack；A plurality of first rack and a plurality of described the Two racks are mutually twisted.
2. vessel forceps according to claim 1, it is characterised in that multiple first projections occupy first jaw The 1/4 to 1/2 of closing face, multiple second projections occupy the 1/4 to 1/2 of the closing face of second jaw.
3. vessel forceps according to claim 2, it is characterised in that multiple first projections occupy first jaw The 1/3 of closing face, multiple second projections occupy the 1/3 of the closing face of second jaw.
4. vessel forceps as claimed in any of claims 1 to 3, it is characterised in that multiple first projections are into point Configuration is distributed.
5. vessel forceps as claimed in any of claims 1 to 3, it is characterised in that multiple first projections and more Individual second projection is hemispherical or semi-ellipsoid shape or structure that other surfaces are curved surface.
6. vessel forceps according to claim 5, it is characterised in that the distance between two neighboring described first projection is 6 μ M to 10mm.
7. vessel forceps according to claim 6, it is characterised in that the distance between two neighboring described first projection is 20 μm to 38 μm.
8. vessel forceps according to claim 6, it is characterised in that the distance between two neighboring described first projection is 0.5mm to 8mm.
9. vessel forceps according to claim 8, it is characterised in that the distance between two neighboring described first projection is 3mm to 6mm.
10. vessel forceps according to claim 9, it is characterised in that the distance between two neighboring described first projection is 5mm。
11. the vessel forceps according to any one of claim 6 to 10, it is characterised in that clamped where the top of projection to its The vertical height of the closing face of mouth is equal to the spacing between two neighboring projection.
12. the vessel forceps according to any one of claim 6 to 10, it is characterised in that clamped where the top of projection to its The vertical height of the closing face of mouth is equal to the half of the spacing between two neighboring projection.