The content of the invention
It is an object of the invention to provide linear cutting anastomat in a kind of chamber.
One of for achieving the above object, an embodiment of the present invention provides linear cutting anastomat in a kind of chamber, bagInclude：Instrument body, the extension being arranged in the instrument body and it is arranged at the executive module of the extension distal end；The executive module includes nail bin and the nail anvil external member being adapted with the nail bin；
The nail anvil external member includes：The first nail anvil with the first height and the second nail anvil with the second height；
The nail bin is selected one and is adapted to first nail anvil or the second nail anvil, and the external diameter of the executive module is constant.
Used as the further improvement of an embodiment of the present invention, the nail anvil external member also includes the with third height the 3rdNail anvil,
The nail bin is selected one and is adapted to first nail anvil or the second nail anvil or the 3rd nail anvil；The external diameter of the executive module is notBecome.
Used as the further improvement of an embodiment of the present invention, the nail anvil external member also includes the with the 4th height the 4thNail anvil,
The nail bin is selected one and is adapted to first nail anvil or the second nail anvil or the 3rd nail anvil or the 4th nail anvil；The execution groupThe external diameter of part is constant.
Used as the further improvement of an embodiment of the present invention, the external diameter of the executive module remains 12.6mm.
Used as the further improvement of an embodiment of the present invention, the different nail anvil external member of correspondence, its nail bin color is different.
As the further improvement of an embodiment of the present invention, the executive module of different nail anvil external members is assembled, its sutureThe forming height of nail is different.
As the further improvement of an embodiment of the present invention, the nail anvil of any one height in the nail anvil external member, itsIt is respectively provided with nail anvil main body and is formed in the nail anvil forming surface that nail anvil main body one side above and near nail bin is set；
The nail anvil of any one height in the nail anvil external member, the structure and size of its nail anvil forming surface is identical, its nail anvil main bodyHeight it is different.
As the further improvement of an embodiment of the present invention, the nail anvil of any one height in the nail anvil external member, itsIt is respectively provided with nail anvil main body and is formed in the nail anvil forming surface that nail anvil main body one side above and near nail bin is set；
The nail anvil of any one height in the nail anvil external member, the structure and size of its nail anvil main body is identical, its nail anvil forming surfaceHeight it is different.
One of for achieving the above object, an embodiment of the present invention provides linear cutting anastomat in a kind of chamber, bagInclude：Instrument body, the extension being arranged in the instrument body and it is arranged at the executive module of the extension distal end；The executive module includes nail anvil and the nail bin external member being adapted with the nail anvil；The nail bin external member includes：With firstFirst nail bin of height and the second nail bin with the second height；The nail anvil selects one with first nail bin or the second nail binAdaptation, the external diameter of the executive module is constant.
As the further improvement of an embodiment of the present invention, any nail bin in the nail bin external member, including nail bin sheetThe nail bin frame of body and the support fixation staple cartridge body；The staple cartridge body all same of any nail bin in the nail bin external member, instituteState the position difference that staple cartridge body is fixed in the nail bin frame.
Compared with prior art, the beneficial effects of the present invention are：Linear cutting anastomat in chamber of the invention, using systemThe nail bin of one size, by changing the height of nail anvil, or by changing fixed position of the staple cartridge body in nail bin frame, you canIn the case where the external diameter for ensureing executive module is constant, different sutures are realized highly；In this way, reducing nail bin and nail grain, nail sledDeng the die sinking cost of mould, shorten the construction cycle；Meanwhile, linear cutting anastomat can lead in the chamber with different forming heightsThe puncture outfit of same size is crossed, is easy to medical personnel to change and is used, can more reduce the wound size of patient, reduce operation windDanger.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these implementation methods are simultaneouslyThe present invention is not limited, structure that one of ordinary skill in the art is made according to these implementation methods, method or functionallyConversion is all contained in protection scope of the present invention.
The word of described expression position and direction in of the invention, is using exercises on apparatus author as reference, near operationOne end of person is near-end, and the one end away from operator is distal end.
In embodiments of the present invention, specific explaination is done to the present invention by example of linear cutting anastomat in chamber,But it should explanation, involved skill spirit can alternatively be used other forms in embodiment disclosed belowOn stapler.
As shown in figure 1, linear cutting anastomat is used to be applied to multiple suturing nails the physiological tissue of human body in chamber, togetherWhen corresponding organizing and implementing to physiology cut.Linear cutting anastomat includes instrument body 10, is arranged at the device in the chamberExtension 20 on tool body 10 and it is arranged at the executive module 30 of the distal end of the extension 20.
In other preferred embodiments of the invention, volution 40 can be also connected in instrument body 10, it is pivotally connected describedThe percussion handle 50 of instrument body 10 and the grade component of protective jacket 60 being arranged on the executive module 30, in order to operate thisLinear cutting anastomat in chamber, it is substantial that the above-mentioned parts in present embodiment are generation to the technical scheme of the applicationInfluence, therefore, it is not described in detail.
With reference to shown in Fig. 2 a, Fig. 2 b, Fig. 3, in the specific embodiment of the invention, the executive module 30 include nail bin 31 withAnd the nail anvil external member 33 being adapted with the nail bin 31；The nail anvil external member 33 includes：There is different height with least twoNail anvil；The nail bin 31 is selected one and is adapted to one of nail anvil, and in the case where any one nail anvil is adapted to, keeps describedThe external diameter of executive module 30 is constant.
In the present embodiment, nail bin 31 and any nail anvil are arranged to turn opposite to, and are beaten when both turn toDuring open state, the desired physiological tissue for being operated can be placed between the two, then, closure be relatively rotated to by by bothState, can clamp the desired physiological tissue positioned between the two, to carry out follow-up cutting and suture operation.
Accordingly, nail bin 31 includes the nail bin frame 313 of staple cartridge body 311 and the fixed staple cartridge body of support, staple cartridge body311 have nail bin face 3111, its push broach groove 3112 is formed through on the nail bin face 3111, the push broach groove 3112 preferably fromThe near-end of nail bin 31 extends lengthwise into its distal end, a cutter（It is not shown）It is installed in the push broach groove 3112, the cutterThe slide bar of its near-end can be connected to（It is not shown）Drive, and then be located at detachment from the proximate motion of push broach groove 3112Physiological tissue between nail anvil and nail bin 31, push broach groove 3112 provides cutter motion path and simultaneously to it in the processIt is oriented to.
The both sides of push broach groove 3112 are arranged with ejector pin groove 3113 respectively on the nail bin face 3111, in the ejector pin groove 3113All accommodate suturing nail（It is not shown）And positioned at the ejector pin block of suturing nail bottom（It is not shown）.There is a wedge shape in nail bin 31Cutter sliding block（It is not shown）, while slide bar drives cutter to move, the cutter sliding block is also by drivingly from push broach groove3112 proximate motion, in the process, its wedge-shaped end face promotes the ejector pin block to be moved in ejector pin groove 3113,And thus complete to operate the percussion of suturing nail.
In the present embodiment, when linear cutting anastomat/nail bin 31 is in original state in the chamber, the nail anvilThe nail anvil tail of near-end acted on by external force, to keep the nail anvil and nail bin 31 in open shape, the cutting in the nail bin 31Knife（It is not shown）Positioned at the near-end of the nail bin 31.
When the linear cutting anastomat/nail bin 31 be in closure state when, by the cutter drive, the nail anvil andNail bin 31 is closed, and desired physiological tissue can be clamped therebetween, the cutter for the original state, to straight cutsThe distal end of stapler/nail bin 31 moves certain distance, but is still located on the near-end of the nail bin 31 in general.
When the linear cutting anastomat/nail bin 31 is in cock, the nail anvil and nail bin 31 are remained in that and closedClose, the cutter are moved by the proximate of the nail bin 31, cut the physiological tissue for clamping, and can be in the nail bin 31Distal end be subject to it is spacing stop movement.
When the linear cutting anastomat/nail bin 31 is in percussion completion status, the cutter are retracted into initial shapeState position, the nail anvil 42 and nail bin 31 are in open shape, and the cutter are located at the near-end of the nail bin 31.
In an embodiment of the present invention, any nail anvil in the nail anvil external member 33 includes nail anvil main body 331, and shapeInto the nail anvil forming surface 332 set in the one side of nail anvil main body 331 and near nail bin 31；It is formed with the nail anvil forming surface 332Cutting groove 333 corresponding with the position of push broach groove 3112, the both sides of the cutting groove 333 have and the corresponding suturing nail of ejector pin groove 3113Forming tank 334；During the suturing nail is fired from ejector pin groove 3113 by the ejector pin block, two nails of the suturing nailPin is inconsistent with above-mentioned suturing nail forming tank 334, and is little by little forced to bending, and most the physiological tissue of contact portion presses at lastTightly.
In one embodiment of the present invention, in the nail anvil external member 33 with different height each nail anvil, its nail anvil intoThe structure and size in type face 332 are identical, and the height of its nail anvil main body 331 is different.
In another embodiment of the present invention, the nail anvil of any one height in the nail anvil external member 33, its nail anvil main body331 structure and size is identical, and the height of its nail anvil forming surface 332 is different, in this way, nail bin 31 of the correspondence with same size,It selects different nail anvils in the case where the external diameter of holding executive module 30 is constant, is capable of achieving different forming heights.
In an embodiment of the present invention, the nail anvil external member 33 includes the first nail anvil 33a and tool with the first heightThere is the second nail anvil 33b of the second height；It is suitable with the first nail anvil 33a or the second nail anvil 33b that the corresponding nail bin 31 selects oneMatch somebody with somebody, the external diameter of the executive module 30 is constant.In an of the invention preferred embodiment, the nail anvil external member 33 also includes having the3rd nail anvil 33c of three height, the nail bin 31 selects one with the first nail anvil 33a or the second nail anvil 33b or the 3rd nail anvil 33cAdaptation；The external diameter of the executive module 30 is constant.
In a preferred embodiment of the invention, the nail anvil external member 33 also includes the 4th nail anvil 33d with the 4th height,The nail bin 31 is selected one and is adapted to the first nail anvil 33a or the second nail anvil 33b or the 3rd nail anvil 33c or the 4th nail anvil 33d；InstituteThe external diameter for stating executive module 30 is constant.
In the embodiment of the invention, the puncture outfit with hatch bore diameter as 12.8mm as reference, the tool of the puncture outfitBody structure is not shown, and the external diameter for matching the executive module 30 of the puncture outfit remains 12.6mm.Certainly, it is of the invention itsIn his implementation method, can coordinate the puncture outfit with other hatch bore diameters that tool is set according to skill spirit involved in the present inventionThere is the executive module 30 of other sizes, be not described in detail herein.
In an embodiment of the present invention, the nail anvil of any height in nail anvil external member 33 no matter is configured, it is straight in the chamberThe structure and size all same of wire cutting stapler other parts；Accordingly, the executive module of different nail anvil external members is assembled30, the forming height of its suturing nail is different.
In concrete application of the invention, the forming height of the suturing nail can specifically be set as needed.The present invention oneIn specific example, there are 4 kinds of nail anvils of different height in correspondence nail anvil external member 33, it has the nail anvil main body of different height respectively331, the height of each nail anvil main body 331 is respectively set to h1=2.9mm, h2=3.1mm, h3=3.4mm and h4=3.9mm.PhaseAnswer, the suture of the suturing nail is highly（It is not specifically illustrated）Can correspond to respectively：d1=2.0mm、d2=1.8mm、d3=1.5mm、d4=1.0mm。
In a preferred embodiment of the invention, there is the nail bin 31 of different height nail anvil in correspondence nail anvil external member 33, althoughIts structure and size all same, but in order to keep existing medical custom, different nail anvil external members 33 can be corresponded to, setting has notWith the nail bin 31 of color.
In the embodiment of the invention, keep the existing color of nail bin 31 constant, still the color of nail bin 31 is setFor：One kind in green, yellow, blueness, white, and the nail bin 31 of each color is corresponded to respectively, its configuration has different heightNail anvil, in the case where keeping executive module external diameter constant, be capable of achieving different sutures highly.In this way, in surgical procedure,Even if it was found that the suture of linear cutting anastomat is highly unsatisfactory for demand and needs to change straight cuts in chamber and kiss in current chamberDuring clutch, without replacing puncture outfit；Meanwhile, the various execution groups with different forming heights are distinguished by the color of nail bin 31Part, identification is high, is user-friendly to.
In another embodiment of the present invention,（This kind of implementation method is not specifically illustrated）Linear cutting anastomat is used in chamberThe nail anvil and staple cartridge body of same size, and the nail bin frame with plurality of specifications.Difference between the nail bin frame of different sizeIt is that the position that can be fixed on for staple cartridge body in nail bin frame by each nail bin frame is different.Staple cartridge body is arranged on different sizeNail bin frame in when, can make nail bin whole height produce change so that between adjusting between nail bin face and nail anvil forming surfaceAway from.It may occur to persons skilled in the art that, change the position that staple cartridge body is fixed in nail bin frame, can be by adjustment nailRealized with the thickness of staple cartridge body contact surface storehouse frame bottom；Change the position that staple cartridge body is fixed in nail bin frame, it is also possible toChanged by the structure and position that change the retaining element for being used for fixing staple cartridge body on nail bin frame.Can also be followed closely by changingStorehouse frame is used to supporting the structure of nail bin body bottom portion to realize etc., does not describe in detail one by one herein.
In sum, linear cutting anastomat in chamber of the invention, using the nail bin of uniform sizes, by changing nail anvilHighly, or by changing fixed position of the staple cartridge body in nail bin frame, you can constant in the external diameter for ensureing executive moduleIn the case of, realize different sutures highly；In this way, reducing the die sinking cost of the mould such as nail bin and nail grain, nail sled, shorten exploitation weekPhase；Meanwhile, linear cutting anastomat can be easy to medical care by the puncture outfit of same size in the chamber with different forming heightsPersonnel change and use, and can more reduce the wound size of patient, reduce operation risk.
It should be understood that, although the present specification is described in terms of embodiments, but not each implementation method only includes oneIndividual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should sayUsed as an entirety, technical scheme in each implementation method can also be through appropriately combined, and forming those skilled in the art can for bright bookWith the other embodiment for understanding.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specificallyBright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present inventionOr change should be included within the scope of the present invention.