CN102824203B

Movatterモバイル変換

Info

Publication number: CN102824203B
Application number: CN201110158300.9A
Authority: CN
Inventors: 张祖仁; 袁栋坤; 虞国安; 吉荣; 张奕奕; 徐维华
Original assignee: Changzhou Kangdi Medical Stapler Co Ltd
Current assignee: Changzhou Kangdi Medical Stapler Co Ltd
Priority date: 2011-06-14
Filing date: 2011-06-14
Publication date: 2015-05-06
Anticipated expiration: 2031-06-14
Also published as: CN102824203A

Abstract

The invention discloses a surgical fitting nail for kidney-shape forming and a forming groove thereof, wherein the forming groove is composed of a lateral face, a bottom face and a diagonal ridge which are formed by the forming groove inwards concave on the surface of a nail anvil; M-shaped fitting nails are used; the convex degree of the M-shaped fitting nails which are arranged on an inner ring or the near side of a cutter groove on the middle parts of nail beams are larger than that of the M-shaped fitting nails arranged on an outer ring or the far side of the cutter groove on the middle parts of the nail beams; thus, when the fitting nails with same heights are used for fitting fitted tissues with different thicknesses, the M-shaped fitting nails are bent on the forming groove by a nail pushing block so as to form a kidney-shaped fitting nail; therefore, the surgical fitting nail achieves beneficial surgical effect of closing, stanching the fitted tissues and healing peripheral tissues.

Description

The surgical stapling nail that the kidney shape is shaped and grooving thereof

Technical field

The present invention relates to use in various surgical stapling surgical stapling nail and grooving, particularly relate to can the kidney shape be shaped surgical stapling nail and grooving.

Background technology

Various surgical stapling adopts the free-hand anastomosis procedure of needlework for replacing in surgical operation, be widely used in the operations such as the end end of human body alimentary canal organ, respiratory tract organ and apparatus urogenitalis official rank Organ and tissue, side and side to side anastomosis, form the operation of passage and the operation of close incisions, be specially adapted to appear the anastomosis operation with the Organ and tissue of operating difficulties, can operating time be reduced, improve surgical quality.

As in United States Patent (USP) publicity 20070194082 and 20090255978 introduce, the ingredient of the anastomosis staple builder of known various surgical stapling mainly comprises: nail bin and nail anvil.Be provided with ejector pin block, anastomosis staple and cutter in nail bin, wherein cutter can need to install according to use.The end face of nail anvil is arranged with the grooving corresponding with the anastomosis staple position in nail bin.Anastomosis staple in the anastomosis staple builder of surgical stapling and the effect of grooving in the use procedure of surgical stapling are: after clamp tissue to be anastomosed is between nail anvil and nail bin, by ejector pin block, anastomosis staple is released in nail bin, make the nail tip of anastomosis staple penetrate clamped tissue to be anastomosed and direct reach grooving on nail anvil, U-shaped anastomosis staple is bent to B shape, reaches the operation object of engaging tissue.

As in United States Patent (USP) publicity 20070194082 and 20080061109 introduce: known various surgical stapling, as shown in accompanying drawing 1 of the present invention, the grooving 2 on the surface of nail anvil 1 is made up of the side 3 formed after indent on the surface of nail anvil 1 and bottom surface 4.The side 3 of grooving 2 and two anastomosis staple guide lines 5 and 6 of the intersection forming shaped groove 2 of bottom surface 4.Grooving 2 forms opening contours curve 7 on the surface of nail anvil 1.As shown in accompanying drawing 2 of the present invention, the anastomosis staple 8 in nail bin (not shown) takes the shape of the letter U, and be made up of a straight nail beam 9 and two straight nail lower limbs 10 and 11, the end of wherein following closely lower limb 10 and 11 has nail tip 12 and 13 respectively.As shown in accompanying drawing 3 to accompanying drawing 5 of the present invention, when anastomosis staple 8 is released by ejector pin block 14 in nail bin (not shown), the nail tip 12 and 13 of the anastomosis staple 8 of U-shaped is pressed on the grooving 2 of nail anvil 1, make two of the anastomosis staple 8 of U-shaped to follow closely lower limbs 10 and 11 bend to B shape anastomosis staple 15 along the anastomosis staple guide line 5 and 6 of grooving 2, reaches the operation object of engaging tissue.The anastomosis staple 8 of U-shaped bends to the rear formation of anastomosis staple 15 two rings 16 and 17 of B shape, make follow closely lower limb and nail beam between by the clamp force distribution of anastomosed tissue in two rings 16 and 17, namely be distributed in respectively in the length being less than half nail beam 9, to larger by the damage of anastomosed tissue.If ring 16 and 17 is less, be then conducive to by the sealing of anastomosed tissue and hemostasis, but surrounding tissue healing is slower; If ring 16 and 17 is comparatively large, be then conducive to surrounding tissue healing, but by the sealing of anastomosed tissue and haemostatic effect poor.In general, to being conducive to sealing and hemostasis by the edge requirements of anastomosed tissue, be beneficial to surrounding tissue healing to requiring inside the edge of anastomosed tissue.In order to reach such surgical effect, need adopt and the nail bin of U-shaped anastomosis staple of different nail lower limb height and/or the nail anvil of the grooving of distribution different depth are housed, therefore the surgical stapling nail of the surgical stapling of this style and grooving thereof add the processing of apparatus and the difficulty of installation, thus add the cost of apparatus.On the other hand, due to U-shaped anastomosis staple 8 bend to complete B shape anastomosis staple 15 time, the nail tip 12 and 13 of anastomosis staple 15 converges in the midpoint of nail beam 9, in order to reach the operation object of engaging tissue, organization need to be anastomosed for different grip thickness uses the U-shaped anastomosis staple of different nail lower limb height, therefore in operation, need the thickness first determining tissue to be anastomosed, then change the nail bin of the U-shaped anastomosis staple that different nail lower limb height is housed.Because the specification of the nail bin that the U-shaped anastomosis staple of different nail lower limb height is housed is limited, generally be divided into a specification every the clamp tissue thickness of 0.5mm, therefore this style surgical stapling nail and grooving be difficult to the requirements of operation meeting various thickness tissue to be anastomosed, thus reduce surgical effect, add operating difficulty and operation cost.Therefore surgical stapling nail and grooving thereof also need to improve.

As can be seen from obviously above-mentioned, devise now a large amount of not surgical stapling in specie, and the anastomosis staple of new surgical stapling and the development work of grooving thereof are still in continuation, to be improved further annual a large amount of surgical stapling used in the world, both reached reliable for tissue operation object of coincideing, again easy to use, saving cost.

Summary of the invention

Another object of the present invention is to the surgical stapling nail and the grooving thereof that propose the shaping of a kind of kidney shape, realize multiple grooving on the surface of nail anvil, be staggered to more than two circles or two rows, the anastomosis staple being arranged in the M shape in nail bin is corresponding with the grooving position on the surface being arranged in nail anvil, the degree that the degree protruded to the direction of the nail tip of two nail lower limbs of the middle part being wherein arranged in the nail beam of the anastomosis staple of the M shape of inner ring or cutter groove nearside can be protruded to the direction of the nail tip of two nail lower limbs than the middle part of nail beam of anastomosis staple of the M shape being arranged in outer ring or cutter groove distally are larger, thus adopt mutually level anastomosis staple coincide different-thickness by anastomosed tissue time, both the surgical effect be conducive to by the edge seal of anastomosed tissue and hemostasis had been reached, be conducive to again by the surgical effect of the edge inside circumference organization healing of anastomosed tissue.

At present, known surgical stapling nail is positioned at nail bin, and anastomosis staple is made up of a nail beam and two nail lower limbs, and there is nail tip the end of two nail lower limbs respectively; Known grooving is made up of the side formed after indent on the surface of nail anvil and bottom surface, and grooving forms opening contours curve on the surface of nail anvil.Anastomosis staple is released by ejector pin block in nail bin, is pressed on the grooving of nail anvil by the nail tip of anastomosis staple, makes two nail lower limb bending formings of anastomosis staple.

Task of the present invention is achieved through the following technical solutions:

When the anastomosis staple of M shape is released by ejector pin block in nail bin, the nail tip of two of the anastomosis staple of M shape nail lower limbs is pressed on the grooving of nail anvil by ejector pin block, two nail lower limbs of the anastomosis staple of M shape are bent along the anastomosis staple guide line of grooving respectively, the position of protruding to the direction of the nail tip of two nail lower limbs, the middle part of simultaneously following closely beam is moved to the crestal culmination of the hip on the grooving of nail anvil to the position of the direction indent of bottom surface, is the anastomosis staple of the kidney shape by the anastomosis staple bending forming of M shape.

Nail anvil of the present invention can be rounded.Multiple grooving is staggered to more than two circles (comprising two circles) on the surface of circular nail anvil.The anastomosis staple being arranged in the M shape in nail bin is corresponding with the grooving position on the surface being arranged in circular nail anvil, the degree that both can protrude to the direction of the nail tip of two nail lower limbs than the middle part of nail beam of anastomosis staple of the M shape being arranged in outer ring of the degree protruded to the direction of the nail tip of two nail lower limbs of the middle part being wherein arranged in the nail beam of the anastomosis staple of the M shape of inner ring larger, also can be identical with the degree that the middle part of nail beam of anastomosis staple of the M shape being arranged in outer ring is protruded to the direction that two are followed closely the nail tip of lower limb.The extended line of the crestal line of the hip of two adjacent groovings of two adjacent rings can intersect.

Nail anvil of the present invention also can in linear, both can be rectilinear, also can be curved.The surface of the online staple anvil of multiple grooving is staggered to more than two rows (comprising two rows).The extended line of the crestal line of the hip of two adjacent groovings of adjacent two rows can intersect.Linear nail anvil can have cutter groove, and multiple grooving is arranged in the both sides of the cutter groove of linear nail anvil.The anastomosis staple being arranged in the M shape in nail bin is corresponding with the grooving position on the surface being arranged in linear nail anvil, the degree that both can protrude to the direction of the nail tip of two nail lower limbs than the middle part of nail beam of anastomosis staple of the M shape being arranged in cutter groove distally of the degree protruded to the direction of the nail tip of two nail lower limbs of the middle part being wherein arranged in the nail beam of the anastomosis staple of the M shape of the cutter groove nearside of linear nail anvil larger, also can be identical with the degree that the middle part of nail beam of anastomosis staple of the M shape being arranged in cutter groove distally is protruded to the direction that two are followed closely the nail tip of lower limb.

The surgical stapling nail that the kidney shape of the present invention is shaped and grooving thereof, according to the requirements of operation of anastomosed tissue, also can follow closely with the surgical stapling of other type and grooving used in combination, such as, the surgical stapling nail that certain encloses or certain mining kidney shape of the present invention is shaped and grooving thereof, another circle or the another mining surgical stapling of other type are followed closely and grooving.

Accompanying drawing explanation

Fig. 1 is the outside drawing representing known grooving;

Fig. 2 is the outside drawing of the anastomosis staple representing known U-shaped;

Fig. 3 represents that the nail tip of the anastomosis staple of known U-shaped is pressed on the outside drawing on the grooving of nail anvil by ejector pin block;

Fig. 4 represents that the anastomosis staple of known U-shaped bends to the outside drawing of the anastomosis staple of B shape on the grooving of nail anvil;

Fig. 5 represents the known outside drawing bending to the anastomosis staple of B shape;

Fig. 6 represents that known nail beam is the outside drawing of the anastomosis staple of W shape;

Fig. 7 represents that the nail tip that known nail beam is the anastomosis staple of W shape is pressed on the outside drawing on the grooving of nail anvil by ejector pin block;

Fig. 8 represents that known nail beam is the outside drawing of anastomosis staple bending forming on the grooving of nail anvil of W shape;

Fig. 9 represents that the nail beam of known bending forming is the outside drawing of the anastomosis staple of W shape;

Figure 10 is the outside drawing representing known biased grooving;

Figure 11 represents that the nail tip of the anastomosis staple of known U-shaped is pressed on the outside drawing on the biased grooving of nail anvil by ejector pin block;

Figure 12 represents that the anastomosis staple of known U-shaped bends to the outside drawing of spiral anastomosis staple on the biased grooving of nail anvil;

Figure 13 represents the known outside drawing bending to spiral anastomosis staple;

Figure 14 is the outside drawing of the anastomosis staple of the M shape that the axis of the nail beam representing the embodiment of the present invention is made up of curve;

Figure 15 is the outside drawing representing the grooving that the kidney shape of the present invention is shaped;

Figure 16 represents that the nail tip of the anastomosis staple of M shape is pressed on the outside drawing on the grooving of nail anvil by ejector pin block;

Figure 17 represents that the anastomosis staple of M shape bends to the outside drawing of the anastomosis staple that the kidney shape is shaped on the grooving of nail anvil;

Figure 18 represents the outside drawing bending to the anastomosis staple that the kidney shape is shaped;

Figure 19 represents that the cross section of the embodiment of the present invention is the outside drawing of the anastomosis staple of square M shape;

Figure 20 represents that the nail tip of the anastomosis staple of the M shape of Figure 19 is pressed on the outside drawing on the grooving of nail anvil by ejector pin block;

Figure 21 is the outside drawing that the anastomosis staple of the M shape representing Figure 19 bends to the anastomosis staple that the kidney shape is shaped on the grooving of nail anvil;

Figure 22 is the outside drawing bending to the anastomosis staple that the kidney shape is shaped representing Figure 21;

Figure 23 is the outside drawing of the anastomosis staple of the M shape that the axis of the nail beam representing the embodiment of the present invention is made up of broken line;

Figure 24 represents that the nail tip of the anastomosis staple of the M shape of Figure 23 is pressed on the outside drawing on the grooving of nail anvil by ejector pin block;

Figure 25 is the outside drawing that the anastomosis staple of the M shape representing Figure 23 bends to the anastomosis staple that the kidney shape is shaped on the grooving of nail anvil;

Figure 26 is the outside drawing bending to the anastomosis staple that the kidney shape is shaped representing Figure 25;

Figure 27 is the outside drawing of the anastomosis staple of the M shape that the axis of the nail beam representing the embodiment of the present invention is made up of curve and broken line;

Figure 28 represents that the nail tip of the anastomosis staple of the M shape of Figure 27 is pressed on the outside drawing on the grooving of nail anvil by ejector pin block;

Figure 29 is the outside drawing that the anastomosis staple of the M shape representing Figure 27 bends to the anastomosis staple that the kidney shape is shaped on the grooving of nail anvil;

Figure 30 is the outside drawing bending to the anastomosis staple that the kidney shape is shaped representing Figure 29;

Figure 31 is the outside drawing of the circular nail anvil representing the embodiment of the present invention;

Figure 32 is the outside drawing representing ejector pin ring;

Figure 33 is the outside drawing (removing ejector pin ring) when representing that the nail tip of the anastomosis staple of M shape is pressed on the grooving of circular nail anvil by ejector pin ring;

Figure 34 represents that the anastomosis staple of M shape bends to the outside drawing of the anastomosis staple that the kidney shape is shaped on the grooving of circular nail anvil;

Figure 35 is the outside drawing representing the anastomosis staple after bending to the kidney shape on the grooving of circular nail anvil is shaped;

Figure 36 is the outside drawing of the linear nail anvil representing the embodiment of the present invention;

Figure 37 is the outside drawing of the anastomosis staple representing ejector pin block and M shape;

Figure 38 is the outside drawing (removing ejector pin block) when representing that the nail tip of the anastomosis staple of M shape is pressed on the grooving of linear nail anvil by ejector pin block;

Figure 39 be represent the online staple anvil of the anastomosis staple of M shape grooving on bend to the outside drawing of the anastomosis staple that the kidney shape is shaped;

Figure 40 be represent on the grooving of online staple anvil bend to the kidney shape be shaped after the outside drawing of anastomosis staple.

Detailed description of the invention

Use way of example below, state the most preferred embodiment of the surgical stapling nail that the kidney shape of the present invention is shaped and grooving thereof by reference to the accompanying drawings.Scope of the present invention will be pointed out in the claims.Will be appreciated that some or all accompanying drawing is all the explanation sketch in order to most preferred embodiment of the present invention is described, and the full-size(d) of part shown in not depicting.With reference to the describing in detail of most preferred embodiment, understand with will be more readily apparent from reach the present invention above-mentioned with the practical ways of other objects and advantages.

The surgical stapling nail be shaped to the various kidney shapes of the embodiment of the present invention below in conjunction with Figure 14 to Figure 40 and the shape of grooving thereof and forming process are described, and illustrate that surgical stapling that the kidney shape is shaped is followed closely and the effect of grooving.

The anastomosis staple 50 be arranged in nail bin (not shown) shown in Figure 14 is made up of a nail beam 51 and two nail lower limbs 52 and 53.The end of two nail lower limbs 52 and 53 has nail tip 54 and 55 respectively.The middle part 56 of nail beam 51 is protruded to the direction that two are followed closely the nail tip 54 and 55 of lower limbs 52 and 53, and the axis of nail beam 51 is made up of curved section, makes a nail beam 51 of anastomosis staple 50 and the anastomosis staple 50 of two nail lower limb 52 and 53 formation M shapes.

The side 59 that grooving 57 shown in Figure 15 is formed after indent on the surface of nail anvil 58 by grooving 57, bottom surface 60 and hip 61 form.Grooving 57 forms opening contours curve 62 on the surface of nail anvil 58.The crestal line of hip 61 and the long axis of grooving 57 intersect acute angle.The crestal culmination 65 of hip 61 is to the direction indent of bottom surface 60.Bottom surface 60 is separated into two parts by hip 61.The anastomosis staple guide line 66 and 67 of the side 59 of grooving 57 and the intersection difference forming shaped groove 57 of hip 61 and bottom surface 60.

As shown in Figure 16 to Figure 18, when the anastomosis staple 50 of M shape is released by ejector pin block 68 in nail bin (not shown), the nail tip 54 and 55 of two of the anastomosis staple 50 of M shape nail lower limbs 52 and 53 is pressed on the grooving 57 of nail anvil 58 by ejector pin block 68, two nail lower limbs 52 and 53 of the anastomosis staple 50 of M shape are bent along the anastomosis staple guide line 66 and 67 of grooving 57 respectively, the position 56 of simultaneously following closely the protrusion at the middle part of beam 51 is moved to the position 69 of crestal culmination 65 indent of the hip 61 on the grooving 57 of nail anvil 58, is the anastomosis staple 70 of the kidney shape by anastomosis staple 50 bending forming of M shape.

The nail beam of the anastomosis staple of M shape and the cross section of nail lower limb both can be circles as the previous figures illustrate, also can be other shapes.The nail beam 81 of the anastomosis staple 80 of M shape as shown in figure 19 and the cross section of nail lower limb 82 and 83 are square.As shown in Figure 20 to Figure 22, when the anastomosis staple 80 of M shape is released by ejector pin block 84 in nail bin (not shown), the nail tip 85 and 86 of two of the anastomosis staple 80 of M shape nail lower limbs 82 and 83 is pressed on the grooving 57 of nail anvil 58 by ejector pin block 84, two nail lower limbs 82 and 83 of the anastomosis staple 80 of M shape are bent along the anastomosis staple guide line 66 and 67 of grooving 57 respectively, the position 87 of simultaneously following closely the protrusion at the middle part of beam 81 is moved to the position 69 of crestal culmination 65 indent of the hip 61 on the grooving 57 of nail anvil 58, is the anastomosis staple 88 of the kidney shape by anastomosis staple 80 bending forming of M shape.

The anastomosis staple 90 be arranged in nail bin (not shown) shown in Figure 23 is made up of a nail beam 91 and two nail lower limbs 92 and 93.The end of two nail lower limbs 92 and 93 has nail tip 94 and 95 respectively.The middle part 96 of nail beam 91 is protruded to the direction that two are followed closely the nail tip 94 and 95 of lower limbs 92 and 93, and the axis of nail beam 91 is made up of broken line, makes a nail beam 91 of anastomosis staple 90 and the anastomosis staple 90 of two nail lower limb 92 and 93 formation M shapes.

As shown in Figure 24 to Figure 26, when the anastomosis staple 90 of M shape is released by ejector pin block 97 in nail bin (not shown), the nail tip 94 and 95 of two of the anastomosis staple 90 of M shape nail lower limbs 92 and 93 is pressed on the grooving 57 of nail anvil 58 by ejector pin block 97, two nail lower limbs 92 and 93 of the anastomosis staple 90 of M shape are bent along the anastomosis staple guide line 66 and 67 of grooving 57 respectively, the position 96 of simultaneously following closely the protrusion at the middle part of beam 91 is moved to the position 69 of crestal culmination 65 indent of the hip 61 on the grooving 57 of nail anvil 58, is the anastomosis staple 98 of the kidney shape by anastomosis staple 90 bending forming of M shape.

The anastomosis staple 100 be arranged in nail bin (not shown) shown in Figure 27 is made up of a nail beam 101 and two nail lower limbs 102 and 103.The end of two nail lower limbs 102 and 103 has nail tip 104 and 105 respectively.The middle part 106 of nail beam 101 is protruded to the direction of the nail tip 104 and 105 of two nail lower limbs 102 and 103, the axis of nail beam 101 is interconnected by curved section and straightway and forms, and makes a nail beam 101 of anastomosis staple 100 and the anastomosis staple 100 of two nail lower limb 102 and 103 formation M shapes.

As shown in Figure 28 to Figure 30, when the anastomosis staple 100 of M shape is released by ejector pin block 107 in nail bin (not shown), the nail tip 104 and 105 of two of the anastomosis staple 100 of M shape nail lower limbs 102 and 103 is pressed on the grooving 57 of nail anvil 58 by ejector pin block 107, two nail lower limbs 102 and 103 of the anastomosis staple 100 of M shape are bent along the anastomosis staple guide line 66 and 67 of grooving 57 respectively, the position 106 of simultaneously following closely the protrusion at the middle part of beam 101 is moved to the position 69 of crestal culmination 65 indent of the hip 61 on the grooving 57 of nail anvil 58, by the anastomosis staple 108 that anastomosis staple 100 bending forming of M shape is the kidney shape.

As shown in Figure 14 to Figure 18, Figure 23 to Figure 26 and Figure 31 to Figure 35, multiple grooving 57 is staggered to two circles on the surface of circular nail anvil 110.The anastomosis staple 50 being arranged in the M shape in nail bin (not shown) is corresponding with grooving 57 position on the surface being arranged in circular nail anvil 110 with anastomosis staple 90, and the degree protruded to the direction of the nail tip 94 and 95 of two nail lower limbs 92 and 93 of the middle part 96 being wherein arranged in the nail beam 91 of the anastomosis staple 90 of the M shape of inner ring is larger to the degree of the direction protrusion of the nail tip 54 and 55 of two nail lower limbs 52 and 53 than the middle part 56 of nail beam 51 of anastomosis staple 50 of the M shape being arranged in outer ring.The extended line of the crestal line of the hip 113 and 114 of adjacent two groovings 111 and 112 of two adjacent rings intersects.

As shown in Figure 14 to Figure 18, Figure 23 to Figure 26 and Figure 36 to Figure 40, the both sides of the cutter groove 121 on the surface of the online staple anvil 120 of multiple grooving 57 are staggered to two rows.The anastomosis staple 50 being arranged in the M shape in nail bin (not shown) is corresponding with grooving 57 position on the surface being arranged in linear nail anvil 120 with anastomosis staple 90, and the degree protruded to the direction of the nail tip 94 and 95 of two nail lower limbs 92 and 93 of the middle part 96 being wherein arranged in the nail beam 91 of the anastomosis staple 90 of the M shape of cutter groove 121 nearside of linear nail anvil 120 is larger to the degree of the direction protrusion of the nail tip 54 and 55 of two nail lower limbs 52 and 53 than the middle part 56 of nail beam 51 of anastomosis staple 50 of the M shape being arranged in cutter groove distally.The extended line of the crestal line of the hip 124 and 125 of adjacent two groovings 122 and 123 of adjacent two rows intersects.

Introduce known in detail according to above-mentioned, follow closely with the surgical stapling of existing various surgical stapling and compared with grooving, the surgical stapling nail that the kidney shape of the present invention is shaped and grooving thereof have following technique effect:

So can find out, above-mentioned stated target, comprises by illustrating that those shown targets have been effectively achieved above.The typical best form of implementation of the present patent application that described here is only, can do some change also without prejudice to the spirit and scope of the present invention to said structure.The present invention is not limited to stated detail here, and should to retain as stated in the restriction of claim concerning affiliated field secondary technology personnel be apparent any improvement or remodeling.

Claims

1. the surgical stapling that the kidney shape is shaped is followed closely and a grooving, comprising:

The anastomosis staple used in described surgical stapling is positioned at nail bin, anastomosis staple is made up of a nail beam and two nail lower limbs, there is nail tip the end of described two nail lower limbs respectively, the middle part of described nail beam is protruded to the direction of the nail tip of described two nail lower limbs, makes a nail beam of anastomosis staple and the anastomosis staple of two nail lower limb formation M shapes;

The side that the grooving used in described surgical stapling is formed after indent on the surface of nail anvil by grooving, bottom surface and hip form, grooving forms opening contours curve on the surface of described nail anvil, the crestal line of described hip and the long axis of grooving intersect acute angle, the crestal culmination of hip is to the direction indent of described bottom surface, bottom surface is separated into two parts by hip, the anastomosis staple guide line of the intersection forming shaped groove of the side of described grooving and hip and bottom surface;

Described nail bin and described nail anvil form the anastomosis staple builder of described surgical stapling;

When the anastomosis staple of described M shape is released by the ejector pin block in surgical stapling in described nail bin, the nail tip of two of the anastomosis staple of M shape nail lower limbs is pressed on the grooving of described nail anvil by described ejector pin block, make two of the anastomosis staple of M shape to follow closely lower limb to bend along the anastomosis staple guide line of described grooving respectively, simultaneously the position of protruding to the direction of the nail tip of two nail lower limbs, the middle part of described nail beam is moved to the crestal culmination of the hip on the grooving of described nail anvil to the position of the direction indent of bottom surface, is the anastomosis staple of the kidney shape by the anastomosis staple bending forming of M shape.

2. the surgical stapling that the kidney shape according to claim 1 is shaped is followed closely and grooving, it is characterized in that, the middle part of the nail beam of described anastomosis staple is protruded to the direction of the nail tip of described two nail lower limbs, the axis of nail beam is made up of curved section, makes a nail beam of anastomosis staple and the anastomosis staple of two nail lower limb formation M shapes.

3. the surgical stapling that the kidney shape according to claim 1 is shaped is followed closely and grooving, it is characterized in that, the middle part of the nail beam of described anastomosis staple is protruded to the direction of the nail tip of described two nail lower limbs, the broken line that the axis of nail beam is connected into by several straightways forms, and makes a nail beam of anastomosis staple and the anastomosis staple of two nail lower limb formation M shapes.

4. the surgical stapling that the kidney shape according to claim 1 is shaped is followed closely and grooving, it is characterized in that, the middle part of the nail beam of described anastomosis staple is protruded to the direction of the nail tip of described two nail lower limbs, the axis of nail beam is interconnected by curved section and straightway and forms, and makes a nail beam of anastomosis staple and the anastomosis staple of two nail lower limb formation M shapes.

5. the surgical stapling that the kidney shape according to claim 1 is shaped is followed closely and grooving, and it is characterized in that, described nail anvil is rounded, and described multiple grooving is staggered to more than two circles on the surface of circular nail anvil.

6. the surgical stapling that the kidney shape according to claim 5 is shaped is followed closely and grooving, it is characterized in that, the anastomosis staple being arranged in the M shape in described nail bin is mutually corresponding with the grooving position on the surface being arranged in described circular nail anvil, and the degree protruded to the direction of the nail tip of two nail lower limbs of the middle part being wherein arranged in the nail beam of the anastomosis staple of the described M shape of inner ring is larger to the degree of the direction protrusion of the nail tip of two nail lower limbs than the middle part of nail beam of anastomosis staple of the M shape being arranged in outer ring.

7. the surgical stapling that the kidney shape according to claim 5 is shaped is followed closely and grooving, it is characterized in that, the extended line of the crestal line of the hip of two adjacent groovings of described two adjacent rings intersects.

8. the surgical stapling that the kidney shape according to claim 1 is shaped is followed closely and grooving, and it is characterized in that, described nail anvil is linear, and the surface of the online staple anvil of described multiple grooving is staggered to more than two rows.

9. the surgical stapling that the kidney shape according to claim 8 is shaped is followed closely and grooving, and it is characterized in that described linear nail anvil has cutter groove, described multiple grooving is arranged in the both sides of the cutter groove of described linear nail anvil.

10. the surgical stapling that the kidney shape according to claim 9 is shaped is followed closely and grooving, it is characterized in that, the anastomosis staple being arranged in the M shape in described nail bin is mutually corresponding with the grooving position on the surface being arranged in described linear nail anvil, and the degree protruded to the direction of the nail tip of two nail lower limbs of the middle part being wherein arranged in the nail beam of the anastomosis staple of the described M shape of the cutter groove nearside of described linear nail anvil is larger to the degree of the direction protrusion of the nail tip of two nail lower limbs than the middle part of nail beam of anastomosis staple of the M shape being arranged in cutter groove distally.

The surgical stapling nail that 11. kidney shapes according to claim 8 are shaped and grooving thereof, is characterized in that, the extended line of the crestal line of the hip of two adjacent groovings of described adjacent two rows intersects.