CN101779976B - Novel anastomat - Google Patents
Novel anastomat Download PDFInfo
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- CN101779976B CN101779976B CN 200910251240 CN200910251240A CN101779976B CN 101779976 B CN101779976 B CN 101779976B CN 200910251240 CN200910251240 CN 200910251240 CN 200910251240 A CN200910251240 A CN 200910251240A CN 101779976 B CN101779976 B CN 101779976B
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- nail
- nail bin
- anvil
- staple
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Abstract
The invention provides a novel anastomat. The anastomat comprises a body, a staple chamber independently arranged on the body, a staple-pulling plate and staples arranged in the staple chamber, a staple anvil, a first pulling part used for pulling the staple chamber to move and a second pulling part used for pulling the staple-pulling plate and the staples to move, wherein two segments of round tube-shaped tissue stump ends needing to be anastomosed are sleeved with each other, the staple anvil is inserted in the tissue, and the moving direction of the staples is vertical to the shaft line of the round tube-shaped tissue. The advantages of the novel anastomat mainly include: 1, after anastomosis, the diameter of the anastomosis opening is more than or equal to the diameter of the staple anvil, so that the staple anvil can be easily retreated from the anastomosis opening; 2, the staple chamber can be assembled as required so as to finally form semi- anastomosis or local anastomosis; and 3, because each staple pulled out of the staple chamber is punched and formed in the tissue in the end, no staple is left in the human body, and unnecessary troubles are avoided.
Description
Technical field
The present invention relates to a kind of operating novel anastomat that is used for, belong to medical instruments field.
Background technology
Generally all be to sew up for the tissue that needs seaming and cutting in the surgical operation at present with anastomat, for example sew up the tubular tissue and need to adopt the tubular type anastomat, before sewing up, also need to carry out purse string suture earlier, wait to coincide finish after, the nail anvil with the tubular type anastomat takes out from anastomotic stoma again.Be easy to the nail on the anastomotic stoma is strutted when therefore taking out nail anvil all less than the diameter of nail anvil because the diameter of anastomotic stoma is general, shine into malpractice.
In addition, for some special operations, gastrointestinal surgery for example, only need half of tubular tissue or tissue are still less coincide, adopt traditional anastomat will cause the waste of anastomosis staple, because traditional anastomat is the anastomotic stoma of a full circle after coincideing and finishing, the nail that is used to coincide also is distributed on anastomotic stoma.Because the anastomotic stoma of present operation is not a full circle, unnecessary like this nail still can be pushed out from anastomat and drop into inside of human body, may bring unnecessary trouble.
Summary of the invention
The objective of the invention is to solve above-mentioned technical problem, a kind of anastomat that can make the diameter of the back anastomotic stoma of coincideing greater than the diameter of nail anvil is provided; Another object of the present invention is to provide a kind of and can realize that half coincide or the local novel anastomat that coincide the tubular tissue.
Purpose of the present invention is achieved through the following technical solutions:
A kind of novel anastomat comprises: a body; Be located at the nail bin on the described body, be provided with pushing slice of nail and nail in the described nail bin movably; Towards the nail anvil that described nail bin is provided with, described nail anvil and body relative fixed; And be arranged on the described nail bin of promotion on the body towards first pushing part that described nail anvil moves; Also will follow closely outside the described nail bin of release with the described pushing slice of nail of promotion, and then make nail penetrate into in-house second pushing part; Described second pushing part plays a driving role after the described first pushing part impetus finishes, two sections tubulars that described need coincide are organized socket, described nail anvil extend in the described tissue, between described tissue position described nail bin of hands and the nail anvil, the axis of the direction of motion of described nail and described tubular tissue is perpendicular.
Further, described body is an annulus, and described one group of nail bin space also is arranged in by angle on the circular surface of described body, and described nail anvil is arranged on the circle ring center of body.
Again further, described nail bin is removably disposed in the described body.
Further, on the described body groove is arranged, described nail bin is located on the groove slidably.
Further, be provided with the spring of reset response between described body and the nail bin.
Again further, described nail bin is provided with an inclined-plane, and described first pushing part also is an inclined-plane, and described two inclined-planes interact and then promote described nail bin and move.The afterbody of described pushing slice of nail is an inclined-plane, and described second pushing part also is an inclined-plane, and described two inclined-planes interact and then promote described pushing slice of nail and move.Described inclined-plane and inclined-plane are arranged on the same impeller.
Again further, described impeller is arranged on the periphery of described body, and is connected with described nail anvil by a connecting rod.
Further, two parts of described body are clamping.
Beneficial effect of the present invention is mainly reflected in:
(1) because the axis of the direction of motion of nail and described tubular tissue is perpendicular, makes the diameter of the diameter of anastomotic stoma, make nail anvil successfully from anastomotic stoma, to withdraw more than or equal to nail anvil;
(2) all be provided with pushing slice of nail and nail owing in each nail bin, and also separate between each nail bin, therefore can assemble several nail bins as required, final formation half identical or local coincideing;
(3) because each nail that is pushed out from nail bin is all finally thrust and takes shape in the tissue, therefore do not have unnecessary nail and omitted, cause unnecessary trouble at inside of human body.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: the vertical view of the preferred embodiment of the present invention.
Fig. 2: among Fig. 1 along the cutaway view of A-A direction.
The left view of Fig. 3: Fig. 1.
Fig. 4: the sketch map of the body of the preferred embodiment of the present invention.
Wherein:
1 body, 11 grooves, 2 nail bins
3 pushing slice of nail, 31 inclined-planes, 21 inclined-planes
4 springs, 5 nails, 6 tissues
72 second inclined-planes, 7 impellers, 71 first inclined-planes
73 recesses, 8 nail anvils, 9 connecting rods
The specific embodiment
The present invention has disclosed a kind of novel anastomat, as shown in Figure 1 to Figure 3, comprising: the body 1 of an annular; Nail anvil 8 is placed on the circle ring center of body 1.Several trough 11 is radially arranged on the circular surface of described body 1, and these grooves 11 are divergent shape and are arranged on the circular surface equably.Can assemble a nail bin 2 in each groove, this assembly structure can adopt common structure, and for example dovetail groove guarantees that nail bin can slide along the direction that is provided with of groove 11, but can not come off from groove 11.Therefore because do not have mutual connection between the adjacent groove 11, in different operations, can be desirably the nail bin 2 of different numbers be assembled on the body 1.
As shown in Figure 2, be provided with pushing slice of nail 3 and nail 5 in the described nail bin 2 movably; This structure is the same with prior art, and nail 5 is arranged on the front end of nail bin 2, and pushing slice of nail 3 is arranged on the rear end of nail 5 and both mutual butts.In this preferred embodiment, the afterbody of pushing slice of nail 3 is an inclined-plane 31, and is exposed to outside the nail bin 2.
The afterbody of nail bin 2 also is provided with an inclined-plane 21 in this preferred embodiment, and the front end of nail bin 2 is provided with a spring 4, and the other end of this spring 4 is connected on the body 1.
Be arranged with an impeller 7 that can move relative to body 1 on the excircle of described body 1, described impeller 7 is provided with between 72, two inclined-planes in first inclined-plane 71 and second inclined-plane and is provided with a recess 73.The effect of this impeller 7 is detailed later.Described impeller 7 is connected with nail anvil 8 by a connecting rod 9.Described nail anvil 8 is provided with towards described nail bin 2, and with body 1 relative fixed, the same with prior art, which is provided with the pushing slice of nail position and follow closely forming tank accordingly.Connecting rod 9 among the present invention can make flexible or telescopic, guarantees that impeller 7 can not drive nail anvil and move in moving.
Because one group of nail bin 2 space also is arranged in by angle on the circular surface of described body 1, so pushing slice of nail 3 is arrangements of enclosing the land equally, and is intended for nail anvil 8, so follows closely on the outer surface that forming tank is arranged on nail anvil 8 equally.
Among the present invention, two sections tubulars that described need coincide are organized 6 sockets, and as shown in Figure 2, described nail anvil 8 extend in the described tissue 6, and described tissue 6 is between described nail bin 2 and nail anvil 8, and promptly body 1 is enclosed within the outside of tissue 6.
The operating process of this preferred embodiment is once simply described below.
In the operation,, nail anvil 8 is extend in the tissue from another opening of tissue, the nail bin on body and the body etc. is prevented the outside at tissue 66 sockets of two sections after removal lesion tissue tissues.The inclined-plane 21 that promotes on impeller 7, the first inclined-planes 71 and the nail bin 2 along A direction among Fig. 2 acts on, and nail bin 2 is moved along B direction among the figure, and is same, and pushing piece 3 and nail 5 also move along B direction among the figure together; At this moment, the 31 same slips on second inclined-plane 72 of impeller 7 of the inclined-plane on the pushing slice of nail 3.After inclined-plane 21 effects on described first inclined-plane 71 and the nail bin 2 finish, continue to promote impeller 7, second inclined-plane 72 begins to promote the inclined-plane 31 of pushing piece 3 immediately, promoting described pushing slice of nail 3 also will follow closely outside the described nail bin 2 of 5 releases, and then nail 5 is penetrated in the tissue 6, because the effect of nail anvil 8, make nail 5 take shape in two-layer directly on, and then belled tissue 6 coincide firmly.Finally, the inclined-plane 31 of pushing slice of nail 3 enters into the recess 73 of impeller 7, guarantees pushing slice of nail 3 and impeller 7 mutually noninterfere mutually.
Because the direction of motion of nail 5 and the axis of described tubular tissue are perpendicular, make the diameter of the diameter of the anastomotic stoma after having coincide more than or equal to nail anvil, make nail anvil successfully to withdraw from anastomotic stoma.And body 1 as shown in Figure 4, can be disassembled at least two parts, thereby the tissue that stitching is finished withdraws from from body 1.In the present embodiment, two parts of described body 1 are clamping, and promptly projection is connected with draw-in groove.
The present invention still has multiple concrete embodiment.For example the inclined-plane effect of cooperatively interacting is moved nail bin or pushing slice of nail, can also make other form into: screw thread, promptly between impeller 7 and nail bin, the pushing slice of nail for being threaded, turn impeller 7 can make nail bin, pushing slice of nail move along the B direction according to the order of sequence.Certainly, first, second pushing part that promotion is finished on employing inclined-plane in this preferred embodiment can also be two separate impellers, and this preferred embodiment is to have in arms the simple thinking of whole apparatus structure is arranged on first, second pushing part on the same impeller 7.
Another improvements of the present invention are, nail bin 2 can be assembled on the body 1 as required, even need the anastomotic stoma of the tubular tissue that coincide to form a semicircle in the operation, then only need half nail bin of on body 1 assembling, treat to form behind identical the finishing the anastomotic stoma of a semicircle.Can prevent well like this that existing anastomat from following closely when identical semicircle is organized drops in the generation of the intravital phenomenon of people.
In addition, impeller 7 can also be a blocks except being being socketed in the annular on the body of this preferred embodiment.This bulk impeller 7 is rotatably installed in the periphery of body, when its in the body periphery when the axis of body rotates, can in turn promote nail bin 2, pushing slice of nail 3 moves along B direction among the figure, and pushing mechanism can adopt the inclined-plane in the preferred embodiment.Behind the stroke of finishing a pushing piece 3, impeller 7 continues to rotate around body, so begin to promote next nail bin 2, pushing slice of nail 3 moves along B direction among the figure.The advantage of this embodiment is and can in turn nail be taken shape in tissue, guarantees the reliability of anastomotic stoma further.
The present invention still has multiple concrete embodiment.For example the needs in order to make and to assemble can be made body a plurality of fan-shaped annulus, and an integral body finally is spliced.All employings are equal to replacement or equivalent transformation and all technical schemes of forming, all drop within the scope of protection of present invention.
Claims (7)
1. a novel anastomat comprises: a body that removably is formed by connecting by two parts at least (1);
Be located at the nail bin (2) on the described body (1), be provided with pushing slice of nail (3) and nail (5) in the described nail bin (2) movably;
Towards the nail anvil (8) that described nail bin (2) is provided with, described nail anvil (8) and body (1) relative fixed;
And be arranged on the described nail bin of promotion (2) on the body towards first pushing part (71) that described nail anvil (8) moves;
Also will follow closely (5) with the described pushing slice of nail of promotion (3) and release outside the described nail bin (2), and then make nail (5) penetrate into in-house second pushing part (72);
It is characterized in that: described second pushing part (72) plays a driving role after described first pushing part (71) impetus finishes, two sections tubular tissues (6) socket that described need coincide, described nail anvil (8) extend in the described tissue (6), described tissue (6) is positioned between described nail bin (2) and the nail anvil (8), the axis of the direction of motion of described nail (5) and described tubular tissue (6) is perpendicular, described body (1) is an annulus, described one group of nail bin (2) space also is arranged in by angle on the circular surface of described body (1), described nail anvil (8) is arranged on the circle ring center of body (1), and described first pushing part (71) and first pushing part (72) are arranged on the same impeller (7); Described impeller (7) is arranged on the periphery of described body (1), and is connected with described nail anvil (8) by a connecting rod (9), and described connecting rod (9) is to be used for guaranteeing that described impeller (7) can not drive flexible piece or the extensible member that nail anvil moves mobile.
2. novel anastomat according to claim 1 is characterized in that: described nail bin (2) is removably disposed on the described body (1).
3. novel anastomat according to claim 1 is characterized in that: groove (11) is arranged on the described body (1), and described nail bin (2) is located on the groove (11) slidably.
4. novel anastomat according to claim 1 is characterized in that: the spring (4) that has been provided with reset response between described body (1) and the nail bin (2).
5. novel anastomat according to claim 1 is characterized in that: described nail bin (2) is provided with an inclined-plane (21), and described first pushing part also is an inclined-plane (71), and described two inclined-planes interact and then promote described nail bin (2) and move.
6. novel anastomat according to claim 5 is characterized in that: the afterbody of described pushing slice of nail (3) is an inclined-plane (31), and described second pushing part also is an inclined-plane (72), and described two inclined-planes interact and then promote described pushing slice of nail (3) and move.
7. novel anastomat according to claim 1 is characterized in that: two parts of described body (1) are clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910251240 CN101779976B (en) | 2009-12-04 | 2009-12-04 | Novel anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910251240 CN101779976B (en) | 2009-12-04 | 2009-12-04 | Novel anastomat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101779976A CN101779976A (en) | 2010-07-21 |
| CN101779976B true CN101779976B (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910251240 Active CN101779976B (en) | 2009-12-04 | 2009-12-04 | Novel anastomat |
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| Country | Link |
|---|---|
| CN (1) | CN101779976B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1106827C (en) * | 1998-10-27 | 2003-04-30 | 张祖仁 | Surgical tubular anastomosing device |
| CN2808065Y (en) * | 2005-05-24 | 2006-08-23 | 苏州天臣国际医疗科技有限公司 | Nail anvil assembly |
| EP1915954A2 (en) * | 2005-08-15 | 2008-04-30 | Tyco Healthcare Group, LP | Surgical stapling instruments including a cartridge having multiple staple sizes |
| CN100394894C (en) * | 2005-04-08 | 2008-06-18 | 苏州天臣国际医疗科技有限公司 | Binding device for surgery |
-
2009
- 2009-12-04 CN CN 200910251240 patent/CN101779976B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1106827C (en) * | 1998-10-27 | 2003-04-30 | 张祖仁 | Surgical tubular anastomosing device |
| CN100394894C (en) * | 2005-04-08 | 2008-06-18 | 苏州天臣国际医疗科技有限公司 | Binding device for surgery |
| CN2808065Y (en) * | 2005-05-24 | 2006-08-23 | 苏州天臣国际医疗科技有限公司 | Nail anvil assembly |
| EP1915954A2 (en) * | 2005-08-15 | 2008-04-30 | Tyco Healthcare Group, LP | Surgical stapling instruments including a cartridge having multiple staple sizes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101779976A (en) | 2010-07-21 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |