CN103908316B - Guide element - Google Patents
Guide element Download PDFInfo
- Publication number
- CN103908316B CN103908316B CN201210596984.5A CN201210596984A CN103908316B CN 103908316 B CN103908316 B CN 103908316B CN 201210596984 A CN201210596984 A CN 201210596984A CN 103908316 B CN103908316 B CN 103908316B
- Authority
- CN
- China
- Prior art keywords
- guiding piece
- splicing block
- splicing
- nail bin
- nail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
Abstract
The invention provides a hollow truncated cone-shaped guide element which comprises a near end, a far end and an outer wall connected with the near end and the far end. The external diameter is gradually enlarged from the far end to the near end, one group of splicing blocks are fixedly spliced to form the guide element, all the splicing blocks are connected in a penetrating manner by the same traction part, the guide element is disintegrated when pulled by external force according to the order from far to near, and a splicing block string connected by the traction part is finally formed and can be separated from a circular tubular bookbinding instrument. The guide element has the advantages that the guide element can be extracted from the circular tubular bookbinding instrument once, is convenient to operate and fixedly arranged at the far end of a staple cartridge component, the largest external diameter of the guide element is equal to the external diameter of a staple cylinder, the overall external diameter of the staple cylinder cannot be increased, and the difficulty of the circular tubular bookbinding instrument entering human tissues is reduced.
Description
Technical field
The present invention relates to a kind of surgery assistor tool of tubular binding strument, the drawing of more particularly, to a kind of tubular binding strument
Guiding element.
Background technology
Tubular binding strument is a kind of surgical instrumenties being widely used in tubular type tissue seaming and cutting operation, by circular ailhead group
Part and percussion assembly composition；The tubular type tissue that two sections of needs are coupled together be placed on nail-head component nail anvil and nail bin it
Between, adjustment nail anvil carrys out gradually grip tissue with the distance of nail bin, and then operation percussion assembly makes nail shape, and completes two sections of tissues
Connect.
In actual operation technique, there is the tubular binding strument entrance pipeline of two kinds of operations relatively difficult, be low respectively
Position operation on rectum and gastric bypass operation.The first low rectal is performed the operation, and uses a diameter of 33 millimeters of tubular binding strument,
Per anum is needed to be performed the operation.Because anus is a flesh opening, its diameter of normal condition is less, and major diameter apparatus is inserted into
Anus is relatively difficult.Second gastric bypass operation, uses a diameter of 25 millimeters of tubular binding strument, need to enter small intestinal and enter
Row operation.Because small intestinal is the digester tube of human body, inwall has a lot of mucosas, and tubular binding strument is larger due to end face, and
Because reasons in structure surface is sufficiently oily, walk in little enteral and easily mucosa is caused to damage.
The prior art solving the above problems at present is U.S. Patent application US20090204108 and US20110114698
The several assistive device being set in tubular binding strument nail bin groupware periphery disclosing, can guide the nail of tubular Binding Instrument
Storehouse assembly enters human body and passes through intestinal, can be this assistive device from nail bin groupware after it reaches operation precalculated position
On lay down, do not affect the subsequent operation of tubular binding strument.These assistive devices can help the doctor will be smooth for the head of Binding Instrument
Put into predetermined position, but the assistive device disclosing in above-mentioned patent is all to be set in outside nail barrel, so can increase
Nail barrel entire outer diameter, increases the difficulty that tubular binding strument enters anus or small intestinal, also can increase the misery of patient simultaneously.
Content of the invention
It is an object of the invention to solving above-mentioned technical problem, a kind of structure is provided to be simple and convenient to operate and will not volume
The outer guiding piece increasing nail barrel external diameter.
The purpose of the present invention is achieved through the following technical solutions：
A kind of guiding piece, is coupled on tubular binding strument, and described tubular binding strument includes nail-anvil assembly, nail bin groupware
With the nail barrel accommodating described nail bin groupware；Described nail bin groupware includes nail bin and the anastomosis staple being placed in described nail bin, described draws
Guiding element is in the truncated cone-shaped of hollow, including a near-end and a far-end, and connects this outer wall proximally and distally, described far-end
External diameter to near-end is gradually increased；Described guiding piece is spliced by splicing construction fixation by one group of splicing block, all of spelling
Connect block and run through connection by same traction piece, described guiding piece disintegrates by the order drawing near when by external force tractive,
Ultimately form a string splicing block string being connected by described traction piece that can depart from tubular binding strument.
Preferably, described splicing construction is the projection cooperating and the groove being separately positioned on adjacent splicing block.
Preferably, described guiding piece is spliced by the splicing block circle of at least two circles, and described splicing block circle is by described splicing
Block close-packed arrays form.
Preferably, described splicing construction is the projection cooperating being separately positioned on adjacent splicing block circle and recessed
Groove.
Preferably, the outer wall of described splicing block circle forms the outer wall of described guiding piece, adjacent described splicing block circle outer
Wall seamlessly transits.
Preferably, described traction piece is a drag wire, and all of splicing block is all molded and is fixed on described drag wire.
Preferably, described splicing block is equipped with circular hole, described traction piece passes through the circular hole of all splicing blocks.
Preferably, the near-end of described guiding piece has further extended outward an Access Division, and the external diameter of described Access Division is less than or waits
Internal diameter in the nail bin inwall of described nail bin.
Above-mentioned tubular binding strument nail barrel is provided with least one bullport, and the guiding piece after described disintegration is from described guiding
Described tubular binding strument is departed from hole.
The beneficial effects are mainly as follows：This guiding piece can disposably be drawn out of in tubular binding strument, grasps
Facilitate；This guiding piece is fixedly arranged on the far-end of nail bin groupware, and its maximum outside diameter is equal to the external diameter of nail barrel, will not increase nail barrel whole
External footpath, reduces the difficulty that tubular binding strument enters tissue.
Brief description
Below in conjunction with the accompanying drawings technical solution of the present invention is described further：
Fig. 1：The structural representation of the preferred embodiment of the present invention.
Fig. 2：The attached view of the preferred embodiment of the present invention.
Fig. 3：The sectional view of the preferred embodiment of the present invention.
Fig. 4：The axonometric chart of the preferred embodiment of the present invention, now removes several splicing blocks.
Fig. 5：The present invention is used for the schematic diagram of the tubular binding strument of assembling.
Wherein：
1 nail barrel, 3 nail bin 5 nail bin inwall
7 pipe, 9 anvil pull rod 11 cutting knife
13 outer wall, 15 far-end 17 near-end
23 traction piece, 25 Access Division 27 splicing block
29 raised 31 groove 33 circular holes
271st, 272 splicing block circle
Specific embodiment
Present invention is disclosed a kind of assistive device of tubular binding strument, especially one kind are used for guiding tubular binding strument
Enter internal guiding piece, specifically embodiment as depicted.
The tubular binding strument of prior art, as shown in figure 5, include pipe 7, located at the nail anvil group of described pipe 7 far-end
Part, nail bin groupware and the nail barrel for accommodating nail bin groupware, and be movably disposed in described nail barrel and be used for and described nail
The anvil pull rod 9 that anvil assembly connects.Described nail bin groupware includes nail bin 3 and the anastomosis staple being placed in nail bin, and movably sets
Put cutting knife 11 and the pushing slice of nail within nail barrel 1, the far-end of described nail bin 3 is nail bin face, relative with the nail anvil face of nail-anvil assembly.
The nail bin inwall 5 of described nail bin 3 is close to by described cutting knife 11.
In the present invention, as shown in Figures 1 to 4, described guiding piece is in the truncated cone-shaped of hollow, including a near-end 17 and one
Far-end 15, and connect the outer wall 13 of this near-end 17 and far-end 15, the external diameter of described far-end 15 to near-end 17 is gradually increased.This
Bright feature is：Described guiding piece is spliced by splicing construction fixation by one group of splicing block 27, all of splicing block 27
Connected by same traction piece 23 insertion.Described traction piece 23 is a drag wire, can set circle on described splicing block 27
Hole 33, described traction piece 23 passes through the circular hole 33 of all splicing blocks 27, and the splicing block of distalmost end is fixed in one end of traction piece 23
On 27, its other end is the free end that can be pulled, when guiding piece composition be structure as a whole after, traction piece 23 be tightened up for
Splicing between each contiguous concatenation block 27 in fixed guide further.
Specifically, described guiding piece is spliced by the splicing block circle 271,272 of at least two circles, described splicing block circle 271,
272 are formed by described splicing block 27 close-packed arrays.Described splicing construction is to be separately positioned on adjacent splicing block circle 271,272
The projection 29 cooperating and groove 31.So, adjacent splicing block circle 271,272 just can interfix.Originally it is preferable to carry out
Example includes 4 splicing block circles.Certainly, can also be mutual using splicing construction between the splicing block 27 on same splicing block circle
Fixing, this splicing construction can be the projection 29 cooperating and the groove 31 that are separately positioned on adjacent splicing block 27.This
Splicing construction in bright is only for example, description, the spheroid that can also be protrusion and the recessed spheroid matching in being not limited to illustrate
Etc..
The outer wall of described splicing block circle 271,272 forms the outer wall 13 of described guiding piece, adjacent described splicing block circle
271st, 272 outer wall seamlessly transits, and so, will not scrape guiding this outer wall 13 when tubular binding strument enters in patient body
Injured tissue.
Except aforesaid, circular hole 33 is set on splicing block 27, described traction piece 23 passes through the circular hole 33 of all splicing blocks 27
Outward, it is also possible that some splicing blocks 27 are all molded is fixed on described drag wire.As long as described traction piece 23 plays traction making
With.Described tubular binding strument nail barrel is provided with least one bullport, and in original state, described traction piece 23 is another
One end passes through from described bullport.
The near-end 17 of described guiding piece has further extended outward an Access Division 25, and the external diameter of described Access Division 25 is less than or equal to
The internal diameter of the nail bin inwall 5 of described nail bin 3.So guiding piece can be connected on nail bin 3.The maximum outside diameter of described guiding piece is little
In or be equal to the external diameter of nail barrel 1, so, guiding piece will not increase nail barrel entire outer diameter, reduce tubular binding strument and enter human body
The difficulty of tissue.
In operation, first the guiding piece of this preferred embodiment is socketed in the far-end of nail bin groupware, then guides tubular type
Binding Instrument enters in human body, and now the free end of traction piece 23 passes through bullport and to be exposed to patient external.Then pull described
Traction piece 23, makes described guiding piece disintegrate by the order that draws near, ultimately form can depart from tubular binding strument a string by
The splicing block string that described traction piece 23 connects.Certainly the above embodiments can also be extracted out outside Binding Instrument, as long as change leading
Draw the link position that part is located on guiding piece.
The present invention's is simple to operate, only needs a step just can realize guiding piece and departs from described tubular binding strument.
All technical sides that the present invention still has multiple specific embodiments, equivalent or equivalent transformation and formed
Case, all falls within the scope of protection of present invention.
Claims (7)
1. a kind of guiding piece, is coupled on tubular binding strument, described tubular binding strument include nail-anvil assembly, nail bin groupware and
Accommodate the nail barrel (1) of described nail bin groupware；Described nail bin groupware includes nail bin (3) and the anastomosis staple being placed in described nail bin, its
It is characterised by：Described guiding piece is in the truncated cone-shaped of hollow, and including a near-end (17) and a far-end (15), and it is near to connect this
End (17) and the outer wall (13) of far-end (15), the external diameter of described far-end (15) to near-end (17) is gradually increased；Described guiding piece by
One group of splicing block (27) is spliced by splicing construction fixation, and all of splicing block (27) is passed through by same traction piece (23)
Wear connection, described guiding piece disintegrates by the order drawing near when by external force tractive, ultimately form and can depart from tubular type dress
Order a string splicing block string being connected by described traction piece (23) of instrument；Described splicing construction is to be separately positioned on adjacent splicing block
(27) projection (29) cooperating on and groove (31)；Described traction piece (23) is a drag wire, all of splicing block
(27) all injection is fixed on described drag wire.
2. guiding piece according to claim 1 it is characterised in that：Described guiding piece is by the splicing block circle of at least two circles
(271,272) are spliced, and described splicing block circle (271,272) is formed by described splicing block (27) close-packed arrays.
3. guiding piece according to claim 2 it is characterised in that：Described splicing construction is to be separately positioned on adjacent splicing
The projection (29) cooperating on block circle (271,272) and groove (31).
4. guiding piece according to claim 3 it is characterised in that：The outer wall composition institute of described splicing block circle (271,272)
State the outer wall (13) of guiding piece, the outer wall of adjacent described splicing block circle (271,272) seamlessly transits.
5. guiding piece according to claim 1 it is characterised in that：It is equipped with circular hole (33), institute on described splicing block (27)
State the circular hole that traction piece (23) passes through all splicing blocks (27).
6. guiding piece according to claim 1 it is characterised in that：The near-end (17) of described guiding piece has further extended outward one
Access Division (25), the external diameter of described Access Division (25) is less than or equal to the internal diameter of the nail bin inwall (5) of described nail bin (3).
7. according to the arbitrary described guiding piece of claim 1 to 6 it is characterised in that：Described tubular binding strument nail barrel is provided with
At least one bullport, the guiding piece after described disintegration departs from described tubular binding strument from described bullport.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210596984.5A CN103908316B (en) | 2012-12-29 | 2012-12-29 | Guide element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210596984.5A CN103908316B (en) | 2012-12-29 | 2012-12-29 | Guide element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103908316A CN103908316A (en) | 2014-07-09 |
| CN103908316B true CN103908316B (en) | 2017-02-22 |
Family
ID=51034537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210596984.5A Active CN103908316B (en) | 2012-12-29 | 2012-12-29 | Guide element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103908316B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202218890U (en) * | 2011-08-24 | 2012-05-16 | 苏州天臣国际医疗科技有限公司 | Guiding device |
| CN202982112U (en) * | 2012-12-29 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Guide part |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2049037B1 (en) * | 2006-06-21 | 2010-03-17 | Rudolf Steffen | Device for introducing and positioning surgical instruments |
| GB2478591A (en) * | 2010-03-12 | 2011-09-14 | Gideon Cube-Sherman | Articulated sub-units |
-
2012
- 2012-12-29 CN CN201210596984.5A patent/CN103908316B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202218890U (en) * | 2011-08-24 | 2012-05-16 | 苏州天臣国际医疗科技有限公司 | Guiding device |
| CN202982112U (en) * | 2012-12-29 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Guide part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103908316A (en) | 2014-07-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
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. |
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| CP03 | Change of name, title or address |