CN102429695A - Nickel-titanium alloy anorectal inside anastomoses device - Google Patents
Nickel-titanium alloy anorectal inside anastomoses device Download PDFInfo
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- CN102429695A CN102429695A CN2011102639872A CN201110263987A CN102429695A CN 102429695 A CN102429695 A CN 102429695A CN 2011102639872 A CN2011102639872 A CN 2011102639872A CN 201110263987 A CN201110263987 A CN 201110263987A CN 102429695 A CN102429695 A CN 102429695A
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- nitinol
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- nickel
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Abstract
The invention relates to a nickel-titanium alloy anorectal inside anastomoses device which comprises a sealed nickel-titanium alloy mother ring and an opened nickel-titanium alloy sub-ring, wherein two opened ends of the opened nickel-titanium alloy sub-ring are overlapped at normal temperature state to form an integral ring, the opened ends of the nickel-titanium alloy sub-ring are respectively provided with a fixation hook for connecting with anastomoses placers, and the nickel-titanium alloy mother ring and sub-ring are respectively embedded in two anastomose placers. The device utilizes self channel anus to complete anastomoses operation inside the intestine without opening the abdomen, anorectal inside cola anastomoses is convenient for operation, the necrosis of infected intestinal wall and tissues in abdominal cavity is avoided, intestinal wall heals simultaneously so as to finally form a uniform and consistent anastomotic stoma, and the anastomotic cola has no leakage. The alloy rings can naturally shed and are completely discharged out without leaving foreign bodies, complications are not generated, and the patient is free of significant uncomfortableness; and in addition, nickel-titanium alloy anorectal inside anastomoses can reduce infection after operation and is an almost non-contact operation.
Description
Technical field
The invention belongs to technical field of medical instruments, relate to stapling apparatus in a kind of Nitinol anorectal, utilize self passage anus at the inner anastomosis operation of accomplishing of intestines.
Background technology
Traditional coloproctosomy adopts the straight line anastomat, and this anastomat needs to carry out opening under the abdomen state, forms a new coarse wound near the suturing nail behind the cutting intestinal wall; Might take place narrow by postoperative; Intestinal wall myometrial suture imprecision, anastomotic leakage, and the possibility that increases pollution is arranged; Binder on the hand held (CAC) also needs in hands helps out the operation of abdomen, the NiTi folder to be implanted through manual control though there is Nitinol to be embedded on the binder.
Summary of the invention
The present invention seeks to solve existing CCA needs to carry out opening under the abdomen state, and postoperative is prone to take place narrow, intestinal wall myometrial suture imprecision, and problems such as anastomotic leakage provide stapling apparatus in a kind of Nitinol anorectal.This attaches together and puts is to utilize self passage anus at the inner anastomosis operation of accomplishing of intestines, need not out abdomen.
Stapling apparatus in the Nitinol anorectal provided by the invention; Comprise the female ring of an occluded ellipse shape or circular Nitinol; Oval or the circular Nitinol subring of an opening; Splice and form a domain in two open ends of the Nitinol subring that the room temperature state is opened down; The open end of Nitinol subring respectively is provided with a subring fixation hook that is used to connect identical placement device, and the female ring of Nitinol embeds female the ring in the placement device of coincideing, and the Nitinol subring is connected cooperation through the fixation hook that is provided with on the subring fixation hook and the subring placement device end that coincide with identical subring placement device.
Described identical subring placement device by connect together and can active relatively identical subring placement device overcoat and identical subring placement device in overlap and forms, an end that overlaps in coincide subring placement device overcoat and the identical subring placement device respectively be fixed with one with the Nitinol subring on the subring fixation hook be connected the identical subring placement device fixation hook of cooperation.
The medial surface of the female ring of described Nitinol is a loop concave that is used for fixing the Nitinol subring, and female ring internal diameter is identical with the subring external diameter.
Advantage of the present invention and good effect:
The advantage of stapling apparatus is to open abdomen in the Nitinol anorectal provided by the invention; Identical colon is easy to operate in anorectal, can be when avoiding the IAI intestinal tissue downright bad; Be attended by the formation of intestinal wall healing, finally form the anastomotic stoma of a uniformity.
Alloy hoop in apparatus of the present invention can come off and excrete completely naturally, and can not produce complication, and patient does not have the significant discomfort sense; Anastomosis in the Nitinol anorectal can reduce postoperative infection in addition, and this operation is a kind of almost non-contacting operation; All alloy hoops all come off according to preset time, thereby can to sum up this necrosis process be controlled, and can adjust to and be suitable for new spot tissue and form; Can bring colon completely to coincide and complete epithelium forms, perform the operation and observe with colonoscope after six months, the discovery anastomotic position is smooth careful and almost can't see the spot tissue; Recovery time is short, and the healing index is better.Anastomosis reduces the characteristic of damage in the Nitinol anorectal, be because the interior stapling apparatus of Nitinol anorectal makes things convenient for the doctor to use and be little to patient trauma, so the present invention is a stapling apparatus more outstanding, that be more suitable for CCA.
Description of drawings
Fig. 1 is stapling apparatus (partial cutaway) sketch map in the Nitinol anorectal.
Fig. 2 is the female ring of a Nitinol sketch map.
Fig. 3 is a Nitinol subring sketch map.
Fig. 4 is Nitinol subring and identical subring placement device mated condition figure.
Fig. 5 is the subring placement device decomposing schematic representation that coincide.
Fig. 6 is female ring of Nitinol and the overlapping user mode sketch map of subring.
Among the figure, 1 female ring placement device that coincide, the female ring of 2 Nitinols, 3 Nitinol subrings, the 4 subring placement devices that coincide, the 4-1 subring placement device overcoat that coincide, the 4-2 cover in the subring placement device that coincide, 5 subring fixation hooks, 6 identical subring placement device fixation hooks.
The specific embodiment
Embodiment 1:
As shown in Figure 1; Stapling apparatus in the Nitinol anorectal provided by the invention; Comprise the female ring of an occluded ellipse shape or circular Nitinol 2 (see figure 2)s; Oval or the circular Nitinol subring 3 of an opening, two open ends of the Nitinol subring that (or body temperature) is opened under the room temperature state are spliced and are formed a domain (see figure 3), and the open end of Nitinol subring respectively is provided with a subring fixation hook 5 that is used to connect identical placement device; The female ring of Nitinol embeds in female ring placement device 1 that coincide, and the Nitinol subring is connected cooperation through the fixation hook 6 that is provided with on the subring fixation hook 5 and subring placement device 4 ends that coincide with identical subring placement device 4.
Described identical subring placement device 4 can by connect together and can active relatively identical subring placement device overcoat 4-1 and identical subring placement device in cover 4-2 forms (seeing Fig. 4 and Fig. 5), in coincide subring placement device overcoat and the identical subring placement device end of cover respectively be fixed with one with the Nitinol subring on the subring fixation hook be connected the identical subring placement device fixation hook 6 of cooperation.
The medial surface of the female ring of described Nitinol is a loop concave that is used for fixing the Nitinol subring, and female ring internal diameter is identical with the subring external diameter.
Concrete use
At first in laparoscopy-assisted operation, focus colectomy is taken out, with turnup in the intestines of near-end, far-end intestinal mouth is stretched in the turnup place; See the enteral wall from anus, identical female ring placement device 1 that will have the female ring 2 of Nitinol stretches into enteral portion from anus, in the female ring of Nitinol is placed in the intestinal wall of turnup; And then be connected the end to Nitinol subring 3 and have on the identical subring placement device 4 of the subring placement device fixation hook 6 that coincide, immerses in the ice-cold physiological saline solution, each other the overcoat and the interior cover of the moving identical subring placement device of knob; Make the shrinkage of subring chance little, then the identical placement device 4 of subring is stretched into from female ring placement device that coincide together with the Nitinol subring, subring is enclosed within mother encircles on the inboard intestinal mouth; Twist the overcoat and the interior cover of the subring placement device 4 that coincide once more, the fixation hook that the subring placement device end that coincide connects breaks away from the fixation hook in the Nitinol subring, rises to body temperature in colonic subring temperature and causes Nitinol subring refresh memory; Make the overlapping (see figure 6) of primary and secondary ring; Close to link to each other with mother ring and force together, extract two identical placement devices simultaneously out, can produce slough encircling the pressure place; Along with the necrosis progress; Around slough, can produce new healing cicatrix, approximately the spot around the slough is organized and can be supported intestinal anastomotic stoma completely after 7--11 days, and at this moment alloy hoop will come off and excrete.
Claims (3)
1. stapling apparatus in the Nitinol anorectal; It is characterized in that this device comprises an occluded ellipse shape or the female ring of circular Nitinol; Oval or the circular Nitinol subring of an opening; Splice and form a domain in two open ends of the Nitinol subring that the room temperature state is opened down; The open end of Nitinol subring respectively is provided with a subring fixation hook that is used to connect identical placement device, and the female ring of Nitinol embeds female the ring in the placement device of coincideing, and the Nitinol subring is connected cooperation through the fixation hook that is provided with on the subring fixation hook and the subring placement device end that coincide with identical subring placement device.
2. stapling apparatus in the Nitinol anorectal according to claim 1; It is characterized in that described identical subring placement device by connect together and can active relatively identical subring placement device overcoat and identical subring placement device in overlap and forms, an end that overlaps in coincide subring placement device overcoat and the identical subring placement device respectively be fixed with one with the Nitinol subring on the subring fixation hook be connected the identical subring placement device fixation hook of cooperation.
3. stapling apparatus in the Nitinol anorectal according to claim 1 and 2 is characterized in that the medial surface of the female ring of described Nitinol is a loop concave that is used for fixing the Nitinol subring, and female ring internal diameter is identical with the subring external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110263987 CN102429695B (en) | 2011-09-08 | 2011-09-08 | Nickel-titanium alloy anorectal inside anastomoses device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110263987 CN102429695B (en) | 2011-09-08 | 2011-09-08 | Nickel-titanium alloy anorectal inside anastomoses device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102429695A true CN102429695A (en) | 2012-05-02 |
| CN102429695B CN102429695B (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110263987 Active CN102429695B (en) | 2011-09-08 | 2011-09-08 | Nickel-titanium alloy anorectal inside anastomoses device |
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| CN (1) | CN102429695B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805989A (en) * | 2019-03-04 | 2019-05-28 | 武欣 | Application of spring leaf and products thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005193044A (en) * | 2003-12-29 | 2005-07-21 | Ethicon Endo Surgery Inc | Device and method for intraluminal anastomosis |
| CN101243987A (en) * | 2008-02-27 | 2008-08-20 | 刘忠臣 | Invagination type glue ring lock catch fixed intestines fitting ring |
| US20090069822A1 (en) * | 2007-09-10 | 2009-03-12 | Olympus Medical Systems Corp. | Tissue fastening tool, stent, applicator for placing the same, and tissue fastening method through natural orifice |
-
2011
- 2011-09-08 CN CN 201110263987 patent/CN102429695B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005193044A (en) * | 2003-12-29 | 2005-07-21 | Ethicon Endo Surgery Inc | Device and method for intraluminal anastomosis |
| US20090069822A1 (en) * | 2007-09-10 | 2009-03-12 | Olympus Medical Systems Corp. | Tissue fastening tool, stent, applicator for placing the same, and tissue fastening method through natural orifice |
| CN101243987A (en) * | 2008-02-27 | 2008-08-20 | 刘忠臣 | Invagination type glue ring lock catch fixed intestines fitting ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805989A (en) * | 2019-03-04 | 2019-05-28 | 武欣 | Application of spring leaf and products thereof |
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| Publication number | Publication date |
|---|---|
| CN102429695B (en) | 2013-07-17 |
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