CN201227338Y - Anti-skid cardia bracket - Google Patents

Anti-skid cardia bracket Download PDF

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Publication number
CN201227338Y
CN201227338Y CNU2008201514568U CN200820151456U CN201227338Y CN 201227338 Y CN201227338 Y CN 201227338Y CN U2008201514568 U CNU2008201514568 U CN U2008201514568U CN 200820151456 U CN200820151456 U CN 200820151456U CN 201227338 Y CN201227338 Y CN 201227338Y
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CN
China
Prior art keywords
cardia
positioning port
lobe
backflows
cydariform
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.)
Expired - Fee Related
Application number
CNU2008201514568U
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Chinese (zh)
Inventor
程英升
宋富珍
周星
朱明�
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Publication date
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Priority to CNU2008201514568U priority Critical patent/CN201227338Y/en
Application granted granted Critical
Publication of CN201227338Y publication Critical patent/CN201227338Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a skidproof cardia supporting frame which belongs to the technical field of medical instruments and comprises a tympaniform positioning opening, a trumpet-shaped positioning opening, a supporting net pipe and a back-streaming resistance section, wherein the tympaniform positioning opening is positioned at the upper end of the cardia supporting frame and is composed of three continuous tympaniforms, the trumpet-shaped positioning opening is positioned at the lower end of the cardia supporting frame, the tympaniform positioning opening at the upper end is connected with the trumpet-shaped positioning opening at the lower end by the supporting net pipe, the back-streaming resistance section is positioned in the connection position between the trumpet-shaped positioning opening at the lower end and the supporting net pipe, or in the connection position between the tympaniform positioning opening at the upper end and the supporting net pipe, or in the supporting net pipe. The utility model has the advantages of difficult displacement, glissade resistance and suitability of cardia anatomy, strong back-streaming resistance function and simple operation; in addition, threads soaked in the stomach are provided with a protective coating layer, and the utility model is suitable for the expansion treatment of cardia stenosis caused by various reasons.

Description

Anti-skidding cardia stent
Technical field
This utility model relates to a kind of support of medical equipment technical field, specifically, relates to a kind of anti-skidding cardia stent.
Background technology
In the prior art, carcinoma of esophago cardia, cardia lose slow disease, hiatal hernia, or the preventricular stenosis that causes of other physics or chemical damage, and preventricular stenosis often takes place in underwent operative treatment back.
Find through literature search prior art, China utility model patent ZL97200206.5 provide a kind of Intra-cavity support for medical with film, obtained certain effect when adopting this stent in the treatment preventricular stenosis, but because the cardia shape is special, on connect under the esophagus and connect stomach, have the anti-function of backflowing concurrently, the support of implanting not only requires to have good positioning, be not easy displacement, glide, and the part of support can go deep in the stomach, the tinsel of avoiding exposing soaks the corrosion fracture that is caused in gastric juice.
Therefore need the support of prior art be improved, develop a kind of that preventricular stenosis uses, as to be difficult for downslide cardia stent that is suitable for treating.
The utility model content
This utility model provides a kind of anti-skidding cardia stent at the deficiencies in the prior art, is fit to preventricular stenosis and uses, and has to be not easy to be shifted, to prevent to glide, to be fit to the cardia anatomic characteristic, to have the anti-tinsel that backflows function, is immersed in the gastric juice that protective finish is arranged.
This utility model is achieved through the following technical solutions, this utility model comprises cydariform positioning port, tubaeform positioning port, bearing reticular tube, the anti-lobe that backflows, described cydariform positioning port position is in the cardia stent upper end, constitute by three successive cydariforms, tubaeform positioning port position is in the cardia stent lower end, upper end cydariform positioning port is connected by bearing reticular tube with the tubaeform positioning port in lower end, the anti-lobe that backflows is positioned at the connecting portion of tubaeform positioning port in lower end and bearing reticular tube, the connecting portion of cydariform positioning port and bearing reticular tube, the perhaps inside of bearing reticular tube perhaps.
Described cardia stent is a Ti-Ni marmem silk braided part.
The described cardia stent medical flexible material membrane that other parts can be implanted in human body except the cydariform positioning port coats.
The described anti-lobe that backflows is the three lobe shape petal design made from the medical flexible material membrane that can implant in human body to the lower end projection.
The described anti-lobe that backflows is one or two, two anti-, and the lobe of lobe that backflows does not overlap with fissured upright projection between the lobe, be called the anti-recirculation device of double-deck non-overlapped petal type, thereby form the double-deck anti-cardia stent that backflows, this structure is keeping can effectively improving the anti-effect of backflowing under the good situation of venting capability.
This utility model cardia stent is had good positioning owing to adopted bearing reticular tube to cooperate positioning port structure up and down, is not easy displacement; Particularly the positioning port of being made up of three drum organizations on the support has obviously reduced the probability that support glides; The tubaeform positioning port in lower end and bearing reticular tube coat with the medical flexible material membrane, improved the corrosive power that cardia stent gos deep into the anti-gastric juice of gastric juice part support; The anti-recirculation device of double-deck non-overlapped petal type has effectively improved anti-backflowing, and has kept the good aeration ability simultaneously again; The setting of exhausting line makes things convenient for the adjustment of backing positions and support to take out.
This utility model cardia stent have be not easy to be shifted, prevent to glide, be fit to the cardia anatomic characteristic, the anti-function of backflowing tinsel strong, that be immersed in the gastric juice has protective finish, the easy advantage of operation technique, is suitable for the dilation therapy of the preventricular stenosis that a variety of causes causes.
Description of drawings
Fig. 1 is the structural representation of this utility model embodiment;
Among the figure: cydariform positioning port 1, tubaeform positioning port 2, bearing reticular tube 3, medical flexible material membrane 4, the anti-lobe 5 that backflows, exhausting line 6, crack 7, Ti-Ni marmem silk 8.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated: present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the described cardia stent of present embodiment is formed by 8 braidings of Ti-Ni marmem silk.There are three successive cydariform positioning ports 1 with the braiding of Ti-Ni marmem silk this cardia stent upper end, the tubaeform positioning port 2 of the useful Ti-Ni marmem silk braiding in cardia stent lower end, cardia stent upper end cydariform positioning port 1 is connected by the bearing reticular tube 3 with the braiding of Ti-Ni marmem silk that can resist the preventricular stenosis contractility with the tubaeform positioning port 2 in lower end.
The cydariform positioning port 1 of described cardia stent upper end is made of continuously the cydariform of three same structures, material, has prevented the support downslide effectively, has improved the success rate of treatment preventricular stenosis.
Described cardia stent is except cydariform positioning port 1, and the medical flexible material membrane 4 that other parts can be implanted in human body coats.
Described cardia stent comprises an anti-lobe 5 that backflows at least, the anti-lobe 5 that backflows is three lobe shape petal design to the lower end projection made from the medical flexible material membrane that can implant in human body, be positioned at the connecting portion of tubaeform positioning port 2 in lower end and bearing reticular tube 3, the connecting portion of cydariform positioning port 1 and bearing reticular tube 3, the perhaps inside of bearing reticular tube 3 perhaps.
The upright projection in the crack 7 between the lobe that described cardia stent is provided with two anti-5, two anti-lobes that backflow of lobes that backflow and the lobe does not overlap.
The upper limb of described cardia stent upper end cydariform positioning port 1 is equipped with the exhausting line 6 that cydariform positioning port 1 is entad shunk.When clinical the needs, can spur exhausting line 6, cydariform positioning port 1 is entad shunk, and then drive whole cardia stent and entad shrink, conveniently adjust the position of cardia stent where necessary or entire bracket is taken out external.
During clinical implantation, the present embodiment cardia stent is compressed in the carrier, under the direct-view of gastroscope or under the supervision of X ray, cardia stent is released in the preventricular stenosis place, make the cydariform positioning port 1 of the upper end of cardia stent be positioned at esophagus on the cardia, the lower end of cardia stent is tubaeform positioning port 2 is positioned under the cardia gastric is close to coat of the stomach.The anti-lobe 5 that backflows plays and prevents and reduce the effect that gastric acid backflows, and exhausting line 6 is convenient to be adjusted the position of cardia stent where necessary or entire bracket is taken out external.
Embodiment 2
1, the manufacturing of the anti-cardia stent that backflows of monolayer
Selecting recovery temperature for use is that to be woven into the upper end in mould be tubaeform, the middle silk screen of cylinder tube shape that is for cydariform, lower end for medical grade Ti-Ni marmem silk 8 that 25 ℃ ~ 33 ℃ diameters are 0.2mm ~ 0.25mm, the heat treatment of finalizing the design in mould then, making Ti-Ni marmem silk screen behind the typing heat treatment (as 35 ℃ ~ 37 ℃ time) upper end more than recovery temperature is tubaeform, the middle cylinder tube shape that is for cydariform, lower end.In mould, coat this silk screen other parts except the cydariform of upper end with medical grade silicone, while is tubaeform in the lower end and the semicircle spherical silica gel thin film of the connecting portion manufacturing of intermediate cylindrical webmaster to lower convexity, the spherical silica gel thin film of semicircle is cut into uniform three parts, form the anti-lobe 5 that backflows, promptly obtained the anti-cardia stent that backflows of monolayer after the cleaning.
2, the manufacturing of the double-deck anti-cardia stent that backflows
Basic manufacture method is identical with embodiment 1, used mould difference during one coating technique in the end only, the connecting portion of tubaeform positioning port 2 and intermediate cylindrical webmaster in the lower end, and the connecting portion of upper end cydariform positioning port 1 and intermediate cylindrical webmaster forms the two-layer anti-lobe 5 that backflows respectively, promptly obtained the double-deck anti-cardia stent that backflows.
3, take back the manufacturing of the anti-cardia stent that backflows of monolayer of take-up
Basic manufacture method is identical with embodiment 1, after difference is to have made the anti-cardia stent that backflows of monolayer, on the edge of the upper end of the cydariform positioning port 1 of overlay film not, be through in the mesh that Ti-Ni marmem silk 8 forms, promptly obtained taking back the anti-cardia stent that backflows of monolayer of take-up with medical operation suture thread (being exhausting line 6).When tension during exhausting line 6, cydariform positioning port 1 is entad shunk, and then drive whole cardia stent and entad shrink, make things convenient for and adjust the position of cardia stent where necessary or entire bracket is taken out external.
4, take back the manufacturing of the anti-cardia stent that backflows of bilayer of take-up
Basic manufacture method is identical with embodiment 2 or 3, and difference from Example 3 is to have made the anti-lobe that backflows of one deck more.
In addition, medical flexible material membrane 4 can also be selected other the medical flexible materials that can implant for use in human body, as medical silica-gel, medical polyurethane, medical ptfe, polypropylene for medical article etc.; The thickness of the diameter of medical grade Ti-Ni marmem silk and the height of recovery temperature, the anti-lobe that backflows, the anti-lobe position of backflowing etc. also can adjust accordingly according to clinical practical situation.

Claims (7)

1, a kind of anti-skidding cardia stent, it is characterized in that, comprise cydariform positioning port, tubaeform positioning port, bearing reticular tube, the anti-lobe that backflows, described cydariform positioning port position is in the cardia stent upper end, constitute by three successive cydariforms, tubaeform positioning port position is in the cardia stent lower end, upper end cydariform positioning port is connected by bearing reticular tube with the tubaeform positioning port in lower end, the anti-lobe that backflows is positioned at the connecting portion of tubaeform positioning port in lower end and bearing reticular tube, the connecting portion of cydariform positioning port and bearing reticular tube, the perhaps inside of bearing reticular tube perhaps.
2, anti-skidding cardia stent according to claim 1 is characterized in that, described tubaeform positioning port, bearing reticular tube, the anti-lobe that backflows all are coated with the medical flexible material membrane.
3, anti-skidding cardia stent according to claim 1 is characterized in that, the described anti-lobe that backflows is three lobe shape petal design to the lower end projection, and its material is the medical flexible material membrane.
According to claim 2 or 3 described anti-skidding cardia stents, it is characterized in that 4, described medical flexible material membrane is a kind of in medical silica-gel film, medical polyurethane film, the medical ptfe film.
According to claim 2 or 3 described anti-skidding cardia stents, it is characterized in that 5, the described anti-lobe that backflows is one or two, two anti-, and the lobe of lobe that backflows does not overlap with fissured upright projection between the lobe.
6, anti-skidding cardia stent according to claim 1 is characterized in that, described cydariform positioning port, and its upper limb is provided with exhausting line.
7, anti-skidding cardia stent according to claim 1 is characterized in that, described cardia stent is a Ti-Ni marmem silk braided part.
CNU2008201514568U 2008-07-31 2008-07-31 Anti-skid cardia bracket Expired - Fee Related CN201227338Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201514568U CN201227338Y (en) 2008-07-31 2008-07-31 Anti-skid cardia bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201514568U CN201227338Y (en) 2008-07-31 2008-07-31 Anti-skid cardia bracket

Publications (1)

Publication Number Publication Date
CN201227338Y true CN201227338Y (en) 2009-04-29

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CNU2008201514568U Expired - Fee Related CN201227338Y (en) 2008-07-31 2008-07-31 Anti-skid cardia bracket

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103547238A (en) * 2011-04-27 2014-01-29 百乐仕医疗器械有限公司 Stent
CN104107100A (en) * 2014-07-04 2014-10-22 济南高达信息技术有限公司 Bellow type anti-falling esophageal stent
CN108495599A (en) * 2015-11-12 2018-09-04 博奥司时代有限责任公司 Systems and methods for creating gastrointestinal tract tissue at an anastomosis site or other physiological site
CN110167491A (en) * 2016-11-09 2019-08-23 波士顿科学国际有限公司 Bracket with displacement capacity

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103547238A (en) * 2011-04-27 2014-01-29 百乐仕医疗器械有限公司 Stent
CN103547238B (en) * 2011-04-27 2016-01-20 百乐仕医疗器械有限公司 Support
CN104107100A (en) * 2014-07-04 2014-10-22 济南高达信息技术有限公司 Bellow type anti-falling esophageal stent
CN108495599A (en) * 2015-11-12 2018-09-04 博奥司时代有限责任公司 Systems and methods for creating gastrointestinal tract tissue at an anastomosis site or other physiological site
CN108495599B (en) * 2015-11-12 2020-07-31 博奥司时代有限责任公司 Systems and methods for creating gastrointestinal tract tissue at an anastomosis site or other physiological site
CN110167491A (en) * 2016-11-09 2019-08-23 波士顿科学国际有限公司 Bracket with displacement capacity

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Cheng Yingsheng

Inventor after: Song Fuzhen

Inventor after: Zhou Xing

Inventor after: Zhu Ming

Inventor after: Liang Xinmei;

Inventor before: Cheng Yingsheng

Inventor before: Song Fuzhen

Inventor before: Zhou Xing

Inventor before: Zhu Ming;

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: CHENG YINGSHENG; SONG FUZHEN; ZHOU XING; ZHU MING TO: CHENG YINGSHENG; SONG FUZHEN; ZHOU XING; ZHU MING; LIANG XINMEI

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090429

Termination date: 20110731