CN206995365U - Duodenal stent and duodenal stent device for posting - Google Patents
Duodenal stent and duodenal stent device for posting Download PDFInfo
- Publication number
- CN206995365U CN206995365U CN201720104850.5U CN201720104850U CN206995365U CN 206995365 U CN206995365 U CN 206995365U CN 201720104850 U CN201720104850 U CN 201720104850U CN 206995365 U CN206995365 U CN 206995365U
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- Prior art keywords
- duodenal stent
- network
- annular air
- duodenal
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/97—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve the outer sleeve being splittable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2002/045—Stomach, intestines
Abstract
It the utility model is related to medical instruments field, and in particular to a kind of duodenal stent and duodenal stent device for posting；The duodenal stent, it includes tubular network and the annular air-pocket located at network termination；The outer circumference diameter of the annular air-pocket is more than the external diameter of network termination；The annular air-pocket is provided with the gas injection port with sealing structure.The device for posting of described duodenal stent, it includes being arranged successively from inside to outside and can relative core pipe, middle pipe and the outer tube slided；The distal end of the outer tube is provided with the breach to put the first edge on a knife or a pair of scissors.The utility model has the advantage of：The setting of annular air-pocket, the connecting portion for hanging on duodenum and stomach pyloric canal for enabling whole duodenal stent to stablize, prevents duodenal stent from shifting or coming off with the wriggling of enteron aisle.Overlay film can be prevented effectively in tissue insertion network, be easy to the taking-up of duodenal stent in future.
Description
Technical field
It the utility model is related to medical instruments field, and in particular to a kind of duodenal stent and rami duodenales mount
Enter device.
Background technology
The common method of duodenal stenosis obstruction and anastomotic stricture is treated, is to place one at the position of bowel narrow
Support struts enteron aisle, bowel narrow or obstructive position is recovered unobstructed again., may after traditional stenter to implant duodenum
There is displacement problem, and tissue is easily embedded in support, and the taking-up to support from now on makes troubles.
The content of the invention
One of the purpose of this utility model be to provide it is a kind of it is simple in construction, be not easy the duodenal stent that shifts.
One of the purpose of this utility model is that providing a kind of duodenal stent simple in construction, simple operation inserts
Device.
The purpose of this utility model is achieved through the following technical solutions：A kind of duodenal stent, it includes tubular net
Shape support and the annular air-pocket located at network termination；The outer circumference diameter of the annular air-pocket is more than network termination
External diameter；The annular air-pocket is provided with the gas injection port with sealing structure.
The device for posting of described duodenal stent, it include being arranged successively from inside to outside and can relative slip core pipe,
Middle pipe and outer tube；The distal end of the outer tube is provided with the breach to put the first edge on a knife or a pair of scissors.
For prior art, the utility model has the advantage of：
1. the setting of annular air-pocket, enable what whole duodenal stent stablized to hang on duodenum and stomach pyloric canal
Connecting portion, prevent duodenal stent from shifting or coming off with the wriggling of enteron aisle.
2. overlay film can be prevented effectively in tissue insertion network, it is easy to the taking-up of duodenal stent in future.
3. there is good super-elasticity, energy under body temperature environment using duodenal stents made of material such as cobalt-base alloys
Deformed with intestines peristalsis, discomfort will not be brought to patient.
4. the setting of air injection pipe is easy to annular air-pocket to inflate.
5. duodenal stent can not only be implanted to the institute of enteron aisle by duodenal stent device for posting of the present utility model
Position is needed, and the breach of duodenal stent device for posting distal outer tube can cut off air injection pipe, without using extra apparatus
Air injection pipe is cut off, makes the implant procedure of duodenal stent convenient.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the view that the utility model embodiment one is implanted into duodenum.
Fig. 3 is the view when air injection pipe of the utility model embodiment one is cut.
Fig. 4 is the structural representation of the utility model another kind duodenal stent.
Fig. 5 is the view in the utility model another kind duodenal stent implantation duodenum.
Fig. 6 is the view when air injection pipe of the utility model another kind duodenal stent is cut.
Fig. 7 is the structural representation of the utility model embodiment two.
Fig. 8 is the view that the utility model embodiment two is implanted into duodenum.
Fig. 9 is the structural representation of the utility model another kind duodenal stent.
Figure 10 is the view in the utility model another kind duodenal stent implantation duodenum.
Figure 11 is the structural representation of the utility model duodenal stent device for posting.
Figure 12 is the view that rami duodenales is placed on duodenal stent device for posting.
Figure 13 is the view of outer tube cut-out air injection pipe.
Label declaration：1 network, 2 annular air-pockets, 3 overlay films, 4 check valves, 5 stomaches, 6 duodenums, 7 air injection pipes, 8 are received
Mouth line, 9 sealing-plugs, 10 core pipes, 11 middle pipes, 12 outer tubes, 13 support limited caps, 14 front hand grips, 15 back handles, 16 breach.
Embodiment
The utility model content is described in detail with reference to Figure of description and embodiment：
Embodiment one：
As shown in Figure 1, 2, 3：A kind of duodenal stent, it includes tubular network 1 and located at network 1
The annular air-pocket 2 of termination；The outer circumference diameter of the annular air-pocket 2 is more than the external diameter of the termination of network 1；The annular air-pocket 2
It is provided with the gas injection port with sealing structure.
Before duodenal stent implantation enteron aisle, annular air-pocket 2 is in unaerated state, therefore the setting of annular air-pocket 2 is simultaneously
The implantation of whole duodenal stent is not interfered with.The setting of annular air-pocket 2 is equivalent to adding the outer of the termination of network 1
Footpath, allows the stable connecting portion for hanging on duodenum and stomach pyloric canal of whole duodenal stent, avoids compacted because of enteron aisle
Move and be subjected to displacement or come off.
Described duodenal stent, it also includes covering in the overlay film 3 in the outside wall surface of network 1.
The overlay film 3 is covered in the outside wall surface of whole network 1.
The duodenal stent integrates overlay film 3, network 1 and annular air-pocket 2, makes the duodenal stent not
The stable connecting portion for being supported in duodenum 6 and stomach pyloric canal is only capable of, and tissue can be prevented to be embedded in netted branch
In frame, it is easy to the taking-up of duodenal stent from now on.
The material of the network 1 is cobalt-base alloys, nickel-base alloy, titanium alloy or degradable magnesium alloy.
Described cobalt-base alloys, nickel-base alloy, titanium alloy and degradable magnesium alloy be respectively provided with good biocompatibility and
Elasticity, the duodenal stent as made from these materials possess superior function, have good elasticity under body temperature environment, can be with
Normal intestines peristalsis and deform, enteron aisle had not only been kept clear but also without discomfort.
The sealing structure is check valve 4.Described duodenal stent, it also includes the gas injection being connected with check valve 4
Pipe 7.After in duodenal stent implantation duodenum 6, air injection pipe 7 is extended about to the orifice of the stomach of stomach from the pyloric canal of stomach,
Human body oral area can be even extended to along esophagus, doctor easily can be inflated by air injection pipe 7 for annular air-pocket 2.When annular gas
After capsule gas 2 is full of gas, air injection pipe 7 need to only be cut from air injection pipe 7 and the connecting portion of check valve 4.
The mouth end of the network 1 is in mushroom-head shape, and the annular air-pocket 2 is located at the mouth end of network 1.
Certainly, as shown in Figure 4,5, 6, the mouth end of the network 1, anus end can also be in mushroom-head shape, described
Annular air-pocket 2 is located at the mouth end of network 1；As shown in Figure 5,6：Mouth end provided with annular air-pocket 2 is located at the pyloric canal of stomach 5
Place, the indwelling of anus end is in duodenum 6.
After in duodenal stent implantation human body, one end close to human body oral area is mouth end, close to the one of human anus
Hold as anus end.As shown in Figure 2：After the duodenal stent is orally implanted into duodenum, the mouth end of network 1 is located at stomach 5
Pyloric canal at, the anus end of network 1 is located in duodenum.
The mouth end of network 1 is in mushroom-head shape, adds the expansionary force of whole duodenal stent termination, is allowed whole
Duodenal stent is more stably fixed in enteron aisle.
Annular air-pocket 2 and the mushroom-head shape at 1 mouthful of end of network bring out the best in each other：When the mouth end of network 1 is not in mushroom
During mushroom head shapes, annular air-pocket 2 easily by enteron aisle compressive strain, makes duodenal stent produce the possibility of displacement；When network 1
Termination be in mushroom-head shape, but when not setting annular air-pocket 2, in order to prevent duodenal stent from shifting, must just increase mushroom
The size of head, after mushroom head becomes greatly, made troubles to the taking-up of duodenal stent from now on.And annular air-pocket 2 and mushroom
The common setting of head shapes can allow whole duodenal stent to be more stably fixed in enteron aisle, be easy to take out ten in the future again
Two duodenum 12 supports.
Described annular air-pocket 2 can be sheathed in the outside wall surface of the termination of network 1, or is directly affixed on network
On the end face of 1 termination；
When annular air-pocket 2 is located at the termination of network 1, the center of circle of annular air-pocket 2 and the circle of the termination end face of network 1
The heart coincides.A diameter of 20mm of mushroom head of the termination of network 1 or so, the race diameter of the annular air-pocket 2 is 30mm-
32mm, so the periphery of annular air-pocket is 5-6mm beyond the distance of the mushroom head outside wall surface of network 1.
Described duodenal stent, it also includes the closing in line 8 for being located on 1 mouthful of end of network.The traction of closing in line
End may extend to human stomach.
The method for implantation of the duodenal stent is：The duodenal stent is under the auxiliary of endoscope and X-ray transmission
In oral implantation duodenum 6.As shown in Fig. 2 after duodenal stent implantation, the mouth end provided with annular air-pocket 2 is located at stomach 5
At pyloric canal, the indwelling of anus end recycles syringe or other aerating devices by air injection pipe 7 to annular afterwards in duodenum 6
Air bag 2 is inflated；Air injection pipe 7 is cut along air injection pipe 7 and the connecting portion of check valve 4 followed by apparatus.
When the duodenal stent need to be taken out, a pipeline is first inputted into stomach 5 from oral area, then along pipeline access instruments
(such as injection needle, seal wire) punctures annular air-pocket 2, and then the traction end of closing in line 8 is drawn into pipeline, firmly pulls closing in
Line 8, the mouth end of duodenal stent are tightened up and entered in pipeline, continue to pull closing in line 8 afterwards until the whole duodenum
Support enters in pipeline, you can takes out the duodenal stent in the lump with pipeline.
Embodiment two：The utility model embodiment two is substantially similar to the structure of embodiment one, and its main distinction is：Such as
Shown in Fig. 7-10：The sealing structure is the sealing-plug 9 of quality of rubber materials.
The duodenal stent of embodiment two gives annular air-pocket 2 when in use, by the injection needle insertion sealing-plug 9 of syringe
Inflation, after annular air-pocket 2 is full of gas, removes syringe.Because the material of sealing-plug 9 is rubber, injection needle insertion
Pin hole annular air-pocket 2 can't be made to leak air phenomenon.
Gas injection port can also be not provided with annular air-pocket 2 described in the utility model, can be equipped with annular air-pocket 2 in body
The chemical substance of gas can be generated under warm environment, such annular air-pocket 2 can expand naturally without being inflated by the external world.
Duodenal stent described in the utility model is not only limited to the use of in duodenum, can also apply to enteron aisle
Any position.
Embodiment three：As figs 11-13：A kind of duodenal stent device for posting, it includes being arranged successively from inside to outside
And can relative core pipe 10, middle pipe 11 and the outer tube 12 slided；The distal end of the outer tube 12 is provided with the breach 16 to put the first edge on a knife or a pair of scissors.Breach 16
Available for cut-out air injection pipe 7.
The distal end of core pipe 10 is connected with the support limited cap 13 positioned at the distal exterior of outer tube 12；The near-end of the outer tube 12
Provided with front hand grip 14；The near-end of the middle pipe 11 is provided with back handle 15.
As shown in figure 12：Duodenal stent is placed in the duodenal stent device for posting, and duodenal stent is arranged
Outside core pipe 10 and it is limited in outer tube 12, and the anus end of duodenal stent is limited by support limited cap 13, rami duodenales
The mouth end of frame is in contact with the distal end of middle pipe 11.It is suitable in duodenum that duodenal stent is sent into by the duodenal stent
After in position, outer tube 12 is recalled rapidly, allows the anus end of duodenal stent first to discharge, and promotes middle pipe 11 to continue release 12 afterwards
Duodenum 12 support.(duodenal stent after release can hold support limited cap 12 and pass through, and also be available for outer tube 12 to pass through.) when 12 fingers
Intestinal ceca frame thoroughly after release, is inflated to annular air-pocket 2；Outer tube 12 is penetrated into duodenal stent (as schemed from annular air-pocket 2 afterwards
Shown in 13), when outer tube 12 penetrates annular air-pocket 2, air injection pipe 7 is placed in the breach of outer tube 12, and outer tube 12 is during penetrating
Air injection pipe 7 is cut off；Finally the duodenal stent device for posting is removed, that is, completes the implantation of duodenal stent.
Claims (10)
- A kind of 1. duodenal stent, it is characterised in that：It includes tubular network (1) and located at network (1) The annular air-pocket (2) of termination；The outer circumference diameter of the annular air-pocket (2) is more than the external diameter of network (1) termination；The annular Air bag (2) is provided with the gas injection port with sealing structure.
- 2. duodenal stent according to claim 1, it is characterised in that：It also includes covering in network (1) outside Overlay film (3) on wall.
- 3. duodenal stent according to claim 1, it is characterised in that：The sealing structure is check valve (4).
- 4. duodenal stent according to claim 3, it is characterised in that：It also includes the note being connected with check valve (4) Tracheae (7).
- 5. duodenal stent according to claim 1, it is characterised in that：The sealing structure is the sealing of quality of rubber materials Fill in (9).
- 6. duodenal stent according to claim 1, it is characterised in that：The mouth end of the network (1) is in mushroom Head shapes, the annular air-pocket (2) are located at the mouth end of network (1).
- 7. duodenal stent according to claim 1, it is characterised in that：Mouth end, the anus end of the network (1) are equal In mushroom-head shape, the annular air-pocket (2) is located at the mouth end of network (1).
- 8. according to the duodenal stent described in claim 1-7 any one, it is characterised in that：It is also netted including being located on The closing in line (8) at support (1) mouth end.
- A kind of 9. device for posting of duodenal stent according to claim 1-8, it is characterised in that：It is included from inside to outside Core pipe (10), middle pipe (11) and the outer tube (12) that is arranged and can slide relatively successively；The distal end of the outer tube (12) is provided with and opened The breach (16) of sword.
- 10. duodenal stent device for posting according to claim 9, it is characterised in that：Core pipe (10) distal end connects There is the support limited cap (13) positioned at outer tube (12) distal exterior.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488533 | 2016-12-30 | ||
| CN201621488533X | 2016-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206995365U true CN206995365U (en) | 2018-02-13 |
Family
ID=58859217
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061000.6A Pending CN106667620A (en) | 2016-12-30 | 2017-01-25 | Duodenum stent and duodenum stent implantation device |
| CN201720104850.5U Active CN206995365U (en) | 2016-12-30 | 2017-01-25 | Duodenal stent and duodenal stent device for posting |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061000.6A Pending CN106667620A (en) | 2016-12-30 | 2017-01-25 | Duodenum stent and duodenum stent implantation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106667620A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107080609A (en) * | 2017-05-31 | 2017-08-22 | 苏州大学 | A kind of gatherer and its application method suitable for intestinal stent |
| CN110227207A (en) * | 2019-07-16 | 2019-09-13 | 南京微创医学科技股份有限公司 | A kind of medical drainage bracket |
| CN110301994B (en) * | 2019-08-07 | 2024-01-26 | 南京鼓楼医院 | Manual blind flap device |
| CN111228003B (en) * | 2020-01-13 | 2022-12-09 | 李功俊 | Nickel-titanium alloy stent for treating megacolon disease |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305449C (en) * | 2003-12-25 | 2007-03-21 | 傅剑华 | Improved medical rack in cavity |
| US9179921B1 (en) * | 2011-10-21 | 2015-11-10 | Michael Christopher Morris | Inflatable balloon stent |
| US20150094744A1 (en) * | 2012-05-25 | 2015-04-02 | H. Lee Moffitt Cancer Center And Research Institute, Inc. | Vascular anastomosis stent |
| EP3427766B1 (en) * | 2013-08-08 | 2020-09-23 | Boston Scientific Scimed, Inc. | Dissolvable or degradable adhesive polymer to prevent stent migration |
| CN204106266U (en) * | 2014-10-17 | 2015-01-21 | 黄景陶 | The stent for human body lumens inserter that can halfway reclaim |
| CN205814442U (en) * | 2016-06-03 | 2016-12-21 | 丰帆 | A kind of holder device treating gastric cancer and postoperative rectal cancer fistula of operative incision |
-
2017
- 2017-01-25 CN CN201710061000.6A patent/CN106667620A/en active Pending
- 2017-01-25 CN CN201720104850.5U patent/CN206995365U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106667620A (en) | 2017-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190830 Address after: 350025 Gulou District, Fujian, Fuzhou West Second Ring Road, No. 156 Patentee after: Ninth Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army Address before: 350025 Gulou District, Fujian, Fuzhou West Second Ring Road, No. 156 Co-patentee before: Wang Wen Patentee before: Liu Jianqiang |
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| TR01 | Transfer of patent right |