CN107007378A - One kind can injection anti-displacement esophageal stents - Google Patents
One kind can injection anti-displacement esophageal stents Download PDFInfo
- Publication number
- CN107007378A CN107007378A CN201710433259.9A CN201710433259A CN107007378A CN 107007378 A CN107007378 A CN 107007378A CN 201710433259 A CN201710433259 A CN 201710433259A CN 107007378 A CN107007378 A CN 107007378A
- Authority
- CN
- China
- Prior art keywords
- esophageal stents
- film
- medicine
- displacement
- injection
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 title claims abstract description 53
- 239000007924 injection Substances 0.000 title claims abstract description 53
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 38
- 210000003238 esophagus Anatomy 0.000 claims abstract description 36
- 239000003814 drug Substances 0.000 claims abstract description 33
- 229940079593 drug Drugs 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 229920006254 polymer film Polymers 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 4
- 210000000214 mouth Anatomy 0.000 description 4
- 230000003902 lesion Effects 0.000 description 3
- 210000001331 nose Anatomy 0.000 description 3
- 208000007217 Esophageal Stenosis Diseases 0.000 description 2
- 206010030194 Oesophageal stenosis Diseases 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 210000000624 ear auricle Anatomy 0.000 description 2
- 208000028299 esophageal disease Diseases 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003928 nasal cavity Anatomy 0.000 description 2
- 239000003270 steroid hormone Substances 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 206010058109 Hangnail Diseases 0.000 description 1
- 229930192392 Mitomycin Natural products 0.000 description 1
- NWIBSHFKIJFRCO-WUDYKRTCSA-N Mytomycin Chemical compound C1N2C(C(C(C)=C(N)C3=O)=O)=C3[C@@H](COC(N)=O)[C@@]2(OC)[C@@H]2[C@H]1N2 NWIBSHFKIJFRCO-WUDYKRTCSA-N 0.000 description 1
- 208000002151 Pleural effusion Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000012953 diaphragmitis Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229960004857 mitomycin Drugs 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 230000003637 steroidlike Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 210000004876 tela submucosa Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- 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
- A61F2002/044—Oesophagi or esophagi or gullets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
- A61M2210/105—Oesophagus
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Prostheses (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Gastroenterology & Hepatology (AREA)
- Transplantation (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Vascular Medicine (AREA)
Abstract
Can injection anti-displacement esophageal stents the present invention relates to one kind, can injection anti-displacement esophageal stents, it is described can injection anti-displacement esophageal stents include esophageal stents body and inner lining film, it is described can injection anti-displacement esophageal stents also include be used for into esophagus injection of medicine medicine-filling device；The esophageal stents body includes some carrier units, and the carrier unit is connected by the shirt rim film of suture and closure；The inner lining film is located in the esophageal stents body, and ora terminalis extends radially outwardly to form an annular sheet films under the inner lining film, has an annular drug storage chamber between inner lining film and the esophagus inwall；The medicine-filling device is connected with inner lining film and esophageal stents body upper edge respectively, and is connected with the drug storage chamber.The present invention can injection anti-displacement esophageal stents efficiently solve the problem of esophageal stents are shifted, can also be by medicine-filling device directly to esophagus diseased region injection of medicine.
Description
Technical field
The present invention relates to technical field of medical instruments, and in particular to one kind can injection anti-displacement esophageal stents.
Background technology
Current esophageal stents are esophagus is good, in malignant stricture using relatively wide, for esophagus benign stricture, now with
The popularization of esophagus scope submucosa decollement and endoscopic inferior mucosa resection, postoperative benign stricture rate increases with extent of disease
Raise greatly, overlay film frame is to prevent one of particularly important method of narrow generation, but esophageal stents displacement is most common
Complication, esophageal stents, which are displaced to colon, can cause enterobrosis, often need progress surgical operation to be drawn off, this is largely
On have impact on using and popularizing for esophageal stents.Some anti-displacement esophageal stents are also occurred in that in the market, these esophagus branch
Frame to reach the effect for preventing stent migration, for example, exists mainly by being improved to support shape or support technique for fixing
Mount proximal end designs shell fragment, makes shell fragment be fixed on esophageal wall to prevent esophageal stents to be shifted over, or is set in esophageal stents
The hook of multiple hangnail shapes, esophageal wall is tangled using hook, to prevent esophageal stents to be shifted over, but in clinical practice
In, it is found that these esophageal stents can not avoid esophageal stents from shifting completely, the sense of discomfort of patient can be also greatly increased on the contrary, this
It is outer if necessary to esophagus diseased region injection of medicine when, often need endoscopic hemostasis, not only complication is more, treatment cost is also very
It is high.
The content of the invention
It is an object of the invention to provide one kind can injection anti-displacement esophageal stents, deposited for solving existing esophageal stents
The problem of can not avoid esophageal stents displacement and not possess to esophagus diseased region injection function.
To achieve the above object, the present invention provide one kind can injection anti-displacement esophageal stents, it is described can injection anti-displacement food
Road support include esophageal stents body and inner lining film, it is described can injection anti-displacement esophageal stents also include be used for into esophagus inject
The medicine-filling device of medicine；The esophageal stents body includes some carrier units, and the carrier unit passes through suture and closure
The connection of shirt rim film；The inner lining film is located in the esophageal stents body, and ora terminalis extends radially outwardly shape under the inner lining film
Into an annular sheet films, there is an annular drug storage chamber between the inner lining film and the esophageal stents body；It is described
Medicine-filling device is connected with inner lining film and esophageal stents body upper edge respectively, and is connected with the drug storage chamber.
It is preferred that, the upper edge of the esophageal stents body and lower ora terminalis are respectively connected with the shirt rim film, are connected to described
The shirt rim film of ora terminalis is connected with the sheet films under esophageal stents body.
It is preferred that, the medicine-filling device includes medicine-pouring pipe, conducting element and guiding tube, and the conducting element is one section of ring pipe,
Conducting element upper edge respectively with inner lining film, the shirt rim film for being connected to esophageal stents body upper edge are connected, the water conservancy diversion
Part is connected by the small opening being arranged on conducting element with the drug storage chamber, and one end of the medicine-pouring pipe is connected simultaneously with the conducting element
Communicate therewith, the other end of the medicine-pouring pipe is connected with the guiding tube, the diameter of the guiding tube is less than the medicine-pouring pipe
Diameter.
It is preferred that, it is provided with scale on the medicine-pouring pipe.
It is preferred that, the carrier unit is that some V-shape wires are sequentially connected the wire netting for constituting tubulose.
It is preferred that, the wire surface wraps up one layer of medical macromolecular materials film.
It is preferred that, the material of the carrier unit is stainless steel or titanium alloy.
It is preferred that, the inner lining film and shirt rim film are medical high polymer film.
It is preferred that, the outer surface of the inner lining film is 2-6mm apart from the distance of the esophageal stents body.
It is preferred that, some drug-filtering holes, the aperture of the drug-filtering hole are provided with the shirt rim film of the carrier unit junction
For 1-3mm.
The invention has the advantages that：The present invention can injection anti-displacement esophageal stents by esophageal stents to esophagus lesion
Position is supported, and esophageal stents are drawn by medicine-filling device, prevents esophageal stents in esophagus internal shift, while can also pass through
Medicine-filling device is treated to esophagus diseased region injection of medicine to it.The present invention can injection anti-displacement esophageal stents effectively solve
The problem of esophageal stents of having determined are shifted, can also be by medicine-filling device directly to esophagus diseased region injection of medicine.
Brief description of the drawings
Fig. 1 for the present invention can injection anti-displacement esophageal stents main structure diagram.
Fig. 2 be Fig. 1 in can injection anti-displacement esophageal stents be located at a at top view cross section structural representation.
Fig. 3 be Fig. 1 in can injection anti-displacement esophageal stents be located at b at top view cross section structural representation.
Fig. 4 be Fig. 1 in can injection anti-displacement esophageal stents side elevational cross-section structural representation.
Fig. 5 is the side structure schematic view of esophageal stents body of the present invention.
Fig. 6 is the side structure schematic view of inner lining film of the present invention.
Fig. 7 is the side structure schematic view of shirt rim film of the present invention.
Fig. 8 is the structural representation of medicine-filling device of the present invention.
Fig. 9 is the structural representation of Fig. 8 partial enlargement medicine-pouring pipe.
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Embodiment 1
As shown in figs. 1 and 6, this can injection anti-displacement esophageal stents include esophageal stents body 1, inner lining film 2 and injection dress
Put 3.The present invention can injection anti-displacement esophageal stents esophagus diseased region is supported by esophageal stents, filled by injection
Put 3 to draw esophageal stents, prevent esophageal stents in esophagus internal shift, while can also be by medicine-filling device 3 to esophagus lesion
Position injection of medicine is treated to it.The present invention can injection anti-displacement esophageal stents efficiently solve esophageal stents displacement ask
Topic, can also be by medicine-filling device 3 directly to esophagus diseased region injection of medicine.
As shown in Fig. 2,3,4,5,7, esophageal stents body 1 includes four and connected by the connection of suture 12 and shirt rim film 13
Carrier unit 11, certainly, the quantity of carrier unit 11 can set three, five or more, with specific reference to esophageal disease
The length for becoming position is determined, is typically only needed to grow 1-2cm than esophagus diseased region and just may be used.Four carrier units 11 connect into one
The tubular metal net of individual lengthwise, using the connecting bracket unit 11 of suture 12, allows each carrier unit 11 phase in the horizontal
There is certain amplitude of fluctuation to adjacent carrier unit 11, allow esophageal stents body 1 to bend preferably to match
The shape of esophagus, reduces the sense of discomfort of patient.Carrier unit 11 is the gold for the tubulose that some V-shape wires are sequentially connected composition
Belong to net 15, V-shape wire can ensure that carrier unit 11 diametrically can shrink and strut, when carrier unit 11 shrinks, V
The design of font can make the diameter after the contraction of carrier unit 11 smaller, facilitate the installation and taking-up of esophageal stents, in order to reduce gold
Category silk causes damage to patient's esophageal wall, and wire surface wraps up one layer of medical high polymer film.The material selection of carrier unit 11
For the material with good biocompatibility and mechanical characteristic, such as stainless steel or titanium alloy, in the present embodiment, carrier unit
11 material is preferably titanium alloy.Shirt rim film 13 is the medical high polymer film of thinner thickness, and shirt rim film 13 is the circular membrane of closure,
By the way that shirt rim film 13 to be connected to the junction of two carrier units 11, wire tip can be effectively reduced esophageal wall is caused to damage
Wound, reduces the sense of discomfort of patient.Likewise, the wire tip pair in order to reduce the upper edge of esophageal stents body 1 and lower ora terminalis
Esophageal wall causes damage, reduces the sense of discomfort of patient.The upper edge of esophageal stents body 1 and lower ora terminalis are also connected with shirt rim film
13。
As shown in fig. 6, inner lining film 2 is located in esophageal stents body 1, inner lining film 2 is the tubular structure that polymeric membrane is made,
The external diameter of inner lining film 2 is less than the internal diameter of esophageal stents body 1, and the outer surface of inner lining film 2 is apart from the distance of esophageal stents body 1
2-6mm, forms an annular drug storage chamber 14,2 times ora terminalis of inner lining film are radially outward between inner lining film 2 and esophageal stents body 1
Extension forms an annular sheet films 21, is connected by the shirt rim film 13 of 1 time ora terminalis of sheet films 21 and esophageal stents body, can
Effectively prevent the decoction in drug storage chamber 14 from being spilt from the bottom of drug storage chamber 14, the decoction injected by medicine-filling device 3 enters drug storage chamber
14 are stored, and decoction is treated by the mesh of wire netting 15 to esophagus diseased region.
As shown in FIG. 8 and 9, medicine-filling device 3 is used to inject decoction to drug storage chamber 14 and esophageal stents body 1 is drawn
Prevent it in esophagus internal shift.Medicine-filling device 3 includes medicine-pouring pipe 31, conducting element 32 and guiding tube 34, medicine-pouring pipe 31 and conducting element
32, which are similarly medical macromolecular materials, is made, and conducting element 32 is one section of ring pipe, the upper end of conducting element 32 respectively with inner lining film 2
Edge, the shirt rim film 13 for being connected to the upper edge of esophageal stents body 1 are connected, and conducting element 32 closes the upper port of drug storage chamber 14, leads
Stream part 32 in inner passage connected by the small opening 33 being arranged on conducting element 32 with drug storage chamber 14, one end of medicine-pouring pipe 31 and
Conducting element 32 is connected and communicated therewith, and the other end of medicine-pouring pipe 31 is connected with guiding tube 34, and guiding tube 34 is that one end diameter is thinner
Tubular structure, the diameter of guiding tube 34 is less than the diameter of medicine-pouring pipe 31, by setting guiding tube 34 to make medicine-pouring pipe 31 from mouth and nose
More facilitate during conversion.Medicine-pouring pipe 31 is penetrated after nasal cavity and passed from nostril, and guiding tube 34 is cut, then by medicine-pouring pipe 31 and medicine
Syringe is connected, and decoction just can be injected into medicine-pouring pipe 31, and decoction is flowed into conducting element 32 by medicine-pouring pipe 31, passes through conducting element
Small opening 33 on 32 is flowed into drug storage chamber 14, for benign stricture, due to the suppression collagen deposition clinically approved at present
The medicine for causing lemostenosis is that steroidal injection is likely to result in oesophagus and worn under steroid hormone and mitomycin, but scope
The complication such as hole, pleural effusion, vertical diaphragmatitis, therefore, by medicine-filling device 3, into esophagus, injection can be prevented effectively from because of scope bet
Penetrate steroid hormone position or the depth grasps bad caused complication.Medicine-pouring pipe 31 is fixed on patient's ear-lobe by injection after finishing
Or nose, esophageal stents are drawn by medicine-pouring pipe 31, effectively esophageal stents can be prevented to be shifted in esophagus.
Further, preferably contacted with esophagus diseased region in order that obtaining medicine, some junctions of carrier unit 11
Some drug-filtering holes 16 are provided with shirt rim film 13, the aperture of drug-filtering hole 16 is 1-3mm, when esophageal stents body 1 is strutted, support
The shirt rim film 13 of the junction of unit 11 is tightly affixed with esophageal wall, therefore this part esophageal wall is can not to be contacted with medicine,
By setting the decoction in drug-filtering hole 16, drug storage chamber 14 to make by preferably being contacted with esophagus diseased region after drug-filtering hole 16
Obtain esophageal stricture portion and obtain complete treatment.
Further, in order to preferably observe whether esophageal stents are shifted in esophagus, it is provided with medicine-pouring pipe 31
Scale 35, medicine-pouring pipe 31 records the scale value at nostril, if the scale value at nostril changes, doctor by after fixation
It can learn that esophageal stents are shifted in the very first time, the position of esophageal stents can be readjusted by pulling medicine-pouring pipe 31.Pass
The esophageal stents of system are in order to prevent esophageal stents to be shifted in esophagus, and the making length of general esophageal stents can compare esophageal disease
Become the long 4-6cm of length at position, but esophageal stents are longer, the sense of discomfort for bringing patient is stronger, and patient is over the course for the treatment of
It is more painful, and the esophageal stents of the present invention are drawn by medicine-pouring pipe 31 to esophageal stents, prevent that it is shifted over, even if food
Road support is shifted over, and can also can accurately be adjusted again by the change of the scale value on medicine-pouring pipe 31 by pulling medicine-pouring pipe 31
The position of whole esophageal stents, therefore, the length of esophageal stents only need to than esophagus diseased region the long 1-2cm of length just can, both subtracted
Small patient's sense of discomfort, saves the material for making esophageal stents, advantageously reduces the production cost of esophageal stents again.
Operation principle：In use, the esophageal stents in contraction state are passed through into oral cavity by esophageal stents conveying device
Esophagus diseased region is sent into, medicine-pouring pipe 31 sets graduated one end to stay in outside oral cavity, reach esophagus branch after esophagus diseased region
Frame can be strutted automatically, and esophageal stents are tightly affixed with esophageal wall and supported, using guiding tube 34 by medicine-pouring pipe 31 from mouth
Intracavitary is penetrated after nasal cavity and passed from nostril, cuts after guiding tube 34, medicine-pouring pipe 31 is connected with cartridge syringe, just can be to injection
Injection decoction in pipe 31, decoction is flowed into conducting element 32 by medicine-pouring pipe 31, and drug storage is flowed into by the small opening 33 on conducting element 32
In chamber 14, then contacted with the esophageal wall of esophagus diseased region to it by the drug-filtering hole 16 on the mesh of wire netting 15 and shirt rim film 13
Treated.Medicine-pouring pipe 31 is fixed on patient's ear-lobe or nose by injection after finishing, and regularly checks the quarter of medicine-pouring pipe 31 at nostril
Angle value, if the scale value at nostril changes, the position of esophageal stents, this hair can be readjusted by pulling medicine-pouring pipe 31
It is bright can injection anti-displacement esophageal stents esophageal stents are drawn by medicine-pouring pipe 31, can effectively prevent esophageal stents in food
It is shifted in road, efficiently solves the problem of esophageal stents are shifted, can also be by medicine-filling device 3 directly to esophagus lesion
Position injection of medicine, reaches the purpose that medicine is treated to esophageal stricture portion.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be modified or improved, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. one kind can injection anti-displacement esophageal stents, it is described can injection anti-displacement esophageal stents include esophageal stents body and liner
Film, it is characterised in that it is described can injection anti-displacement esophageal stents also include be used for into esophagus injection of medicine medicine-filling device；Institute
Stating esophageal stents body includes some carrier units, and the carrier unit is connected by the shirt rim film of suture and closure；It is described
Inner lining film is located in the esophageal stents body, and ora terminalis extends radially outwardly to form an annular egative film under the inner lining film
There is an annular drug storage chamber between film, inner lining film and the esophagus inwall；The medicine-filling device respectively with inner lining film and food
Road rack body upper edge connection, and connected with the drug storage chamber.
2. according to claim 1 can injection anti-displacement esophageal stents, it is characterised in that the esophageal stents body it is upper
Ora terminalis and lower ora terminalis are respectively connected with the shirt rim film, are connected to the shirt rim film of ora terminalis and the egative film under the esophageal stents body
Film is connected.
3. according to claim 2 can injection anti-displacement esophageal stents, it is characterised in that the medicine-filling device includes injection
Pipe, conducting element and guiding tube, the conducting element is one section of ring pipe, conducting element upper edge respectively with inner lining film, is connected
In the shirt rim film connection of esophageal stents body upper edge, the conducting element passes through the small opening being arranged on conducting element and the drug storage
Chamber is connected, and one end of the medicine-pouring pipe is connected and communicated therewith with the conducting element, and the other end of the medicine-pouring pipe draws with described
Conduit is connected, and the diameter of the guiding tube is less than the diameter of the medicine-pouring pipe.
4. according to claim 3 can injection anti-displacement esophageal stents, it is characterised in that quarter is provided with the medicine-pouring pipe
Degree.
5. according to claim 4 can injection anti-displacement esophageal stents, it is characterised in that the carrier unit is some V
Font wire is sequentially connected the wire netting for constituting tubulose.
6. according to claim 5 can injection anti-displacement esophageal stents, it is characterised in that the wire surface parcel one
Layer medical macromolecular materials film.
7. according to claim 5 can injection anti-displacement esophageal stents, it is characterised in that the material of the carrier unit is
Stainless steel or titanium alloy.
8. according to claim 5 can injection anti-displacement esophageal stents, it is characterised in that the inner lining film and shirt rim film are
Medical high polymer film.
9. according to claim 5 can injection anti-displacement esophageal stents, it is characterised in that the outer surface of the inner lining film away from
From with a distance from the esophageal stents body be 2-6mm.
10. according to claim 5 can injection anti-displacement esophageal stents, it is characterised in that the carrier unit junction
Shirt rim film on be provided with some drug-filtering holes, the aperture of the drug-filtering hole is 1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433259.9A CN107007378B (en) | 2017-06-09 | 2017-06-09 | One kind can injection anti-displacement esophageal stents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433259.9A CN107007378B (en) | 2017-06-09 | 2017-06-09 | One kind can injection anti-displacement esophageal stents |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107007378A true CN107007378A (en) | 2017-08-04 |
| CN107007378B CN107007378B (en) | 2018-08-03 |
Family
ID=59452742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710433259.9A Active CN107007378B (en) | 2017-06-09 | 2017-06-09 | One kind can injection anti-displacement esophageal stents |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107007378B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420576A (en) * | 2018-04-02 | 2018-08-21 | 杨敏 | A kind of compartment is anti-skidding and can be with the intravascular stent of chronic drug |
| CN108992219A (en) * | 2018-08-25 | 2018-12-14 | 山东瑞安泰医疗技术有限公司 | A kind of overlay film esophageal stents of anti-displacement and preparation method thereof |
| CN111449803B (en) * | 2020-04-16 | 2021-06-01 | 清华大学 | Drug-loaded artificial rectum for transplantation and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1961849A (en) * | 2006-12-11 | 2007-05-16 | 中国人民解放军第三军医大学第一附属医院 | Medical intracanal scaffold |
| US20110319980A1 (en) * | 2010-06-28 | 2011-12-29 | Michael Ryan | Covered stent |
| CN202236812U (en) * | 2011-07-13 | 2012-05-30 | 郑晶 | Backflow measurement stomach tube |
| CN203226926U (en) * | 2013-04-19 | 2013-10-09 | 四川澄观节能环保科技有限公司 | Medical stent applicable to esophageal stenosis or blockage |
| CN103876868A (en) * | 2014-04-17 | 2014-06-25 | 重庆医科大学附属儿童医院 | Expandable esophageal stent |
| CN203763302U (en) * | 2014-04-17 | 2014-08-13 | 重庆医科大学附属儿童医院 | Suspended esophageal stent |
| CN204364178U (en) * | 2014-12-31 | 2015-06-03 | 重庆医科大学附属儿童医院 | Permeable type sacculus Esophageal Stent |
-
2017
- 2017-06-09 CN CN201710433259.9A patent/CN107007378B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1961849A (en) * | 2006-12-11 | 2007-05-16 | 中国人民解放军第三军医大学第一附属医院 | Medical intracanal scaffold |
| US20110319980A1 (en) * | 2010-06-28 | 2011-12-29 | Michael Ryan | Covered stent |
| CN202236812U (en) * | 2011-07-13 | 2012-05-30 | 郑晶 | Backflow measurement stomach tube |
| CN203226926U (en) * | 2013-04-19 | 2013-10-09 | 四川澄观节能环保科技有限公司 | Medical stent applicable to esophageal stenosis or blockage |
| CN103876868A (en) * | 2014-04-17 | 2014-06-25 | 重庆医科大学附属儿童医院 | Expandable esophageal stent |
| CN203763302U (en) * | 2014-04-17 | 2014-08-13 | 重庆医科大学附属儿童医院 | Suspended esophageal stent |
| CN204364178U (en) * | 2014-12-31 | 2015-06-03 | 重庆医科大学附属儿童医院 | Permeable type sacculus Esophageal Stent |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420576A (en) * | 2018-04-02 | 2018-08-21 | 杨敏 | A kind of compartment is anti-skidding and can be with the intravascular stent of chronic drug |
| CN108420576B (en) * | 2018-04-02 | 2019-12-06 | 青岛市即墨区人民医院 | Interval anti-skidding blood vessel support capable of discharging medicine chronically |
| CN108992219A (en) * | 2018-08-25 | 2018-12-14 | 山东瑞安泰医疗技术有限公司 | A kind of overlay film esophageal stents of anti-displacement and preparation method thereof |
| CN111449803B (en) * | 2020-04-16 | 2021-06-01 | 清华大学 | Drug-loaded artificial rectum for transplantation and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107007378B (en) | 2018-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105054985B (en) | A kind of improved occluder for left auricle | |
| CN104958087B (en) | A kind of occluder for left auricle | |
| CN102202606B (en) | Introducer for deploying a stent graft in a curved lumen and stent graft therefor | |
| CN107007378B (en) | One kind can injection anti-displacement esophageal stents | |
| CN106580518B (en) | A kind of combined type endovascular stent for abdominal aorta system and its application method | |
| CN104287870B (en) | Intraluminal stent | |
| CN107405153A (en) | For closing the device of auricle | |
| CN100553593C (en) | Collateral covered graft-stent | |
| CN103876860B (en) | With the aorta tectorial membrane stent of chimney support supporting pipeline | |
| WO2013097759A1 (en) | Woven stent | |
| CN107441570A (en) | Dispoable medical drainage tube | |
| CN208229020U (en) | A kind of branch type film-coated vascular bracket | |
| CN205885483U (en) | A support that is used for originated portion of shutoff artery branch aneurysm | |
| CN202313544U (en) | Aorta interlayer crevasse plugging umbrella | |
| CN108143447A (en) | A kind of dissection of aorta distal end cut plugging device | |
| CN104095696B (en) | For the stent in esophagus that ER and anastomotic leakage block | |
| WO2022142800A1 (en) | Covered stent system | |
| CN107397610A (en) | Overlay film frame | |
| CN208876671U (en) | Novel cerebral thrombosis withdrawing device | |
| CN219814416U (en) | Distal embolic protection device | |
| CN207928399U (en) | One kind can injection anti-displacement esophageal stents | |
| CN109984861A (en) | It can be used for the overlay film frame of abdominal aorta disease interventional therapy | |
| CN207604981U (en) | A kind of net barrier arterial branch initial part aneurysm holder | |
| CN106420127B (en) | One kind complying with esophageal peristalsis and is bonded Esophageal Stent entirely | |
| CN206473354U (en) | A kind of special oval plugging device of Cardiac catheterization perivalvular leakage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240126 Address after: 100039 Fuxing Road 28, Beijing, Haidian District Patentee after: The first medical center of PLA General Hospital Country or region after: China Address before: 100853 Fuxing Road 28, Beijing, Haidian District Patentee before: LingHu Enqiang Country or region before: China Patentee before: Tang Dan |