CN107212954A - Esophageal Stent component and foreign body in esophagus auxiliary extractor - Google Patents
Esophageal Stent component and foreign body in esophagus auxiliary extractor Download PDFInfo
- Publication number
- CN107212954A CN107212954A CN201710593261.2A CN201710593261A CN107212954A CN 107212954 A CN107212954 A CN 107212954A CN 201710593261 A CN201710593261 A CN 201710593261A CN 107212954 A CN107212954 A CN 107212954A
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- China
- Prior art keywords
- expanding stent
- esophageal
- stent
- component
- foreign body
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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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
-
- 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
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
-
- 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
- A61F2002/9528—Instruments specially adapted for placement or removal of stents or stent-grafts for retrieval of stents
-
- 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
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
- A61F2002/9665—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod with additional retaining means
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
Abstract
The present invention relates to Esophageal Stent component and foreign body in esophagus auxiliary extractor, belong to medical instruments field, it includes support release and Esophageal Stent component, support release includes inner and outer tubes, and outer tube sleeve is located at the outside of inner tube, and inner tube includes labeling section, Esophageal Stent component is bundled in inner tube by draught line, and pulling draught line to discharge Esophageal Stent component, one end of draught line passes inner tube, and labeling section is located between the first expanding stent and the second expanding stent；Above-mentioned Esophageal Stent component includes the first expanding stent, the second expanding stent and connecting line, first expanding stent and the second expanding stent are the tubular bracket of both ends open, one end of connecting line connects one end of the first expanding stent, the other end connects one end of the second expanding stent, one end connecting lead wire of second expanding stent away from connecting line；The Esophageal Stent component and foreign body in esophagus auxiliary extractor can help doctor quickly and accurately to position, take out foreign body in esophagus, not cause secondary injury.
Description
Technical field
The present invention relates to medical instruments field, extractor is aided in particular to Esophageal Stent component and foreign body in esophagus.
Background technology
Foreign body in esophagus is one of common acute disease of upper digestive tract, especially the sharp foreign matter in two ends (such as chicken bone, duck bone, thick fish
Thorn etc.) be pierced into and incarceration in mucous membrane of esophagus oedema, erosion, esophageal wall spasm in esophageal wall, can be caused, be easily caused esophagorrhagia,
Perforation, or even adjacent big blood vessel is damaged, threat to life, such situation is not clinical rarely seen.At present due to a lack of safely and effectively
Instrument auxiliary takes out foreign matter, blindly dangerous big to the method for side pressurized clamp taking foreign body, easily aggravates damage.
Existing foreign body in esophagus aids in extractor, is unfavorable for doctor's positioning foreign matter, is also unfavorable for taking out the oesophagus after foreign matter
Treatment and the taking-up of servicing unit.
The content of the invention
It is an object of the invention to provide a kind of Esophageal Stent component, the Esophageal Stent component can be positioned in oesophagus,
And between the supports that the foreign matter in oesophagus is enclosed in two interconnections, by two supports by the oesophagus portion of incarceration foreign matter
The two ends expansion of position, the foreign matter in oesophagus is exposed to greatest extent or foreign matter is dissociated, facilitate doctor by patient's oesophagus
Foreign body；, can be by because two supports of the Esophageal Stent component are to be connected with each other, and then when taking out patient's oesophagus
Two ends support takes out in the lump, treatment difficulty of the reduction doctor when taking out patient's foreign body in esophagus.
Another object of the present invention is to provide a kind of foreign body in esophagus auxiliary extractor, it can be different by the oesophagus through seal wire
Thing auxiliary extractor imports oesophagus, and the Esophageal Stent component on the support release of foreign body in esophagus auxiliary extractor is discharged
In patient's Yu oesophagus, and position of the Esophageal Stent component in patient's oesophagus is adjusted, Esophageal Stent is positioned over oesophagus
In position it is more accurate, the enteron aisle at oesophagus incarceration foreign matter two ends is strutted using the Esophageal Stent component, will be different in oesophagus
Thing exposes or foreign matter is dissociated to greatest extent, facilitates doctor by the foreign body in patient's oesophagus；Due to the Esophageal Stent group
Two supports of part are to be connected with each other, and then when taking out patient's oesophagus, can be taken out two ends support in the lump, reduce doctor
Treatment difficulty when taking out patient's foreign body in esophagus.
What embodiments of the invention were realized in：
A kind of Esophageal Stent component, it includes the first expanding stent, the second expanding stent and connecting line, the first expanding stent
It is the tubular bracket of both ends open with the second expanding stent, one end of connecting line connects one end of the first expanding stent, another
One end of the second expanding stent of end connection, one end connecting lead wire of second expanding stent away from connecting line.
In preferred embodiments of the present invention, above-mentioned second expanding stent includes first port, pipe portion and second port, pipe
The two ends in portion connect first port and second port respectively, and the diameter of first port is more than the diameter of pipe portion.
In preferred embodiments of the present invention, above-mentioned lead is connected to first port, and first port can leading in lead
Draw lower contraction.
In preferred embodiments of the present invention, above-mentioned connecting line extends to the first expanding stent away from the second expanding stent
Openend, and be connected with openend.
A kind of foreign body in esophagus aids in extractor, and it includes support release and above-mentioned Esophageal Stent component, support release
Including inner and outer tubes, outer tube sleeve is located at the outside of inner tube, and Esophageal Stent component is bundled in inner tube by draught line, and pulls traction
Line can discharge Esophageal Stent component, and one end of draught line passes inner tube, and inner tube includes labeling section, and labeling section is arranged at the first expansion
Between support and the second expanding stent.
In preferred embodiments of the present invention, above-mentioned labeling section is provided with developing line.
In preferred embodiments of the present invention, above-mentioned draught line passes one end connecting line pendant of inner tube.
In preferred embodiments of the present invention, one end connection outer tube of above-mentioned draught line.
In preferred embodiments of the present invention, one end of the close Esophageal Stent component of above-mentioned inner tube is connected with soft head.
In preferred embodiments of the present invention, above-mentioned inner tube also includes the first expansion bracket assemblies and the second expanding stent group
Part, the first expanding stent is sheathed on the first expanding stent placement section, and the second expanding stent is sheathed on the second expanding stent placement section,
Side of the second expanding stent placement section away from the first expanding stent placement section is provided with locating ring.
The embodiment of the present invention Esophageal Stent component and foreign body in esophagus auxiliary extractor beneficial effect be：The foreign body in esophagus
Auxiliary extractor can be admitted in sufferer esophageal lumen using seal wire, and the support release of extractor is aided in using the foreign body in esophagus
By the bracket component being arranged on support release release, and position of the support in esophageal lumen can be carried out corresponding
Adjustment, makes positioning of the support in esophageal lumen more accurate, and the two ends of incarceration foreign matter part are supportted by support in esophageal lumen
Open, the foreign matter in oesophagus is exposed to greatest extent or foreign matter is dissociated, facilitates doctor by the foreign body in patient's oesophagus, and
Ensure, in the foreign matter in taking out esophageal lumen, secondary injury will not be caused to esophageal wall；Meanwhile, by the Esophageal Stent component application
It after the foreign matter in sufferer esophageal lumen is extractd, can delay to take out, treat that the esophageal lumen damage of sufferer is able to after treatment, then should
Esophageal Stent component takes out out of sufferer esophageal lumen in the lump.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 aids in the structural representation of extractor for the foreign body in esophagus of the embodiment of the present invention；
Fig. 2 is the structural representation of the support release of the embodiment of the present invention；
Fig. 3 is the structural representation of the inner tube of the embodiment of the present invention；
Fig. 4 is the structural representation of the Esophageal Stent component of the embodiment of the present invention；
The Esophageal Stent component of Fig. 5 embodiment of the present invention is arranged at structural representation during inner tube.
Icon：100- foreign body in esophagus aids in extractor；200- support releases；210- inner tubes；220- outer tubes；211- first
Expanding stent placement section；212- the second expanding stent placement sections；213- labeling sections；214- developing lines；The soft heads of 215-；300- oesophaguses
Bracket component；The expanding stents of 310- first；The expanding stents of 320- second；321- first ports；322- second ports；323- is managed
Portion；330- connecting lines；340- leads；230- draught lines；231- lines fall；233- through holes；216- locating rings.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the embodiment of the present invention, it is necessary to explanation, term " top ", " lower section ", etc. the orientation of instruction or
Position relationship be based on orientation shown in the drawings or position relationship, or the orientation usually put when using of the invention product or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, art
Language " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
In the description of the embodiment of the present invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term
" setting ", " connection " etc. should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Fig. 1 aids in the structural representation of extractor 100 for the foreign body in esophagus of the embodiment of the present invention.It refer to Fig. 1, this implementation
Example provides a kind of foreign body in esophagus auxiliary extractor 100, and it includes support release 200 and Esophageal Stent component 300, Esophageal Stent
Component 300 is detachably arranged in support release 200.
Above-mentioned support release 200 can be that common push type support inserting device or cluster support are inserted
It is preferred to use cluster support inserting device in device, the present embodiment, cluster support inserting device is simple to operate, accurate, can be effective
Improve the success rate that support is inserted in ground.
Fig. 2 is the structural representation of the support release 200 of the embodiment of the present invention.Fig. 2 is refer to, the support release
200 include inner tube 210 and outer tube 220, and outer tube 220 is sheathed on the outside of inner tube 210.Fig. 3 is the inner tube 210 of the embodiment of the present invention
Structural representation.Fig. 3 is refer to, inner tube 210 includes the first expanding stent placement section 211, the expanding stent of labeling section 213 and second
Placement section 212, and one end of the first expanding stent placement section 211 is connected with labeling section 213, labeling section 213 is away from the first expansion
One end of support placement section 211 is connected with the second expanding stent placement section 212.Above-mentioned first expanding stent placement section 211, mark
The expanding stent placement section 212 of portion 213 and second can be used for placing foregoing Esophageal Stent component 300.
The above-mentioned one end of first expanding stent placement section 211 away from labeling section 213 can connect soft first 215.Need explanation
, it is that the foreign body in esophagus aids in taking out that the support release 200, which is provided with Esophageal Stent component 300 and soft first 215 one end,
Device 100 enters one end of sufferer esophageal lumen, when foreign body in esophagus auxiliary extractor 100 is imported into the esophageal lumen of sufferer, first will
The esophageal lumen that sufferer is stretched into soft first 215 one end is connected to, using soft first 215 soft property, the foreign body in esophagus can be avoided
Auxiliary extractor 100 rubs extension esophageal wall when entering esophageal lumen, will not damage esophageal wall, in the foreign matter in taking out esophageal lumen,
New secondary injury will not be caused to oesophagus cavity wall, is conducive to the recovery of oesophagus cavity wall.
The surface of above-mentioned labeling section 213 is provided with developing line 214, and the developing line 214 can develop under x-ray, in the food
Pipe foreign matter aids in extractor 100 to enter under the guiding of seal wire after sufferer esophageal lumen, under the irradiation of x-ray, can observe mark
The position of the developing line 214 in portion 213, and then it is able to confirm that position of the Esophageal Stent component 300 in sufferer esophageal lumen, and
The position of developing line 214 in labeling section 213 is observed under x-ray, is easy to 300 position in sufferer esophageal lumen of regulation Esophageal Stent component
Put, make Esophageal Stent component 300 more accurate to the Foreign bodies in esophageal lumen in sufferer esophageal lumen, you can more to facilitate
Medical worker accurately takes out the foreign matter in sufferer esophageal lumen, reduces the secondary injury to sufferer esophageal lumen when taking out foreign matter.
Above-mentioned side of the second expanding stent placement section 212 away from the first expanding stent placement section 211 is provided with locating ring
216, the locating ring 216 can be the locating ring 216 with development effect.The locating ring 216 states labeling section x-ray is lower and upper
213 developing line 214 equally can be developed, can under the collective effect of locating ring 216 and the developing line of labeling section 213 214
Further to improve the locating effect of Esophageal Stent component 300 on foreign body in esophagus auxiliary extractor 100, you can further to carry
High medical worker is taking out the accuracy of foreign matter in sufferer esophageal lumen, further to the two of sufferer esophageal lumen during reduction taking-up foreign matter
Secondary injury.
Fig. 4 is the structural representation of the Esophageal Stent component 300 of the embodiment of the present invention.It refer to Fig. 4, above-mentioned Esophageal Stent
Component 300 includes the first expanding stent 310, the second expanding stent 320 and connecting line 330, and the first expanding stent 310 and second is swollen
Swollen support 320 is the tubular bracket of both ends open, and one end of connecting line 330 is connected to one end of the first expanding stent 310, and
The other end of the connecting line 330 is connected to one end of the second expanding stent 320.Fig. 5 is refer to, the second expanding stent 320 is removable
That unloads is sheathed on the second expanding stent placement section 212, and the first expanding stent 310 is removably sheathed on the placement of the first expanding stent
Portion 211, when the second expanding stent 320 and the first expanding stent 310 are removably sheathed on the second expanding stent placement section respectively
212 and during the first expanding stent placement section 211, between the first expanding stent placement section 211 and the second expanding stent placement section 212
Labeling section 213 be in the gap location that the first expanding stent 310 and the second expanding stent 320 are connected with each other.
It should be noted that the first expanding stent 310 and the second expanding stent 320 may each be using medical treatment radiation
Expanding stent prepared by memorial alloy, is bundled in the first expanding stent 310 and the second expanding stent 320 of support release 200
After being released, meeting automatic expansion expands the esophageal lumen of sufferer.
Because above-mentioned labeling section 213 is provided with developing line 214, foreign body in esophagus taking-up servicing unit is being positioned over sufferer
Esophageal lumen in when, observation that can be by x-ray to the developing line 214 of labeling section 213 determines the first expanding stent 310 and
Position in the sufferer esophageal lumen of two expanding stents 320, and medical personnel are can aid in by the foreign matter in sufferer esophageal lumen
It is positioned between the first expanding stent 310 and the second expanding stent 320.
Above-mentioned locating ring 216 is located at side of second expanding stent 320 away from the first expanding stent 310, i.e., the second expansion
Support 320 is located in locating ring 216 and is provided between the labeling section 213 of developing line 214, is taken by foreign body in esophagus auxiliary
When going out the esophageal lumen of the feeding sufferer of device 100, the developing line 214 and locating ring of the labeling section 213 that can develop simultaneously by x-ray
216 position, and sandwiched is the second expanding stent 320 between labeling section 213 and locating ring 216, i.e., medical worker, which passes through, sees
The position of the second expanding stent 320 can be determined more accurately by examining the position of locating ring 216 and labeling section 213, can enter one
Step ground ensures that second expanding stent 320 is placed on the top of esophageal lumen foreign matter, and energy when placing Esophageal Stent component 300
Enough to strut the esophageal lumen above foreign matter, so that medical personnel take out foreign matter from sufferer esophageal lumen, reduction foreign matter is to sufferer
Esophageal lumen causes the possibility of secondary injury.
Fig. 4 is continued referring to, above-mentioned second expanding stent 320 includes first port 321, pipe portion 323 and second port
322, and the two ends of pipe portion 323 connect first port 321 and second port 322 respectively, above-mentioned connecting line 330 connects second port
322, the connecting lead wire 340 of first port 321, the diameter of first port 321 in relaxed state more than pipe portion 323 diameter.Enter
One step, the diameter of second port 322 in relaxed state more than pipe portion 323 diameter, i.e. the second expanding stent 320 two ends
Opening is in horn-like.Further, the structure of the first expanding stent 310 is consistent with the structure of the second expanding stent 320, i.e.,
The both ends open of first expanding stent 310 is also in horn-like.Due to the first expanding stent 310 and the second expanding stent 320
Both ends open be horn-like, when the first expanding stent 310 and the second expanding stent 320 discharge in the esophageal lumen of sufferer
Afterwards, larger tension force can be formed in the esophageal lumen of sufferer, to reach the pipe of oesophagus at foreign matter incarceration in fully expansion esophageal lumen
Footpath, so that the broken ends of fractured bone of exposure and free foreign matter, and then facilitate medical worker to take the foreign matter in sufferer esophageal lumen to greatest extent
Go out, the possibility of secondary injury occurs when further foreign matter is taken out in reduction.
The lead 340 that the first port 321 of second expanding stent 320 is connected can control the contraction of first port 321, have
Body, lead 340 can pull lead 340 then can be by along first port 321 circumferentially around first port 321 1 weeks
First port 321 is drawn in.
The second port 322 of second expanding stent 320 is connected with one end of connecting line 330, the other end of the connecting line 330
The first expanding stent 310 is connected close to one end of above-mentioned second expanding stent 320, can be by the when pulling above-mentioned lead 340
The direction movement that the first port 321 of two expanding stents 320 is drawn in and pulled toward lead 340, the movement of the second expanding stent 320
Connecting line 330 can be pulled, connecting line 330 can drive the first expanding stent 310, that is, the can be pulled simultaneously by pulling during lead 340
Two expanding stents 320 and the first expanding stent 310, on the one hand can be by pulling lead 340 to adjust the He of the first expanding stent 310
The position of second expanding stent 320, on the other hand can take out Esophageal Stent group valency from sufferer esophageal lumen.
It should be noted that when adjusting the first expanding stent 310, first can be adjusted with direct pull connecting line 330
The position of expanding stent 310, the first expanding stent 310 can be placed on by the method for adjustment faster to be easy to esophageal lumen foreign matter
The position of taking-up.
Preferably, connecting line 330 can the first expanding stent 310 close to the second expanding stent 320 one end open
Place rounds, and opens the first expanding stent 310 close to one end of the second expanding stent 320 when connecting line 330 is pulled
Mouth is drawn in, to facilitate the first expanding stent 310 to be removed from the esophageal lumen of sufferer.
It is further preferred that connecting line 330 can extend to the first expanding stent 310 away from the second expanding stent 320
One end open, and by this split ring around, pull connecting line 330 when, the both ends open of the first expanding stent 310 can all be received
Hold together, be conducive to taking out component between whole oesophagus from the esophageal lumen of patient.
It should be noted that the length of the first expanding stent 310 and the second expanding stent 320 may each be 20mm, and
The caliber of the horn-like opening at Single port 321 and the two ends of 322 and first expanding stent of second port 310 can be 25mm,
Both ends open, the first port 321 of the second expanding stent 320 and second port 322 when the first expanding stent 310 are in pine
During relaxation state, the first expanding stent 310 and the second expanding stent 320 by the length of connecting line 330 can be 30mm, connecting line
330 length rationally contributes to various diameters and tilts the taking-up of angled foreign matter；Connecting line 330 can for example be adopted
Easy fracture is not allowed with nylon yarn etc., the material that will not be adversely affected again to human body is made.
Refer to Fig. 1, Fig. 2 and Fig. 5, (the Esophageal Stent component 300 of the embodiment of the present invention is arranged at structure during inner tube 210
Schematic diagram), Esophageal Stent component 300 is bundled in inner tube 210 by draught line 230, and can pull draught line 230 by rami esophagei
Frame component 300 discharges, and one end of the draught line 230 passes inner tube 210.
Specifically, draught line 230 is to realize detachable bundle of the Esophageal Stent component 300 in inner tube 210 in the form of knot that can be undone by a pull
Tie up, when without using Esophageal Stent component 300, what Esophageal Stent component 300 can be stablized is arranged at support release 200
On, pull draught line 230, unclamp knot that can be undone by a pull, then bracket component can be discharged from support release 200, and then utilize rami esophagei
Frame component 300 expands the esophageal lumen of sufferer.
Further, draught line 230 passes one end connecting line 330 of inner tube 210 and fallen, when aiding in the foreign body in esophagus to take out
After Esophageal Stent component 300 on device 100 is positioned over sufferer esophageal lumen foreign matter nearby, pulls wire falls 231, and line is fallen into 231, led
The outside retrogressing of lead 230 and the esophageal lumen in the same direction of outer tube 220 1, you can loosen draught line 230 from inner tube 210, so that will
Esophageal Stent component 300 on support release 200 from the esophageal lumen of sufferer is released to.
Further, foregoing outer tube 220 is provided with through hole 233, and above-mentioned draught line 230 passes one end profit of inner tube 210
Outer tube 220 is connected to through hole 233, or the draught line 230 can pass through hole 233 and be directly connected in above-mentioned line pendant 231.Will
Draught line 230 is connected to outer tube 220 or through the connecting line of through hole 233 pendant 231, and draught line 230 can be avoided to slip into outer tube 220
Gap between inner tube 210, can also avoid draught line 230 from loosening in advance, prevent Esophageal Stent component 300 from reaching oesophagus
It is released in advance before at foreign matter, that is, ensure that medical worker is inserting the accuracy of Esophageal Stent group valency.When Esophageal Stent component
300 with the foreign body in esophagus aid in extractor 100 reach sufferer esophageal lumen foreign matter position after, to esophageal lumen outside retreat outer tube
220, drive draught line 230 to be taken off from inner tube 210, you can release Esophageal Stent component 300, further take out inner tube 210 to rami esophagei
Frame component 300 is adjusted, and foreign matter is placed between the first expanding stent 310 and the second expanding stent 320, foreign matter is finally carried out
Taking-up work.If, can be first not by Esophageal Stent, it is necessary to make further treatment to the inwall of esophageal lumen after foreign body
Component 300 takes out from esophageal lumen, after the treatment of esophageal lumen is completed, then drags lead 340 by whole Esophageal Stent component 300
Taken out inside from esophageal lumen.
Foreign body in esophagus auxiliary extractor 100 operation principle be：Can in direct view under endoscope through gastroscopic biopsy duct by superslide
Stiffened seal wire crosses sufferer esophageal lumen foreign matter and probes into stomach intracavitary, reinserts near gastroscope to foreign matter, eats this under gastroscope direct-view
Pipe foreign matter aids in extractor 100 to import esophageal lumen through seal wire, adjusts the position of developing line 214 and locating ring 216 in labeling section 213
Put, developing line 214 is adjusted to about 0.5cm below foreign matter and located, with the of the release Esophageal Stent of support release 200 component 300
Developing line 214, is then placed in above foreign matter at about 0.5cm and continues to discharge the second expanding stent 320 by one expanding stent 310, will
After the release completely of Esophageal Stent component 300, support release 200 and seal wire are extracted, with the He of the first expanding stent of gastroscopic observation 310
Position of second expanding stent 320 in esophageal lumen, pulls lead 340 or the adjustment of connecting line 330 first with biopsy forceps if necessary
The position of the expanding stent 320 of expanding stent 310 and second, fully to expand the esophageal diameter of foreign matter position, dissociate foreign matter
The broken ends of fractured bone, is easy to the devices such as foreign body forcepses or snare to take out after foreign matter, foreign body, then local hemostasis can extract oesophagus at once
Bracket component 300 delays to take out, and only needs to pull the lead 340 i.e. collapsible second on the second expanding stent 320 during taking-up
The first port 321 of expanding stent 320, enables Esophageal Stent component 300 smoothly to be taken out, and is made without the esophageal lumen to sufferer
Into secondary injury.
In summary, the beneficial effect of Esophageal Stent component of the invention and foreign body in esophagus auxiliary extractor is：The oesophagus
Foreign matter auxiliary extractor can be admitted in sufferer esophageal lumen using seal wire, and the support for aiding in extractor using the foreign body in esophagus is released
Put device to discharge the bracket component being arranged on the support release, and phase can be carried out to position of the support in esophageal lumen
The adjustment answered, make positioning of the support in esophageal lumen more accurate, and the two ends of incarceration foreign matter part are propped up in esophageal lumen
Frame is strutted, and is exposed to greatest extent or foreign matter is dissociated the foreign matter in oesophagus, facilitate doctor to take the foreign matter in patient's oesophagus
Go out, and ensure, in the foreign matter in taking out esophageal lumen, secondary injury will not be caused to esophageal wall；Meanwhile, by the Esophageal Stent group
Part is applied to after the foreign matter excision in sufferer esophageal lumen, can delay to take out, and treats that the esophageal lumen damage of sufferer is able to after treatment,
The Esophageal Stent component is taken out out of sufferer esophageal lumen in the lump again.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of Esophageal Stent component, it is characterised in that described including the first expanding stent, the second expanding stent and connecting line
First expanding stent and second expanding stent are the tubular bracket of both ends open, and one end connection of the connecting line is described
One end of first expanding stent, the other end connects one end of second expanding stent, and second expanding stent is away from connection
One end connecting lead wire of line.
2. Esophageal Stent component according to claim 1, it is characterised in that second expanding stent includes first end
Mouth, pipe portion and second port, the two ends of the pipe portion connect the first port and the second port, the first end respectively
The diameter of mouth is more than the diameter of the pipe portion.
3. Esophageal Stent component according to claim 2, it is characterised in that the lead is connected to the first port,
And the first port can shrink under the traction of the lead.
4. Esophageal Stent component according to claim 1, it is characterised in that the connecting line extends to first expansion
Openend of the support away from second expanding stent, and be connected with the openend.
5. a kind of foreign body in esophagus aids in extractor, it is characterised in that including described in support release and claim any one of 1-4
Esophageal Stent component, the support release include inner and outer tubes, the outer tube sleeve be located at said inner tube outside, it is described
Esophageal Stent component is bundled in said inner tube by draught line, and pulls the draught line to discharge the Esophageal Stent component, institute
The one end for stating draught line passes said inner tube, and said inner tube includes labeling section, and the labeling section is arranged at the first expansion branch
Between frame and second expanding stent.
6. foreign body in esophagus according to claim 5 aids in extractor, it is characterised in that the labeling section is provided with development
Line.
7. foreign body in esophagus according to claim 5 aids in extractor, it is characterised in that the draught line passes said inner tube
One end connecting line pendant.
8. foreign body in esophagus according to claim 5 aids in extractor, it is characterised in that one end connection institute of the draught line
State outer tube.
9. foreign body in esophagus according to claim 5 aids in extractor, it is characterised in that the close oesophagus of said inner tube
One end of bracket component is connected with soft head.
10. foreign body in esophagus according to claim 5 aids in extractor, it is characterised in that it is swollen that said inner tube also includes first
Swollen bracket component and the second expansion bracket assemblies, first expanding stent are sheathed on the first expanding stent placement section, institute
State the second expanding stent and be sheathed on the second expanding stent placement section, the second expanding stent placement section is away from described first
The side of expanding stent placement section is provided with locating ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593261.2A CN107212954A (en) | 2017-07-18 | 2017-07-18 | Esophageal Stent component and foreign body in esophagus auxiliary extractor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710593261.2A CN107212954A (en) | 2017-07-18 | 2017-07-18 | Esophageal Stent component and foreign body in esophagus auxiliary extractor |
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| CN107212954A true CN107212954A (en) | 2017-09-29 |
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| CN201710593261.2A Pending CN107212954A (en) | 2017-07-18 | 2017-07-18 | Esophageal Stent component and foreign body in esophagus auxiliary extractor |
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