CN109718479A - Medical non-vascular overlay film particle pocket bit selecting radiation treatment stent - Google Patents
Medical non-vascular overlay film particle pocket bit selecting radiation treatment stent Download PDFInfo
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- CN109718479A CN109718479A CN201910144020.9A CN201910144020A CN109718479A CN 109718479 A CN109718479 A CN 109718479A CN 201910144020 A CN201910144020 A CN 201910144020A CN 109718479 A CN109718479 A CN 109718479A
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- ring
- overlay film
- radiation treatment
- bit selecting
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Abstract
The invention discloses medical non-vascular overlay film particle pocket bit selecting radiation treatment stents, including the integral double-deck membrane tube of overlay film bonding inside and outside tubular armature and skeleton, one layer of pocket film are bonded on outer membrane pipe, surface spacing forms the long strip type particle pocket of multiple opening upwards.Bracket outer of the present invention carries particle pocket, using safe and effective, play narrow to canceration area, stifled impotence immunotherapy targeted autoantibody, is easy to later period taking-up, is unwilling that new treatment method may be selected in the middle and advanced stage cancer patient for receiving outer radiotherapy again for losing operative chance.
Description
Technical field
The present invention relates to medical auxiliary appliance fields, more specifically, it relates to a kind of medical non-vascular overlay film particle pocket
Bit selecting radiation treatment stent.
Background technique
Medical rack has been widely used, and is mainly used to the effects of strutting narrow, stifled impotence, local administration, it is therefore an objective to make chamber
Road is unobstructed.Current Medical rack is substantially all used in single tracheae or adjacent two tracheaes, such as oesophagus, tracheae, oesophagus
With stomach, gastrointestinal tract, enteron aisle, urethra, biliary tract etc..There is a kind of patient, when there is oesophagus or the canceration of tracheae part, causes cavity narrow
Narrow, stifled impotence, mostly uses greatly first range radiotherapy reselection Medical rack to this doctor, struts cavity, but range radiotherapy is killed
Dead cancer cell again can large area kill normal cell, and when radiotherapy, patient is also very painful, patient be to be unwilling to receive outside
Radiotherapy in the treatment method.
Therefore there is a kind of medical method at present, the position of the setting addition radion on bracket by every means makes to put
Radion can be properly placed on lesion, realize small range " targeted radiotherapy ".Such as disclosed patent application (patent disclosure
Number CN101695458 A, CN107569766 A), the first is outside the support arm that nitinol alloy wire is woven into mesh skeleton structure
Surface thorn card or suture long strip type radion load capsule；Second rack body is woven by the alloy tube wire being open, radiated
Particle is placed in alloy tube wire.Two kinds of brackets are network structure, place a period of time in merging cavity, newly granulate
Tissue can be grown into bracket, and formation is narrow again, and since bodily tissue and bracket interweave, the later period can not be by bracket and radiation
Particle takes out；And network modification is larger, radion in vitro when be just arranged to certain position on bracket, bracket reaches cavity position
Swollen support is set, inevitably generates position difference with diseased region.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of medical non-blood to solve the above problems
Tube covering membrane particle pocket bit selecting radiation treatment stent, full overlay film frame prevent new granulation tissue from penetrating growth in skeleton, prevent cavity again
It is secondary narrow, it is also convenient for later period taking-up bracket；Particle pocket is the film pocket of adhesive film outer tube layer simultaneously, is put according to diseased region bit selecting
Radion, bracket carry out accurately " targeted radiotherapy " after placing to cavity suitable position.
To achieve the above object, the present invention provides the following technical scheme that
Medical non-vascular overlay film particle pocket bit selecting radiation treatment stent, including overlay film bonding is integral inside and outside tubular armature and skeleton
The double-deck membrane tube, one layer of pocket film is bonded on outer membrane pipe, surface spacing forms the long strip type particle pocket of multiple opening upwards.
The present invention is further improved technical solution, and the skeleton constitutes reticular structure by wire and auxiliary line, netted
Structure is, wire is bent into continuous " V " font and encloses cyclization again, and upper and lower multiple groups circle permutation, then will be upper with auxiliary line at tubulose
" V " type unit bottom end bending part of group ring connect to form entirety with two " V " type unit center tip bending points of the following group ring, most
Type unit top " V " of top ring is connected with auxiliary line, and type unit bottom end " V " of lowermost end ring is connected with auxiliary line.Auxiliary line
Wire is linked to be skeleton, the supportive after compressibility and swollen support is all very good, and auxiliary line effectively receives wire armature
Tightly, it is matched with the size at the membrane tube position.
The further improved technology scheme of the present invention is that it is each " V " that each type unit bottom end " V " of upper group of ring is located at the following group ring
Misconstruction is formed among type unit.So that overall structure is more stable.
Further improved technology scheme is the present invention, and upper group of ring bottom end is with the following group ring top from regular intervals, auxiliary company
Upper group of ring is connect by line with continuous " V " font with the following group ring；Or upper group of ring bottom end and the following group ring top are located at same horizontal line
On, upper group of ring is connect by auxiliary line with "-" type with the following group ring；Or upper group of ring bottom end interlocks with the socket of the following group ring top, auxiliary company
Upper group of ring is connect by line with continuous " V " font with the following group ring.
Further improved technology scheme is the present invention, each " V " type cellular construction centre of every group of ring and two " V " types
A particle pocket is set respectively among the inverted " V " type structure formed between unit.The setting of particle pocket quantity is more and regular, is convenient for bit selecting
It places.
Further improved technology scheme is the present invention, and the particle pocket depth is greater than particle length, and opening is formed thereon
Width is less than the wide tightening mouth of lower part particle storage position pocket.It effectively prevent radion to drop out.
Further improved technology scheme is the present invention, is isometrical cylindrical shape in the middle part of the membrane tube, and two-port is opened outward
Open and be flared out in trumpet type or two-port in after trumpet type, edge again inside arch at similar mushroom.Both ends trumpet type
Mouth or mushroom mouth play the role of fixed and tissue are prevented to grow from both ends to internal stent.
Further improved technology scheme is the present invention, and one end of the membrane tube connects anti-refulx membrane skirt, the diameter of film skirt
Greater than membrane tube mid diameter, film skirt upper end is inserted into be bonded with its in membrane tube horn mouth.Film skirt plays the role of similar cardia, when one
When people's cardia is ineffective, gastric disorder causing nausea will be lost control of, and film skirt replaces cardia, prevents gastric disorder causing nausea.
Further improved technology scheme is the present invention, and the circumferential circle in the membrane tube top is symmetrically arranged with four two-by-two and falls
Thorn, hangnail inner end pass through outer membrane and are connected on skeleton.The effect of hangnail plays center rest and prevents stent migration.
Further improved technology scheme is the present invention, and membrane tube is suitable for reading interior auxiliary by the top of skeleton the top ring with inner loop-line
Line connects into exhausting line.When later period need to take out bracket and radion, it need to only lead and hook exhausting line pull-out, put and just operate.
The invention has the advantages that:
One, bracket outer of the present invention carries particle pocket, and diseased region elaborate position is selected to place particle, and bracket is put into cavity, real
Now accurately " targeted radiotherapy ".
Two, bracket of the present invention uses full structure of film, can prevent new granulation tissue from growing into bracket, effectively prevent
It is narrow again, while the taking-up of the bracket and radion in later period can be achieved.
Three, the effect of top of bracket is equipped with anti-skidding hangnail, plays center rest and prevents displacement.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is schematic diagram.
Specific embodiment
As shown in Figure 1, the present invention includes the double-deck membrane tube 1 that overlay film bonding is integral inside and outside tubular armature and skeleton, institute
It states skeleton and reticular structure is constituted by wire 4 and auxiliary line 5, reticular structure is that wire 4 is bent into continuous " V " font again
Circle cyclization, each type unit bottom end " V " of upper group of ring, which is located among each " V " the type unit of the following group ring, forms misconstruction, more up and down
Group circle permutation is at tubulose, then with auxiliary line (5) by two " V " types of " V " type unit bottom end bending part of upper group of ring and the following group ring
Unit center tip bending point connects to form entirety, and upper group of ring bottom end and the following group ring top are located in same horizontal line, auxiliary line
Upper group of ring is connect with the following group ring with "-" type, type unit top " V " of the top ring is connected with auxiliary line, lowermost end ring
The type unit bottom end " V " is connected with auxiliary line, one layer of pocket film is bonded on outer membrane pipe, in each " V " type unit knot of every group of ring
The long strip type grain an of opening upwards is respectively formed among the inverted " V " type structure formed between two " V " type units among structure
Sub- pocket 2,2 depth of particle pocket are greater than particle length, can be between 7-9 millimeters, and diameter is between 0.6-1.2 millimeters, upper opening
Formation width is less than the wide tightening mouth of lower part particle storage position pocket.
It is isometrical cylindrical shape in the middle part of the membrane tube 1, two-port is flared out in trumpet type, and the bottom end connection of membrane tube 1 is anti-
Backflow film skirt 3, and the diameter of film skirt is greater than membrane tube mid diameter, and film skirt upper end is inserted into be bonded with its in membrane tube horn mouth.
The circumferential circle in 1 top of membrane tube is symmetrically arranged with four hangnails 3 two-by-two, and 3 inner end of hangnail is connected to across outer membrane
On skeleton.
The membrane tube 1 is suitable for reading interior to connect into exhausting line 7 for the auxiliary line 5 in the top of skeleton the top ring with inner loop-line.
Middle skeleton wire of the present invention is the implantable wires such as stainless steel wire or shape-memory alloy wire；Auxiliary company used
Line is non-metal wire, such as nylon wire；The membrane tube, film skirt, pocket film be flexibility high molecular material, such as medical grade silicon rubber, poly- four
One of fluoride film, polyurethane film or PA membrane etc..
First the inner layer film of membrane tube is covered when in production and is rolled on columnar mould, then the skeleton that wire and auxiliary line are made into
Suit (is connected with hangnail) thereon on skeleton, tighten auxiliary line and tighten metal wire frame, reach preset size, then apply
It glues, then outer membrane is covered on skeleton, then the gluing on outer membrane, adhesion pocket film, at each " V " of every group of ring of skeleton
It is set as an opening upwards respectively among the inverted " V " type structure formed between two " V " type units among type cellular construction
Long strip type particle pocket.Have again and install exhausting line in membrane tube, in membrane tube one end adhesive film skirt.
Before this stenter to implant human body, suitable position is selected to be put into radion in the particle pocket of membrane tube outer layer bonding,
After stenter to implant human body, the wire armature at both ends is swollen stay tube chamber, membrane tube both ends are strutted by wire armature, when have gas or
When liquid passes through, the radion than smoothly, being put into is close to canceration area, carries out radiotherapy effect.
Embodiment 2
From at regular intervals, auxiliary line is connected upper group of ring and the following group ring with continuous " V " font for upper group of ring bottom end and the following group ring top
It connects, remaining is such as embodiment 1.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention have grain in membrane tube outer bound
Sub- pocket, also should be regarded as protection scope of the present invention.
Claims (10)
1. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent, including overlay film is bonded at one inside and outside tubular armature and skeleton
The double-deck membrane tube (1) of body, it is characterised in that: one layer of pocket film is bonded on outer membrane pipe, surface spacing forms multiple opening upwards
Long strip type particle pocket (2).
2. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent according to claim 1, it is characterised in that: the skeleton
Reticular structure is constituted by wire (4) and auxiliary line (5), reticular structure is that wire (4) is bent into continuous " V " font again
Circle cyclization, upper and lower multiple groups circle permutation is at tubulose, then with auxiliary line (5) by " V " the type unit bottom end bending part and the following group of upper group of ring
Two " V " type unit center tip bending points of ring connect to form entirety, and type unit top " V " of the top ring is connected with auxiliary line
It connects, type unit bottom end " V " of lowermost end ring is connected with auxiliary line.
3. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent according to claim 2, it is characterised in that: above organize ring
Each the type unit bottom end " V ", which is located among each " V " the type unit of the following group ring, forms misconstruction.
4. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent according to claim 3, it is characterised in that: above organize ring bottom
With the following group ring top from regular intervals, upper group of ring is connect by auxiliary line with continuously " V " font with the following group ring at end；Or upper group of ring
Bottom end and the following group ring top are located in same horizontal line, and upper group of ring is connect by auxiliary line with "-" type with the following group ring；Or upper group
Ring bottom end interlocks with the socket of the following group ring top, and upper group of ring is connect by auxiliary line with continuous " V " font with the following group ring.
5. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent according to claim 2, it is characterised in that: every group of ring
A particle pocket is set respectively among the inverted " V " type structure formed between two " V " type units among each " V " type cellular construction
(2).
6. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent according to claim 1 or 5, it is characterised in that: described
Particle pocket (2) depth is greater than particle length, and the formation width that is open thereon is less than the wide tightening mouth of lower part particle storage position pocket.
7. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent according to claim 1, it is characterised in that: the membrane tube
(1) middle part is isometrical cylindrical shape, and two-port, which is flared out, to be flared out in trumpet type or two-port in after trumpet type, side
Portion again inside arch at similar mushroom.
8. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent according to claim 7, it is characterised in that: the membrane tube
(1) one end connects anti-refulx membrane skirt (3), and the diameter of film skirt is greater than membrane tube mid diameter, and membrane tube horn mouth is inserted into film skirt upper end
It is interior be bonded with its.
9. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent according to claim 1, it is characterised in that: the membrane tube
(1) the circumferential circle in top is symmetrically arranged with four hangnails (3) two-by-two, and hangnail (3) inner end passes through outer membrane and is connected on skeleton.
10. medical non-vascular overlay film particle pocket bit selecting radiation treatment stent according to claim 2, it is characterised in that: membrane tube (1)
It is suitable for reading interior the auxiliary line in top (5) of skeleton the top ring to be connected into exhausting line (7) with inner loop-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910144020.9A CN109718479A (en) | 2019-02-27 | 2019-02-27 | Medical non-vascular overlay film particle pocket bit selecting radiation treatment stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910144020.9A CN109718479A (en) | 2019-02-27 | 2019-02-27 | Medical non-vascular overlay film particle pocket bit selecting radiation treatment stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109718479A true CN109718479A (en) | 2019-05-07 |
Family
ID=66300807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910144020.9A Pending CN109718479A (en) | 2019-02-27 | 2019-02-27 | Medical non-vascular overlay film particle pocket bit selecting radiation treatment stent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115363819A (en) * | 2022-10-27 | 2022-11-22 | 北京华脉泰科医疗器械股份有限公司 | Covered stent and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100030127A1 (en) * | 2006-09-21 | 2010-02-04 | The Second Military Medical University | Duct stent for carrying miniature radioactive particle sources |
| CN101695458A (en) * | 2009-10-30 | 2010-04-21 | 南京微创医学科技有限公司 | Biliary tract radiation treatment stent |
| CN102499789A (en) * | 2011-10-31 | 2012-06-20 | 淮安市西格玛医用实业有限公司 | Stomach striding stent |
| CN203790087U (en) * | 2014-01-09 | 2014-08-27 | 刘阳 | Radioactive particle stent |
| CN108186160A (en) * | 2017-11-28 | 2018-06-22 | 王勇 | The anti-Esophageal Stent that backflows of one kind |
-
2019
- 2019-02-27 CN CN201910144020.9A patent/CN109718479A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100030127A1 (en) * | 2006-09-21 | 2010-02-04 | The Second Military Medical University | Duct stent for carrying miniature radioactive particle sources |
| CN101695458A (en) * | 2009-10-30 | 2010-04-21 | 南京微创医学科技有限公司 | Biliary tract radiation treatment stent |
| CN102499789A (en) * | 2011-10-31 | 2012-06-20 | 淮安市西格玛医用实业有限公司 | Stomach striding stent |
| CN203790087U (en) * | 2014-01-09 | 2014-08-27 | 刘阳 | Radioactive particle stent |
| CN108186160A (en) * | 2017-11-28 | 2018-06-22 | 王勇 | The anti-Esophageal Stent that backflows of one kind |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115363819A (en) * | 2022-10-27 | 2022-11-22 | 北京华脉泰科医疗器械股份有限公司 | Covered stent and preparation method thereof |
| CN115363819B (en) * | 2022-10-27 | 2023-01-31 | 北京华脉泰科医疗器械股份有限公司 | Covered stent and preparation method thereof |
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