CN2633329Y - Recoverable full film coated nickel-titanium alloy intratracheal rack and its recovering device - Google Patents
Recoverable full film coated nickel-titanium alloy intratracheal rack and its recovering device Download PDFInfo
- Publication number
- CN2633329Y CN2633329Y CNU032151985U CN03215198U CN2633329Y CN 2633329 Y CN2633329 Y CN 2633329Y CN U032151985 U CNU032151985 U CN U032151985U CN 03215198 U CN03215198 U CN 03215198U CN 2633329 Y CN2633329 Y CN 2633329Y
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- China
- Prior art keywords
- support
- reading
- titanium alloy
- rack
- intracavity
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- Expired - Fee Related
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- 229910001000 nickel titanium Inorganic materials 0.000 title claims abstract description 24
- 239000004677 Nylon Substances 0.000 claims abstract description 7
- 229920001778 nylon Polymers 0.000 claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims abstract 2
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 14
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 8
- 241001061264 Astragalus Species 0.000 claims description 5
- 238000011084 recovery Methods 0.000 abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003211 malignant effect Effects 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 206010044310 Tracheo-oesophageal fistula Diseases 0.000 abstract 1
- 208000005864 Tracheoesophageal Fistula Diseases 0.000 abstract 1
- 208000016274 isolated tracheo-esophageal fistula Diseases 0.000 abstract 1
- 208000006601 tracheal stenosis Diseases 0.000 abstract 1
- 238000013022 venting Methods 0.000 description 8
- 208000031481 Pathologic Constriction Diseases 0.000 description 4
- 210000004379 membrane Anatomy 0.000 description 4
- 210000004877 mucosa Anatomy 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 210000001519 tissue Anatomy 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 206010020880 Hypertrophy Diseases 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 206010016717 Fistula Diseases 0.000 description 1
- 206010028665 Myxoedema Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010056397 Tracheomalacia Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003890 fistula Effects 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 208000003786 myxedema Diseases 0.000 description 1
- 238000009116 palliative therapy Methods 0.000 description 1
- 208000037803 restenosis Diseases 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
A recoverable full film coated nickel-titanium alloy intratracheal rack for curing benign and malignant tracheal stenosis and tracheoesophageal fistula is formed by nickel-titanium alloy wire and coated fully by film as a liner. A nylon line is penetrated into an upper opening of the rack and wound two circles continuously to form a six-corner star in a chamber at the upper opening of the rack which can be furled by pulling any point of the line in the chamber. The recovery device comprises a guiding sheath group and a recovery rod which has three chambers, wherein one chamber comprises a recovery hook, another chamber has a guide wire and the third chamber is for ventilation. When the utility model is operated, the guiding sheath is firstly introduced, and the recovery rod with side tube through with oxygen is then introduced via the guiding sheath chamber. Having hooked the recovery line, the rack is pulled into the guiding sheath and pulled out of the rack body together with the guiding sheath.
Description
Affiliated technical field
This utility model relates to the medical apparatus field, belongs to insert body cavities in the interventional medicine to remove narrow or a kind of recoverable support structure of sealing fistula mouth and the structure of retracting device thereof.
Background technology
Internal metal rack treatment trachea benign and malignant stenosis is used widely clinical having obtained, and inserting internal metal rack for malignant stricture is as a kind of palliative therapy means, and support need not to take out.And for benign stricture, as tracheomalacia, cicatricial stricture etc., because the long-term indwelling of support produces inflammatory reaction, edema and the hypertrophy that physicochemical irritation causes local mucous membrane, generation for long term complication in preventing, need to finish the supporting role of regular period at support, after the narrow positions expansion is shaped with its taking-up.A kind of recoverable support that Chinese patent 99228303.5 provides is the Z type overlay film frame that adopts stainless steel silk to make, and support is suitable for reading wears inside and outside two circle and the consistent nylon wires of support girth suitable for reading, hooks inner ring nylon wire revenue and expenditure frame back and forth with metal hook.The Z type support tension force that stainless steel silk is made is bigger, and poor compliance has very big resistance during recovery, pull out by force and often cause heavier mucosa injury.Support exhausting line suitable for reading is consistent with support girth suitable for reading, is close to suitable for readingly, and support is suitable for reading imbeds mucosa together with exhausting line because mucosal hyperplasia or inflammatory edema make after support is inserted certain hour, makes support reclaim difficulty.Chinese patent 99217764.2 provides a kind of recyclable nick-eltitanium alloy stent, but because of support does not have tunicle, can embed mucosa after inserting the human body certain hour, simultaneously, because the stimulation of support makes local mucous membrane produce inflammatory reaction, myxedema and hypertrophy occur, and form restenosis from the support mesh support intracavity of growing into, support is embedded in that tissue is interior can't to be taken out.
Summary of the invention
This utility model provides a kind of recyclable full membrane covered nickel-titanium alloy endotracheal stent and retracting device thereof stable and reliable for performance.
The technical scheme in the invention for solving the technical problem is: be woven into webmaster shape support with a nitinol alloy wire.The support intracavity adopts the complete overlay film of lined.The support nylon yarn of the enough intensity of a rhizopodium of wearing suitable for reading is as exhausting line, this line at first penetrates nitinol alloy wire fold back place in turn along support interval suitable for reading, after wearing a circle, put on first astragal in turn along support inwall suitable for reading again, having worn the second circle back exhausting line continuously converges end to end mutually, tighten the back knotting, exhausting line is worn into the hexagonal star-shape of a rule in support intracavity suitable for reading, and any point that lifts exhausting line at intracavity all can make support gathering suitable for reading.Retracting device is made up of bridle catcher and guide sheath group two parts, and the guide sheath group comprises guide sheath and dilator, and bridle catcher can pass through the guide sheath inner chamber.Bridle catcher is a rod shaped structure, and there are three chambeies inside, and an intracavity is a recovering hook, and front end is oblique and is shaped on side and splits; Another intracavity admittance silk; The 3rd chamber is used for logical oxygen, and far-end has stomidium and a plurality of side opening, and near-end is connected with side pipe and " Y " shape joint.Three chambeies are triangularly arranged, and its front end length differs, and make the bridle catcher front end tapered.Guidewire lumen is the longest, and venting cavity takes second place, and the recovering hook chamber is the shortest.Recovering hook is made by stainless steel silk, and front end is a hook-type, and tail end is made ring-type.
The beneficial effects of the utility model are:
1, support is formed by the braiding of the nitinol alloy wire of diameter 0.22mm, has good formative memory, and the adjusting by phase transition temperature can make support be issued to maximum swelling power at the body temperature state, helps narrow expansion.Simultaneously, have good compliance, can closely contact with tube wall.
2, support adopts the complete overlay film of lined, and the outer wall of support is the grid that exposed nitinol alloy wire is woven into, and has increased the contact surface of support and tissue greatly, and support is played fixation, can effectively prevent the support slippage.Simultaneously, overlay film can prevent that again nitinol alloy wire from imbedding in the tissue and the tissue support intracavity of growing into.
3, exhausting line is worn by a continuous nylon wire, wears the hexagonal star-shape of rule in support intracavity suitable for reading, can prevent effectively that exhausting line from imbedding mucosa, is convenient to recovering hook again and hooks exhausting line, hooks exhausting line any point at intracavity and all can make support gathering suitable for reading.
4, seal wire be can pass through in the bridle catcher, the stability of support recovery and the accuracy of operation increased.
5, in the bridle catcher venting cavity is arranged, can effectively prevent to suffocate in the support removal process.
6, recovering hook chamber front end is oblique, and is shaped on side and splits, and when recovering hook was pulled back, recovering hook was reduced to its front end of intracavity and embeds in side splits, and can effectively lock exhausting line, prevents to lift in the support process exhausting line landing from the recovering hook.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is recyclable full membrane covered nickel-titanium alloy endotracheal stent structural representation
Fig. 2 is a recyclable full membrane covered nickel-titanium alloy endotracheal stent structural representation suitable for reading
Fig. 3 is Fig. 2 local detail structural representation
Fig. 4 is the bridle catcher structural representation
Fig. 5 is Fig. 4 body section structure sketch map
Fig. 6 is Fig. 4 recovering hook front end morphosis sketch map
Fig. 7 is Fig. 4 recovering hook chamber front end morphosis sketch map
Fig. 8 is that recovering hook is in the recovery view
Fig. 9 is a guide sheath group structural representation
Among the figure, 1 is the support body, and 2 is nitinol alloy wire support fold back suitable for reading place, 3 is section outside the chamber, exhausting line outer ring, and 4 is nitinol alloy wire, and 5 for reclaiming toe-in, 6 is in the exhausting line, the outer ring section of dividing a word with a hyphen at the end of a line, 7 is exhausting line outer ring intracavity section, 8 is the exhausting line inner ring, 9 is film, and 10 is seal wire, and 11 is the venting cavity side opening, 12 is the bridle catcher body, and 13 is venting cavity side pipe " Y " shape joint, and 14 is the venting cavity side pipe, 15 is handle, and 16 is the recovering hook body, and 17 is the recovering hook tail end, 18 is guidewire lumen, and 19 is the recovering hook chamber, and 20 is venting cavity, 21 is the recovering hook end points, and 22 is recovering hook first break, and 23 is recovering hook second break, 24 is recovering hook the 3rd break, h is point 23 distances 22, the vertical dimension of 24 two lines, 25 split for side, and 26 is the inclined-plane, φ is recovering hook intracavity footpath, 27 is guide sheath, and 28 is the dilator guidewire lumen, and 29 is dilator.
The specific embodiment
Be woven into as shown in Figure 1 webmaster shape support with nitinol alloy wire 4, adopt the complete overlay film 9 of lined, at the support exhausting line of wearing suitable for reading, at first penetrate nitinol alloy wire fold back place 2 in turn along support interval suitable for reading, wear a circle after, continue to put on first astragal 7 in turn along support inwall suitable for reading, having worn second astragal, 8 back exhausting lines continuously converges end to end mutually, tighten back knotting 5, exhausting line wears as shown in Figure 2 hexagonal star-shape in support intracavity suitable for reading, and any point that lifts exhausting line all can make support gathering suitable for reading.Make bridle catcher shown in Figure 4 with plastic tube and steel wire, in three chambeies are arranged, guidewire lumen 18 and recovering hook chamber 19 internal diameter φ are 1.2mm, the venting cavity internal diameter is 1.5mm, the stainless steel silk of recovering hook 16 usefulness diameter 1mm is made, and front end is processed into as shown in Figure 6 hook-shaped, and 21,23,24 3 point-blank, h=φ, recovering hook tail end 17 is made the annular of diameter 2.5cm.The guide sheath group is made by plastic tube as shown in Figure 9, and dilator 29 front ends are made taper shape, in the guidewire lumen 28 of diameter 1.2mm is arranged, dilator 29 can insert guide sheath 27 intracavity, the two engages closely, bridle catcher can pass through from the guide sheath intracavity.
Earlier seal wire 10 per os are introduced the support intracavity during operation under the X line monitors, introduce the guide sheath group along seal wire, then, withdraw from dilator 29, keep guide sheath 27 and seal wire 10, guide sheath 27 front ends place support top slightly suitable for reading.Earlier an interface in venting cavity side pipe " Y " the shape joint 13 is connected oxygen, another mouthful keeps open state, then, introduces bridle catcher along seal wire 10, and recovering hook is in recovery state as shown in Figure 8 during introducing.Thumb is inserted in the recovering hook afterbody ring 17 when handling bridle catcher, and four refer to hold handle 15 in addition, the recovery of controlling recovering hook with thumb with stretch out.Bar front end to be recycled cross support suitable for reading after, stretch out recovering hook, upwards lift bridle catcher then, hook and make behind the exhausting line recovering hook be in as shown in Figure 8 recovery state, lift support then to guide sheath and together pull out external together with guide sheath.
Claims (4)
1, a kind of recyclable full membrane covered nickel-titanium alloy endotracheal stent, it is characterized in that: weave the webmaster shape support that forms by a successive nitinol alloy wire, support adopts the full overlay film of lined, the support nylon yarn of the enough intensity of a rhizopodium of wearing suitable for reading is as exhausting line, this line at first penetrates nitinol alloy wire fold back place in turn along support interval suitable for reading, after wearing a circle, put on first astragal in turn along support inwall suitable for reading again, having worn the second circle back exhausting line continuously converges end to end mutually, tighten the back knotting, exhausting line is worn into the hexagonal star-shape of a rule in support intracavity suitable for reading.
2, recyclable full membrane covered nickel-titanium alloy endotracheal stent according to claim 1 is characterized in that: the support intracavity adopts the full overlay film of lined, and the support outer wall is the nitinol alloy wire of the exposed grid that is woven into.
3, recyclable full membrane covered nickel-titanium alloy endotracheal stent according to claim 1, it is characterized in that: the support nylon yarn of the enough intensity of a rhizopodium of wearing suitable for reading is as exhausting line, this line at first penetrates nitinol alloy wire fold back place in turn along support interval suitable for reading, after wearing a circle, put on first astragal in turn along support inwall suitable for reading again, worn the second circle back exhausting line continuously and converged mutually end to end, tightened the back knotting, exhausting line is worn into the hexagonal star-shape of a rule in support intracavity suitable for reading.
4, a kind of retracting device of recyclable full membrane covered nickel-titanium alloy endotracheal stent is characterized in that: there are three chambeies bridle catcher inside, and an intracavity is a recovering hook, and front end is oblique and is shaped on side and splits; Another intracavity is walked seal wire; The 3rd chamber front end has stomidium and a plurality of side opening, and near-end is connected with side pipe and " Y " shape joint is used for ventilation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032151985U CN2633329Y (en) | 2003-02-09 | 2003-02-09 | Recoverable full film coated nickel-titanium alloy intratracheal rack and its recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032151985U CN2633329Y (en) | 2003-02-09 | 2003-02-09 | Recoverable full film coated nickel-titanium alloy intratracheal rack and its recovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2633329Y true CN2633329Y (en) | 2004-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032151985U Expired - Fee Related CN2633329Y (en) | 2003-02-09 | 2003-02-09 | Recoverable full film coated nickel-titanium alloy intratracheal rack and its recovering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2633329Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103505310A (en) * | 2013-10-12 | 2014-01-15 | 南京微创医学科技有限公司 | Integrated support convenient to recycle and weaving method thereof |
| CN103720530A (en) * | 2014-01-10 | 2014-04-16 | 曹莹莹 | Placing and recovering device of non-memory alloy esophageal stent |
| CN104434352A (en) * | 2014-12-14 | 2015-03-25 | 韩新巍 | Compliant recyclable airway stent and producing method thereof |
| CN107754030A (en) * | 2017-11-22 | 2018-03-06 | 上海中医药大学附属龙华医院 | A kind of self-retaining medicated thread and preparation method thereof |
| CN110831550A (en) * | 2017-07-07 | 2020-02-21 | 株式会社钟化 | Tubular medical instrument and tubular medical instrument transport device |
| CN119607349A (en) * | 2024-11-29 | 2025-03-14 | 华中科技大学同济医学院附属同济医院 | A stent-implantable tracheal tube structure |
-
2003
- 2003-02-09 CN CNU032151985U patent/CN2633329Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103505310A (en) * | 2013-10-12 | 2014-01-15 | 南京微创医学科技有限公司 | Integrated support convenient to recycle and weaving method thereof |
| CN103720530A (en) * | 2014-01-10 | 2014-04-16 | 曹莹莹 | Placing and recovering device of non-memory alloy esophageal stent |
| CN103720530B (en) * | 2014-01-10 | 2016-04-27 | 山东省立医院 | A kind of non-memory alloy Esophageal Stent lays retracting device |
| CN104434352A (en) * | 2014-12-14 | 2015-03-25 | 韩新巍 | Compliant recyclable airway stent and producing method thereof |
| CN110831550A (en) * | 2017-07-07 | 2020-02-21 | 株式会社钟化 | Tubular medical instrument and tubular medical instrument transport device |
| CN110831550B (en) * | 2017-07-07 | 2021-10-22 | 株式会社钟化 | Tubular medical device and tubular medical device delivery device |
| CN107754030A (en) * | 2017-11-22 | 2018-03-06 | 上海中医药大学附属龙华医院 | A kind of self-retaining medicated thread and preparation method thereof |
| CN107754030B (en) * | 2017-11-22 | 2023-07-25 | 上海中医药大学附属龙华医院 | Self-fixing medicine wire and manufacturing method thereof |
| CN119607349A (en) * | 2024-11-29 | 2025-03-14 | 华中科技大学同济医学院附属同济医院 | A stent-implantable tracheal tube structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |