CN105520794B - A kind of interventional therapy conduit guide wire exit openings method for designing - Google Patents
A kind of interventional therapy conduit guide wire exit openings method for designing Download PDFInfo
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- CN105520794B CN105520794B CN201610124297.1A CN201610124297A CN105520794B CN 105520794 B CN105520794 B CN 105520794B CN 201610124297 A CN201610124297 A CN 201610124297A CN 105520794 B CN105520794 B CN 105520794B
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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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- Oral & Maxillofacial Surgery (AREA)
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- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a kind of method for designing of interventional therapy conduit guide wire exit openings：Lumen tube is extended from the lower end side of external-cavity tube, and treated transition conduit is inserted from the opposite side of external-cavity tube lower end；Then by lumen tube lower section insertion protection seal wire, it is ensured that continue to keep clear in part of the lumen tube in external-cavity tube；Binding site to lumen tube, three pipes of external-cavity tube and transition conduit is welded so that the exocoel inside pipe wall of binding site, inner chamber pipe outer wall and transition pipe outer wall is seamless is mutually pasted together；The protection seal wire in lumen tube is extracted out again, and lumen tube is bent into stretching at solder bond, smooth cut is carried out to lumen tube along external-cavity tube junction afterwards, form guide wire exit openings.The present invention not only reduces production technology, also effectively increases conduit and seal wire by performance, seal wire to the introductory and catheter propelling of conduit, has the advantages that production efficiency is high, low production cost.
Description
Technical field
The present invention relates to a kind of guide wire exit openings method for designing, more particularly to a kind of interventional therapy conduit guide wire exit openings design side
Method.
Background technology
In cardiovascular interventional operation, the disease that foley's tube induction system is sent into blood vessel by drug stent is guided by seal wire
Become stenosis, then expandable stent is expanded lesion, can efficiently solve the narrow problem of patient's lesion vesselses.
In surgical procedure, guiding wire is penetrated from the tip of foley's tube induction system, is passed from guide wire exit openings by lumen tube, to whole
The catheter delivery system of individual operation plays rail effect.The method for designing of conventional guide wires outlet is beaten in the side of external-cavity tube
Hole, external-cavity tube is entered by lumen tube from oblique cutting at the punching of external-cavity tube, then carries out welding at guide wire exit openings, then by external-cavity tube right-hand member
Mutually welded with transition conduit, cut off to form guide wire exit openings by unnecessary lumen tube afterwards.This guide wire exit openings method for designing need into
Row secondary welding, has the shortcomings that workload is big, manufacturing process is complicated, low production efficiency.
The content of the invention
In order to solve the weak point existing for above-mentioned technology, the invention provides a kind of interventional therapy conduit guide wire exit openings
Method for designing.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of interventional therapy conduit guide wire exit openings
Method for designing, comprises the following steps：
A, conduit assembling：First the lower end of dilating sacculus is enclosed within external-cavity tube and junction is welded；Again will protection
Seal wire is penetrated into lumen tube, and lumen tube is penetrated from the lower end of external-cavity tube, lumen tube is sequentially passed through external-cavity tube, dilating sacculus
Welding is combined with catheter tip afterwards；Above-mentioned lumen tube is carried out into layback from the lower end side of external-cavity tube；
B, exocoel enlargement of pipe：The above-mentioned conduit for completing assembling is carried out the divergence process of external-cavity tube；First by reamer from outer
The opposite side insertion of lumen lower end, the depth of insertion is 1.5-2.0mm；External-cavity tube is expanded using above-mentioned reamer afterwards
, then reamer is slowly removed from external-cavity tube；
C, transition conduit pretreatment：To the upper end of transition conduit fade the pretreatment in face, forms it into one and inclines and recessed
Sunken side, inclines and passes at the lower end enlarging of the inclination, sinking degree and external-cavity tube (103) of side with lumen tube (104)
Inclination angle degree matches；The length for pre-processing transition conduit is 3.5-4.5mm；Pretreated transition conduit upper surface is shaped as
Crescent；
The pretreatment of d, D type seal wire：D types seal wire was carried out and transition conduit upper end phase before transition conduit is inserted to its upper end
The pretreatment of matching, makes its upper side for the stair-stepping face that fades, so that its upper surface is in " D types "；By above-mentioned pretreatment
D type seal wires afterwards are inserted into transition conduit, then the transition conduit after above-mentioned assembling is inserted into 1.8- in the external-cavity tube after expansion
At 2.0mm, the upper end of D type seal wires is set to be reached in external-cavity tube at 4-5mm by transition conduit, to ensure the transition conduit of insertion external-cavity tube
One end outlet is not shut when being welded under D types protect the protection of seal wire；
The pretreatment of e, silicone tube：Before guide wire exit openings technique is carried out, the protection silicone tube used when first to welding
Cutting process is carried out, its length dimension is matched with the length at external-cavity tube, lumen tube and transition conduit triplicity；Then will
Silicone tube after above-mentioned cutting expands it in being put into frock container with n-hexane immersion treatment, and soak time is 0.2-2.0h；
F, welding：Silicone tube is pulled out and is drained, it is ensured that its before the use surfaces externally and internally no longer carry n-hexane；Then
Silicone tube is inserted in from the lower end of the transition conduit for having penetrated D type seal wires, makes silicone tube that lumen tube, external-cavity tube and transition is completely covered
The binding site of pipe；The above-mentioned conduit for assembling is put into drying unit and is dried, drying temperature is 55-65 °；By above-mentioned drying
Conduit afterwards is put on hot welding equipment, make to have exocoel inside pipe wall, inner chamber pipe outer wall and transition pipe outer wall that silicone tube is covered without
That stitches is welded to each other together, it is ensured that the weld of above-mentioned three pipes occurs the change of matter state at high temperature and then smooth and seamless is consolidated
With reference to；
G, post processing：The silicone tube of welding is extracted with after n-hexane immersion treatment after the completion of above-mentioned welding process；It
Protection seal wire, D types seal wire are extracted out from lumen tube, transition conduit respectively afterwards, lumen tube is turned up in then stretching, and to stretching out exocoel
The smooth excision of the unnecessary lumen tube of pipe, forms guide wire exit openings；The power branch that the upper end of hypotube plays a supportive role will be connected to again
Strut is inserted into transition conduit, and finally hypotube is welded with the junction of transition conduit.
Lumen tube, external-cavity tube, the medical material of transition conduit be nylon elastomer or nylon or makrolon or polyethylene or
Polytetrafluoroethylene (PTFE) or polyvinyl chloride or polypropylene or polystyrene or silicon rubber or polyester or polymethyl methacrylate or poly- ammonia
Ester or natural rubber.
The present invention not only reduces production technology, also effectively increases conduit and passes through performance, seal wire to conduit with seal wire
Introductory and catheter propelling, have the advantages that production efficiency is high, low production cost.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the schematic diagram of the transition conduit insertion external-cavity tube after assembling.
Fig. 3 is the leading flank structural representation of D type seal wires.
Fig. 4 is the pretreated upper surface tooling drawing of transition conduit.
In figure：101st, catheter tip；102nd, dilating sacculus；103rd, external-cavity tube；104th, lumen tube；105th, guide wire exit openings；
106th, motive power bar；107th, transition conduit；108th, hypotube；109th, D types seal wire；110th, seal wire is protected；111st, pressure pipe equipment pipe
Pin；112nd, pressure surface plate.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of interventional therapy conduit guide wire exit openings structure includes dilating sacculus 102, lumen tube 104, exocoel
Pipe 103, transition conduit 107；The upper end of dilating sacculus 102 is mutually welded with catheter tip 101, lower end is nested with external-cavity tube 103；It is interior
Lumen 104 is plugged in external-cavity tube 103 and dilating sacculus 102；
The lower end of external-cavity tube 103 is nested with transition conduit 107；Mutually welded with hypotube 108 lower end of transition conduit 107；Sea
The upper end of wave duct 108 is provided with motive power bar 106；Motive power bar 106 is plugged on inside the lower end of transition conduit 107；
The lower end of lumen tube 104 is tilted to the right to pass and bend again formation guide wire exit openings 105 after excision；The upper end of transition conduit 107
A side be the curved surface for inclining and being recessed, the sinking degree of curved surface and the outer wall of lumen tube 104 or external-cavity tube 103 it is interior
The shape of wall matches.
The upper end of transition conduit 107 is provided with transition opening with lumen tube 104, the junction of external-cavity tube 103.
The method for designing of interventional therapy conduit guide wire exit openings is：Lumen tube 104 extend from the lower end side of external-cavity tube 103 and
Go out, treated transition conduit 107 is inserted from the opposite side of the lower end of external-cavity tube 103；Then the insertion of the lower section of lumen tube 104 is protected
Protect and lead silk 110, it is ensured that continue to keep clear in part of the lumen tube 104 in external-cavity tube 103；To lumen tube 104, external-cavity tube 103
And the binding site of 107 3 pipes of transition conduit is welded so that outside the inwall of external-cavity tube 103 of binding site, lumen tube 104
Wall and the outer wall seamless of transition conduit 107 are mutually pasted together；The protection seal wire 110 in lumen tube 104 is extracted out again, and in weldering
Connect junction and lumen tube 104 is bent into stretching, smooth cut, shape are carried out to lumen tube 104 along the junction of external-cavity tube 103 afterwards
Into guide wire exit openings 105；
The specific design step of interventional therapy conduit guide wire exit openings is as follows：
A, conduit assembling：First the lower end of dilating sacculus 102 is enclosed within external-cavity tube 103 and junction is welded；Again
Will protection seal wire 110 penetrate into lumen tube 104, lumen tube 104 is penetrated from the lower end of external-cavity tube 103, make lumen tube 104 according to
It is secondary through being combined welding with catheter tip 101 after external-cavity tube 103, dilating sacculus 102；By above-mentioned lumen tube 104 from outer
The lower end side of lumen 103 carries out layback；
B, exocoel enlargement of pipe：The above-mentioned conduit for completing assembling is carried out the divergence process of external-cavity tube 103, as shown in Figure 2；First
Reamer is inserted from the opposite side of the lower end of external-cavity tube 103, the depth of insertion is 1.5-2.0mm；It is external using reamer afterwards
Lumen 103 is expanded, then reamer is carefully slowly removed from external-cavity tube 103, it is ensured that expand extended region be not damaged,
Without scuffing and hole；
C, transition conduit pretreatment：Faded the pretreatment in face as shown in Figure 2 to the upper end of transition conduit 107, is formed it into
One side for inclining and being recessed, at the lower end enlarging of the inclination, sinking degree and external-cavity tube (103) of side and lumen tube
(104) the inclination angle degree for passing is inclined to match；The length for pre-processing transition conduit 107 is 3.5-4.5mm；Pretreated mistake
That crosses the upper surface of pipe 107 is shaped as crescent, as shown in Figure 4；
The pretreatment of d, D type seal wire：D types seal wire 109 was equally carried out before transition conduit 107 is inserted to its upper side
Fade the pretreatment in face；With the upper side of transition conduit 107 except that, the upper side of D types seal wire 109 makees stepped place
Reason, and without depression, its upper surface is in " D types ", as shown in Figure 3；The matching of pretreated D types seal wire 109 was inserted into
Cross in pipe 107, then the transition conduit 107 after above-mentioned assembling is inserted into the external-cavity tube 103 after expansion at 1.8-2.0mm, make D types
The upper end of seal wire 109 is reached in external-cavity tube 103 at 4-5mm by transition conduit 107, to ensure the transition conduit of insertion external-cavity tube 103
The outlet of 107 one end is not shut when being welded under D types protect the protection of seal wire；The step-like design of the side of D types seal wire 109 is convenient
It is more efficiently inserted into external-cavity tube 103；
The pretreatment of e, silicone tube：Before guide wire exit openings technique is carried out, the protection silicone tube used when first to welding
Carry out cutting process, make its length dimension respectively with external-cavity tube 103, lumen tube 104 and the triplicity of transition conduit 107 at length
Match；Then silicone tube is put into frock container expands it with n-hexane immersion treatment, and soak time is 0.2-2.0h；
F, welding：Silicone tube is pulled out and is drained, it is ensured that its before the use surfaces externally and internally no longer carry n-hexane；Then
Silicone tube is inserted in from the lower end of the transition conduit 107 for having penetrated D types seal wire 109, makes silicone tube that lumen tube 104, exocoel is completely covered
The binding site of pipe 103 and transition conduit 107；The above-mentioned conduit for assembling is put into drying unit and is dried, drying temperature is
55-65°；Conduit after above-mentioned drying is put on hot welding equipment, makes the inwall of external-cavity tube 103, the inner chamber that there is silicone tube to cover
Together with being welded to each other of the outer wall of pipe 104 and the outer wall seamless of transition conduit 107, it is ensured that the weld of above-mentioned three pipes is sent out at high temperature
The change of raw matter state and then the firm combination of smooth and seamless；
G, post processing：The silicone tube of welding is extracted with after n-hexane immersion treatment after the completion of above-mentioned welding process；It
Protection seal wire 110, D types seal wire 109 are extracted out from lumen tube 104, transition conduit 107 respectively afterwards, lumen tube is turned up in then stretching
104, and to stretching out the smooth excision of the unnecessary lumen tube 104 of external-cavity tube 103, form guide wire exit openings 105；Hypotube will be connected to again
The motive power bar 106 that 108 upper end plays a supportive role is inserted into transition conduit 107, finally to hypotube 108 and transition conduit
Welded 107 junction.
Lumen tube 104, external-cavity tube 103, the medical material of transition conduit 107 are pebax (nylon elastomer) or nylon or poly-
Carbonic ester or polyethylene or polytetrafluoroethylene (PTFE) or polyvinyl chloride or polypropylene or polystyrene or silicon rubber or polyester or poly- methyl
Methacrylate or polyurethane or natural rubber.
The present invention is compared with the traditional guide wire exit openings method for designing in this area, is had the advantage that：
(1) directly lumen tube is pulled out from exocoel pipe end, it is no longer necessary to external-cavity tube a side perforating so as to lumen tube
Pass, save the operating time；
(2), realize that a step is welded at lumen tube, external-cavity tube and transition conduit triplicity, go out relative to traditional seal wire
The erecting and welding for carrying out transition conduit again has been welded at mouthful, a step welding procedure has been reduced；
(3), the guide wire exit openings of present invention treatment are guiding sacculus relative to the guide wire exit openings that the mode of tradition punching is processed
It is more smooth when catheter delivery system, conduit can be significantly improved and pass through performance and catheter propelling performance with seal wire；
(4) welding that conduit is assembled place, is carried out using thermal weld technique, its speed of welding swashs apparently higher than traditional
Photocoagulation, significantly improves operating efficiency.
Above-mentioned implementation method is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
Change, remodeling, addition or replacement that the technical staff in domain is made in the range of technical scheme, also belong to this hair
Bright protection domain.
Claims (2)
1. a kind of interventional therapy conduit guide wire exit openings method for designing, it is characterised in that：The method for designing is comprised the following steps：
A, conduit assembling：First the lower end of dilating sacculus (102) is enclosed within external-cavity tube (103) and junction is welded；Again
Protection seal wire (110) is penetrated into lumen tube (104), lumen tube (104) is penetrated from the lower end of external-cavity tube (103), made interior
Lumen (104) is combined welding after sequentially passing through external-cavity tube (103), dilating sacculus (102) with catheter tip (101)；Will
Above-mentioned lumen tube (104) carries out layback from the lower end side of external-cavity tube (103)；
B, exocoel enlargement of pipe：The above-mentioned conduit for completing assembling is carried out the divergence process of external-cavity tube (103)；First by reamer from outer
The opposite side insertion of lumen (103) lower end, the depth of insertion is 1.5-2.0mm；Afterwards using above-mentioned reamer to external-cavity tube
(103) expanded, then reamer is slowly removed from external-cavity tube (103)；
C, transition conduit pretreatment：To the upper end of transition conduit (107) fade the pretreatment in face, forms it into one and inclines and recessed
Sunken side, inclines and passes at the lower end enlarging of the inclination, sinking degree and external-cavity tube (103) of side with lumen tube (104)
Inclination angle degree matches；The length of pretreatment transition conduit (107) is 3.5-4.5mm；Pretreated transition conduit (107) upper end
Face is shaped as crescent；
The pretreatment of d, D type seal wire：D types seal wire (109) were carried out and transition conduit before insertion transition conduit (107) to its upper end
(107) pretreatment that upper end matches, makes its upper side for the stair-stepping face that fades, so that its upper surface is in " D types "；Will
Above-mentioned pretreated D types seal wire (109) is inserted into transition conduit (107), then the transition conduit (107) after above-mentioned assembling is inserted
At external-cavity tube (103) interior 1.8-2.0mm after to expansion, the upper end of D types seal wire (109) is set to be reached outward by transition conduit (107)
At lumen (103) interior 4-5mm, to ensure transition conduit (107) one end outlet for inserting external-cavity tube (103) in D types protection seal wire
Do not shut during welding under protection；
The pretreatment of e, silicone tube：Before guide wire exit openings technique is carried out, the protection silicone tube used when first to welding is carried out
Cutting process, makes the length phase at its length dimension and external-cavity tube (103), lumen tube (104) and transition conduit (107) triplicity
Matching；Then the silicone tube after above-mentioned cutting is put into frock container expands it with n-hexane immersion treatment, soak time
It is 0.2-2.0h；
F, welding：Silicone tube is pulled out and is drained, it is ensured that its before the use surfaces externally and internally no longer carry n-hexane；Then from
Silicone tube is inserted in the lower end for penetrating the transition conduit (107) of D types seal wire (109), makes silicone tube that lumen tube (104), outer is completely covered
The binding site of lumen (103) and transition conduit (107)；The above-mentioned conduit for assembling is put into drying unit and is dried, drying
Temperature is 55-65 °；Conduit after above-mentioned drying is put on hot welding equipment, makes the external-cavity tube (103) for thering is silicone tube to cover interior
Together with being welded to each other of wall, lumen tube (104) outer wall and transition conduit (107) outer wall seamless, it is ensured that external-cavity tube (103), inner chamber
There is the change of matter state and then the firm combination of smooth and seamless at high temperature in the weld of pipe (104) and (107) three pipes of transition conduit；
G, post processing：The silicone tube of welding is extracted with after n-hexane immersion treatment after the completion of above-mentioned welding process；Afterwards will
Protection seal wire (110), D types seal wire (109) are extracted out from lumen tube (104), transition conduit (107) respectively, and then stretching is turned up interior
Lumen (104), and to stretching out the smooth excision of the unnecessary lumen tube (104) of external-cavity tube (103), form guide wire exit openings (105)；Again will
The motive power bar (106) that the upper end of hypotube (108) plays a supportive role is connected to be inserted into transition conduit (107), it is finally right
Hypotube (108) is welded with the junction of transition conduit (107).
2. interventional therapy conduit guide wire exit openings method for designing according to claim 1, it is characterised in that：The lumen tube
(104), external-cavity tube (103), the medical material of transition conduit (107) be nylon elastomer or nylon or makrolon or polyethylene or
Polytetrafluoroethylene (PTFE) or polyvinyl chloride or polypropylene or polystyrene or silicon rubber or polyester or polymethyl methacrylate or poly- ammonia
Ester or natural rubber.
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| CN201610124297.1A CN105520794B (en) | 2016-03-04 | 2016-03-04 | A kind of interventional therapy conduit guide wire exit openings method for designing |
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|---|---|---|---|
| CN201610124297.1A CN105520794B (en) | 2016-03-04 | 2016-03-04 | A kind of interventional therapy conduit guide wire exit openings method for designing |
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| CN105520794B true CN105520794B (en) | 2017-06-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107823778B (en) * | 2017-12-13 | 2020-05-01 | 山东吉威医疗制品有限公司 | Reworking method for balloon catheter guide wire outlet |
| CN108744233A (en) * | 2018-06-28 | 2018-11-06 | 山东吉威医疗制品有限公司 | A kind of medicine balloon dilating catheter and its technique |
| CN110666461B (en) * | 2019-10-21 | 2021-02-19 | 运怡（北京）医疗器械有限公司 | Processing method of metal guide wire |
| CN111110414B (en) * | 2019-12-06 | 2022-01-04 | 先健科技(深圳)有限公司 | Implant system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU9458398A (en) * | 1997-10-08 | 1999-04-27 | Kaneka Corporation | Balloon catheter and method of production thereof |
| US8318078B2 (en) * | 2003-06-23 | 2012-11-27 | Boston Scientific Scimed, Inc. | Asymmetric stent delivery system with proximal edge protection and method of manufacture thereof |
| JP4426430B2 (en) * | 2004-12-15 | 2010-03-03 | 日東電工株式会社 | Catheter and manufacturing method thereof |
| JP5500924B2 (en) * | 2009-09-17 | 2014-05-21 | 朝日インテック株式会社 | Medical guide wire and manufacturing method thereof |
| CN102488955B (en) * | 2011-12-07 | 2013-06-05 | 湖南埃普特医疗器械有限公司 | Balloon guide catheter, and preparation method thereof |
| CN103055411B (en) * | 2013-01-25 | 2014-03-12 | 业聚医疗器械(深圳)有限公司 | Balloon catheter and manufacturing method thereof |
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