CN202538132U - Snakelike intracavitary catheter - Google Patents
Snakelike intracavitary catheter Download PDFInfo
- Publication number
- CN202538132U CN202538132U CN2012200373111U CN201220037311U CN202538132U CN 202538132 U CN202538132 U CN 202538132U CN 2012200373111 U CN2012200373111 U CN 2012200373111U CN 201220037311 U CN201220037311 U CN 201220037311U CN 202538132 U CN202538132 U CN 202538132U
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- snakelike
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Abstract
The utility model relates to a snakelike intracavitary catheter, which is favorable for conveying a carrier in interventional therapy to a complicated intracavitary specified position. The catheter is characterized in that a catheter body comprises a catheter body front end and a catheter body rear section connected with an operating device; and a deformation section catheter body with preset shape change is arranged between the catheter body front end and the catheter body rear section.
Description
Technical field
This utility model relates to the intervention therapeutic apparatus technology of biomedical engineering, particularly a kind of snakelike intraluminal catheter.The said snakelike interposing catheter that is meant this intraluminal catheter as interventional therapy, its body has a deformation section, and said deformation section can have as the same change of shape flexibly of reptile Serpentis characteristic according to preset change of shape.Said conduit helps the carrier in its interventional therapy is delivered to the comparatively complicated assigned address of intracavity.
Background technology
Interventional therapy belongs to the invasive operation, observes through long-term lots of clinical, proves a kind of very effective treatment means.Yet the design of its interposing catheter and the limitation of technical elements make its range of application and therapeutic effect receive very big restriction.The inventor thinks that the interposing catheter that development has bigger motility has extremely important using value for the expanded range of interventional therapy and the lifting of therapeutic effect.
The utility model content
This utility model is to the defective or the deficiency that exist in the prior art; A kind of snakelike intraluminal catheter is provided; The said snakelike interposing catheter that is meant this intraluminal catheter as interventional therapy; Its body has a deformation section, and said deformation section can have as the same change of shape flexibly of reptile Serpentis characteristic according to preset change of shape.Said conduit helps the carrier in its interventional therapy is delivered to the comparatively complicated assigned address of intracavity.
The technical scheme of this utility model is following:
Snakelike intraluminal catheter comprises catheter tube, it is characterized in that, said catheter tube comprises body front end and the body back segment that is connected manipulation device, is the deformation section body of having preset change of shape between said body front end and said body back segment.
The external diameter of said catheter tube is 0.005mm～5mm; The length of said catheter tube is 0.1cm～150cm.
Said manipulation device connects interventional therapy implements interface, and said interventional therapy implements interface connection is a kind of with lower device: radio-frequency unit, microwave device, focus ultrasonic device; Superconducting device, plasma apparatus, current device; Magnetic field device, freezing device, radioactivity energy device; Said catheter tube is used to carry a kind of of following implements: electrode, pressure transducer, chemical sensor, temperature sensor, focus ultrasonic type probe, gene, cell, tissue, bioactive substance, radioactive substance, medicine.
The said c-shaped variation body of deformation section body of having preset change of shape or S-shaped variation body or undulate change body or are 8 fonts and change body.
The said deformation section body of having preset change of shape changes body twist or is Z-shaped variation body or L-shaped variation body or rounded variation body or ovalize variation body or semicircular in shape variation body.
Said preset the deformation section body variation body spherical in shape of change of shape or be elliposoidal change body or cylindrical variation body or be the conical body that changes.
The said deformation section body of having preset change of shape is beading deformation body or is laemodipodiform variation body; Said beading deformation body comprises the pole portion between several spherical portions and the adjacent spherical portion; Said laemodipodiform changes body and comprises the pole portion between several cylindrical portion and the adjacent cylindrical portion.
The said deformation section body of having preset change of shape is sleeve-shaped and changes body, and said sleeve-shaped changes body and comprises belled successively outer tube, middle pipe and interior pipe, and the tube wall of said outer tube, middle pipe and interior pipe is provided with the hole.
The material of said catheter tube adopts a kind of of following material: thermoplastic elastomer (s), polyurethane, politef, nylon, polyethylene, polrvinyl chloride, polyester, noble metal, ti-ni shape memory alloy, cochrome, titanium alloy, 316L rustless steel, degradation material.
Said catheter tube is hollow pipeline structure or solid wire structure; The catheter tube of said hollow pipeline structure is provided with porose at body front end and/or catheter tube side.
The technique effect of this utility model is following:
The snakelike intraluminal catheter of this utility model; It is as the interposing catheter of interventional therapy in the invasive operation; Its body has a deformation section; Said deformation section can have as the same change of shape flexibly of reptile Serpentis characteristic according to preset change of shape, makes that conduit helps the carrier in its interventional therapy is delivered to the comparatively complicated assigned address of intracavity.For example, the snakelike intraluminal catheter of this utility model can be used as medical apparatus and instruments and is used for following treatment: block nerves; Be used for the blocking-up of renal artery sympathetic plexus; Treatment to early stage solid tumor; The barrier treatment of heart and nervous system pathway; Treatment that lumen property is narrow and the treatment of removing thrombosis.
Description of drawings
Fig. 1 is snakelike intraluminal catheter the 1st Embodiment C shape pipe structure sketch map.
Fig. 2 is snakelike intraluminal catheter the 2nd embodiment spiral element body structure sketch map.
Fig. 3 is snakelike intraluminal catheter the 3rd embodiment S shape pipe structure sketch map.
Fig. 4 is snakelike intraluminal catheter the 4th embodiment beading shape pipe structure sketch map.
Fig. 5 is snakelike intraluminal catheter the 5th embodiment waveform pipe structure sketch map.
Fig. 6 is snakelike intraluminal catheter the 6th embodiment zigzag thbe body structure sketch map.
Fig. 7 is snakelike intraluminal catheter the 7th embodiment sleeve-shaped pipe structure sketch map.
Fig. 8 is snakelike intraluminal catheter the 8th embodiment 8 font pipe structure sketch maps.
Fig. 9 is snakelike intraluminal catheter the 9th embodiment laemodipodiform pipe structure sketch map.
Figure 10 is snakelike intraluminal catheter the 10th embodiment bulb tube body structure sketch map.
Figure 11 is the L shaped pipe structure sketch map of snakelike intraluminal catheter the 11st embodiment.
Reference numeral is listed as follows:
1-interventional therapy implements interface; The 2-manipulation device; 3-body back segment; 4-body front end; 5-deformation section C shape body; 6-deformation section S shape body; 7-deformation section waveform body; 8-deformation section 8 font bodys; The spherical body of 9-deformation section; 10-deformation section spiral type body; The spherical portion of 11-deformation section beading shape body; The pole portion of 12-deformation section beading shape body; 13-deformation section zigzag thbe body; 14-deformation section sleeve-shaped body; The cylindrical portion of 15-deformation section laemodipodiform body; The pole portion of 16-deformation section laemodipodiform body; The L shaped body of 17-deformation section; The 18-hole; The interior pipe of 19-deformation section sleeve-shaped body; The middle pipe of 20-deformation section sleeve-shaped body; The outer tube of 21-deformation section sleeve-shaped body.
The specific embodiment
Below in conjunction with accompanying drawing (Fig. 1-Figure 11) this utility model is described.
Like Fig. 1-shown in Figure 11, snakelike intraluminal catheter comprises catheter tube, and said catheter tube comprises body front end 4 and the body back segment 3 that is connected manipulation device 2, is the deformation section body of having preset change of shape between said body front end 4 and said body back segment 3.The external diameter of said catheter tube is 0.005mm～5mm; The length of said catheter tube is 0.1cm～150cm.Said manipulation device 2 connects interventional therapy implements interface 1, and said interventional therapy implements interface 1 connection is a kind of with lower device: radio-frequency unit, microwave device, focus ultrasonic device; Superconducting device, plasma apparatus, current device; Magnetic field device, freezing device, radioactivity energy device; Said catheter tube is used to carry a kind of of following implements: electrode, pressure transducer, chemical sensor, temperature sensor, focus ultrasonic type probe, gene, cell, tissue, bioactive substance, radioactive substance, medicine.The said c-shaped variation body of deformation section body of having preset change of shape is like Fig. 1; Or S-shaped variation body, like Fig. 3; Or undulate variation body, like Fig. 5; Or be 8 fonts variation body, like Fig. 8.The said deformation section body of having preset change of shape changes body twist, like Fig. 2; Or be Z-shaped variation body, like Fig. 6; Or L-shaped variation body, like Figure 11; Or rounded variation body or ovalize variation body or semicircular in shape variation body.The said deformation section body variation body spherical in shape of having preset change of shape is like Figure 10; Or be elliposoidal variation body or cylindrical variation body or be the conical body that changes.The said deformation section body of having preset change of shape is beading deformation body, like Fig. 4; Or be laemodipodiform variation body, like Fig. 9; Said beading deformation body comprises the pole portion 12 between several spherical portions 11 and the adjacent spherical portion; Said laemodipodiform changes body and comprises the pole portion 16 between several cylindrical portion 15 and the adjacent cylindrical portion.The said deformation section body of having preset change of shape is sleeve-shaped and changes body, and like Fig. 7, said sleeve-shaped changes body and comprises belled successively outer tube 21, middle pipe 20 and interior pipe 19, and the tube wall of said outer tube 21, middle pipe 20 and interior pipe 19 is provided with hole 18.The material of said catheter tube adopts a kind of of following material: thermoplastic elastomer (s), polyurethane, politef, nylon; Polyethylene, polrvinyl chloride, polyester, noble metal; Ti-ni shape memory alloy, cochrome, titanium alloy; The 316L rustless steel (316L is meant the stainless steel model, and its corresponding material trademark has: 00Cr17Ni12Mo2), and degradation material.Said catheter tube is hollow pipeline structure or solid wire structure, in medical field, directly snakelike intraluminal catheter is called snakelike intracavity seal wire for the solid wire structure; The catheter tube of said hollow pipeline structure is provided with porose at body front end and/or catheter tube side.Can realize that for example memorial alloy just can be realized the memory for shape through prior art processes about the preset of change of shape.For memorial alloy deformation section body,, and under cavity temperature, revert to the curve attitude in room temperature or the following temperature of room temperature attitude linearly.For elastomeric material deformation section body; Also can utilize its recovery of shape function to realize change of shape,, carry out an external force constraint for example for the given shape that presets; For example adhesion etc.; Become a simple shape such as straight line etc., treat its get into intracavity after external force discharge, revert to the given shape that presets.For flexible material deformation section body, can realize change of shape through aerating gasbag.For the spatial variations or the motion of deformation section tubular form, can also realize through the operation of operating means.In a word; The snakelike intraluminal catheter of this utility model belongs to the interposing catheter of interventional therapy in the invasive operation; Generally belong to micro-scale, preset various variations that the deformation section body of change of shape appeared among Fig. 1-Figure 11 and belonged to and exaggerated the schematic representation of deformation characteristics.
The snakelike intraluminal catheter of this utility model can promote the motility of interposing catheter operation and the effectiveness of treatment; Meet biomechanical principle; Meet bionic method for designing; Belong to a kind of activity as the same conduit flexibly of reptile Serpentis, characteristics are following: 1. shape: c shape, L shaped, s shape, z shape, 8 fonts, spiral type, waveform, sleeve-shaped, beading shape, annular, sphere, circle, semicircle, cylindrical, conical, elliposoidal and ring shape.Catheter proximal end is wire and tubulose.Can be divided into porose and two kinds of atresias, wherein porose conduit can be 1 hole, 2 holes, 3 holes and porous; The position in hole can be in front end and side; Be rule and irregular distribution.Rear end of conduit can link to each other with stick, and the interface of rear end is a standard interface.Can be connected with equipment such as radio frequency, microwave, focus ultrasonics.2. caliber: 0.005mm～5mm.3. length: 0.1cm～150cm.4. material: thermoplastic elastomer (s), polyurethane, politef and alloy, nylon, polyethylene, polrvinyl chloride, polyester, noble metal, ti-ni shape memory alloy, cochrome, titanium alloy, 316L rustless steel and degradation material.5. motion mode: press the three-dimensional space direction motion: front and back prolong and shorten; About, move up and down freely; Volume expands in proportion and dwindles; Rotate by 20 degree to 360 degree; But creeping motion type moves.6. conduct energy type: radio frequency, microwave, focus ultrasonic, superconduction, plasma, electric current, magnetic field, freezing and radioactivity energy.7. attachment device: the common carrier that this serpentine duct belongs to interventional therapy can carry electrode, pick off (pressure transducer, chemical sensor, temperature sensor), focus ultrasonic type probe, other treatment property probe, gene, cell, tissue, bioactive substance, radioactive substance and medicine.8. range of application: block nerves: be used for the blocking-up of renal artery sympathetic plexus; Treatment to early stage solid tumor; The barrier treatment of heart and nervous system pathway; Treatment that lumen property is narrow and the treatment of removing thrombosis.
Indicate at this, more than narration helps it will be apparent to those skilled in the art that the invention, but and the protection domain of unrestricted the invention.Any do not break away from the invention flesh and blood to being equal to replacement, modify improving and/or deleting numerous conforming to the principle of simplicity and the enforcement carried out of above narration, all fall into the protection domain of the invention.
Claims (10)
1. snakelike intraluminal catheter comprises catheter tube, it is characterized in that, said catheter tube comprises body front end and the body back segment that is connected manipulation device, is the deformation section body of having preset change of shape between said body front end and said body back segment.
2. snakelike intraluminal catheter according to claim 1 is characterized in that, the external diameter of said catheter tube is 0.005mm～5mm; The length of said catheter tube is 0.1cm～150cm.
3. snakelike intraluminal catheter according to claim 1 is characterized in that, said manipulation device connects interventional therapy implements interface; Said interventional therapy implements interface connection is a kind of with lower device: radio-frequency unit, microwave device, focus ultrasonic device; Superconducting device, plasma apparatus, current device; Magnetic field device, freezing device, radioactivity energy device; Said catheter tube is used to carry a kind of of following implements: electrode, pressure transducer, chemical sensor, temperature sensor, focus ultrasonic type probe, gene, cell, tissue, bioactive substance, radioactive substance, medicine.
4. snakelike intraluminal catheter according to claim 1 is characterized in that, the said c-shaped variation body of deformation section body of having preset change of shape or S-shaped variation body or undulate change body or are 8 fonts and change body.
5. snakelike intraluminal catheter according to claim 1; It is characterized in that the said deformation section body of having preset change of shape changes body twist or is Z-shaped variation body or L-shaped variation body or rounded variation body or ovalize variation body or semicircular in shape variation body.
6. snakelike intraluminal catheter according to claim 1 is characterized in that, said preset the deformation section body variation body spherical in shape of change of shape or be elliposoidal change body or cylindrical variation body or be the conical body that changes.
7. snakelike intraluminal catheter according to claim 1 is characterized in that, the said deformation section body of having preset change of shape is beading deformation body or is laemodipodiform variation body; Said beading deformation body comprises the pole portion between several spherical portions and the adjacent spherical portion; Said laemodipodiform changes body and comprises the pole portion between several cylindrical portion and the adjacent cylindrical portion.
8. snakelike intraluminal catheter according to claim 1; It is characterized in that; The said deformation section body of having preset change of shape is sleeve-shaped and changes body, and said sleeve-shaped changes body and comprises belled successively outer tube, middle pipe and interior pipe, and the tube wall of said outer tube, middle pipe and interior pipe is provided with the hole.
9. snakelike intraluminal catheter according to claim 1 is characterized in that, the material of said catheter tube adopts a kind of of following material: thermoplastic elastomer (s), polyurethane; Politef, nylon, polyethylene, polrvinyl chloride; Polyester, noble metal, ti-ni shape memory alloy, cochrome; Titanium alloy, 316L rustless steel, degradation material.
10. snakelike intraluminal catheter according to claim 1 is characterized in that, said catheter tube is hollow pipeline structure or solid wire structure; The catheter tube of said hollow pipeline structure is provided with porose at body front end and/or catheter tube side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200373111U CN202538132U (en) | 2012-02-06 | 2012-02-06 | Snakelike intracavitary catheter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200373111U CN202538132U (en) | 2012-02-06 | 2012-02-06 | Snakelike intracavitary catheter |
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| CN202538132U true CN202538132U (en) | 2012-11-21 |
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| CN2012200373111U Expired - Fee Related CN202538132U (en) | 2012-02-06 | 2012-02-06 | Snakelike intracavitary catheter |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8774913B2 (en) | 2002-04-08 | 2014-07-08 | Medtronic Ardian Luxembourg S.A.R.L. | Methods and apparatus for intravasculary-induced neuromodulation |
| US8834464B2 (en) | 1999-04-05 | 2014-09-16 | Mark T. Stewart | Ablation catheters and associated systems and methods |
| US8888773B2 (en) | 2012-05-11 | 2014-11-18 | Medtronic Ardian Luxembourg S.A.R.L. | Multi-electrode catheter assemblies for renal neuromodulation and associated systems and methods |
| US8934978B2 (en) | 2002-04-08 | 2015-01-13 | Medtronic Ardian Luxembourg S.A.R.L. | Methods and apparatus for renal neuromodulation |
| US8956352B2 (en) | 2010-10-25 | 2015-02-17 | Medtronic Ardian Luxembourg S.A.R.L. | Catheter apparatuses having multi-electrode arrays for renal neuromodulation and associated systems and methods |
| US9095321B2 (en) | 2012-11-21 | 2015-08-04 | Medtronic Ardian Luxembourg S.A.R.L. | Cryotherapeutic devices having integral multi-helical balloons and methods of making the same |
| US9179974B2 (en) | 2013-03-15 | 2015-11-10 | Medtronic Ardian Luxembourg S.A.R.L. | Helical push wire electrode |
| GB2532212A (en) * | 2014-11-11 | 2016-05-18 | Lindsey Denman Clive | Urinary catheter |
| US9707035B2 (en) | 2002-04-08 | 2017-07-18 | Medtronic Ardian Luxembourg S.A.R.L. | Methods for catheter-based renal neuromodulation |
| US10736690B2 (en) | 2014-04-24 | 2020-08-11 | Medtronic Ardian Luxembourg S.A.R.L. | Neuromodulation catheters and associated systems and methods |
| CN113577517A (en) * | 2021-08-20 | 2021-11-02 | 中国医科大学附属盛京医院 | Three-cavity flushing drainage tube for multiple-atrial-type liver abscess |
| US11213678B2 (en) | 2013-09-09 | 2022-01-04 | Medtronic Ardian Luxembourg S.A.R.L. | Method of manufacturing a medical device for neuromodulation |
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2012
- 2012-02-06 CN CN2012200373111U patent/CN202538132U/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9554848B2 (en) | 1999-04-05 | 2017-01-31 | Medtronic, Inc. | Ablation catheters and associated systems and methods |
| US8834464B2 (en) | 1999-04-05 | 2014-09-16 | Mark T. Stewart | Ablation catheters and associated systems and methods |
| US8934978B2 (en) | 2002-04-08 | 2015-01-13 | Medtronic Ardian Luxembourg S.A.R.L. | Methods and apparatus for renal neuromodulation |
| US8774913B2 (en) | 2002-04-08 | 2014-07-08 | Medtronic Ardian Luxembourg S.A.R.L. | Methods and apparatus for intravasculary-induced neuromodulation |
| US9707035B2 (en) | 2002-04-08 | 2017-07-18 | Medtronic Ardian Luxembourg S.A.R.L. | Methods for catheter-based renal neuromodulation |
| US9289255B2 (en) | 2002-04-08 | 2016-03-22 | Medtronic Ardian Luxembourg S.A.R.L. | Methods and apparatus for renal neuromodulation |
| US9675413B2 (en) | 2002-04-08 | 2017-06-13 | Medtronic Ardian Luxembourg S.A.R.L. | Methods and apparatus for renal neuromodulation |
| US11116572B2 (en) | 2010-10-25 | 2021-09-14 | Medtronic Ardian Luxembourg S.A.R.L. | Catheter apparatuses having multi-electrode arrays for renal neuromodulation and associated systems and methods |
| US8956352B2 (en) | 2010-10-25 | 2015-02-17 | Medtronic Ardian Luxembourg S.A.R.L. | Catheter apparatuses having multi-electrode arrays for renal neuromodulation and associated systems and methods |
| US8998894B2 (en) | 2010-10-25 | 2015-04-07 | Medtronic Ardian Luxembourg S.A.R.L. | Catheter apparatuses having multi-electrode arrays for renal neuromodulation and associated systems and methods |
| US10076382B2 (en) | 2010-10-25 | 2018-09-18 | Medtronic Ardian Luxembourg S.A.R.L. | Catheter apparatuses having multi-electrode arrays for renal neuromodulation and associated systems and methods |
| US10512504B2 (en) | 2012-05-11 | 2019-12-24 | Medtronic Ardian Luxembourg S.A.R.L. | Multi-electrode catheter assemblies for renal neuromodulation and associated systems and methods |
| US8888773B2 (en) | 2012-05-11 | 2014-11-18 | Medtronic Ardian Luxembourg S.A.R.L. | Multi-electrode catheter assemblies for renal neuromodulation and associated systems and methods |
| US9452017B2 (en) | 2012-05-11 | 2016-09-27 | Medtronic Ardian Luxembourg S.A.R.L. | Multi-electrode catheter assemblies for renal neuromodulation and associated systems and methods |
| US9138292B2 (en) | 2012-05-11 | 2015-09-22 | Medtronic Ardian Luxembourg S.A.R.L. | Multi-electrode catheter assemblies for renal neuromodulation and associated systems and methods |
| US9855096B2 (en) | 2012-05-11 | 2018-01-02 | Medtronic Ardian Luxembourg S.A.R.L. | Multi-electrode catheter assemblies for renal neuromodulation and associated systems and methods |
| US9095321B2 (en) | 2012-11-21 | 2015-08-04 | Medtronic Ardian Luxembourg S.A.R.L. | Cryotherapeutic devices having integral multi-helical balloons and methods of making the same |
| US9888961B2 (en) | 2013-03-15 | 2018-02-13 | Medtronic Ardian Luxembourg S.A.R.L. | Helical push wire electrode |
| US9179974B2 (en) | 2013-03-15 | 2015-11-10 | Medtronic Ardian Luxembourg S.A.R.L. | Helical push wire electrode |
| US10792098B2 (en) | 2013-03-15 | 2020-10-06 | Medtronic Ardian Luxembourg S.A.R.L. | Helical push wire electrode |
| US11213678B2 (en) | 2013-09-09 | 2022-01-04 | Medtronic Ardian Luxembourg S.A.R.L. | Method of manufacturing a medical device for neuromodulation |
| US10736690B2 (en) | 2014-04-24 | 2020-08-11 | Medtronic Ardian Luxembourg S.A.R.L. | Neuromodulation catheters and associated systems and methods |
| US11464563B2 (en) | 2014-04-24 | 2022-10-11 | Medtronic Ardian Luxembourg S.A.R.L. | Neuromodulation catheters and associated systems and methods |
| GB2532212A (en) * | 2014-11-11 | 2016-05-18 | Lindsey Denman Clive | Urinary catheter |
| CN113577517A (en) * | 2021-08-20 | 2021-11-02 | 中国医科大学附属盛京医院 | Three-cavity flushing drainage tube for multiple-atrial-type liver abscess |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150206 |
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| EXPY | Termination of patent right or utility model |