CN202537649U - Intracavity catheter with global location function - Google Patents

Intracavity catheter with global location function Download PDF

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Publication number
CN202537649U
CN202537649U CN2012201492298U CN201220149229U CN202537649U CN 202537649 U CN202537649 U CN 202537649U CN 2012201492298 U CN2012201492298 U CN 2012201492298U CN 201220149229 U CN201220149229 U CN 201220149229U CN 202537649 U CN202537649 U CN 202537649U
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CN
China
Prior art keywords
universe
chamber inner
positioning chamber
inner catheter
deformation section
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN2012201492298U
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Chinese (zh)
Inventor
幸原
张建军
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BEIJING ZHONGFU YOUXIN MEDICAL TECHNOLOGY Co Ltd
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BEIJING ZHONGFU YOUXIN MEDICAL TECHNOLOGY Co Ltd
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Priority to CN2012201492298U priority Critical patent/CN202537649U/en
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Publication of CN202537649U publication Critical patent/CN202537649U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an intracavity catheter with a global location function, which improves position of an electrode, is simple and convenient to operate and flexible to adjust and saves time. The intracavity catheter with the global location function comprises a front section of a catheter body, a middle section of the catheter body and a rear section of the catheter body, the rear section of the catheter body is connected with an operating device, and a number of treatment electrodes are distributed on an outer circumference surface of the front section of the catheter body. The intracavity catheter is characterized in that a plurality of treatment electrodes are positioned and distributed along an axial direction, and a projection formed by the plurality of treatment electrodes on a projection surface vertical to the axial direction comprises a closed projection ring encircling the outer circumference surface of the front section of the catheter body.

Description

Universe positioning chamber inner catheter
Technical field
This utility model relates to the intervention therapeutic apparatus technology of biomedical engineering, particularly a kind of universe positioning chamber inner catheter.Said universe location be meant perpendicular to the conduit front axle to the projection that forms of several therapeutic electrodes of distributing of the anterior side face axial location of upper edge, perspective plane conduit in comprise a closed projection nucleus around the anterior side face of said conduit.When said intraluminal catheter is used for the blocking treatment of renal artery sympathetic plexus, can encircle the sympathetic nervus centripetalis of renal artery one all universes location all kidneys of blocking-up, avoid again arteriorenal excessive destruction.The location that said universe positioning chamber inner catheter has improved electrode, easy and simple to handle, regulate flexibly, save time.
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 development has the lifting of accurate localized interposing catheter for the interventional therapy effect, has extremely important using value.
The utility model content
This utility model provides a kind of universe positioning chamber inner catheter to the defective or the deficiency that exist in the prior art.Said universe location be meant perpendicular to the conduit front axle to the projection that forms of several therapeutic electrodes of distributing of the anterior side face axial location of upper edge, perspective plane conduit in comprise a closed projection nucleus around the anterior side face of said conduit.When said intraluminal catheter is used for the blocking treatment of renal artery sympathetic plexus, can encircle the sympathetic nervus centripetalis of renal artery one all universes location all kidneys of blocking-up, avoid again arteriorenal excessive destruction.The location that said universe positioning chamber inner catheter has improved electrode, easy and simple to handle, regulate flexibly, save time.
The technical scheme of this utility model is following:
Universe positioning chamber inner catheter; Comprise body leading portion, body stage casing and body back segment; Said body back segment connects manipulation device, is distributed with several therapeutic electrodes on the outer peripheral face of said body leading portion, it is characterized in that; Said several therapeutic electrodes are located distribution vertically, and in the projection that forms perpendicular to said axial the above several therapeutic electrode of perspective plane, comprise a closed projection nucleus around the outer peripheral face of said body leading portion.
Said body leading portion is a deformation section body of having preset change of shape.
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, superconducting device, Vltrasonic device, plasma apparatus, current device; Said catheter tube is used to carry a kind of of following implements: electrode, pressure transducer, temperature sensor.
The said deformation section body of having preset change of shape is a deformation section cylinder sacculus body.
The said deformation section body of having preset change of shape revolves the filate body for the deformation section.
The said deformation section body of having preset change of shape is a deformation section beading shape body.
Said several therapeutic electrodes are located vertically to distribute and are meant equidistantly (or unequal-interval) distribution vertically successively of said several therapeutic electrodes.
Angle equal (or unequal) between the centrage projection of every adjacent two therapeutic electrodes in the said closed projection nucleus.
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.
The technique effect of this utility model is following: the universe positioning chamber inner 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 the localized change of shape characteristic of universe according to preset change of shape, makes that conduit helps the signal in its interventional therapy is sent to the desired position.For example, the universe positioning chamber inner 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.
Description of drawings
Fig. 1 is universe positioning chamber inner catheter the 1st an embodiment cylinder balloon tube body structure sketch map.
Fig. 2 is that universe positioning chamber inner catheter the 2nd embodiment revolves filate pipe structure sketch map.
Fig. 3 is universe positioning chamber inner catheter the 3rd an embodiment beading shape pipe structure sketch map.
Fig. 4 is universe positioning chamber inner catheter the 1st an embodiment cylinder balloon tube body structure; 6 electrodes cover 360 °, the arrangement of electrodes sketch map, and wherein A is to corresponding to the blood vessel circumferencial direction; B is to corresponding to the length of vessel direction, comprise A to enlarged diagram and B to enlarged diagram.
Reference numeral is listed as follows: 1-interventional therapy implements interface; The 2-manipulation device; 3-assists the input port; 4-body back segment; 5-deformation section cylinder sacculus body; The 6-therapeutic electrode.7-deformation section is revolved the filate body; 8-deformation section beading shape body; 6-1~6-6 is 6 therapeutic electrodes.
The specific embodiment
Below in conjunction with accompanying drawing (Fig. 1-Fig. 4) this utility model is described.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; Universe positioning chamber inner catheter; Comprise body leading portion (the deformation section cylinder sacculus body among Fig. 1 and Fig. 4 for example; Deformation section among Fig. 2 is revolved the filate body, the deformation section beading shape body among Fig. 3), body stage casing (part that for example conduit middle part is represented with transversal among Fig. 1-Fig. 4) and body back segment 4, said body back segment 4 connection manipulation devices 2; Be distributed with several therapeutic electrodes 6 on the outer peripheral face of said body leading portion; It is characterized in that said several therapeutic electrodes 6 are located distribution vertically, and in the projection that forms perpendicular to said axial the above several therapeutic electrode 6 of perspective plane, comprise a closed projection nucleus around the outer peripheral face of said body leading portion.Said body leading portion is a deformation section body of having preset change of shape.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, and said interventional therapy implements interface connection is a kind of with lower device: radio-frequency unit, microwave device, superconducting device, Vltrasonic device, plasma apparatus, current device; Said catheter tube is used to carry a kind of of following implements: electrode, pressure transducer, temperature sensor.The sidepiece of said body back segment 4 is provided with auxiliary input port 3.The said deformation section body of having preset change of shape is a deformation section cylinder sacculus body.The said deformation section body of having preset change of shape revolves the filate body for the deformation section.The said deformation section body of having preset change of shape is a deformation section beading shape body.Said several therapeutic electrodes are located vertically to distribute and are meant equidistantly (or unequal-interval) distribution vertically successively of said several therapeutic electrodes.Angle equal (or unequal) between the centrage projection of every adjacent two therapeutic electrodes in the said closed projection nucleus.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, and the catheter tube of said hollow pipeline structure is provided with porose in the catheter tube side.
This utility model universe positioning chamber inner catheter can promote the motility of interposing catheter operation and the effectiveness of treatment.Belong to the localized accurate positioning catheter of a kind of universe, characteristics are following: 1. shape: Any shape sacculus (cylinder, circular cone, sphere, Three Diamond, tetrahedron, pentahedron, hexahedron, polyhedron and irregular build), revolve filate, beading shape.Said beading deformation body comprises several (1~20) spherical portion.The Any shape sacculus, revolve filate, beading deformation body, length is 5~50mm, and diameter is 1.5~8.5mm.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, microwaves.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. electrode: said Any shape sacculus, revolve filate, beading deformation body, the surface is furnished with 1~17 electrode; Electrode size is miniature, small-sized, medium-sized and large-scale; Electrode is wire, lamellar or stereo structure; Electrode shape is circle, ellipse, triangle, tetragon, pentagon, hexagon, polygon and irregular shape.Said Any shape sacculus, revolve filate, beading deformation body, the arrangement mode of electrode is along 0 °~720 ° coverings of body circumference (electrode addition angle all standing; Example: 2 electrodes cover 360 °, and angle is 180 ° between two electrode centers; 3 electrodes cover 360 °, and angle is 120 ° between two electrode centers; 4 electrodes cover 360 °, and angle is 90 ° between two electrode centers; 5 electrodes cover 360 °, and angle is 72 ° between two electrode centers; 6 electrodes cover 360 °, and angle is 60 ° between two electrode centers; 7 electrodes cover 360 °, and angle is 51.4 ° between two electrode centers; 8 electrodes cover 360 °, and angle is 45 ° between two electrode centers; 9 electrodes cover 360 °, and angle is 40 ° between two electrode centers; 10 electrodes cover 360 °, and angle is 36 ° between two electrode centers).The electrode gap distance is 0~15mm.6. conduct energy type: radio frequency, microwave, superconduction, plasma, electric current.7. attachment device: the common carrier that this universe positioning catheter belongs to interventional therapy can carry electrode, pick off (pressure transducer, temperature sensor).8. range of application: block nerves: be used for the blocking-up of renal artery sympathetic plexus.
So-called universe location is meant that on the circumferencial direction of renal artery blood vessel, the whole circumference universe exhaustively is furnished with therapeutic electrode; The electrode of ability development (X-ray, magnetic resonance) can accurately be observed the distributing position of electrode in the length of vessel direction, makes things convenient for the location of treatment position.Universe positioning chamber inner catheter is as the interposing catheter of interventional therapy; Its body head has a deformation section; Help making the ablating electrode head to adhere well to the renal artery inwall, the effective contact that a plurality of electrodes are appropriate with blood vessel forms a plurality of contact ablation points to blood vessel wall; Can encircle the sympathetic nervus centripetalis of renal artery one all universes location all kidneys of blocking-up, avoid again arteriorenal excessive destruction.Said conduit helps the accurate location of therapeutic electrode.Said universe positioning catheter has improved the location of electrode, and is easy and simple to handle, regulates flexibly, saves time.
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. universe positioning chamber inner catheter; Comprise body leading portion, body stage casing and body back segment; Said body back segment connects manipulation device, is distributed with several therapeutic electrodes on the outer peripheral face of said body leading portion, it is characterized in that; Said several therapeutic electrodes are located distribution vertically, and in the projection that forms perpendicular to said axial the above several therapeutic electrode of perspective plane, comprise a closed projection nucleus around the outer peripheral face of said body leading portion.
2. universe positioning chamber inner catheter according to claim 1 is characterized in that, said body leading portion is a deformation section body of having preset change of shape.
3. universe positioning chamber inner 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.
4. universe positioning chamber inner 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, superconducting device; Vltrasonic device, plasma apparatus, current device; Said catheter tube is used to carry a kind of of following implements: electrode, pressure transducer, temperature sensor.
5. universe positioning chamber inner catheter according to claim 2 is characterized in that, the said deformation section body of having preset change of shape is a deformation section cylinder sacculus body.
6. universe positioning chamber inner catheter according to claim 2 is characterized in that, the said deformation section body of having preset change of shape revolves the filate body for the deformation section.
7. universe positioning chamber inner catheter according to claim 2 is characterized in that, the said deformation section body of having preset change of shape is a deformation section beading shape body.
8. universe positioning chamber inner catheter according to claim 1 is characterized in that, said several therapeutic electrodes are located vertically to distribute and are meant the equidistant vertically successively or unequal-interval distribution of said several therapeutic electrodes.
9. universe positioning chamber inner catheter according to claim 1 is characterized in that, in the said closed projection nucleus between the centrage projection of every adjacent two therapeutic electrodes angle equate or unequal.
10. universe positioning chamber inner 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.
CN2012201492298U 2012-04-10 2012-04-10 Intracavity catheter with global location function Expired - Fee Related CN202537649U (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103027750A (en) * 2012-11-23 2013-04-10 刘宗军 Electrical ablation balloon radiofrequency catheter in percutaneous renal artery
CN103860258A (en) * 2012-12-12 2014-06-18 北京中孵友信医药科技股份有限公司 Self-adaptive annular positioning endovascular catheter
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
US9707035B2 (en) 2002-04-08 2017-07-18 Medtronic Ardian Luxembourg S.A.R.L. Methods for catheter-based renal neuromodulation
CN110062607A (en) * 2016-12-09 2019-07-26 圣犹达医疗用品心脏病学部门有限公司 Pulmonary vein isolation foley's tube
US10736690B2 (en) 2014-04-24 2020-08-11 Medtronic Ardian Luxembourg S.A.R.L. Neuromodulation catheters and associated systems and methods
US11213678B2 (en) 2013-09-09 2022-01-04 Medtronic Ardian Luxembourg S.A.R.L. Method of manufacturing a medical device for neuromodulation

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8834464B2 (en) 1999-04-05 2014-09-16 Mark T. Stewart Ablation catheters and associated systems and methods
US9554848B2 (en) 1999-04-05 2017-01-31 Medtronic, Inc. Ablation catheters and associated systems and methods
US9289255B2 (en) 2002-04-08 2016-03-22 Medtronic Ardian Luxembourg S.A.R.L. Methods and apparatus for renal neuromodulation
US9707035B2 (en) 2002-04-08 2017-07-18 Medtronic Ardian Luxembourg S.A.R.L. Methods for catheter-based renal neuromodulation
US8774913B2 (en) 2002-04-08 2014-07-08 Medtronic Ardian Luxembourg S.A.R.L. Methods and apparatus for intravasculary-induced neuromodulation
US9675413B2 (en) 2002-04-08 2017-06-13 Medtronic Ardian Luxembourg S.A.R.L. Methods and apparatus for renal neuromodulation
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
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
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
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
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
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
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
CN103027750A (en) * 2012-11-23 2013-04-10 刘宗军 Electrical ablation balloon radiofrequency catheter in percutaneous renal artery
CN103027750B (en) * 2012-11-23 2015-02-11 刘宗军 Electrical ablation balloon radiofrequency catheter in percutaneous renal artery
CN103860258A (en) * 2012-12-12 2014-06-18 北京中孵友信医药科技股份有限公司 Self-adaptive annular positioning endovascular catheter
US9888961B2 (en) 2013-03-15 2018-02-13 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
US9179974B2 (en) 2013-03-15 2015-11-10 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
CN110062607A (en) * 2016-12-09 2019-07-26 圣犹达医疗用品心脏病学部门有限公司 Pulmonary vein isolation foley's tube
CN110062607B (en) * 2016-12-09 2023-06-20 圣犹达医疗用品心脏病学部门有限公司 Pulmonary vein isolation balloon catheter
US11890044B2 (en) 2016-12-09 2024-02-06 St. Jude Medical, Cardiology Division, Inc. Pulmonary vein isolation balloon catheter

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Granted publication date: 20121121

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