CN2722950Y - Linear electrode urine catheter - Google Patents
Linear electrode urine catheter Download PDFInfo
- Publication number
- CN2722950Y CN2722950Y CN 200420029477 CN200420029477U CN2722950Y CN 2722950 Y CN2722950 Y CN 2722950Y CN 200420029477 CN200420029477 CN 200420029477 CN 200420029477 U CN200420029477 U CN 200420029477U CN 2722950 Y CN2722950 Y CN 2722950Y
- Authority
- CN
- China
- Prior art keywords
- linear electrode
- electrode
- catheter
- urine catheter
- urinating
- Prior art date
- 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 - Lifetime
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Abstract
The utility model belongs to medical appliance and relates to a linear electrode urine catheter which is used for prostate therapeutic instrument. A linear electrode is distributed along the axial direction of the urination cavity surface of the urine catheter. The two ends of each linear electrode respectively cross the alignment hole of an elastic pipe wall of the urination cavity and are fixed. One end of the linear electrode is provided with an electrode lead which is incorporate with the electrode and in the position of the urine catheter cavity and lead out from the port of the urine catheter cavity, wherein, a plurality of electrode leads of the same polarity is provided with an insulating sleeve. The other end of the linear electrode is provided with a stopping rotary bended clasp connected with the pipe wall of the urination cavity. The direction of the linear electrode is in the same inserting-drawing direction of the urine catheter. Thus the frictional resistance of the urine catheter when inserting into the body is decreased and the suffering of the patient is reduced. Meantime, compared with the public known annular electrode urine catheter, the linear electrode urine catheter has simpler preparing process. The utility model has outstanding advantages of simple structure and dramatic reduction of the frictional resistance when inserting into the body.
Description
Technical field
This utility model belongs to medical apparatus and instruments, relates to a kind of linear electrode catheter that is used for medical apparatus for treating prostatic diseases.
Background technology
Application number is the structure that 98100200.5 application for a patent for invention discloses a kind of surface electrode catheter, it is made of catheter and two groups of metal ring electrodes that are located at the catheter surface, the cable guide that has insulating barrier that connects each electrode is held between annular electrode and the catheter, each contact conductor imports the chamber and draw from its accent of urinating from urinate fairlead that the chamber makes of catheter, and each contact conductor is connected in the socket of therapeutic instrument by plug.This electrical urethral catheter can make full use of existing catheter, and each electrode is arranged on the catheter outside simultaneously, and structure is comparatively simple.The more important thing is the bigger more than two groups of this electrical urethral catheter to annular electrode and lesion tissue contact area, materials such as the water in the tissue, electrolyte will be by abundant ionization, the positive and negative ion that is produced forms strong acid and highly basic district respectively at the positive and negative electrode district, not only make lesion tissue produce liquefaction necrosis at cathode chamber, make lesion tissue produce coagulation necrosis simultaneously in the anode region, so the electrochemical therapeutic therapeutic effect is more remarkable.But, the metal ring electrode of above-mentioned electrical urethral catheter is to be made of the coiling of tinsel solid matter, its tinsel coiling trend is vertical substantially with the catheter axis, the frictional resistance in the time of therefore must increasing catheter and insert health being provided with of tinsel solid matter coiling annular electrode more than two groups.
Summary of the invention
This utility model is the bigger technical problem of frictional resistance in order to solve the above-mentioned catheter that more than two groups the surface electrode catheter of annular electrode is existed and to insert health, and a kind of linear electrode catheter that can overcome big frictional resistance is provided.
This utility model utility model is taked following technical scheme for solving the above-mentioned technical problem that more than two groups the electrical urethral catheter of annular electrode is existed: there is linear electrode on the surface, chamber of urinating of catheter along its axial distribution, the chamber elastic tube wall of urinating is provided with at the position at corresponding each linear electrode two ends and linear electrode is penetrated and fixed, axial distribution to the hole, linear electrode one end is provided with the electrode one, the contact conductor that is positioned at the catheter cavity and draws from its port, wherein one group of contact conductor of same polarity is provided with insulated sleeve, and the linear electrode other end is provided with the stop revolution hook that engages with the lumen wall of urinating.
This utility model can also be taked following technical measures:
Described linear electrode is provided with the groove of horizontally-arranged this tube wall what correspondence was urinated chamber elastic tube wall axial distribution to the hole site.
Described each linear electrode, with the joint portion of its contact conductor be equipped with length suitable with the lumen wall thickness of urinating, perpendicular to the bending section of contact conductor.
The beneficial effects of the utility model and advantage are: linear electrode is provided with direction and catheter shaft line parallel, and promptly in the plug direction unanimity of catheter, the frictional resistance when therefore inserting health is less, can obviously alleviate patient's misery.Its therapeutic effect of the equally distributed linear electrode of evidence is also very satisfactory.Linear electrode and contact conductor integral structure have also been eliminated the defective that there is the hidden danger that comes off in known annular electrode, and the processing technique of more known annular electrode catheter is simpler simultaneously.The utlity model has outstanding advantage simple in structure, as can obviously to reduce frictional resistance when inserting health.
Description of drawings
Accompanying drawing 1 embodiment overall structure sketch map.
Accompanying drawing 2 linear electrode structural representations.
Accompanying drawing 3 Figure 1A portion section enlarged diagrams.
Drawing explanation: 1 catheter, 2 linear electrodes, 2-1 groove, 2-2 stop revolution hook, 2-3 bending section, the 3 chamber ports of urinating, 4 sheaths, 5 plugs, 6 contact conductors, 7 insulated sleeve, 8 chambeies of urinating, 9 inducing QI chambeies.
The specific embodiment
Further specify this utility model below in conjunction with embodiment and accompanying drawing thereof.
Embodiment as shown in Figure 1, 2, catheter 1 main body that silica gel or rubber are made is made of the inducing QI chamber 9 and the chamber 8 of urinating, linear electrode 2 of the present utility model along catheter shaft to being distributed in 8 surfaces, chamber of urinating.The two ends of each linear electrode are through at axial distribution the hole is fixed of the chamber elastic tube wall of urinating respectively, the pairing linear electrode of tube wall between two holes is provided with the groove 2-1 of horizontally-arranged this elastic tube wall of chamber of urinating, and this groove can make the catheter surface keep level and smooth and make the linear electrode location.The joint portion of each linear electrode and its contact conductor be provided with length suitable with the lumen wall thickness of urinating, perpendicular to the bending section 2-3 of contact conductor, the effect of this bending section also is to make the catheter surface keep level and smooth.Linear electrode 2 one ends of the present utility model are provided with the contact conductor 6 with the electrode one.Can find out that in conjunction with Fig. 3 each contact conductor is positioned at urinate chamber 8 cavitys and draw from the chamber port 3 of urinating of catheter, one group of contact conductor with polarity of voltage in each linear electrode is provided with insulated sleeve 7.Each contact conductor 6 of drawing from the chamber port 3 of urinating is set with sheath 4 and is connected in plug 5.
Claims (3)
1, the linear electrode catheter, by the catheter body, contact conductor and plug are formed, it is characterized in that: there is linear electrode on the surface, chamber of urinating of catheter along its axial distribution, the chamber elastic tube wall of urinating is provided with at the position at corresponding each linear electrode two ends and linear electrode is penetrated and fixed, axial distribution to the hole, linear electrode one end is provided with the electrode one, the contact conductor that is positioned at the catheter cavity and draws from its port, wherein one group of contact conductor of same polarity is provided with insulated sleeve, and the linear electrode other end is provided with the stop revolution hook that engages with the lumen wall of urinating.
2, electrical urethral catheter according to claim 1 is characterized in that: described linear electrode is provided with the groove of horizontally-arranged this tube wall what correspondence was urinated chamber elastic tube wall axial distribution to the hole site.
3, electrical urethral catheter according to claim 1 is characterized in that: described each linear electrode, with the joint portion of its contact conductor be equipped with length suitable with the lumen wall thickness of urinating, perpendicular to the bending section of contact conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420029477 CN2722950Y (en) | 2004-08-06 | 2004-08-06 | Linear electrode urine catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420029477 CN2722950Y (en) | 2004-08-06 | 2004-08-06 | Linear electrode urine catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2722950Y true CN2722950Y (en) | 2005-09-07 |
Family
ID=35036586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420029477 Expired - Lifetime CN2722950Y (en) | 2004-08-06 | 2004-08-06 | Linear electrode urine catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2722950Y (en) |
-
2004
- 2004-08-06 CN CN 200420029477 patent/CN2722950Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zheng Dade Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Zheng Dade Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140806 Granted publication date: 20050907 |
|
| DD01 | Delivery of document by public notice |
Addressee: Jiang Zengjun Document name: Notification of Expiration of Patent Right Duration |