CN102824214A - Radio frequency conduit capable of fully closing blood vessel and radio frequency instrument thereof - Google Patents
Radio frequency conduit capable of fully closing blood vessel and radio frequency instrument thereof Download PDFInfo
- Publication number
- CN102824214A CN102824214A CN2012103329562A CN201210332956A CN102824214A CN 102824214 A CN102824214 A CN 102824214A CN 2012103329562 A CN2012103329562 A CN 2012103329562A CN 201210332956 A CN201210332956 A CN 201210332956A CN 102824214 A CN102824214 A CN 102824214A
- Authority
- CN
- China
- Prior art keywords
- conduit
- blood vessel
- radio
- frequency electrode
- radio frequency
- 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.)
- Pending
Links
Images
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a radio frequency conduit, in particular a radio frequency conduit capable of fully closing a blood vessel, so as to solve the problem that the existing radio frequency conduit cannot fully close the blood vessel and easily damages surface skin and tissues around the outer wall of the blood vessel. The radio frequency conduit comprises a conduit, a conduit drawing mechanism, the radio frequency electrode, a temperature control resistor and an air exhaust pipe, wherein the conduit drawing mechanism is connected with the conduit so as to control the conduit to move with uniform speed in the blood vessel; both the radio frequency electrode and the air exhaust pipe are mounted on the conduit; and the front end surfaces of the air exhaust pipe and the radio frequency electrode are horizontally arranged. According to the invention, the blood vessel is fully closed through heat generated by the radio frequency electrode and negative pressure generated by the air exhaust pipe, and after the blood vessel is closed, a vacuum state is formed in the blood vessel so as to achieve the purpose of treating varicosity; and by the conduit drawing mechanism, the radio frequency conduit is controlled to move with uniform speed in the conduit or the blood vessel so as to prevent damage to the surface skin and the tissues around the outer wall of the blood vessel.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly a kind of radio-frequency electrode, especially a kind of radiofrequency catheter and the radio frequency instrument thereof that can realize that blood vessel is closed fully.
Background technology
Varicose veins of the lower extremity is one of modal venous disease clinically, is a kind of ancient and common disease, has 10%～15% man and 20～25% adult females Symptomatic great saphenous varicose vein can occur approximately.It is defined as: the superficial veins of lower limb valvular insufficiency that a variety of causes causes, make that venous blood is counter to flow, and cause the expansion of pathological changes wall of vein then, irregular bulging and distortion appear.The most common with great saphenous varicose vein; Show as great saphenous vein and belong to tortuous a, expansion of traveling zone vein; As do not handle; Possibly be developed to the veins dermatosis, comprise ankle edema, skin of lower extremity pigmentation, eczema, ulcer, cellulitis, superficial thrombophlebitis and break hemorrhage etc.
Along with the extensive use of radio-frequency ablation technique, also quote gradually in cirsoid treatment.When varicosis was treated, the heat that rf probe produces acted on the venous blood tube wall, causes collagen shrinkage; Endotheliocyte is exposed; Thereby cause that wall of vein thickens, tube chamber shrinks, polarize rapidly and form the ribbon rope, finally make the venous blood tube wall closed.
Yet, though form vacuum state because the heat deficiency that rf probe produces so that vein blood vessel is closed fully, can't make in the vein blood vessel after the closure; Therefore;, after the regular hour, vein blood vessel also can revert to open mode by closure state; Thereby reduced cirsoid therapeutic effect, varicosis is recurred once more.In addition, carry out vein blood vessel when rf probe and can't effectively control, therefore, can cause damage the tissue around surface skin and the vessel outer wall to its translational speed.
Summary of the invention
To the weak point of above-mentioned technology, the present invention provides a kind of blood vessel that makes under high temperature and action of negative pressure, to realize 100% closure, and can be in conduit or blood vessel at the uniform velocity displacement can realize radiofrequency catheter and the radio system thereof that blood vessel is closed fully.
For realizing above-mentioned purpose; The present invention provides a kind of radiofrequency catheter that can realize that blood vessel is closed fully; Comprise conduit, radio-frequency electrode and temperature resistance; Also comprise conduit pull-out mechanism and exhaust tube, said conduit pull-out mechanism is connected with said conduit, in blood vessel, carries out at the uniform velocity displacement to control said conduit; Said radio-frequency electrode and said exhaust tube are installed on the said conduit; The front end face of said exhaust tube and the front end face of said radio-frequency electrode are the same level setting; The heat that blood vessel wall produces in said radio-frequency electrode matches with the negative pressure that said exhaust tube produces and realizes closedly fully down, makes internal blood vessel formation vacuum state.
Said radio-frequency electrode is the monopolar radio frequency electrode, and said monopolar radio frequency electrode is the flat structure, and is installed on the outer wall of said exhaust tube.
Said radio-frequency electrode is a bipolar radio-frequency electrode, and said bipolar radio-frequency electrode is that the longitudinal cross-section is a cylindrical structural, and said exhaust tube is through the inside of said bipolar radio-frequency electrode.
End at said conduit also is equipped with handle; Be provided with at the end of said handle and be used for the handle interface that is connected with radio system, the end of said radio-frequency electrode, said temperature resistance and said exhaust tube respectively with said handle in radio frequency interface, temperature control interface and exhaust tube interface be connected.
Said conduit pull-out mechanism is made up of the flexible roller set and the pull unit that are connected; Said pull unit is connected with said flexible roller set; Said pull unit is connected with outside pulling motor through pulling motor cable and pulling motor cable interface successively; Said flexible roller set is arranged on the outer wall of said conduit; The rear end of said conduit is loose tenesmus state and is arranged in the inner chamber of said handle, and extends to the outside of said handle through handle fluting, and said flexible roller set is controlled the at the uniform velocity displacement in blood vessel of said conduit under the drive of said pull unit.
Said conduit pull-out mechanism is made up of pull unit that is connected and conduit winding bar; Said pull unit is connected with outside pulling motor through pulling motor cable and pulling motor cable interface successively; The top of said conduit winding bar and bottom are connected with the inwall of said handle respectively; The rear end of said conduit is wrapped on the said conduit winding bar, and said conduit winding bar is controlled the at the uniform velocity displacement in blood vessel of said conduit under the drive of said pull unit.
Process by flexible material the rear end of said conduit and the rear end of said exhaust tube.
The present invention also provides a kind of radio frequency instrument that can realize that blood vessel is closed fully simultaneously; Constitute by radiofrequency catheter and connected radio system; The radiofrequency launcher, vacuum suction pump and the conduit pull-out mechanism that comprise control device and its connection respectively in said radio system; Said radiofrequency launcher is connected with radio-frequency electrode in the said radiofrequency catheter; Said vacuum suction pump is connected with exhaust tube in the said radiofrequency catheter, and said conduit pull-out mechanism is connected with said radiofrequency catheter, with the front end at the uniform velocity displacement in blood vessel that is controlled at said radiofrequency catheter.
Said conduit pull-out mechanism is made up of pulling motor and connected at least one group of flexible roller set; Said flexible roller set is made up of top roller and bottom roller; And be fastened on respectively in the conduit chute on the said conduit outer wall, said pulling motor is connected with said control device.
In said radio system, also comprise temperature measuring equipment, said temperature measuring equipment is connected with said control device.
Compared with prior art, the present invention has the following advantages:
1, in intravasation; The radio-frequency electrode of its front end in use can produce 85 ℃ temperature; Its inner exhaust tube produces negative-pressure sucking under the effect of vacuum suction pump, to realize 100% closure state, blood vessel is after complete closure under heat that radio-frequency electrode produces and action of negative pressure for blood vessel; Its internal blood vessel forms vacuum state, thereby reaches the cirsoid purpose of treatment;
2, through being arranged on the conduit pull-out mechanism in the outside, carry out at the uniform velocity displacement in conduit or the blood vessel, preventing the tissue injury around surface skin and the vessel outer wall, and can be controlled at the distance that moves in the blood vessel to be controlled at;
3, radio-frequency electrode is set to flat or cylindrical-shaped structure, can make blood vessel closed with flat form, to improve the closure effect of blood vessel.
Description of drawings
Fig. 1 is the structure chart of first embodiment of the invention;
Fig. 2 is another example structure figure of Fig. 1;
Fig. 3 is the structure chart of second embodiment of the invention;
Fig. 4 is another example structure figure of Fig. 3;
Fig. 5 is the structure chart of third embodiment of the invention;
Fig. 6 is another example structure figure of Fig. 5;
Fig. 7 is the structured flowchart of radio system;
Fig. 8 is the example structure figure of Fig. 7;
Fig. 9 is another example structure figure of Fig. 8.
Main symbol description is following:
1-conduit 2-intracavity of handle 3-monopolar radio frequency electrode
4-radio frequency transmission cable 5-exhaust tube 6-temperature resistance
7-cable for measuring temperature 8-protective sleeve 9-conduit pull-out mechanism
10-radio system 11-radiofrequency launcher 12-vacuum suction pump
The flexible roller set 15-of 13-control device 14-bipolar radio-frequency electrode
16-handle 17-handle interface 18-temperature control interface
19-radio frequency interface 20-exhaust tube interface 21-pull unit
22-pulling motor cable 23-pulling motor cable interface
24-handle fluting 25-conduit winding bar 26-bipolar radio frequency interface
27-radiofrequency catheter 28-temperature measuring equipment
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
As shown in Figure 1; The present invention provides a kind of radiofrequency catheter that can realize that blood vessel is closed fully; By conduit 1, handle 16, conduit pull-out mechanism 9, radio-frequency electrode, temperature resistance 6 and exhaust tube 5, conduit pull-out mechanism 9 is installed on the conduit 1, also is enclosed with protective sleeve 8 in the outside of conduit 1.Radio-frequency electrode is installed on the front end face of conduit 1, and exhaust tube 5 is arranged in the conduit 1, and the front end face of exhaust tube and the front end face of radio-frequency electrode are the same level setting.Wherein, the end of exhaust tube 5 is connected with vacuum suction pump 12.Radio-frequency electrode is a monopolar radio frequency electrode 3, and this monopolar radio frequency electrode is the flat structure, and is installed on the outer wall of exhaust tube 5.Adopt the monopolar radio frequency electrode of flat structure can make blood vessel closed, to improve the closure effect of blood vessel with flat form.The end of monopolar radio frequency electrode 3 is connected with outside radiofrequency launcher 11 through radio frequency transmission cable 4, at the end of monopolar radio frequency electrode 3 temperature resistance 6 is installed also, and the end of this temperature resistance 6 passes through cable for measuring temperature 7 and is connected with control device 13.Radiofrequency launcher transfers in the monopolar radio frequency electrode through the heat of radio frequency transmission cable with 85 ℃, detects the temperature in the monopolar radio frequency electrode in real time through temperature detecting resistance, thereby makes the heat on the monopolar radio frequency electrode can remain on 85 ℃.Behind the front end intravasation of conduit 1; The monopolar radio frequency electrode produces heat of high temperature; Exhaust tube produces negative-pressure sucking under the effect of vacuum suction pump, blood vessel shrinks under the effect of heat, closure, then again under the effect of negative-pressure sucking to realize 100% closure state.Blood vessel is after complete closure, and its internal blood vessel forms vacuum state, thereby reaches the cirsoid purpose of treatment, and the situation that can not take place to open once more.
Conduit pull-out mechanism 9 is arranged on the outer wall of conduit 1, to be controlled at the uniform velocity displacement in conduit or the blood vessel.Wherein, conduit pull-out mechanism 9 is made up of two groups of flexible roller set 14, and any one group of flexible roller set all is to be made up of top roller and bottom roller, and top roller and bottom roller are fastened on respectively in the conduit chute, and the conduit chute is arranged on the outer wall of conduit.Control device 13 in the radio system 10 is connected with conduit pull-out mechanism 9, so that flexible roller set 14 is controlled, thereby makes conduit at the uniform velocity displacement in blood vessel, to prevent the tissue injury around surface skin and the vessel outer wall.
End at conduit 1 also is equipped with handle 16; Be provided with at the end of handle 16 and be used for the handle interface 17 that is connected with the external radio frequency system, the end of monopolar radio frequency electrode 3, temperature resistance 6 and exhaust tube 5 respectively with handle interface 17 in radio frequency interface 19, temperature control interface 18 and exhaust tube interface 20 be connected.Radio frequency interface 19, temperature control interface 18 and exhaust tube interface 20 respectively with radio system 10 in radiofrequency launcher 11, control device 13 and vacuum suction pump 12 be connected.
Radiofrequency catheter adopts and is connected with radio system through handle interface, can make the assembling between radiofrequency catheter and the radio system more easy with replacing.
As shown in Figure 2, the difference of embodiment described in this embodiment and Fig. 1 is that radio-frequency electrode is a bipolar radio-frequency electrode 15, and this bipolar radio-frequency electrode is that the longitudinal cross-section is a cylindrical structural, and exhaust tube 5 is through the inside of bipolar radio-frequency electrode.Adopt the monopolar radio frequency electrode of flat structure can make blood vessel closed, to improve the closure effect of blood vessel with flat form.Bipolar radio-frequency electrode can use the generation of blood vessel to double the heat of monopolar radio frequency electrode, improves that blood vessel shrinks under heat effect, closed effect.
As shown in Figure 3; The difference of embodiment described in this embodiment and Fig. 1 is; The conduit pull-out mechanism is arranged in the handle 16; The conduit pull-out mechanism is made up of flexible roller set that is connected 14 and pull unit 21, and the end of pull unit 21 is connected with outside pulling motor through pulling motor cable 22 and pulling motor cable interface 23 successively.Flexible roller set is arranged on the outer wall of conduit, and flexible roller set is made up of top roller and bottom roller, and pull unit is connected with the top roller.
In the present embodiment, process by flexible material the rear end of conduit and the rear end of exhaust tube, therefore, can not influence the laser propagation effect of radio frequency and the laser propagation effect of negative-pressure gas.The rear end of conduit is loose tenesmus state and is arranged in the intracavity of handle 2, and extends to the outside of handle through the fluting of the handle on the handle lower surface 24.Flexible roller set is controlled at front end at the uniform velocity displacement in blood vessel of conduit under the drive of pull unit, to prevent surface skin and vessel outer wall tissue injury on every side.
As shown in Figure 4; The difference of embodiment described in this embodiment and Fig. 3 is; Radio-frequency electrode is a bipolar radio-frequency electrode 15, and this bipolar radio-frequency electrode 15 is connected with bipolar radio frequency interface 26 in being arranged on handle interface 17, and this bipolar radio frequency interface 26 is connected with radiofrequency launcher 11 in the radio system 10.
As shown in Figure 5; The difference of embodiment described in this embodiment and Fig. 1 is; The conduit pull-out mechanism is arranged in the handle 16; The conduit pull-out mechanism is made up of pull unit that is connected 21 and conduit winding bar 26, and the end of pull unit 21 is connected with outside pulling motor through pulling motor cable 22 and pulling motor cable interface 23 successively.The top of conduit winding bar 26 and bottom are connected with the top inner wall and the bottom interior wall of handle 16 respectively, and the rear end of conduit is wrapped on the conduit winding bar 26.
In the present embodiment, process by flexible material the rear end of conduit and the rear end of exhaust tube, and this flexible material can adopt plastic flexible pipe or rubber hose etc., can not influence the laser propagation effect of radio frequency and the laser propagation effect of negative-pressure gas through flexible material.The rear end of conduit can be wrapped on the conduit winding bar 26, and the conduit winding bar is controlled at front end at the uniform velocity displacement in blood vessel of conduit under the drive of pull unit, to prevent surface skin and vessel outer wall tissue injury on every side.
As shown in Figure 6; The difference of embodiment described in this embodiment and Fig. 5 is; Radio-frequency electrode is a bipolar radio-frequency electrode 15, and this bipolar radio-frequency electrode 15 is connected with bipolar radio frequency interface 26 in being arranged on handle interface 17, and this bipolar radio frequency interface 26 is connected with radiofrequency launcher 11 in the radio system 10.
As shown in Figure 7; The present invention provides a kind of radio frequency instrument that can realize that blood vessel is closed fully; Constitute by radiofrequency catheter 27 and connected radio system 10; Radiofrequency catheter 27 is through handle interface and adopt the mode of pegging graft to be connected with radio system 10, and its advantage is the Assembly And Disassembly of being convenient to accomplish between the two.In radio system 10, be provided with control device 13 and respectively connected radiofrequency launcher 11, vacuum suction pump 12, constitute with conduit pull-out mechanism 9 and temperature measuring equipment 28.Wherein, Radiofrequency launcher 11 is connected with radio-frequency electrode in the radiofrequency catheter 27; Vacuum suction pump 12 is connected with exhaust tube in the radiofrequency catheter 27, and the conduit pull-out mechanism is connected with conduit in the radiofrequency catheter, with the front end at the uniform velocity displacement in blood vessel that is controlled at radiofrequency catheter.Control device 13 is with after temperature measuring equipment 28 is connected, thereby temperature detecting resistance is detected, to obtain the real time temperature of radio-frequency electrode.
As shown in Figure 8, the difference of embodiment described in this embodiment and Fig. 1 is that the conduit pull-out mechanism is installed on the radio system.Conduit pull-out mechanism 9 is made up of pulling motor (not shown) and connected two groups of flexible roller set 14; Flexible roller set is made up of top roller and bottom roller; And be fastened on respectively in the conduit chute on conduit 1 outer wall; The pulling motor is connected with control device, with the front end at the uniform velocity displacement in blood vessel that is controlled at conduit.Wherein, the radio-frequency electrode in the radiofrequency catheter is a monopolar radio frequency electrode 3.
As shown in Figure 9, the difference of embodiment described in this embodiment and Fig. 8 is that radio-frequency electrode is a bipolar radio-frequency electrode 15.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. can realize the blood vessel radiofrequency catheter of closure fully for one kind; Comprise conduit, radio-frequency electrode and temperature resistance, it is characterized in that, also comprise conduit pull-out mechanism and exhaust tube; Said conduit pull-out mechanism is connected with said conduit, in blood vessel, carries out at the uniform velocity displacement to control said conduit; Said radio-frequency electrode and said exhaust tube are installed on the said conduit; The front end face of said exhaust tube and the front end face of said radio-frequency electrode are the same level setting; The heat that blood vessel wall produces in said radio-frequency electrode matches with the negative pressure that said exhaust tube produces and realizes closedly fully down, makes internal blood vessel formation vacuum state.
2. the radiofrequency catheter that can realize that blood vessel is closed fully according to claim 1 is characterized in that said radio-frequency electrode is the monopolar radio frequency electrode, and said monopolar radio frequency electrode is the flat structure, and is installed on the outer wall of said exhaust tube.
3. the radiofrequency catheter that can realize that blood vessel is closed fully according to claim 1; It is characterized in that; Said radio-frequency electrode is a bipolar radio-frequency electrode, and said bipolar radio-frequency electrode is that the longitudinal cross-section is a cylindrical structural, and said exhaust tube is through the inside of said bipolar radio-frequency electrode.
4. according to claim 2 or the 3 described radiofrequency catheters that can realize that blood vessel is closed fully; It is characterized in that; End at said conduit also is equipped with handle; Be provided with at the end of said handle and be used for the handle interface that is connected with radio system, the end of said radio-frequency electrode, said temperature resistance and said exhaust tube respectively with said handle in radio frequency interface, temperature control interface and exhaust tube interface be connected.
5. the radiofrequency catheter that can realize that blood vessel is closed fully according to claim 4; It is characterized in that; Said conduit pull-out mechanism is made up of the flexible roller set and the pull unit that are connected; Said pull unit is connected with said flexible roller set; Said pull unit is connected with outside pulling motor through pulling motor cable and pulling motor cable interface successively, and said flexible roller set is arranged on the outer wall of said conduit, and the rear end of said conduit is loose tenesmus state and is arranged in the inner chamber of said handle; And extending to the outside of said handle through handle fluting, said flexible roller set is controlled the at the uniform velocity displacement in blood vessel of said conduit under the drive of said pull unit.
6. the radiofrequency catheter that can realize that blood vessel is closed fully according to claim 4; It is characterized in that; Said conduit pull-out mechanism is made up of pull unit that is connected and conduit winding bar; Said pull unit is connected with outside pulling motor through pulling motor cable and pulling motor cable interface successively; The top of said conduit winding bar and bottom are connected with the inwall of said handle respectively, and the rear end of said conduit is wrapped on the said conduit winding bar, and said conduit winding bar is controlled the at the uniform velocity displacement in blood vessel of said conduit under the drive of said pull unit.
7. according to claim 5 or the 6 described radiofrequency catheters that can realize that blood vessel is closed fully, it is characterized in that the rear end of said conduit and the rear end of said exhaust tube are processed by flexible material.
8. can realize the blood vessel radio frequency instrument of closure fully for one kind; It is characterized in that; Constitute by radiofrequency catheter described in the claim 1 and connected radio system; Comprise radiofrequency launcher, vacuum suction pump and the conduit pull-out mechanism of control device and respectively its connection in said radio system, said radiofrequency launcher is connected with radio-frequency electrode in the said radiofrequency catheter, and said vacuum suction pump is connected with exhaust tube in the said radiofrequency catheter; Said conduit pull-out mechanism is connected with said radiofrequency catheter, with the front end at the uniform velocity displacement in blood vessel that is controlled at said radiofrequency catheter.
9. the radio frequency instrument that can realize that blood vessel is closed fully according to claim 8; It is characterized in that; Said conduit pull-out mechanism is made up of pulling motor and connected at least one group of flexible roller set; Said flexible roller set is made up of top roller and bottom roller, and is fastened on respectively in the conduit chute on the said conduit outer wall, and said pulling motor is connected with said control device.
10. the radio frequency instrument that can realize that blood vessel is closed fully according to claim 9 is characterized in that in said radio system, also comprise temperature measuring equipment, said temperature measuring equipment is connected with said control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103329562A CN102824214A (en) | 2012-09-11 | 2012-09-11 | Radio frequency conduit capable of fully closing blood vessel and radio frequency instrument thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103329562A CN102824214A (en) | 2012-09-11 | 2012-09-11 | Radio frequency conduit capable of fully closing blood vessel and radio frequency instrument thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102824214A true CN102824214A (en) | 2012-12-19 |
Family
ID=47327666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103329562A Pending CN102824214A (en) | 2012-09-11 | 2012-09-11 | Radio frequency conduit capable of fully closing blood vessel and radio frequency instrument thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102824214A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103610499A (en) * | 2013-12-03 | 2014-03-05 | 王昌惠 | Ablation electrode with bronchus closing function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999045994A1 (en) * | 1998-03-11 | 1999-09-16 | Dalia Beyar | Remote control catheterization |
| US20040098030A1 (en) * | 1996-02-02 | 2004-05-20 | Trans Vascular, Inc. | Methods and apparatus for blocking flow through blood vessels |
| FR2868954A1 (en) * | 2004-04-19 | 2005-10-21 | Cleef Jean Francois Van | Motorised traction drive for catheter or other endovascular device has electric motor with speed control and winch for traction cable |
| WO2006031541A1 (en) * | 2004-09-09 | 2006-03-23 | Vnus Medical Technologies, Inc. | Methods and apparatus for treatment of hollow anatomical structures |
| CN100998500A (en) * | 2007-01-11 | 2007-07-18 | 上海交通大学 | Multi-point monitoring catheter for temp. of urethra for ablation of prostate |
| CN101283925A (en) * | 2008-05-29 | 2008-10-15 | 迈德医疗科技（上海）有限公司 | Radio frequency ablation electrode with ultrasound probe |
| CN101411645A (en) * | 2007-10-19 | 2009-04-22 | 上海导向医疗系统有限公司 | The uniform radio-frequency ablation electrode of surface temperature |
-
2012
- 2012-09-11 CN CN2012103329562A patent/CN102824214A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040098030A1 (en) * | 1996-02-02 | 2004-05-20 | Trans Vascular, Inc. | Methods and apparatus for blocking flow through blood vessels |
| WO1999045994A1 (en) * | 1998-03-11 | 1999-09-16 | Dalia Beyar | Remote control catheterization |
| FR2868954A1 (en) * | 2004-04-19 | 2005-10-21 | Cleef Jean Francois Van | Motorised traction drive for catheter or other endovascular device has electric motor with speed control and winch for traction cable |
| WO2006031541A1 (en) * | 2004-09-09 | 2006-03-23 | Vnus Medical Technologies, Inc. | Methods and apparatus for treatment of hollow anatomical structures |
| CN100998500A (en) * | 2007-01-11 | 2007-07-18 | 上海交通大学 | Multi-point monitoring catheter for temp. of urethra for ablation of prostate |
| CN101411645A (en) * | 2007-10-19 | 2009-04-22 | 上海导向医疗系统有限公司 | The uniform radio-frequency ablation electrode of surface temperature |
| CN101283925A (en) * | 2008-05-29 | 2008-10-15 | 迈德医疗科技（上海）有限公司 | Radio frequency ablation electrode with ultrasound probe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103610499A (en) * | 2013-12-03 | 2014-03-05 | 王昌惠 | Ablation electrode with bronchus closing function |
| CN103610499B (en) * | 2013-12-03 | 2016-03-02 | 王昌惠 | There is the ablating electrode of bronchus closure function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208989116U (en) | A kind of Cryoablation system using vacuum degree control energy transmission | |
| CN102824214A (en) | Radio frequency conduit capable of fully closing blood vessel and radio frequency instrument thereof | |
| CN202777367U (en) | Single-cavity bronchial catheter | |
| CN212816500U (en) | Cryoablation device applied to cardiac surgery | |
| CN204636475U (en) | Skin anti-acne device | |
| CN204428151U (en) | A kind of bipolar coagulation forceps carrying flushing suction function | |
| CN202682528U (en) | Urethral catheter provided with compressing hemostatic balloon | |
| CN208551944U (en) | Brain tumor draws resectoscope | |
| CN201404352Y (en) | Lacrimal passage bushing | |
| CN209004015U (en) | Venous blood-taking apparatus under a kind of varied angle hysteroscope | |
| CN201939868U (en) | Oviduct contrast and recanalization device | |
| CN213758520U (en) | Ablation device for bronchus | |
| CN203802566U (en) | Conchoscope for transsphenoidal pituitary adenoma resection | |
| CN201755251U (en) | Hard microwave vaginoscope system | |
| CN205411312U (en) | Plasma otolaryngology scalpel | |
| CN201668503U (en) | Blood vessel electric coagulator | |
| CN203710528U (en) | Cold-circulation urethral catheter | |
| CN106237452B (en) | High-pressure air skin-tendering device | |
| CN202027707U (en) | Medical foot-controlling smoke suction electric cutter | |
| CN203029379U (en) | Suction type electrocoagulation pincers used in laparoscope | |
| CN102743198A (en) | Hemorrhoid reposition physiotherapy instrument | |
| CN207084903U (en) | A kind of pipe device for being used to treat nasolacrimal duct obstruction | |
| CN209203440U (en) | A kind of power adjustable formula power debridement system | |
| CN111449731B (en) | Puncture needle capable of avoiding needle channel planting transfer | |
| CN210811290U (en) | Intracardiac branch of academic or vocational study hemostasis device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121219 |