CN213910491U - Radio frequency ablation catheter - Google Patents
Radio frequency ablation catheter Download PDFInfo
- Publication number
- CN213910491U CN213910491U CN202022053977.3U CN202022053977U CN213910491U CN 213910491 U CN213910491 U CN 213910491U CN 202022053977 U CN202022053977 U CN 202022053977U CN 213910491 U CN213910491 U CN 213910491U
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- Prior art keywords
- cable
- fixedly connected
- radio frequency
- wall
- ablation catheter
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- Expired - Fee Related
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- 238000007674 radiofrequency ablation Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000002679 ablation Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 11
- 230000008859 change Effects 0.000 abstract description 3
- 230000037081 physical activity Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 206010028851 Necrosis Diseases 0.000 description 6
- 206010028980 Neoplasm Diseases 0.000 description 5
- 230000017074 necrotic cell death Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002107 myocardial effect Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 206010049447 Tachyarrhythmia Diseases 0.000 description 1
- 208000001871 Tachycardia Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000001321 subclavian vein Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000000015 thermotherapy Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
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- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a radio frequency ablation catheter, relating to the technical field of medical appliances. The utility model provides a radio frequency ablation catheter, inserts shell and body including the cable, the cable inserts shell and body activity joint, the cable is inserted the shell and is provided with quick equipment mechanism with body junction, quick equipment mechanism includes control guide arm and transfer line, transfer line one end and control guide arm top fixed connection, the transfer line runs through the cable and inserts shell bottom inner wall and has cup jointed the dead lever, the dead lever bottom inserts shell bottom inner wall fixed connection with the cable, transfer line other end fixedly connected with kelly, the kelly inserts shell inner wall with the cable and contacts. The utility model discloses a quick assembly mechanism that adds has realized radio frequency ablation pipe and the high-speed joint and the change of electrically conductive cable, removes through control guide arm control transfer line, and the joint state of drive lever control kelly accomplishes quick assembly and quick replacement.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a radio frequency ablation catheter.
Background
The radiofrequency ablation is to insert an electrode catheter into the heart through femoral artery and vein, internal jugular vein and subclavian vein, find abnormal electrical conduction channel or abnormal beating point in the heart by using electrophysiological mapping technology, and generate resistance electrothermal effect in myocardial tissue by using an electrode at the top end of a large-head catheter to dry and necrose myocardial cells so as to achieve the purpose of treating tachyarrhythmia.
All the radio-frequency thermal ablation equipment consists of five parts of an electric generator, a measurement and control unit, an electrode needle, a skin electrode and a computer, wherein the system forms a closed loop, the electrode needle is connected with the skin electrode of a patient, the measurement and control unit automatically adjusts the output power of radio-frequency ablation by monitoring the change of parameters such as impedance, temperature and the like of tumor tissues so as to rapidly generate large-range coagulation necrosis of the tumor tissues, an ablation electrode is a core component of a radio-frequency ablation instrument, because the ablation electrode directly influences the size and the shape of the coagulation necrosis, an ideal coagulation area is spherical or oblate spherical, a multi-needle electrode is directly punctured into a lesion tissue tumor block under the guidance of B ultrasound or CT, the radio-frequency electrode needle can enable the temperature in the tissues to exceed 60 ℃, cells die and generate a necrosis area, for example, the local tissue temperature exceeds 100 ℃, the coagulation necrosis of the tumor tissues and the essence of surrounding organs occurs, a large spherical solidification necrosis area can be generated during treatment, a 43-60 ℃ thermotherapy area is arranged outside the solidification necrosis area, cancer cells can be killed in the area, and normal cells can be recovered.
When the traditional medical radiofrequency ablation catheter is used, the radiofrequency ablation catheter and the conductive cable are generally required to be electrically connected at an operation site, after the radiofrequency ablation catheter is used, the radiofrequency ablation catheter needs to be replaced and disinfected, and the existing radiofrequency ablation catheter cannot be disinfected and replaced in time due to the complex structure in the replacement process, so that the operation progress is influenced, and certain potential threats are formed on the safety of patients.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radiofrequency ablation catheter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a radio frequency ablation catheter comprises a cable insertion shell and a catheter body, wherein the cable insertion shell is movably clamped with the catheter body, a quick assembly mechanism is arranged at the joint of the cable insertion shell and the pipe body, the quick assembly mechanism comprises a control guide rod and a transmission rod, one end of the transmission rod is fixedly connected with the top of the control guide rod, the transmission rod penetrates through the inner wall of the bottom of the cable insertion shell and is sleeved with a fixed rod, the bottom of the fixed rod is fixedly connected with the inner wall of the bottom of the cable insertion shell, the other end of the transmission rod is fixedly connected with a clamping rod, the clamping rod is contacted with the inner wall of the cable insertion shell, one end of the clamping rod is provided with a clamping hook, the contact position of the clamping hook and the pipe body is provided with a notch, the clamping hook is matched with the notch, springs are fixedly connected between the tops of the two ends of the fixed rod and the bottom of the clamping rod, the cable plug shell bottom outer wall fixedly connected with stopper, fast assembly mechanism has two.
Preferably, the inner walls of the top and the bottom of the tube body are fixedly connected with clamping plates, an electric generator plate is fixedly connected between the clamping plates, a control button is arranged on the electric generator plate, and the control button penetrates through the top of the tube body.
Preferably, the inner wall of the cable insertion shell is movably sleeved with a conductive cable, and the conductive cable is electrically connected with the electric generator board.
Preferably, one end of the electric generator plate is fixedly connected with an electrode needle, and one end of the electric generator plate is fixedly connected with a measurement and control unit.
Preferably, one end of the tube body is in threaded connection with a tube shell sleeve body, one end of the tube shell sleeve body is fixedly connected with an insulating tube, and the other end of the insulating tube is fixedly connected with an electrode ablation head.
Preferably, the outer wall of the tube body is fixedly connected with a silica gel ring.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a radio frequency ablation catheter, through the quick equipment mechanism that adds, has realized radio frequency ablation catheter tube body and conductive cable's high-speed joint and change, removes through control guide bar control transfer line, and the joint state of transfer line control kelly accomplishes fast assembly and quick replacement.
(2) The radio frequency ablation catheter has the advantages that through the added spring, after the radio frequency ablation catheter is installed or replaced, the clamping state of the radio frequency ablation catheter to the conductive cable can be automatically completed due to the elastic potential energy of the radio frequency ablation catheter.
Drawings
Fig. 1 is a front view of a radiofrequency ablation catheter of the present invention;
FIG. 2 is a partial cross-sectional view of FIG. 1;
fig. 3 is an enlarged view of the quick assembly mechanism of fig. 2.
In the figure: 1. a conductive cable; 2. a cable insertion shell; 3. a control guide rod; 4. a transmission rod; 5. a limiting block; 6. a control button; 7. a pipe body; 8. a silica gel ring; 9. a pipe shell sleeve body; 10. an insulating tube; 11. an electrode ablation head; 12. a quick assembly mechanism; 13. an electric generator plate; 14. a measurement and control unit; 15. an electrode needle; 16. fixing the rod; 17. a clamping rod; 18. a spring; 19. and (4) clamping the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a radio frequency ablation pipe, insert shell 2 and body 7 including the cable, the cable inserts shell 2 and body 7 activity joint, the cable inserts shell 2 and body 7 junction is provided with fast assembly mechanism 12, fast assembly mechanism 12 includes control guide arm 3 and transfer line 4, 4 one end of transfer line and 3 top fixed connection of control guide arm, transfer line 4 runs through the cable and inserts shell 2 bottom inner wall and has cup jointed dead lever 16, dead lever 16 bottom and cable insert shell 2 bottom inner wall fixed connection, 4 other end fixedly connected with kelly 17 of transfer line, kelly 17 inserts shell 2 inner wall with the cable and contacts, kelly 17 one end is provided with the pothook, the position that the pothook contacts with body 7 is provided with the notch, pothook and notch looks adaptation, equal fixedly connected with spring 18 between 16 both ends top of dead lever and the kelly 17 bottom, the cable inserts shell 2 bottom outer wall fixedly connected with stopper 5, fast assembly mechanism 12 has.
As shown in fig. 2, the inner walls of the top and bottom of the tube 7 are fixedly connected with clamping plates 19, an electric generator plate 13 is fixedly connected between the clamping plates 19, a control button 6 is arranged on the electric generator plate 13, and the control button 6 penetrates through the top of the tube 7.
As shown in fig. 2, the inner wall of the cable insertion housing 2 is movably sleeved with a conductive cable 1, and the conductive cable 1 is electrically connected with an electric generator board 13.
As shown in fig. 2, one end of the electric generator plate 13 is fixedly connected with an electrode needle 15, and one end of the electric generator plate 13 is fixedly connected with a measurement and control unit 14.
As shown in fig. 1, one end of the tube body 7 is connected with a tube shell sleeve 9 in a threaded manner, one end of the tube shell sleeve 9 is fixedly connected with an insulating tube 10, and the other end of the insulating tube 10 is fixedly connected with an electrode ablation head 11.
As shown in fig. 1, a silica gel ring 8 is fixedly connected to the outer wall of the tube body 7, and the silica gel ring 8 is mainly used for increasing the friction force of the palm of a doctor in an operation, so as to prevent the unstable control of the radiofrequency ablation catheter caused by liquid adhesion during the operation of the doctor.
The working principle is as follows: when the radio frequency ablation catheter tube body 7 is quickly connected with or replaced by the conductive cable 1, the control guide rod 3 is pressed inwards at the same time, the control guide rod 3 drives the transmission rod 4 to move inwards after being stressed, one end of the transmission rod 4 is fixedly connected with the clamping rod 17, so that the clamping rod 17 and the transmission rod 4 move together, when the clamping hook at one end of the clamping rod 17 is separated from the notch, the spare radio frequency ablation catheter is replaced, then the control guide rod 3 is loosened, the compressed spring 18 enables the clamping rod 7 to move back again due to the elastic potential energy of the spring 18, when the clamping hook is clamped with the notch again, the connection and replacement of the radio frequency ablation catheter tube body 7 and the conductive cable 1 are completed, and the radio frequency ablation catheter can be used for surgery.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a radio frequency ablation catheter, includes that the cable inserts shell (2) and body (7), its characterized in that: the cable inserting shell (2) is movably clamped with the pipe body (7), a quick assembling mechanism (12) is arranged at the joint of the cable inserting shell (2) and the pipe body (7), the quick assembling mechanism (12) comprises a control guide rod (3) and a transmission rod (4), one end of the transmission rod (4) is fixedly connected with the top of the control guide rod (3), the transmission rod (4) penetrates through the inner wall of the bottom of the cable inserting shell (2) and is sleeved with a fixed rod (16), the bottom of the fixed rod (16) is fixedly connected with the inner wall of the bottom of the cable inserting shell (2), the other end of the transmission rod (4) is fixedly connected with a clamping rod (17), the clamping rod (17) is in contact with the inner wall of the cable inserting shell (2), one end of the clamping rod (17) is provided with a clamping hook, a notch is formed in the contact position of the clamping hook and the pipe body (7), the clamping hook is matched with the notch, springs (18) are fixedly connected between the tops of the two ends of the fixed rod (16) and the bottom of the clamping rod (17), the cable is inserted shell (2) bottom outer wall fixedly connected with stopper (5), fast assembly mechanism (12) have two.
2. A radio frequency ablation catheter in accordance with claim 1, wherein: the electric heating tube is characterized in that clamping plates (19) are fixedly connected to the top and the inner wall of the bottom of the tube body (7), an electric generator plate (13) is fixedly connected between the clamping plates (19), a control button (6) is arranged on the electric generator plate (13), and the control button (6) penetrates through the top of the tube body (7).
3. A radio frequency ablation catheter in accordance with claim 1, wherein: the inner wall of the cable inserting shell (2) is movably sleeved with a conductive cable (1), and the conductive cable (1) is electrically connected with the electric generator plate (13).
4. A radio frequency ablation catheter in accordance with claim 2, wherein: one end of the electric generator plate (13) is fixedly connected with an electrode needle (15), and one end of the electric generator plate (13) is fixedly connected with a measurement and control unit (14).
5. A radio frequency ablation catheter in accordance with claim 1, wherein: one end of the tube body (7) is in threaded connection with a tube sleeve joint body (9), one end of the tube sleeve joint body (9) is fixedly connected with an insulating tube (10), and the other end of the insulating tube (10) is fixedly connected with an electrode ablation head (11).
6. A radio frequency ablation catheter in accordance with claim 1, wherein: the outer wall of the tube body (7) is fixedly connected with a silica gel ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022053977.3U CN213910491U (en) | 2020-09-18 | 2020-09-18 | Radio frequency ablation catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022053977.3U CN213910491U (en) | 2020-09-18 | 2020-09-18 | Radio frequency ablation catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213910491U true CN213910491U (en) | 2021-08-10 |
Family
ID=77161392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022053977.3U Expired - Fee Related CN213910491U (en) | 2020-09-18 | 2020-09-18 | Radio frequency ablation catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213910491U (en) |
-
2020
- 2020-09-18 CN CN202022053977.3U patent/CN213910491U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210810 |