CN212788680U - Needle-shaped ablation electrode - Google Patents
Needle-shaped ablation electrode Download PDFInfo
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- CN212788680U CN212788680U CN202020851822.1U CN202020851822U CN212788680U CN 212788680 U CN212788680 U CN 212788680U CN 202020851822 U CN202020851822 U CN 202020851822U CN 212788680 U CN212788680 U CN 212788680U
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- needle
- cylinder
- end cover
- ablation electrode
- circuit board
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Abstract
The utility model relates to a special surgical instruments and material preparation technical field disclose a needle-like electrode that melts, it includes the cylinder, install printed circuit board in the cylinder, still be provided with electricity on the cylinder and congeal switch and electricity and cut the switch, still be provided with the end cover on the cylinder, the end cover is passed to the one end of contact tube, the contact tube is connected with printed circuit board's output terminal, the one end of contact tube is provided with presss from both sides the needle tubing, its other end is provided with spacing platform, spring compression installs between spacing platform and end cover, it has radially seted up the double-layered groove along it to press from both sides the needle tubing, press from both sides tight tungsten needle through retracting into the end cover clamp, long logical groove has been seted up on the lateral wall of cylinder, the. The utility model has the advantages that: the slide block is pushed to enable the limiting table to compress the spring, the needle clamping tube is pushed out of the end cover, the needle clamping tube is opened at the moment to unlock the tungsten needle, the length of the tungsten needle is adjusted, and the deep and shallow operations can be completed by using one ablation electrode in one operation.
Description
Technical Field
The utility model relates to the technical field of special surgical instruments and material preparation, in particular to a needle-shaped ablation electrode.
Background
The ablation electrode belongs to a medical high-frequency instrument and equipment accessory, belongs to 6825 medical high-frequency instrument and equipment according to medical instrument classification catalogues, has a management class of II, is an old product widely used clinically, is matched with high-frequency operation equipment, and is respectively used for tissue cutting, separation, blood vessel clamping hemostasis, tissue coagulation and the like in various clinical surgical operations. The radiofrequency ablation electrode is an electrode used in radiofrequency ablation, is commonly used for treating tumors of liver, lung and other parts, and generally comprises an electrode needle, a handle and an electrode plug. When in use, the electrode plug is usually electrically connected to the radio frequency tumor ablation therapeutic apparatus, so that the tip of the electrode needle penetrates into the human tissue to reach the focus, and forms a loop with the human tissue in the focus area to generate high-frequency alternating current, and further the high-frequency alternating current is converted into high-temperature heat energy of at least 150 ℃ to kill tumor cells.
The ablation electrode (blood stopping device for surgery) is widely applied to various surgeries, and helps medical staff to quickly, effectively and safely complete cutting and blood coagulation in the surgery process through the functions of electric cutting and electric coagulation, so that blood loss in the surgery process is reduced. The ablation electrode is widely used in clinic at present, but most of the model specifications of the ablation electrode are fixed in length of a cutter head, and the phenomenon that a superficial operation and a deep operation must be completed in the same operation is often encountered during the operation, so that medical staff need to be equipped with the ablation electrodes with different fixed lengths to deal with the corresponding operations, the working strength of the medical staff is caused, and the operation time is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a needle-shaped ablation electrode to solve the problem that the needle head length of the existing ablation electrode is fixed.
The purpose of the utility model is realized through the following technical scheme: a needle-shaped ablation electrode comprises a needle cylinder with one closed end, wherein a printed circuit board is installed in the needle cylinder, an electrocoagulation switch and an electric cutting switch are further arranged on the needle cylinder, the electrocoagulation switch is connected with an electrocoagulation terminal of the printed circuit board, the electric cutting switch is connected with an electric cutting terminal of the printed circuit board, the printed circuit board is connected with an external power supply through an electric wire with a plug, and an end cover with a through hole is arranged at the open end of the needle cylinder, and the needle-shaped ablation electrode is characterized in that: the end cover is penetrated to one end of a conductive tube in the needle cylinder, the conductive tube is connected with an output terminal of the printed circuit board, the conductive tube penetrates through a circular truncated cone-shaped needle clamping tube arranged at one end of the needle cylinder, a limiting table is arranged on the side wall of the other end of the needle cylinder along the circumferential direction of the conductive tube, the large end of the needle clamping tube is far away from the limiting table, and is sleeved on the conductive tube, a spring is compressed and installed between the limiting table and the end cover, a clamping groove is radially formed in the needle clamping tube, one end of a tungsten needle in the conductive tube is extended out of the needle clamping tube, the needle clamping tube is retracted into the needle clamping tube, the end cover clamps the tungsten needle, a long through groove is formed in the side wall of the needle cylinder along the long direction of the needle cylinder, and.
Preferably, the needle cylinder is provided with a plurality of annular grooves which are uniformly distributed along the axial lead of the needle cylinder, the annular grooves are close to the end cover, and the side wall of the needle cylinder, which is far away from the end cover, is also provided with a nylon wire clamp.
Preferably, the cylinder is formed by buckling two semicircular tubes.
Preferably, the inner wall of the needle clamping tube is provided with anti-slip lines.
Preferably, the tungsten needle is provided with scale marks.
Preferably, the end cap is threadedly connected to the port of the barrel.
Preferably, the sliding block is provided with an anti-slip groove.
Compared with the prior art, the beneficial effects of the utility model are that: the slide block is pushed to enable the limiting table to compress the spring, the needle clamping tube is pushed out of the end cover, the needle clamping tube is opened at the moment to unlock the tungsten needle, the length of the tungsten needle is adjusted, and the deep and shallow operations can be completed by using one ablation electrode in one operation.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 4 is a schematic view of a slider mounting structure;
in the figure, 1-needle cylinder, 2-end cover, 3-conductive tube, 4-needle clamping tube, 5-limit table, 6-spring, 7-clamping groove, 8-tungsten needle, 9-long through groove, 10-slide block, 11-semicircular tube, 12-antiskid groove, 13-printed circuit board, 14-wire, 15-plug, 16-nylon wire clamp, 17-electrocoagulation switch, 18-electrotomy switch and 19-annular groove.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
As shown in fig. 1-4, a needle-shaped ablation electrode comprises a needle cylinder 1 with one closed end, a printed circuit board 13 is installed in the needle cylinder 1, the printed circuit board 13 is connected with an external power supply through an electric wire 14 with a plug 15, an electrocoagulation switch 17 and an electrotomy switch 18 are also arranged on the needle cylinder 1, the printed circuit board 13, the electrocoagulation switch 17 and the electrotomy switch 18 are all the same as the existing ablation electrode needle, the connection of the electrocoagulation switch 17 and the electrotomy switch 18 with the printed circuit board 13 adopts the prior art, so that the detailed description is omitted, an end cover 2 with a through hole is arranged at the open end of the needle cylinder 1, the needle cylinder 1 and the end cover 2 are both made of high polymer polypropylene materials, one end of a conductive tube 3 positioned in the needle cylinder 1 penetrates through the end cover 2, one end of the conductive tube 3 penetrating through the needle cylinder 1 is provided with a truncated cone, the big end of the needle clamping tube 4 is far away from the limit station 5, the spring 6 sleeved on the conductive tube 3 is installed between the limit station 5 and the end cover 2 in a compression way, the needle clamping tube 4 is provided with a clamping groove 7 along the radial direction, one end of the tungsten needle 8 positioned in the conductive tube 3 passes through the needle clamping tube 4, the tungsten needle 8 is clamped by retracting the needle clamping tube 4 into the end cover 2, the shape of the tungsten needle 8 is not limited to a sharp needle and a square needle, the length and the size of the tungsten needle are determined according to the actual use condition, the side wall of the needle cylinder 1 is provided with a long through groove 9 along the long direction, a sliding block 10 clamped on the limit station 5 is installed in the long through groove 9 in a sliding way, the tungsten needle 8 is electrically connected with the output end of the printed circuit board 13 through the conductive tube 3 to replace the tungsten needle 8 in the prior art to be directly electrically connected with the output end of the printed circuit board, therefore, details are not described, after the tungsten needle 8 is electrically connected with the output end of the printed circuit board 13 through the conductive tube 3, the needle clamping tube 4 is pushed out of the end cover 2 by pushing the sliding block 10 to compress the spring 6, the clamping groove 7 of the needle clamping tube 4 pushing out the end cover 2 is opened, the tungsten needle 8 is unlocked so as to adjust the length of the tungsten needle, the sliding block 10 is loosened after the length adjustment of the tungsten needle 8 is completed, the needle clamping tube 4 is collected into the end cover 2 under the elastic restoring force of the spring 6, so that the tungsten needle 8 is clamped, the phenomenon that the tungsten needle 8 rotates in the using process, the rotating tungsten needle 8 cannot be electrically cut or electrocoagulated accurately is avoided, and the risk of medical accidents is increased.
In this embodiment, as shown in fig. 1-4, the needle cylinder 1 is provided with a plurality of annular grooves 19 uniformly distributed along the axial line of the needle cylinder 1, the annular grooves 19 are close to the end cover 2, the sidewall of the needle cylinder 1 away from the end cover 2 is further provided with a nylon wire clamp 16, the annular grooves 19 increase the friction force when the needle cylinder 1 is held by hand, the needle cylinder 1 is prevented from sliding off in the operation process, and the electric wire 14 is accommodated into the annular grooves 19 after the operation, and the plug 15 is fixed on the nylon wire clamp 16, so as to prevent the accommodated electric wire 14 from being loose.
In this embodiment, as shown in fig. 1-4, the syringe 1 is formed by two semicircular tubes 11, so as to facilitate the installation of the components of the syringe 1, and the semicircular tubes are fastened after the components are installed.
In the present embodiment, as shown in fig. 1 to 4, the inner wall of the needle clamping tube 4 is provided with anti-slip lines, which increases the friction force between the tungsten needle 8 and the needle clamping tube 4, and further prevents the tungsten needle 8 from rotating relative to the needle clamping tube 4 during the use process.
In this embodiment, as shown in fig. 1 to 4, the tungsten needle 8 is provided with scale marks, and the scale marks indicate the maximum extension length of the tungsten needle 8, so as to prevent the tungsten needle 8 from falling off after being stressed due to insufficient clamping force during use.
In this embodiment, as shown in fig. 1-4, the end cap 2 is screwed to the port of the syringe 1, the outer sidewall of the port of the syringe 1 is provided with threads, and the end cap 2 is screwed onto the syringe 1 to tightly fasten the semicircular tube 11.
In this embodiment, as shown in fig. 1-4, the sliding block 10 is provided with an anti-slip groove 12 to avoid the phenomenon of slipping during the pushing process of the sliding block 10.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A needle-shaped ablation electrode comprises a needle cylinder with one closed end, wherein a printed circuit board is installed in the needle cylinder, an electrocoagulation switch and an electric cutting switch are further arranged on the needle cylinder, the electrocoagulation switch is connected with an electrocoagulation terminal of the printed circuit board, the electric cutting switch is connected with an electric cutting terminal of the printed circuit board, the printed circuit board is connected with an external power supply through an electric wire with a plug, and an end cover with a through hole is arranged at the open end of the needle cylinder, and the needle-shaped ablation electrode is characterized in that: the end cover is penetrated to the one end that is located the electrically conductive pipe in the cylinder, the electrically conductive pipe with printed circuit board's output terminal is connected, the electrically conductive pipe passes the one end of cylinder is provided with the double-layered needle tubing of round platform form, is provided with spacing platform along its circumference on the lateral wall of its other end, the main aspects of double-layered needle tubing are kept away from spacing platform, the cover spring compression on the electrically conductive pipe is installed spacing platform with between the end cover, double-layered needle tubing has seted up along its radial clamp groove, is located the one end of the tungsten needle in the electrically conductive pipe is passed double-layered needle tubing, through with it contracts to press from both sides the needle tubing the end cover presss from both sides tightly the tungsten needle, long logical groove has been seted up along its long direction on the lateral wall of cylinder, the card is in slider slidable.
2. An needle-like ablation electrode according to claim 1, wherein: the needle cylinder is provided with a plurality of annular grooves which are uniformly distributed along the axial lead of the needle cylinder, the annular grooves are close to the end cover, and the side wall of the needle cylinder, which is far away from the end cover, is also provided with a nylon wire clamp.
3. An needle-like ablation electrode according to claim 1 or 2, characterized in that: the needle cylinder is formed by buckling two semicircular tubes.
4. An needle-like ablation electrode according to claim 3, wherein: the inner wall of the needle clamping tube is provided with anti-slip lines.
5. An needle-like ablation electrode according to claim 4, wherein: and the tungsten needle is provided with scale marks.
6. An needle-like ablation electrode according to claim 5, wherein: the end cover is in threaded connection with the port of the needle cylinder.
7. An needle-like ablation electrode according to claim 6, wherein: the sliding block is provided with an anti-slip groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851822.1U CN212788680U (en) | 2020-05-20 | 2020-05-20 | Needle-shaped ablation electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851822.1U CN212788680U (en) | 2020-05-20 | 2020-05-20 | Needle-shaped ablation electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212788680U true CN212788680U (en) | 2021-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020851822.1U Expired - Fee Related CN212788680U (en) | 2020-05-20 | 2020-05-20 | Needle-shaped ablation electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212788680U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176644A (en) * | 2021-12-10 | 2022-03-15 | 赵俊立 | Clinical multi-functional diagnostic device that uses |
| CN114774748A (en) * | 2022-04-26 | 2022-07-22 | 上海超淼争锋生物科技有限公司 | High-toughness tungsten-based alloy, preparation process and application thereof |
| CN115153814A (en) * | 2022-06-23 | 2022-10-11 | 上海玮琅医疗科技有限公司 | Bracket type radio frequency ablation catheter |
-
2020
- 2020-05-20 CN CN202020851822.1U patent/CN212788680U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176644A (en) * | 2021-12-10 | 2022-03-15 | 赵俊立 | Clinical multi-functional diagnostic device that uses |
| CN114774748A (en) * | 2022-04-26 | 2022-07-22 | 上海超淼争锋生物科技有限公司 | High-toughness tungsten-based alloy, preparation process and application thereof |
| CN115153814A (en) * | 2022-06-23 | 2022-10-11 | 上海玮琅医疗科技有限公司 | Bracket type radio frequency ablation catheter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 |