CN209136860U - One kind can water injection type radio-frequency ablation electrode - Google Patents
One kind can water injection type radio-frequency ablation electrode Download PDFInfo
- Publication number
- CN209136860U CN209136860U CN201821118794.1U CN201821118794U CN209136860U CN 209136860 U CN209136860 U CN 209136860U CN 201821118794 U CN201821118794 U CN 201821118794U CN 209136860 U CN209136860 U CN 209136860U
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- CN
- China
- Prior art keywords
- water injection
- outer needle
- needle tubing
- type radio
- ablation electrode
- 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 - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
It can water injection type radio-frequency ablation electrode the utility model relates to one kind, including shank, outer needle tubing, operation handle, push handle, the shank is arranged in hollow outer needle tubing, the needle point of the shank is equipped with the sub- needle of umbrella, the head of shank is stretched out from one end of outer needle tubing, tail portion is stretched out from the other end of outer needle tubing and is connected with the push handle for pushing shank, a waterflood path is equipped in the outer needle tubing, the inner part of the waterflood path is connected to the hollow space of outer needle tubing, and the waterflood path is externally connected to water filling device.The present apparatus can be while carrying out ablative surgery, while saline injection, so that RF ablation range is bigger.
Description
Technical field
The utility model belongs to medical instruments field, and being related to one kind can water injection type radio-frequency ablation electrode.
Background technique
RF ablation shank is the critical component in radiofrequency ablation therapy system.It has to Guan Chong RF ablation effect
The effect wanted.The working end length of RF ablation shank and the shape of working end directly determine the range of ablated tumor volume, with
And the completeness of ablation range.There is a kind of ablative surgery to melt using water injection type at present, i.e., carries out ablative surgery on one side, lead on one side
Peristaltic pump is crossed toward aura tissue injection 0.05-0.5ml/min physiological saline, physiological saline penetrates into tissue, changes aura group
The impedance knitted, so that RF ablation range is bigger.But there is presently no a kind of devices can be realized simultaneously ablation and water filling
Process.
Utility model content
In view of this, the purpose of this utility model is to provide one kind can water injection type radio-frequency ablation electrode, can carry out
While ablative surgery, while saline injection, so that RF ablation range is bigger.
In order to achieve the above objectives, the utility model provides the following technical solutions:
One kind can water injection type radio-frequency ablation electrode, including shank, outer needle tubing, operation handle, push handle, the shank sets
It sets in hollow outer needle tubing, the needle point of the shank is equipped with the sub- needle of umbrella, and the head of shank is stretched from one end of outer needle tubing
Out, the push handle for pushing shank is stretched out from the other end of outer needle tubing and be connected in tail portion, is equipped with one in the outer needle tubing
A waterflood path, the inner part of the waterflood path are connected to the hollow space of outer needle tubing, and the waterflood path is externally connected to
Water filling device.
Further, the water filling device include fill the water bag and with the water injection pipe that connect of water filling bag, the water injection pipe and
Waterflood path connection.
Further, the water injection pipe passes through hollow a water filling connector and waterflood path.
Further, the waterflood path with the interface that connect of water filling connector equipped with internal screw thread, on the water filling connector
Equipped with corresponding external screw thread, the water filling connector is connect with water injection pipe.
Further, the water filling bag is fixed in operation handle.
Further, the water injection pipe is equipped with a micro-control valve door.
Further, the waterflood path be parallel to outer needle tubing axis be arranged in outer needle tubing, and with the outer needle tubing one
It is body formed.
Further, the quantity of the sub- needle is 6.
Further, the outside of the outer needle tubing is equipped with a layer insulating.
The utility model has the beneficial effects that: can be injected simultaneously while carrying out ablative surgery using the present apparatus
Physiological saline, so that RF ablation range is bigger.Device is simple and practical, at low cost.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
One kind as illustrated in fig. 1 and 2 can water injection type radio-frequency ablation electrode, including shank 1, outer needle tubing 2, operation handle 3, push
Handle 4, shank 1 are arranged in hollow outer needle tubing 2, and the needle point of shank 1 is equipped with the sub- needle 5 of umbrella, and the head of shank 1 is from outer
One end of needle tubing 2 is stretched out, and tail portion is stretched out from the other end of outer needle tubing 2 and is connected with the push handle 4 for pushing shank 1, outside
A waterflood path 6 is equipped in needle tubing 2, the inner part of waterflood path 6 is connected to the hollow space of outer needle tubing 2, outside waterflood path 6
Portion is connected with water filling device.Water filling device includes the water injection pipe 8 for filling the water bag 7 and connecting with water filling bag 7, and water injection pipe 8 and water filling are logical
Road 6 is connected to.
In the present embodiment, water injection pipe 8 passes through hollow a water filling connector 9 and waterflood path 6.Waterflood path 6 with water filling
The interface that connector 9 connects is equipped with internal screw thread, and water filling connector 9 is equipped with corresponding external screw thread, and water filling connector 9 and water injection pipe 8 connect
It connects.Water filling connector 9 is threadedly coupled with waterflood path 6, while ablation, be can extrude water filling bag, is filled the water by water filling bag 7.
In the present embodiment, water filling bag 7 is fixed in operation handle 3.Water filling bag 7 is fixed in operation handle 3, hand can be used
It when holding operation handle 3, fills the water in passing, more convenient to use, filling the water can be equipped on bag 7 for adding connecing for physiological saline
Mouthful, when the capacity for filling the water bag 7 is inadequate, adding physiological saline inside be can be used continuously.Water injection pipe 8 is miniature equipped with one
Control valve 10 can control water injection rate as needed.
In the present embodiment, waterflood path 6 be parallel to outer needle tubing 2 axis be arranged in outer needle tubing 2, and with outer needle tubing 2 one
It is body formed.The quantity of sub- needle 5 is 6.The outside of outer needle tubing 2 is equipped with a layer insulating.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (9)
1. one kind can water injection type radio-frequency ablation electrode, it is characterised in that: including shank, outer needle tubing, operation handle, push handle,
The shank is arranged in hollow outer needle tubing, and the needle point of the shank is equipped with the sub- needle of umbrella, and the head of shank is from outer needle
One end of pipe is stretched out, and the push handle for pushing shank, the outer needle are stretched out from the other end of outer needle tubing and be connected in tail portion
A waterflood path is equipped in pipe, the inner part of the waterflood path is connected to the hollow space of outer needle tubing, the waterflood path
It is externally connected to water filling device.
2. one kind according to claim 1 can water injection type radio-frequency ablation electrode, it is characterised in that: the water filling device includes
Water filling bag and the water injection pipe connecting with the water filling bag, the water injection pipe are connected to waterflood path.
3. one kind according to claim 2 can water injection type radio-frequency ablation electrode, it is characterised in that: the water injection pipe passes through one
Hollow water filling connector and waterflood path.
4. one kind according to claim 3 can water injection type radio-frequency ablation electrode, it is characterised in that: the waterflood path with
Fill the water connector connection interface be equipped with internal screw thread, the water filling connector be equipped with corresponding external screw thread, the water filling connector and
Water injection pipe connection.
5. one kind according to claim 4 can water injection type radio-frequency ablation electrode, it is characterised in that: the water filling bag is fixed on
In operation handle.
6. one kind according to claim 5 can water injection type radio-frequency ablation electrode, it is characterised in that: the water injection pipe is equipped with
One micro-control valve door.
7. one kind according to claim 1 can water injection type radio-frequency ablation electrode, it is characterised in that: the waterflood path is parallel
It is arranged in outer needle tubing in the axis of outer needle tubing, and is integrally formed with the outer needle tubing.
8. one kind according to claim 1 can water injection type radio-frequency ablation electrode, it is characterised in that: the quantity of the sub- needle is
6.
9. one kind according to claim 1 can water injection type radio-frequency ablation electrode, it is characterised in that: the outside of the outer needle tubing
Equipped with a layer insulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821118794.1U CN209136860U (en) | 2018-07-16 | 2018-07-16 | One kind can water injection type radio-frequency ablation electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821118794.1U CN209136860U (en) | 2018-07-16 | 2018-07-16 | One kind can water injection type radio-frequency ablation electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209136860U true CN209136860U (en) | 2019-07-23 |
Family
ID=67264621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821118794.1U Expired - Fee Related CN209136860U (en) | 2018-07-16 | 2018-07-16 | One kind can water injection type radio-frequency ablation electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209136860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012481A (en) * | 2019-12-31 | 2020-04-17 | 杭州堃博生物科技有限公司 | Radio frequency ablation catheter and radio frequency ablation system |
| CN114052894A (en) * | 2021-11-18 | 2022-02-18 | 上海睿速创生医疗科技有限公司 | Multi-electrode radio frequency ablation needle |
-
2018
- 2018-07-16 CN CN201821118794.1U patent/CN209136860U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012481A (en) * | 2019-12-31 | 2020-04-17 | 杭州堃博生物科技有限公司 | Radio frequency ablation catheter and radio frequency ablation system |
| CN111012481B (en) * | 2019-12-31 | 2023-12-01 | 杭州堃博生物科技有限公司 | Radio frequency ablation catheter and radio frequency ablation system |
| CN114052894A (en) * | 2021-11-18 | 2022-02-18 | 上海睿速创生医疗科技有限公司 | Multi-electrode radio frequency ablation needle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20200716 |