CN208511163U - Cryoablation treatment puncture needle - Google Patents
Cryoablation treatment puncture needle Download PDFInfo
- Publication number
- CN208511163U CN208511163U CN201720979924.XU CN201720979924U CN208511163U CN 208511163 U CN208511163 U CN 208511163U CN 201720979924 U CN201720979924 U CN 201720979924U CN 208511163 U CN208511163 U CN 208511163U
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- CN
- China
- Prior art keywords
- probe
- interlayer
- puncture needle
- air flue
- cryoablation treatment
- 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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- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The utility model provides a kind of cryoablation treatment puncture needle.The cryoablation treatment puncture needle includes handle, probe, air flue, thermal insulation layer, retardance face, the probe is set to the handle end, the air flue runs through the handle, and it extends in the probe, the first interlayer is formed between the air flue and the handle inner wall, the second interlayer is formed between the probe inner wall, a cavity is formed between the probe tip, the thermal insulation layer is set to second interlayer, it is arranged close to the probe inner wall, the retardance face is set between the air flue and the thermal insulation layer.The cryoablation treatment provided by the utility model solves the cryoablation treatment puncture needle use cost height of the prior art, the technical problem of Patient Experience difference with puncture needle.
Description
Technical field
The utility model relates to field of medical device, and in particular to a kind of cryoablation treatment puncture needle.
Background technique
Cryogenic freezing ablation is a kind of therapeutic modality melted with 0 to -190 DEG C of ultralow temperature to entity tumor, treatment
When mostly protrude into human body and operated by being equipped with the probe of gas path pipe.The probe restriction effect of the prior art is not bright enough
Aobvious, gas directly flows back after reaching needle point, and temperature change is slower.Operation duration is increased, the sense of discomfort of patient has been aggravated.
Utility model content
For the technical problem that the cryoablation treatment puncture needle temperature change of the solution prior art is slower, the utility model
A kind of cryoablation treatment puncture needle to solve the above problems is provided.
A kind of cryoablation treatment puncture needle, including handle, probe, air flue, thermal insulation layer, retardance face, the probe are set
In the handle end, the air flue runs through the handle, and extends in the probe, the air flue and the handle inner wall
Between form the first interlayer, form the second interlayer between the probe inner wall, between the probe tip formed a sky
Chamber, the thermal insulation layer are set to second interlayer, are arranged close to the probe inner wall, and the retardance face is set to the air flue and institute
It states between thermal insulation layer；
The retardance face is equipped with multiple stomatas through the retardance face, the air flue, the cavity, the stomata, institute
It states and is sequentially communicated between the second interlayer, first interlayer.
In a kind of preferred embodiment of cryoablation treatment puncture needle provided by the utility model, the cryoablation
Treatment puncture needle further includes connecting screw, and the connecting screw is set in the handle, and the probe passes through the connection spiral shell
Bar is connect with the handle.
In a kind of preferred embodiment of cryoablation treatment puncture needle provided by the utility model, the air flue is simultaneously
Through the connecting screw, third interlayer, second interlayer, the third are formed between the air flue and the connecting screw
Interlayer, first interlayer are sequentially communicated.
In a kind of preferred embodiment of cryoablation treatment puncture needle provided by the utility model, the cryoablation
Treatment puncture needle further includes sealing ring, and the sealing ring is set between the probe and the connecting screw.
In a kind of preferred embodiment of cryoablation treatment puncture needle provided by the utility model, the cryoablation
Treatment puncture needle further includes heat exchange fin, and the heat exchange fin is set to first interlayer, is arranged close to the air flue outer wall.
Compared to the prior art, the cryoablation treatment provided by the utility model puncture needle has below beneficial to effect
Fruit:
One, the cryoablation treatment is equipped with the retardance face with puncture needle, on the one hand further enhances restriction effect,
Temperature change is more rapid, and the region of variation of temperature is on the other hand limited to indiffusion at needle point, avoids damage to periphery health
Tissue.
Two, the cryoablation treatment is equipped with the heat exchange fin with puncture needle, is carried out using return-air residual temperature to air inlet pre-
Heat or pre-cooling, effectively increase the utilization rate of energy, reduce gas consumption.
Detailed description of the invention
Fig. 1 is the cross-sectional view of cryoablation treatment puncture needle provided by the utility model；
Fig. 2 is the partial enlarged view at the retardance face of Fig. 1；
Fig. 3 is the partial enlarged view at the connecting screw of Fig. 1；
Fig. 4 is the partial enlarged view at the heat exchange fin of Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.
Please refer to Fig. 1 to Fig. 4, wherein Fig. 1 is cuing open for cryoablation treatment puncture needle provided by the utility model
View, Fig. 2 are the partial enlarged views at the retardance face of Fig. 1, and Fig. 3 is the partial enlarged view at the connecting screw of Fig. 1, and Fig. 4 is figure
Partial enlarged view at 1 heat exchange fin.
Cryoablation treatment puncture needle 1 includes handle 11, probe 12, connecting screw 13, sealing ring 14, air flue
15, thermal insulation layer 16, heat exchange fin 17, retardance face 18.
The handle 11 is L shape, including an orthogonal long side and a short side, the connecting screw 13 are set to
In the short side end of the handle 11.
The probe 12 is connect by the connecting screw 13 with the handle 11.The sealing ring 14 is set to the probe
Between 12 and the connecting screw 13, prevent from generating gas leakage therebetween.
The air flue 15 in the long side of the handle 11, successively axially through the long side, the short side,
The connecting screw 13, until in the probe 12.On the way successively between the long side the first interlayer 21, with the connecting screw
It is formed between 13 between third interlayer 23 and the probe 12 and forms shape between the second interlayer 22 and the tip of the probe 12
At a cavity 20.
The heat exchange fin 17 is set to first interlayer, is set to 15 outside of air flue.
The thermal insulation layer 16 is set to second interlayer, is set to 12 inner wall of probe.The retardance face 18 is set to described
Between air flue 15 and the thermal insulation layer 16, both ends are simultaneously with the thermal insulation layer 16 close to the end of the cavity 20 and described
Air flue 15 is connected close to the end of the cavity 20.
Multiple stomatas 24 through the retardance face 18 are provided on the retardance face 18.
When it is implemented, it is consistent to treat the cryoablation treatments equipment such as operation and the argon helium knife of the prior art.
Gas can be via flowing to the cavity 20 in the air flue 15, then successively via the stomata 24, second folder
Layer 22, the third interlayer 23, first interlayer 21 discharge.Due to the presence in the retardance face 18, so that gas generates two
Secondary throttle effect has greatly accelerated the variation of temperature.
Compared to the prior art, the cryoablation treatment provided by the utility model puncture needle 1 has beneficial below
Effect:
One, the cryoablation treatment is equipped with the retardance face 18 with puncture needle 1, on the one hand further enhances throttling effect
Fruit, temperature change is more rapid, and the region of variation of temperature is on the other hand limited to indiffusion at needle point, and it is strong to avoid damage to periphery
Health tissue.
Two, the cryoablation treatment is equipped with the heat exchange fin 17 with puncture needle 1, is carried out using return-air residual temperature to air inlet
Preheating or pre-cooling, effectively increase the utilization rate of energy, reduce gas consumption.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass similarly includes within the scope of patent protection of the utility model.
Claims (5)
1. a kind of cryoablation treatment puncture needle, it is characterised in that: including handle, probe, air flue, thermal insulation layer, retardance face, institute
The end that probe is set to the handle is stated, the air flue runs through the handle, and extends in the probe, the air flue and institute
It states and forms the first interlayer between the inner wall of handle, form the second interlayer between the inner wall of the probe, the point with the probe
A cavity is formed between end, the thermal insulation layer is set to second interlayer, and the inner wall close to the probe is arranged, the retardance
Face is set between the air flue and the thermal insulation layer；
The retardance face is equipped with multiple stomatas through the retardance face, the air flue, the cavity, the stomata, described the
It is sequentially communicated between two interlayers, first interlayer.
2. cryoablation treatment puncture needle according to claim 1, it is characterised in that: the cryoablation treatment is with wearing
Pricker further includes connecting screw, the connecting screw be set to the handle in, the probe by the connecting screw with it is described
Handle connection.
3. cryoablation treatment puncture needle according to claim 2, it is characterised in that: the air flue runs through described simultaneously
Connecting screw forms third interlayer, second interlayer, the third interlayer, institute between the air flue and the connecting screw
The first interlayer is stated to be sequentially communicated.
4. cryoablation treatment puncture needle according to claim 2, it is characterised in that: the cryoablation treatment is with wearing
Pricker further includes sealing ring, and the sealing ring is set between the probe and the connecting screw.
5. cryoablation treatment puncture needle according to claim 1, it is characterised in that: the cryoablation treatment is with wearing
Pricker further includes heat exchange fin, and the heat exchange fin is set to first interlayer, and the outer wall close to the air flue is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720979924.XU CN208511163U (en) | 2017-08-08 | 2017-08-08 | Cryoablation treatment puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720979924.XU CN208511163U (en) | 2017-08-08 | 2017-08-08 | Cryoablation treatment puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208511163U true CN208511163U (en) | 2019-02-19 |
Family
ID=65326876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720979924.XU Expired - Fee Related CN208511163U (en) | 2017-08-08 | 2017-08-08 | Cryoablation treatment puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208511163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110200696A (en) * | 2019-06-13 | 2019-09-06 | 北京阳光易帮医疗科技有限公司 | Vacuum heat-insulation device, its manufacturing method and cryoablation needle |
| US11633224B2 (en) | 2020-02-10 | 2023-04-25 | Icecure Medical Ltd. | Cryogen pump |
-
2017
- 2017-08-08 CN CN201720979924.XU patent/CN208511163U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110200696A (en) * | 2019-06-13 | 2019-09-06 | 北京阳光易帮医疗科技有限公司 | Vacuum heat-insulation device, its manufacturing method and cryoablation needle |
| US11633224B2 (en) | 2020-02-10 | 2023-04-25 | Icecure Medical Ltd. | Cryogen pump |
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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: 20190219 Termination date: 20190808 |