CN209499889U - A kind of interventional minimally-invasive subtracts the ablation needle of tire application - Google Patents
A kind of interventional minimally-invasive subtracts the ablation needle of tire application Download PDFInfo
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- CN209499889U CN209499889U CN201820946209.0U CN201820946209U CN209499889U CN 209499889 U CN209499889 U CN 209499889U CN 201820946209 U CN201820946209 U CN 201820946209U CN 209499889 U CN209499889 U CN 209499889U
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Abstract
The utility model discloses the ablation needles that a kind of interventional minimally-invasive subtracts tire application, including ceramics ablation syringe needle and handle, the lower end of the ceramics ablation syringe needle is connected with antenna for radiating microwave, temperature transducer and ablation shank are connected with below the cutting ferrule, the ablation shank is internally provided with coaxial cable and cooling capillary, cooling water temperature display is provided with below the tread plate, and cooling water inlet interface is connected with below cooling water temperature display, and cooling water outlet interface is provided on the right side of cooling water inlet interface, microwave output interface is provided on the right side of the cooling water outlet interface, the outer surface of the antenna for radiating microwave is provided with surrounding layer, the deielectric-coating is internally provided with insulating layer, the insulating layer is internally provided with radiation conductor.This subtract tire syringe needle can constant temperature or temperature control, cooperate microwave therapy apparatus, can effectively control ablation range, subtract tire safely, reduce wound face, raising subtracts tire operation safety.
Description
Technical field
The utility model relates to ablation needle technical field, specially a kind of interventional minimally-invasive subtracts the ablation needle of tire application.
Background technique
Fetal reduction be depauperation is terminated in multifetation, deformity or excessive fetus continue to develop, to reduce
Pregnant woman and foetal condition, it is ensured that the technology that healthy fetus is normally survived and developed, multifetation subtract tire mode and chorion
Property is related, for single chorion multifetation be not available it is currently used subtract tire method, i.e., simple embryonic tissue suction method,
The injection of suction combination medicine or machinery strangle, drug injection etc..The tire method that subtracts that can be used has radio frequency to subtract tire technology, fetus
Ligature of the cord technology under mirror, bipolar coagulation umbilical cord is performed the operation under fetoscope.At present these subtract tire operation there are certain risk, radio frequencies
Subtract tire operation and need to install electrode plate, document report has the risk for causing parent to damage, and fetus arthroscopic diagnosis wound increases, therefore
It needs to release more preferable technology and meets the needs of clinical；Existing microwave melt needle can not precisely temperature control and measure perienchyma temperature
Degree is unable to satisfy clinical actual demand, it is therefore desirable to which developing a minimally invasive intervention ablation needle (for subtracting tire operation) is market
Demand.
For this purpose, we, which provide a kind of improved microwave melt needle, designs one kind by the change to existing microwave melt needle
Subtract tire needle, this subtract tire syringe needle can constant temperature or temperature control, cooperation microwave therapy apparatus be accurate to being precisely controlled for second, so as to effectively control
Ablation range processed subtracts safely tire, reduces wound face and side effect, reduces operation risk, improves the safety for subtracting tire operation, improves
Therapeutic effect.
Utility model content
The purpose of this utility model is to provide the ablation needles that a kind of interventional minimally-invasive subtracts tire application, to solve above-mentioned background skill
The freezing range of the existing microwave melt needle proposed in art is excessive, melts the excessively high damage for easily causing perienchyma of temperature of syringe needle
Wound, there are unreliable risks, influence the survival rate of other fetuses, and the diameter of existing its thermometric needle of microwave melt needle is all relatively thick, and one
As in 1.6mm or more, the problem of easily causing the damage of normal tissue.
To achieve the above object, the utility model provides the following technical solutions: a kind of interventional minimally-invasive subtracts the ablation of tire application
The lower end of needle, including ceramics ablation syringe needle and handle, the ceramics ablation syringe needle is connected with antenna for radiating microwave, and microwave radiation
It is provided with cutting ferrule below antenna, temperature transducer and ablation shank, and temperature transducers are connected separately with below the cutting ferrule
Device is located at below the tie point of ablation shank and cutting ferrule, is respectively arranged with coaxial cable and cold inside the body of rod of the ablation shank
But capillary, and cooling capillary is wrapped in the outside of coaxial cable, the end of the ablation shank is connected with handle, the hand
The outer surface of handle is provided with tread plate, and handle is set to the end of ablation shank, is provided with cooling below the tread plate
Coolant-temperature gage display, and cooling water inlet interface is connected with below cooling water temperature display, and the right side of cooling water inlet interface
It is provided with cooling water outlet interface, microwave output interface, the antenna for radiating microwave are provided on the right side of the cooling water outlet interface
Outer surface be provided with surrounding layer, and the inner surface of surrounding layer is connected with deielectric-coating, and the inside of the deielectric-coating is respectively arranged with
Insulating layer and cooling water cavity, and cooling water cavity is located at the middle position of deielectric-coating and insulating layer, the inside setting of the insulating layer
There is radiation conductor.
Preferably, the connection type of the ablation shank and cutting ferrule is laser welding connection.
Preferably, the hardening effect of radiation section length range of the antenna for radiating microwave is 3mm~50mm, and hardening effect of radiation area is straight
Diameter range is 0.5mm~40mm.
Preferably, the outer diameter of the antenna for radiating microwave is consistent with the ablation outer diameter of shank, and the length for melting shank is
20cm。
Preferably, the tread plate is symmetrically arranged with 12 groups about the central point of handle.
Preferably, the surrounding layer is fitted closely with deielectric-coating, and surrounding layer is identical as the length of deielectric-coating.
Compared with prior art, the utility model has the beneficial effects that the ablation needle that the interventional minimally-invasive subtracts tire application passes through
Change to existing microwave melt needle designs one kind and subtracts tire needle, this subtract tire syringe needle can constant temperature or temperature control, utilize temperature transducer real
When obtain surgical procedure region accurate temperature, cooperation microwave therapy apparatus be accurate to the second be precisely controlled radiation intensity and radiation position
Variation is set, so as to effectively control radiation ablation range, subtracts tire safely, reduces wound face and side effect, avoid to healthy tire
Youngster causes to accidentally injure, and reduces operation risk, improves the safety for subtracting tire operation, improves the tissue health degree of parent, improves treatment
Effect adds its temperature transducer at the needle point of the ablation needle, convenient for the temperature of control ablation syringe needle treatment region, to reach control
The temperature of perienchyma processed does not influence the fetal safety on its periphery, to reduce the risk of operation.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is partial enlarged view at the utility model A；
Fig. 3 is antenna for radiating microwave structural schematic diagram；
Fig. 4 is that the utility model generates microwave flow chart.
In figure: 1, ceramics ablation syringe needle, 2, antenna for radiating microwave, 3, temperature transducer, 4, ablation shank, 5, coaxial electrical
Cable, 6, cooling capillary, 7, handle, 8, tread plate, 9, cooling water temperature display, 10, cooling water inlet interface, 11, it is cooling go out
Water interface, 12, microwave output interface, 13, surrounding layer, 14, deielectric-coating, 15, insulating layer, 16, radiation conductor, 17, cooling water cavity,
18, cutting ferrule.
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 describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, the utility model provides a kind of technical solution: a kind of interventional minimally-invasive subtracts the ablation needle of tire application,
Including ceramics ablation syringe needle 1 and handle 7, it is characterised in that: the lower end of ceramics ablation syringe needle 1 is connected with antenna for radiating microwave 2, and
The lower section of antenna for radiating microwave 2 is provided with cutting ferrule 18, and the lower section of cutting ferrule 18 is connected separately with temperature transducer 3 and ablation shank 4,
And temperature transducer 3 is located at below the tie point of ablation shank 4 and cutting ferrule 18, melts and is respectively arranged with inside the body of rod of shank 4
Coaxial cable 5 and cooling capillary 6, and cooling capillary 6 is wrapped in the outside of coaxial cable 5, the end connection of ablation shank 4
There is handle 7, the outer surface of handle 7 is provided with tread plate 8, and handle 7 is set to the end of ablation shank 4, the lower section of tread plate 8
It is provided with cooling water temperature display 9, and the lower section of cooling water temperature display 9 is connected with cooling water inlet interface 10, and cooling
The right side of water inlet interface 10 is provided with cooling water outlet interface 11, and the right side of cooling water outlet interface 11 is provided with microwave output interface
12, the outer surface of antenna for radiating microwave 2 is provided with surrounding layer 13, and the inner surface of surrounding layer 13 is connected with deielectric-coating 14, medium
The inside of film 14 is respectively arranged with insulating layer 15 and cooling water cavity 17, and cooling water cavity 17 is located at deielectric-coating 14 and insulating layer 15
Middle position, insulating layer 15 are internally provided with radiation conductor 16, and the connection type for melting shank 4 and cutting ferrule 18 is laser welding
The phenomenon that connection, being connected using laser welding mode can make intensity stronger, be not in fracture, to reduce the wind of operation
Danger, the hardening effect of radiation section length range of antenna for radiating microwave 2 are 3mm~50mm, hardening effect of radiation area diameter range be 0.5mm~
40mm, 3 model pt100 type of temperature transducer can be in real time by operating area temperature Real-time Feedback to operator, and reality exists
Can be according to the temperature of operative region and the big minor adjustment radiation intensity of fetus in operating process, accurate control operation hardening effect of radiation area
Range, the outer diameter of antenna for radiating microwave 2 is consistent with the ablation outer diameter of shank 4, and the length for melting shank 4 is 20cm, relatively light
The concentricity of puncture can be improved in sliding instrument surface, is convenient for accurate Needle localization, and overall tightness is reinforced, and can be improved anti-
Radiation and acquisition have preferable flexibility, and tread plate 8 is symmetrically arranged with 12 groups about the central point of handle 7, anti-using multiple groups
The setting of draw runner 8 conducive to the armed stabilization of medical worker, is reduced because of accidental wound caused by instrument slides in the course of surgery
Evil, surrounding layer 13 is fitted closely with deielectric-coating 14, and surrounding layer 13 is identical as the length of deielectric-coating 14, using deielectric-coating 14 and outside
The structure that covering 13 fits closely, can prevent in the course of surgery microwave unnecessary injury is caused to health tissues so that
Operation risk further reduces.
Working principle: ceramics ablation syringe needle 1 is probeed into operative region, was occurred according to the microwave for generating microwave flow chart
Journey opens microwave ablation operation, in surgical procedure needle, generates microwave using antenna for radiating microwave 2, in ceramics ablation syringe needle 1
Under the guidance of position, the fetus for needing to melt is found, while according to the feedback temperature of temperature transducer 3, adjusting cooling water inlet in real time
The unlatching size of interface 10 and cooling water outlet interface 11, precise control of temperature, while according to the display of cooling water temperature display 9
Temperature, the cooling temperature needed for the at a temperature of guarantee of reasonable is performed the operation, while abnormal temperature is reduced to patient's interior tissue
Irritation allows antenna for radiating microwave 2 continuously and uninterruptedly to carry out microwave transmission under the transmitting effect of coaxial cable 5
Transmitting is wrapped in the outboard structure feature of coaxial cable 5 using cooling capillary 6, subtracts tire application to entire interventional minimally-invasive and disappear
Melt needle and carry out direct water-cooling processing, and medical worker can use the anti-slip features of tread plate 8 when hand-held handle 7, put down
Steady gripping interventional minimally-invasive subtracts the ablation needle of tire application, improves the surgical effect that precise positioning ablation is kept when being performed the operation.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of interventional minimally-invasive subtracts the ablation needle of tire application, including ceramics ablation syringe needle (1) and handle (7), it is characterised in that: institute
The lower end for stating ceramics ablation syringe needle (1) is connected with antenna for radiating microwave (2), and is provided with card below antenna for radiating microwave (2)
It covers (18), temperature transducer (3) and ablation shank (4), and temperature transducer (3) is connected separately with below the cutting ferrule (18)
Below the tie point of ablation shank (4) and cutting ferrule (18), it is respectively arranged with inside the body of rod of ablation shank (4) coaxial
Cable (5) and cooling capillary (6), and cooling capillary (6) are wrapped in the outside of coaxial cable (5), the ablation shank (4)
End be connected with handle (7), the outer surface of the handle (7) is provided with tread plate (8), and handle (7) is set to ablation needle
The end of bar (4) is provided with cooling water temperature display (9) below the tread plate (8), and cooling water temperature display
(9) it is connected with below cooling water inlet interface (10), and is provided with cooling water outlet interface on the right side of cooling water inlet interface (10)
(11), it is provided with microwave output interface (12) on the right side of the cooling water outlet interface (11), outside the antenna for radiating microwave (2)
Surface is provided with surrounding layer (13), and the inner surface of surrounding layer (13) is connected with deielectric-coating (14), the deielectric-coating (14) it is interior
Portion is respectively arranged with insulating layer (15) and cooling water cavity (17), and cooling water cavity (17) is located at deielectric-coating (14) and insulating layer (15)
Middle position, the insulating layer (15) is internally provided with radiation conductor (16).
2. the ablation needle that a kind of interventional minimally-invasive according to claim 1 subtracts tire application, it is characterised in that: the ablation shank
It (4) is that laser welding is connect with the connection type of cutting ferrule (18).
3. the ablation needle that a kind of interventional minimally-invasive according to claim 1 subtracts tire application, it is characterised in that the microwave radiation
The hardening effect of radiation section length range of antenna (2) is 3mm~50mm, and hardening effect of radiation area diameter range is 0.5mm~40mm.
4. the ablation needle that a kind of interventional minimally-invasive according to claim 1 subtracts tire application, it is characterised in that: the microwave radiation
The outer diameter of antenna (2) is consistent with the ablation outer diameter of shank (4), and the length for melting shank (4) is 20cm.
5. the ablation needle that a kind of interventional minimally-invasive according to claim 1 subtracts tire application, it is characterised in that: the tread plate
(8) central point about handle (7) is symmetrically arranged with 12 groups.
6. the ablation needle that a kind of interventional minimally-invasive according to claim 1 subtracts tire application, it is characterised in that: the surrounding layer
(13) it is fitted closely with deielectric-coating (14), and surrounding layer (13) is identical as the length of deielectric-coating (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820946209.0U CN209499889U (en) | 2018-06-20 | 2018-06-20 | A kind of interventional minimally-invasive subtracts the ablation needle of tire application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820946209.0U CN209499889U (en) | 2018-06-20 | 2018-06-20 | A kind of interventional minimally-invasive subtracts the ablation needle of tire application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209499889U true CN209499889U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820946209.0U Active CN209499889U (en) | 2018-06-20 | 2018-06-20 | A kind of interventional minimally-invasive subtracts the ablation needle of tire application |
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| CN (1) | CN209499889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262044A (en) * | 2021-05-14 | 2021-08-17 | 云南普慧医疗科技有限公司 | Microwave ablation needle capable of measuring temperature |
-
2018
- 2018-06-20 CN CN201820946209.0U patent/CN209499889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262044A (en) * | 2021-05-14 | 2021-08-17 | 云南普慧医疗科技有限公司 | Microwave ablation needle capable of measuring temperature |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200917 Address after: 100083 No. 49 Garden North Road, Beijing, Haidian District Patentee after: PEKING University THIRD HOSPITAL (PEKING UNIVERSITY THIRD CLINICAL MEDICAL College) Patentee after: NANJING ECO MICROWAVE SYSTEM Co.,Ltd. Address before: 210000, Nanjing, Pukou Economic Development Zone, Jiangsu, Wanshou Road 15, Nanjing Industrial Science and Technology Industrial Park J5 on the third floor, four floor Patentee before: NANJING ECO MICROWAVE SYSTEM Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100083 No. 49 Garden North Road, Beijing, Haidian District Patentee after: PEKING University THIRD HOSPITAL (PEKING UNIVERSITY THIRD CLINICAL MEDICAL College) Patentee after: Nanjing Yigao Medical Technology Co.,Ltd. Address before: 100083 No. 49 Garden North Road, Beijing, Haidian District Patentee before: PEKING University THIRD HOSPITAL (PEKING UNIVERSITY THIRD CLINICAL MEDICAL College) Patentee before: NANJING ECO MICROWAVE SYSTEM Co.,Ltd. |