CN108186056B - Radio frequency ablation negative pressure biopsy gun - Google Patents
Radio frequency ablation negative pressure biopsy gun Download PDFInfo
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- CN108186056B CN108186056B CN201711462411.2A CN201711462411A CN108186056B CN 108186056 B CN108186056 B CN 108186056B CN 201711462411 A CN201711462411 A CN 201711462411A CN 108186056 B CN108186056 B CN 108186056B
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- radio frequency
- needle
- negative pressure
- biopsy
- frequency ablation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments
- A61B2010/045—Needles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00071—Electrical conductivity
- A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Otolaryngology (AREA)
- Radiology & Medical Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a radio frequency ablation negative pressure biopsy gun, which comprises a negative pressure biopsy component, a radio frequency ablation component and a positioning rotary disc rack; the negative pressure biopsy assembly comprises a sampling needle, a negative pressure flow guide device and a tissue biopsy piston measuring cylinder; the radio frequency ablation assembly comprises a radio frequency ablation needle, a needle body ejection device and a thermocouple electrode wiring; the positioning rotary plate frame comprises a gun changing shaft fixedly connected to the negative pressure biopsy assembly and a circular plate frame which is pivotally connected to the gun changing shaft; the sampling needle and the radio frequency ablation needle are arranged on the tray frame in a penetrating mode, and the distance between the axis of the sampling needle and the distance between the axis of the radio frequency ablation needle and the tray frame are equal. This radiofrequency ablation negative pressure biopsy rifle is through melting the needle with the radiofrequency and negative pressure sampling needle is integrated in a set of apparatus for the biopsy step can closely link up going on with melting and kill the step, and the carousel form makes the sample site correspond and melts the position, makes the judgement and the treatment of focus position more accurate and swift, extensively is applicable to the treatment of tumour and other malignant proliferative nature diseases.
Description
Technical Field
The invention relates to a medical instrument, in particular to a radio frequency ablation negative pressure biopsy gun.
Background
The radio frequency ablation is to destroy the pathological tissue in the organism by using electromagnetic wave with certain frequency to achieve the purpose of treating diseases, and belongs to the local minimally invasive thermotherapy technology. RFA does not cause neuromuscular response and biological ionization effect of organisms, and is clinically and widely applied to patients with solid tumors and non-tumor patients for 20 years. The pathological aspiration biopsy has been clinically used for more than 50 years. The clinical application of the biopsy gun 10 is gradually increased for more years, the technical progress is frequently seen, but no instrument capable of integrating the biopsy investigation and the radio frequency ablation treatment into a unified treatment is available. The Chinese market is full of American Padd, Qiangsheng, Germany Baoya, Italian prisai, Delimate, Japan TSK, eight light biopsy needles and other series. All biopsy needles currently have certain defects and complications in application.
Disclosure of Invention
The technical problem to be solved by the present invention is how to overcome the above-mentioned defects of the prior art, and a radio frequency ablation negative pressure biopsy gun is provided.
In order to solve the technical problem, the radio frequency ablation negative pressure biopsy gun comprises a negative pressure biopsy component, a radio frequency ablation component and a positioning rotary disc rack; the negative pressure biopsy assembly comprises a sampling needle, a negative pressure flow guide device and a tissue biopsy piston measuring cylinder; the radio frequency ablation assembly comprises a radio frequency ablation needle, a needle body ejection device and a thermocouple electrode wiring; the positioning rotary plate frame comprises a gun changing shaft fixedly connected to the negative pressure biopsy assembly and a circular plate frame which is pivotally connected to the gun changing shaft; the sampling needle and the radio frequency ablation needle are arranged on the tray frame in a penetrating mode, and the distance between the axis of the sampling needle and the distance between the axis of the radio frequency ablation needle and the tray frame are equal.
Preferably, the damping piston is arranged in the tissue biopsy piston measuring cylinder, the upper end of the tissue biopsy piston measuring cylinder is provided with a neck tube used for being connected with a pipeline, the lower end of the tissue biopsy piston measuring cylinder is provided with a sucking disc used for fixing, and the outer surface of the tissue biopsy piston measuring cylinder is provided with a scale marking used for measuring the volume of a biopsy sample.
Preferably, the sampling needle is a hollow tubular puncture needle head, the upper end of the sampling needle is provided with a sample groove communicated with the inside of the needle tube, and the lower part of the sampling needle is provided with a flow regulator for controlling the flow speed of the sample.
Preferably, the negative pressure flow guide device comprises a negative pressure bag, a pressure release valve and an air passage, wherein the negative pressure bag is a rubber balloon and is communicated with the neck tube of the biopsy piston measuring cylinder through the air passage.
Preferably, the radio frequency ablation needle is a hollow tubular puncture needle head, the top end of the radio frequency ablation needle is a blind end provided with a thermocouple, two side holes are formed in the blind end, an insulating layer is coated below the blind end, the blind end of the radio frequency ablation needle is connected with a positive electrode lead extending into the needle tube along the thermocouple, the lower end of the radio frequency ablation needle is connected with a negative electrode lead, and the insulating layer on the outer wall of the radio frequency ablation needle is provided with a scale mark for measuring the puncture length.
Preferably, the tray frame is provided with a rotating handle piece used for the pinching and rotating operation of the surgical forceps and a rotating disc handle used for the manual rotating operation.
Preferably, the needle body ejection device comprises a shell and a return spring, a radio frequency ablation needle triggering and recycling rotary button is arranged in the tray frame, the lower end of the radio frequency ablation needle extends into the shell and is fixedly connected with the upper end of the return spring, a section of ratchet is arranged on an insulating layer of the radio frequency ablation needle, and a ratchet meshed with the ratchet is arranged in the tray frame of the radio frequency ablation needle triggering and recycling rotary button. When the radio frequency ablation needle is pulled out to trigger the recovery rotary button, the ratchet is separated from the ratchet wheel, and the triggering of the radio frequency ablation needle is completed under the thrust of the elastic return spring which is normally in a compressed state; the radio frequency ablation needle is triggered to recover the rotary button to return and rotate, and the ratchet drives the ratchet to enable the radio frequency ablation needle to linearly move, so that the recovery of the radio frequency ablation needle is completed.
The radio frequency ablation negative pressure biopsy gun has the advantages of simple structure principle, low manufacturing cost and convenient use and operation, and the radio frequency ablation needle and the negative pressure sampling needle are integrated into one set of apparatus, so that the biopsy step and the ablation killing step can be closely connected, and the sampling position corresponds to the ablation position in a turntable mode, so that the judgment and treatment of the focus part are more accurate and rapid, and the radio frequency ablation negative pressure biopsy gun is widely suitable for the treatment of tumors and other malignant proliferative diseases.
Drawings
The invention is further explained by the following radio frequency ablation negative pressure biopsy gun with the attached drawings:
fig. 1 is a schematic plan structure diagram of the radio frequency ablation negative pressure biopsy gun.
Detailed Description
As shown in fig. 1, the radiofrequency ablation negative pressure biopsy gun comprises a negative pressure biopsy assembly, a radiofrequency ablation assembly and a positioning rotary disc frame; the negative pressure biopsy assembly comprises a sampling needle 1, a negative pressure flow guide device 2 and a tissue biopsy piston measuring cylinder 3; the radio frequency ablation assembly comprises a radio frequency ablation needle 4, a needle body ejection device 5 and a thermocouple electrode wiring 6; the positioning rotary disk rack comprises a gun changing shaft 7 fixedly connected to the negative pressure biopsy assembly and a circular disk rack 8 pivotally connected to the gun changing shaft 7; the sampling needle 1 and the radio frequency ablation needle 4 are arranged on the tray frame 8 in a penetrating mode, and the distance between the axis of the sampling needle 1 and the axis of the radio frequency ablation needle 4 and the tray frame 8 is equal. The tissue biopsy piston measuring cylinder 3 is internally provided with a damping piston 301, the upper end of the tissue biopsy piston measuring cylinder 3 is provided with a neck 302 for connecting a pipeline, the lower end of the tissue biopsy piston measuring cylinder is provided with a sucking disc 303 for fixing, and the outer surface of the tissue biopsy piston measuring cylinder is provided with a scale marking 304 for measuring the volume of a biopsy sample. The sampling needle 1 is a hollow tubular puncture needle head, the upper end of the sampling needle 1 is provided with a sample groove 101 communicated with the inside of the needle tube, and the lower part of the sampling needle 1 is provided with a flow regulator 102 for controlling the flow speed of a sample. The negative pressure flow guiding device 2 comprises a negative pressure bag 201, a pressure release valve 202 and an air passage 203, wherein the negative pressure bag 201 is a rubber balloon and is communicated with a neck tube 302 of the biopsy piston measuring cylinder 3 through the air passage 203. Radio frequency melts needle 4 and is the cavity tubulose puncture needle head, and its top is for being equipped with thermoelectric couple's cecum 401 to open in this cecum 401 has the two side holes, scribbles insulating layer 403 below the cecum 401, radio frequency melts needle 4's cecum 401 thermoelectric couple connection along the anodal wire 601 that the needle tubing stretched into, and radio frequency melts needle 4's lower extreme and connects negative pole wire 602, is equipped with the scale mark that is used for measuring the length of penetrating on the outer wall insulating layer 403 of radio frequency melts needle 4. The tray frame 8 is provided with a rotating handle 801 for the pinching and rotating operation of the surgical forceps and a rotating disc handle 802 for the manual rotating operation. The needle body ejection device 5 comprises a shell 501 and a return spring 502, a radio frequency ablation needle triggering and recycling rotary button 9 is arranged in the tray frame 8, the lower end of the radio frequency ablation needle 4 extends into the shell 501 and is fixedly connected with the upper end of the return spring 502, a section of ratchet is arranged on an insulating layer 403 of the radio frequency ablation needle 4, and a ratchet 901 meshed with the ratchet 413 is arranged in the tray frame of the radio frequency ablation needle triggering and recycling rotary button 9. When the radio frequency ablation needle is pulled out to trigger the recovery rotary button, the ratchet is separated from the ratchet wheel, and the triggering of the radio frequency ablation needle is completed under the thrust of the elastic return spring which is normally in a compressed state; the radio frequency ablation needle is triggered to recover the rotary button to return and rotate, and the ratchet drives the ratchet to enable the radio frequency ablation needle to linearly move, so that the recovery of the radio frequency ablation needle is completed.
The foregoing embodiments are intended to illustrate that the invention may be implemented or used by those skilled in the art, and modifications to the above embodiments will be apparent to those skilled in the art, and therefore the invention includes, but is not limited to, the above embodiments, any methods, processes, products, etc., consistent with the principles and novel and inventive features disclosed herein, and fall within the scope of the invention.
Claims (7)
1. The utility model provides a radio frequency melts negative pressure biopsy rifle which characterized by: comprises a negative pressure biopsy component, a radio frequency ablation component and a positioning rotary disc rack; the negative pressure biopsy assembly comprises a sampling needle (1), a negative pressure flow guide device (2) and a tissue biopsy piston measuring cylinder (3); the radio frequency ablation assembly comprises a radio frequency ablation needle (4), a needle body ejection device (5) and a thermocouple electrode wiring (6); the positioning rotary disk rack comprises a gun changing shaft (7) fixedly connected to the negative pressure biopsy component and a circular disk rack (8) pivotally connected to the gun changing shaft (7); the sampling needle (1) and the radio frequency ablation needle (4) are arranged on the tray frame (8) in a penetrating mode, and the distance between the axis of the sampling needle (1) and the distance between the axis of the radio frequency ablation needle (4) and the tray frame (8) are equal.
2. The radio frequency ablation negative pressure biopsy gun of claim 1, wherein: the tissue biopsy piston measuring cylinder is characterized in that a damping piston (301) is arranged inside the tissue biopsy piston measuring cylinder (3), a neck (302) used for connecting a pipeline is arranged at the upper end of the tissue biopsy piston measuring cylinder (3), a sucking disc (303) used for fixing is arranged at the lower end of the tissue biopsy piston measuring cylinder, and a scale marking (304) used for measuring the volume of a biopsy sample is arranged on the outer surface of the tissue biopsy piston measuring cylinder.
3. The radiofrequency ablation negative pressure biopsy gun of claim 2, wherein: the sampling needle (1) is a hollow tubular puncture needle head, the upper end of the sampling needle (1) is provided with a sample groove (101) communicated with the inside of the needle tube, and the lower part of the sampling needle is provided with a flow regulator (102) for controlling the flow speed of a sample.
4. The radio frequency ablation negative pressure biopsy gun of claim 3, wherein: the negative pressure flow guide device (2) comprises a negative pressure bag (201), a pressure release valve (202) and an air passage (203), wherein the negative pressure bag (201) is a rubber ball bag and is communicated with a neck tube (302) of the biopsy piston measuring cylinder (3) through the air passage (203).
5. The radio frequency ablation negative pressure biopsy gun of claim 4, wherein: radio frequency melts needle (4) and is cavity tubulose puncture needle head, its top is blind end (401) for being equipped with the thermocouple to open in this blind end (401) has the both sides hole, scribbles insulating layer (403) below blind end (401), the blind end (401) thermocouple connection of radio frequency melts needle (4) is followed needle tubing and is stretched into anodal wire (601), and negative pole wire (602) are connected to the lower extreme of radio frequency melts needle (4), is equipped with the scale mark that is used for measuring the length of pricking on radio frequency melts needle (4) outer wall insulating layer (403).
6. The radio frequency ablation negative pressure biopsy gun of claim 5, wherein: the tray frame (8) is provided with a rotating handle piece (801) for the pinching and rotating operation of the surgical forceps and a rotating disc handle (802) for the manual rotating operation.
7. The radio frequency ablation negative pressure biopsy gun of claim 6, wherein: the needle body ejection device (5) comprises a shell (501) and a return spring (502), a radio frequency ablation needle triggering recovery rotary button (9) is arranged in the tray frame (8), the lower end of the radio frequency ablation needle (4) extends into the shell (501) and is fixedly connected with the upper end of the return spring (502), a section of ratchet is arranged on an insulating layer (403) of the radio frequency ablation needle (4), and a ratchet wheel (901) meshed with the ratchet wheel (413) is arranged in the tray frame of the radio frequency ablation needle triggering recovery rotary button (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462411.2A CN108186056B (en) | 2017-12-28 | 2017-12-28 | Radio frequency ablation negative pressure biopsy gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462411.2A CN108186056B (en) | 2017-12-28 | 2017-12-28 | Radio frequency ablation negative pressure biopsy gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108186056A CN108186056A (en) | 2018-06-22 |
| CN108186056B true CN108186056B (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462411.2A Expired - Fee Related CN108186056B (en) | 2017-12-28 | 2017-12-28 | Radio frequency ablation negative pressure biopsy gun |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114947984B (en) * | 2022-05-20 | 2024-07-12 | 江苏启灏医疗科技有限公司 | Safe living body sampling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201542659U (en) * | 2009-11-17 | 2010-08-11 | 韩凤云 | Soft tissue biopsy sampler |
| CN202235585U (en) * | 2011-08-29 | 2012-05-30 | 马志方 | Novel prostate puncture biopsy device |
| CN102626329A (en) * | 2012-03-13 | 2012-08-08 | 郑州大学 | Radiofrequency ablation negative pressure automatic biopsy gun |
| CN202908751U (en) * | 2012-12-03 | 2013-05-01 | 李思瓯 | Automatic kidney biopsy gun |
| CN103281969A (en) * | 2010-12-30 | 2013-09-04 | C·R·巴德公司 | Biopsy device having a ratchet drive mechanism for driving a biopsy probe assembly |
| CN104367349A (en) * | 2014-11-21 | 2015-02-25 | 曾惠清 | Automatic radiofrequency ablation negative pressure biopsy system |
| CN105748109A (en) * | 2016-02-25 | 2016-07-13 | 韩新巍 | Handheld self-locking and resetting biopsy forceps |
-
2017
- 2017-12-28 CN CN201711462411.2A patent/CN108186056B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201542659U (en) * | 2009-11-17 | 2010-08-11 | 韩凤云 | Soft tissue biopsy sampler |
| CN103281969A (en) * | 2010-12-30 | 2013-09-04 | C·R·巴德公司 | Biopsy device having a ratchet drive mechanism for driving a biopsy probe assembly |
| CN202235585U (en) * | 2011-08-29 | 2012-05-30 | 马志方 | Novel prostate puncture biopsy device |
| CN102626329A (en) * | 2012-03-13 | 2012-08-08 | 郑州大学 | Radiofrequency ablation negative pressure automatic biopsy gun |
| CN202908751U (en) * | 2012-12-03 | 2013-05-01 | 李思瓯 | Automatic kidney biopsy gun |
| CN104367349A (en) * | 2014-11-21 | 2015-02-25 | 曾惠清 | Automatic radiofrequency ablation negative pressure biopsy system |
| CN105748109A (en) * | 2016-02-25 | 2016-07-13 | 韩新巍 | Handheld self-locking and resetting biopsy forceps |
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| Publication number | Publication date |
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| CN108186056A (en) | 2018-06-22 |
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Granted publication date: 20210205 Termination date: 20211228 |
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