CN112244992A - Radio frequency electrode ablation needle with suction device and system - Google Patents
Radio frequency electrode ablation needle with suction device and system Download PDFInfo
- Publication number
- CN112244992A CN112244992A CN202011126601.9A CN202011126601A CN112244992A CN 112244992 A CN112244992 A CN 112244992A CN 202011126601 A CN202011126601 A CN 202011126601A CN 112244992 A CN112244992 A CN 112244992A
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- Prior art keywords
- suction
- sleeve
- electrode
- air inlet
- support
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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
-
- 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
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/007—Aspiration
- A61B2218/008—Aspiration for smoke evacuation
Abstract
The invention relates to a radio frequency electrode ablation needle with a suction device and a system, and belongs to the field of radio frequency ablation equipment. The ablation needle comprises an electrode needle body, wherein a suction sleeve is sleeved on the electrode needle body, one end of each support reed is fixedly connected to the suction sleeve, an air exhaust pipeline and an air inlet pipeline are arranged in the suction sleeve, a plurality of arc-shaped support reeds are arranged on the suction sleeve, and the support reeds are arranged around an air inlet and an air exhaust opening; the suction sleeve is sleeved with a containing sleeve, and a containing cavity for containing the support reed is arranged on the containing sleeve; the ablation system comprises the ablation needle and a suction filter, wherein the suction filter is respectively communicated with the air exhaust pipeline and the air inlet pipeline. The ultrasonic smoke detection device can eliminate smoke particles generated after ablation of a focus part, facilitates ultrasonic observation of the focus, can adjust the suction filtering position according to the focus position, and ensures the suction effect on smoke.
Description
Technical Field
The invention belongs to the field of radio frequency ablation equipment, and relates to a radio frequency electrode ablation needle with a suction device and a system.
Background
The radio frequency ablation operation is a minimally invasive thermal ablation operation, and is safely and effectively applied to the treatment of various tumors such as liver, lung, kidney, prostate, pancreas, uterine fibroids and the like. The treatment mechanism is that a radio frequency generator emits alternating current with certain frequency, so that ions in tissues around an electrode needle are excited, and the focus is directly damaged by oscillation, friction and heat generation.
In the actual operation process, ultrasonic monitoring is usually needed to be carried out on a focus part after the first ablation so as to observe the ablation effect. However, after the electrode is adopted to melt the focus part, smoke particles can be generated near the focus, so that the interference on the ultrasonic monitoring image is caused, and the judgment of a doctor on the focus melting effect is influenced.
Disclosure of Invention
In view of this, the present invention provides a radiofrequency electrode ablation needle with a suction device and a system thereof, which can suck and filter smoke particles generated by radiofrequency ablation, so as to prevent smoke from interfering with an ultrasonic monitoring image.
In order to achieve the purpose, the invention provides the following technical scheme: a radio frequency electrode ablation needle provided with a suction device comprises an electrode needle body, wherein a suction sleeve is sleeved on the electrode needle body and slides on the electrode needle body; an air exhaust pipeline and an air inlet pipeline are arranged in the suction sleeve, an air exhaust opening is formed in one end, close to the needle point of the electrode body, of the air exhaust pipeline, an air inlet opening is formed in one end, close to the needle point of the electrode body, of the air inlet pipeline, and the air exhaust opening and the air inlet opening are both arranged at one end, close to the needle point of the electrode body, of the suction sleeve; the suction sleeve is provided with arc-shaped support reeds, one ends of the support reeds are fixedly connected to the suction sleeve, arc-shaped openings of the support reeds face the electrode needle body, the number of the support reeds is multiple, and the support reeds are arranged around the air inlet opening and the air exhaust opening; the suction sleeve is sleeved with a containing sleeve, one end of the containing sleeve, close to the supporting reed, is provided with a containing cavity for containing the supporting reed, and the containing sleeve slides on the suction sleeve along the extending direction of the suction sleeve.
Optionally, one end of the support reed close to the receiving sleeve is fixedly connected to the suction sleeve, and the other end of the support reed is lapped on the suction sleeve.
Optionally, one end, far away from the storage sleeve, of the support reed is fixedly connected to the suction sleeve, a sliding ring is further arranged between the support reed and the storage sleeve, the other end of the support reed is connected to the sliding ring, the sliding ring slides in the storage cavity, and the outer diameter of the sliding ring is smaller than the inner diameter of the storage cavity.
Optionally, a plurality of the support reeds are uniformly arranged around the axis of the electrode needle body, a plurality of support reeds form a support cage, and the inner diameter of the accommodating cavity is smaller than the outer diameter of the support cage.
Optionally, the air exhaust pipeline is arranged along the extending direction of the suction sleeve, the air exhaust pipeline is a plurality of, and the air exhaust pipeline surrounds the axis direction of the electrode needle body and is uniformly arranged.
Optionally, the inlet duct is along the extending direction of suction sleeve pipe sets up, the inlet duct is a plurality of, and a plurality of the inlet duct is around the axis direction of electrode needle body evenly sets up.
Optionally, the suction sleeve and the electrode needle body are in smooth transition, and the receiving sleeve and the suction sleeve are in smooth transition.
Optionally, the support reed is disposed along an extending direction of the suction sleeve.
A radio-frequency electrode ablation system provided with a suction device comprises the radio-frequency electrode ablation needle and a suction filter, wherein the suction filter is respectively communicated with an air suction pipeline and an air inlet pipeline.
The invention has the beneficial effects that: (1) the electrode needle body is provided with a suction sleeve and a storage sleeve, an air exhaust pipeline and an air inlet pipeline are arranged in the suction sleeve, air containing smoke particles at a focus position can be exhausted, ultrasonic observation on the focus is facilitated, a plurality of support reeds are arranged on the suction sleeve, the support reeds can support viscera or tissues near the focus and facilitate air exhaust, a storage cavity used for storing the support reeds is arranged in the storage sleeve, and in-process of the electrode needle entering and exiting the abdominal cavity can be used for preventing internal organs and tissues from being injured. (2) The suction sleeve and the storage sleeve slide on the electrode needle body, the depth positions of the air inlet opening, the air outlet opening and the support reed can be adjusted according to the focus position, and the suction effect on smoke is guaranteed.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a radio-frequency electrode ablation system in embodiment 1;
FIG. 2 is a schematic structural diagram of the RF electrode ablation needle in embodiment 1;
FIG. 3 is a partial sectional view of the RF electrode ablation needle of embodiment 1;
fig. 4 is a partial sectional view of the radiofrequency electrode ablation needle in the embodiment 2.
Reference numerals: the electrode needle comprises an electrode needle body 1, a suction sleeve 2, a support reed 3, an air exhaust opening 4, an air inlet opening 5, a storage sleeve 6, a storage cavity 7, an air exhaust pipeline 8, an air inlet pipeline 9, a sliding ring 10 and a suction filter 11.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict. Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1 to 3, a radiofrequency electrode ablation system with a suction device is disclosed, which includes a radiofrequency electrode ablation needle, and further includes a suction filter 11, wherein the suction filter 11 is respectively communicated with an air suction duct 8 and an air inlet duct 9.
Radio frequency electrode melts needle, including electrode needle body 1, the cover is equipped with suction sleeve pipe 2 on the electrode needle body 1, and suction sleeve pipe 2 slides on electrode needle body 1. The suction sleeve 2 and the electrode needle body 1 are in smooth transition, so that the resistance when the suction sleeve 2 enters the human body can be reduced, and the pain of a patient can be reduced. One end fixed connection of support reed 3 is provided with air exhaust duct 8 and admission line 9 in the suction sleeve 2 on the suction sleeve 2, and the one end that air exhaust duct 8 is close to the electrode body needle point is air exhaust opening 4, and the one end that admission line 9 is close to the electrode needle body 1 needle point is air intake opening 5, and air exhaust opening 4 and air intake opening 5 all set up on one end that suction sleeve 2 is close to the electrode body 1 needle point. The air exhaust pipeline 8 can exhaust the gas containing smoke particles at the focus part through the air exhaust opening 4, and the air inlet opening 5 can send the gas in the patient body filtered by the suction filter 11 back to the patient body, so that the pressure in the patient body is ensured to be normal.
One of the end of the suction sleeve 2 close to the needle point of the electrode needle body 1 is provided with an arc-shaped support reed 3, one end of the support reed 3 close to the containing sleeve 6 is fixedly connected onto the suction sleeve 2, the other end of the support reed 3 is lapped on the suction sleeve 2, and the arc-shaped opening of the support reed 3 faces the electrode needle body 1. In this embodiment, the number of the support reeds 3 is 12, and 12 support reeds 3 are provided around the air intake opening 5 and the air exhaust opening 4. The supporting reed 3 can support the viscera or tissues near the focus, and prevent the tissues around the air exhaust opening 4 from being absorbed by negative pressure during air exhaust, blocking the air exhaust opening 4 and possible tissue damage. The suction sleeve 2 is sleeved with a containing sleeve 6, one end of the containing sleeve 6, which is close to the support reed 3, is provided with a containing cavity 7 for containing the support reed 3, the containing sleeve 6 and the suction sleeve 2 are in smooth transition, and the containing sleeve 6 slides on the suction sleeve 2 in a reciprocating manner along the axis direction of the suction sleeve 2. The accommodating cavity 7 can accommodate the supporting spring 3 in the process of the electrode needle entering and exiting the abdominal cavity, so that the resistance of the suction sleeve 2 in the process of entering and exiting the abdominal cavity is reduced, and the supporting spring 3 is prevented from injuring the human body. A plurality of support reeds 3 evenly set up around the axis of electrode needle body 1, and a plurality of support reed 3 constitutes and supports the cage, and the external diameter of accomodating chamber 7 is less than and supports the cage at the radial ascending size of electrode needle body 1, has reduced the size of accomodating chamber 7 and accomodating sleeve 6, reduces wound size and patient's misery.
In practical use, the support reed 3 is compressed and stored in the storage sleeve 6, and the suction sleeve 2 and the storage sleeve 6 enter the abdominal cavity together with the electrode needle body 1. The length of the electrode needle body 1 extending out of the suction sleeve 2 is adjusted so as to insert the electrode needle body 1 into the lesion. After the electrode needle body 1 is inserted into a focus, the relative position of the suction sleeve 2 and the needle point of the electrode needle body 1 is finely adjusted according to the focus position, so that the air exhaust opening 4 on the suction sleeve 2 is positioned above the focus. The housing sleeve 6 slides, the support spring 3 is exposed to the housing cavity 7, and the support spring 3 expands tissues and organs around the air exhaust opening 4 and the air intake opening 5. The support reed 3 is propped open the in-process and is paid attention to control and accomodate 6 sliding speed of sleeve pipe, prevents that the support reed 3 from propping open the speed too fast, harms the human body.
The electrode needle body 1 releases heat to melt the focus, and smoke particles are generated in the focus melting process. The suction filter 11 is opened, the gas containing smoke particles in the abdominal cavity enters the suction filter 11 through the air suction pipeline 8, and the gas returns to the abdominal cavity through the air inlet pipeline 9 after being filtered by the suction filter 11.
After the ablation is completed, the filter 11 can still be opened to ensure the smoke filtering effect. After smoke suction and filtration are finished, ultrasonic detection is carried out on the focus again, and the ablation effect is observed so as to determine whether the focus needs to be ablated again. After the ablation is finished, the accommodating sleeve 6 is reversely slid, the supporting spring piece 3 is accommodated in the accommodating cavity 7 and is drawn out of the abdominal cavity along with the electrode needle body 1.
Example 2
Referring to fig. 3, in the present embodiment, one end of the supporting reed 3 far from the receiving sleeve 6 is fixedly connected to the suction sleeve 2, a sliding ring 10 is further disposed between the supporting reed 3 and the receiving sleeve 6, the other ends of the supporting reeds 3 are all connected to the sliding ring 10, the sliding ring 10 slides in the receiving cavity 7, and an outer diameter of the sliding ring 10 is smaller than an inner diameter of the receiving cavity 7. The slide ring 10 can further restrain the support spring 3 and prevent the support spring 3 from injuring the human tissue and organs.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. A radio frequency electrode ablation needle provided with a suction device is characterized in that: the electrode needle comprises an electrode needle body, wherein a suction sleeve is sleeved on the electrode needle body and slides on the electrode needle body;
an air exhaust pipeline and an air inlet pipeline are arranged in the suction sleeve, an air exhaust opening is formed in one end, close to the needle point of the electrode body, of the air exhaust pipeline, an air inlet opening is formed in one end, close to the needle point of the electrode body, of the air inlet pipeline, and the air exhaust opening and the air inlet opening are both arranged at one end, close to the needle point of the electrode body, of the suction sleeve;
the suction sleeve is provided with arc-shaped support reeds, one ends of the support reeds are fixedly connected to the suction sleeve, arc-shaped openings of the support reeds face the electrode needle body, the number of the support reeds is multiple, and the support reeds are arranged around the air inlet opening and the air exhaust opening;
the suction sleeve is sleeved with a containing sleeve, one end of the containing sleeve, close to the supporting reed, is provided with a containing cavity for containing the supporting reed, and the containing sleeve slides on the suction sleeve along the extending direction of the suction sleeve.
2. The rf electrode ablation needle provided with a suction device of claim 1, wherein: one end, close to the containing sleeve, of the supporting reed is fixedly connected to the suction sleeve, and the other end of the supporting reed is lapped on the suction sleeve.
3. The rf electrode ablation needle provided with a suction device of claim 1, wherein: the one end fixed connection that the support reed was kept away from accomodate the sleeve pipe is in on the suction sleeve pipe, support the reed with it still is provided with the slip ring to accomodate between the sleeve pipe, the other end of support reed is connected on the slip ring, the slip ring is in accomodate the intracavity and slide, the external diameter of slip ring is less than accomodate the internal diameter in chamber.
4. The rf electrode ablation needle provided with a suction device of claim 1, wherein: the supporting spring plates are uniformly arranged around the axis of the electrode needle body, the supporting spring plates form a supporting cage, and the inner diameter of the accommodating cavity is smaller than the outer diameter of the supporting cage.
5. The rf electrode ablation needle provided with a suction device of claim 1, wherein: the air exhaust pipeline is arranged along the extending direction of the suction sleeve, the air exhaust pipeline is a plurality of, and the air exhaust pipeline is uniformly arranged around the axis direction of the electrode needle body.
6. The rf electrode ablation needle provided with a suction device of claim 1, wherein: the air inlet pipeline is arranged along the extending direction of the suction sleeve, the air inlet pipeline is a plurality of air inlet pipelines, and the air inlet pipelines are uniformly arranged around the axis direction of the electrode needle body.
7. The rf electrode ablation needle provided with a suction device of claim 1, wherein: the suction sleeve and the electrode needle body are in smooth transition, and the accommodating sleeve and the suction sleeve are in smooth transition.
8. The rf electrode ablation needle provided with a suction device of claim 1, wherein: the support reed is arranged along the extending direction of the suction sleeve.
9. A radio frequency electrode ablation system provided with a suction device, characterized in that: the radiofrequency electrode ablation needle of any one of claims 1 to 8, further comprising a suction filter in communication with the aspiration conduit and the air inlet conduit, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011126601.9A CN112244992A (en) | 2020-10-20 | 2020-10-20 | Radio frequency electrode ablation needle with suction device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011126601.9A CN112244992A (en) | 2020-10-20 | 2020-10-20 | Radio frequency electrode ablation needle with suction device and system |
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| Publication Number | Publication Date |
|---|---|
| CN112244992A true CN112244992A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011126601.9A Pending CN112244992A (en) | 2020-10-20 | 2020-10-20 | Radio frequency electrode ablation needle with suction device and system |
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| CN (1) | CN112244992A (en) |
Citations (10)
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| US5531802A (en) * | 1993-05-29 | 1996-07-02 | Dragerwerk Aktiengesellschaft | Suction device with a filter insert in the suction line |
| CN1390526A (en) * | 2001-06-13 | 2003-01-15 | 普惠国际股份有限公司 | Pneumatic-electric operation equipment |
| US20050124986A1 (en) * | 2003-12-09 | 2005-06-09 | Rubicor Medical, Inc. | Suction sleeve and interventional devices having such a suction sleeve |
| CN1929794A (en) * | 2004-03-08 | 2007-03-14 | 伊恩·考斯麦斯库 | Multifunctional telescopic monopolar/bipolar surgical device and method therefore |
| CN201431510Y (en) * | 2009-05-08 | 2010-03-31 | 上海理工大学 | Gas-cooling and perfusion combined-type radio-frequency ablation probe electrode device for intervertebral disc |
| US20100228239A1 (en) * | 2009-03-09 | 2010-09-09 | Cytyc Corporation | Ablation device with suction capability |
| CN102176876A (en) * | 2009-01-28 | 2011-09-07 | 奥林巴斯医疗株式会社 | Treatment system for surgical operation and method of controlling treatment system for surgical operation |
| CN102695541A (en) * | 2009-12-16 | 2012-09-26 | 迈克罗普拉塔公司 | Arrangements and methods for effecting an endoluminal anatomical structure |
| CN111658138A (en) * | 2020-07-15 | 2020-09-15 | 北京大学深圳医院 | Fume extractor for laser therapeutic head |
| CN111772748A (en) * | 2020-08-24 | 2020-10-16 | 耿金宏 | Split type peritoneoscope puncture sleeve ware of smoke function of self-loopa purification |
-
2020
- 2020-10-20 CN CN202011126601.9A patent/CN112244992A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5531802A (en) * | 1993-05-29 | 1996-07-02 | Dragerwerk Aktiengesellschaft | Suction device with a filter insert in the suction line |
| CN1390526A (en) * | 2001-06-13 | 2003-01-15 | 普惠国际股份有限公司 | Pneumatic-electric operation equipment |
| US20050124986A1 (en) * | 2003-12-09 | 2005-06-09 | Rubicor Medical, Inc. | Suction sleeve and interventional devices having such a suction sleeve |
| CN1929794A (en) * | 2004-03-08 | 2007-03-14 | 伊恩·考斯麦斯库 | Multifunctional telescopic monopolar/bipolar surgical device and method therefore |
| CN102176876A (en) * | 2009-01-28 | 2011-09-07 | 奥林巴斯医疗株式会社 | Treatment system for surgical operation and method of controlling treatment system for surgical operation |
| US20100228239A1 (en) * | 2009-03-09 | 2010-09-09 | Cytyc Corporation | Ablation device with suction capability |
| CN201431510Y (en) * | 2009-05-08 | 2010-03-31 | 上海理工大学 | Gas-cooling and perfusion combined-type radio-frequency ablation probe electrode device for intervertebral disc |
| CN102695541A (en) * | 2009-12-16 | 2012-09-26 | 迈克罗普拉塔公司 | Arrangements and methods for effecting an endoluminal anatomical structure |
| CN111658138A (en) * | 2020-07-15 | 2020-09-15 | 北京大学深圳医院 | Fume extractor for laser therapeutic head |
| CN111772748A (en) * | 2020-08-24 | 2020-10-16 | 耿金宏 | Split type peritoneoscope puncture sleeve ware of smoke function of self-loopa purification |
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Application publication date: 20210122 |