CN113081252A - Mobile radio frequency ablation device - Google Patents
Mobile radio frequency ablation device Download PDFInfo
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- CN113081252A CN113081252A CN202110535521.7A CN202110535521A CN113081252A CN 113081252 A CN113081252 A CN 113081252A CN 202110535521 A CN202110535521 A CN 202110535521A CN 113081252 A CN113081252 A CN 113081252A
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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
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
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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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00529—Liver
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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
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
- A61B2018/1869—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument interstitially inserted into the body, e.g. needles
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Abstract
本发明公开了一种移动式射频消融装置，包括射频消融仪，所述射频消融仪上通过两根导线分别连接有电极夹和用于插入肝脏肿瘤内的电极针，在靠近所述电极针的一侧设置有软性卡环，在所述软性卡环下部固定有安装件，所述安装件上设置有用于将所述软性卡环与患者躯干固定绑束的紧固机构，且在所述安装件上还设置有用于将所述电极针插入到患者肝脏肿瘤中的推送机构；电极针通过紧固机构固定绑束在患者的躯干上，在电极针固定绑束的过程中，借助推送机构将电极针插入到患者的肝脏肿瘤中，具有插针与紧固一体的功能，有效解决电极针在固定时受力易脱落的问题，可搬运的射频消融仪方便移动，大大提高了治疗时设备的放置便捷性。
The invention discloses a mobile radio-frequency ablation device, comprising a radio-frequency ablation instrument. An electrode clip and an electrode needle for inserting into a liver tumor are respectively connected to the radio-frequency ablation instrument through two wires. One side is provided with a soft snap ring, a mounting piece is fixed on the lower part of the soft snap ring, and a fastening mechanism for fixing the soft snap ring and the patient's torso is arranged on the mounting piece, The mounting member is also provided with a push mechanism for inserting the electrode needle into the patient's liver tumor; the electrode needle is fixed and bound on the patient's torso through a fastening mechanism, and during the process of fixing and binding the electrode needle, the The push mechanism inserts the electrode needle into the patient's liver tumor, and has the function of integrating the needle and the fastening, which effectively solves the problem that the electrode needle is easily detached by force when it is fixed. The portable radiofrequency ablation instrument is easy to move, which greatly improves the treatment. Ease of placement of equipment.
Description
Technical Field
The invention relates to medical equipment, in particular to a mobile radio frequency ablation device.
Background
Radio frequency (microwave) ablation therapy is one of the important progresses of liver cancer treatment in recent years, and is a representative treatment mode of liver cancer minimally invasive treatment. The principle is that the particles in the tumor tissue generate oscillation and heat through the current, so that the purpose of solidifying and damaging the tumor is achieved, the damage to the liver function is small, and the requirement on the physique of a patient is low.
All the radio frequency thermal ablation grabens are composed of an electric generator, a measurement and control unit, an electrode needle, a skin electrode and a computer. The output power of the radio frequency ablation is adjusted by monitoring the change of parameters such as impedance, temperature and the like of tumor tissues, the electrode needle can be directly inserted into the tumor under the condition of endoscope or direct operation by means of the guidance of image technologies such as ultrasound or CT and the like, the local tissues of the focus are heated and dried by radio frequency energy, the local temperature can reach more than 100 ℃, the coagulative necrosis of the tumor tissues is caused, and the aim of completely inactivating the tumor is fulfilled.
At present, most of existing radio frequency ablation devices insert an electrode needle into a tumor in a patient body in an injection mode, and then are adhered to the skin by using an adhesive tape, but the electrode needle inserted into the tumor is inevitably applied with force in the adhering process, so that the electrode needle and the tumor are easily dropped.
Disclosure of Invention
Based on the above-mentioned shortcomings in the prior art, the present invention provides a mobile radiofrequency ablation device.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
a movable radio frequency ablation device comprises a radio frequency ablation instrument, wherein an electrode clamp and an electrode needle for inserting into a liver tumor are respectively connected to the radio frequency ablation instrument through two wires, the electrode clamp is provided with two clamping plates which are hinged to each other, the two clamping plates are elastically connected through a torsion spring, and electric platinum electrically connected with the wires is arranged on the two clamping plates;
a soft clamping ring is arranged on one side close to the electrode needle, a mounting piece is fixed on the lower portion of the soft clamping ring, a fastening mechanism used for fixedly binding the soft clamping ring and the trunk of the patient is arranged on the mounting piece, a pushing mechanism used for inserting the electrode needle into the liver tumor of the patient is further arranged on the mounting piece, and the electrode needle is inserted into the liver tumor of the patient by the pushing mechanism in the process that the fastening mechanism fixedly binds the soft clamping ring on the trunk of the patient;
the flexible clamping ring is arc-shaped, an elastic belt is fixed at one end of the arc-shaped flexible clamping ring, one end of the elastic belt is sewn or adhered to the flexible clamping ring, and the other end of the elastic belt is wound on the fastening mechanism.
As a further scheme of the invention: the fastening mechanism comprises a winding roller which is rotatably arranged on the mounting piece, the winding roller is connected with a micro motor which is fixed on the mounting piece through a transmission assembly, and a switch button which is electrically connected with the micro motor is movably arranged on the mounting piece;
one side of the elastic belt, relative to the soft clamping ring, is wound on the winding roller, and the pushing mechanism is connected with the transmission assembly.
As a still further scheme of the invention: the transmission assembly comprises a worm rotatably mounted on the mounting piece, a worm wheel rotatably mounted on the mounting piece and meshed with the worm, and a bevel gear set used for connecting the winding roller and the worm wheel;
the bevel gear set is installed on the installation piece, and the worm wheel is connected with the bevel gear set through a transmission piece.
As a still further scheme of the invention: the bevel gear set comprises a first bevel gear rotatably mounted on the mounting piece and a second bevel gear fixed at the end of the winding roller, the second bevel gear is meshed with the first bevel gear, and the transmission piece is connected with the first bevel gear.
As a still further scheme of the invention: the pushing mechanism comprises a fixing piece fixed on the electrode needle, an elastic assembly used for connecting the fixing piece and the mounting piece, and a pulling structure used for connecting the fixing piece and the worm;
one end of the worm is connected with the output end of the micro motor.
As a still further scheme of the invention: the traction structure comprises a twisting roller coaxially fixed on the worm and a traction wire used for connecting the twisting roller and the fixing piece, one end of the traction wire is fixed with the twisting roller and is wound, and the other end of the traction wire is tied with the fixing piece.
As a still further scheme of the invention: the elastic assembly comprises a sleeve fixed on the mounting part and a pushing part fixed on the fixing part and slidably sleeved with the sleeve, and the pushing part is elastically connected with the sleeve through a pressure spring.
After adopting the structure, compared with the prior art, the invention has the following advantages: when the radiofrequency ablation treatment is needed to be carried out on a patient, an electrode clamp connected with a lead is fixed on the trunk of the patient through a torsion spring, an electrode needle is fixedly bound on the trunk of the patient through a fastening mechanism, and the electrode needle is inserted into liver tumor of the patient by means of a pushing mechanism in the electrode needle fixing and binding process, so that the function of integrating needle insertion and fastening is achieved, and the problem that the electrode needle is easy to fall off under stress when being fixed is effectively solved; the portable radio frequency ablation instrument is convenient to move, and the placement convenience of the equipment during treatment is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a mobile radio frequency ablation device.
Fig. 2 is a partial schematic structural view of the flexible retainer ring, the mounting member and the elastic member of the transportable rf ablation device.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a partial cross-sectional view of a flexible assembly of the ambulatory radio frequency ablation device.
In the figure: 1-radio frequency ablation instrument; 2-a wire; 3-an electrode holder; 4-electrode needle; 5-a flexible snap ring; 6-an elastic band; 7-winding roller; 8-a micro motor; 9-a mounting member; 10-a stranding roller; 11-a worm; 12-drawing wires; 13-a worm gear; 14-a transmission member; 15-a first bevel gear; 16-a second bevel gear; 17-a switch button; 18-a sleeve; 19-a pressure spring; 20-push member.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in the embodiment of the invention, a mobile radio frequency ablation device comprises a radio frequency ablation instrument 1, wherein the radio frequency ablation instrument 1 is respectively connected with an electrode clamp 3 and an electrode needle 4 for inserting into a liver tumor through two wires 2, the electrode clamp 3 is provided with two clamping plates hinged to each other, the two clamping plates are elastically connected through a torsion spring, and both the two clamping plates are provided with electric platinum electrically connected with the wires 2;
specifically, a flexible clamping ring 5 is arranged on one side close to the electrode needle 4, a mounting part 9 is fixed on the lower part of the flexible clamping ring 5, a fastening mechanism for fixedly binding the flexible clamping ring 5 with the trunk of the patient is arranged on the mounting part 9, a pushing mechanism for inserting the electrode needle 4 into the liver tumor of the patient is further arranged on the mounting part 9, and the pushing mechanism inserts the electrode needle 4 into the liver tumor of the patient in the process that the fastening mechanism fixedly binds the flexible clamping ring 5 on the trunk of the patient;
in detail, the flexible snap ring 5 is arc-shaped, an elastic belt 6 is fixed at one end of the arc-shaped flexible snap ring 5, one end of the elastic belt 6 is sewn or bonded with the flexible snap ring 5, and the other end of the elastic belt is wound on the fastening mechanism;
as the description of the embodiment, when the radiofrequency ablation therapy needs to be performed on a patient, the electrode clamp 3 connected with the lead 2 is fixed on the trunk of the patient through the torsion spring, the electrode needle 4 is fixedly bound on the trunk of the patient through the fastening mechanism, and in the process of fixing and binding the electrode needle 4, the electrode needle 4 is inserted into the liver tumor of the patient through the pushing mechanism, so that the function of integrating the needle insertion and the fastening is achieved, and the problem that the electrode needle is easy to fall off due to stress when being fixed is effectively solved; the portable radiofrequency ablation instrument 1 is convenient to move, and the placement convenience of the device during treatment is greatly improved.
For convenience of understanding, the flexible snap ring 5 is made of rubber, and the lead 2 connected with the electrode needle 4 penetrates through the flexible snap ring 5 and is connected with the electrode needle 4, so that the electrode needle 4 is relatively fixed relative to the flexible snap ring 5, and the electrode needle 4 is not completely separated from the flexible snap ring 5.
In one embodiment of the present invention, the fastening mechanism includes a winding roller 7 rotatably mounted on the mounting member 9, the winding roller 7 is connected to a micro motor 8 fixed on the mounting member 9 through a transmission assembly, and a switch button 17 electrically connected to the micro motor 8 is movably disposed on the mounting member 9;
one side of the elastic belt 6, which is opposite to the soft clamping ring 5, is wound on the winding roller 7, and the pushing mechanism is connected with the transmission assembly;
as described in the present embodiment, when the binding electrode needle 4 needs to be fixed, the micro motor 8 is energized by pressing the switch 17, and the micro motor 8 is driven by the transmission member to rotate around the roller 7, thereby further winding the elastic band 6, elastically deforming the flexible snap ring 5, and fixing the electrode needle 4 by attaching to the trunk of the patient.
In order to realize the bidirectional control of fastening and loose binding, the micro motor 8 is a servo motor, and the switch button 17 is a bidirectional boat-shaped switch so as to control the elastic band 6 for winding and loose binding in two directions.
In another embodiment of the invention, the transmission assembly comprises a worm 11 rotatably mounted on the mounting member 9, a worm wheel 13 rotatably mounted on the mounting member 9 and engaged with the worm 11, and a bevel gear set for connecting the winding roller 7 and the worm wheel 13;
the bevel gear set is arranged on the mounting piece 9, and the worm wheel 13 is connected with the bevel gear set through a transmission piece 14;
as an illustration of the present embodiment, when the micro motor 8 is operated, the worm 11 is driven to rotate, the rotating worm 11 drives the worm wheel 13 to rotate, the worm wheel 13 drives the bevel gear set to rotate by the transmission member 14, and finally the elastic belt 6 is wound or loosely wound around the roller 7.
In yet another embodiment of the present invention, the bevel gear set comprises a first bevel gear 15 rotatably mounted on the mounting member 9 and a second bevel gear 16 fixed on the end of the winding roller 7, the second bevel gear 16 is engaged with the first bevel gear 15, and the transmission member 14 is connected with the first bevel gear 15;
as the description of the embodiment, when the worm wheel 13 rotates, the first bevel gear 15 is driven to rotate by the transmission member 14, and the first bevel gear 15 drives the second bevel gear 16 to rotate, thereby driving the winding elastic belt 6 to rotate around the roller 7.
In yet another embodiment of the present invention, the pushing mechanism comprises a fixing member fixed on the electrode needle 4, an elastic assembly for connecting the fixing member with the mounting member 9, and a pulling structure for connecting the fixing member with the worm 11;
one end of the worm 11 is connected with the output end of the micro motor 8;
as an illustration of the embodiment, when the micro motor 8 is operated, the worm 11 is driven to rotate, the fixing member is pulled or released by the pulling structure driven by the worm 11, the fixing member drives the elastic component to elastically compress when being pulled, so that the electrode needle 4 is pulled out from the liver tumor, and when being released, the electrode needle 4 is inserted into the liver tumor by using the elastic force of the elastic component.
In another embodiment of the present invention, the pulling structure comprises a capstan roller 10 coaxially fixed on the worm 11 and a pull wire 12 for connecting the capstan roller 10 and the fixing member, one end of the pull wire 12 is fixed and wound with the capstan roller 10, and the other end thereof is bolted with the fixing member;
as the embodiment is explained, when the worm 11 rotates, the winch 10 is driven to rotate, the rotating winch 10 winds the traction wire 12 to drive the fixing piece and the electrode needle 4 to be close to the soft clamping ring 5, so that the fixing piece and the electrode needle are pulled away from the trunk of the patient; or the capstan roller 10 releases the traction wire 12, and the electrode needle 4 is driven by the elastic component to be inserted into the trunk of the patient.
In another embodiment of the present invention, the elastic assembly comprises a sleeve 18 fixed on the mounting member 9 and a pushing member 20 fixed on the fixing member and slidably sleeved with the sleeve 18, wherein the pushing member 20 is elastically connected with the sleeve 18 through a compression spring 19;
as an illustration of the present embodiment, when the traction wire 12 drives the fixing member to approach the soft snap ring 5, the pushing member 20 is inserted into the sleeve 18, and the compression spring 19 is compressed; when the traction wire 12 is released from the capstan roller 10, the pushing member 20 is driven to be away from the flexible snap ring 5 by the elasticity of the compression spring 19, so that the electrode needle 4 is inserted into the body of the patient.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110535521.7A CN113081252B (en) | 2021-05-17 | 2021-05-17 | Mobile radio frequency ablation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110535521.7A CN113081252B (en) | 2021-05-17 | 2021-05-17 | Mobile radio frequency ablation device |
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| CN113081252A true CN113081252A (en) | 2021-07-09 |
| CN113081252B CN113081252B (en) | 2022-11-08 |
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| CN111839982A (en) * | 2020-07-09 | 2020-10-30 | 马玉坤 | Novel pediatric surgery posture fixer device |
| CN112641503A (en) * | 2020-12-25 | 2021-04-13 | 山西白求恩医院(山西医学科学院) | Tumor radio frequency ablation device |
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| CN113081252B (en) | 2022-11-08 |
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