CN205459028U - Flexible radiofrequency ablation electrode - Google Patents
Flexible radiofrequency ablation electrode Download PDFInfo
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- CN205459028U CN205459028U CN201521132993.4U CN201521132993U CN205459028U CN 205459028 U CN205459028 U CN 205459028U CN 201521132993 U CN201521132993 U CN 201521132993U CN 205459028 U CN205459028 U CN 205459028U
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- flexible pipe
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- opening
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Abstract
The utility model provides a flexible radiofrequency ablation electrode designs traditional radiofrequency ablation electrode that straightens firmly for flexible tubular radiofrequency ablation electrode, its characterized in that, this metal hose is whole to adopt a plastic materials who has more tough nature, and the pointed end of metal hose portion does not adopt the metal syringe needle for when this flexible radiofrequency ablation electrode used at cooperation hose mirror, the hose mirror also can make sharp end bent, has reduced the turning radius at needle point position, prevented that the needle point from stabbing bronchus interior tissue. During the use, during cooperation bronchoscope stretches into the bronchus with flexible radiofrequency ablation electrode from oral cavity or the nasal cavity in, reach and stretch out the son again behind the pathological change position and melt to lesion tissues.
Description
Technical field
This utility model relates to a kind of armarium, particularly relates to a kind of radio-frequency ablation electrode of pathological tissues in melting bronchus.
Background technology
At present, to when the illing tissue in pulmonary being carried out radiofrequency ablation therapy by flexible radio frequency ablating electrode, after ablating electrode and piercing needle need to thrust bronchial wall, just reach and arrive at target diseased tissue and carry out with radiofrequency ablation therapy.Over the course for the treatment of, the power frequency height of flexible radio frequency ablating electrode is to (＞ 100kHz) during certain value, charged ion motion in causing target diseased tissue, i.e. produce the temperature more than 60 DEG C, so that the necrocytosis of target diseased tissue, thus reach the purpose for the treatment of.
And for the illing tissue within bronchus, when being treated by traditional ablating electrode, affected by bronchus labyrinth, complicated to the location of illing tissue, operating difficulty is big, and position is once pricked partially, bronchus and human body surface skin can be damaged simultaneously, bring bigger misery to patient.
In prior art, having had hose radio-frequency ablation electrode, this hose radio-frequency ablation electrode uses the relatively low Hose Jacket of hardness factor in radio-frequency electrode and the periphery of sub-pin, and uses metal needle at end.Insert bronchial during, during the bigger bronchus of turning radian to be entered, metal needle is difficult to turn to, and base friend may stab bronchus.
Utility model content
The purpose of this utility model is to provide one flexible radio frequency ablating electrode, this flexible radio frequency ablating electrode and bronchoscope with the use of, stretch in bronchus by oral cavity or nasal cavity, illing tissue melted.
In order to realize object above, this utility model provides a kind of flexible radio frequency ablating electrode, including flexible pipe and plug-in part；The Rockwell hardness of flexible pipe is more than 90HRR and less than 130HRR；
Wire, radio-frequency electrode, N root pin, and can be with flexible pipe relative movements in the axial direction through in flexible pipe, and one end of wire is connected with the insertion end of plug-in part handle, and the other end is connected with radio-frequency electrode and N root pin respectively；N is the integer more than or equal to 2；
The degree of depth that wire stretches into flexible pipe is different so that radio-frequency electrode and sub-pin stretch out outside flexible pipe opening or in income opening, when sub-pin stretches out the opening of flexible pipe, launch to different directions；
It is point mouth shape that flexible pipe stretches out the opening of sub-pin.
As preferably, flexible pipe is made up of poly ether ether ketone plastic.
As preferably, also include outer sleeve；The leading section of outer sleeve connects the connection end of flexible pipe；
Plug-in part is inserted in outer sleeve；It is provided with regulation radio-frequency electrode between plug-in part and outer sleeve and sub-pin stretches out or takes in the axially displaced assembly of flexible pipe opening.
As preferably, axially displaced assembly is piston type displaceable members.
As preferably, axially displaced assembly is spiral displaceable members.
As preferably, outer sleeve is additionally provided with perfusing hole；
Liquid, after perfusing hole injects, flows out from opening along flexible pipe.
As preferably, sub-pin is provided with the heat sensing set part for detecting sub-pin temperature.
As preferably, sub-pin launches to form umbrella to different directions equably.
As preferably, during the opening of the fully extended flexible pipe of sub-pin, the deployment diameter of the sub-pin of umbrella, more than or equal to 15mm and less than or equal to 35mm, launches radial height more than or equal to 7mm and less than or equal to 18mm.
As preferably, when flexible pipe opening all taken in by sub-pin, the needle point of sub-pin flushes with the bottom of flexible pipe opening.
In this utility model, probe the most straight in prior art is designed as the ablating electrode of flexible pipe type, this ablating electrode can be goed deep in bronchus by nasal cavity or oral cavity, and can enter deep along bronchus in bronchus, through site of disease melts illing tissue.Meanwhile, this radio-frequency ablation electrode have employed and do not only has certain degree of hardness, is provided simultaneously with the plastic material of certain toughness so that flexible pipe of the present utility model avoids the ferrule using hard to penetrate diseased region, effectively prevents opening from stabbing inner bronchial wall.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of this utility model.
Fig. 2 is the state diagram that the first embodiment neutron pin of this utility model launches.
Fig. 3 is the structural representation of spiral displaceable members in this utility model the second embodiment.
Fig. 4 is the structural representation of piston type displaceable members in this utility model the second embodiment.
Fig. 5 is the structural representation of the third embodiment of this utility model.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, each embodiment of the present utility model is explained in detail.
For solving above-mentioned technical problem, the first embodiment of the present utility model provides a kind of flexible radio frequency ablating electrode, including flexible pipe 1 and plug-in part 2；The Rockwell hardness of flexible pipe 1 is more than 90HRR and less than 130HRR；
Wire 5, radio-frequency electrode 4, N root pin 3, and can be with flexible pipe 1 relative movements in the axial direction through in flexible pipe 1, and one end of wire 5 is connected with the insertion end of plug-in part 2 handle, and the other end is connected with radio-frequency electrode 4 and N root pin 3 respectively；N is the integer more than or equal to 2；
The degree of depth that wire 5 stretches into flexible pipe 1 is different so that radio-frequency electrode 4 and sub-pin 3 stretch out outside flexible pipe 1 opening or in income opening, when sub-pin 3 stretches out the opening of flexible pipe 1, launch to different directions；
It is point mouth shape that flexible pipe 1 stretches out the opening of sub-pin 3.
In the present embodiment, being flexible pipe type by ablation electrode designs so that this ablating electrode can be goed deep in bronchus by nasal cavity or oral cavity, and can enter deep along bronchus in bronchus, through site of disease melts illing tissue.
The most existing radio-frequency ablation electrode for melting the internal pathological tissues of bronchus, many employing rubber hose are as hose body, and the end of flexible pipe arranges metal needle logical in, is used for penetrating pathological tissues.Utilize this flexible pipe radio-frequency ablation electrode with metal needle, during insertion is bronchial, especially in the case of turning amplitude is relatively big, it is easy to inner bronchial wall is caused damage.And in this utility model, this flexible pipe entirety have employed Rockwell hardness more than 90HRR and the plastic tube less than 130HRR, in the case of making the power that the opening position of this flexible pipe produces when being controlled turn to by bronchoscope, realize the effect of bending, solve syringe needle position in prior art and turn to the technical characteristic of difficulty.Meanwhile, this flexible pipe possesses certain degree of hardness, it is possible to realize penetrating flexible pipe the technique effect of pathological tissues.In the present embodiment, flexible pipe 1 is made by poly ether ether ketone plastic, and its diameter is more than or equal to 1mm and less than or equal to 2mm, and min. turning radius is 20mm.
In the present embodiment, as it is shown in figure 1, the length of flexible pipe 1 is less than sub-pin and the total length of wire.In use, sub-pin and radio-frequency electrode are regained in the opening of flexible pipe 1, when arriving diseased region, the opening controlling flexible pipe 1 inserts pathological tissues, and now hands catches the end of flexible pipe, another hand propelled plug-in part 2, the end of flexible pipe is made to maintain an equal level mutually with the terminal position of wire, can realize penetrating in pathological tissues pin 3 and radio-frequency electrode 4, then plug-in part is connected with radiofrequency melting instrument, just pathological tissues can be melted.
In order to monitor the temperature of sub-pin 3 in real time, a heat sensing set part can be installed on sub-pin 3.In the present embodiment, this heat sensing set part is thermocouple, when the opening of the sub-fully extended flexible pipe of pin 31, this thermocouple is positioned at sub-pin 3 near the position of the opening of flexible pipe 1, this thermocouple is by being positioned at the wire of flexible pipe 1 by the Temperature Feedback that detects to radio-frequency therapeutic equipment, and radio-frequency therapeutic equipment demonstrates the temperature of sub-pin 3.
In order to obtain more preferable ablation effect, in the present embodiment, 8 root pins 3 launch to eight directions equably, form a umbrella-shaped structure, as in figure 2 it is shown, the most adjacent two root pins 3 towards angle equal, make sub-pin 3 be evenly distributed in pathological tissues, not only increase the contact area of sub-pin 3 and pathological tissues, sub-pin can be enable equably pathological tissues to be melted simultaneously.
In the present embodiment, when the opening of flexible pipe 1 all taken in by sub-pin 3, the needle point of sub-pin 3 flushes with the bottom of flexible pipe 3 opening.By this kind of design, the opening not only not interfering with flexible pipe 1 penetrates the feel of pathological tissues, additionally it is possible to promote the length that sub-pin 3 stretches out the opening of flexible pipe 1.
In the present embodiment, during sub-pin 3 fully extended flexible pipe 1, the deployment diameter of the sub-pin of umbrella 3, more than or equal to 15mm and less than or equal to 35mm, launches radial height more than or equal to 7mm and less than or equal to 18mm.By the deployment diameter of sub-for umbrella pin and expansion radial height being defined, when actually used, select sub-pin development size according to the size of diseased region.
The second embodiment of the present utility model provides a kind of flexible radio frequency ablating electrode, and the second embodiment is the improvement of the first embodiment, and its difference is, in the second embodiment, also includes outer sleeve 6；The leading section of outer sleeve 6 connects the connection end of flexible pipe 1；Plug-in part 2 is inserted in outer sleeve 6；It is provided with regulation radio-frequency electrode between plug-in part 2 and outer sleeve 6 and sub-pin 3 stretches out or takes in the axially displaced assembly of flexible pipe 1.
In the present embodiment, by one outer sleeve 6 of design, the leading section of outer sleeve 6 is connected with flexible pipe 1, and be provided with between plug-in part 2 and outer sleeve 6 regulation radio-frequency electrode 4 and sub-pin 3 stretch out or take in the axially displaced assembly of flexible pipe 1, make this utility model when controlling radio-frequency electrode 4 and sub-pin 3 stretches, it is possible to lifting operation feel.It is also preferred that the left a handle, lifting operation feel can also be arranged on plug-in part 2 or outer sleeve 6.Furthermore it is also possible to arrange a spacing draw-in groove between plug-in part 2 and outer sleeve 6, make cannot completely disengage between plug-in part 2 and outer sleeve 6, prevent because maloperation extracts out the flexible pipe 1 such as wire 5, sub-pin 3.
In the present embodiment, this axially displaced assembly can be piston type displaceable members, as shown in Figure 3, it is also possible to be spiral displaceable members, as shown in Figure 4.Piston type displaceable members, it is only necessary to catch outer sleeve 6, promotes or pulls out in the opening that sub-pin 3 could be released or take in flexible pipe 1 by plug-in part 2.And spiral displaceable members, catch outer sleeve 6, clockwise or counterclockwise plug-in part 2, sub-pin 3 can be released or taken in the opening of flexible pipe 1.
The third embodiment of this utility model relates to a kind of flexible radio frequency ablating electrode, and the third embodiment is the improvement of the second embodiment, and its difference is, in the third embodiment, outer sleeve 6 is additionally provided with perfusing hole 7, as shown in Figure 5；Liquid, after perfusing hole 7 injects, flows out from the opening of flexible pipe 1 along flexible pipe 1.
In the present embodiment, by designing a perfusing hole 7 on outer sleeve 6, it is possible to realize two functions.
1, when melting, ionization liquid can be injected by this perfusing hole 7, it is possible to promote and melt efficiency；
2, after usage, ethanol can be injected by this perfusing hole 7 or distilled water carries out disinfection and cleans.
The respective embodiments described above are to realize specific embodiment of the utility model, it will be understood by those skilled in the art that and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit and scope of the present utility model.
Claims (10)
1. a flexible radio frequency ablating electrode, it is characterised in that include flexible pipe (1) and plug-in part (2)；
The Rockwell hardness of described flexible pipe (1) is more than 90HRR and less than 130HRR；
Wire (5), radio-frequency electrode (4), N root pin (3) are through in described flexible pipe (1), and energy
Enough with described flexible pipe (1) relative movement in the axial direction, one end of described wire (5) and described plug-in part
(2) the insertion end of handle is connected, the other end respectively with described radio-frequency electrode (4) and N root pin (3)
It is connected；Described N is the integer more than or equal to 2；
The degree of depth that described wire (5) stretches into described flexible pipe (1) is different so that described radio-frequency electrode (4)
Stretch out outside described flexible pipe (1) opening with sub-pin (3) or in income opening, described sub-pin (3) is stretched
When going out the opening of described flexible pipe (1), launch to different directions；
It is point mouth shape that described flexible pipe (1) stretches out the opening of sub-pin (3).
Flexible radio frequency ablating electrode the most according to claim 1, it is characterised in that described flexible pipe (1)
It is made up of poly ether ether ketone plastic.
Flexible radio frequency ablating electrode the most according to claim 1, it is characterised in that also include outer sleeve
(6)；The leading section of described outer sleeve (6) connects the connection end of described flexible pipe (1)；
Described plug-in part (2) is inserted in described outer sleeve (6)；Described plug-in part (2) and outer sleeve (6)
Between be provided with regulation described radio-frequency electrode and sub-pin (3) stretch out or take in described flexible pipe (1) opening
Axially displaced assembly.
Flexible radio frequency ablating electrode the most according to claim 3, it is characterised in that described axially displaced
Assembly is piston type displaceable members.
Flexible radio frequency ablating electrode the most according to claim 3, it is characterised in that described axially displaced
Assembly is spiral displaceable members.
Flexible radio frequency ablating electrode the most according to claim 3, it is characterised in that described outer sleeve (6)
On be additionally provided with perfusing hole (7)；
Liquid, after described perfusing hole (7) injects, flows out from opening along described flexible pipe (1).
Flexible radio frequency ablating electrode the most according to claim 1, it is characterised in that described sub-pin (3)
It is provided with the heat sensing set part for detecting described sub-pin (3) temperature.
Flexible radio frequency ablating electrode the most according to claim 1, it is characterised in that described sub-pin (3)
Launch to form umbrella to different directions equably.
Flexible radio frequency ablating electrode the most according to claim 8, it is characterised in that described sub-pin (3)
During the opening of fully extended described flexible pipe (1), the deployment diameter of the sub-pin of described umbrella (3) is more than
In 15mm and less than or equal to 35mm, launch radial height more than or equal to 7mm and less than or equal to 18mm.
Flexible radio frequency ablating electrode the most according to claim 1, it is characterised in that described sub-pin (3)
When all taking in the opening of described flexible pipe (1), the needle point of described sub-pin (3) and described flexible pipe (1)
The bottom of opening flushes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132993.4U CN205459028U (en) | 2015-12-30 | 2015-12-30 | Flexible radiofrequency ablation electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132993.4U CN205459028U (en) | 2015-12-30 | 2015-12-30 | Flexible radiofrequency ablation electrode |
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| Publication Number | Publication Date |
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| CN205459028U true CN205459028U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521132993.4U Active CN205459028U (en) | 2015-12-30 | 2015-12-30 | Flexible radiofrequency ablation electrode |
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| CN (1) | CN205459028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455897A (en) * | 2015-12-30 | 2016-04-06 | 迈德医疗科技（上海）有限公司 | Flexible radiofrequency ablation electrode |
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2015
- 2015-12-30 CN CN201521132993.4U patent/CN205459028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455897A (en) * | 2015-12-30 | 2016-04-06 | 迈德医疗科技（上海）有限公司 | Flexible radiofrequency ablation electrode |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |