CN213993710U - Plasma bipolar electrode with working channel and resectoscope - Google Patents
Plasma bipolar electrode with working channel and resectoscope Download PDFInfo
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- CN213993710U CN213993710U CN202022282263.XU CN202022282263U CN213993710U CN 213993710 U CN213993710 U CN 213993710U CN 202022282263 U CN202022282263 U CN 202022282263U CN 213993710 U CN213993710 U CN 213993710U
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Abstract
A plasma bipolar electrode with a working channel and an resectoscope are provided, wherein the plasma bipolar electrode with the working channel comprises a conductive tube and a wire electrode piece; the conductive tube is provided with a first channel and a second channel, the electrode wire penetrates into the first channel, and the workpiece penetrates into the second channel; the electrode wire is connected with one pole of the energy generator, and the conductive tube is connected with the other pole of the energy generator. The plasma bipolar electrode with the working channel not only keeps the bipolar characteristic of the plasma bipolar electrode in the plasma electrotomy process, but also cuts and coagulates the tissues; and in the plasma electrosurgery operation process, workpieces such as an injection needle and the like can enter the human body cavity through the working channel to complete corresponding operation, so that the operation is safer and more efficient, and the operation success rate is improved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a plasma bipolar electrode with a working channel and an resectoscope.
Background
Plasma electrosurgery is a minimally invasive operation which utilizes an electroscope to carry an electrode, reaches a focus part through a natural channel of a human body, the electrode is connected with a plasma energy generator, high-frequency energy is output to the front end of the electrode, and the electrode is operated under a visible state to cut or coagulate blood of a target tissue.
The prior art CN201621378148.X discloses a plasma bipolar electrode, wherein two ends of a wire electrode are sleeved in a ceramic tube, the ceramic tube is sleeved in two metal tubes which are arranged in parallel, a lead passes through the metal tubes and the ceramic tube and is connected with the wire electrode, and then the metal tubes and the lead are fixed in a fixing plug.
When the electrode is used for being matched with an resectoscope to resect bladder tumors through urethra, if the tumors are positioned on the side wall of bladder and around the trigone, the current in the operation may penetrate through the bladder wall to stimulate obturator nerve, so that contraction of muscle groups in thighs and pelvis movement are caused, and serious complications such as bladder perforation, pelvic great vessel injury, intestinal injury and the like can occur after obturator nerve reflection occurs, even life is threatened.
In clinical application, combined anesthesia or general anesthesia is adopted to block the obturator nerve, but the method cannot completely avoid obturator nerve reflex, so more doctors prefer to add a method for injecting the anesthetic in the bladder cavity on the basis of combined anesthesia.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a plasma bipolar electrode with a working channel and an resectoscope, which solve the technical defects existing in the prior art, the plasma bipolar electrode with the working channel not only keeps the bipolar characteristic of the plasma bipolar electrode in the plasma resecting operation process, but also cuts and coagulates the tissue; and in the plasma electrosurgery operation process, workpieces such as an injection needle and the like can enter the human body cavity through the working channel to complete corresponding operation, so that the operation is safer and more efficient, and the operation success rate is improved.
In order to achieve the above object, the present invention provides the following technical solutions:
a plasma bipolar electrode with a working channel comprises a conductive tube and a wire electrode; the conductive tube is provided with a first channel and a second channel, the electrode wire penetrates into the first channel, and the second channel is used for penetrating a workpiece; the electrode wire is connected with one pole of the energy generator, and the conductive tube is connected with the other pole of the energy generator.
Further, the first channel and the second channel are arranged in parallel.
Further, the second channel may be penetrated into the working member, which is an injection needle or an optical fiber.
Further, the electrode wire is in a needle shape, a column shape, a spiral shape or a hook shape.
Further, the peripheral surface of the electrode wire is wrapped by an insulating tube.
Furthermore, the conductive tube is connected with the negative electrode of the energy generator sequentially through the conductive sheet and the first connecting core of the connecting wire, and the electrode wire is connected with the positive electrode of the energy generator sequentially through the wire and the second connecting core of the connecting wire.
Furthermore, the plasma bipolar electrode with the working channel further comprises a fixed shell, one end of the first channel is fixed in the fixed shell, one end of the first channel is hermetically connected with the fixed shell through a sealing plug, and the workpiece can penetrate through the sealing plug and the first channel.
An resectoscope comprises any one of the plasma bipolar electrode with the working channel, an endoscope and a resectoscope handle, wherein the plasma bipolar electrode with the working channel and the endoscope are arranged at one end of the resectoscope handle at intervals.
Furthermore, the resectoscope also comprises a waterproof plug, the waterproof plug is arranged in a clamping groove arranged at one end of the resectoscope handle, and the plasma bipolar electrode with the working channel and the endoscope are connected to one end of the resectoscope handle in a sealing manner through the waterproof plug.
Further, the resectoscope further comprises a fixing buckle, and the endoscope rod of the endoscope and the conductive tube are connected through the fixing buckle in a buckling mode.
The utility model has the advantages that:
the utility model provides a plasma bipolar electrode with a working channel, which comprises a conductive tube and a wire electrode; the conductive tube is provided with a first channel and a second channel, the electrode wire penetrates into the first channel, and the workpiece penetrates into the second channel; the electrode wire is connected with one pole of the energy generator, and the conductive tube is connected with the other pole of the energy generator.
According to the characteristics, the plasma bipolar electrode with the working channel keeps the bipolar characteristic of the plasma bipolar electrode in the plasma electrotomy operation process, the electrode wire and the conductive tube are respectively and electrically connected with two poles of the energy generator to form plasma, and the plasma can be used for vaporizing tissues to cut and coagulate blood; and the work piece can enter the human body cavity through the working channel to complete corresponding operation in the plasma electrosection operation process (for example, in the plasma electrosection operation process, an injection needle can enter the human body cavity through the working channel to complete injection of anesthetic, the problem of obturator nerve reflection in the transurethral bladder tumor electrosection operation can be effectively solved, in addition, a holmium laser optical fiber can also enter the channel, and laser can be used for carrying out lithotripsy simultaneously in the plasma electrosection operation), so that the operation is safer and more efficient, and the operation success rate is improved.
Drawings
FIG. 1 is a schematic structural diagram of a plasma bipolar electrode with a working channel according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 2;
FIG. 4 is an enlarged view at C of FIG. 2;
fig. 5 is a schematic structural diagram of a resectoscope provided in the second embodiment;
fig. 6 is a cross-sectional view taken along line D-D of fig. 5.
In the figure, 10-plasma bipolar electrode with working channel, 11-conductive tube, 111-first channel, 112-second channel, 113-insulating tube, 12-wire electrode, 13-workpiece, 14-wire, 15-connecting wire, 151-first connecting core, 152-second connecting core, 16-conductive sheet, 17-heat shrink tube, 18-fixing shell, 181-upper fixing shell, 182-lower fixing shell, 183-fixing column, 19-sealing plug, 20-endoscope, 30-handle of resectoscope, 30 a-groove, 31-slide block, 40-waterproof plug, 50-fixing buckle, 100-handle of resectoscope
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 4, fig. 1 is a schematic structural view of a plasma bipolar electrode with a working channel according to an embodiment of the present invention, fig. 2 is a sectional view taken along line a-a of fig. 1, fig. 3 is an enlarged view of fig. 2 at point B, and fig. 4 is an enlarged view of fig. 2 at point C.
The utility model provides a plasma bipolar electrode 10 with a working channel, which belongs to the field of medical instruments, and the plasma bipolar electrode 10 with the working channel not only keeps the bipolar characteristic of the plasma bipolar electrode in the plasma electrotomy process, but also cuts and coagulates the tissues; in addition, in the plasma electrosurgery operation process, the working pieces 13 such as an injection needle and the like enter the human body cavity through the working channel (the first channel 111 of the conductive tube 11) to complete corresponding operation, so that the operation is safer and more efficient, and the operation success rate is improved.
Referring to fig. 1 to 4 in particular, the present embodiment provides a plasma bipolar electrode 10 with a working channel, which includes a conductive tube 11 and a wire electrode 12, or further includes a workpiece 13; the conductive tube 11 is provided with a first channel 111 and a second channel 112, the wire electrode 12 penetrates through the first channel 111, and the second channel 112 is used for penetrating into the workpiece 13; the wire electrode 12 is connected to one pole of an energy generator (not shown) and the conductive tube is connected to the other pole of the energy generator.
With continued reference to fig. 2-4, the wire electrode 12 is connected to the positive electrode of the energy generator through the second connecting core 152 sequentially connecting the conducting wire 14 and the connecting wire 15, and the conductive tube 11 is connected to the negative electrode of the energy generator through the first connecting core 151 sequentially connecting the conducting strip 16 and the connecting wire 15.
With continued reference to fig. 2 and 4, the plasma bipolar electrode 10 with a working channel further includes a fixed casing 18, the fixed casing 18 includes an upper fixed casing 181, a lower fixed casing 182 and a fixed column 183 connected to each other, the outer circle of the fixed column 183 is matched and positioned with an inner hole formed in the lower fixed casing 182, the upper fixed casing 181 is fixed on the lower fixed casing 182, and the tail ends of the first channel 111 and the second channel 112 of the electric conduction tube 11 are fixed in the fixed casing 18, and particularly preferably, the first channel 111 and the second channel 112 are parallel and parallel to each other and are arranged coaxially with the electric conduction tube 11.
In this embodiment, the conducting strip 16 is fixed in the fixed housing 18 and connected to the first channel 111, the first channel 111 is inserted into the thin circular hole on the fixed column 183, the sealing plug 19 is embedded in the tapered hole on the fixed column 183, and the tapered hole and the thin circular hole on the fixed column 183 are communicated; the outer side of the sealing plug 19 is attached to the inner wall of the lower fixing shell 182, and the attachment part of the lower fixing shell 182 and the sealing plug 19 is provided with a hole in the direction coaxial with the sealing plug 19, so that the axial central region part of the sealing plug 19 can be exposed, and the workpiece 13 can penetrate through the hole.
Specifically, the wire electrode 12 is usually a metal wire, the wire 14 is usually a thin conductive wire with an insulating layer, the outer peripheral surface of the wire electrode 12 is wrapped by an insulating tube 113, the insulating tube 113 is usually a heat-resistant insulating plastic or ceramic tube, the wire electrode 12 and the wire 14 are welded and fixed, then are sleeved in the insulating tube 113 and fixed, and then are sleeved in the second channel 112 of the conductive tube 11, the first channel 111 and the second channel 112 are arranged in parallel, and the outer heat-shrinkable tube 17 is used for fixing.
In this embodiment, the connection line 15 is usually a two-core conductive wire material with an insulating layer, the conductive sheet 16 and the other end of the wire 14 are respectively connected to two cores of the connection line 15, and the connection line 15 can be connected to an output interface of the plasma energy generator; specifically, the electrode wire 12, the lead wire 14 and the second connecting core 152 of the connecting wire 15 are connected to the positive electrode of the energy generator, the conductive tube 11, the conductive sheet 16 and the first connecting core 151 of the connecting wire 15 are connected to the negative electrode of the energy generator, and plasma can be formed in the electrode wire 12 by the energy generator, so that tissue can be vaporized for cutting or coagulation.
In this embodiment, the working element 13 may be an injection needle, an optical fiber, etc., and the working element 13 may be assembled in the second channel 112 of the plasma bipolar electrode with a working channel, or the working element 13 and the plasma bipolar electrode with a working channel may be separated independently and installed in the second channel 112 for use before use, and the form is not particularly limited, and is determined according to different practical use requirements.
When the work piece 13 needs to work, the work piece 13 is extended out to expose the first channel 111, and then the operation can be carried out from the visual field of the endoscope to a target part; when the working piece 13 is not needed to work, the working piece 13 retreats into the first channel 111, the working piece 13 is tightly clamped by the sealing plug 19, and when the plasma bipolar electrode 10 with the working channel works, the working piece 13 always keeps in the first channel 111 without influencing the work of the plasma bipolar electrode 10 with the working channel, and in addition, the phenomenon that the filling effect of the resectoscope 100 is influenced due to water leakage can not occur due to the sealing effect of the sealing plug 19 in the whole operation process.
Example two:
referring to fig. 5 and 6, fig. 5 is a schematic structural view of a resectoscope provided in a second embodiment, and fig. 6 is a cross-sectional view taken along line D-D of fig. 5.
The present embodiment provides a resectoscope 100, and the resectoscope 100 comprises the working channel-equipped plasma bipolar electrode 10, the endoscope 20, and the resectoscope handle 30 of the above embodiments.
As shown in fig. 5 and fig. 6, in this embodiment, the endoscope 20 is installed at one end of the resectoscope handle 30, then the upper fixing shell 181 and the lower fixing shell 182 of the plasma bipolar electrode with working channel 10 are installed in the slide block 31 on the resectoscope handle 30, the slide block 31 can slide relative to the axial direction of the resectoscope handle 30, then the conductive tube 11 of the plasma bipolar electrode with working channel 10 is snap-connected with the scope shaft of the endoscope 20 by using the fixing snap 50, then the resectoscope handle 30 is assembled on the resectoscope sheath, the sheath of the resectoscope enters the lesion site through the body channel, and the plasma bipolar electrode with working channel 10 is connected with the plasma energy generator by the connecting wire 15.
Specifically, an upper fixing shell 181 and a lower fixing shell 182 of the plasma bipolar electrode 10 with a working channel are mounted on a sliding block 31 of the resectoscope handle 30, a small circular hole is arranged on the sliding block 31, the position of the mounted small circular hole is coaxial with a sealing plug 19, a working piece 13 such as an injection needle or an optical fiber is led into the first channel 111 after the sealing plug 19 is punctured through the small circular hole, and the working piece can move back and forth along the first channel 111 under operation.
When the work piece 13 is required to work, the work piece 13 is extended out to expose the first channel 111, and then the operation can be carried out from the visual field of the endoscope 20 to a target part; when the working piece 13 is not needed to work, the working piece 13 retreats into the first channel 111, the working piece 13 is tightly clamped by the sealing plug 19, and when the plasma bipolar electrode 10 with the working channel is pushed and pulled to work through the sliding block 31 of the resectoscope handle 30, the working piece 13 is always kept in the first channel 111, the work of the plasma bipolar electrode 10 with the working channel cannot be influenced, and in addition, the phenomenon that the filling effect of the resectoscope 100 is influenced due to water leakage due to the sealing effect of the sealing plug 19 in the whole operation process is avoided.
In this embodiment, the fixing clip 50 is a common plastic clip on the market, one end of which is clipped on the conductive tube 11 of the plasma bipolar electrode 10 with the working channel, and the other end of which can be clipped on the scope shaft of the endoscope 20.
In this embodiment, the plasma bipolar electrode 10 with a working channel and the endoscope 20 are hermetically connected to one end of the handle 30 of the resectoscope through a waterproof plug 40, wherein the waterproof plug 40 is a rubber plug, which is sleeved outside the heat shrinkable tube 17 on the outer circumferential surface of the conductive tube 11 and is installed in the groove 30a on the handle 30 of the resectoscope to prevent water leakage during the operation.
On one hand, when the tissue needs to be cut or coagulated, the plasma energy generator is activated, plasma can be generated on the electrode wire 12 to vaporize the tissue, and the plasma bipolar electrode 10 driving the working channel can be driven to move back and forth by pushing the sliding block 31 of the electric cutting mirror handle 30.
On the other hand, in the plasma resecting operation, when the injection needle is needed to perform the intra-operative cavity anesthesia, the injection needle can be inserted into the first channel 111 of the conductive tube 11 of the plasma bipolar electrode 10 with the working channel through the upper slide block 31 of the resectoscope handle 30, extend out of the first channel 111 and penetrate into the target tissue, the anesthetic can be injected into the tissue through the injection needle, and the injection needle can be retracted into the first channel 111 after the completion.
On the other hand, in the plasma resecting operation process, when combined holmium laser is required to perform lithotripsy, the injection needle can be taken out, the optical fiber connected with the laser generator is inserted into the first channel 111 of the conducting tube 11 of the plasma bipolar electrode 10 with the working channel through the upper sliding block 31 of the resectoscope handle 30, extends out of the first channel 111 and reaches the target position, the laser generator is activated to crush the target, when the plasma bipolar electrode 10 with the working channel is required to be switched to be used for cutting or coagulating the tissue, the optical fiber is retracted into the first channel 111, and the plasma bipolar electrode 10 with the working channel is operated to work.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the solutions should be covered in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a take working channel's plasma bipolar electrode which characterized in that:
the plasma bipolar electrode with the working channel comprises a conductive tube and a wire electrode, wherein,
the conductive tube is provided with a first channel and a second channel, the electrode wire penetrates into the first channel, and the second channel is used for penetrating a workpiece;
the electrode wire is connected with one pole of the energy generator, and the conductive tube is connected with the other pole of the energy generator.
2. The plasma bipolar electrode with a working channel as claimed in claim 1, wherein: the first channel and the second channel are arranged in parallel.
3. The plasma bipolar electrode with a working channel as claimed in claim 2, wherein: the workpiece is an injection needle or an optical fiber.
4. The plasma bipolar electrode with a working channel as claimed in claim 3, wherein: the electrode wire is needle-shaped or columnar or spiral or hook-shaped.
5. The plasma bipolar electrode with a working channel as claimed in claim 4, wherein: the peripheral surface of the electrode wire is wrapped by an insulating tube.
6. The plasma bipolar electrode with a working channel as claimed in claim 5, wherein: the conductive tube is connected with the negative electrode of the energy generator sequentially through the conductive sheet and the first connecting core of the connecting wire, and the wire electrode is connected with the positive electrode of the energy generator sequentially through the wire and the second connecting core of the connecting wire.
7. The plasma bipolar electrode with a working channel as claimed in any one of claims 1 to 6, wherein: the plasma bipolar electrode with the working channel further comprises a fixed shell, one end of the first channel is fixed in the fixed shell, the other end of the first channel is connected with the fixed shell in a sealing mode through a sealing plug, and the workpiece can penetrate through the sealing plug and the first channel.
8. An resectoscope characterized in that: the resectoscope comprises the plasma bipolar electrode with the working channel, an endoscope and a resectoscope handle according to any one of claims 1 to 7, wherein the plasma bipolar electrode with the working channel is arranged at one end of the resectoscope handle in a way of being spaced from the endoscope.
9. The resectoscope according to claim 8, wherein: the resectoscope further comprises a waterproof plug, the waterproof plug is installed in a clamping groove formed in one end of the resectoscope handle, and the plasma bipolar electrode with the working channel and the endoscope are connected to one end of the resectoscope handle in a sealing mode through the waterproof plug.
10. The resectoscope according to claim 9, wherein: the resectoscope further comprises a fixing buckle, and the endoscope rod of the endoscope and the conductive tube are connected through the fixing buckle in a buckling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282263.XU CN213993710U (en) | 2020-10-14 | 2020-10-14 | Plasma bipolar electrode with working channel and resectoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282263.XU CN213993710U (en) | 2020-10-14 | 2020-10-14 | Plasma bipolar electrode with working channel and resectoscope |
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| Publication Number | Publication Date |
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| CN213993710U true CN213993710U (en) | 2021-08-20 |
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| CN202022282263.XU Active CN213993710U (en) | 2020-10-14 | 2020-10-14 | Plasma bipolar electrode with working channel and resectoscope |
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