Plasma electrode head and plasma scalpel applied to throat surgery
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a plasma electrode head and a plasma scalpel applied to laryngeal surgery.
Background
The plasma radio frequency is characterized in that the electrolyte between the radio frequency electrode tip and the tissue is converted into a plasma film by utilizing energy generated by a double electrode, charged particles in the plasma are accelerated by an electric field and then transferred to the tissue, molecular bonds forming cells in the target tissue are dissociated, the cells in the target tissue are disintegrated in molecular units and decomposed into carbohydrates and oxides, tissue coagulative necrosis is caused, and necrotic tissues are shed or scar contraction is generated, so that the effect of tissue cutting is formed. Compared with the traditional radio frequency, the plasma can carry out operations such as cutting, ablation and the like on tissues at a lower radio frequency (110KHz) and a lower temperature (40-70 ℃).
Plasma technology has been widely used in otolaryngological department, and plasma electrodes are also of various kinds. The plasma ablation technology is applied to tonsil operation, and tonsil volume reduction, intramembranous or extramembranous tonsil resection and various ear, nose and throat parts such as tongue root, soft palate and the like can be performed by using different cutter heads.
The emitting electrode of the existing plasma electrode has a single shape, can not be adjusted in real time according to the state of an illness of a patient, and can not meet the requirements of medical staff. However, in the current operation of pathological changes of narrow parts such as the throat, the existing plasma electrode still has some problems, such as: during operation, due to the fact that water is not uniform, physiological saline cannot effectively cover the electrode, the generated plasma layer is not uniform, cutting and hemostasis capabilities are weakened, and meanwhile the effects of cleaning and cooling the wound surface are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a plasma electrode head and a plasma scalpel applied to laryngeal surgery, and aims to solve the problem that the plasma layer of an electrode is not uniform due to the fact that the existing plasma electrode discharges water unevenly, and therefore the cutting and hemostasis effects of the electrode are reduced.
The technical scheme for solving the technical problems is as follows:
a plasma electrode head for application in laryngeal surgery, comprising: the electrode holder is provided with a suction port at the end part, and the electrode is positioned above the suction port;
the electrode holder is also obliquely provided with drainage grooves which are respectively positioned at two sides of the electrode and above the suction port.
The beneficial effects of adopting the above technical scheme are: through set up the drainage groove on the electrode holder, the drainage groove is located the both sides of electrode, makes follow-up when using this electrode tip, and the sufficient and electrode contact of its instillation physiological saline ability to produce even, continuous plasma thin layer on making the electrode, thereby improved cutting effect and hemostatic effect. The drainage grooves are arranged to further increase the effects of cleaning and cooling the wound surface.
Further, the suction port has a rectangular structure.
The beneficial effects of adopting the above technical scheme are: by setting the suction port to be rectangular, the suction area is large, and the tissue and the liquid can be effectively and quickly sucked, creating a good operation condition.
Further, the electrode is blade-shaped.
The beneficial effects of adopting the above technical scheme are: through adopting the electrode of blade form, when follow-up using this electrode tip, the physiological saline that its instillation can be more abundant with the electrode contact, and the physiological saline can wrap up the electrode completely to evenly distributed plasma thin layer on the surface that makes the electrode possesses sufficient energy and cuts the pathological change tissue and melts during the operation, satisfies the meticulous cutting simultaneously.
The present invention also provides a plasma scalpel, comprising: the electrode base of the electrode tip is connected with the handle through the cutter bar;
one end of the cutter bar close to the electrode holder is provided with a drip injection port, the drip injection port and the electrode are positioned on the same side, the infusion sleeve sequentially penetrates through the handle and the cutter bar and is communicated with the drip injection port, the suction sleeve sequentially penetrates through the handle, the cutter bar and the electrode holder and is communicated with the suction port, and the power supply connector sequentially penetrates through the handle and the cutter bar and is connected with the electrode.
The beneficial effects of adopting the above technical scheme are: the electrode holder is connected with the cutter bar, and one end of the cutter bar close to the electrode holder is provided with a drip injection port; when the electrode is used, the lead is connected with a power supply, the infusion sleeve is connected with the normal saline, the normal saline is infused on the drip injection port, the tissue is cut through the electrode, the normal saline flowing out of the drip injection port is fully contacted with the electrode through the drainage groove, so that a uniform and continuous plasma thin layer is generated on the electrode, the cutting effect and the hemostasis effect are improved, and the cleaning and cooling effects on the wound surface are further improved; the suction port further sucks the cut pathological tissue and the inflowing normal saline, the probability of blocking caused by sucking the tissue is effectively reduced, and the structure is reliable.
Further, one end of the handle close to the knife bar is provided with a fixing sleeve for fixing the infusion sleeve, the suction sleeve and the guide wire.
The beneficial effects of adopting the above technical scheme are: through setting up the fixed sleeving, the fixed sleeving is used for fixed suction sleeve, infusion sleeve and wire, makes to connect more firmly, and the structure is reliable.
Further, the cutter arbor is including the first pole portion, the second pole portion that connect gradually, and first pole portion is connected with the electrode holder, drips the mouth and sets up on first pole portion, and second pole portion passes through the solid fixed sleeving and is connected with the handle, and the outer wall of second pole portion is provided with the insulating layer.
The beneficial effects of adopting the above technical scheme are: through set up the insulating layer at the outer wall of second pole portion, when using the electrode, the insulating layer can effectively reduce the thermal damage to peripheral tissue.
Further, the drip nozzle is in a reverse crescent structure.
The beneficial effects of adopting the above technical scheme are: by setting the drip inlet to the inverted crescent structure, when the physiological saline further flows into the drip inlet through the infusion sleeve, the inverted crescent structure increases the flow area of the physiological saline, so that the physiological saline can smoothly contact with the electrode through the drainage groove.
Further, the second rod part is of a bent structure.
The beneficial effects of adopting the above technical scheme are: through setting up second pole portion into bending structure, convenient operation.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides a be applied to plasma electrode head of throat's operation, the electrode adopts the slice electrode, and the both sides of electrode set up the drainage groove, make instillation's saline water can be more abundant with the electrode contact, and saline water can wrap up the electrode completely to evenly distributed plasma thin layer on the surface of messenger's electrode possesses sufficient energy and cuts pathological change tissue and melts during the operation, satisfies the meticulous cutting simultaneously.
2. Through the arrangement of the rectangular suction port, the electrode is positioned above the middle part of the suction port, the electrode slice is positioned in the middle of the suction port, tissues are crushed, and the suction tube is effectively prevented from being blocked; the suction port has a large suction area, and can effectively and quickly suck tissues and liquid, thereby creating good operation conditions.
3. The utility model provides a plasma scalpel, the second pole portion outer wall on the cutter arbor sets up the insulating layer, has effectively reduced the thermal damage to peripheral tissue when the operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the electrode head;
FIG. 2 is a schematic view of the overall structure of the electrode head and the plasma scalpel;
FIG. 3 is a schematic view of the electrode head and the tool bar;
fig. 4 is a schematic sectional view of the electrode head and the cutter bar.
The reference numerals shown in fig. 1 to 4 are respectively expressed as: 1-electrode holder, 101-suction port, 102-drainage groove, 2-electrode, 3-cutter bar, 301-drip injection port, 302-first rod part, 303-second rod part, 4-handle, 5-infusion sleeve, 6-suction sleeve, 7-lead and 8-fixing sleeve.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
As shown in fig. 1, a plasma electrode head for laryngeal surgery includes: the electrode holder comprises an electrode holder 1 and an electrode 2 axially arranged on the electrode holder 1, wherein the end part of the electrode holder 1 is provided with a suction port 101, and the electrode 2 is positioned above the suction port 101; the electrode seat 1 is in a tubular structure, and the electrode 2 is an electrode for the existing radio frequency plasma operation. The electrode head is connected with a radio frequency electrode handle to form a plasma scalpel for cutting pathological change tissues, and the suction port 101 is used for sucking the cut pathological change tissues and liquid. By arranging the electrode 2 above the suction port 101, the electrode 2 can be sucked through the suction port 101 in time when cutting the pathological tissue, and the electrode 2 can crush the cut pathological tissue at the same time, thereby avoiding pipeline blockage during subsequent suction.
The electrode holder 1 is also obliquely provided with drainage grooves 102, and the drainage grooves 102 are respectively positioned on two sides of the electrode 2 and above the suction port 101. The drainage grooves 102 are arranged on two sides of the electrode 2, when the electrode head is used, the surface layer of the electrode 2 is covered with the plasma thin layer, and the electrode head has enough energy to cut and ablate lesion tissues during operation and simultaneously meets the requirement of fine cutting.
Through set up drainage groove 102 on electrode holder 1, drainage groove 102 is located the both sides of electrode 1, follow-up when using this electrode tip, instillation's physiological saline can flow in electrode 2 through drainage groove 102 on, abundant and electrode 2 contact to produce even, continuous plasma thin layer on making electrode 2, thereby improved cutting effect and hemostatic effect.
Preferably, the suction port 101 has a rectangular structure. By providing the suction port 102 in a rectangular shape, the suction area is large, and the tissue and the liquid can be efficiently and quickly sucked, creating a good surgical condition.
Preferably, the electrode 2 is blade-shaped. Through adopting the electrode of blade form, follow-up when using this electrode tip, instillation's normal saline can be through drainage groove 102 more abundant with electrode 2 contact, and normal saline can wrap up the electrode completely to evenly distributed plasma thin layer on the surface that makes the electrode possesses sufficient energy and cuts the pathological change tissue and melt during the operation, satisfies the meticulous cutting simultaneously.
Example 2
As shown in fig. 2 to 4, the present invention also provides a plasma scalpel comprising: the electrode head also comprises a cutter bar 3, a handle 4, an infusion sleeve 5, an attraction sleeve 6 and a lead 7, wherein one end of an electrode seat 1 of the electrode head, which is far away from an attraction port 101, is connected with the handle 4 through the cutter bar 3;
one end that cutter arbor 3 is close to electrode holder 1 is provided with drips and annotates mouth 301, and drips mouth 301 and electrode 2 and be located same one side, infusion sleeve 5 runs through handle 4 and cutter arbor 3 in proper order and with drip and annotate mouthful 301 intercommunication, attracts sleeve 6 to run through handle 4, cutter arbor 3 and electrode holder 1 in proper order and with attracting mouthful 101 intercommunication, and wire 7 runs through handle 4 and cutter arbor 3 in proper order and is connected with electrode 2.
The electrode holder 1 is connected with the cutter bar 3, and one end of the cutter bar 3 close to the electrode holder 1 is provided with a drip injection port 301 for dripping physiological saline. When the electrode 2 is used, the lead 7 is connected with a power supply, the infusion sleeve 5 is connected with normal saline, the normal saline is infused on the drip opening 301, the tissue is cut through the electrode 2, the normal saline flowing out of the drip opening 301 is fully contacted with the electrode 2 through the drainage groove 102, so that a uniform and continuous plasma thin layer is generated on the electrode 2, the cutting effect and the hemostasis effect are improved, and the cleaning and cooling effects on the wound surface are increased; the suction port 101 further sucks the cut lesion tissue and the inflowing physiological saline, so that the probability of blockage of the suction sleeve 6 is effectively reduced, and the structure is reliable.
Preferably, the end of the handle 4 close to the blade shaft 3 is provided with a fixation sleeve 8 for fixation of the infusion sleeve 5, the suction sleeve 6 and the guide wire 7. By arranging the fixing sleeve 8, the fixing sleeve 8 is used for fixing the suction sleeve 6, the infusion sleeve 5 and the lead 7, so that the connection is more stable and the structure is reliable.
Preferably, the knife bar 3 comprises a first rod part 302 and a second rod part 303 which are connected in sequence, the first rod part 302 is connected with the electrode holder 1, the drip opening 301 is arranged on the first rod part 302, the second rod part 303 is connected with the handle 4 through the fixing sleeve 8, and the outer wall of the second rod part 303 is provided with an insulating layer. The first rod portion 302 is made of a ceramic insulating material, and the insulating layer on the outer wall of the second rod portion 303 is made of rubber or ceramic, and the like, and is not particularly limited herein. By providing an insulating layer on the outer wall of the second shaft portion 303, which is connected to the second shaft portion 303, the insulating layer can effectively reduce thermal damage to surrounding tissue when the electrode 2 is used.
Preferably, the drip port 301 has a reverse crescent configuration. Through setting up drip injection mouth 301 to anti crescent structure, when normal saline further flows into on drip injection mouth 301 through infusion sleeve pipe 5, anti crescent structure has increased the flow area of normal saline, makes normal saline can pass through drainage groove 102 and electrode 2 contact smoothly, has increased the washing to the surface of a wound, cooling effect.
Preferably, second rod portion 303 is of a bent configuration. Through setting up second pole portion 303 to the structure of buckling, improved medical staff's operation flexibility ratio in the operation process, convenient operation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.