CN211243674U - Plasma scalpel - Google Patents

Abstract

The utility model discloses a plasma scalpel, including bearing the main part and setting up the working pole in bearing the main part, the working pole is including the action part two that is located the action part one that bears main part distal end terminal surface and is located the main part distal end side. The work of plasma scalpel has the effect portion that is in different positions extremely, can carry out the operation to the target tissue that is in different positions department, and the operation precision is high, effectual, need not to change surgical instruments in the art, and the operation is convenient more, efficiency, shortens the operation time, sparingly the operation spending.

Description

Plasma scalpel

Technical Field

The utility model relates to a medical instrument technical field especially relates to a plasma scalpel.

Background

The plasma scalpel utilizes the energy generated by the plasma generator to form a highly-aggregated plasma thin layer between a plasma scalpel head and a tissue, the plasma in the thin layer is accelerated by an electric field and has enough energy to crush organic molecular chains in the tissue, so that the tissue is decomposed into simple moleculesAnd atomic or low molecular weight gas, thereby achieving the function of ablation and cutting. Since the current does not flow directly through the tissue, the tissue generates very little heat, so the treatment temperature is low (40-70 ℃), and the activity of the cells can be maintained. Meanwhile, due to the insulation effect of the plasma and the heat effect of the current, the blood vessel can be quickly contracted and solidified, and the function of hemostasis in the operation is realized. The plasma generated in physiological saline contains various active particles (electrons, ions, atoms, molecules, free radicals and the like in various excited states), which easily cause oxidation reaction of proteins and nucleic acid substances in bacteria, molds, spores and viruses to denature, kill various microorganisms or finally oxidize and degrade bacteria into CO and CO₂、H₂O, thereby realizing the function of sterilization in operation.

The plasma scalpel is usually applied to minimally invasive surgery, mainly aims to realize accurate cutting and ablation of tissues and accurate intraoperative hemostasis, the working surface of the existing plasma scalpel is single, only the operation can be carried out on target tissues at specific positions, but the actual surgical environment is usually complex and narrow, the positions of the target tissues are complex and diverse, the single working surface is difficult to reach the target tissues, the plasma scalpels of different types need to be replaced in the surgical process to carry out surgical treatment on the target tissues at different positions, time and labor are wasted, and the surgical expenditure of patients is greatly increased.

SUMMERY OF THE UTILITY MODEL

As used herein, the term "proximal" refers to the end of the device or portion thereof that is closer to the user, and the term "distal" refers to the end of the device or portion thereof that is further from the user.

The utility model discloses the technical problem that will solve and the technical task who provides are to improve prior art, provide a plasma scalpel, solve the plasma scalpel working face singleness among the prior art, need change the scalpel of different grade type in the art, waste time and energy, problem that the operation spending is big.

For solving the above technical problem, the technical scheme of the utility model is that:

a plasma scalpel comprises a bearing main body and a working electrode arranged on the bearing main body, wherein the working electrode comprises a first action part and a second action part, the first action part is located on the end face of the far end of the bearing main body, and the second action part is located on the side face of the far end of the bearing main body.

Plasma scalpel utilize the effect portion one that is in different positions, the operation is carried out to the target tissue that is in different positions to effect portion two, the operation is carried out to the target tissue that is in different positions along the direction back-and-forth movement plasma scalpel available effect portion accuracy that bears main part near-end to distal end, along bearing main part side direction remove plasma scalpel then the operation is carried out to the target tissue that lies in bearing main part distal end side direction of the accuracy of two available effects portions, the operation is more accurate, it is convenient, effect portion one, produce plasma on the effect portion two simultaneously, the working area is big, can cut on a large scale, melt, stanch, high work efficiency. Plasma scalpel can carry out the operation to the target tissue that is in various positions department in the complicated operation environment, application scope is wide, operation precision is high, effectual, need not to change surgical instruments in the art, operation is more convenient, efficiency, shortens the operation time, sparingly the operation spending.

Further, action portion one and action portion two are platelike structure, and action portion one and the second during operation of action portion arouse the plasma that produces along the surface distribution of action portion one and action portion two, and platelike structure then enables to arouse plasma more even, and cutting, hemostatic effect are better, and the operation is more accurate.

Further, work extremely bend into the panel of L shape, two arms of L shape panel are effect portion one and effect portion two respectively promptly, effect portion one links up as an organic whole through the portion of bending with effect portion two promptly, work extremely integrative structure, processing, equipment are convenient to further increase the regional area of effect, make the excitation plasma more even.

Furthermore, the surface of the plate-shaped structure of the first action part and the second action part is provided with a plurality of through holes, so that plasma is easier to excite and generate under lower energy, the plasma excitation is more uniform, and the driving power consumption is reduced.

Furthermore, action portion one and action portion two on being fixed in the main part that bears through the wire of through-hole, connect convenient, firm, guarantee action portion one and the stability of action portion two, avoid action portion one and the situation that action portion two appears droing to the wire also is used for realizing the electricity and connects, and the operation that the electrosurgical energy was cut, was ablated and stanchs target tissue on being connected to action portion one and action portion two through the circuit transmission that the electricity is connected to the wire.

Furthermore, the bearing main body is further provided with a suction through pipe communicated from the near end to the far end, the suction through pipe is used for sucking high-temperature liquid to avoid the tissue from being damaged due to high temperature, the suction through pipe can also be used for sucking smoke generated in the operation, the smoke is prevented from blocking the operation visual field, and the accuracy of the operation is guaranteed.

Furthermore, the far end of the bearing main body is bent, so that the action surfaces of the action part I and the action part II and the length direction of the bearing main body have certain inclination angles, and the precise operation is conveniently carried out on a special position.

Further, still include the return circuit utmost point that separates through the insulating part electrical insulation with the working pole on bearing the weight of the main part, the working pole constitutes bipolar electrode structure with the return circuit utmost point, and the electric current flows through between working pole and return circuit utmost point, need not to use the negative plate, does not have the electric current to flow through the human body, and the operation precision is higher, the reliability is better for unipolar electrode structure, can avoid appearing the condition that the excision tissue is too shallow or too dark, and the consumption is lower, and the wound is littleer, is favorable to postoperative to resume.

Furthermore, the insulating part is arranged at the far end of the metal pipe, the first action part and the second action part are fixed on the insulating part, the loop pole plays a role of a current loop and a role of a bearing main body, the structure is simple and compact, the manufacture is convenient, the loop pole, the first action part and the second action part form a bipolar electrode structure, the loop pole is a slender metal pipe, and the minimally invasive surgery which is accurately performed in a narrow area by the first action part and the second action part is conveniently borne.

Furthermore, the metal tube in set up the suction siphunculus that extends to the distal end from its near-end, the insulating part on set up with the suction hole that the suction siphunculus communicates, the high temperature liquid of usable suction siphunculus suction during operation avoids the tissue to be impaired because of the high temperature, also can utilize the suction siphunculus to aspirate out the smog that the operation produced, avoids smog to block the operation field of vision, ensures the accuracy nature of operation.

Compared with the prior art, the utility model discloses the advantage lies in:

the plasma scalpel has the advantages that the working pole of the plasma scalpel is provided with the action parts at different positions, the plasma scalpel can carry out operation on target tissues at various positions, the operation precision is high, the effect is good, surgical instruments do not need to be replaced in the operation, the operation is more convenient and efficient, the operation time is shortened, and the operation expenditure is saved;

the working electrode with the plate-shaped structure can excite plasma more uniformly, has better cutting and hemostasis effects and is more accurate in operation.

Drawings

Fig. 1 is a schematic overall structure diagram of a plasma scalpel according to the first embodiment;

FIG. 2 is a schematic diagram of detail A in FIG. 1;

FIG. 3 is a cross-sectional view of the distal end of the carrier body according to the first embodiment;

FIG. 4 is a schematic view of an insulating member according to the first embodiment;

FIG. 5 is a cross-sectional view of the distal end of the carrier body according to the second embodiment;

FIG. 6 is a cross-sectional view of the distal end of the carrier body according to the third embodiment;

fig. 7 is a schematic cross-sectional view of a distal end of a bearing body according to a fourth embodiment.

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 embodiment of the utility model discloses a plasma scalpel and surgical device can carry out the operation to the work pole of the nimble different positions of selection department of target tissue, and the operation is more accurate, convenient, need not to change the apparatus in the art, and labour saving and time saving sparingly operates the spending.

Example one

As shown in fig. 1 to 4, a plasma scalpel mainly comprises an electrode assembly, in this embodiment, the electrode assembly adopts a bipolar electrode structure, which includes a working electrode 2 and a return electrode 3, and the working electrode 2 and the return electrode 3 are electrically insulated and separated by an insulating member;

in this embodiment, the loop electrode 3 is a metal pipe, preferably a stainless steel pipe, the stainless steel pipe is sheathed with an insulating layer, the insulating layer can preferably be a heat-shrinkable sleeve, and the far end of the stainless steel pipe is provided with an exposed section;

the far end of a loop pole 3 of a stainless steel pipe is connected with an insulating part, the loop pole 3 and the insulating part are combined to form a bearing main body 1, a working pole 2 is fixed on an insulating part 4, the working pole 2 is a plate bent into an L shape, two arms of the L-shaped plate are a first action part 21 and a second action part 22 respectively, the first action part 21 and the second action part 22 are connected into a whole through a bending part 23, the first action part 21 is positioned on the far end face of the insulating part 4 (namely, the first action part 21 is positioned on the far end face of the bearing main body 1), the second action part 22 is positioned on the far end side face of the insulating part 4 (namely, the second action part 22 is positioned on the far end side face of the bearing main body 1), the working area of the working pole 2 is large, cutting, ablation and hemostasis can be carried out on a large scale, the working efficiency is high, the first action part 21 and the second action part 22 are positioned on different, and the portion 23 of bending also can cut, melt, the operation of stanching equally, the portion 23 of bending is the apex angle structure, and it is little with tissue area of contact, can be more accurate carry out the operation, avoids causing too big wound, and application scope is wide, need not to change surgical instruments in the art, improves operation efficiency, shortens operation time, saves patient's operation spending.

In this embodiment, as shown in fig. 2, the first acting part 21 and the second acting part 22 having plate-shaped structures may preferably be flat plate structures, so that the plasma is excited more uniformly, and the surfaces of the plate-shaped structures of the first acting part 21 and the second acting part 22 are provided with a plurality of through holes 24, so that the plasma is excited more easily at lower energy;

as shown in fig. 4, a fixing hole 42 is formed in the insulating member 4, the metal wire 5 penetrates through the through holes 24 of the first action portion 21 and the second action portion 22 and then penetrates into the fixing hole 42 to fix the working electrode 2 on the insulating member 4, the fixing holes 42 are respectively formed in the distal end face of the insulating member 4 and the distal end side face of the insulating member 4, and the first action portion 21 and the second action portion 22 of the working electrode 2 are respectively fixed by the metal wire 5;

the metal wire 5 is a high-performance metal wire, the metal wire 5 is used for being connected with a power supply circuit to transmit electrosurgical energy to the working electrode 2, and the metal wire 5 plays a role in fixing the working electrode 2 and is also used for electric connection;

the return circuit utmost point 3 of stainless steel pipe is provided with in and extends to the suction siphunculus 6 of distal end from its near-end, insulating part 4 on set up the suction hole 41 with suction siphunculus 6 intercommunication, suction hole 41 can set up and also can set up the distal end side at insulating part 4 at the distal end terminal surface of insulating part 4, the high temperature liquid when usable suction siphunculus suction surgery avoids the tissue to be impaired because of the high temperature, also can utilize the suction siphunculus to aspirate out the smog that the operation produced, avoids smog to block the operation field of vision.

In this embodiment, the proximal end of the loop pole 3 of the stainless steel tube is connected with a handle 7, which is convenient for holding the plasma scalpel for precise operation, the handle 7 is provided with a power supply cable, as shown in fig. 3, the loop pole 3 of the stainless steel tube is connected with one pole of the power supply cable, the working pole 2 is connected with the other pole of the power supply cable through a line running along the inside of the stainless steel tube, and the handle 7 is further provided with a suction pipe communicated with a suction through pipe.

The loop pole 3 is made of a slender stainless steel pipe, and the far end of the loop pole is provided with a bend, so that the action surfaces of the first action part 21 and the second action part 22 and the length direction of the bearing main body 1 have a certain inclination angle, and the accurate operation on a special position is facilitated.

Example two

As shown in fig. 5, the plasma scalpel comprises a bearing body 1 and an electrode assembly arranged on the bearing body 1, the bearing body 1 is of an elongated structure as a whole, the electrode assembly in this embodiment adopts a bipolar electrode structure, and includes a working electrode 2 and a return electrode 3, the working electrode 2 includes a first action part 21 located at the distal end face of the bearing body 1 and a second action part 22 located at the distal side face of the bearing body 1, the return electrode 3 is arranged on the bearing body 1 and adjacent to the working electrode 2, and the return electrode 3 and the working electrode 2 are electrically insulated and separated by an insulator 4;

in this embodiment, the working electrode 2 is a plate bent into an L shape, two arms of the L-shaped plate are a first acting portion 21 and a second acting portion 22, the first acting portion 21 and the second acting portion 22 are connected into a whole through a bent portion 23, the first acting portion 21 and the second acting portion 22 of the plate-shaped structure can be preferably of a flat plate structure, plasma is excited more uniformly, and the surfaces of the plate-shaped structures of the first acting portion 21 and the second acting portion 22 are provided with a plurality of through holes 24, so that the plasma is excited more easily under lower energy;

the working electrode 2 is fixed on the bearing main body 1 through a metal wire 5 penetrating through holes 24 in the first action part 21 and the second action part 22, the metal wire 5 is a high-performance metal wire, and the metal wire 5 is used for being connected with a power supply line to transmit electrosurgical energy to the working electrode 2;

the bearing main body 1 is hollow and is internally provided with a suction through pipe which extends from the near end to the far end, high-temperature liquid in the operation can be sucked out by the suction through pipe to avoid the tissue from being damaged due to high temperature, and smoke generated in the operation can be sucked out by the suction through pipe to avoid the smoke from blocking the operation visual field;

the proximal end of the bearing main body 1 is connected with a handle 7, a plasma scalpel is convenient to hold for accurate operation, a power supply cable piece is arranged on the handle 7, the loop pole 3 is connected with one pole of the power supply cable through a circuit extending along the inside of the bearing main body 1, the working pole 2 is connected with the other pole of the power supply cable through a circuit extending along the inside of the bearing main body 1, and the handle 7 is further provided with a suction pipe piece communicated with a suction through pipe.

EXAMPLE III

As shown in fig. 6, the difference from the second embodiment lies in that the electrode assembly only includes the working electrode 2, the working electrode 2 has the first action part 21 located on the distal end surface of the carrier body 1 and the second action part 22 located on the distal side surface of the carrier body 1, the electrode assembly does not include the loop electrode 3, and the electrode assembly adopts a monopolar electrode structure, and when the plasma scalpel is used for performing an operation, the negative plate is arranged on a human body, so that the operation can be performed on target tissues at different positions in a complex operation environment, the application range is wide, surgical instruments do not need to be replaced in the operation, the operation efficiency is improved, the operation time is shortened, and the operation expense of a patient is saved.

Example four

As shown in fig. 7, the difference from the second embodiment is that the working electrode 2 of the electrode assembly includes a first action part 21 and a second action part 22 which are independent from each other, that is, the first action part 21 and the second action part 22 are independent components, the first action part 21 and the second action part 22 are respectively fixed on the carrier body 1 through the metal wire 5 passing through the through hole 24 on the first action part 21 and the second action part 22, the first action part 21 and the second action part 22 are commonly and electrically connected to the same pole of the power supply cable through a circuit, and the first action part 21 and the second action part 22 operate simultaneously, so that the surgical operation can be performed on the target tissue located in the direction of the distal end face of the carrier body 1, and the surgical operation can be performed on the target tissue located in the direction of the distal side face of the carrier body.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (9)

1. The plasma scalpel is characterized by comprising a bearing main body (1) and a working electrode (2) arranged on the bearing main body (1), wherein the working electrode comprises a first action part (21) positioned on the far end face of the bearing main body (1) and a second action part (22) positioned on the far end side face of the bearing main body (1).

2. Plasma scalpel according to claim 1, characterised in that the first active part (21) and the second active part (22) are of plate-like construction.

3. The plasma scalpel according to claim 2, wherein the working electrode (2) is a plate bent into an L-shape, and two arms of the L-shape plate are respectively a first acting part (21) and a second acting part (22).

4. The plasma scalpel according to claim 2, wherein the plate-shaped structure surfaces of the first acting part (21) and the second acting part (22) are provided with a plurality of through holes (24).

5. Plasma scalpel according to claim 4, characterised in that the first active part (21) and the second active part (22) are fixed to the carrier body (1) by means of wires (5) passing through the through holes (24).

6. Plasma scalpel according to claim 1, in which the carrier body (1) is further provided with a suction tube (6) leading from its proximal end to its distal end.

7. Plasma scalpel according to claim 1, characterised in that the distal end of the carrier body (1) is curved.

8. A plasma scalpel according to any one of claims 1 to 7, further comprising a return pole (3) on the carrier body (1) electrically insulated from the working pole (2) by an insulator (4).

9. The plasma scalpel according to claim 8, wherein the return electrode (3) is a metal tube, the insulator (4) is disposed at a distal end of the metal tube, and the first active portion (21) and the second active portion (22) are fixed to the insulator (4).

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