CN215018828U

CN215018828U - Plasma surgical instrument

Info

Publication number: CN215018828U
Application number: CN202023165535.4U
Authority: CN
Inventors: 杨玉山; 贺业腾; 易树文; 何朝东; 汤卫国
Original assignee: Chengdu Shengshi Huitong Medical Technology Co ltd
Current assignee: Chengdu Shengshi Huitong Medical Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-12-07
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a plasma surgical instrument, including electrode subassembly and insulating sleeve, insulating sleeve one end seal one end opening and be used for wearing on the finger, electrode subassembly include working pole, return circuit utmost point and cable, working pole, return circuit utmost point set up at insulating sleeve's blind end and mutual electrical insulation, cable and working pole, return circuit utmost point electricity respectively be connected. Plasma surgical instruments directly wear on the finger, operation operator's finger can be close to and carry out the operation in superficial tissue, the operation is nimble more, accurate, melt, the operation of blood coagulation is reliable and stable more, avoids causing the damage to non-target tissue, effective control operation wound improves operation accuracy nature, improves the operation effect.

Description

Plasma surgical instrument

Technical Field

The utility model relates to the technical field of medical surgical instruments, in particular to a plasma surgical instrument.

Background

The plasma scalpel utilizes the energy generated by a plasma generator to form a highly-gathered 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 and decompose the tissue into simple molecules, atoms or low-molecular-weight gas, so that the ablation and cutting functions are achieved, the current does not directly flow through the tissue, the tissue generates little heat, the treatment temperature is low (40-70 ℃), the activity of cells can be maintained, the thermal injury of the tissue is reduced, and the minimally-invasive effect is realized.

The traditional plasma scalpel is usually in a shape of a long and thin rod, an operator is required to hold a handle part of the plasma scalpel and extend a cutter into a human body to perform minimally invasive surgery operation on target tissues at complex positions, in order to be suitable for the internal surgery operation of the human body, an electrode acting on the target tissues is positioned at the far end of the long and thin rod, and when the operation is performed on superficial tissues, the stability of the plasma scalpel is difficult to maintain, the operation is not flexible enough, non-target tissues are easily damaged, the operation wound is large, and the operation effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve and the technical task who provides improve prior art, provide a plasma surgical instrument, solve the plasma scalpel among the prior art and be not suitable for superficial operation, operational stability is poor, not nimble problem enough.

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

a plasma surgical instrument comprises an electrode assembly and an insulating sleeve, wherein one end of the insulating sleeve is closed, one end of the insulating sleeve is opened, the insulating sleeve is used for being worn on a finger, the electrode assembly comprises a working electrode, a loop electrode and a cable, the working electrode and the loop electrode are arranged at the closed end of the insulating sleeve and are mutually electrically insulated, and the cable is respectively and electrically connected with the working electrode and the loop electrode. The plasma surgical instrument of the utility model adopts a wearable structure, the insulating sleeve is directly worn on the fingers, the electrode acting on the target tissue is positioned at the closed end of the insulating sleeve, namely, the electrode component is close to the end part of the fingers, so that the hand of the surgical operator can be close to the superficial tissue to be processed, the operation is directly carried out on the superficial tissue to be processed by the fingers of the surgical operator, the operation is more flexible and accurate, the operation of ablation and blood coagulation is more stable and reliable, when the traditional plasma surgical knife is used, the tiny action amplitude of the hand of the operator can be amplified by the slender structure of the traditional plasma surgical knife, thereby the condition of damaging the non-target tissue is easy to appear, and the plasma surgical instrument of the utility model enables the surgical operator to carry out the accurate operation more closely, the action amplitude of an operator can not be amplified, the injury to non-target tissues is avoided, the operation wound is effectively controlled, the operation accuracy is improved, and the operation effect is improved.

Furthermore, the insulating sleeve is divided into a plurality of sections along the length direction, the adjacent sections are hinged to be bent along with the movement of finger joints, the use flexibility is good, the device accords with human engineering, an operator can conveniently perform accurate operation, the movement between the adjacent sections of the insulating sleeve is stable and accurate, the stable position relation between the electrode assembly on the insulating sleeve and the end part of the finger can be kept, the position deviation of the electrode assembly is avoided, non-target tissues are prevented from being accidentally injured, and the operation effect is guaranteed.

Furthermore, a flexible lantern ring for sealing is connected between the adjacent sections, the sealing performance is guaranteed by the lantern ring, the use safety is improved, an operator is prevented from accidentally contacting the electrode assembly, and the situation that the operator indirectly contacts the electrode assembly due to the fact that body fluid at the target tissue flows in from the adjacent sections is also avoided.

Furthermore, the cable is embedded into the wall surface of the insulating sleeve to be wired, so that the insulating effect is improved, the situations of electric leakage and the like of the cable are avoided, and the use safety is improved.

Furthermore, the insulating sleeve is a flexible and deformable plastic part, so that the whole insulating sleeve can be bent, the insulating sleeve can flexibly adapt to the movement of fingers, and the operation is more flexible and accurate.

Furthermore, the insulating sleeve is made of one of PVC, PC, PTFE and silica gel materials, has deformation capacity and simultaneously ensures a good insulating effect, and ensures the safety and reliability of operation.

Furthermore, the closed end of the insulating sleeve is provided with an arc-shaped surface, and the working electrode is arranged on the arc-shaped surface, so that the movable condition of fingers can be met, and the accurate operation can be performed by using the working electrode.

Furthermore, the working electrode is a sheet electrode attached to the arc-shaped surface, so that large-area operation is facilitated.

Furthermore, the loop pole surrounds the whole circumferential outer wall of the insulating sleeve, the area of the loop pole is large, a stable loop is formed between the working pole and the loop pole, the treatment effect is guaranteed, the working pole is enabled to act on target tissues efficiently and accurately, and the damage range of non-target tissues is reduced.

Furthermore, still be provided with the fixing device who is used for fixing the insulating sleeve on the finger on the insulating sleeve, avoid insulating sleeve to take off or the landing from the finger in the operation process, improve the reliability of operation, avoid insulating sleeve displacement accidental injury non-target tissue.

Further, the fixing device comprises one or more of an adhesive, a clamping component, an elastic sleeve and a plug body layer. Simple structure, it is convenient to implement, can be stable fix the insulating sleeve on the finger, avoid the insulating sleeve to take place to shift, improve the reliability and the accuracy of operation.

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

plasma surgical instruments directly wear on the finger, operation operator's finger can be close to and carry out the operation in superficial tissue, is particularly useful for symptoms such as gluteus contracture, and the operation is nimble more, accurate, melts, the operation of blood coagulation is reliable and more stable, avoids causing the damage to non-target tissue, effective control operation wound improves operation accuracy nature, improves the operation effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a plasma surgical instrument;

FIG. 2 is a partial schematic view of the closed end of the insulative sleeve;

FIG. 3 is a schematic view of the rotational connection of adjacent sections of the insulative sleeve;

FIG. 4 is a schematic structural view of a plasma surgical instrument in a bent state;

FIG. 5 is a schematic view of a second embodiment of a plasma surgical tool;

FIG. 6 is another schematic structural view of a second embodiment of a plasma surgical tool;

FIG. 7 is a third schematic view of the second embodiment of the plasma surgical tool;

fig. 8 is a schematic structural view of a third embodiment of a plasma surgical instrument.

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 surgical instrument adopts wearable structure, directly dresses on the finger, can be more accurate, stable operation, improves the operation precision, avoids causing the damage to non-target tissue, and effective control operation wound improves the operation effect.

Example one

As shown in fig. 1 to 4, a plasma surgical instrument mainly comprises an electrode assembly and an insulating sleeve 1, wherein one end of the insulating sleeve 1 is closed and the other end is open and is used for being worn on a finger, that is, the insulating sleeve 1 forms a finger stall structure, the electrode assembly comprises a working electrode 2, a circuit electrode 3 and a cable 4, the working electrode 2 and the circuit electrode 3 are arranged at the closed end of the insulating sleeve 1 and are electrically insulated and separated, the cable 4 is routed along the insulating sleeve 1 and is respectively electrically connected with the working electrode 2 and the circuit electrode 3, the working electrode 2 and the circuit electrode 3 are connected with an external plasma surgical host through the cable 4, a switch is controlled on a pedal, the insulating sleeve 1 is sleeved on the finger when performing surgery, the working electrode and the circuit electrode form a bipolar electrode structure, current flows between the working electrode and the circuit electrode without using a negative plate, and no current flows through a human body, plasma of 100um ~ 130um can be formed on the working pole 2, can be accurate carry out the operation to target tissue, break down the molecular bond, make target tissue use the molecule to disintegrate as the unit, form cutting and melt the effect at low temperature, reduce the damage to normal tissue, improve the operation effect, be favorable to postoperative healing.

In this embodiment, the closed end of the insulating sleeve 1 is provided with an arc-shaped surface, the working electrode 2 is arranged on the arc-shaped surface, and specifically, the arc-shaped surface is located at the position of the finger abdomen, so that the insulating sleeve 1 can be better matched with the fingers, meets the ergonomics, and is beneficial to improving the accuracy of the surgical operation; the loop pole 3 surrounds the whole circumferential outer wall of the insulating sleeve 1, the area of the loop pole is large, a stable loop is formed between the working pole and the loop pole, the treatment effect is guaranteed, and the working pole is enabled to act on target tissues efficiently and accurately.

The cable 4 is embedded in the wall surface of the insulating sleeve 1 for wiring, namely the cable 4 is wrapped by the wall surface of the insulating sleeve 1, so that the insulativity is improved, the condition of electric leakage is avoided, the use safety is improved, in addition, a sealing adhesive 7 is arranged between the edges of the working electrode 2 and the loop electrode 3 and the insulating sleeve 1, the sealing property is improved, the accidental conditions of short circuit and electric leakage are avoided, the operation safety is improved, and the working electrode 2 and the loop electrode 3 are fixed on the insulating sleeve 1 through the sealing adhesive 7; the working electrode 2 and the loop electrode 3 are further fixed on the insulating sleeve 1 in a clamping mode or a mode of combining sealing glue and clamping.

In order to further improve the flexibility and the accuracy of the operation, the insulating sleeve 1 can be bent along with the movement of the finger joint, so as to conform to the ergonomics and facilitate the refined operation, specifically, the insulating sleeve 1 is divided into a plurality of sections along the length direction, in the embodiment, the insulating sleeve has three sections, so as to conform to the structure of the finger of a human body, the adjacent sections are hinged, the insulating sleeve 1 is made of a high polymer insulating material, specifically, high insulating performance materials such as polytetrafluoroethylene, ABS and the like can be adopted, each section of the insulating sleeve 1 has certain rigidity, namely, the insulating sleeve 1 is inflexible and has better structural stability, so as to ensure the stability of the working electrode 2 and the loop electrode 3 and ensure the accuracy of the operation, specifically, the adjacent sections of the insulating sleeve are respectively connected through the rotating pins 6 at the two sides of the finger joint, the rotating pin 6 is located in the middle of two sides of the finger joint, when the fingers of an operator bend, the adjacent sections of the insulating sleeve rotate by taking the rotating pin as the center, the insulating sleeve can be reliably bent along with the movement of the finger joint, the position stability of the electrode assembly relative to the fingers of the operator is guaranteed, the position deviation of the electrode assembly is avoided from accidentally injuring non-target tissues, the operation accuracy is improved, the operation wound is effectively controlled, and the operation effect is improved.

And, still link up between the adjacent section and be used for sealed flexible lantern ring 5, lantern ring 5 adopts flexible material or flexible material to constitute, utilizes the lantern ring to ensure the leakproofness, improves the safety in utilization, avoids the operator to touch the body fluid of electrode subassembly with the target tissue department by accident, and preferably, lantern ring 5 adopt bilayer structure, cable 4 pass between the lantern ring 5 of bilayer and walk the line, further guarantee insulating nature, avoid taking place the situation of electric leakage, improve the safety in utilization.

Example two

Insulating sleeve 1 can take place the condition that pine takes off, the landing when dressing on the finger to can influence the accuracy of operation, in order to ensure plasma surgical instruments's wearing stability still be provided with the fixing device who is used for fixing insulating sleeve 1 on the finger on insulating sleeve 1.

Specifically, as shown in fig. 5, the fixing device is a plug layer 8 disposed on the inner wall of the insulating sleeve 1, the plug layer 8 may have elasticity so as to fill a gap between the insulating sleeve 1 and a finger, thereby achieving an effect of fixing the insulating sleeve 1 on the finger, and the plug layer 8 preferably uses an insulating material, so as to improve the insulating protection property and the use safety, and one side of the plug layer 8 facing the finger may further have a plurality of protrusions to increase the friction resistance and improve the stability of wearing the insulating sleeve 1 on the finger;

as shown in fig. 6, the fixing device may also be an adhesive member 9 disposed on the insulating sleeve 1, the adhesive member 9 may be an adhesive tape, after the insulating sleeve 1 is worn on a finger, the release layer of the adhesive tape is torn off, and then the adhesive tape is wound and adhered on the hand, which can also play a role in improving the wearing stability, ensuring the accuracy of the surgical operation, and after the surgical operation is completed, the adhesive tape can be conveniently removed to take the plasma surgical instrument off the finger, so that the plasma surgical instrument is convenient to wear and remove;

as shown in fig. 7, the fixing device may also be a clamping assembly 10 disposed on the insulating sleeve 1, the clamping assembly 10 specifically adopts an openable elastic clamp, and the fingers are clamped by the elastic clamp to fix the insulating sleeve 1 on the fingers, so that the accuracy of the operation is ensured, and the insulating sleeve is convenient to wear and remove.

The fixing device can also be a circle of elastic band arranged on the opening end of the insulating sleeve 1, the elastic band is tightly attached to the fingers, the wearing and the removing are convenient, and the stability of the plasma surgical instrument worn on the fingers can be ensured.

EXAMPLE III

As shown in fig. 8, the difference from the first embodiment is that the whole insulating sleeve 1 is a flexible plastic member, the insulating sleeve 1 can be made of one of PVC, PC, PTFE and silicone, and the whole insulating sleeve can be bent to adapt to the movement of fingers, thereby ensuring the flexibility of the operation.

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

1. The utility model provides a plasma surgical instrument, characterized in that, includes electrode subassembly and insulating sleeve (1), insulating sleeve (1) one end seal one end opening and be used for wearing on the finger, electrode subassembly include working pole (2), return circuit utmost point (3) and cable (4), working pole (2), return circuit utmost point (3) set up the blind end at insulating sleeve (1) and mutual electrical insulation, cable (4) and working pole (2), return circuit utmost point (3) electricity respectively connect.

2. Plasma surgical instrument according to claim 1, characterized in that the insulating sleeve (1) is divided along its length into several segments, between which adjacent segments are hinged to bend with finger joint movement.

3. The plasma surgical instrument of claim 2, further comprising a flexible collar for sealing between adjacent segments.

4. The plasma surgical instrument according to claim 1, characterized in that the cable (4) is embedded in the wall of the insulating sleeve (1) for routing.

5. Plasma surgical instrument according to claim 1, characterized in that the insulating sleeve (1) is a flexible plastic element.

6. Plasma surgical instrument according to claim 5, characterized in that the insulating sleeve (1) is made of one of PVC, PC, PTFE, silicone materials.

7. Plasma surgical instrument according to any of claims 1 to 6, characterized in that the closed end of the insulating sleeve (1) is provided with an arc-shaped face on which the working electrode (2) is arranged.

8. The plasma surgical instrument as claimed in claim 7, characterized in that said working electrode (2) is a sheet electrode which is attached to said arc-shaped surface.

9. The plasma surgical instrument according to any one of claims 1 to 6, characterized in that the return pole (3) surrounds the entire circumferential outer wall of the insulating sleeve (1).

10. Plasma surgical instrument according to any one of claims 1 to 6, characterized in that the insulating sleeve (1) is further provided with fixing means for fixing the insulating sleeve (1) on a finger.

11. The plasma surgical instrument as claimed in claim 10, wherein the fixing means comprises one or more of an adhesive, a clamping assembly, an elastic sleeve, and a plug layer (8).