CN215384584U

CN215384584U - Multi-angle radio frequency plasma sawtooth planing cutter

Info

Publication number: CN215384584U
Application number: CN202022821313.7U
Authority: CN
Inventors: 陈桂; 张孝文; 廖雯静; 宋丽娟; 刘卫兴
Original assignee: First Affiliated Hospital of Guangzhou Medical University
Current assignee: First Affiliated Hospital of Guangzhou Medical University
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2022-01-04
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a multi-angle radio frequency plasma sawtooth planing knife which comprises an outer knife pipe, wherein raised lines are annularly distributed on the inner wall of the outer knife pipe at equal intervals, the outer knife pipe is connected with an inner knife bar in a sliding mode through the raised lines, an adjusting channel is arranged on the inner wall of the inner knife bar, a turntable assembly is connected on the inner wall of the adjusting channel in a sliding mode, a rotating shaft and a sawtooth knife head are fixedly connected to the outer wall of the end part of the inner knife bar, and the sawtooth knife head is connected to the outer wall of the end part of the inner knife bar in a rotating mode through the rotating shaft. The utility model is provided with the drawable and bendable sawtooth tool bit, the planing operation is realized by drawing the foldable sawtooth tool bit through the guide wire, meanwhile, the guide wire can be drawn back and forth under the coordination of the turntable component to form the sawing effect, the clamping structure is formed by folding the foldable sawtooth tool bit and the inner tool bar, and the clamping structure can clamp debris to enter the outer tool tube to facilitate the suction and collection of a suction apparatus.

Description

Multi-angle radio frequency plasma sawtooth planing cutter

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a multi-angle radio frequency plasma sawtooth planing cutter.

Background

The modern package cuts driving system is a high performance general surgical instrument, has advantages such as attract unobstructed, wash convenient, installation is swift and full waterproof design. The shaver is actually composed of two sleeves stacked together, both sleeves having a window, the window at the tip being cut by a stationary outer blade tube and a rotating inner core, and the tissue being sucked into the blade edge and the debris being sucked out by an aspirator for cutting purposes, such as a medical serrated shaver disclosed in the publication CN 207168548U.

According to the utility model, the plasma and the planning of the serrated knife head are mutually matched to carry out cutting, sawing, polishing and other treatments on human tissues, the plasma thin layer is formed at the front end of the serrated knife head through radio frequency plasma discharge, so that the serrated knife head is sharper, the operation time is shorter, the accuracy is higher, the pain of a patient is reduced, the operation risk is reduced, meanwhile, the plasma thin layer decomposes the contacted human tissue cells, the effects of cutting, melting and hemostasis are achieved, and a large amount of blood and a large amount of tissue fragments are avoided from being generated in the operation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a multi-angle radio frequency plasma sawtooth planing tool.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a multi-angle radio frequency plasma sawtooth planing knife comprises an outer knife pipe, convex strips are annularly distributed on the inner wall of the outer knife pipe at equal intervals, the outer cutter rod is connected with an inner cutter rod through a convex strip in a sliding way, the inner wall of the inner cutter rod is provided with an adjusting channel, and the inner wall of the adjusting channel is connected with a turntable component in a sliding way, the outer wall of the end part of the inner cutter bar is fixedly connected with a rotating shaft and a sawtooth cutter head, and the sawtooth cutter head is rotationally connected with the outer wall of the end part of the inner cutter bar through a rotating shaft, the inner wall of the sawtooth cutter head is provided with a drawing guide groove, and a guide wire is connected between the inner wall of the drawing guide groove and the turntable component in a transmission way, the other end of the guide wire passes through the middle part of the inner wall of the inner cutter bar, and the two ends of the guide wire are both connected with electrode plates, the outer walls of the two ends of the guide wire are both sleeved with a drawing sleeve, the outer wall of the guide wire is provided with a flexible insulating coating, and the guide wire is a nickel-chromium wire with pure resistance.

As a further scheme of the utility model, the turntable assembly comprises an adjusting rod, a rotating wheel bracket and a switching wheel, the rotating wheel bracket is vertically and fixedly connected to the outer wall of the end part of the adjusting rod, and the switching wheel is rotatably connected to the inner wall of the rotating wheel bracket.

As a further scheme of the utility model, the outer wall of the guide wire is slidably connected to the outer wall of the bottom end of the transfer wheel.

As a further scheme of the utility model, a groove is formed in the inner wall of one end, close to the sawtooth tool bit, of the inner tool bit, and a recovery spring is arranged between the inner wall of the groove and one end, close to the rotating shaft, of the sawtooth tool bit.

As a further scheme of the utility model, the plasma generator further comprises a radio frequency plasma generator, wherein the radio frequency plasma generator is connected between the electrode plates on the two sides in series, the radio frequency plasma generator is connected with a switch, and the switch is connected with a PLC (programmable logic controller) through a lead.

As a further scheme of the utility model, the novel sawtooth-shaped cutter head further comprises an internal probe, wherein the internal probe is arranged on the outer wall of the end part of the sawtooth-shaped cutter head, the internal probe consists of a wireless transmission probe and an illuminating lamp, and the wireless transmission probe is electrically connected with the illuminating lamp.

The utility model has the beneficial effects that:

1. the sawtooth planing knife is provided with the sawtooth tool bit capable of being pulled and folded, planing operation is achieved by pulling and folding the guide wire, meanwhile, the guide wire can be pulled and pulled back and forth under the matching of the turntable assembly to achieve the sawing effect, the sawtooth tool bit and the inner tool bar are folded to form the clamping structure, the traditional double-tool-bit rotary cutting structure is replaced by the bending planing and guide wire hot cutting structure, planing is more thorough, and chippings can be clamped into the outer tool tube after planing, so that the chippings can be attracted and collected by an aspirator;

2. the rotary disc component of the sawtooth planing knife realizes bending and traction of sawtooth tool bits at different angles through sliding adjustment of the adjusting sliding groove, and the tissue which can be contacted with the sawtooth tool bits and the guide wire is quickly cut in the subsequent continuous drawing process, so that the sawtooth planing knife is suitable for tissue structures with different sizes and shapes;

3. the electrode plates are arranged at the two ends of the guide wire in the sawtooth planing knife, so that the guide wire can be hot-cut, the wound can be quickly sutured at the hot cut, bleeding is avoided, quick slicing is realized, the wound is quickly ablated and stopped bleeding is realized, and the operation is safer.

Drawings

FIG. 1 is a schematic perspective view of an embodiment 1 of a multi-angle RF plasma sawtooth planing tool according to the present invention;

FIG. 2 is a schematic view of a serrated blade head structure of an embodiment 1 of a multi-angle RF plasma serrated shaver according to the present invention;

FIG. 3 is a schematic structural diagram of a turntable assembly of an embodiment 1 of a multi-angle RF plasma saw-tooth planing tool according to the present invention;

fig. 4 is a schematic perspective view of an embodiment 2 of a multi-angle rf plasma saw-tooth planing tool according to the present invention.

In the figure: 1. an outer cutter tube; 2. drawing the sleeve; 3. an electrode sheet; 4. a turntable assembly; 5. an inner cutter bar; 6. a rotating shaft; 7. a serrated bit; 8. a transfer wheel; 9. adjusting the slide way; 10. a pull-out guide groove; 11. a restoring spring; 12. a rotating wheel bracket; 13. adjusting a rod; 14. a radio frequency plasma generator; 15. a probe is arranged in the probe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-3, a multi-angle rf plasma sawtooth planing tool comprises an outer cutter tube 1, wherein raised strips are annularly distributed on the inner wall of the outer cutter tube 1 at equal intervals, the outer cutter tube 1 is connected with an inner cutter bar 5 through the raised strips in a sliding manner, the inner wall of the inner cutter bar 5 is provided with an adjusting channel 9, the inner wall of the adjusting channel 9 is connected with a turntable assembly 4 in a sliding manner, the outer wall of the end part of the inner cutter bar 5 is fixedly connected with a rotating shaft 6 and a sawtooth cutter head 7, the sawtooth cutter head 7 is rotatably connected with the outer wall of the end part of the inner cutter bar 5 through the rotating shaft 6, the inner wall of the sawtooth cutter head 7 is provided with a pull guide groove 10, a guide wire is in transmission connection between the inner wall of the pull guide groove 10 and the turntable assembly 4, the other end of the guide wire penetrates through the middle part of the inner wall of the inner cutter bar 5, the outer wall of the guide wire is provided with a flexible insulating coating, the guide wire is a pure resistance nichrome wire, and both ends of the guide wire are connected with electrode plates 3, the both ends outer wall of seal wire has all cup jointed the drawing cover 2, carousel subassembly 4 is including adjusting pole 13, runner support 12 and switching wheel 8, and the perpendicular fixed connection of runner support 12 is on the tip outer wall of adjusting pole 13, switching wheel 8 rotates to be connected on the inner wall of runner support 12, the outer wall sliding connection of seal wire is on switching wheel 8's bottom outer wall, the one end inner wall that interior cutter arbor 5 is close to sawtooth tool bit 7 is equipped with the recess, and the inner wall of recess and sawtooth tool bit 7 are close to and are equipped with recovery spring 11 between 6 one ends of axis of rotation.

The working principle of the embodiment is as follows: when the multi-angle radio frequency plasma sawtooth planning knife is used, through the combination shown in figure 1, the inner cutter bar 5 is inserted on the inner wall of the outer cutter tube 1, wherein the inner cutter bar 5 slides on the outer wall of the convex strip at different positions and angles on the inner wall of the outer cutter tube 1, the angle adjustment is realized, the multi-angle operation of 360 degrees is realized, the turntable component 4 is connected on the inner wall adjusting slide way 9 of the inner cutter bar 5 in a sliding way, then the guide wire passes through the lower side of the switching wheel 8 in the turntable component 4 and passes through the drawing guide groove 10 and the inner cutter bar 5 to form a ring, the two ends are connected with the electrode plates 3, the sawtooth cutter head 7 and the guide wire are sleeved outside the tissue, the sawtooth cutter head 7 is pulled by the guide wire to bend and the guide wire to press and cut the tissue, meanwhile, the drawing sleeve 2 is used for continuously drawing and cutting the guide wire, after the two ends of the guide wire are electrified, the guide wire is heated to form hot cutting, the wound is timely heat-sealed and hemostatic after the occluded tissue is quickly cut, improve the tissue cutting efficiency and reduce the operation risk.

Example 2

Referring to fig. 4, a multi-angle radio frequency plasma sawtooth planer tool, this embodiment is for embodiment 1, the main difference lies in this embodiment, still include radio frequency plasma generator 14, radio frequency plasma generator 14 series connection is between the electrode slice 3 of both sides, and radio frequency plasma generator 14 is connected with the switch, the switch is connected with the PLC controller through the wire, still include built-in probe 15, built-in probe 15 establishes on the tip outer wall of sawtooth tool bit 7, and built-in probe 15 constitutes for wireless transmission probe and light, pass through electric connection between wireless transmission probe and the light.

The working principle of the embodiment is as follows: based on the working principle of the embodiment 1, two ends of an electrode plate 3 are connected with a radio frequency plasma generator 14, radio frequency plasma is introduced on the basis of hot cutting, and radio frequency plasma discharges to form a plasma thin layer at the front end of the serrated knife head, so that the serrated knife head is sharper, the operation time is shorter, the accuracy is higher, the pain of a patient is reduced, the operation risk is reduced, meanwhile, the plasma thin layer decomposes contacted human tissue cells, the cutting, ablation and hemostasis effects are achieved, and a large amount of blood and a large amount of tissue fragments are avoided from being generated in the operation process;

meanwhile, a built-in probe 15 is integrated at the end part of the sawtooth tool bit 7 and used for probing the position of the tissue to be cut after the incision enters, so that the planing tool can be conveniently positioned.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a multi-angle radio frequency plasma sawtooth planer, includes outer sword pipe (1), its characterized in that, the inner wall equidistance annular distribution of outer sword pipe (1) has the sand grip, and outer sword pipe (1) has interior cutter arbor (5) through sand grip sliding connection, the inner wall of interior cutter arbor (5) is equipped with adjusts channel (9), and adjusts the inner wall sliding connection of channel (9) and have a carousel subassembly (4), the tip outer wall fixedly connected with axis of rotation (6) and sawtooth tool bit (7) of interior cutter arbor (5), and sawtooth tool bit (7) rotate through axis of rotation (6) and be connected on the tip outer wall of interior cutter arbor (5), the inner wall of sawtooth tool bit (7) is equipped with pull guide slot (10), and the transmission is connected with the seal wire between the inner wall of pull guide slot (10) and carousel subassembly (4), the other end of seal wire passes the inner wall middle part of interior cutter arbor (5), and both ends of seal wire all are connected with electrode slice (3), the both ends outer wall of seal wire all has cup jointed and has drawn cover (2), the outer wall of seal wire is equipped with flexible insulating coating, and the seal wire is the nickel chromium wire of pure resistance.

2. The multi-angle radio frequency plasma sawtooth planing tool as claimed in claim 1, wherein the turntable assembly (4) comprises an adjusting rod (13), a rotating wheel support (12) and a transfer wheel (8), the rotating wheel support (12) is vertically and fixedly connected to the outer wall of the end part of the adjusting rod (13), and the transfer wheel (8) is rotatably connected to the inner wall of the rotating wheel support (12).

3. The multi-angle rf plasma saw-tooth planing tool according to claim 2, wherein the outer wall of the guide wire is slidably connected to the outer wall of the bottom end of the transfer wheel (8).

4. A multi-angle rf plasma saw-tooth planing tool as claimed in claim 1, wherein the inner cutter bar (5) has a recess on the inner wall of the end near the saw-tooth head (7), and a restoring spring (11) is provided between the inner wall of the recess and the end of the saw-tooth head (7) near the rotating shaft (6).

5. The multi-angle radio frequency plasma sawtooth planing tool according to claim 1, further comprising a radio frequency plasma generator (14), wherein the radio frequency plasma generator (14) is connected in series between the electrode plates (3) on two sides, the radio frequency plasma generator (14) is connected with a switch, and the switch is connected with a PLC (programmable logic controller) through a lead.

6. The multi-angle radio frequency plasma sawtooth planing tool according to claim 1, further comprising an internal probe (15), wherein the internal probe (15) is arranged on the outer wall of the end part of the sawtooth tool bit (7), the internal probe (15) is composed of a wireless transmission probe and a lighting lamp, and the wireless transmission probe and the lighting lamp are electrically connected.