Surgical electrode with replaceable cutter head

Abstract

The utility model discloses a surgical electrode with a replaceable scalpel head, which relates to the field of surgical electrotome, and comprises an electrode scalpel head and a power cord, a mounting plate is fixedly mounted at the top end of the electrode scalpel head, the outer wall of a mounting shell is connected with the power cord, a butt plate is fixedly connected to the top of the mounting plate, and the butt plate is slidably sleeved in the mounting shell. The power connection assembly is arranged between the mounting shell and the butt joint plate, the electrode tool bit is electrically connected with the power line through the power connection assembly, the clamping assembly is arranged between the butt joint plate and the mounting shell, the tool retracting assembly is arranged in the mounting shell, and the tool retracting assembly, the clamping assembly and the mounting plate form linkage. The electrode tool bit, the power line and the installation assembly are used in a matched mode, under the action of the clamping assembly and the power connection assembly, the electrode tool bit and the power line can be kept in a stable electric connection state, and under the action of the tool retracting assembly, the electrode tool bit can be conveniently and rapidly detached and replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of operating electric knife, in particular to a kind of operating electrode with replaceable tool bit. BACKGROUND

[0002] The working principle of the operating electrode is to emit modulated 4.0MHz / 1.7MHz radio frequency waves from a high-frequency radio frequency surgical system, which are emitted directionally by electrodes of different shapes and act on the tissue being cut. The water molecules in the cells of the tissue rapidly oscillate under the action of the radio frequency waves, rapidly vaporize from the inside of the cells, causing the cells to rupture and evaporate, and achieve the effects of cutting, hemostasis, coagulation, ablation and electrocoagulation in a low-temperature state. Since the cutting temperature is below 42 degrees, it can directly cut the skin without affecting skin healing. The surgical interface is fresh and non-carbonized, equivalent to the cutting effect of "cold weapons". It also has coagulation function, so it is called "cold knife".

[0003] When cutting different tissue cells, different types and shapes of electrode tool bits are needed. In the prior art, when connecting the electrode tool bit to the high-frequency radio frequency surgical system transmitter, a power cord is usually directly plugged into the high-frequency radio frequency surgical system transmitter, i.e. the power cord is directly and electrically connected to the electrode tool bit. Therefore, when replacing the electrode tool bit, the power cord connected to the high-frequency radio frequency surgical system transmitter needs to be unplugged, and the power cord connector of the replaced electrode tool bit needs to be plugged in again. The power cord of the electrode tool bit also needs to be stored or arranged, which reduces the replacement rate and makes it inconvenient to replace the electrode tool bit without replacing the power cord. SUMMARY

[0004] The utility model aims at providing a kind of operating electrode with replaceable tool bit to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an operating electrode with replaceable tool bit, comprising an electrode tool bit and a power cord.

[0006] An installation assembly is provided between the electrode tool bit and the power cord, and the installation assembly comprises:

[0007] An installation plate is fixedly installed at the top end of the electrode tool bit.

[0008] An installation shell is connected to the outer wall of the power cord.

[0009] A docking plate is fixedly connected to the top of the installation plate and is slidingly sleeved in the inside of the installation shell.

[0010] An electricity connection assembly is provided between the installation shell and the docking plate, and the electrode tool bit is electrically connected to the power cord through the electricity connection assembly.

[0011] A clamping assembly is arranged between the docking plate and the mounting shell;

[0012] A tool withdrawal assembly is arranged inside the mounting shell, and the tool withdrawal assembly is linked with the clamping assembly and the mounting plate.

[0013] Preferably, the power connection assembly comprises:

[0014] A conductive spring is clamped inside the mounting shell, and the conductive spring is electrically connected with the power cord;

[0015] A power connection block is fixedly embedded on one side of the docking plate, one side of the power connection block is elastically extruded and attached to the conductive spring, and the power connection block is electrically connected with the electrode tool bit.

[0016] Preferably, the clamping assembly comprises:

[0017] A connecting plate is horizontally and slidingly arranged inside the mounting shell;

[0018] A clamping block is fixedly connected to one side of the connecting plate facing the docking plate, and one side of the docking plate is provided with a clamping groove matched with the clamping block.

[0019] Preferably, the clamping assembly further comprises:

[0020] A first guide rod is fixedly connected to the inside of the mounting shell, and the outer wall of the first guide rod is slidingly and telescopically connected with the connecting plate;

[0021] A limiting spring is slidingly and telescopically connected to the outer wall of the first guide rod, and the end of the limiting spring is extruded and attached to the connecting plate.

[0022] Preferably, the clamping assembly further comprises:

[0023] A connecting piece is fixedly connected to the top of the connecting plate, and the connecting piece is linked with the tool withdrawal assembly;

[0024] A second guide rod is fixedly connected to the inside of the mounting shell, and the outer wall of the second guide rod is slidingly and telescopically connected with the connecting piece.

[0025] Preferably, the tool withdrawal assembly comprises:

[0026] An unlocking plate is slidingly and telescopically connected to the inside of the mounting shell, and the bottom of the unlocking plate is symmetrically provided with a guide hole matched with the connecting piece;

[0027] The bottom of the fixed rod is fixedly connected with the unlocking plate, and the top of the fixed rod is fixedly connected with the button through the mounting shell.

[0028] Preferably, the tool withdrawal assembly further comprises:

[0029] The top of the fixed sleeve is fixedly connected with the unlocking plate;

[0030] The outer wall of the top rod is slidingly sleeved with the fixed sleeve, and the bottom of the top rod is extruded to be attached to the mounting plate;

[0031] The supporting spring is slidingly sleeved in the inside of the fixed sleeve, and the ends of the supporting spring are extruded to be attached to the top rod and the unlocking plate respectively.

[0032] Preferably, the top of the outer wall of the top rod is fixedly connected with a sliding block in a symmetrical manner, the outer wall of the fixed sleeve is provided with a sliding hole, and the outer wall of the sliding block is slidingly sleeved with the inner cavity of the sliding hole.

[0033] The technical effects and advantages of the present application are as follows:

[0034] The electrode tool bit, the power cord and the mounting assembly are used in cooperation, the mounting assembly comprises a mounting plate, a mounting shell, a butt joint plate, an electricity connection assembly, a clamping assembly and a tool withdrawal assembly, under the action of the clamping assembly and the electricity connection assembly, the electrode tool bit can be kept in a stable electrically connected state with the power cord, and under the action of the tool withdrawal assembly, the electrode tool bit can be conveniently and quickly disassembled and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a whole structure schematic view of the present application.

[0036] Figure 2 It is a front internal structure schematic view of the mounting shell of the present application.

[0037] Figure 3 It is a front internal structure schematic view of the mounting shell of the present application. Figure 2 It is an enlarged structure schematic view of A in the present application.

[0038] Figure 4 It is a front internal structure schematic view of the mounting shell of the present application.

[0039] Figure 5 It is a front internal structure schematic view of the fixed sleeve of the present application.

[0040] Figure 6 It is a principle diagram of the electrode tool bit of the present application.

[0041] In the figure: 1, electrode cutter head; 2, power cord; 3, mounting assembly; 31, mounting plate; 32, mounting shell; 33, docking plate; 34, electricity connection assembly; 341, conductive spring piece; 342, electricity connection block; 35, clamping assembly; 351, connecting plate; 352, clamping block; 353, connecting piece; 354, first guide rod; 355, limiting spring; 356, second guide rod; 36, tool withdrawal assembly; 361, unlocking plate; 362, guide hole; 363, fixing rod; 364, button; 365, fixing sleeve; 366, ejector rod; 367, supporting spring; 368, sliding block; 369, sliding hole. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0043] The utility model provides a kind of surgical electrode with replaceable cutter head as shown in Figures 1-6 As shown in the working principle circuit diagram of the connection of electrode cutter head 1 and power cord 2 with high-frequency radio frequency surgical system transmitter, wherein 4.0Mhz frequency and special working waveform are used for monopolar tissue mixed cutting, 0.5Mhz frequency and special working waveform are used for monopolar tissue coagulation, 1.7Mhz frequency special working waveform is used for bipolar tissue cutting and coagulation, and the mounting assembly 3 includes mounting plate 31, mounting shell 32, docking plate 33, electricity connection assembly 34, clamping assembly 35 and tool withdrawal assembly 36. Figure 6 The outer wall of mounting shell 32 is connected with power cord 2, the top of mounting plate 31 is fixedly connected with docking plate 33, docking plate 33 is slidingly sleeved in the inside of mounting shell 32, electricity connection assembly 34 is arranged between mounting shell 32 and docking plate 33, electrode cutter head 1 is electrically connected with power cord 2 through electricity connection assembly 34, clamping assembly 35 is arranged between docking plate 33 and mounting shell 32, clamping assembly 35 can stably mount two docking plates 33 in the inside of mounting shell 32, tool withdrawal assembly 36 is arranged in the inside of mounting shell 32, tool withdrawal assembly 36 is linked with clamping assembly 35 and mounting plate 31, so that under the action of tool withdrawal assembly 36, not only the locking of clamping assembly 35 on docking plate 33 can be released, but also docking plate 33 can be directly pushed out of mounting shell 32.

[0044] Further, the electricity connection assembly 34 comprises an electrically-conductive elastic sheet 341 and an electricity connection block 342. The electrically-conductive elastic sheet 341 is clamped in the interior of the mounting shell 32 and is electrically connected with the power cord 2. The electricity connection block 342 is fixedly embedded in one side of the abutting plate 33 and is elastically pressed against the electrically-conductive elastic sheet 341. The electricity connection block 342 is electrically connected with the electrode cutter head 1, so that the electrode cutter head 1 is electrically connected with the power cord 2 through the electrically-conductive elastic sheet 341 and the electricity connection block 342.

[0045] In particular, the clamping assembly 35 comprises a connecting plate 351 and a clamping block 352. The connecting plate 351 is horizontally slidably arranged in the interior of the mounting shell 32. The clamping block 352 is fixedly connected to one side of the connecting plate 351 facing the abutting plate 33. The abutting plate 33 is provided with a clamping groove matching the clamping block 352 on one side thereof. The top of the abutting plate 33 is provided with a circular arc chamfer. The bottom of the clamping block 352 is provided with an inclined slope surface, so that the abutting plate 33 can be inserted between the clamping block 352 and the mounting shell 32. That is, when the two connecting plates 351 move away from each other, the clamping block 352 can be clamped with the abutting plate 33. When the two connecting plates 351 move towards each other, the clamping block 352 can be separated from the abutting plate 33.

[0046] Further, the clamping assembly 35 further comprises a first guide rod 354 and a limiting spring 355. The first guide rod 354 is fixedly connected to the interior of the mounting shell 32. The outer wall of the first guide rod 354 is slidably sleeved with the connecting plate 351. The limiting spring 355 is slidably sleeved on the outer wall of the first guide rod 354. The end of the limiting spring 355 is elastically pressed against the connecting plate 351. The limiting spring 355 can provide a repulsive force to the two connecting plates 351, so as to ensure the stability of the clamping of the clamping block 352 with the abutting plate 33 by the connecting plate 351. The clamping assembly 35 further comprises a connecting piece 353 and a second guide rod 356. The connecting piece 353 is fixedly connected to the top of the connecting plate 351 and is linked with the tool withdrawal assembly 36. The second guide rod 356 is fixedly connected to the interior of the mounting shell 32. The outer wall of the second guide rod 356 is slidably sleeved with the connecting piece 353. The first guide rod 354 and the second guide rod 356 can ensure the stability of the translation of the connecting plate 351 and the connecting piece 353 in the interior of the mounting shell 32.

[0047] Further, the tool withdrawal assembly 36 comprises an unlocking plate 361, a fixing rod 363 and a button 364, the unlocking plate 361 is slidingly sleeved in the interior of the mounting shell 32, the bottom of the unlocking plate 361 is symmetrically provided with a guide hole 362 matched with the connecting piece 353, the bottom of the fixing rod 363 is fixedly connected with the unlocking plate 361, the top of the fixing rod 363 is fixedly connected with the button 364 through the mounting shell 32, so as to extrude the button 364, make the fixing rod 363 push the unlocking plate 361 to move towards the mounting plate 31, under the action of the inclined guide hole 362 and the inclined connecting piece 353, the two connecting pieces 353 can drive the two connecting plates 351 to relatively move, so as to make the clamping block 352 separate from the docking plate 33, and release the locking state of the docking plate 33.

[0048] Particularly, the tool withdrawal assembly 36 further comprises a fixing sleeve 365, a top rod 366 and a supporting spring 367, the top of the fixing sleeve 365 is fixedly connected with the unlocking plate 361, the outer wall of the top rod 366 is slidingly sleeved with the fixing sleeve 365, the bottom of the top rod 366 is extrudedly matched with the mounting plate 31, the supporting spring 367 is slidingly sleeved in the interior of the fixing sleeve 365, the ends of the supporting spring 367 are extrudedly matched with the top rod 366 and the unlocking plate 361 respectively, and the supporting spring 367 can support the weight of the unlocking plate 361, the fixing sleeve 365, the fixing rod 363 and the button 364, when the unlocking plate 361 moves towards the mounting plate 31, the compression deformation amount of the supporting spring 367 increases, and the clamping block 352 separates from the docking plate 33, under the action of the supporting spring 367, the top rod 366 can push the mounting plate 31 to move away from the mounting shell 32, so as to make the docking plate 33 separate from the mounting shell 32, the top of the outer wall of the top rod 366 is symmetrically fixedly connected with a sliding block 368, the outer wall of the fixing sleeve 365 is provided with a sliding hole 369, the outer wall of the sliding block 368 is slidingly sleeved with the inner cavity of the sliding hole 369, and the sliding block 368 can avoid the separation of the top rod 366 and the fixing sleeve 365.

[0049] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A replaceable tip surgical electrode, comprising an electrode tip (1) and a power cord (2); characterized in that An installation assembly (3) is arranged between the electrode tip (1) and the power cord (2), and the installation assembly (3) comprises: An installation plate (31) fixedly installed at the top end of the electrode tip (1); An installation shell (32) with an outer wall connected to the power cord (2); A docking plate (33) fixedly connected to the top of the installation plate (31) and slidingly sleeved in the installation shell (32); An electrical connection assembly (34) arranged between the installation shell (32) and the docking plate (33), and the electrode tip (1) is electrically connected to the power cord (2) through the electrical connection assembly (34); A clamping assembly (35) arranged between the docking plate (33) and the installation shell (32); A tool withdrawal assembly (36) arranged in the installation shell (32), and the tool withdrawal assembly (36) is linked with the clamping assembly (35) and the installation plate (31).

2. The replaceable tip surgical electrode of claim 1, wherein, The electrical connection assembly (34) comprises: A conductive spring (341) clamped in the installation shell (32), and the conductive spring (341) is electrically connected to the power cord (2); An electrical connection block (342) fixedly embedded on one side of the docking plate (33), one side of the electrical connection block (342) elastically extruded and fitted with the conductive spring (341), and the electrical connection block (342) is electrically connected to the electrode tip (1).

3. The replaceable tip surgical electrode of claim 1, wherein, The clamping assembly (35) comprises: A connecting plate (351) horizontally slidingly arranged in the installation shell (32); A clamping block (352) fixedly connected to one side of the connecting plate (351) facing the docking plate (33), and one side of the docking plate (33) is provided with a clamping groove matched with the clamping block (352).

4. The replaceable tip surgical electrode of claim 3, wherein, The clamping assembly (35) further comprises: A first guide rod (354) fixedly connected to the inside of the installation shell (32), and the outer wall of the first guide rod (354) is slidingly inserted into the connecting plate (351); A limiting spring (355) slidingly sleeved on the outer wall of the first guide rod (354), and the end of the limiting spring (355) is extruded and fitted with the connecting plate (351).

5. The replaceable tip surgical electrode of claim 4, wherein, The clamping assembly (35) further comprises: A connecting piece (353) fixedly connected to the top of the connecting plate (351) and linked with the tool withdrawal assembly (36); A second guide rod (356) fixedly connected to the inside of the installation shell (32), and the outer wall of the second guide rod (356) is slidingly inserted into the connecting piece (353).

6. The replaceable tip surgical electrode of claim 5, wherein, The tool withdrawal assembly (36) comprises: An unlocking plate (361) is slidingly sleeved in the inside of the mounting shell (32), and a bottom of the unlocking plate (361) is symmetrically provided with a guide hole (362) matched with the connecting piece (353); A fixing rod (363) and a button (364) are fixedly connected, a bottom of the fixing rod (363) is fixedly connected with the unlocking plate (361), and a top of the fixing rod (363) penetrates through the mounting shell (32) and is fixedly connected with the button (364).

7. The replaceable-tip surgical electrode of claim 6, wherein, The tool withdrawal assembly (36) further comprises: A fixing sleeve (365) is fixedly connected with the unlocking plate (361) at a top thereof; A top rod (366) is slidingly sleeved with the fixing sleeve (365) at an outer wall thereof, and a bottom of the top rod (366) is extruded and attached to the mounting plate (31); A supporting spring (367) is slidingly sleeved in the inside of the fixing sleeve (365), and ends of the supporting spring (367) are respectively extruded and attached to the top rod (366) and the unlocking plate (361).

8. The replaceable tip surgical electrode of claim 7, wherein, A slider (368) is symmetrically fixedly connected at a top of the outer wall of the top rod (366), an outer wall of the fixing sleeve (365) is provided with a sliding hole (369), and an outer wall of the slider (368) is slidingly sleeved with an inner cavity of the sliding hole (369).

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