Plasma operation electrode cutting in-vitro tissue temperature test platform

Abstract

The utility model discloses a plasma operation electrode cutting in-vitro tissue temperature test platform, which comprises a plasma host, a plasma operation electrode, a temperature measurement console, a temperature recorder, a time synchronization controller and a computer, and is characterized in that the plasma operation electrode is connected with an operation electrode interface of the plasma host through a lead; according to the test platform, the plasma operation electrode can be conveniently clamped and fixed by arranging the adjusting sliding block, the annular clamping frame and the anti-skid layer, and the spatial position of the plasma operation electrode clamped and fixed by the electrode clamping mechanism can be conveniently and accurately adjusted in the x direction, the y direction and the z direction by arranging the supporting column, the connecting sleeve, the connecting block, the positioning bolt and the connecting rod; the depth of the plasma operation electrode tool bit fixed on the electrode clamping mechanism inserted into the in-vitro tissue and the distance between the plasma operation electrode tool bit and the temperature measuring probe can be conveniently controlled, so that temperature data of different depths in the in-vitro tissue can be conveniently measured, and the temperature of the in-vitro tissue can be conveniently and accurately measured.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument test equipment technical field, concretely is a kind of testing platform of plasma surgical electrode cutting ex vivo tissue temperature. BACKGROUND

[0002] Plasma surgical electrode has been widely applied to electrosurgical operation, with the dual action of cutting and coagulation, the principle that plasma technology realizes cutting and coagulation is that high-frequency high-voltage pulse is generated by plasma host computer, is conducted to electrode blade tip at electrode port, and the front end of blade head and the cut tissue form local strong pressure ionization, produce plasma avalanche effect (the ion component of plasma mainly has oxygen ion OH-, hydrogen ion H+, Na+, Cl- and the like) and electron transition. Plasma is accelerated under strong electric field, obtains enough kinetic energy, and ion kinetic energy impacts tissue cells, causes cell molecular bond to break, reaches the effect of tissue cutting and hemostasis, and the temperature test of ex vivo tissue cut by surgical electrode is the important basis for the cutting temperature of new surgical electrode, the detailed operation scheme before operation. The current ex vivo tissue cutting temperature measurement is mainly to measure the temperature of ex vivo tissue surface, and the temperature data of different depths inside ex vivo tissue cannot be obtained. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a testing platform for measuring the temperature of ex vivo tissue cut by plasma surgical electrode, facilitate the measurement of temperature data of different depths inside ex vivo tissue, accurately measure the temperature of ex vivo tissue, and effectively solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A testing platform for measuring the temperature of ex vivo tissue cut by plasma surgical electrode, comprising a plasma host computer, a plasma surgical electrode, a temperature measurement console, a temperature recorder, a time synchronization controller and a computer, the plasma surgical electrode is connected to the surgical electrode interface of the plasma host computer through a wire, the time synchronization controller is connected to the plasma host computer and the temperature recorder respectively, and the temperature recorder is connected to the computer;

[0006] The temperature measurement console comprises an experimental support, a coordinate adjustment mechanism, a negative plate, a temperature measurement probe and an electrode clamping mechanism, the negative plate is horizontally fixed to the upper surface of the experimental support, a plurality of temperature measurement holes are formed in the surface of the negative plate, the temperature measurement probe is installed in the temperature measurement hole, the temperature measurement probe is connected to the temperature recorder through a thermocouple wire, the negative plate is connected to the neutral electrode interface of the plasma host computer through a neutral electrode connecting wire, the plasma surgical electrode is installed in the electrode clamping mechanism, and the electrode clamping mechanism is slidingly connected to the coordinate adjustment mechanism.

[0007] As a preferred technical scheme of the utility model, the coordinate adjustment mechanism comprises a support column arranged on the upper surface of the experiment support, a connecting sleeve is arranged on the upper part of the outer circumferential surface of the support column, a connecting block is connected to the outer circumferential surface of the connecting sleeve, and a connecting rod is slidably connected to the fixed sliding hole in the side surface of the connecting block.

[0008] As a preferred technical scheme of the utility model, a threaded hole is formed in the circumferential surface of the connecting sleeve, and a positioning bolt matched with the support column is arranged in the threaded hole.

[0009] As a preferred technical scheme of the utility model, the electrode clamping mechanism comprises an adjusting sliding block slidably connected to the fixed channel in the side surface of the connecting rod, an annular clamping frame is connected to the end of the adjusting sliding block, and an antiskid layer is connected to the inner side surface of the annular clamping frame.

[0010] As a preferred technical scheme of the utility model, the plasma surgical electrode is fixed in the annular clamping frame.

[0011] As a preferred technical scheme of the utility model, the temperature recorder is connected to the computer through an RS232 interface.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The test platform for cutting the temperature of an isolated tissue of the plasma surgical electrode is convenient for clamping and fixing the plasma surgical electrode through the adjusting sliding block, the annular clamping frame and the antiskid layer, is convenient for accurately adjusting the spatial position of the plasma surgical electrode clamped and fixed by the electrode clamping mechanism in x, y and z directions through the support column, the connecting sleeve, the connecting block, the positioning bolt and the connecting rod, is convenient for controlling the depth of the plasma surgical electrode cutter head inserted into the isolated tissue and the distance between the plasma surgical electrode cutter head and the temperature measuring probe, thereby being convenient for measuring the temperature data at different depths in the isolated tissue and being convenient for accurately measuring the temperature of the isolated tissue. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] Figure 2 It is a structural schematic view of the temperature measuring control console of the utility model.

[0016] Figure 3 It is a structural schematic view of the coordinate adjustment mechanism of the utility model.

[0017] Figure 4 It is a structural schematic view of the temperature measuring probe installation details of the utility model.

[0018] Figure 5 The negative plate detail structure schematic diagram of the utility model.

[0019] In the drawing: plasma host 1, plasma operation electrode 2, temperature measurement console 3, experimental support 31, negative plate 32, temperature measurement hole 321, temperature measurement probe 33, electrode clamping mechanism 34, adjusting sliding block 341, annular clamping frame 342, antiskid layer 343, coordinate adjustment mechanism 35, support column 351, connecting sleeve 352, connecting block 353, positioning bolt 354, connecting rod 355, temperature recorder 4, time synchronization controller 5, computer 6, ex vivo tissue 7. DETAILED DESCRIPTION

[0020] 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 the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0022] A test platform for cutting ex vivo tissue temperature of plasma operation electrode, including plasma host 1, plasma operation electrode 2, temperature measurement console 3, temperature recorder 4, time synchronization controller 5 and computer 6, plasma operation electrode 2 is connected through wire with the operation electrode interface of plasma host 1, time synchronization controller 5 is connected with plasma host 1 and temperature recorder 4 respectively, temperature recorder 4 is connected with computer 6;

[0023] Time synchronization controller 5 is connected with plasma host 1, and then controls the start and stop energy output of plasma host 1, and time synchronization controller 5 is connected with temperature recorder 4 simultaneously, and when starting plasma operation electrode 2, output 3.3V high level to one way data acquisition channel of temperature recorder 4, and temperature recorder 4 automatically records the start time of plasma operation electrode 2.

[0024] The time synchronization controller 5 can set the time for the plasma surgical electrode 2 to keep after starting. The time synchronization controller 5 sets the time for the plasma surgical electrode 2 to keep after starting as 3 seconds. After the end of the keeping time, the time synchronization controller 5 outputs 0V low level to one data acquisition channel of the temperature recorder 4. The temperature recorder 4 automatically records the stop output time of the plasma surgical electrode 2. The temperature recorder 4 is connected with the computer 6 through the RS232 interface. The test parameters are set on the computer 6 by using the upper computer software of the temperature recorder 4. The measured temperature data are collected and stored. The temperature data of each temperature measuring probe 33 can be observed in real time. The stored temperature data are processed and analyzed by using the Microsoft Excel software. The temperature of the isolated tissue 7 at each time point and the relationship between the temperature of the isolated tissue 7 and the starting time of the plasma surgical electrode 2 and the different distances between the isolated tissue 7 and the bit of the plasma surgical electrode 2 can be obtained.

[0025] The temperature measurement console 3 includes an experimental support 31, a coordinate adjustment mechanism 35, a negative plate 32, temperature measuring probes 33 and an electrode clamping mechanism 34. The negative plate 32 is horizontally fixed on the upper surface of the experimental support 31. A plurality of temperature measuring holes 321 are formed on the surface of the negative plate 32. The temperature measuring holes 321 are arranged in a matrix. The distance d between two adjacent temperature measuring holes 321 is 1mm. There are 5 rows and 5 columns, and 25 temperature measuring probes 33 are fixed on the negative plate 32 and pass through the temperature measuring holes 321 from below. The temperature measuring probes 33 are connected with the temperature recorder 4 through thermocouple wires. The negative plate 32 is connected with the neutral electrode interface of the plasma main machine 1 through a neutral electrode connecting wire, and then forms a conductive loop with the plasma surgical electrode 2. The plasma surgical electrode 2 is installed in the electrode clamping mechanism 34, and the electrode clamping mechanism 34 is slidingly connected with the coordinate adjustment mechanism 35.

[0026] The negative plate 32 is fixed on the experimental support 31, and the upper surface of the negative plate 32 is kept horizontal. The isolated tissue 7 is placed on the upper surface of the negative plate 32. The temperature measuring probes 33 pass through the temperature measuring holes 321 from below and are fixed on the negative plate 32. The number and distribution of the temperature measuring probes 33 are arranged according to the shape and size of the bit of the plasma surgical electrode 2 to be measured.

[0027] The plasma surgical electrode 2 is vertically inserted into the isolated tissue 7 on the negative plate 32 through the fixed electrode clamping mechanism 34. The plasma main machine 1 transmits energy to the isolated tissue 7 through the plasma surgical electrode 2.

[0028] The coordinate adjustment mechanism 35 includes a support column 351 arranged on the upper surface of the experimental support 31. A connecting sleeve 352 is arranged on the upper part of the outer surface of the support column 351. A connecting block 353 is connected with the outer surface of the connecting sleeve 352. A connecting rod 355 is slidingly connected with the fixed sliding hole in the side surface of the connecting block 353.

[0029] The circumferential surface of the connecting sleeve 352 is provided with a threaded hole, and a positioning bolt 354 cooperating with the supporting column 351 is installed in the threaded hole.

[0030] The supporting column 351 and the connecting rod 355 are both provided with scales, the connecting sleeve 352 can rotate and lift along the supporting column 351, and after adjustment, the connecting sleeve 352 is fixed by tightening the positioning bolt 354, the connecting rod 355 can slide horizontally along the fixed sliding hole on the side of the connecting block 353, so as to realize the movement of the plasma surgical electrode 2 fixed on the electrode clamping mechanism 34 in x, y and z directions, the spatial position of the plasma surgical electrode 2 on the electrode clamping mechanism 34 can be accurately adjusted, by adjusting the spatial position of the plasma surgical electrode 2 on the electrode clamping mechanism 34, the depth of the cutting head of the plasma surgical electrode 2 inserted into the isolated tissue 7 and the distance between the cutting head of the plasma surgical electrode 2 and the temperature probe 33 can be controlled, so as to measure the temperature of the isolated tissue 7 at different distances from the cutting head of the plasma surgical electrode 2.

[0031] The electrode clamping mechanism 34 comprises an adjusting sliding block 341 slidingly connected in the fixed channel on the side of the connecting rod 355, the end of the adjusting sliding block 341 is connected with a ring-shaped clamping frame 342, and the inner side of the ring-shaped clamping frame 342 is connected with an anti-skid layer 343.

[0032] The plasma surgical electrode 2 is fixed in the ring-shaped clamping frame 342.

[0033] The temperature recorder 4 is connected with the computer 6 through an RS232 interface, the test parameters are set on the computer 6 by using the upper computer software of the temperature recorder 4, the measured temperature data are collected and stored, and the sampling interval of the temperature recorder 4 is set as 0.2 seconds for continuous sampling.

[0034] The position of the plasma surgical electrode 2 in x, y and z directions is adjusted by the coordinate adjusting mechanism 35, the cutting head tip of the plasma surgical electrode 2 is controlled to be horizontally opposite to the temperature probe 33 at the center of the temperature probe matrix on the negative plate 32, and the distance t between the cutting head tip of the plasma surgical electrode 2 and the temperature probe 33 at the center of the temperature probe matrix on the negative plate 32 in the vertical direction is 0.2 mm.

[0035] The distance between the cutting head tip of the plasma surgical electrode 2 and the temperature probe 33 at the center of the temperature probe matrix in the vertical direction is respectively adjusted as 0.4 mm, 0.6 mm, 0.8 mm and 1.0 mm, and the temperature curves of the isolated tissue 7 at different distances from the cutting head of the plasma surgical electrode 2 are measured.

[0036] The temperature data stored are processed and analyzed by using Microsoft Excel software, so as to directly reflect the relationship between the temperature of the isolated tissue 7, the starting time of the plasma surgical electrode 2 and the different distances between the cutting head of the plasma surgical electrode 2.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A test platform for cutting ex vivo tissue temperature of a plasma surgical electrode, comprising a plasma host (1), a plasma surgical electrode (2), a temperature measurement console (3), a temperature recorder (4), a time synchronization controller (5) and a computer (6), characterized in that: The plasma surgical electrode (2) is connected with the surgical electrode interface of the plasma host (1) through a lead wire, the time synchronization controller (5) is connected with the plasma host (1) and the temperature recorder (4) respectively, and the temperature recorder (4) is connected with the computer (6); The temperature measurement console (3) comprises an experimental support (31), a coordinate adjustment mechanism (35), a negative plate (32), a temperature measurement probe (33) and an electrode clamping mechanism (34), the negative plate (32) is horizontally fixed on the upper surface of the experimental support (31), a plurality of temperature measurement holes (321) are formed in the surface of the negative plate (32), the temperature measurement probe (33) is installed in the temperature measurement hole (321), the temperature measurement probe (33) is connected with the temperature recorder (4) through a thermocouple wire, the negative plate (32) is connected with the neutral electrode interface of the plasma host (1) through a neutral electrode connecting wire, the plasma surgical electrode (2) is installed in the electrode clamping mechanism (34), and the electrode clamping mechanism (34) is slidingly connected to the coordinate adjustment mechanism (35).

2. The test platform for measuring the temperature of a tissue cut by a plasma surgical electrode according to claim 1, wherein: The coordinate adjustment mechanism (35) comprises a supporting column (351) arranged on the upper surface of the experimental support (31), a connecting sleeve (352) is arranged on the upper part of the outer circumferential surface of the supporting column (351), a connecting block (353) is connected to the outer circumferential surface of the connecting sleeve (352), and a connecting rod (355) is slidingly connected to the fixed sliding hole in the side surface of the connecting block (353).

3. The test platform for measuring the temperature of a tissue cut by a plasma surgical electrode according to claim 2, wherein: A threaded hole is formed in the circumferential surface of the connecting sleeve (352), and a positioning bolt (354) matched with the supporting column (351) is arranged in the threaded hole.

4. The test platform for measuring the temperature of a tissue cut by a plasma surgical electrode according to claim 2, wherein: The electrode clamping mechanism (34) comprises an adjusting sliding block (341) slidingly connected to the fixed channel in the side surface of the connecting rod (355), an annular clamping frame (342) is connected to the end of the adjusting sliding block (341), and an antiskid layer (343) is connected to the inner side surface of the annular clamping frame (342).

5. The test platform for measuring the temperature of a tissue cut by a plasma surgical electrode according to claim 4, wherein: The plasma surgical electrode (2) is fixed in the annular clamping frame (342).

6. The test platform for measuring the temperature of a tissue cut by a plasma surgical electrode of claim 1, wherein: The temperature recorder (4) is connected with the computer (6) through an RS232 interface.

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