CN105943037B - A kind of the checking with EMG method device and its operating method of combination laparoscope - Google Patents
A kind of the checking with EMG method device and its operating method of combination laparoscope Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/389—Electromyography [EMG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/31—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
- A61B1/3132—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes for laparoscopy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/296—Bioelectric electrodes therefor specially adapted for particular uses for electromyography [EMG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
- A61B5/4222—Evaluating particular parts, e.g. particular organs
- A61B5/4255—Intestines, colon or appendix
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6848—Needles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
- A61B5/6873—Intestine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/12—Manufacturing methods specially adapted for producing sensors for in-vivo measurements
- A61B2562/125—Manufacturing methods specially adapted for producing sensors for in-vivo measurements characterised by the manufacture of electrodes
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Abstract
The invention discloses a kind of checking with EMG method device of combination laparoscope and its operating methods, including the telescope that works, laparoscope and checking with EMG method electrode, the telescope that wherein works is internally provided with the imaging band and electrode channel being mutually parallel, laparoscope is set in imaging band, checking with EMG method electrode is set in electrode channel, the checking with EMG method electrode includes medical trocar head, the inner sleeve and outer tube of electrode and the different and mutual intussusception of two internal diameters, medical trocar head is fixed on one end of outer tube, electrode is fixed on inner sleeve, the electrode of inner sleeve side imports in medical trocar head and the needle tip flush of the front end and medical trocar head of the electrode, the electrode tail end of the inner sleeve other side is connected by conducting wire with Biological Signal Collecting System.The operation wound of the present invention is small, can effectively mitigate patient's pain, and post-operative recovery is very fast, reduces because disturbing factor caused by operation, keeps experimental result more convincing.
Description
Technical field
The invention belongs to alimentary canal detection medical applications technical fields, and in particular to a kind of myoelectricity inspection of combination laparoscope
Survey device and its operating method.
Background technology
The myoelectricity action potential of colon results from slow wave, consistent with smooth muscle contraction, is the master of pushability movement
Power is wanted, thus colon myoelectrical activity can reflect colonic activity situation indirectly as an objective electrophysiological index.Slow wave is
A kind of periodical electrical activity of opposite rule, controls the contraction rhythm and pace of moving things of enteron aisle, exists always whether no matter contraction.Currently, flesh
The record of electrical activity is one of the important method of colonic activity research.In certain experiments, because containing very in normal bowel mucous membrane
More blood vessels take on a red color under mirror, are not easy to differentiate when micro bleeding, and the generation of some disease of digestive tracts can be with Intestinal myoelectric activity
Change, therefore by the detection of electromyogram, the activity for making a definite diagnosis and identifying intestinal tube of disease can be helped.Digestive system is common
Melanosis coli is a kind of benign large intestine disease of the non-inflammation characterized by colorectal mucosa pigmentation, passes through the inspection of laparoscope
Its color, the lesion appearance of morphological variation can be found by looking into.It is found through correlative study, Melanosis coli can also cause constipation symptom
Occur, the generation of constipation can cause the variation of Intestinal myoelectric activity, laparoscope and checking with EMG method to have in antidiastole certain
Meaning.In addition, checking with EMG method can also help to differentiate the activity of intestinal tube, assisted laparoscope inspection.Laparoscope progress is mostly used at present
The visual inspection of digestive system, the precedent for still not combining laparoscope with myenteron electro-detection.
Common stomach and intestine myoelectricity mostly uses tin electrode with electrode, and the material is soft for tin electrode, not hard enough, and fusing point is relatively low, breaks
It is difficult welding after line.In addition, more auxiliary tools such as the insulation tubes such as polyvinyl chloride or connection medical suture needle that can cover are subject on electrode
Guiding, insulation tube and medical suture needle, which can generate intestinal tube wall destructive larger irreversibility, to be influenced, and causes to go out on electromyogram
Existing larger interference wave, therefore ideal experimental result cannot be obtained.
Invention content
The technical problem to be solved by the present invention is to provide a kind of simple structure and reasonable design and detection is accurately in conjunction with abdominal cavity
The checking with EMG method device of mirror.
The present invention adopts the following technical scheme that solve above-mentioned technical problem, a kind of checking with EMG method dress of combination laparoscope
It sets, it is characterised in that including work telescope, laparoscope and checking with EMG method electrode, wherein being internally provided with for the telescope that works is mutually parallel
Imaging band and electrode channel, laparoscope is set in imaging band, and checking with EMG method electrode is set in electrode channel, the flesh
Electro-detection electrode includes the inner sleeve and outer tube of medical trocar head, electrode and the different and mutual intussusception of two internal diameters, this is interior
The material of casing and outer tube is epoxy resin, and medical trocar head is fixed on one end of outer tube by medical adhesive, the doctor
It is ambroin with the pintle material of cannula needle, the outside of forward metal needle tubing is electroplate with insulating layer, and electrode is fixed on interior
On casing, the electrode of inner sleeve side imports in medical trocar head and the needle point of the front end and medical trocar head of the electrode
Flush, the electrode tail end of the inner sleeve other side is held to be connected with Biological Signal Collecting System by conducting wire.
Further preferably, a diameter of 5-11mm of the work telescope, length 20-50cm, the diameter of imaging band
For 3.5-7.7mm, a diameter of 1.5-3.3mm of electrode channel.
Further preferably, the electrode is epoxy resin/graphite alkene/Nanometer Copper composite electrode, silver electrode, silver-
Silver chloride electrode, silver-nickel electrode or copper alloy silver-coated electrode, for by insulating processing electrode both ends need by
Exposed processing makes its both ends all have electric conductivity, and the exposed length at electrode both ends is respectively 0.5-5cm.
Further preferably, the specific preparation process of epoxy resin/graphite alkene/Nanometer Copper composite electrode is：
Ultrasound obtains graphene oxide colloidal sol after graphene oxide is mixed with distilled water；Graphene oxide colloidal sol and copper sulphate is water-soluble
Liquid is placed in reaction vessel in room temperature sonic oscillation 1h, is subsequently placed in 70 DEG C of water-bath and is sequentially added water under stirring conditions
Hydrazine aqueous solution and sodium hydrate aqueous solution are closed, the graphite that room temperature obtains loading copper nanoparticle is down to naturally after persistently stirring 45min
Alkene；Epoxy resin/graphite alkene/Nanometer Copper mixing will be obtained in the graphene dispersion for loading copper nanoparticle to epoxy resin E-51
Object；Epoxy resin/graphite alkene/nanometer copper mixture is cured to obtain epoxy resin/graphite using curing agent polyamide 6 51
Alkene/nanometer carbon/carbon-copper composite material, the epoxy resin/graphite alkene/nanometer carbon/carbon-copper composite material handle to obtain electrode, insulating through insulating
The electrode both ends of processing need to make its both ends all have electric conductivity by exposed processing.
Further preferably, the electrode diameter be 0.5mm, a diameter of 1mm of inner sleeve, a diameter of 3mm of outer tube,
The length of the inner sleeve and outer tube is all higher than the length of work telescope.
Further preferably, the Biological Signal Collecting System is PowerLab data acquisition and analysis systems.
The operating method of the checking with EMG method device of combination laparoscope of the present invention, it is characterised in that the specific steps are：
Laparoscope is placed in the imaging band of work telescope, checking with EMG method electrode is placed in the electrode channel of work telescope；Manufacture
Work telescope is sent into alimentary canal to be checked, when reaching look-out station, by laparoscope by artificial pneumoperitoneum according to conventional methods
Target area is chosen in guiding；The end for being detained checking with EMG method electrode jacket pipe in vitro is touched, medical trocar head is made to penetrate
Intestinal wall adjusts the piercing of medical trocar head under the auxiliary of laparoscope until sarcoplasm layer according to medical trocar head end scale
Depth；The fixed checking with EMG method electrode inner sleeve pipe end being detained in vitro does not move, light outward to draw checking with EMG method electrode jacket pipe
End, so that the electrode front end that medical trocar head withdraws from an organization and is fixed on checking with EMG method electrode inner sleeve is trapped in tissue
In, electromyogram is measured by bio signal sampling system.
The present invention has the advantages that compared with prior art：
Electrode is made using epoxy resin/graphite alkene/nanometer carbon/carbon-copper composite material in the present invention, and epoxy resin has excellent
Electrical insulating property, resistant to chemical media and cementability, graphene have excellent electric conductivity and biocompatibility, it be the mankind
The highest substance of intensity known is evenly dispersed in the toughness that can increase epoxy resin in epoxy resin, Nanometer Copper tool
There are good electric conductivity and lower electron mobility, asphalt mixtures modified by epoxy resin can be improved well by being evenly dispersed in epoxy resin
The electric conductivity of fat.Epoxy resin/graphite alkene/nanometer carbon/carbon-copper composite material in summary advantage, be made into electrode be provided simultaneously with it is excellent
Good electric conductivity and excellent mechanical performance assist electrode being placed in surveyed tissue using medical trocar head, destructiveness and
Interference is smaller, and myenteron electricity is effectively combined with laparoscope, realizes microscopic observation and two indexs of checking with EMG method
Effective combination, this will be a strategic structural in checking with EMG method electrode investigative technique evolution.It can in animal experiment
For diagnosing Animal diseases, such as experiment proves that can put into clinic will also will produce good economic benefit and social benefit.
The operation wound of the present invention is small, can effectively mitigate patient's pain, and post-operative recovery is very fast, reduces because operation causes
Disturbing factor, keep experimental result more convincing.
Description of the drawings
Fig. 1 is the lateral schematic diagram of telescope of working in the present invention；
Fig. 2 is the longitudinal schematic diagram of telescope of working in the present invention；
Fig. 3 is the schematic diagram of checking with EMG method electrode in the present invention;
Fig. 4 is the structural schematic diagram of medical cannula needle in the present invention.
In figure：1, work telescope, and 2, imaging band, 3, electrode channel, 4, medical trocar head, 5, electrode, 6, inner sleeve,
7, outer tube, 8, PowerLab data acquisition and analysis systems, 9, metal needle tubing, 10, pintle.
Specific implementation mode
In order to more fully understand the above-mentioned technical proposal of the present invention, the present invention is done with reference to the accompanying drawings and examples
It is described in further detail.
Embodiment
The subjects of the present embodiment are rabbit.
The preparation of epoxy resin/graphite alkene/Nanometer Copper composite electrode
1, graphene oxide colloidal sol is prepared：Graphene oxide is prepared with traditional Hummers methods, by graphene oxide and steaming
Ultrasound obtains graphene oxide colloidal sol after distilled water mixing, a concentration of 0.01g/mL of graphene oxide in graphene oxide colloidal sol；
2, graphene oxide-loaded nano copper powder：By CuSO4·5H2Ultrasound is added in distilled water to being completely dissolved to obtain sulphur in O
Sour copper liquor pours into graphene oxide colloidal sol and copper sulfate solution prepared by step 1 in the there-necked flask of 250mL, room temperature
Sonic oscillation 1h is then placed under conditions of low whipping speed in 70 DEG C of water-bath is 300r/min and sequentially adds hydrazine hydrate water
Solution and sodium hydrate aqueous solution continue to stir 45min under conditions of low whipping speed is 300r/min in 70 DEG C of water-bath
Be down to naturally afterwards room temperature obtain load copper nanoparticle graphene, a concentration of 0.0267g/mL of the copper sulfate solution,
The volumetric concentration of a concentration of 0.05g/mL of sodium hydrate aqueous solution, hydrazine hydrate aqueous solution are 61.54%, graphene oxide colloidal sol
Volume ratio with copper sulfate solution is 1:2, the volume ratio of hydrazine hydrate aqueous solution and copper sulfate solution is 1:2.3, hydroxide
The volume ratio of sodium water solution and copper sulfate solution is 1:3；
3, the dispersion of the graphene of load copper nanoparticle in the epoxy：The load copper nanoparticle that step 2 is obtained
Graphene is added in epoxy resin, and disperseing 5-7min under conditions of rotating speed is 7000r/min with mulser obtains asphalt mixtures modified by epoxy resin
Fat/graphene/nanometer copper mixture, the epoxy resin are E-51, load the graphene and epoxy resin of copper nanoparticle
Mass ratio is 1:10；
4, cure：High vacuum silicone grease is coated in the inner surface of Teflon mould, inner surface is then coated with high vacuum
Epoxy resin/graphite alkene/nanometer the copper mixture and curing agent that the Teflon mould of silicone grease, step 3 obtain are respectively put into
To 2h is kept the temperature in 60 DEG C of baking ovens, then by preheated epoxy resin/graphite alkene/nanometer copper mixture and preheated solidification
Stirring 4-5min obtains epoxy resin/graphite alkene/Nanometer Copper prepolymer under conditions of rotating speed is 100r/min after agent mixing, will
Epoxy resin/graphite alkene/Nanometer Copper prepolymer pours into the Teflon mould that preheated inner surface is coated with high vacuum silicone grease
In, 2h is kept the temperature under conditions of temperature is 70 DEG C, then be warming up to 125 DEG C and keep the temperature 2.5h, be continuously heating to 150 DEG C and keep the temperature
Then 1h is down to room temperature and obtains epoxy resin/graphite alkene/nanometer carbon/carbon-copper composite material naturally, the epoxy resin/graphite alkene/nanometer
Carbon/carbon-copper composite material handles to obtain electrode through insulating, and the electrode both ends of insulating processing need to keep its both ends equal by exposed processing
Conductive, the curing agent is polyamide 6 51, and the mass ratio of curing agent and epoxy resin used in step 3 is 1:2.
Referring to Fig. 1-2, the work telescope 1 is internally provided with the imaging band 2 being mutually parallel and electrode channel 3, work
Make a diameter of 5-11mm of telescope 1, length 20-50cm, a diameter of 3.5-7.7mm of imaging band 2, electrode channel 3 it is straight
Diameter is 1.5-3.3mm.
Referring to Fig. 3, the checking with EMG method electrode includes that medical trocar head 4, electrode 5 and two internal diameters are different and mutual
The material of the inner sleeve 6 and outer tube 7 of intussusception, the inner sleeve 6 and outer tube 7 is epoxy resin, and medical trocar head 4 passes through
Biogum is fixed on one end of outer tube 7, and 10 material of pintle of the medical trocar head 4 is ambroin, forward metal needle
The outside of pipe 9 is electroplate with insulating layer, and electrode 5 is fixed on inner sleeve 6, and the both ends of the electrode 5 make its both ends by exposed processing
All have electric conductivity, the electrode 5 of 6 side of inner sleeve imports in medical trocar head 4 and the front end of the electrode 5 and medical casing
5 tail end of electrode of the needle tip flush of syringe needle 4,6 other side of inner sleeve passes through conducting wire and PowerLab data collection and analysis system
System 8 is connected.
In use, by the imaging band 2 of laparoscope merging work telescope 1, checking with EMG method electrode is placed in work
Make in the electrode channel 3 of telescope 1；Work telescope 1 is sent into alimentary canal to be checked by manufacture of intraocular pneumoperitoneum according to conventional methods, when
When reaching look-out station, target area is chosen by the guiding of laparoscope；Touch the checking with EMG method electrode jacket being detained in vitro
The end of pipe 7 makes medical trocar head 4 penetrate intestinal wall up to sarcoplasm layer, according to medical trocar head under the auxiliary of laparoscope
On scale adjustment medical trocar head 4 piercing depth；Fixed 6 end of checking with EMG method electrode inner sleeve being detained in vitro is not
Mobile, the light end for drawing checking with EMG method electrode jacket pipe 7, makes medical trocar head 4 withdraw from an organization and is fixed on myoelectricity inspection outward
The electrode front end surveyed on electrode inner sleeve 6 is detained in the tissue, and myoelectricity is measured by PowerLab data acquisition and analysis systems 8
Figure.
The above embodiments and description only illustrate the principle of the present invention, main features and advantages, is not taking off
From under the range of the principle of the invention, various changes and improvements may be made to the invention, these changes and improvements each fall within guarantor of the present invention
In the range of shield.
Claims (6)
1. a kind of checking with EMG method device of combination laparoscope, it is characterised in that including work telescope, laparoscope and checking with EMG method electricity
Pole, wherein the telescope that works is internally provided with the imaging band and electrode channel being mutually parallel, laparoscope is set in imaging band,
Checking with EMG method electrode is set in electrode channel, the checking with EMG method electrode include medical trocar head, electrode and two internal diameters not
The material of same and mutually intussusception inner sleeve and outer tube, the inner sleeve and outer tube is epoxy resin, medical trocar head
One end of outer tube is fixed on by biogum, the pintle material of the medical trocar head is ambroin, pintle forward metal
The outside of needle tubing is electroplate with insulating layer, and electrode is fixed on inner sleeve, and the electrode front end on inner sleeve imports medical trocar head
In and the front end and medical trocar head of the electrode needle tip flush, inner sleeve top electrode tail end pass through conducting wire with biology
Signal acquiring system is connected.
2. the checking with EMG method device of combination laparoscope according to claim 1, it is characterised in that：The work telescope
A diameter of 5-11mm, length 20-50cm, a diameter of 3.5-7.7mm of imaging band, a diameter of 1.5- of electrode channel
3.3mm。
3. the checking with EMG method device of combination laparoscope according to claim 1, it is characterised in that：The electrode is epoxy
Resin-graphene-Nanometer Copper trielement composite material electrode, silver electrode, silver-silver chloride electrode, silver-nickel electrode or copper alloy
Silver-coated electrode needs the electrode both ends by insulating processing to make its both ends all have electric conductivity by exposed processing, electricity
The exposed length at pole both ends is respectively 0.5-5cm.
4. the checking with EMG method device of combination laparoscope according to claim 3, it is characterised in that the epoxy resin-stone
The specific preparation process of black alkene-Nanometer Copper trielement composite material electrode is：It is ultrasonic after graphene oxide is mixed with distilled water to obtain
To graphene oxide colloidal sol；Graphene oxide colloidal sol and copper sulfate solution are placed in reaction vessel in room temperature sonic oscillation
1h is subsequently placed in 70 DEG C of water-bath and sequentially adds hydrazine hydrate aqueous solution and sodium hydrate aqueous solution under stirring conditions, holds
It is down to room temperature naturally after continuous stirring 45min and obtains the graphene of load copper nanoparticle；The graphene dispersion of copper nanoparticle will be loaded
To obtaining epoxy resin-graphene-Nanometer Copper ternary mixture in epoxy resin E-51；Using curing agent polyamide 6 51 to ring
Oxygen resin-graphene-Nanometer Copper ternary mixture is cured to obtain epoxy resin-graphene-Nanometer Copper trielement composite material,
Epoxy resin-graphene-Nanometer Copper the trielement composite material handles to obtain electrode, the electrode both ends of insulating processing through insulating
It needs to make its both ends all have electric conductivity by exposed processing.
5. the checking with EMG method device of combination laparoscope according to claim 1, it is characterised in that：The electrode diameter is
The length of 0.5mm, a diameter of 1mm of inner sleeve, a diameter of 3mm of outer tube, the inner sleeve and outer tube is all higher than working lens
The length of pipe.
6. the checking with EMG method device of combination laparoscope according to claim 1, it is characterised in that：The bio signal is adopted
Collecting system is PowerLab data acquisition and analysis systems.
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