CN110279462A - A kind of jaw type electric heating melting welding knife - Google Patents
A kind of jaw type electric heating melting welding knife Download PDFInfo
- Publication number
- CN110279462A CN110279462A CN201910291420.2A CN201910291420A CN110279462A CN 110279462 A CN110279462 A CN 110279462A CN 201910291420 A CN201910291420 A CN 201910291420A CN 110279462 A CN110279462 A CN 110279462A
- Authority
- CN
- China
- Prior art keywords
- clamp
- working end
- melting welding
- conducting wire
- working
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002844 melting Methods 0.000 title claims abstract description 47
- 230000008018 melting Effects 0.000 title claims abstract description 47
- 238000003466 welding Methods 0.000 title claims abstract description 45
- 238000005485 electric heating Methods 0.000 title claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 239000012774 insulation material Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 7
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004809 Teflon Substances 0.000 claims description 6
- 229920006362 Teflon® Polymers 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 229910001120 nichrome Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 25
- 210000004204 blood vessel Anatomy 0.000 abstract description 17
- 238000007789 sealing Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 210000001519 tissue Anatomy 0.000 description 59
- 210000001847 jaw Anatomy 0.000 description 32
- 238000000034 method Methods 0.000 description 9
- 238000005345 coagulation Methods 0.000 description 8
- 230000015271 coagulation Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000001356 surgical procedure Methods 0.000 description 8
- 230000003685 thermal hair damage Effects 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000000025 haemostatic effect Effects 0.000 description 6
- 230000023597 hemostasis Effects 0.000 description 5
- 230000002439 hemostatic effect Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 108010033040 Histones Proteins 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 210000004400 mucous membrane Anatomy 0.000 description 3
- 210000002741 palatine tonsil Anatomy 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 238000002271 resection Methods 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 210000003800 pharynx Anatomy 0.000 description 2
- 210000002321 radial artery Anatomy 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 210000005181 root of the tongue Anatomy 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 210000002396 uvula Anatomy 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 241000270728 Alligator Species 0.000 description 1
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- WESWKIRSMKBCAJ-UHFFFAOYSA-N [F].[Fe] Chemical compound [F].[Fe] WESWKIRSMKBCAJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 210000004727 amygdala Anatomy 0.000 description 1
- 238000001949 anaesthesia Methods 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000009455 aseptic packaging Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000002316 cosmetic surgery Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 238000002682 general surgery Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- YTCQFLFGFXZUSN-BAQGIRSFSA-N microline Chemical compound OC12OC3(C)COC2(O)C(C(/Cl)=C/C)=CC(=O)C21C3C2 YTCQFLFGFXZUSN-BAQGIRSFSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 210000003254 palate Anatomy 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 210000001584 soft palate Anatomy 0.000 description 1
- 230000000659 thermocoagulation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
- A61B18/082—Probes or electrodes therefor
- A61B18/085—Forceps, scissors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
- A61B18/10—Power sources therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00619—Welding
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
Belong to electric heating melting weldering sealing blood vessels and cuts the electrosurgery unit of tissue, it is made of the first working end of clamp, the second working end of corresponding clamp, articulated section, the first clamp handle, the second clamp handle, the first finger ring, the second finger ring and the power supply and circuit that are equipped with resistive heater, resistive heater section is triangular in shape, semicircle or round, proximal end is connect with the metal proximal of the first working end of clamp, is distally turned to the back side in the distal end of the first working end of clamp and is connect with low-impedance conducting wire.Power switch and dc power interface are equipped at first clamp handle and the first finger ring, the anode of dc power interface is electrically connected with conducting wire, the cathode of dc power interface is electrically connected by power switch with the metal proximal of the first working end of clamp, power switch and dc power interface are equipped with indicator light and buzzer, with prompt energization and working condition.Jaw type electric heating melting welding knife improves operated vessels closing and tissue cutting effect, light, flexible, safe, practical.
Description
Technical field
The invention belongs to electrosurgery units, especially belong to electric heating melting weldering sealing blood vessels and cut the operation device of tissue.
Background technique
Cutting and hemostasis are the important steps of surgical operation.The cutting method and hemostatic technique of modern medicine are numerous, but still
It is not able to satisfy clinical demand.For example electrosurgical techniques are exactly technically to develop from cryoprobe, it is therefore an objective to improve efficiency, reduce wound
Wound.The most common equipment of electrosurgery is high-frequency monopolar electric knife and bipolar coagulation forceps, and high frequency high-density electric current is allowed to contact by electrode
Operative site, make tissue generate high-temperature evaporation cutting and thermocoagulation hemostasis.Single-pole electric knife good cutting effect but haemostatic effect is not
It is good, and application electric spark (high-frequency high-voltage current discharges between electrode and tissue generates high-temperature plasma arclight) high-temperature evaporation group
A large amount of pernicious gases can be generated and cause large range of thermal damage by knitting.The high-tension current of electric knife need by human body and with
The negative plate circuit of human contact is easy to cause patient's unexpected injury.Especially body has metal implant or artificial or electronic heart pacemaker
Patient disables electric knife.The high-frequency high-voltage current of bipolar coagulation passes through from the tissue between bipolar electrode, and generating high temperature makes tissue
Protein coagulation, haemostatic effect is good but cutting effect is bad, needs that Single-pole electric knife or cooler tool knife is cooperated to shear and cuts tissue.Bipolar electric
The bad control of solidifying current density, when power tunes up and contact area is smaller, can generate tissue hyperthermia carbonization, burn and with electricity
Very viscous company.When power is turned down and contact area is larger, then too small by the current density of tissue, being not achieved keeps histone solidifying
Gu due temperature, haemostatic effect are bad.Have many Technology designs both at home and abroad to improve bipolar coagulation, as recently
United States Patent (USP) US9861430, US9532829, US9610091, bipolar forceps make the tissue of institute's clamp generate heat using radio-frequency current
Vessel closure is solidified, in addition a kind of by mechanical device movement again includes the tubular cutter incised tissue on elongated shaft.It is another
United States Patent (USP) US9,833,285 use the first energy sealing blood vessels, the second energy cuts tissue in bipolar forceps.For clamping
Two corresponding working electrodes of folder tissue block can not usually generate uniform fuel factor within the organization, no matter the tissue of institute's clamp
Be it is thin or very thick, with the increase of RF energy density in organizing, temperature is increased, organize in moisture dehydration by evaporation, surface
Dry out, and additional resistance heating can be inhibited, reduces melting welding effect.When improving radio-frequency voltage and meeting tissue impedance's raising, meeting
Tissue local drying and charing occur for moment, and then may cause the closing of the blood vessel melting welding in tissue unevenly, and haemostatic effect is not
It is good.And radio-frequency current can also the horizontal proliferation since working electrode is by the tissue of clamp, cause clamp flanking tissue occur it is larger
Thermal damage, or generate by-pass current, serious adverse reaction and complication can be caused.Therefore, the brainstrust in this field is not still
It is disconnected to be dedicated to being currently used in melting welding sealing blood vessels and cut the Electrosurgical instrument of tissue and working end is improved.Using
Laser technology can solidify sealing blood vessels with side cutting group selvedge, but thermal damage is larger and expensive, to biggish vessel closure
It is bad compared with fruit.At present in clinic hysteroscope surgery using it is more be ultrasound knife technology, as United States Patent (USP) US9872699 and China are special
Benefit application CN200580034395 etc..In ultrasonic tissue heater, using very high frequency (ultrasonic wave) vibrating elements or
Stick is kept in contact with tissue, and fast vibration generates heat, is led to the protein coagulating and decomposition in tissue, is reached hemostasis and cutting
Purpose.Ultrasound knife technical effect is preferable, but thermal damage is bigger than normal, and equipment consumptive material is expensive, increases medical expense.
United States Patent (USP) US6626901, US6908463, US7211079, US7211080, US7588566, US8016820 are public
It opens a series of for closing and connecting or cutting the electric calorifie installation and method of tissue.This device is had proximally and distally by two
The opposite working cell composition of working face, wherein at least one working cell surface adds equipped with the resistive conductor for closing and cutting tissue
Thermal element, working cell surface also add high-temp.-resisting insulation sleeve.Working cell can be two expansibles of tweezers or pliers
Or clamping limb or the jaw portion of closure, for clamp tissue and heat.When tissue is heated above 100 degrees Celsius, jaw or tweezer
Tissue between son will be decomposed, thus by " cutting ".When tissue is heated to 50 to 90 degrees Celsius, tissue will be simple
Neighbouring tissue is arrived in ground " sealing " or " welding ".The device closes adjacent tissue come melting welding using the combination of heat and pressure,
And minimize collateral tissue thermal damage.Chinese utility model patent application CN200920102971 and CN200620047879 with
Above-mentioned patented technology is similar.United States Patent (USP) US7011656, US7329255, US7771424, US8100908, PCT Patent Application
WO9838935 and Chinese patent application CN200480040297 and CN200680014510, to above for closing and connecting
Or the electric calorifie installation of cutting tissue and the patent of method are improved.It is main improvement be the first clamping limb clamping face and
Increase a heat-conducting plate, improvement heating distribution between resistance wire.Another improvement is that resistance wire heating element is changed to metallized ceramic
Heating element.California, USA Starion Instruments company (now switching to MICROLINE SURGICAL company) produces this
Kind heat ligation closing cutter device is commonly called as thermal energy knife in Chinese market trade name electrical heat energy surgery systems.Thermal energy knife is working
When no current by tissue, only complete vessel sealing by direct thermal energy conduction and the pressure of cutter head and tissue cut
It cuts.Damage small, safety, can be used for it is general it is outer, secrete the open surgery of multiple departments such as outer, gynaecology, chest outer, ear nose larynx, angiocarpy and
Endoscope-assistant surgery can be carried out the operation such as cutting, hemostasis, big vessel sealing, be also particularly suitable for tonsil resection and radial artery and big hidden
Vein wins art (for heart pass).In this device, resistance wire heating element is two opposition in tweezers or pliers
One of working cell surface, the blood vessel of closing or cutting is between the opposite working cell of electrode.When resistance wire electrified regulation,
The tissue blood vessel adjacent with resistance wire is heated above 100 degrees Celsius of temperature, and histone structure will decompose, thus
This position carries out " cutting " to tissue blood vessel.On the both sides of this " cutting area ", it is Celsius that tissue only can be heated to 50 to 90
Degree.In this lower temperature, histone can be denaturalized, to be welded together.It therefore, will under the action of machinery
Two opposite working surfaces gently squeeze, tissue will " melting welding closing " together, thus in the two sides of central " cutting area "
Respectively form one " enclosed area ".In the two enclosed areas, the end of blood vessel will be closed, and quite carry out vascular ligation.
When heating on the resistance wire directly contacted with tissue, the watt that the temperature actually heated depends on resistance wire is close
Degree.In order to reach higher local temperature, high watt density is needed, it is especially (Celsius more than 100 in " cutting " temperature range
Degree).Due to being limited by small and light DC power supply, in order to reach sufficiently high resistance and generate high watt density, especially
For the cutting temperature of tissue, need using the lesser resistance wire of diameter.Tissue closing is carried out using minor diameter resistance wire and is cut
Cut one the disadvantage is that, the contact area very little between resistance wire and surrounding tissue, the heat from resistance wire is applied to only group
The pocket knitted, is unfavorable for the sealing blood vessels broken ends of fractured bone.Tissue heating surface (area) (HS should be increased, established in ends of vessels biggish
" enclosed area " just can ensure that vessel closure stops blooding.United States Patent (USP) US8100908 and Chinese patent application CN200480040297 are set
The method of increase heat-conducting plate has been set to solve problem above.United States Patent (USP) US7918848, US8961503 and US9636163 are equivalent
Sample improves in the technical foundation of the above electric heating melting welding, and designing one kind high efficiency separation and can win radial artery and big hidden
Vein (be used for heart pass) can ensure that the smallest surrounding tissue thermal damage again, while safety cut-off blood vessel and can carry out closed
Device.The invention includes an elongated axis, has the first and second relatively moveable elongated jaw portions in its distal end.First
The surface in jaw portion provides first heating element of welding tissue and second heating element of cutting tissue.
The product of patented technology production more than pressing being commercialized, in clinical application still such as electrical heat energy surgery systems
It was found that there are many shortcoming and defect.Such as the thermal energy knife of operation on tonsils is made for hals,Nasen und Ohrenheilkunde, in the gun-shaped forceps of lengthening
Sample, front end is relatively straight and Zhang Bukai, and clamping tissue is not tight enough, and the lesser position in surgical procedure only front end can contact tissue, efficiency
It is low, cut tissue and sealing blood vessels less effective.Especially when pole under tonsillotome is accomplished in operation, tweezers Zhang Bukai encounters out
Haemostatic effect is bad when blood.Another kind for laparoscopic surgery pincers it is longer larger, also it is unsuitable do tonsillotome or palate pharynx at
Type operation.Prior art products another generally existing deficiency and defect are that resistive heater diameter is relatively fine, such as import thermal energy
The resistive heater diameter of knife is 0.25mm, and non-loaded supply voltage is 6 to 9 volts, and thermal energy compares concentration, and cutting speed is fast but stops
Blood effect is poor.Such as to obtain preferable haemostatic effect must add heat-conducting plate or use the mode of intermittent pulse power supply to reduce temperature,
But reducing temperature then declines efficiency and is easy to that cutter head adhesion occurs.And the working end of its short tweezer or alligator pliers is straight elongated
Shape, is especially unsuitable for presenting the region of anatomy operation of certain angle, amygdala, soft palate, the root of the tongue and most neck and common outer
The operation of section.
Vessel forceps are most common interim hemostatic devices in surgical operation, flexibly and easily, easy to use, it may also be used for separation
With clamp tissue.Also there are many patterns for jaw type electrosurgical unit for clinic, is found in United States Patent (USP) US1586645 earliest,
Thereafter more representational have US6464704, US20050004568, Chinese patent CN1608597, CN206950223,
CN2657598 and PCT Patent WO02/098313.These patented technologies are substantially the mode using bipolar coagulation, using height
Frequency or radio-frequency current are by the way that, by the tissue of clamp, generating thermal energy makes protein coagulation vessel closure, reaches hemostasis between two electrodes
Effect.But since tissue cannot be cut such as other bipolar coagulation instruments, have to using other instruments such as cryoprobe tool or electric heating
Electric spark instrument assists shearing.In order to keep the flexible light characteristic of vessel forceps, while sealing blood vessels and cutting group can be reached
The function of knitting, the present invention have carried out design and solution below.
Summary of the invention
The main technical problem to be solved in the present invention is for the existing insufficient and defect of above-mentioned similar technique product.
Main technical schemes are: a kind of by being equipped with the first working end of clamp of resistive heater electrothermal device, corresponding pincers
Press from both sides the jaw type of the second working end, articulated section, the first clamp handle, the second clamp handle, the first finger ring, the second finger ring and power supply and circuit composition
Electric heating melting welding knife, shape are approximate with traditional stainless steel curved hemostatic forceps with clamp function.The resistive heater proximal end and arc
The metal proximal of the first working end of clamp connects, and distally turns to the back side and low-impedance conducting wire in the distal end of the first working end of clamp
Connection, resistive heater are close to by high-temperature insulation material with the working face of the first working end of clamp, and conducting wire passes through high temperature resistant
Insulating materials is close to the back side of the first working end of clamp.Power switch and DC power supply are equipped at first clamp handle and the first finger ring
The anode of interface, dc power interface is electrically connected with conducting wire, and the cathode of dc power interface passes through power switch and clamp first
The metal proximal of working end is electrically connected, and power switch and dc power interface are equipped with indicator light and buzzer, to prompt to be powered
And working condition.
Resistive heater is high impedance wire, it is therefore preferable to cr20ni80 nichrome heating wire, section is triangular in shape,
It is semicircle or round, it is therefore preferable to which that equilateral triangle, apex angle are 90 ° to 120 °, and preferably 110 ° are made arc polishing, bottom side length
0.4 to 1mm, semicircle or circular diameter 0.2 to 0.6mm, resistive heater length 10 to 30mm, bottom surface and clamp first
High-temperature insulation material on the working face of working end is close to, vertex angle, semicircle or round protrusion one facing towards arc
The working face of the second working end of clamp, both ends using welding or clamping mode respectively with the metal proximal of the first working end of clamp and
The conducting wire at the distal end back side connects.The high-temperature insulation material that the resistive heater and conducting wire are close to the first working end of clamp
For ceramics, silica gel, glass fibre or polytetrafluoroethylene (PTFE) (Teflon), it is prefabricated into cannula-like or other special shapes.The pincers
It presss from both sides the second working end working face corresponding with the electrothermal device of the first working end of clamp and is covered with high-temperature insulation material, high temperature resistant
Insulating materials is ceramics, silica gel, glass fibre or polytetrafluoroethylene (PTFE) (Teflon), is prefabricated into cannula-like or other special shapes
Shape.The low-impedance conducting wire is made of sub-thread or strand copper wire, at flat belt-like, is pasted on clamp the by high-temperature insulating glue
The back side of one working end and the prefabricated groove of the first clamp handle, one end are connect with resistive heater, and the other end and power switch connect
It connects.Sub-thread or strand copper wire production can also be used in conducting wire, at cylindric, housing high-temp.-resisting insulation sleeve, is worked by clamp first
Pass through at end and the prefabricated hollow pipeline of the first clamp handle, one end is connect with resistive heater, and the other end is connect with power switch..
Jaw type electric heating melting welding knife can be made into disposable or nonexpondable mode.It is disposable to be more conform with medical treatment
Sanitary standard can effectively prevent cross-infection, but more wasteful material and resource.It is used for multiple times to compare and saves material and resource,
Medical supplies expense is reduced, but needs stringent cleaning and sterilizing after use every time.Since the resistance of jaw type electric heating melting welding knife clamp is sent out
Heated filament is fallible component, and the first working end of clamp is the position of difficult cleaning easy to pollute again, and the design of the first working end of clamp can be used
To be disposable, other positions are designed as nonexpondable mode.Specific design scheme is the first working end of clamp and hinged
Portion and the first clamp handle are detachably connected in being detachably connected using bolt-type or screw cap type, equipped with preventing the first working end of clamp
Axial rotational positioning bayonet, and it is equipped with the plug receptacle that is electrically connected of conducting wire.Such as in such a way that overall time uses, jaw type electric heating melting
Weldering knife is designed as the first clamp handle, the second clamp handle, the first finger ring and the second finger ring using high-strength medical plastics such as polyvinyl chloride
(PVC) or polycarbonate (PC) production, built-in conducting wire are electrically connected with the metal proximal of the first working end of conducting wire and clamp,
Power switch and dc power interface are equipped at the first clamp handle and the first finger ring.First finger ring and the second finger ring can design increasing
With the contact area of finger, it is suitble to ergonomic's principle and appearance is more graceful, so die sinking batch production can be also reduced into
This reduction consumptive material expense.
Battery powered mode can be used in the DC power supply of jaw type electric heating melting welding knife, and Selection of Battery rechargeable lithium battery gathers
It closes object battery or other high-energy batteries, 3 to 5 volt of voltage, preferably 3.7 volts is placed in sterilizable battery case, passes through plug
It is connect with firm part is screwed on dc power interface.The DC power supply of jaw type electric heating melting welding knife can also be used external by isolation transformation
The adjustable DC power supply power supply of device, rectification circuit, filter circuit, voltage regulator circuit, display circuit composition, is equipped with voltage and current
Adjusting knob, input voltage be 220 volts of single-phase alternating currents, export for 0 to 10 volt of DC voltage it is adjustable, DC current 0 to 10 pacify
Adjustable, positive and negative anodes output interface passes through connecting line and plug the dc power interface positive and negative anodes with jaw type electric heating melting welding knife respectively
Connection, the panel of DC power supply are equipped with the display screen of output voltage, electric current and power, and complete machine meets medical safe standard.With
Upper design structure is simple and reliable, is not necessary to excessive joint linkage structure and component, with the conductor cross-section that connect of anode can design compared with
Greatly, negative loop is directly using the metal proximal of the first working end of clamp and the first clamp handle as conductor and power switch and DC power supply
Interface connection, reduces resistance and circuit thermal losses, and can increase the efficiency of resistive heater.Thus jaw type electric heating melting of the invention
Weldering knife circuit may be designed as special low-voltage dc circuit, and non-loaded 3 to 5 volt of supply voltage in real work is far below national regulation
Safe voltage, and when using and no current is by tissue, so the position of instrument and human contact are all not necessary to especially absolutely
Edge isolation.It is more safe and simple, practical relative to other types of electrosurgery unit.
Beneficial effects of the present invention are main are as follows: further improve the vessel closure and tissue cutting effect of associated surgical
Fruit shortens operating time, improves procedure efficiency；In conjunction with the advantage of routine operation vessel forceps, lighter, flexible using operation,
It is safe, practical；Structure is simple, manufactures at low cost, reduction medical treatment consumptive materials expense；It can be made into model of different sizes, fit
Close the operation demand of different parts and different modes.
Detailed description of the invention
Fig. 1 is a kind of embodiment schematic diagram of the invention.
Fig. 2 is the first working end of clamp of the present invention and the second working end of clamp enlarged drawing.
Fig. 3 is the sectional view of the first working end of Fig. 2 clamp of the present invention and the second working end of clamp along AA hatching.
Fig. 4 is the sectional view of AA hatching, especially shows tri- kinds of different shapes of A, B, C in resistive heater section.
Fig. 5 is of the invention disposable or is detachably connected pattern diagram.
Fig. 6 is the present invention using battery as the schematic diagram of power supply.
Fig. 7 is the schematic diagram of connected adjustable DC power supply of the present invention.
Specific embodiment
Below with reference to attached drawing, specific embodiments of the present invention will be described in further detail.
It is a kind of by be equipped with the first working end of clamp 1 of resistive heater electrothermal device, the second working end of corresponding clamp 2,
The jaw type electric heating melting of articulated section, the first clamp handle 8, the second clamp handle 9, the first finger ring 13, the second finger ring 10 and power supply and circuit composition
Knife is welded, shape and clamp function are approximate with traditional stainless steel curved hemostatic forceps.5 proximal end of resistive heater and arc clamp the
The metal proximal 6 of one working end 1 connects, and distally turns to the back side and low-impedance conducting wire 7 in the distal end of the first working end of clamp 1
Connection, resistive heater 5 are close to by high-temperature insulation material 4 with the working face of the first working end of clamp 1, and conducting wire 7 passes through resistance to
High temperature insulating material is close to the back side of the first working end of clamp 1.Power switch is equipped at first clamp handle 8 and the first finger ring 13
11 and dc power interface 14, the anode of dc power interface 14 is electrically connected with conducting wire 7, and the cathode of dc power interface 14 passes through
Power switch 11 is electrically connected with the metal proximal 6 of the first working end of clamp 1, and power switch 11 is selected as depression belt LED light
High current self-resetting button switch, power switch 11 and dc power interface 14 be equipped with buzzer 12, and buzzer 12 is to have
Source electromagnetic buzzer, operating voltage are 3 to 5 volts, and with prompt energization and working condition, (LED light is bright when being powered standby, leads to
LED light is put out when electric pushing power switch 11 starts work, and buzzer 12 issues the sound).
Resistive heater 5 is high impedance wire, it is therefore preferable to which cr20ni80 nichrome heating wire, section are in triangle
Shape, semicircle or circle, as shown in A, B, C of Fig. 4, it is therefore preferable to which equilateral triangle, apex angle are 90 ° to 120 °, preferably
110 ° are made arc polishing, bottom side length 0.4 to 1mm, semicircle or circular diameter 0.2 to 0.6mm, according to jaw type electric heating melting welding knife
Size specification selection resistive heater 5 size and cross sectional shape.Operation less for bleeding and that requirement is finer, it is such as whole
Lesser jaw type electric heating melting welding knife may be selected in shape beauty treatment, matches section or the lesser resistive heater of diameter.For bleeding compared with
More and section does not require very delicate operation, such as root of the tongue part resection operation, H/N tumors operation and liver partial excision operation
Deng biggish jaw type electric heating melting welding knife may be selected, with section or the resistive heater being relatively large in diameter.Section resistance triangular in shape
Heating wire and tissue contact surface product are larger, and sealing blood vessels effect is preferable, and the apex angle in its section comparatively facilitates cutting and separation
Tissue.High-temperature insulation material 4 of 5 length 10 of resistive heater to 30mm, on bottom surface and 1 working face of the first working end of clamp
It is close to, a working face for pressing from both sides the second working end 2 facing towards arc shaped pincers of vertex angle, semicircle or round protrusion, both ends are adopted
It is connect respectively with the conducting wire 7 of the metal proximal 6 of the first working end of clamp 1 and the distal end back side with welding or clamping mode.The electricity
Resistance heating wire 5 and the high-temperature insulation material 4 be close to the first working end of clamp 1 of conducting wire 7 be ceramics, silica gel, glass fibre or
Polytetrafluoroethylene (PTFE) (Teflon) is prefabricated into cannula-like or other special shapes.Second working end of clamp 2 and clamp first
The corresponding working face of resistive heater 5 of working end 1 is covered with high-temperature insulation material 3, high-temperature insulation material 3 be ceramics,
Silica gel, glass fibre or polytetrafluoroethylene (PTFE) (Teflon) are prefabricated into cannula-like or other special shapes.It is described low-impedance to lead
Line 7 is made of sub-thread or strand copper wire, and flat belt-like is made, the back of the first working end of clamp 1 is pasted on by high-temperature insulating glue
Face and the prefabricated groove of the first clamp handle 8, one end are connect with resistive heater 5, and the other end is connect with power switch 11.Conducting wire 7
Sub-thread or strand copper wire production can also be used, cylindric, housing high-temp.-resisting insulation sleeve is made, by the first working end of clamp 1 and
By (as shown in the sectional view of Fig. 4) at the prefabricated hollow pipeline of first clamp handle 8, one end is connect with resistive heater 5, the other end
It is connect with power switch 11.The above high-temperature insulation material is preferably the polytetrafluoroethylene (PTFE) of tolerable 350 degree of high temperature, (iron fluorine
Dragon), it is prefabricated into suitable cannula-like or other specially designed shapes.
Jaw type electric heating melting welding knife can be made into disposable or nonexpondable mode.It is disposable to be more conform with medical treatment
Sanitary standard can effectively prevent cross-infection, but more wasteful material and resource.It is used for multiple times to compare and saves material and resource,
Medical supplies expense is reduced, but needs stringent cleaning and sterilizing after use every time.Since the resistance of jaw type electric heating melting welding knife clamp is sent out
Heated filament 5 is fallible component, and the first working end of clamp 1 is the position of difficult cleaning easy to pollute again, and the first working end of clamp 1 can be used
It is designed as disposable, other positions are designed as nonexpondable mode.Specific design scheme be the first working end of clamp 1 or
Together with articulated section and the first clamp handle 8 in (as shown in Figure 5) is detachably connected, it is detachably connected using bolt-type or screw cap type, if
The axial rotational positioning bayonet in the first working end of clamp 1 is prevented, and is equipped with the plug receptacle that is electrically connected of conducting wire 7.Such as use one piece
The mode that property uses, jaw type electric heating melting welding knife are designed as the first clamp handle 8, the second clamp handle 9, the first finger ring 13 and the second finger ring 10 and adopt
It is made of high-strength medical plastics such as polyvinyl chloride (PVC) or polycarbonate (PC), built-in conducting wire, with conducting wire 7 and clamp
The metal proximal 6 of first working end 1 is electrically connected, and power switch 11 and direct current are equipped at the first clamp handle 8 and the first finger ring 13
Source interface 14.First finger ring and the second finger ring can design the contact area of increasing and finger, be suitble to ergonomic's principle and outer
Sight is more graceful, and so die sinking batch production can also reduce cost and reduce consumptive material expense.
The mode (as shown in Figure 6) of the power supply of battery 17 can be used in the DC power supply of jaw type electric heating melting welding knife, and battery 17 is selected
Rechargeable lithium battery, polymer battery or other high-energy batteries, 3 to 5 volt of voltage, preferably 3.7 volts, are placed in equipped with bottom cover 18
Sterilize in battery case 16, connect by plug and the firm part 15 that is screwed on dc power interface 14.It is supplied using battery 17
Relatively flexibly lighter when the mode of electricity operates, circuit is also relatively safer.The DC power supply of jaw type electric heating melting welding knife can also be used outer
It connects and is powered by the adjustable DC power supply 21 that isolating transformer, rectification circuit, filter circuit, voltage regulator circuit, display circuit form
(as shown in Figure 7) is equipped with voltage and current adjusting knob, and input voltage is 220 volts of single-phase alternating currents, exports as DC voltage 0
Adjustable to 10 volts, the peace of DC current 0 to 10 is adjustable, and positive and negative anodes output interface is electric with jaw type respectively by connecting line and plug 19
14 positive and negative anodes of dc power interface of thermofussion welding knife connect, and the panel of DC power supply is equipped with output voltage, electric current and power
Display screen 22, complete machine meet medical safe standard.The mode application range that adjustable DC power supply 21 is powered is wider, is suitble to not
With size jaw type electric heating melting welding knife and different parts operation needs, stream time can as needed more persistently.
First select the jaw type electric heating melting welding knife disinfected (for example disposable according to operative site and mode when use
Packaging, then open aseptic packaging box, take out jaw type electric heating melting and weld knife), such as use battery power supply, then open battery case
16 bottom cover 18 is packed into battery (it is recommended that the lithium battery for using 3.7 volts), then passes through plug and be screwed on firm part 15 and direct current
Source interface 14 connects, and the power supply indicator on visible power switch 11 shines at this time.Such as use external direct current power supply, Ying Xian
Connecting line and plug 19 are connect with 14 positive and negative anodes of dc power interface of jaw type electric heating melting welding knife respectively, adjust output voltage and
Electric current, voltage are preferably adjusted at 3 to 5 volts, and electric current is preferably adjusted in 5 to 8 peaces, at this time the power supply indicator hair on visible power switch 11
Light.It tests jaw type electric heating melting and welds knife, the right hand holds pincers as conventional vascular clamps, a wet yarn block is taken to be placed in the first working end of clamp
1 and second clamp between working end 2 it is tight, right hand index finger opens power switch 11, and buzzer issues the sound, prompts jaw type electric heating melting
Weldering knife has been turned on start-up operation, and the wet gauze that visible clamp the first working end 1 and the second working end 2 clamp at this time heats and has water
Steam is blown out.Try not it is unloaded open power switch 11, so that resistive heater 5 is crossed cause thermal damage.
By taking tonsil resection or uvula palate pharynx urethroptasty as an example, local anaesthesia or general anesthesia, patient's left hand can be used
Curved hemostatic forceps clamp uvula tip or palatine arches, the right hand in common is held to hold jaw type electric heating melting welding knife and its arc clamp first works
End 1 and the second working end of arc clamp 2 clamp the mucous membrane or tissue to be cut, and length about 10 to 20mm or so, right hand index finger is opened
Open power switch 11, it is seen that the mucous membrane or other soft tissues that the first working end of clamp 1 and the second working end of clamp 2 clamp heat simultaneously
There is water vapour to blow out, persistently clamps the mucous membrane of visible clamping in about 1-3 seconds or other soft tissues small range occur and whiten and to two
Side separation.The how linear white coagulation band in cut surface two sides, mostly without bleeding, the surface of a wound is clean, and anatomical layer understands.Continue by hand
Art requires cutting tissue and sealing blood vessels, until operation is completed.When for the operation of other positions, it should be needed to select to close according to operation
The jaw type electric heating melting welding knife of suitable size, can combine other Electrosurgical instruments when necessary and complete to perform the operation jointly.
Form of implementation of the invention can have multiplicity, can by it is small it is curved, in curved and big curved or even mosquito formula it is curved etc. different size of curved
Vessel forceps pattern making, working end can be coarse to fine, be suitable for ENT & HN Surgery Dept., decorative sursery, general surgery, outside blood vessel
Section, Breast Surgery, department of plastic surgery, orthopaedics and a variety of hysteroscope surgical operations.
In conclusion the present invention can also have other various embodiments, in the situation without departing substantially from spirit of that invention and its essence
Under, those skilled in the art make various corresponding changes and modifications in accordance with the present invention, but these change accordingly
Become and deformation all should belong to appended claims of the invention protection scope.
Claims (10)
1. a kind of by being equipped with the first working end of clamp of resistive heater electrothermal device, the second working end of corresponding clamp, hinged
The jaw type electric heating melting welding knife of portion, the first clamp handle, the second clamp handle, the first finger ring, the second finger ring and power supply and circuit composition, feature
Be: the resistive heater proximal end is connect with the metal proximal of the first working end of arc clamp, is distally worked in clamp first
The distal end at end turns to the back side and connect with low-impedance conducting wire, and resistive heater is worked by high-temperature insulation material and clamp first
The working face at end is close to, and conducting wire is close to by high-temperature insulation material with the back side of the first working end of clamp；First clamp handle and
Power switch and dc power interface are equipped at one finger ring, the anode of dc power interface is electrically connected with conducting wire, and DC power supply connects
The cathode of mouth is electrically connected by power switch with the metal proximal of the first working end of clamp, on power switch and dc power interface
Equipped with indicator light and buzzer.
2. jaw type electric heating melting welding knife according to claim 1, it is characterised in that: the resistive heater is high resistant anti-metal
Silk, it is therefore preferable to which cr20ni80 nichrome heating wire, section are triangular in shape, semicircle or round, it is therefore preferable to equilateral triangle
Shape, apex angle are 90 ° to 120 °, and preferably 110 ° are made arc polishing, bottom side length 0.4 to 1mm, semicircle or circular diameter 0.2
To 0.6mm, resistive heater length 10 to 30mm, bottom surface and the high-temperature insulation material on the working face of the first working end of clamp
It is close to, a working face for pressing from both sides the second working end facing towards arc shaped pincers of vertex angle, semicircle or round protrusion, both ends use
Welding or clamping mode are connect with the conducting wire of the metal proximal of the first working end of clamp and the distal end back side respectively.
3. Low-temp. electrothermal melting welding knife as described in claim 1 or 2, it is characterised in that: the resistive heater and conducting wire and pincers
Press from both sides the first working end abutting high-temperature insulation material be ceramics, silica gel, glass fibre or polytetrafluoroethylene (PTFE) (Teflon), it is prefabricated
Complete tubulose or other special shapes.
4. Low-temp. electrothermal melting welding knife as described in claim 1 or 2, it is characterised in that: second working end of clamp and clamp
The corresponding working face of the electrothermal device of first working end is covered with high-temperature insulation material, and high-temperature insulation material is ceramics, silicon
Glue, glass fibre or polytetrafluoroethylene (PTFE) (Teflon) are prefabricated into cannula-like or other special shapes.
5. Low-temp. electrothermal melting welding knife as described in claim 1 or 2, it is characterised in that: the low-impedance conducting wire uses sub-thread
Or strand copper wire production, flat belt-like is made, the back side and the first clamp handle of the first working end of clamp are pasted on by high-temperature insulating glue
Prefabricated groove, one end are connect with resistive heater, and the other end is connect with power switch.
6. Low-temp. electrothermal melting welding knife as described in claim 1 or 2, it is characterised in that: the low-impedance conducting wire uses sub-thread
Or strand copper wire production, cylindric, housing high-temp.-resisting insulation sleeve is made, it is prefabricated by the first working end of clamp and the first clamp handle
Pass through at hollow pipeline, one end is connect with resistive heater, and the other end is connect with power switch.
7. Low-temp. electrothermal melting welding knife as described in claim 1 or 2, it is characterised in that: first working end of clamp and hinged
Portion and the first clamp handle are detachably connected in being detachably connected using bolt-type or screw cap type, equipped with preventing the first working end of clamp
Axial rotational positioning bayonet, and it is equipped with the plug receptacle that is electrically connected of conducting wire.
8. Low-temp. electrothermal melting welding knife according to claim 1, it is characterised in that: first clamp handle, the second clamp handle, first refer to
Ring and the second finger ring are made of high-strength medical plastics such as polyvinyl chloride (PVC) or polycarbonate (PC), built-in conducting wire,
It is electrically connected with the metal proximal of the first working end of conducting wire and clamp, equipped with power switch and directly at the first clamp handle and the first finger ring
Galvanic electricity source interface.
9. by Low-temp. electrothermal melting welding knife described in claim 1 or 8, it is characterised in that: the power supply is powered using battery, battery
Using rechargeable lithium battery or high-energy battery, 3 to 5 volt of voltage, preferably 3.7 volts are placed in and sterilize battery appearance equipped with bottom cover
In device, it is connect by plug and firm part with power interface.
10. by Low-temp. electrothermal melting welding knife described in claim 1 or 8, it is characterised in that: the power supply is equipped with isolation using outer
The power supply of the adjustable DC power supply of transformer and rectification circuit, is equipped with voltage and current adjusting knob, and input voltage is 220 volts of friendships
Galvanic electricity, export for 0 to 10 volt of DC voltage it is adjustable, DC current 0 to 10 peace it is adjustable, positive and negative anodes output interface passes through connecting line
It is connect respectively with the dc power interface positive and negative anodes of Low-temp. electrothermal melting welding knife with plug, the panel of DC power supply is equipped with output electricity
The display screen of pressure, electric current and power, complete machine meet medical safe standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910291420.2A CN110279462A (en) | 2019-04-09 | 2019-04-09 | A kind of jaw type electric heating melting welding knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910291420.2A CN110279462A (en) | 2019-04-09 | 2019-04-09 | A kind of jaw type electric heating melting welding knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110279462A true CN110279462A (en) | 2019-09-27 |
Family
ID=68001426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910291420.2A Pending CN110279462A (en) | 2019-04-09 | 2019-04-09 | A kind of jaw type electric heating melting welding knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110279462A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043373A (en) * | 2020-09-17 | 2020-12-08 | 中国科学院长春光学精密机械与物理研究所 | Intelligent temperature-adjusting medical bipolar electrocoagulator |
| CN113967064A (en) * | 2020-03-27 | 2022-01-25 | 广州派若弥医疗器械有限公司 | Hot-melt welding knife capable of enhancing blood vessel sealing function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030187429A1 (en) * | 2002-03-26 | 2003-10-02 | Olympus Optical Co., Ltd. | Medical apparatus |
| US20060217706A1 (en) * | 2005-03-25 | 2006-09-28 | Liming Lau | Tissue welding and cutting apparatus and method |
| CN201404288Y (en) * | 2009-05-31 | 2010-02-17 | 河北众帮天成医疗器械科技有限公司 | Electric heating measuring cutter |
| CN102525639A (en) * | 2010-10-04 | 2012-07-04 | Tyco医疗健康集团 | Vessel sealing instrument |
| CN103841911A (en) * | 2011-08-09 | 2014-06-04 | 柯惠有限合伙公司 | Surgical forceps |
| CN211674517U (en) * | 2019-04-09 | 2020-10-16 | 广州派若弥医疗器械有限公司 | Clamp type electric hot-melting welding knife |
-
2019
- 2019-04-09 CN CN201910291420.2A patent/CN110279462A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030187429A1 (en) * | 2002-03-26 | 2003-10-02 | Olympus Optical Co., Ltd. | Medical apparatus |
| US20060217706A1 (en) * | 2005-03-25 | 2006-09-28 | Liming Lau | Tissue welding and cutting apparatus and method |
| CN201404288Y (en) * | 2009-05-31 | 2010-02-17 | 河北众帮天成医疗器械科技有限公司 | Electric heating measuring cutter |
| CN102525639A (en) * | 2010-10-04 | 2012-07-04 | Tyco医疗健康集团 | Vessel sealing instrument |
| CN103841911A (en) * | 2011-08-09 | 2014-06-04 | 柯惠有限合伙公司 | Surgical forceps |
| CN211674517U (en) * | 2019-04-09 | 2020-10-16 | 广州派若弥医疗器械有限公司 | Clamp type electric hot-melting welding knife |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967064A (en) * | 2020-03-27 | 2022-01-25 | 广州派若弥医疗器械有限公司 | Hot-melt welding knife capable of enhancing blood vessel sealing function |
| CN112043373A (en) * | 2020-09-17 | 2020-12-08 | 中国科学院长春光学精密机械与物理研究所 | Intelligent temperature-adjusting medical bipolar electrocoagulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10813628B2 (en) | Surgical device with DC power connection | |
| Gerhard | Surgical Electrotechnology: Quo Vadis? | |
| US5011483A (en) | Combined electrosurgery and laser beam delivery device | |
| US8945122B2 (en) | Power glove | |
| US8808283B2 (en) | Inductive powered surgical device with wireless control | |
| CN110279462A (en) | A kind of jaw type electric heating melting welding knife | |
| CN108294820A (en) | A kind of Low-temp. electrothermal melting welding knife | |
| CN209404937U (en) | A kind of Low-temp. electrothermal melting welding knife | |
| CN107440784A (en) | A kind of Multifunctional hepatobiliary surgical tourniquet | |
| CN202113164U (en) | Bipolar electrotome | |
| JP2012105766A (en) | Medical surgical instrument | |
| CN211674517U (en) | Clamp type electric hot-melting welding knife | |
| Sajjadian et al. | Electrosurgery in the head and neck | |
| CN205459026U (en) | A electrotome for video assisted thoracic operation | |
| CN212281618U (en) | Hand-held hot melting knife | |
| CN110623726B (en) | Radio frequency plasma knife electrode vaporization, heat congeals, cutting operation anti-inflammatory device | |
| Berjano et al. | Bipolar electrosurgery with long electrodes for RF coagulation of atrial tissue | |
| CN113967064A (en) | Hot-melt welding knife capable of enhancing blood vessel sealing function | |
| CN104207823A (en) | Ultrasonic scalpel device for open type surgical operation | |
| US20060058779A1 (en) | Electrocautery method and system | |
| Marvel et al. | Energy devices and stapling equipment | |
| CN208822904U (en) | A kind of electric lancet | |
| Tromovitch et al. | The Shaw scalpel | |
| CN107582162A (en) | A kind of general outer minimally-invasive scalpel | |
| CN207679523U (en) | Electric excision electric coagulating knife |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |