CN206424144U - One kind can lead to the flexible cold and hot scalpel of argon gas - Google Patents

Abstract

The utility model, which is related to one kind, can lead to the flexible cold and hot scalpel of argon gas, it includes inert gas high-frequency electric knife device and refrigerating plant, radio-frequency electrode that inert gas high-frequency electric knife device includes being used for thermally resecting tissue, the conductor for conveying electric current to radio-frequency electrode, surrounds radio-frequency electrode with the inert gas of tissue to be thermally resected and the pipeline for conveying inert gas when thermally resecting；The utility model is rational in infrastructure, advanced design, safe and reliable, with low cost, integrated height, and flexibility is strong, and service life is long.

Description

One kind can lead to the flexible cold and hot scalpel of argon gas

Technical field

The utility model, which is related to one kind, can lead to the flexible cold and hot scalpel of argon gas.

Background technology

Cryosurgical treatment instrument comes across 1967, and he uses carbon dioxide or nitrous oxide as refrigerant, utilizes Jiao Ear-Tom's Sun effects make the gases at high pressure method that adiabatic expansion produces low temperature by orifice restriction, cool the temperature to -70~- 80°C.Freezing can make the water crystallization Cheng Bing in human tissue cell, and cessation of cell division simultaneously melts, and blood flow stops, microthrombus shape Into causing cell death.Cold therapy is usually used in the palliative resction of malignant tumour, the cutting off of the early stage of lung cancer in bronchus, good Excision, hemostasis, taking-up of respiratory tract foreign body of property tumour etc..The advantage of cold therapy：The depth of freezing is easily controlled, thus is worn Hole it is dangerous small；Not damaged cartilage in therapeutic process；Suffer from due to there is no high frequency electrical effect, thus available for equipped with pacemaker Person；Without fire hazard；Support is not damaged, available for good in support, malignant tissue's hyperplasia treatment.

Electric knife is applied to the clinical history for having more than 70 years so far from nineteen twenty, and electric knife is a kind of substitution Mechanical operation knife carries out the electrosurgical unit of tissue cutting.High-frequency high-voltage current and human body that it is produced by active electrode tip Tissue is heated during contact, the separation and solidification to injected organism tissue is realized, so as to play the purpose of cutting and hemostasis.At present Not only in open surgery, such as general surgery, chest are outer, brain is outer, ENT dept., decorative sursery are widely used, and more next Apply more in various ESSs, such as：Laparoscope, prostate are cut in the operation such as mirror, gastroscope, cystoscope, hysteroscope. Because electric knife can be cut and blood coagulation, in the operation that mechanical operation knife is difficult to enter and implements simultaneously（Such as：Belly pipe Road ligation, prostate-urethra Tumor resection）It is able to commonly used.

The coagulating effectiveness that electric knife is protruded, makes it be widely used in diffusivity oozing of blood position such as liver, spleen, first shape In gland, mammary gland, pulmonary surgery.

Utility model content

Technical problem to be solved in the utility model be to provide a kind of reasonable in design, compact conformation and it is easy to use can The flexible cold and hot scalpel of logical argon gas.

To solve the above problems, technical solution adopted in the utility model is：

One kind can lead to the flexible cold and hot scalpel of argon gas, including inert gas high-frequency electric knife device and refrigerating plant, lazy Property gas high-frequency electric knife device include being used for thermally resecting tissue radio-frequency electrode, the conductor for conveying electric current to radio-frequency electrode, Radio-frequency electrode is surrounded with the inert gas of tissue to be thermally resected when thermally resecting and the pipeline for conveying inert gas；

Refrigerating plant is included for the cold head of cold resection organization and for the pipeline to cold head cooling refrigeration；

Inert gas high-frequency electric knife device and refrigerating plant are integrated in integral.

Further, the external left end in cold head of radio-frequency electrode.

Further, including on the right side of left end and cold head the central tube that is connected, the inner sleeve being sleeved on central tube, it is arranged on Throttle orifice on heart pipe left end or lateral wall, the first refrigerant passage being arranged in inner sleeve pipe orifice and centrally disposed pipe with The second refrigerant passage between inner sleeve；Cold head is tightly connected with inner sleeve left end；

First refrigerant passage is connected by throttle orifice with the second refrigerant passage.

Further, outer tube is set with inner sleeve, inert gas passage is provided between inner sleeve and outer tube； Along the axis projection of outer tube, outer tube surrounds radio-frequency electrode and set.

Further, the right-hand member of outer tube is provided with guide holder, fixed seat is set with outer tube, it is left in fixed seat End is provided with leading to male half coupling, and guide holder is set along leading slided to male half coupling, in guide holder and leading between male half coupling It is provided with sliding ring；

Central tube, inner sleeve and outer tube are flexible pipe.

Further, the ventilating joint for connecting noble gas source is provided with guide holder or fixed seat, ventilation connects Head is connected with inert gas passage.

Further, connector is provided with fixed seat right-hand member inner stopper, connector right-hand member is provided with the fast changing-over of tailstock Head, is provided with connector for the external compression set that compresses inner sleeve right-hand member and inner support set, central tube lateral wall with Insulated enclosure set is provided between the wall of tailstock quick-release connector endoporus side；

The passage connected with the second refrigerant passage is provided with connector or tailstock quick-release connector.

Further, cold head is silver, copper, stainless steel or titanium, and central tube is metal hose, and inner sleeve is poly- four with outer tube Fluoride tubes, nylon tube or rubber tube；Inner support set is insulation sleeve.

Further, central tube right-hand member and power electric connection.The inert gas is argon gas.

It is using the beneficial effect produced by above-mentioned technical proposal：

Two kinds of functions are integrated and produced by the utility model can start freezing work(during the third function, radio frequency Can, for reducing radio-frequency electrode temperature, radio-frequency electrode can be made continuously to work, solve the difficulty that RF ablation can not continuously work Topic.Radio frequency excision ablation and Cryosurgery ablation have a respective advantage, doctor in surgical procedure can according to pathological tissues present situation with Shi Bianhuan treatment means, make therapeutic effect reach most preferably.

The utility model is rational in infrastructure, advanced design, safe and reliable, with low cost, integrated height, and flexibility is strong, Service life is long.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment 1.

Fig. 2 is the structural representation of the utility model embodiment 2.

Wherein：1st, radio-frequency electrode；2nd, cold head；3rd, central tube；4th, inner sleeve；5th, outer tube；6th, guide holder；7th, it is leading outside Seam；8th, fixed seat；9th, ventilating joint；10th, external compression set；11st, inner support set；12nd, connector；13rd, tailstock quick-release connector； 14th, insulated enclosure set；15th, throttle orifice；16th, inert gas passage；17th, sliding ring；19th, passage；21st, the first refrigerant Passage；22nd, the second refrigerant passage.

Embodiment

Embodiment 1：As shown in figure 1, the present embodiment includes high-frequency electric knife device and refrigerating plant, high-frequency electric knife device bag Include the radio-frequency electrode 1 for thermally resecting tissue and the conductor for conveying electric current to radio-frequency electrode 1；

Refrigerating plant is included for the cold head 2 of cold resection organization and for the pipeline to the cooling refrigeration of cold head 2；

High-frequency electric knife device and refrigerating plant are integrated in integral.

Further, can also be by outside radio-frequency electrode 1 preferably, can be by the external left end in cold head 2 of radio-frequency electrode 1 Put in the side of cold head 2.

Further, including left end and the right side of cold head 2 central tube 3 be connected, the inner sleeve 4 being sleeved on central tube 3, setting Throttle orifice 15 on the left end of central tube 3 or lateral wall, the first refrigerant passage 21 being arranged in the endoporus of inner sleeve 4 and set The second refrigerant passage 22 between central tube 3 and inner sleeve 4；Cold head 2 is tightly connected with the left end of inner sleeve 4；

First refrigerant passage 21 is connected by throttle orifice 15 with the second refrigerant passage 22., can be by as malformation Heart pipe 3 can be independently arranged side by side respectively with inner sleeve 4.

Central tube 3, inner sleeve 4 and outer tube 5 are flexible pipe, and preferably below wall thickness 1mm is preferred with 0.05-0.1mm.

Further, in addition to the connector 12 of the right-hand member of inner sleeve 4 is arranged on, the right-hand member of connector 12 is provided with tailstock quick change Joint 13, the external compression for compressing the right-hand member of inner sleeve 4 is provided with connector 12 and covers 10 and inner support set 11, in central tube Insulated enclosure set 14 is provided between 3 lateral wall and the endoporus side wall of tailstock quick-release connector 13；Prevent from getting an electric shock, fixation, knot Structure is reasonable；

The passage 19 connected with the second refrigerant passage 22 is provided with connector 12 or tailstock quick-release connector 13, will be returned Gas is discharged in air, as malformation, and cold media gas can be set with reverse flow.

Preferably, cold head 2 is silver, copper, stainless steel or titanium, central tube 3 is stainless steel flexible hose, and inner sleeve 4 is polytetrafluoro Ethylene tube, nylon tube or rubber tube；Inner support set 11 is insulation sleeve.

It is threadedly coupled preferably, the left inside seam of connector 12 covers 10 left outside seams with external compression, external compression set 10 is right interior Seam covers 11 right male half couplings with inner support and is threadedly coupled.

Wherein, the right-hand member of central tube 3 and power electric connection, can input high-frequency high-voltage current to radio-frequency electrode 1.

The cutting tissue operation method of the present embodiment, by means of above-mentioned device, specifically includes following steps：

Step a：Scalpel position, by central tube 3 with inner sleeve 4 is along tissue flexure and enters human body so that radio-frequency electrode 1 Lesion tissue is directed at cold head 2；

Step b：Perform after step a, refrigerant is passed through by central tube 3, to the fast cooling system of cold head 2 after throttle orifice 15 It is cold, Cryosurgery ablation is carried out to lesion tissue by cold head 2；

Step c：Perform after step a, central tube 3 is powered, radio-frequency electrode 1 is to lesion tissue electric discharge excision ablation；

Step d：Perform after step a, central tube 3 is powered, radio-frequency electrode 1 is to lesion tissue electric discharge excision ablation；In radio frequency Electrode 1 is to lesion tissue electric discharge excision ablation while and/or to logical after radio-frequency electrode 1 is to lesion tissue electric discharge excision ablation Cross central tube 3 and be passed through refrigerant, the fast cooling of cold head 2 is freezed after throttle orifice 15, lesion tissue freezed by cold head 2 Excision ablation and/or the tissue taking-up freezed under cutting are external.

Embodiment 2：As shown in Fig. 2 the present embodiment is compared to embodiment 1, inert gas shielding, including indifferent gas are added Body high-frequency electric knife device and refrigerating plant, inert gas high-frequency electric knife device include be used for thermally resect tissue radio-frequency electrode 1, Surrounded during for conveying the conductor of electric current to radio-frequency electrode 1, thermally resecting the inert gas of radio-frequency electrode 1 and tissue to be thermally resected with And for conveying the pipeline of inert gas；The preferred argon gas of inert gas, the CO2 gases of the preferred high pressure of refrigerant.

Refrigerating plant is included for the cold head 2 of cold resection organization and for the pipeline to the cooling refrigeration of cold head 2；

Inert gas high-frequency electric knife device and refrigerating plant are integrated in integral.

Further, including left end and the right side of cold head 2 central tube 3 be connected, the inner sleeve 4 being sleeved on central tube 3, setting Throttle orifice 15 on the left end of central tube 3 or lateral wall, the first refrigerant passage 21 being arranged in the endoporus of inner sleeve 4 and set The second refrigerant passage 22 between central tube 3 and inner sleeve 4；Cold head 2 is tightly connected with the left end of inner sleeve 4；

First refrigerant passage 21 is connected by throttle orifice 15 with the second refrigerant passage 22.

Further, outer tube 5 is set with inner sleeve 4, inert gas is provided between inner sleeve 4 and outer tube 5 Passage 16；Along the axis projection of outer tube 5, outer tube 5 surrounds radio-frequency electrode 1 and set.

Further, the right-hand member of outer tube 5 is provided with guide holder 6, fixed seat 8 is set with outer tube 5, in fixation 8 left ends of seat are provided with leading to male half coupling 7, and guide holder 6 is set along leading slided to male half coupling 7, guide holder 6 with it is leading outwards Sliding ring 17 is provided between seam 7.

Further, the ventilating joint 9 for connecting noble gas source is provided with guide holder 6 or fixed seat 8, is ventilated Joint 9 is connected with inert gas passage 16.

Further, connector 12 is provided with the right-hand member inner stopper of fixed seat 8, it is fast that the right-hand member of connector 12 is provided with tailstock Changing-over first 13, the external compression for compressing the right-hand member of inner sleeve 4 is provided with connector 12 and covers 10 and inner support set 11, at center Insulated enclosure set 14 is provided between the lateral wall and the endoporus side wall of tailstock quick-release connector 13 of pipe 3；

The passage 19 connected with the second refrigerant passage 22 is provided with connector 12 or tailstock quick-release connector 13.

Further, cold head 2 is silver, copper, stainless steel or titanium, and central tube 3 is metal hose, and inner sleeve 4 is with outer tube 5 Polyfluortetraethylene pipe, nylon tube or rubber tube；Inner support set 11 is insulation sleeve.

The cutting tissue operation method of the present embodiment, by means of above-mentioned device, specifically includes following steps：

Step a：Scalpel is positioned, and promotes guide holder 6, central tube 3, inner sleeve 4 and outer tube 5 are gone forward side by side along tissue flexure Enter human body so that radio-frequency electrode 1 is directed at lesion tissue with cold head 2；

Step b：Perform after step a, promote guide holder 6 to cause cold head 2 to be exposed to the left end of outer tube 5, to passing through center Pipe 3 is passed through refrigerant, and the fast cooling of cold head 2 is freezed after throttle orifice 15, and carrying out Cryosurgery to lesion tissue by cold head 2 disappears Melt；

Step c：Perform after step a, first, promote guide holder 6 to cause cold head 2 to be built in the left end of outer tube 5, then, Inert gas is sprayed to radio-frequency electrode 1 by ventilating joint 9 and inert gas passage 16, and then, central tube 3 is powered, radio frequency Electrode 1 is to lesion tissue electric discharge excision ablation；

Step d：Perform after step a, first, promote guide holder 6 to cause cold head 2 to be built in the left end of outer tube 5, then, Inert gas is sprayed to radio-frequency electrode 1 by ventilating joint 9 and inert gas passage 16, and then, central tube 3 is powered, radio frequency Electrode 1 is to lesion tissue electric discharge excision ablation；In radio-frequency electrode 1 to lesion tissue electric discharge excision ablation simultaneously and/or in radio frequency Electrode 1 to lesion tissue electric discharge excision ablation after to being passed through refrigerant by central tube 3, it is quick to cold head 2 after throttle orifice 15 Cooling refrigeration, carries out Cryosurgery ablation and/or freezing to lesion tissue by cold head 2 and takes out the tissue under cutting in vitro.

As method for optimizing, first lesions position is cooled down in operation, then cut with electric knife, it is therefore prevented that electric current heat pair The damage of surrounding tissue, and intraoperative blood loss can be effectively reduced, postoperative complications are reduced, beneficial to the fast quick-recovery of patient's wound.

Compare and electric knife, argon high-frequency electric knife has advantages below：Blood coagulation is fast, haemostatic effect is reliable, intraoperative blood loss Few, operating time shortens；It is not only to being typically difficult to the position stopped blooding, has good result especially for large area oozing of blood.It is right Thin vessels are aided with hemostasis by compression, equally can be with quick-acting haemostatic powder.Blood loss typically reduces 50% or so in operation, patient is lacked blood transfusion Or do not transfuse blood, operating time can also shorten about half；Thin, equal, the firm, tissue damage of incrustation is light, and the surface of a wound easily heals blood coagulation spray Solidification layer produced by pen is extremely thin and smooth, and thickness is 0.2-0.3mm.Argon gas stream brushes the surface of a wound, is blown blood, soiling solution Open, allow argon ion arc Direct Uniform to act on the surface of a wound so that eschar is thin, uniform and firm.The solidification layer that general energy electric knife is produced There is the carbonization of one layer of brown out-of-flatness on surface and plays cooling effect, and the damage to wound tissue is slight, and clinical practice is proved Wound easily heals.Smog, peculiar smell are few because the thermocoagulation of protein is in inert gas --- implement under argon gas protection, isolation Oxygen, excessive argon gas is brushed and has played cooling effect, therefore smog in operation, and peculiar smell is greatly reduced, and is beneficial to medical matters people The health of member.

Simultaneously as there is argon gas, Cryosurgery is coordinated to further increase the effect of cooling pathological tissues.

The present apparatus can coordinate endoscope to use, and pathological tissues are reached under endoscope guiding, and pathological tissues are implemented to penetrate Frequently（Or freezing）Excision ablation.

Two kinds of functions are integrated and produced by the utility model can start freezing work(during the third function, radio frequency Can, for reducing radio-frequency electrode temperature, radio-frequency electrode can be made continuously to work, solve the difficulty that RF ablation can not continuously work Topic.Radio frequency excision ablation and Cryosurgery ablation have a respective advantage, doctor in surgical procedure can according to pathological tissues present situation with Shi Bianhuan treatment means, make therapeutic effect reach most preferably.

Radio frequency excision ablation feature power is big, and available for larger tumour and polyp is cut off, deficiency is careless slightly rapid wear Hurt sb.'s feelings body non lesion tissue, near parenchymal tissue and there is metallic support position to use, electrode during use（Cutter head） Easily generate heat and damage endoscope.Cryosurgery ablation power is small, and the course of work does not have heat generation, then has metallic support position Using and used near parenchymal tissue with unique advantage, freezing in addition has foreign body function.Cold/hot cutting has except ablation Respective advantage, two kinds of advantages can be complementary, and radio frequency is cut off first for tumour, freezes the excision for residual tumor；Excision End-of-job can be taken out the tissue under cutting in vitro using freezing function.

The utility model is rational in infrastructure, advanced design, safe and reliable, with low cost, integrated height, and flexibility is strong, Service life is long.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that： It can still be modified to the technical scheme described in previous embodiment, or which part technical characteristic is equal Replace；It is obvious that multiple technical schemes of the present utility model, which are combined, as those skilled in the art.And these Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme Enclose.

Claims (10)

1. one kind can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that：Including inert gas high-frequency electric knife device and cold Freeze device, radio-frequency electrode (1) that inert gas high-frequency electric knife device includes being used for thermally resecting tissue, for radio-frequency electrode (1) Convey the conductor of electric current, radio-frequency electrode (1) and the inert gas of tissue to be thermally resected are surrounded when thermally resecting and lazy for conveying The pipeline of property gas；

Refrigerating plant is included for the cold head (2) of cold resection organization and for the pipeline to cold head (2) cooling refrigeration；

Inert gas high-frequency electric knife device and refrigerating plant are integrated in integral.

2. one kind according to claim 1 can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that:Radio-frequency electrode (1) the external left end in cold head (2).

3. one kind according to claim 1 or 2 can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that:Including left end With central tube (3), the inner sleeve (4) being sleeved on central tube (3), centrally disposed pipe (3) left end being connected on the right side of cold head (2) Or throttle orifice (15) on lateral wall, the first refrigerant passage (21) for being arranged in inner sleeve (4) endoporus and centrally disposed Manage the second refrigerant passage (22) between (3) and inner sleeve (4)；Cold head (2) is tightly connected with inner sleeve (4) left end；

First refrigerant passage (21) is connected by throttle orifice (15) with the second refrigerant passage (22).

4. one kind according to claim 3 can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that:In inner sleeve (4) On be set with outer tube (5), inert gas passage (16) is provided between inner sleeve (4) and outer tube (5)；Along outer tube (5) axis projection, outer tube (5) surrounds radio-frequency electrode (1) and set.

5. one kind according to claim 4 can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that:In outer tube (5) right-hand member is provided with guide holder (6), and fixed seat (8) is set with outer tube (5), before fixed seat (8) left end is provided with Be oriented to male half coupling (7), guide holder (6) along it is leading to male half coupling (7) slide set, guide holder (6) with it is leading to male half coupling (7) Between be provided with sliding ring (17)；

Central tube (3), inner sleeve (4) and outer tube (5) are flexible pipe.

6. one kind according to claim 5 can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that:In guide holder (6) Or the ventilating joint (9) for connecting noble gas source is provided with fixed seat (8), ventilating joint (9) leads to inert gas Road (16) is connected.

7. one kind according to claim 6 can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that:In fixed seat (8) Connector (12) is provided with right-hand member inner stopper, right-hand member is provided with tailstock quick-release connector (13) in connector (12), in connector (12) the external compression set (10) and inner support set (11) for compressing inner sleeve (4) right-hand member are provided with, in the outer of central tube (3) Insulated enclosure set (14) is provided between side wall and tailstock quick-release connector (13) endoporus side wall；

The passage (19) connected with the second refrigerant passage (22) is provided with connector (12) or tailstock quick-release connector (13).

8. one kind according to claim 7 can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that:Cold head (2) is Silver, copper, stainless steel or titanium, central tube (3) are metal hose, and inner sleeve (4) is polyfluortetraethylene pipe, nylon with outer tube (5) Pipe or rubber tube；Inner support set (11) is insulation sleeve.

9. one kind according to claim 3 can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that:Central tube (3) Right-hand member and power electric connection.

10. one kind according to claim 1 can lead to the flexible cold and hot scalpel of argon gas, it is characterised in that:The indifferent gas Body is argon gas.