CN204909632U - Medical electricity is cut and is congealed device with electricity - Google Patents

Abstract

The utility model provides a medical electricity is cut and is congealed device with electricity, includes that snare, connecting pipe, insulation support, epitheca pipe, electricity congeal electrode, haulage rope, handle seat, sealing device, pipe, the joint of ventilating, circular telegram joint and handle, epitheca pipe near -end is connected with the handle seat, and insulation support congeals the electrode with the electricity and all is fixed in epitheca pipe distal end inner wall, and the snare passes through the connecting pipe to be connected with the haulage rope distal end, haulage rope near -end and pipe connection, pipe passed through behind the sealing device with the articulate of switching on, be provided with the joint of ventilating on the handle seat, but the handle assembles on the handle seat reciprocating motion. The utility model discloses possess simultaneously that the electricity is cut, the electricity congeals, the edge electricity is cut the electricity and is congealed three kinds of functions, have simple structure, convenient operation's advantage simultaneously to shorten operation time, reduce the operation degree of difficulty, practice thrift the treatment cost and use.

Description

A kind of medical TURP and electric coagulation device

Technical field

This utility model relates to a kind of strangling for digestive tract, respiratory tract polyp or tumor and removes, burns, cuts, and synchronously realizes the medical apparatus of coagulation function.Belong to medical instruments field.

Background technology

Routine makes electricity consumption snare extract digestive tract, respiratory tract polyp or tumor under scope, and its principle utilizes high frequency electric the tissue touching snare is produced high heat and is burnt cut-out, the also thoroughly hemostasis of the complete polyp of excision rapidly.

Traditional electric snare excision polyp, often along with in art/postoperative hemorrhage.For anticoagulant therapy patient, carrying out operation consent often needs to withdraw anticoagulation, this further increases hemorrhage risk.Conventional intraoperative hemorrhage, or use argon jet pipe electric coagulation hemostasis; Or use spray line or entry needle, spray to bleeding part or injectable drug hemostasis; Or use the apparatus clamping bleeding part hemostasis such as hemostatic clamp, etc.

In addition, in operation, the edge tissues of part may be had to remain and edge oozing of blood.Traditional electric snare, cannot implement excision and hemostasis operation to above-mentioned situation.Now change special apparatus, such as needle-like cutter etc. complete aforesaid operations.

Aforesaid operations mode, adds the apparatus kind of use, increases operating theater instruments swap time and operation easier, increase the medical expense of patient.

Utility model content

In order to solve the problems referred to above of prior art, this utility model provides a kind of novel medical TURP and electric coagulation device, in operation process, not only can realize strangling digestive tract, respiratory tract polyp or tumor and remove, burn, cut, synchronously realize blood coagulation, and can edge residual tissue carry out excising and electric coagulation hemostasis is carried out at oozing of blood position, edge.There is function i ntegration, structure is simple, easy to operate feature, shorten operating time and lower operating difficulty, saving medical expense.

To achieve these goals, the technical scheme that this utility model adopts is:

A kind of medical TURP and electric coagulation device, comprise snare, connection tube, insulated sleeve, outer sheath, coagulating electrode, pull rope, handle set, sealing device, conduit, ventilating joint, energising joint and hands handle; Outer sheath near-end is connected with handle set, insulated sleeve and coagulating electrode are all fixed on outer sheath far-end inwall, snare is connected with pull rope far-end by connection tube, pull rope near-end and tubes connection, be connected with energising joint after tube passing therethrough crosses sealing device, handle set is provided with ventilating joint, and handle to be assemblied on handle set and reciprocally to push dynamic.

Snare, connection tube, outer sheath, pull rope, handle set, conduit, energising joint and handle composition TURP unit; When enabling TURP function, handle driven forward snare stretches out outer sheath distal face completely, and energising joint and high frequency electric source are connected, and pull back handle along handle set, snare progressively tightens up, and implements TURP.

Snare, connection tube, insulated sleeve, outer sheath, coagulating electrode, pull rope, handle set, sealing device, conduit, ventilating joint, energising joint and handle composition coagulation unit; When enabling coagulation function, handle pulls back snare along handle set, makes it take in completely in outer sheath, now snare contacts with coagulating electrode, and energising joint and high frequency electric source are connected, and ventilating joint is connected with the air accumulator that noble gas is housed, noble gas is ionized at coagulating electrode place, implements coagulation.

Snare, connection tube, outer sheath, pull rope, handle set, conduit, energising joint and handle composition edge TURP coagulation unit; When enabling edge TURP and coagulation function, handle is along handle set driven forward, and snare part stretches out outer sheath, and energising joint and high frequency electric source are connected, and implements edge cuts and coagulation.

Further, snare described in the utility model, connection tube, insulated sleeve, outer sheath, coagulating electrode, pull rope, handle set, sealing device, conduit, handle are all installed along outer sheath length axes direction.

Further, snare described in the utility model is when handle moves to reach certain position along handle set, and snare can all be taken in outer sheath, and contacts with coagulating electrode.Now energising joint and high frequency electric source are connected, and ventilating joint is connected with the air accumulator that noble gas is housed, and noble gas is ionized at coagulating electrode place, and ionized gas is sprayed to destination organization, reaches blood coagulation object.

Further, snare described in the utility model is when handle moves to reach certain position along handle set, and snare can stretch out outer sheath distal face completely and open completely.Now snare is entangled the root of target cutting part, energising joint and high frequency electric source are connected, and withdraw handle and progressively tighten up snare, realize the object of excision polyp, tumor.Snare requires the function with shape recovery.

Further, insulated sleeve described in the utility model is the cylinder of the T-shaped cylinder of hollow outer or the straight type of hollow outer.Hollow structure facilitates snare at internal motion, and outside cylinder that is T-shaped or straight type is used for being fixed on outer sheath inwall.

Further, the material that insulated sleeve material described in the utility model is electric insulation, high temperature resistant, biocompatibility is good, such as pottery, politef etc.In operation process, the material of electric insulation can prevent tissue by unexpected electric shock, and resistant to elevated temperatures material can prevent the high-temperature damage outer sheath produced during coagulation.

Further, insulated sleeve outer surface part described in the utility model or all with outer sheath remote outlet place contact internal walls.

Further, the little external diameter surface of the T-shaped cylinder of insulated sleeve described in the utility model and outer sheath remote outlet place contact internal walls, connect shoulder and the outer sheath remote outlet end contact of large external diameter and little external diameter.Aforesaid way is in order to realize fixing between insulated sleeve and outer sheath.

Further, coagulating electrode described in the utility model is hollow tubular structure, or has the hollow tubular structure that pin stretches out.Hollow structure facilitates snare at internal motion.The least significant end of pin can extend the position of the outer sheath far-end mouth of pipe, also extend to the outer sheath far-end mouth of pipe by gas ionization position, noble gas can ionize herein, increases ionizing efficiency, strengthen ionization effect, widen the distance of the epitheca mouth of pipe and tissue as far as possible.

Further, coagulating electrode structure described in the utility model is the spring-like cylinder of filament coiling, or is the thin cylinder of the overall machining of metal material.

Further, coagulating electrode outer surface described in the utility model and outer sheath far-end contact internal walls, adjacent with insulated sleeve, between the two at a certain distance.Spacing distance is 0-50mm.Coagulating electrode position opposing insulation sleeve pipe, closer to handle end.

Further, coagulating electrode material described in the utility model is high temperature resistant, conductive material, such as tungsten alloy etc.Noble gas is ionized into ion by high-frequency high-voltage current herein.

Further, snare material described in the utility model is sub-thread silk material or multiply braided wires material.

Further, snare material described in the utility model is the material that electric conductivity is good, high temperature resistant, flexible, biocompatibility is good, and material is as rustless steel, NiTi etc.When snare tightens up, need energy close contact coagulating electrode, ensure traffic clearance; When snare stretches out and opens, need to be opened fully to setting open-width.

Further, the snare of multiply braided wires described in the utility model, the multiply braided wires that material can be made for single material, such as the multiply braided wires etc. of rustless steel or ferronickel material; Or be the multiply braided wires of multiple material compound, such as rustless steel adds ferronickel multiply composite braiding thread etc.

Further, outer sheath described in the utility model is the structure of hollow tubular, both ends open.Outer sheath remote outlet place connects insulated sleeve, proximal outlet place connecting handle seat.

Further, the single material pipe that outer sheath material described in the utility model is electric insulation, greasy property is good, good mechanical properties, biocompatibility are good or MULTILAYER COMPOSITE tubing, such as polyfluortetraethylene pipe, nylon tube etc.; Or ectonexine is one or more polymer composites, middle level is braiding webmaster wiry etc.Outer sheath needs the protection surrounding tissue when being energized not to be electrically shocked, material requirements electric insulation; Its outside need passes through endoscopic forceps channel, the inner passage for pull rope back and forth movement, and material requirements greasy property is well to reduce frictional resistance; At device in use, outer sheath will bear certain tensile force and folding force, and especially behind position bending especially, stressing conditions is more severe, and material requirements possesses excellent mechanical performances; Material require and human contact, need to possess good biocompatibility.

Further, ventilation tract described in the utility model is completely cut off by sealing device and the luminal portion that is energized, and conduit passes through ventilation tract, is connected with energising joint from middle the passing of sealing device again.

Further, sealing device described in the utility model partly or entirely uses silica gel material to make, and installs with on handle set.

Further, pull rope described in the utility model is elementary wires or strands of metal wire, needs to ensure certain mechanical strength, flexibility and good electric conductivity.

Further, ventilating joint described in the utility model is arranged on handle set.Ventilating joint is the inert gas entrance of device.

Further, energising joint described in the utility model is arranged on handle.Energising joint is the high frequency electric source interface of device.

Further, handle described in the utility model along handle set axially-movable, control snare move into.

Compared with the existing technology comparatively, this utility model takes the beneficial effect of technique scheme to be: in operation process, use a kind of device, not only can realize strangling digestive tract, respiratory tract polyp or tumor and remove, burn, cut, synchronously realize blood coagulation, and can edge residual tissue carry out excising and edge oozing of blood part carries out electric coagulation hemostasis.There is function i ntegration, structure is simple, easy to operate feature, shorten operating time and lower operating difficulty, saving medical expense.

Accompanying drawing explanation

In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Fig. 1 is population structure schematic diagram.

Fig. 2 is outer sheath distal structure enlarged drawing when snare is regained, device is in coagulation state.

Fig. 3 is that snare part is stretched out, outer sheath distal structure enlarged drawing when device is in edge TURP and coagulation state.

Fig. 4 a ~ c is coagulating electrode structure and assembles schematic diagram with outer sheath.

Fig. 5 a ~ c be insulating sleeve structure and with outer sheath assembly structure schematic diagram.

Fig. 6 is ventilation tract part-structure schematic diagram.

In figure, 1. snare, 101. heads, 2. connection tube, 3. insulated sleeve, 3a.T type cylinder, the straight type cylinder of 3b., 4. outer sheath, 5. coagulating electrode, 501a. spring-like cylinder, the overall thin cylinder of 501b., 502. pins, 6. pull rope, 7. handle set, 8. sealing device, 9. conduit, 10. ventilating joint, 11. energising joints, 12. handles, 13. high frequency electric sources, 14. air accumulators, 15. ventilation tracts, 16. energising tracts.

Detailed description of the invention

Referring now to accompanying drawing, the utility model is described in further detail.

As shown in Figure 1, a kind of medical TURP and electric coagulation device, comprise snare 1, connection tube 2, insulated sleeve 3, outer sheath 4, coagulating electrode 5, pull rope 6, handle set 7, sealing device 8, conduit 9, ventilating joint 10, energising joint 11 and handle 12.Outer sheath 4 near-end is connected with handle set 7; Insulated sleeve 3 and coagulating electrode 5 are all fixed on outer sheath 4 far-end inwall; Coagulating electrode 5 is adjacent with insulated sleeve 3, and between the two at a certain distance, distance is at 0-50mm; Coagulating electrode 5 position opposing insulation sleeve pipe 3, closer to handle 12; Snare 1 is connected with pull rope 6 far-end by connection tube 2, and pull rope 6 near-end is connected with conduit 9; After conduit 9 passes over sealing device 8, be connected with energising joint 11; Ventilating joint 10 is arranged on handle set 7, and energising joint 11 is arranged on handle 12; Ventilating joint tract 15 is completely cut off by sealing device 8 and energising joint tract 16; Outer sheath 4 is hollow tubular structures, and distal openings part is connected with insulated sleeve 3, and proximal openings part is connected with handle set 7.Snare 1, connection tube 2, insulated sleeve 3, outer sheath 4, coagulating electrode 5, pull rope 6, handle set 7, sealing device 8, conduit 9, handle 12 are all installed along outer sheath 4 length axes direction.Handle 11, along handle set 7 axially-movable, controls snare 1 and stretches out or enter outer sheath 4.

As shown in Figure 1, snare 1, connection tube 2, outer sheath 4, pull rope 6, handle set 7, conduit 9, energising joint 11 and handle 12 form TURP unit; When enabling TURP function, handle 7 driven forward snare 1 stretches out outer sheath 4 completely, and energising joint 11 is connected with high frequency electric source 13, and pull back handle 11 along handle set 7, snare 1 progressively tightens up, and implements TURP operation.

As shown in Figure 2, snare 1, connection tube 2, insulated sleeve 3, outer sheath 4, coagulating electrode 5, pull rope 6, handle set 7, sealing device 8, conduit 9, ventilating joint 10, energising joint 11 and handle 12 form coagulation unit; When enabling coagulation function, handle 12 pulls back snare 1 along handle set 7, it is made to take in outer sheath 4 completely, now snare 1 contacts with coagulating electrode 5, energising joint 11 is connected with high frequency electric source 13, ventilating joint 10 is connected with the air accumulator 14 that noble gas is housed, and noble gas is ionized at outer sheath 4 far distance port coagulating electrode 5 place, implements coagulation operation.

As shown in Figure 3, snare 1, connection tube 2, outer sheath 4, pull rope 6, handle set 7, conduit 9, energising joint 11 and 12 one-tenth, handle edge TURP coagulation unit; When enabling edge TURP and coagulation function, handle 12 is along handle set 7 driven forward, and snare 1 part stretches out outer sheath 4, forms " minute hand shape " head 101, and energising joint 11 is connected with high frequency electric source 13, implements cut edge to cut and coagulation operates by head 101.

As shown in Fig. 4 a, Fig. 4 b and Fig. 4 c, insulated sleeve 3 profile is the T-shaped cylinder 3a of hollow outer, or hollow outer straight type cylinder 3b.As shown in fig. 4 a, when insulated sleeve 3 is 3a structure, the little external diameter surface of T-shaped cylinder and outer sheath remote outlet place contact internal walls, connect shoulder and the outer sheath remote outlet end contact of large external diameter and little external diameter.As shown in Figure 4 b, when insulated sleeve 3 is 3b structure, the cylindrical outer surface part of straight type and outer sheath 4 remote outlet place contact internal walls.As illustrated in fig. 4 c, when insulated sleeve 3 is 3b structure, the cylindrical outer surface of straight type all with outer sheath 4 remote outlet place contact internal walls.

As shown in Figure 5 a, coagulating electrode 5 is hollow tubular structure, without pin.As shown in Figure 5 b, the coagulating electrode 5 spring-like cylinder 501a that is filament coiling.Or as shown in Figure 5 c, coagulating electrode 5 is the thin cylinder 501b of the overall machining of metal material.For increasing ionizing efficiency, strengthening ionization effect, widening the distance of outer sheath and tissue as far as possible, pin 502 can be set.The extending position to the outer sheath far-end mouth of pipe of pin 502 end, noble gas is ionized herein.

As shown in Figure 6, outer sheath 4 near-end is connected with handle set 7, pull rope 6 near-end is connected with conduit 9, sealing device 8 is installed on handle set 7, ventilating joint 10 is arranged on handle set 7, and energising joint 11 is arranged on handle 12, and ventilating joint tract 15 is completely cut off by sealing device 8 and energising joint tract 16, conduit 9 passes through ventilation tract 15, is connected with energising joint 11 from middle the passing of sealing device 8 again, and handle 12 can reciprocatingly slide on handle set 7.Due to the effect of sealing device 8, the gas in ventilation tract 15 can not leak to energising tract 16, but distally flows along ventilation tract 15, gap between outer sheath 4 and pull rope 6.

In use procedure, doctor as required, when selecting TURP, coagulation, edge TURP coagulation function, by the slip of driving handle 12 at handle set 7, controls the position of snare 1, switches on power as required respectively and source of the gas, realize above-mentioned functions.

This utility model has function i ntegration, structure is simple, easy to operate feature, shortens operating time and lowers operating difficulty, saving the advantage of medical expense.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses this utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (25)

1. medical TURP and an electric coagulation device, is characterized in that, comprises snare (1), connection tube (2), insulated sleeve (3), outer sheath (4), coagulating electrode (5), pull rope (6), handle set (7), sealing device (8), conduit (9), ventilating joint (10), energising joint (11) and handle (12), outer sheath (4) near-end is connected with handle set (7), insulated sleeve (3) and coagulating electrode (5) are all fixed on outer sheath (4) far-end inwall, snare (1) is connected with pull rope (6) far-end by connection tube (2), pull rope (6) near-end is connected with conduit (9), conduit (9) passes through ventilation tract (15) and is connected with energising joint (11) in the middle of sealing device (8), handle set (7) is provided with ventilating joint (10), handle (12) is assemblied in the upper also reciprocable of handle set (7), ventilation tract (15) is completely cut off by sealing device (8) and energising joint tract (16), described snare (1), connection tube (2), outer sheath (4), pull rope (6), handle set (7), conduit (9), energising joint (11) and handle (12) composition TURP unit, when enabling TURP function, handle (12) driven forward snare (1) stretches out outer sheath (4) distal face completely, energising joint (11) and high frequency electric source (13) are connected, handle (12) is pulled back along handle set (7), snare (1) progressively tightens up, and implements TURP, described snare (1), connection tube (2), insulated sleeve (3), outer sheath (4), coagulating electrode (5), pull rope (6), handle set (7), sealing device (8), conduit (9), ventilating joint (10), energising joint (11) and handle (12) composition coagulation unit, when enabling coagulation function, handle (12) pulls back snare (1) along handle set (7), it is made to take in outer sheath (4) completely, now snare (1) contacts with coagulating electrode (5), energising joint (11) and high frequency electric source (13) are connected, ventilating joint (10) is connected with the air accumulator (14) that noble gas is housed, and noble gas is ionized at coagulating electrode (5) place, implements coagulation, described snare (1), connection tube (2), outer sheath (4), pull rope (6), handle set (7), conduit (9), energising joint (11) and handle (12) composition edge TURP coagulation unit, when enabling edge TURP coagulation function, handle (12) is along handle set (7) driven forward, and snare (1) part stretches out outer sheath (4), and energising joint (11) and high frequency electric source (13) are connected, and implements edge cuts and coagulation.

2. a kind of medical TURP as claimed in claim 1 and electric coagulation device, it is characterized in that, described snare (1), connection tube (2), insulated sleeve (3), outer sheath (4), coagulating electrode (5), pull rope (6), handle set (7), sealing device (8), conduit (9), handle (12) are all installed along outer sheath (4) length axes direction.

3. a kind of medical TURP as claimed in claim 1 and electric coagulation device, it is characterized in that, described snare (1) is when handle (12) moves to reach certain position along handle set (7), and snare (1) can all be taken in outer sheath (4), and contacts with coagulating electrode (5).

4. a kind of medical TURP as claimed in claim 1 and electric coagulation device, it is characterized in that, described snare (1) is when handle (12) moves to reach certain position along handle set (7), and snare (1) can stretch out outer sheath (4) distal face completely and open completely.

5. a kind of medical TURP as claimed in claim 1 and electric coagulation device, is characterized in that, the cylinder that described insulated sleeve (3) is the T-shaped cylinder of hollow outer or the straight type of hollow outer.

6. a kind of medical TURP as claimed in claim 1 and electric coagulation device, is characterized in that, described insulated sleeve (3) material is pottery or politef.

7. a kind of medical TURP as claimed in claim 1 and electric coagulation device, is characterized in that, described insulated sleeve (3) outer surface part or all with outer sheath (4) remote outlet place contact internal walls.

8. a kind of medical TURP as claimed in claim 1 and electric coagulation device, it is characterized in that, the little external diameter surface of described insulated sleeve (3) T-shaped cylinder and outer sheath (4) remote outlet place contact internal walls, connect shoulder and outer sheath (4) the remote outlet end contact of large external diameter and little external diameter.

9. a kind of medical TURP as claimed in claim 1 and electric coagulation device, is characterized in that, described coagulating electrode (5) is hollow tubular structure, or the hollow tubular structure having pin to stretch out.

10. a kind of medical TURP as claimed in claim 1 and electric coagulation device, is characterized in that, the spring-like cylinder that described coagulating electrode (5) is filament coiling, or be the thin cylinder of the overall machining of metal material.

11. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, is characterized in that, described coagulating electrode (5) outer surface and outer sheath (4) far-end contact internal walls are adjacent with insulated sleeve (3), between the two at a certain distance.

12. medical TURP as claimed in claim 11 and electric coagulation devices, is characterized in that, described coagulating electrode (5) is 0 to 50mm with the spacing distance of insulated sleeve (3).

13. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, is characterized in that, described coagulating electrode (5) position opposing insulation sleeve pipe (3), closer to handle (12).

14. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, it is characterized in that, described coagulating electrode (5) material is tungsten alloy.

15. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, is characterized in that, described snare (1) material is sub-thread silk material or multiply braided wires material.

16. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, it is characterized in that, described snare (1) material is rustless steel and NiTi.

17. a kind of medical TURP as claimed in claim 15 and electric coagulation devices, is characterized in that, the snare (1) of described multiply braided wires, and material is rustless steel or ferronickel single material multiply braided wires, or add ferronickel composite multiply braided wires for rustless steel.

18. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, is characterized in that, described outer sheath (4) is hollow tubular, the structure of both ends open.

19. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, is characterized in that, described outer sheath (4) material is that politef or nylon tube or ectonexine are macromolecular material, middle level is braiding webmaster wiry.

20. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, is characterized in that, described sealing device (8) partly or entirely uses silica gel material to make.

21. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, it is characterized in that, described sealing device (8) is installed on handle set (7).

22. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, is characterized in that, described pull rope (6) is sub-thread or multiply conductive wire.

23. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, is characterized in that, described ventilating joint (10) is arranged on handle set (7).

24. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, is characterized in that, described energising joint (11) is arranged on handle (12).

25. a kind of medical TURP as claimed in claim 1 and electric coagulation devices, it is characterized in that, described handle (12) is along handle set (7) axially reciprocating.