CN101843523A

CN101843523A - Radio knife

Info

Publication number: CN101843523A
Application number: CN 201010186050
Authority: CN
Inventors: 苏英; 黄海军
Original assignee: ZHEJIANG SHUYOU SURGICAL INSTRUMENT EQUIPMENT CO Ltd
Current assignee: ZHEJIANG SHUYOU SURGICAL INSTRUMENT EQUIPMENT CO Ltd
Priority date: 2010-05-28
Filing date: 2010-05-28
Publication date: 2010-09-29

Abstract

The invention relates to a radio knife which comprises a knife handle; the front end of the knife handle is provided with a knife head, and the knife handle is internally provided with a catheter the rear end of which is communicated with a flushing pipe and a suction pipe; and the inner walls of the catheter, the flushing pipe and the suction pipe are provided with spiral grooves. The radio knife can realize the functions of the suction pipe and the flushing pipe by the single pipe, has simple structure, and is conveniently switched for use; the radio knife has strong suction force, rapid suction speed and good effect, avoids residual suction matter returning back to the wound when in flushing so as to have good flushing effect, and also can make the actions such as blunt cutting, scraping, poking and the like so as to have rich functions; and furthermore, the radio knife can adjust the suction and flushing range and strength, thus being capable of adapting to the requirements of different operations.

Description

A kind of radioknife

Technical field

The present invention relates to medical instruments field, relate in particular to a kind of radioknife.

Background technology

In the prior art, use the scalpel of high-frequency electrical to have TURP and electric function of coagulating, tissue is cut, damaged and stops blooding by high-frequency electrical energy.But this scalpel can produce a large amount of smog when carrying out electricity cutting, hinders medical worker's sight line; Can produce tissue debris, bloodstain the like waste simultaneously, need water to wash.The patent No. a kind of multifunctional high frequency electric mes that has been 92219725.3 patent disclosure, integrated syringe pipe and suction pipe in the handle of a knife of scalpel, be connected with flushing liquor container and extractor by flexible pipe respectively, can realize on the function basis that scalpel TURP and electricity coagulate, draw smog, tissue debris, bloodstain the like waste, also can wash simultaneously at wound surface, but this scalpel structure complexity, use inconvenience, absorption and developing result are relatively poor.

Summary of the invention

The present invention provides a kind of radioknife effective, easy to use, simple in structure for solving the prior art problem.

Technical scheme of the present invention is: a kind of radioknife, comprise handle of a knife, and the handle of a knife front end is provided with cutter head, is provided with conduit in the handle of a knife, and rear end of conduit is communicated with syringe pipe and suction pipe, and described conduit, syringe pipe and suction pipe inwall are provided with spiral groove.

Single conduit realizes drawing smog, tissue debris the like waste and two functions of flushing wound, and structure is simpler; Conduit, syringe pipe and suction pipe inwall are provided with spiral groove, during absorption, according to the theory in the hydrodynamics, groove structure can reduce fluidic dynamic viscosity coefficient, reduce fluidic viscosity greatly, increase the captivation in the suction process effectively, and the groove of screw structure can make the air fluid of being close to inside pipe wall produce vortex in suction process, according to Ku Ta-Joukowski theorem, vortex can produce induced velocity, air fluid to tube hub axle place produces thrust, further promotes the speed of drawing air, promotes the effect of drawing smog and garbage; During flushing, groove can stop the garbage that remains in the pipe, avoids the tissue debris the like waste to follow flushing liquor and flows back to wound, pollutes wound, promotes developing result.

Preferred as the present invention, the mouth of pipe of described catheter proximal end is an angle.

The front end of conduit is the angle structure, can play blunt function such as cut, scrape, dial in operation process.

Preferred as the present invention, described handle of a knife is provided with slide key, and described conduit can be elastic under the control of described slide key.

Preferred as the present invention, described cutter head is nested with in described conduit, and conduit flexible makes the point of a knife of cutter head at the mouth of pipe that exposes conduit with do not expose between the mouth of pipe two states of conduit and switch.

Need to use cutter head to carry out TURP, when electricity coagulates,, make the point of a knife of cutter head expose catheter proximal end the conduit withdrawal; Carry out bluntly cutting, scrape, when dialling, conduit being stretched out when needs use catheter proximal end, make the point of a knife of cutter head not expose catheter proximal end.Simultaneously conduit protract and after contract also can adjust and draw and the scope and the intensity size of flushing, when conduit protracted, the front end mouth of pipe of conduit was near wound, drew and the scope of flushing is dwindled, simultaneously strength-enhanced; When contracting behind the conduit, the front end mouth of pipe of conduit is away from wound, draws and the expanded range of flushing, and intensity reduces simultaneously.

Preferred as the present invention, the rear end of described handle of a knife is provided with three-way valve, described three-way valve is connected with conduit, syringe pipe and suction pipe respectively, and three-way valve is provided with options button, and options button is by the described conduit of switching controls and syringe pipe connection or conduit and suction pipe connection.Can realize the switching of drawing and washing by controlling options button on the three-way valve simply, convenient and swift.

Preferred as the present invention, described handle of a knife rear end is provided with locking device, and handle of a knife is fixedlyed connected with three-way valve by locking device.Locking device is fastened on the handle of a knife rear end with three-way valve.

Preferred as the present invention, described conduit is made of metal, and the outer wall of conduit is with insulating barrier.

Preferred as the present invention, described handle of a knife is provided with button, and the handle of a knife rear end is connected with lead, and described lead is electrically connected by button and described cutter head and conduit.Lead connects the high-frequency electrical generating means, high frequency conductance to the point of a knife and the mouth of pipe, is undergone surgery electric break-make between button may command lead and cutter head and the conduit.

In sum, the present invention has the following advantages:

1, single tube is realized drawing and washing capacity, and is simple in structure, switches easy to use;

2, suction force is strong, and capture velocity is fast, and is effective;

Can avoid residual absorption thing to return wound when 3, washing, developing result is good;

4, also can carry out blunt action such as cut, scrape, dial, feature richness;

5, can adjust scope and the intensity of drawing and washing, to adapt to different requirements of operation.

Description of drawings

Fig. 1 is a schematic perspective view of the present invention;

Fig. 2 is the partial enlarged drawing of A among Fig. 1;

Fig. 3 is the topography of B among Fig. 1;

Fig. 4 is the topography of C among Fig. 1;

Fig. 5 is the topography of D among Fig. 1.

Among the figure, 1, handle of a knife, 11, cutter head, 12, conduit, 13, insulating barrier, 14, point of a knife, 15, the mouth of pipe, 16, groove, 21, button, 22, slide key, 23, lead, 24, function indicates, 31, locking device, 32, three-way valve, 33, options button, 34, syringe pipe, 35, suction pipe.

The specific embodiment

The invention will be further described with embodiment below in conjunction with accompanying drawing.

Embodiment one:

A kind of radioknife as shown in Figure 1, comprises handle of a knife 1, and the front end of handle of a knife 1 is equipped with the conduit 12 of titanium system, and as shown in Figure 2, conduit 12 internal sleeve are equipped with the cutter head 11 of titanium system, and conduit 12 outer cover are shaped on insulating barrier 13; Handle of a knife 1 is provided with slide key 22, and slide key 22 is connected with conduit 12, and control conduit 12 carries out elastic, when conduit 12 withdrawals, the point of a knife 14 of cutter head 11 is exposed to outside the mouth of pipe 15 of conduit 12, and when conduit 12 stretched out, the point of a knife 14 of cutter head 11 was hidden within the mouth of pipe 15 of conduit 12; Also be provided with button 21 on the handle of a knife 1, button 21 next doors have function to indicate 24, and the rear end of handle of a knife 1 is provided with lead 23, and by the control of button 21, lead 23 is connected with cutter head 11 with conduit 12 respectively or disconnects; The rear end of handle of a knife 1 is provided with locking device 31, locking device 31 is fixedly connected on three-way valve 32 at the rear portion of handle of a knife 1, three-way valve 32 is connected with conduit 12, syringe pipe 34 and suction pipe 35 respectively, three-way valve 32 is provided with options button 33, control by options button 33, conduit 12 or be connected with syringe pipe 34, or be connected with suction pipe 35; Shown in Fig. 3,4,5, the inwall of conduit 12, syringe pipe 34 and suction pipe 35 is provided with spiral groove 16.

Before the operation, lead 23 is connected the high-frequency electrical device, syringe pipe 34 is communicated with the flushing liquor apparatus for placing, and suction pipe 35 is communicated with the vacsorb device; During operation, stir options button 33, conduit 12 is communicated with suction pipe 34, spur slide key 22 simultaneously, make conduit 12 withdrawals, the point of a knife 14 of cutter head 11 stretches out outside the mouth of pipe 15 of conduit 12, and the control button carries out TURP, electricity with fixed attention, promote slide key 22, make in the point of a knife 14 retraction conduits 12, use the mouth of pipe 15 to carry out bluntly cutting, scrape, dialling, the smog that produces in tissue debris the like waste that cuts or scrape and the cutting process is absorbed by the mouth of pipe 15, conduit 12; After a part is carried out in operation, stir options button 33, conduit 12 is communicated with syringe pipe 35, wound site is washed, to carry out next step operation.

Embodiment two:

Be that with the difference of embodiment one cutter head 11 and conduit 12 are made by rustless steel.

Claims

1. radioknife, comprise handle of a knife (1), handle of a knife (1) front end is provided with cutter head (11), be provided with conduit (12) in the handle of a knife (1), it is characterized in that: conduit (12) rear end is communicated with syringe pipe (34) and suction pipe (35), and described conduit (12), syringe pipe (34) and suction pipe (35) inwall are provided with spiral groove (16).

2. according to the described radioknife of claim 1, it is characterized in that: the mouth of pipe (15) of described conduit (12) front end is an angle.

3. according to the described radioknife of claim 2, it is characterized in that: described handle of a knife (1) is provided with slide key (22), and described conduit (12) can be elastic under the control of described slide key (22).

4. according to the described radioknife of claim 3, it is characterized in that: described cutter head (11) is nested with in described conduit (12), and conduit (12) flexible makes the point of a knife of cutter head (11) at the mouth of pipe that exposes conduit (12) (15) with do not expose between the mouth of pipe (15) two states of conduit (12) and switch.

5. according to the described radioknife of claim 1, it is characterized in that: the rear end of described handle of a knife (1) is provided with three-way valve (32), described three-way valve (32) is connected with conduit (12), syringe pipe (34) and suction pipe (35) respectively, three-way valve (32) is provided with options button (33), and options button (33) is communicated with by described conduit of switching controls (12) and syringe pipe (34) or conduit (12) and suction pipe (35) connection.

6. according to the described radioknife of claim 5, it is characterized in that: described handle of a knife (1) rear end is provided with locking device (31), and handle of a knife (1) is fixedlyed connected with three-way valve (32) by locking device (31).

7. according to the described radioknife of claim 1, it is characterized in that: described conduit (12) is made of metal, and the outer wall of conduit (12) is with insulating barrier.

8. according to the described radioknife of claim 7, it is characterized in that: described handle of a knife (1) is provided with button (21), and handle of a knife (1) rear end is connected with lead, and described lead is electrically connected by button (21) and described cutter head (11) and conduit (12).