CN212650908U - Electric coagulation forceps with smoke suction device - Google Patents

Abstract

The utility model relates to a take smoking device's electricity congeals pincers, be equipped with the fourth pivot between activity pincers handle and the fixed pincers handle, be equipped with in the fixed pincers handle and rotate the interior axle of being connected with the activity pincers handle, the one end of fixed pincers handle is equipped with the insulating tube, interior axle position is flexible in the insulating tube, the one end of insulating tube is rotated and is connected with first pincers and second pincers, insulating tube one end is equipped with the inlet port, interior axle is equipped with sealed movable part in the fixed pincers handle, still be equipped with the communicating pipe with sealed movable part intercommunication in the fixed pincers handle, be equipped with the inner chamber with air inlet and sealed movable part intercommunication in the insulating tube, be equipped with the intercommunication valve with communicating pipe intercommunication in the fixed pincers handle, intercommunication valve one end is connected with the pipe of discharging fume, still be equipped with the switch that the control intercommunication valve opened. The utility model discloses a smoke at the foremost end of electric coagulation forceps, so not only can accomplish normal hemostasis purpose and can also get rid of the smog that the blood vessel produced is burnt in the electric coagulation.

Description

Electric coagulation forceps with smoke suction device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an electric coagulation forceps with a smoke suction device.

Background

The electric coagulation forceps are used as common tools in minimally invasive surgery and are mainly used for hemostasis under an endoscope, and the principle is that specific waveforms and specific load power sent by a high-frequency generator are utilized, the electric coagulation forceps act on the surface of tissue of a patient, so that the blood vessel wall is dehydrated and shrunk, blood in the blood vessel is coagulated, and the blood vessel and blood clots are integrated into a whole, and the aim of effectively stopping bleeding is achieved.

The existing electrocoagulation pliers can generate a certain amount of smoke when cauterizing blood vessels or tissues, which can affect the operation visual field and cause operation difficulty, and extra smoke removal is needed to complete the operation, so that the development of the electrocoagulation pliers with a smoke suction device is urgently needed to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take smoking device's electricity congeals pincers to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an electrocoagulation clamp with a smoke suction device comprises a fixed clamp handle and a movable clamp handle, wherein a fourth rotating shaft is arranged between the movable clamp handle and the fixed clamp handle, an inner shaft rotatably connected with the movable clamp handle is arranged in the fixed clamp handle, an insulating pipe is arranged at one end of the fixed clamp handle, the inner shaft is positioned in the insulating pipe and stretches out and draws back, one end of the insulating pipe is rotatably connected with a first clamp and a second clamp, the first clamp or the second clamp is connected with one end of the inner shaft far away from the movable clamp handle, one end of the insulating pipe close to the first clamp and the second clamp is provided with an air inlet, a sealing movable assembly is arranged in the fixed clamp handle of the inner shaft, a communicating pipe communicated with the sealing movable assembly is also arranged in the fixed clamp handle, an inner cavity communicated with the air inlet and the sealing movable assembly is arranged in the insulating pipe, a communicating pipe communicated with the communicating pipe is arranged in the fixed clamp handle, one end far away, the fixed clamp handle is also provided with a switch for controlling the opening or closing of the communicating valve, and the smoke exhaust pipe is externally connected with a negative pressure device.

As a further aspect of the present invention: the sealing movable assembly comprises a ventilation sleeve communicated with the communicating pipe and a connecting body communicated with the ventilation sleeve, the connecting body is sleeved on the periphery of the inner shaft, a second sealing ring is arranged between the connecting body and the ventilation sleeve, and a smoking through cavity communicated with the ventilation sleeve is arranged in the connecting body.

As a further aspect of the present invention: the connecting structure is characterized in that a limiting sleeve is arranged on the periphery of the connecting body, external threads are arranged in the limiting sleeve, a sealing bolt head is sleeved on the periphery of the insulating tube, and internal threads matched with the external threads are arranged in the sealing bolt head.

As a further aspect of the present invention: the fixed clamp handle is provided with an annular limiting groove, and the periphery of the connecting body is provided with an annular limiting seat clamped in the annular limiting groove.

As a further aspect of the present invention: the clamp comprises an insulating tube, a fixed clamp handle and a first clamp seat, wherein a second rotating shaft is arranged at one end, away from the fixed clamp handle, of the insulating tube, a first clamp seat is arranged at one end, close to the insulating tube, of the second clamp, the first clamp seat is rotatably connected to the second rotating shaft, a first rotating shaft is arranged on the first clamp seat, the first clamp seat is rotatably connected to the first rotating shaft, and the first clamp seat is rotatably connected to one end, away from the movable clamp handle, of an inner shaft.

As a further aspect of the present invention: an inner sleeve is arranged at one end of the inner shaft close to the first clamping seat and positioned on the periphery of the inner shaft.

As a further aspect of the present invention: the communicating valve comprises a valve body and a valve cavity, the smoke exhaust pipe is communicated with the valve cavity, a sealing plunger piston moving along the valve cavity is arranged in the valve body, and a spring abutting against the inner bottom of the valve body is arranged in the sealing plunger piston.

As a further aspect of the present invention: and a first sealing ring is arranged in the valve body and positioned at the periphery of the sealing plunger.

Compared with the prior art, the beneficial effects of the utility model are that:

1. during the use, the activity pincers handle is rotatory to drive interior axle and is flexible along the insulating tube in, the flexible of interior axle has driven opening or closing of first forceps holder and second forceps holder, interior axle is simultaneously to first forceps holder and second forceps holder power supply, it carries out the electricity coagulation cutting to have realized first forceps holder and second forceps holder, in addition, the switch is opened in the time of the cutting, realize negative pressure device through discharging fume the pipe evacuation, negative pressure in the discharging fume pipe is through the intercommunication valve, communicating pipe and smoking chamber way, the realization is sucked the cigarette of air inlet, the smoking of the foremost end of electricity coagulation pincers has so been realized, so not only can accomplish normal hemostasis purpose and can also get rid of the smog that the blood vessel of electricity coagulation burnt and produced.

2. The second sealing ring is arranged, so that the sealing performance between the ventilation sleeve and the connecting body can be effectively improved, the stability of the electrocoagulation pliers during working can be effectively improved, and the smoke overflow is avoided.

3. Be equipped with limit sleeve through the periphery at connecting body, the internal screw thread that is equipped with of limit sleeve, the sealed bolt head has been cup jointed to the periphery of insulating tube, be equipped with in the sealed bolt head with external screw thread complex internal thread, leakproofness and stability when so can improve between intercommunication valve and the interior axle assembly, and then effectively improved the stability of electricity coagulation pincers work.

4. Through establishing annular spacing groove on fixed pincers handle to establish the annular spacing seat of joint in annular spacing inslot in the periphery of connecting body, so can effectively improve the stability of intercommunication valve installation, the intercommunication valve rocks when avoiding interior axle flexible, has improved the stability of electricity coagulation pincers during operation.

5. The second rotating shaft is arranged at one end, far away from the fixed clamp handle, of the insulating inner tank, the first clamp holder rotates around the second rotating shaft, and the first clamp holder rotates around the first rotating shaft, so that electrocoagulation burnout clamping of the electrocoagulation clamp is achieved, and the stability of the electrocoagulation clamp during working is effectively improved.

6. Through setting up interior sleeve pipe, not only can improve the stability of the flexible activity of interior axle, avoid interior axle to rock at insulating tube tip, effectively improved the stability of electric coagulation forceps during operation.

7. The switch controls the sealing plunger to stretch and retract, so that the valve cavity is respectively connected with the smoke exhaust pipe and the communicating pipe, smoke exhaust control is realized, smoke exhaust can be realized by opening the switch when the electrocoagulation pliers work, the situation that smoke generated by electrocoagulation cauterizing blood vessels interferes with an operation is avoided, and the safety and the efficiency of the operation are improved.

8. Establish first sealing washer through the periphery that just is located sealed plunger in the valve body, the leakproofness when so can guarantee the switch and open or close the intercommunication valve has effectively improved the leakproofness of intercommunication valve when using.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of an electric coagulation forceps with a smoke absorbing device according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a top view of an electrocoagulation pliers with a smoke absorbing device of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at B;

FIG. 6 is an enlarged partial schematic view at C of FIG. 4;

fig. 7 is a partially enlarged view of fig. 4 at D.

In the figure: 1. fixing the clamp handle; 2. an insulating tube; 3. a switch; 4. an air inlet; 5. a movable clamp handle; 6. a smoke exhaust pipe; 7. sealing the movable assembly; 701. a limiting sleeve; 702. an annular limiting groove; 703. a second seal ring; 704. a smoking through cavity; 705. a venting cannula; 706. an external thread; 707. a connecting body; 8. a communication valve; 801. a valve body; 802. a spring; 803. a valve cavity; 804. a first seal ring; 805. sealing the plunger; 9. a first rotating shaft; 10. an inner shaft; 11. an inner sleeve; 12. a first jaw; 13. an inner cavity; 14. a communicating pipe; 15. a second jaw; 16. an annular limiting seat; 17. sealing the bolt head; 18. an internal thread; 19. a fourth rotating shaft; 20. a third rotating shaft; 21. a second rotating shaft; 22. a first jaw mount.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7, in an embodiment of the present invention, an electrocoagulation clamp with a smoke suction device includes a fixed clamp handle 1 and a movable clamp handle 5, a fourth rotation shaft 19 is disposed between the movable clamp handle 5 and the fixed clamp handle 1, an inner shaft 10 rotatably connected to the movable clamp handle 5 is disposed in the fixed clamp handle 1, an insulating tube 2 is disposed at one end of the fixed clamp handle 1, the inner shaft 10 is located in the insulating tube 2 and extends and contracts, one end of the insulating tube 2 is rotatably connected to a first clamp 12 and a second clamp 15, the first clamp 12 or the second clamp 15 is connected to one end of the inner shaft 10 far away from the movable clamp handle 5, an air inlet hole 4 is disposed at one end of the insulating tube 2 close to the first clamp 12 and the second clamp 15, a sealing movable assembly 7 is disposed in the fixed clamp handle 1, a communicating tube 14 communicated with the sealing movable assembly 7 is further disposed in the fixed clamp handle 1, an inner cavity 13 communicated with the air inlet and the sealing movable assembly 7 is disposed in the insulating tube 2, the improved smoke exhaust device is characterized in that a communicating valve 8 communicated with a communicating pipe 14 is arranged in the fixed clamp handle 1, one end, far away from the communicating pipe 14, of the communicating valve 8 is connected with a smoke exhaust pipe 6, a switch 3 for controlling the communicating valve 8 to be opened or closed is further arranged on the fixed clamp handle 1, and the smoke exhaust pipe 6 is externally connected with a negative pressure device. During the use, the movable clamp handle 5 rotates to drive the inner shaft 10 to extend and retract along the insulating tube 2, the first clamp 12 and the second clamp 15 are driven to be opened or closed by the extension and retraction of the inner shaft 10, the inner shaft 10 supplies power to the first clamp 12 and the second clamp 15 simultaneously, the first clamp 12 and the second clamp 15 are subjected to electrocoagulation cutting, in addition, the switch 3 is opened during the cutting, the vacuum device vacuumizes the exhaust pipe 6, the negative pressure in the exhaust pipe 6 passes through the communicating valve 8, the communicating pipe 14 and the smoke suction cavity channel, the smoke at the air inlet is sucked, the smoke at the front end of the electrocoagulation clamp is sucked, the normal hemostasis purpose can be achieved, and smoke generated by electrocoagulation cauterizing blood vessels can be removed.

In this embodiment, the movable sealing assembly 7 includes a vent bushing 705 communicating with the communicating tube 14 and a connecting body 707 communicating with the vent bushing 705, the connecting body 707 is sleeved on the outer periphery of the inner shaft 10, a second sealing ring 703 is disposed between the connecting body 707 and the vent bushing 705, and a smoke vent cavity 704 communicating with the vent bushing 705 is disposed in the connecting body 707. The arrangement of the second sealing ring 703 can effectively improve the sealing performance between the ventilation sleeve 705 and the connecting body 707, so that the stability of the electrocoagulation pliers during working can be effectively improved, and smoke overflow is avoided.

In this embodiment, a limiting sleeve 701 is disposed on the outer periphery of the connecting body 707, an external thread 706 is disposed in the limiting sleeve 701, a sealing bolt head 17 is sleeved on the outer periphery of the insulating tube 2, and an internal thread 18 matched with the external thread 706 is disposed in the sealing bolt head 17. Through being equipped with limit sleeve 701 in the periphery of connecting body 707, be equipped with external screw thread 706 in the limit sleeve 701, the periphery of insulating tube 2 has cup jointed sealing bolt head 17, is equipped with in the sealing bolt head 17 with external screw thread 706 complex internal thread 18, leakproofness and stability when so can improve the assembly between intercommunication valve 8 and the interior axle 10, and then has effectively improved the stability of electricity coagulation forceps work.

In this embodiment, the fixed forceps handle 1 is provided with an annular limiting groove 702, and the connecting body 707 is provided with an annular limiting seat 16 at its outer periphery, which is clamped in the annular limiting groove 702. Through establishing annular spacing groove 702 on fixed pincers handle 1 to establish the spacing seat 16 of joint in annular spacing groove 702 in the periphery of connecting body 707, so can effectively improve the stability of intercommunication valve 8 installation, and intercommunication valve 8 rocks when avoiding interior axle 10 to stretch out and draw back, has improved the stability of electricity coagulation pincers during operation.

In this embodiment, a second rotating shaft 21 is disposed at an end of the insulating tube 2 away from the fixed forceps handle 1, a first forceps holder 22 is disposed at an end of the second forceps holder 15 close to the insulating tube 2, the first forceps holder 22 is rotatably connected to the second rotating shaft 21, a first rotating shaft 9 is disposed on the first forceps holder 22, the first forceps holder 12 is rotatably connected to the first rotating shaft 9, and the first forceps holder 22 is rotatably connected to an end of the inner shaft 10 away from the movable forceps handle 5. The second rotating shaft 21 is arranged at one end, far away from the fixed clamp handle 1, of the insulating inner tank, the first clamp holder 22 rotates around the second rotating shaft 21, and the first clamp 12 rotates around the first rotating shaft 9, so that electrocoagulation burnout clamping of the electrocoagulation clamp is realized, and the stability of the electrocoagulation clamp during working is effectively improved.

In this embodiment, the inner shaft 10 is provided with an inner sleeve 11 near one end of the first clamping seat 22 and on the outer circumference of the inner shaft 10. Through setting up interior sleeve pipe 11, not only can improve the stability of the flexible activity of interior axle 10, avoid interior axle 10 to rock at insulating tube 2 tip, effectively improved the stability of electrocoagulation pincers during operation.

In this embodiment, the communication valve 8 includes a valve body 801 and a valve cavity 803, the smoke exhaust pipe 6 is communicated with the valve cavity 803, a sealing plunger 805 moving along the valve cavity 803 is arranged in the valve body 801, and a spring 802 abutting against the bottom in the valve body 801 is arranged in the sealing plunger 805. The switch 3 is used for controlling the extension and retraction of the sealing plunger 805, so that the valve cavity 803 is respectively connected with the smoke exhaust pipe 6 and the communicating pipe 14, the smoke exhaust is controlled, the switch 3 can be opened when the electrocoagulation pliers work to exhaust smoke, the smoke generated by electrocoagulation cauterizing blood vessels is prevented from interfering with the operation, and the safety and the efficiency of the operation are improved.

In this embodiment, a first sealing ring 804 is disposed inside the valve body 801 and on the outer periphery of the sealing plunger 805. By arranging the first sealing ring 804 in the valve body 801 and on the periphery of the sealing plunger 805, the sealing performance of the switch 3 when the communication valve 8 is opened or closed can be ensured, and the sealing performance of the communication valve 8 when in use is effectively improved.

It will be appreciated that a third pivot axis 20 is connected between the first jaw housing 22 and the insulating tube 2, so that the first jaw housing 22 can pivot about the insulating tube 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. An electrocoagulation clamp with a smoke suction device is characterized by comprising a fixed clamp handle and a movable clamp handle, wherein a fourth rotating shaft is arranged between the movable clamp handle and the fixed clamp handle, an inner shaft rotatably connected with the movable clamp handle is arranged in the fixed clamp handle, an insulating pipe is arranged at one end of the fixed clamp handle, the inner shaft is positioned in the insulating pipe and stretches out and draws back, one end of the insulating pipe is rotatably connected with a first clamp and a second clamp, the first clamp or the second clamp is connected with one end of the inner shaft far away from the movable clamp handle, an air inlet hole is formed in one end of the insulating pipe close to the first clamp and the second clamp, a sealing movable assembly is arranged in the fixed clamp handle by the inner shaft, a communicating pipe communicated with the sealing movable assembly is further arranged in the fixed clamp handle, an inner cavity communicated with an air inlet and the sealing movable assembly is arranged in the insulating pipe, and a communicating valve communicated with the communicating pipe, one end of the communicating valve, which is far away from the communicating pipe, is connected with a smoke exhaust pipe, a switch for controlling the opening or closing of the communicating valve is further arranged on the fixed clamp handle, and the smoke exhaust pipe is externally connected with a negative pressure device.

2. An electrocoagulation clamp with a smoking device according to claim 1, wherein the movable sealing component comprises a vent sleeve communicated with the communicating pipe and a connecting body communicated with the vent sleeve, the connecting body is sleeved on the outer periphery of the inner shaft, a second sealing ring is arranged between the connecting body and the vent sleeve, and a smoking through cavity communicated with the vent sleeve is arranged in the connecting body.

3. An electrocoagulation pliers with a smoke suction device according to claim 2, wherein a limiting sleeve is arranged on the periphery of the connecting body, an external thread is arranged in the limiting sleeve, a sealing bolt head is sleeved on the periphery of the insulating pipe, and an internal thread matched with the external thread is arranged in the sealing bolt head.

4. An electrocoagulation pliers with a smoke suction device as claimed in claim 2, wherein the fixing pliers handle is provided with an annular limiting groove, and the connecting body is provided at its periphery with an annular limiting seat clamped in the annular limiting groove.

5. An electrocoagulation clamp with a smoke suction device as claimed in claim 1, wherein a second rotating shaft is arranged at one end of the insulating tube far away from the fixed clamp handle, a first clamp holder is arranged at one end of the second clamp close to the insulating tube, the first clamp holder is rotatably connected to the second rotating shaft, a first rotating shaft is arranged on the first clamp holder, the first clamp is rotatably connected to the first rotating shaft, and the first clamp holder is rotatably connected to one end of the inner shaft far away from the movable clamp handle.

6. An electrocoagulation clamp with a smoking device according to claim 5, wherein the inner shaft is provided with an inner sleeve at an end close to the first clamp holder and at the periphery of the inner shaft.

7. An electrocoagulation pliers with a smoke suction device as claimed in claim 1, wherein the communicating valve comprises a valve body and a valve cavity, the smoke exhaust pipe is communicated with the valve cavity, a sealing plunger piston moving along the valve cavity is arranged in the valve body, and a spring abutting against the bottom in the valve body is arranged in the sealing plunger piston.

8. An electrocoagulation pliers with a smoking device according to claim 7, wherein a first sealing ring is provided in the valve body and around the periphery of the sealing plunger.

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