CN112618011B - Radio frequency electric wave knife convenient to hold - Google Patents

Abstract

The invention protects a radio frequency electric wave knife convenient to hold, which comprises a knife handle, a host and a knife head, wherein a high-frequency circuit wire in the host passes through the knife handle, is electrically connected with the knife head and is used for outputting high-frequency electric waves to the knife head, a reset switch is arranged on the high-frequency circuit, a groove is arranged at the handheld position in the middle of the knife handle, an elastic sealing sleeve for sealing a pressure transmission medium is arranged in the groove, a slideway is arranged at the rear part of the knife handle, the front end of the slideway is communicated with the elastic sealing sleeve, a sealing sliding block is arranged in the slideway, and the reset switch is arranged at an opening at the rear end of the slideway; when the handle is held, the finger naturally presses the elastic sealing sleeve, and the pressure transmission medium pushes the sealing slide block in the slide way to touch the reset switch, so that the high-frequency circuit is conducted and outputs high-frequency electric waves to the cutter head. The radio frequency electric wave knife convenient to hold provided by the invention enables medical staff to start the switch of the knife head while holding the radio frequency electric wave knife naturally, thereby reducing the acid condition of feet or hands of the medical staff.

Description

Radio frequency electric wave knife convenient to hold

Technical Field

The invention belongs to the technical field of radio frequency electric wave knives, and particularly relates to a radio frequency electric wave knife convenient to hold, which is suitable for ear-nose-throat surgery, in particular to cutting of the uvula in the throat.

Background

In the process of performing tissue excision operation on ears, noses and throats, a radio-frequency electric wave knife is generally adopted, two types of switch buttons of the existing radio-frequency electric wave knife are adopted, one type of switch buttons is a foot-operated type arranged on a main machine, and the other type of switch buttons is a finger-operated type arranged on a knife handle, and because high-frequency electric waves generated after the knife head of the radio-frequency electric wave knife is electrified can harm a human body which is touched by mistake, a switch on the radio-frequency electric wave knife is generally set into a mode of switching on a circuit after the switch is pressed and switching off the circuit after the switch is released, during operation, a person needs to continuously step on the foot-operated type switch or continuously press the finger-operated type switch by medical staff to switch on the knife head and the high-frequency circuit, the time is long, the medical staff can keep a resource for a long time because of hands and the knife handle is too hard, so that the operation efficiency is reduced, and meanwhile, the health of the medical staff is unfavorable; in addition, when performing the incision operation of the uvula in the throat, no special tool exists in the prior art, and the medical staff always has the problem that some tool bits are not applicable in the incision process by adopting the existing tool.

Disclosure of Invention

Based on the above problems, an object of the present invention is to provide a radio frequency electric wave knife which is convenient to hold.

In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a radio frequency electric wave knife convenient to hold, includes handle of a knife, host computer, tool bit, wherein, the tool bit demountable installation is on the handle of a knife, and the high frequency circuit wire in the host computer passes behind the handle of a knife and is connected with the tool bit is electrically conductive and be used for exporting high frequency electric wave to the tool bit, be provided with reset switch on the high frequency circuit, the handheld department in handle of a knife middle part sets up the recess, sets up the elastic seal cover that seals up the pressure medium in the recess, and the handle of a knife rear portion sets up the slide, and the front end and the elastic seal cover intercommunication of slide set up sealed slider in the slide, reset switch sets up in slide rear end opening part; when the handle is held, the finger naturally presses the elastic sealing sleeve, and the pressure transmission medium pushes the sealing slide block in the slide way to touch the reset switch, so that the high-frequency circuit is conducted and outputs high-frequency electric waves to the cutter head.

According to the radio frequency electric wave knife convenient to hold, the pressure transmission medium of the elastic sealing sleeve is used for triggering the reset switch through the sealing sliding block, when an operator holds the knife handle automatically, the operator holds the knife handle on the elastic sealing sleeve outside the handle through the thumb, the index finger and the middle finger automatically, and presses the elastic sealing sleeve while holding the knife handle tightly, so that the pressure transmission medium is pushed to the rear part of the slideway, and the sealing sliding block is pushed to trigger the reset switch to conduct a circuit, thus medical staff can start the switch of the knife head while holding the radio frequency electric wave knife naturally, foot switch is avoided or the switch on the handle is continuously pressed to conduct the circuit, the condition of foot acid or hand acid of medical staff is lightened, the elastic sealing sleeve has certain elasticity, and the medical staff cannot feel too hard to hand acid due to the handle in the long-term use process; in addition, the elastic sealing sleeve is arranged in the groove, and when the elastic sealing sleeve is naturally placed, the elastic sealing sleeve cannot be deformed to touch the switch by mistake due to the blocking of the groove wall.

Preferably, the radio frequency electric wave knife further comprises an elastic pad, the elastic pad is embedded in the groove, the elastic sealing sleeve is embedded in the elastic pad and protrudes relative to the elastic pad, when the output frequency does not need to be increased, medical staff performs operation through the handle of the knife held by the elastic pad, and when the output frequency needs to be increased, fingers press on the elastic sealing sleeve to start the reset switch, and the high-frequency circuit is conducted.

Preferably, a detachable protective cover is arranged outside the groove, the protective cover is detached during operation, and the protective cover is assembled after operation to further protect the elastic sealing sleeve and prevent the elastic sealing sleeve from deforming.

Specifically, the protective cover is in threaded connection with the rear end of the knife handle main body and is close to the groove, when in use, the protective cover is rotated to move backwards to expose the groove so as to be convenient for holding, and after operation is completed, the protective cover is rotated to move forwards to cover the groove so as to protect the groove, so that false touch is prevented.

Furthermore, in order to prevent the tool bit from being conducted with the power supply due to the deformation of the elastic sealing sleeve caused by the false touch, a photoelectric switch connected in series with the reset switch can be additionally arranged on the high-frequency circuit lead, the photoelectric switch is arranged on the tool handle and positioned at the rear part of the elastic sealing sleeve, when the elastic sealing sleeve is pressed by a doctor holding the tool handle, the photoelectric switch is automatically blocked by the palm of the doctor, and the photoelectric switch and the sealing sliding block touch the reset switch to be simultaneously opened to conduct the circuit.

Specifically, the outside height of elastic seal cover is less than the height of recess, and the elastic seal cover is low, can not touched by mistake when placing the radio frequency electric wave sword in the tray to guarantee when not carrying out the operation, the radio frequency electric wave sword is not electrified.

Preferably, the cutter head comprises a cutter head, the cutter head comprises a connecting rod matched with the cutter handle, a cutter frame is arranged at the front end of the connecting rod, a cutting line is arranged at the opening of the cutter frame, and the cutter head is used for cutting the uvula. In the prior art, a radio frequency electric wave knife special for cutting the throat uvula is not available, the traditional knife head is not suitable for cutting the uvula, when in use, the mouth of a patient must be stretched to the maximum, and for some children or special people with small mouth, the traditional knife head does not have enough space for cutting, so that the cutting difficulty is increased, and the operation progress is slow; when the tool bit provided by the invention is used for performing uvula excision operation, medical staff pinch the bottom of the uvula by forceps, extend the tool bit into the opening, and push the tool bit from front to back to cut the uvula.

Specifically, the rear portion and the connecting rod of knife rest are connected and the opening is forward, the cutting line sets up in the opening part of knife rest, in the mouth of the patient is directly stretched into with the cutting tool bit during the use, pushes in from front to back, can cut the uvula from front to back.

The cutter head used for pushing needs attention of medical staff on the pushing stroke, if too much pushing is performed, the cutter head possibly causes damage to the throat of a patient, therefore, the left side of the cutter frame is optimally connected with the connecting rod, the opening of the cutter frame is backwards, and the cutting line is arranged at the opening of the cutter frame; when the novel cutting tool is used, the cutting tool bit is inserted into the rear part of the interior uvula of the entrance, the tool shank is pulled forwards from the rear, and the cutting line is used for cutting the uvula forwards from the rear, so that the structural safety is strong, and a patient is not injured accidentally.

Further preferably, one end of the cutting line connected with the left side of the cutter frame is lower than one end of the cutting line connected with the right side, so that a certain angle is formed between the cutting money and the connecting rod, and therefore, high-efficiency uvula cutting is achieved while safety is ensured; furthermore, the angle between the cutting money and the connecting rod is 20-40 degrees, namely the angle between the cutting money and the right side of the cutter frame is 20-40 degrees, and the cutting money is too small or too large in angle, so that the rapid cutting of the uvula is inconvenient.

Specifically, the rear end of the slideway is provided with a section of arc-shaped groove, the sealing slide block is connected with the arc-shaped groove through a rotating shaft, one end of the sealing slide block is in sliding sealing connection with the arc-shaped groove, and the other end of the sealing slide block is connected with the top of the reset switch; the elastic sealing sleeve is extruded, so that the pressure transmission medium is pushed inwards to the channel, one end of the pressure transmission medium pushes the sealing sliding block to rotate along the arc-shaped groove relative to the rotating shaft, and the other end of the pressure transmission medium pushes the reset switch to conduct the circuit.

Specifically, the top of reset switch passes through the connecting rod and is connected with sealed slider, and the both ends of connecting rod are rotatable with sealed slider, reset switch respectively.

Specifically, an arc-shaped bulge is arranged at the end part of the sealing sliding block and is abutted against the top of the reset switch, and the reset switch is extruded by the arc-shaped bulge to conduct a high-frequency circuit when the sealing sliding block rotates; the top of the reset switch can be further provided with an arc-shaped groove matched with the arc-shaped bulge, and when the sealing sliding block rotates, the arc-shaped bulge extrudes the arc-shaped groove to open the reset switch.

The beneficial effects of the invention are as follows:

According to the radio frequency electric wave knife convenient to hold, the pressure transmission medium of the elastic sealing sleeve is used for triggering the reset switch through the sealing slide block, when an operator holds the knife handle automatically, the operator holds the knife handle on the elastic sealing sleeve outside the handle automatically through the thumb, the index finger and the middle finger, and presses the elastic sealing sleeve while holding the knife handle tightly, so that the pressure transmission medium is pushed inwards to push the sealing slide block to trigger the reset switch to conduct a circuit, and thus, medical staff starts the switch of the knife head while holding the radio frequency electric wave knife naturally, and accordingly, a foot switch is avoided or the switch on the handle is continuously pressed to conduct the circuit, and the condition of foot acid or hand acid of medical staff is relieved.

Drawings

FIG. 1 is a schematic diagram of a radio frequency wave knife for easy holding according to the present invention;

Fig. 2 is a schematic diagram of a connection structure between a sealing slider and a reset switch in embodiment 1;

Fig. 3 is a schematic diagram of a connection structure between a sealing slider and a reset switch in embodiment 2;

FIG. 4 is a schematic view of a cutter head according to embodiment 3;

FIG. 5 is a schematic view of a cutter head according to example 4;

The automatic cutting device comprises a cutter handle 1, a cutting tool bit 2, a reset switch 3, an elastic sealing sleeve 4, a sealing sliding block 5, a connecting rod 6, a protective cover 7, a connecting rod 8, a cutter frame 9, a cutting line 10, a pressure transmission medium 11 and a uvula 12.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Example 1

As shown in fig. 1, the embodiment provides a radio frequency electric wave knife convenient to hold, which comprises a knife handle, a main machine (the existing device is not shown in the drawing), and a cutting knife head, wherein the knife head is detachably arranged on the knife handle, a high-frequency circuit wire in the main machine passes through the knife handle, is electrically connected with the knife head and is used for outputting high-frequency electric waves to the knife head, a reset switch is arranged on the high-frequency circuit, a groove is arranged at the handheld position in the middle part of the knife handle, an elastic sealing sleeve filled with pressure transmission medium is arranged in the groove, a slideway is arranged at the rear part of the knife handle, an arc-shaped groove is arranged at the rear end of the slideway, the front end of the slideway is communicated with the elastic sealing sleeve, a sealing sliding block is arranged in the slideway, the reset switch is arranged at the opening at the rear end of the slideway, the sealing sliding block is connected with the arc-shaped groove through a rotating shaft, one end of the sealing sliding block is in sliding sealing connection with the arc-shaped groove, and the other end of the sealing block is connected with the top of the reset switch through a connecting rod; the detachable protective cover is arranged outside the groove and is in threaded connection with the rear end of the knife handle main body close to the groove; the tool bit in this embodiment is the cutting tool bit, and the cutting tool bit includes the connecting rod with the handle of a knife adaptation, and the connecting rod front end sets up the knife frame, and knife frame opening part sets up the cutting line, and the rear portion of knife frame is connected and the opening is forward with the connecting rod, the cutting line sets up in the opening part of knife frame.

In the prior art, a radio frequency electric wave knife special for cutting the throat uvula is not used, the traditional knife head is not suitable for cutting the uvula, the radio frequency electric wave knife convenient to hold is provided in the embodiment, when the radio frequency electric wave knife is used for cutting the throat uvula, the protective cover is rotated to backwards move to enable the groove to be exposed so as to be convenient to hold, when a medical staff holds the knife handle, the medical staff automatically holds the elastic sealing sleeve outside the handle through the thumb, the index finger and the middle finger, the elastic sealing sleeve is squeezed while holding the knife handle, a pressure transmission medium is pushed into an arc-shaped groove behind a slideway, one end of the sealing sliding block is pushed to rotate, the other end of the sealing sliding block is triggered to turn on a circuit through a pull rod, high frequency electric waves are generated on a cutting line, the medical staff pinches the bottom of the patient uvula by forceps, and the knife head is pushed inwards to cut the uvula through a cutting line. Thus, medical staff naturally holds the radio frequency electric wave knife and simultaneously starts the switch of the knife head to lead the knife head to be communicated with the high-frequency circuit, thereby avoiding the condition of foot acid or hand acid of medical staff when adopting a foot switch or a finger-pressure switch, and the elastic sealing sleeve has certain elasticity, and the mobility of a pressure transmission medium in the elastic sealing sleeve is combined, so that the medical staff can not be excessively hard to be handed by the handle in the long-term use process; in addition, the elastic sealing sleeve is arranged in the groove, and when the elastic sealing sleeve is naturally placed, the elastic sealing sleeve cannot be deformed to touch the switch by mistake due to the blocking of the groove wall, and the protective cover is rotated to move forwards to cover the groove for protection after the operation is finished, so that the false touch is prevented.

Example 2

This embodiment improves the connection structure of sealing slider and reset switch in embodiment 1, as shown in fig. 3, and sealing slider's tip sets up the arc protruding top butt with reset switch, and reset switch's top sets up the arc wall with the protruding adaptation of arc, and sealing slider rotates, and the arc protruding extrusion arc wall is in order to open reset switch, and the transmission structure of this kind of butt is more nimble convenient.

Example 3

In this embodiment, the cutter head structure of embodiment 1 is improved, the cutter head of embodiment 1 requires attention of medical staff to push in the travel, if too much pushing in is likely to cause injury to the throat of a patient, therefore, as shown in fig. 4, the cutter head structure of embodiment 1 connects the left side of the cutter frame with the connecting rod and the opening is backward, and the cutting line is arranged at the opening of the cutter frame; when the novel cutting tool is used, the cutting tool bit is inserted into the rear part of the interior uvula of the entrance, the tool shank is pulled forwards from the rear, and the cutting line is used for cutting the uvula forwards from the rear, so that the structural safety is strong, and a patient is not injured accidentally.

Example 4

In this embodiment, the cutter head structure of embodiment 3 is improved, as shown in fig. 5, the end of the cutting line connected with the left side of the cutter frame is lower than the end connected with the right side, so that a certain angle is formed between the cutting line and the connecting rod, and thus, high-efficiency uvula cutting is realized while safety is ensured; furthermore, the angle between the cutting money and the connecting rod is 20-40 degrees, namely, the angle between the cutting money and the right side of the cutter frame is 20-40 degrees, and the angle is too small or too large, so that the rapid cutting of the uvula is inconvenient, and the angle in the embodiment is 30 degrees.

According to the radio frequency electric wave knife convenient to hold, the pressure transmission medium of the elastic sealing sleeve is used for triggering the reset switch through the sealing sliding block, when an operator holds the knife handle automatically, the operator holds the knife handle on the elastic sealing sleeve outside the handle automatically through the thumb, the index finger and the middle finger, and presses the elastic sealing sleeve while holding the knife handle tightly, so that the pressure transmission medium is pushed inwards to push the sealing sliding block to trigger the reset switch to conduct a circuit, thus medical staff can start the switch of the knife head while holding the radio frequency electric wave knife naturally, a foot switch is avoided or the switch on the handle is continuously pressed to conduct the circuit, the condition of foot acid or hand acid of medical staff is lightened, the elastic sealing sleeve has certain elasticity, and the medical staff cannot feel too hard to hand acid due to the handle in the long-term use process; in addition, the elastic sealing sleeve is arranged in the groove, and when the elastic sealing sleeve is naturally placed, the elastic sealing sleeve cannot be deformed to touch the switch by mistake due to the blocking of the groove wall.

The above examples of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. Not all embodiments are exhaustive. Obvious changes and modifications which are extended by the technical proposal of the invention are still within the protection scope of the invention.

Claims (1)

1. The utility model provides a radio frequency electric wave knife convenient to hold, includes handle of a knife, host computer, tool bit, and wherein, the tool bit is detachably installed on the handle of a knife, and the high frequency circuit wire in the host computer passes behind the handle of a knife and is connected with the tool bit electrically conductive and be used for exporting high frequency electric wave to the tool bit, its characterized in that, there is reset switch on the high frequency circuit, the handheld department in handle of a knife middle part sets up the recess, sets up the elastic seal cover that seals up the pressure medium in the recess, and the handle of a knife rear portion sets up the slide, and the front end and the elastic seal cover intercommunication of slide set up sealed slider in the slide, reset switch sets up in slide rear end opening part; when the handle is held, the finger naturally presses the elastic sealing sleeve, and the pressure transmission medium pushes the sealing slide block in the slide way to touch the reset switch, so that the high-frequency circuit is conducted and high-frequency electric waves are output to the cutter head;

The rear end of the slideway is provided with an arc-shaped groove, the sealing slide block is connected with the arc-shaped groove through a rotating shaft, one end of the sealing slide block is in sliding sealing connection with the arc-shaped groove, the other end of the sealing slide block is connected with the top of the reset switch, the top of the reset switch is connected with the sealing slide block through a connecting rod, and the end part of the sealing slide block is provided with an arc-shaped bulge which is in butt joint with the top of the reset switch;

the cutter head comprises a cutter head, the cutter head comprises a connecting rod matched with the cutter handle, the front end of the connecting rod is provided with a cutter frame, the opening of the cutter frame is provided with a cutting line, the left side of the cutter frame is connected with the connecting rod and the opening is backward, the cutting line is arranged at the opening of the cutter frame, and one end of the cutting line connected with the left side of the cutter frame is lower than one end connected with the right side, so that an angle of 20-40 degrees is formed between the cutting line and the connecting rod;

the radio frequency electric wave knife is used for cutting the uvula in the throat;

the detachable protective cover is arranged outside the groove and is in threaded connection with the rear end of the cutter handle main body close to the groove;

The high-frequency circuit is additionally provided with a photoelectric switch connected with the reset switch in series, and the photoelectric switch is arranged on the knife handle and positioned at the rear part of the elastic sealing sleeve.