CN112932655A - High-frequency electrotome convenient to use - Google Patents

Abstract

The invention provides a convenient-to-use high-frequency electric knife which comprises a host machine, a knife handle and a knife head, wherein a high-frequency circuit system controlled by a controller is arranged in the host machine, a knife groove is formed in the end part of the knife handle, a positive cable of the high-frequency circuit system penetrates through the knife handle and then is connected with the knife groove, the knife groove is used for installing the knife head and identifying the type of the knife head, and the controller is connected with the knife groove to receive the type of the knife head and then control the high-frequency circuit to output adaptive high-frequency electric waves to the knife. When the tool bit is replaced, the tool slot identifies the type of the tool bit and feeds back the type to the controller, the controller controls the high-frequency circuit system to output high-frequency electric waves with adaptive power to the tool bit, the operation of adjusting the output frequency on the host machine in the tool changing process is reduced, the controller also controls the maximum power output by the high-frequency circuit system to the tool bit, and the tool bit is prevented from being damaged by power overload or causing accidental injury to a patient on an operation bed or an operation chair.

Description

High-frequency electrotome convenient to use

Technical Field

The invention belongs to the technical field of high-frequency electrotome, and particularly relates to a convenient-to-use high-frequency electrotome which is suitable for removing the uvula, the soft palate and other tissues in a human body in the larynx, particularly tissue in a narrow opening in an otorhinolaryngological operation.

Background

In the process of performing tissue excision surgery on ear, nose and throat, a high-frequency electric knife is generally adopted, and the knife heads of the high-frequency electric knife have various types, such as a main cutting knife head, a main mixed cutting knife head, a main hemostatic knife head and a main electrocautery and ablation knife head, wherein the output power of the cutting knife head is as high as 120W, the output power of the ablation knife head is as low as 40W, the various knife heads adopt the same host machine, the host machine controls a high-frequency circuit system in the host machine to output high-frequency electric waves to the knife heads, during the surgery, doctors need to replace the knife heads with different functions to realize different operations, the output frequency on the host machine needs to be adjusted before replacing the knife heads so as to avoid the damage of the knife heads caused by the electric waves which exceed the functional range of the knife heads, the health of patients is seriously damaged, particularly, the adjusting process of the existing high-frequency electric knife is complex, and, the output power of the main machine is easy to be adjusted in the tense atmosphere of the operation, so that the efficiency of the operation is low, and medical accidents are easy to cause.

In addition, the switch buttons of the existing high-frequency electrotome are of two types, one type is a pedal type and the other type is a finger pressing type, the switch buttons are arranged on the main machine, the high-frequency electric wave generated after the knife head of the high-frequency electrotome is electrified can cause damage to a human body touched by mistake, therefore, the switch on the high-frequency electrotome is usually 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 an operation, a person needs to continuously step on the pedal type switch or a medical staff keeps 00 times to press the finger pressing type switch to switch on the knife head and the high-frequency circuit, the time is long, the medical staff can keep a hand potential for a long time and the knife handle is too hard and has a sour hand, the operation efficiency is reduced; in addition, when carrying out the interior uvula of larynx cutting operation, do not have special instrument among the prior art, medical staff adopts current instrument to carry out the cutting process in always to have some inapplicable problems of tool bit.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a high-frequency electric knife which is convenient to use.

In order to achieve the above purpose, the invention adopts the technical scheme that: the utility model provides a high frequency electrotome convenient to use, includes host computer, handle of a knife, tool bit, wherein, has the high frequency circuit system who controls through the controller in the host computer, and the tip of handle of a knife sets up the sword groove, and high frequency circuit system's positive pole cable passes behind the handle of a knife and is connected with the sword groove, and the sword groove is used for installing the tool bit and discerns the tool bit model, the controller is connected with the sword groove and is receiving the high frequency electric wave of tool bit output adaptation of tool bit in the sword groove of high frequency circuit system.

According to the convenient-to-use high-frequency electrotome, the cathode cable of the high-frequency circuit system is connected with an operating bed or an operating chair outside the main machine, the different types of the knife heads have different functions, the maximum output power required by the different types of the knife heads has different functions, the maximum output power corresponding to the different types is set on the main machine, when the knife heads are replaced, the knife grooves identify the types of the knife heads and feed back the types of the knife heads to the controller, the controller controls the high-frequency circuit system to output high-frequency electric waves with adaptive power to the knife heads, the operation of regulating the output frequency on the main machine in the knife replacing process is reduced, the controller also controls the maximum power output by the high-frequency circuit system to the knife heads, and the knife heads are.

Optimized, the one end that tool bit and sword groove are connected sets up draw-in groove discernment hole, the setting in the sword groove corresponds and telescopic elasticity fastener with draw-in groove discernment hole position, set up the sensor with elasticity fastener adaptation on the handle of a knife, the controller is connected with the sensor, after the tool bit inserts the sword groove, draw-in groove discernment hole extrusion corresponds elasticity fastener, the sensor detects the signal of elasticity fastener after transmit to the controller on, the controller judges out the high frequency electric wave of the model back control high frequency circuit system of tool bit to tool bit output adaptation power according to the signal.

Specifically, the inner wall of the cutter groove is provided with a plurality of holes, the elastic clamping piece is an elastic protruding ball arranged in the hole, a spring is arranged between the rear end of the elastic protruding ball and the hole wall, the clamping groove identification hole in the cutter head is matched with at least one elastic protruding ball or the combination of the elastic protruding balls, the clamping groove identification holes in the cutter heads of different models are matched with the different elastic protruding balls or the combination of the elastic protruding balls, the cutter head is inserted into the cutter groove and installed in place, the clamping groove identification hole is matched with the corresponding elastic protruding ball to trigger a sensor, the sensor transmits a signal of the elastic protruding ball to the controller after detecting the signal, and the controller judges the model of the cutter head according to the signal and then controls the high-frequency circuit system to output.

More specifically, the sensor is a Hall sensor, the Hall sensor senses signals of elastic convex balls corresponding to different types of tool bits, the Hall sensor converts the signals into electric signals and transmits the electric signals to the controller through a cable, and the host can determine the types of the tool bits according to the signals and correspondingly output high-frequency electric waves with adaptive power, so that the automatic function of replacing different tool bits to output different powers can be automatically realized, tool changing automation is realized, and the time for replacing the tool bits in an operation is greatly saved; the maximum power value suitable for different types of tool bits can be set on the program of the host, when the tool bit is connected with the tool handle, the maximum power value which can be adjusted on the host does not exceed the power value which is adapted to the tool bit, thereby avoiding the injury to patients caused by the output power which is adjusted on the host by medical staff exceeding the adaptation range of the tool bit,

optimally, a reset switch is arranged on a cable of the high-frequency circuit system, the reset switch is arranged in a knife handle, a groove is arranged at the handheld position in the middle of the knife handle, an elastic sealing sleeve packaged with a pressure transmission medium is arranged in the groove, a slide way is arranged at the rear part of the knife handle, the front end of the slide way is communicated with the elastic sealing sleeve, a sealing slide block is arranged in the slide way, and the reset switch is arranged at an opening at the rear end of the slide way; when the knife handle is held by hand, the elastic sealing sleeve is naturally pressed by fingers, 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 system is switched on and outputs high-frequency electric waves to the knife head.

According to the convenient-to-use high-frequency electric knife, the pressure transfer medium of the elastic sealing sleeve is used for touching the reset switch through the sealing sliding block, when an operator automatically holds the knife handle, the operator automatically holds the elastic sealing sleeve outside the handle through the thumb, the index finger and the middle finger, tightly holds the elastic sealing sleeve and extrudes the elastic sealing sleeve, so that the pressure transfer medium is pushed to the rear part of the slideway, and the sealing sliding block is further pushed to touch the reset switch to conduct a circuit, therefore, a medical worker naturally holds the high-frequency electric knife and simultaneously starts the reset switch, a foot switch or a switch on the handle is prevented from being continuously pressed to conduct the circuit, the soreness of feet or the soreness of hands of the medical worker is relieved, the elastic sealing sleeve has certain elasticity, and the medical worker cannot feel soreness due to the over-hard handle in the; in addition, the elastic sealing sleeve is arranged in the groove, and when the switch is naturally placed, the elastic sealing sleeve cannot be deformed to touch the switch by mistake due to the blocking of the groove wall.

Optimized, above-mentioned high frequency electrotome still includes the cushion, the cushion inlays and locates in the recess, the elastic sealing cover inlays and locates in the cushion and for the cushion protrusion, when need not increase output frequency, medical personnel operate through the handheld handle of a knife of cushion, when needing to increase output frequency, and the finger is pressed and is sheathe in order to start reset switch at the elastic sealing cover, switches on high frequency circuit.

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

Specifically, the protection cover is screwed on the rear end of the knife handle main body close to the groove, the protection cover is rotated to move backwards during use so that the groove is exposed for use, and the protection cover is rotated to move forwards after the operation is completed so as to cover the groove for protection, so that the mistaken touch is prevented.

Furthermore, in order to prevent the error touch from deforming the elastic sealing sleeve to cause the conduction of the tool bit and the power supply, a photoelectric switch connected with a reset switch in series can be additionally arranged on a high-frequency circuit lead, the photoelectric switch is arranged in the tool handle and positioned at the rear part of the elastic sealing sleeve, when the tool handle is held by a doctor to press the elastic sealing sleeve in use, the palm automatically blocks the photoelectric switch, and the photoelectric switch and the sealing sliding block touch the reset switch to be simultaneously turned on to conduct the circuit.

Specifically, the outside height of the elastic sealing sleeve is smaller than the height of the groove, the elastic sealing sleeve is low, and the high-frequency electrotome cannot be touched by mistake when placed on the tray, so that the high-frequency electrotome is not electrified when the operation is not performed.

The prior art does not have a high-frequency electric knife specially used for cutting the laryngeal uvula, a traditional knife head is not suitable for cutting the laryngeal uvula, the mouth of a patient needs to be maximally opened when the high-frequency electric knife is used, and for some children or special people with small mouths, the traditional knife head does not have enough space for cutting, so that the cutting difficulty is increased, and the surgical progress is slowed; therefore, preferably, the cutter head comprises a cutting cutter head, a mixed cutting cutter head, a hemostatic cutter head and an ablation cutter head, the cutting cutter head comprises a connecting rod and a cutter frame arranged at the front end of the connecting rod, a cutting line is arranged at the opening of the cutter frame, and the clamping groove identification hole is arranged at the rear end of the connecting rod; when the uvula removal operation is performed, medical staff pinch the bottom of the uvula with forceps, extend the cutter head into the mouth, and push the cutter head from front to back to cut the uvula; the mixed cutting tool bit, the hemostasis tool bit and the ablation tool bit also comprise a connecting rod used for being connected with the tool groove, and a mixed cutting part, a hemostasis part and an ablation part which are arranged at the end part of the connecting rod.

Further optimize, the rear portion and the connecting rod of sword frame are connected and the opening forward, the line of cut sets up in the opening part of sword frame, during the use with the cutting tool bit directly stretch into patient's intraoral, push backward in the past, can be from the past backward cutting uvula.

The push-in tool bit needs medical care personnel to pay attention to the push-in stroke, and if the push-in tool bit is pushed too much, the throat of a patient can be injured, so that the left side of the knife frame is optimally connected with the connecting rod, the opening of the knife frame faces backwards, and the cutting line is arranged at the opening of the knife frame; during the use stretch into the rear portion of interior uvula with the cutting tool bit, from the preceding handle of a knife of pulling in back, the cutting wire is from the preceding uvula of cutting in back, and such structural safety nature is strong, can not injure patient by mistake completely.

Further optimally, one end of the cutting line connected with the left side of the knife frame is lower than one end of the cutting line connected with the right side of the knife frame, so that a certain angle is formed between the cutting line and the connecting rod, and thus, the safety is ensured and the efficient uvula cutting is realized; furthermore, an angle of 20-40 degrees is formed between the cutting line and the connecting rod, namely, an angle of 20-40 degrees is formed between the cutting line and the right side of the knife frame, and the uvula cannot be rapidly cut due to the fact that the angle is too small or too large.

Specifically, the rear end of the slide way 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 connected with the arc-shaped groove in a sliding and sealing mode, 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, the pressure transmission medium pushes one end of the sealing sliding block to rotate along the arc-shaped groove relative to the rotating shaft, and the other end of the sealing sliding block pushes the reset switch to conduct a circuit.

Specifically, the top of the reset switch is connected with the sealing slide block through a connecting rod, and two ends of the connecting rod are respectively rotatably connected with the sealing slide block and the reset switch.

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 when the sealing sliding block rotates to conduct a high-frequency circuit; the top of the reset switch can be further provided with an arc-shaped groove matched with the arc-shaped protrusion, and when the sealing slide block rotates, the arc-shaped protrusion extrudes the arc-shaped groove to open the reset switch.

The invention has the beneficial effects that:

(1) the high-frequency electric knife convenient to use provided by the invention has the advantages that the maximum output power corresponding to different types is set on the host, when the knife head is replaced, the knife groove identifies the type of the knife head and feeds back the type to the controller, the controller controls the high-frequency circuit system to output high-frequency electric waves with adaptive power to the knife head, the operation of firstly adjusting the output frequency on the host when the knife is replaced is reduced, and the efficiency is improved.

(2) The high-frequency electric knife convenient to use provided by the invention further enables the pressure transfer medium of the elastic sealing sleeve to touch the reset switch through the sealing sliding block, when an operator automatically holds the knife handle, the operator automatically holds the elastic sealing sleeve outside the handle through the thumb, the index finger and the middle finger, and squeezes the elastic sealing sleeve while holding tightly, so that the pressure transfer medium is pushed into the channel, the sealing sliding block is further pushed to touch the reset switch to conduct a circuit, and thus, medical staff start the switch of the knife head while naturally holding the high-frequency electric knife, the switch on the knife head is avoided being pressed by a foot switch or continuously pressing the switch on the handle to conduct the circuit, and the foot acid or hand acid condition of the medical staff is relieved.

Drawings

FIG. 1 is a schematic diagram of the circuit connection of the high frequency electrotome inembodiment 1;

FIG. 2 is a schematic view of a high frequency electrotome;

FIG. 3 is a schematic view of the end portions of the cutting head, the blend cutting head, the hemostatic cutting head, and the ablation cutting head;

fig. 4 is a schematic view of a connection structure of the sealing slider and the reset switch inembodiment 1;

fig. 5 is a schematic view of a connection structure of the sealing slider and the reset switch in embodiment 2;

FIG. 6 is a schematic view of a cutter head inembodiment 3;

FIG. 7 is a schematic view of a cutter head inembodiment 4;

the cutting tool comprises atool handle 1, acutting tool bit 2a, aconnecting rod 21a, atool frame 22a, acutting line 23a, a mixing andcutting tool bit 2b, a bloodstopping tool bit 2c, anablation tool bit 2d, aHall sensor 3, anelastic protruding ball 4, areset switch 5, anelastic sealing sleeve 6, a sealing slidingblock 7, a connecting rod 8, a protective cover 9, apressure transfer medium 10 and auvula 11.

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 present embodiment provides a high-frequency electric knife convenient to use, which includes a main machine, aknife handle 1 and a knife head, wherein the main machine is provided with a high-frequency circuit system controlled by a controller, the end of theknife handle 1 is provided with a knife slot, a positive cable of the high-frequency circuit system is connected to the knife slot after passing through theknife handle 1, a negative cable is connected to an operating bed outside the main machine, the knife slot is used for installing the knife head and identifying the type of the knife head, and the controller is connected to the knife slot to receive the type of the knife head and then control the high-frequency circuit to output adaptive high-frequency electric; a clamping groove identification hole is formed in one end, connected with the cutter groove, of the cutter head, an elastic clamping piece which corresponds to the clamping groove identification hole in position and is telescopic is arranged in the cutter groove, aHall sensor 3 matched with the elastic clamping piece is arranged on thecutter handle 1, and the controller is connected with theHall sensor 3; as shown in fig. 2, the inner wall of the knife slot is provided with 4 holes, the elastic clamping piece is a firstelastic protruding ball 4, a secondelastic protruding ball 4, a thirdelastic protruding ball 4 and a fourthelastic protruding ball 4 which are arranged in the holes, and a spring is arranged between the rear end of eachelastic protruding ball 4 and the wall of each hole; as shown in fig. 3, the cutter head comprises acutting cutter head 2a, a mixedcutting cutter head 2b, ahemostatic cutter head 2c and anablation cutter head 2 d; thecutting tool bit 2a of the main cutting has the maximum output power of 120W and is provided with clamping groove identification holes which are in one-to-one correspondence with the positions of the fourelastic convex balls 4; the main mixed cutting mixedcutter head 2b has the maximum output power of 90W and is provided with 3 clamping groove identification holes which are in one-to-one correspondence with the positions of the secondelastic convex balls 4, the thirdelastic convex balls 4 and the fourthelastic convex balls 4; thehemostatic cutter head 2c for main hemostasis has the maximum output power of 60W and is provided with 2 clamping groove identification holes which are in one-to-one correspondence with the positions of the thirdelastic convex ball 4 and the fourthelastic convex ball 4; the main electrocautery andablation cutter head 2d has the maximum output power of 40W and is provided with 3 clamping groove identification holes which are in one-to-one correspondence with the positions of the firstelastic convex ball 4 and the fourthelastic convex ball 4; thecutting tool bit 2a comprises a connectingrod 21a matched with thetool holder 1, the front end of the connectingrod 21a is provided with atool frame 22a, an opening of thetool frame 22a is provided with acutting line 23a, and the clamping groove identification hole is formed in the rear end of the connectingrod 21 a;

the cable wire of the high-frequency circuit system is provided with areset switch 5, thereset switch 5 is positioned in ahandle 1, a groove is arranged at the handheld position of the middle part of thehandle 1, anelastic sealing sleeve 6 packaged with apressure transmission medium 10 is arranged in the groove, the rear part of thehandle 1 is provided with a slideway, as shown in figure 4, the rear end of the slideway is provided with an arc-shaped groove, the front end of the slideway is communicated with theelastic sealing sleeve 6, asealing slide block 7 is arranged in the slideway, thereset switch 5 is arranged at the opening at the rear end of the slideway, the sealingslide block 7 is connected with the arc-shaped groove through a rotating shaft, one end of thesealing slide block 7 is connected with the arc-shaped groove; the detachable protective cover 9 is arranged outside the groove, and the protective cover 9 is in threaded connection with the rear end of the main body of theknife handle 1 and close to the groove.

There is not the high frequency electrotome that is used forlarynx uvula 11 cutting specially among the prior art, and traditional tool bit is not applicable to the cutting ofuvula 11, and the high frequency electrotome convenient to use that this embodiment provided includes following step when being used for the cutting of larynx uvula 11:

step 1, inserting the rear end of a connectingrod 21a of acutting tool bit 2a into a tool groove, enabling 4 clamping groove identification holes to be matched with 4elastic protruding balls 4 to touch aHall sensor 3, enabling theHall sensor 3 to detect signals of the 4elastic protruding balls 4 and then transmit the signals to a controller, and enabling the controller to judge whether thecutting tool bit 2a is inserted or not according to the signals and then control a high-frequency circuit system to output electric waves with the maximum power of 120W to thecutting tool bit 2 a;

step 2, the medical staff adjusts the power on the host computer to a proper value, the protective cover 9 on therotary knife handle 1 moves backwards to expose the groove, when the medical staff holds theknife handle 1, the thumb, the index finger and the middle finger are held on theelastic sealing sleeve 6 outside the handle, theelastic sealing sleeve 6 is extruded while the medical staff naturally presses, thepressure transfer medium 10 is pushed into the arc-shaped groove behind the slideway, so as to push one end of thesealing slide block 7 to rotate, the other end touches thereset switch 5 through the pull rod to conduct the high-frequency circuit system and thecutting knife head 2a, and thecutting line 23a generates high-frequency electric waves;

step 3, the medical staff pinches the bottom of theuvula 11 of the patient by using forceps, pushes thecutting tool bit 2a towards the mouth, and cuts off the redundant part of theuvula 11 through thecutting line 23 a;

step 4, the medical staff loosens theknife handle 1, thesealing slide block 7 loses pressure on thereset switch 5, thereset switch 5 resets, the high-frequency circuit system is disconnected, thecutting knife head 2a is pulled down, thehemostatic knife head 2c is inserted into the knife slot, 3 clamping slot identification holes are matched with the second elastic protruding balls, the third elastic protruding balls and the fourthelastic protruding balls 4 to trigger theHall sensor 3, theHall sensor 3 detects signals of the 3elastic protruding balls 4 and then transmits the signals to the controller, and the controller judges that thehemostatic knife head 2c is inserted according to the signals and then controls the high-frequency circuit system to output electric waves with the maximum power of 40W to thehemostatic knife head 2 c;

and 5, adjusting the power of the medical staff on the host computer to a proper value, holding theknife handle 1 again and touching thereset switch 5 to conduct the high-frequency circuit system and thehemostatic knife head 2c, and stopping bleeding of the cut part by the doctor by adopting the hemostatic knife head.

The operation method is also suitable for the intraoral soft palate resection and the resection of other tissues in the human body, in particular to the tissue resection in a narrow opening in the ear-nose-throat operation.

The high-frequency electrotome provided by the embodiment has the advantages that the maximum output power corresponding to different models is set on the host, when the cutter head is replaced, the cutter groove identifies the model of the cutter head and feeds back the model to the controller, the controller controls the high-frequency circuit system to output high-frequency electric waves with adaptive power to the cutter head, the operation of regulating the output frequency on the host when the cutter is replaced is reduced, the efficiency is improved, meanwhile, medical staff naturally hold the high-frequency electrotome and start thereset switch 5 to conduct the cutter head and the high-frequency circuit, so that the foot acid or hand acid condition of medical staff when a foot switch or a finger pressure switch is adopted is avoided, theelastic sealing sleeve 6 has certain elasticity, the flowability of thepressure transfer medium 10 in the elastic sealing sleeve is combined, and the hand acid caused by the over-hard handle cannot occur in; in addition, theelastic sealing sleeve 6 is arranged in the groove, when the elastic sealing sleeve is naturally placed, theelastic sealing sleeve 6 cannot deform to touch the switch by mistake due to the blocking of the groove wall, and the protective cover 9 is rotated to move forwards to cover the groove for protection after the operation is finished, so that the mistaken touch is prevented.

Example 2

This embodiment improves sealedslider 7 and resetswitch 5's inembodiment 1 connection structure, as shown in fig. 5, the tip of sealedslider 7 sets up the arc arch andreset switch 5's top butt, and resetswitch 5's top sets up the arc wall with the protruding adaptation of arc, and when sealedslider 7 rotated, the arc was protruding to extrude the arc wall in order to openreset switch 5, and the transmission structure of this kind of butt is more nimble convenient.

Example 3

In this embodiment, the structure of the cutting-blade head 2a ofembodiment 1 is improved, the cutting-blade head 2a ofembodiment 1 needs the attention of the medical staff to the pushing-in stroke, and if the pushing-in stroke is too much, the throat of the patient may be injured, therefore, as shown in fig. 6, in this embodiment, the left side of theknife frame 22a is connected with the connectingrod 21a and the opening is backward, and thecutting line 23a is disposed at the opening of theknife frame 22 a; during the use, thecutting tool bit 2a extends into the rear part of the mouthinner uvula 11, thetool handle 1 is pulled forwards from the back, and thecutting line 23a cuts theuvula 11 forwards from the back, so that the structure safety is strong, and the patient can not be injured by mistake.

Example 4

In this embodiment, the structure of thecutting head 2a ofembodiment 3 is improved, as shown in fig. 7, the end of thecutting line 23a connected to the left side of theknife frame 22a is lower than the end connected to the right side, so that a certain angle is formed between thecutting line 23a and the connectingrod 21a, and thus, the safety is ensured and the efficient cutting of theuvula 11 is realized; the angle between thecutting line 23a and the connectingrod 21a is 20-40 degrees, that is, the angle between thecutting line 23a and the right side of theknife frame 22a is 20-40 degrees, which is not convenient for rapid cutting of theuvula 11 due to too small or too large angle, and the angle is 30 degrees in the embodiment.

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. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes and modifications of the present invention are within the scope of the present invention.

Claims (10)

1. The utility model provides a high frequency electrotome convenient to use, its characterized in that, includes host computer, handle of a knife, tool bit, wherein, has the high frequency circuit system who controls through the controller in the host computer, and the tip of handle of a knife sets up the sword groove, and high frequency circuit system's positive pole cable passes behind the handle of a knife and is connected with the sword groove, and the sword groove is used for installing the tool bit and discerns the tool bit model, the controller is connected with the sword groove in order to receive the high frequency electric wave of tool bit model back control high frequency circuit to the tool bit output adaptation in the sword.

2. The high-frequency electrotome convenient to use according to claim 1, wherein a clamping groove identification hole is formed in one end of the knife head connected with the knife groove, an elastic clamping piece which corresponds to the clamping groove identification hole in position and can stretch is arranged in the knife groove, a sensor matched with the elastic clamping piece is arranged on the knife handle, and the controller is connected with the sensor.

3. The electric knife of claim 2, wherein the inner wall of the knife slot is provided with a plurality of holes, the elastic fasteners are elastic protruding balls arranged in the holes, a spring is arranged between the rear end of each elastic protruding ball and the wall of the hole, the slot identification holes on the knife head are matched with at least one elastic protruding ball or the combination of the elastic protruding balls, and the slot identification holes on different types of knife heads are matched with different elastic protruding balls or the combination of the elastic protruding balls.

4. The high-frequency electric knife convenient to use according to claim 3, wherein the sensor is a Hall sensor, the Hall sensor senses signals of the elastic convex balls corresponding to different types of knife heads, the Hall sensor converts the signals into electric signals and transmits the electric signals to the controller through a cable, and the host machine can determine the types of the knife heads according to the signals and correspondingly output high-frequency electric waves with adaptive power.

5. The high-frequency electrotome convenient to use according to claim 2, wherein the cutter head comprises a connecting rod and a cutter frame arranged at the front end of the connecting rod, a cutting line is arranged at the opening of the cutter frame, the slot identification hole is arranged at the rear end of the connecting rod, wherein the left side of the cutter frame is connected with the connecting rod and is backwards opened, and the cutting line is arranged at the opening of the cutter frame; or one end of the cutting line connected with the left side of the knife frame is lower than one end of the cutting line connected with the right side of the knife frame, so that an angle of 20-40 degrees is formed between the cutting line and the connecting rod.

6. The convenient-to-use high-frequency electrotome according to claim 1, characterized in that a reset switch is arranged on a cable of the high-frequency circuit system, the reset switch is arranged in the handle, a groove is arranged at the handheld position in the middle of the handle, an elastic sealing sleeve packaged with a pressure transmission medium is arranged in the groove, a detachable protective cover is arranged outside the groove, and the protective cover is screwed at the position, close to the groove, of the rear end of the handle body; the rear part of the knife handle is provided with a slideway, the front end of the slideway is communicated with an elastic sealing sleeve, a sealing slide block is arranged in the slideway, and the reset switch is arranged at an opening at the rear end of the slideway; when the knife handle is held by hand, the elastic sealing sleeve is naturally pressed by fingers, 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 system is switched on and outputs high-frequency electric waves to the knife head.

7. The electric knife with high frequency and convenient use as claimed in claim 6, wherein the cable of the high frequency circuit system is additionally provided with a photoelectric switch connected with the reset switch in series, and the photoelectric switch is arranged in the knife handle and positioned at the rear part of the elastic sealing sleeve.

8. The electric knife with high frequency and convenient use according to claim 6, characterized in that the back end of the slide way 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 connected with the arc-shaped groove in a sliding and sealing way, and the other end of the sealing slide block is connected with the top of the reset switch.

9. The easy-to-use high-frequency electric knife according to claim 8, wherein the top of the reset switch is connected with the sealing slider through a connecting rod.

10. The high-frequency electric knife convenient to use according to claim 8, characterized in that an arc-shaped bulge is arranged at the end part of the sealing slide block and is abutted with the top part of the reset switch.

Images