CN112022329B - Negative pressure suction electric knife - Google Patents
Negative pressure suction electric knife Download PDFInfo
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- CN112022329B CN112022329B CN202010844697.6A CN202010844697A CN112022329B CN 112022329 B CN112022329 B CN 112022329B CN 202010844697 A CN202010844697 A CN 202010844697A CN 112022329 B CN112022329 B CN 112022329B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00595—Cauterization
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/007—Aspiration
- A61B2218/008—Aspiration for smoke evacuation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4533—Gas separation or purification devices adapted for specific applications for medical purposes
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Abstract
The invention discloses a negative pressure suction electric knife which is characterized by comprising an air pump for providing negative pressure, wherein the air pump is connected with a suction tube for guiding air flow, the front end of the suction tube is provided with a suction head for sucking smoke, the tube body of the suction tube is provided with a connector, and the handle body of an electric knife handle is also provided with a connecting seat. The invention has the following beneficial effects: when using the back, medical personnel press the button with the hand, and the one end of button passes the through-hole to in stretching into the draw-in groove, the joint head is pressed tightly on the second inclined plane, drives the joint head and breaks away from the draw-in groove, and medical personnel take the joint board out the card hole, so that the connector breaks away from the connecting seat, so that wash the maintenance, ensure the cleaning performance.
Description
Technical Field
The present invention relates to an electrotome, and more particularly, to a negative pressure suction electrotome.
Background
An electrosurgical instrument is a type of electrosurgical instrument that replaces a mechanical scalpel for tissue cutting. The tissue is heated when the high-frequency high-voltage current generated by the tip of the effective electrode contacts with the body, so that the separation and coagulation of the body tissue are realized, and the purposes of cutting and hemostasis are achieved.
When the electrotome cuts, the electrotome burns and scorches human tissues to cause smoke generation, and the smoke can be sucked by installing the negative pressure suction device in order to avoid the influence of the smoke on the sight. However, the negative pressure suction device is fixed on the electric knife, which is inconvenient for cleaning and maintenance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a negative pressure suction electric knife which is detachably connected with a negative pressure suction device so as to be convenient for cleaning and maintenance.
In order to achieve the purpose, the invention provides the following technical scheme: a negative pressure suction electric knife comprises an electric knife main machine, an electric knife handle for holding is connected to the electric knife main machine, an electric knife head for cutting is connected to the front end of the electric knife handle, a gas collecting device for providing negative pressure is further included, the gas collecting device is connected with a suction tube for guiding air flow, a suction head for sucking smoke is arranged at the front end of the suction tube, a connector is arranged on a tube body of the suction tube, a connecting seat is further arranged on the handle body of the electric knife handle, a clamping hole and a limiting hole are formed in the connecting seat, corrugated grooves for limiting are formed in the inner walls of the two sides of the limiting hole, a clamping groove is formed in the clamping hole, a clamping plate and a connecting block are arranged on the connector, a clamping connector is arranged on one end of the clamping plate, which faces away from the connector, corrugated plates matched with the corrugated grooves are arranged on the two side faces of the connecting block, the clamping connector is arranged towards the clamping groove, and is matched with the clamping hole, be provided with first inclined plane on the side that the joint board dorsad the joint head, spacing hole is inserted to the connecting block, the buckled plate inserts corresponding ripple inslot, the joint board inserts the card hole, the draw-in groove is gone into to the joint head card, in order to fix the connector on the connecting seat, be provided with the through-hole on the connecting seat, through-hole sliding connection has the button, the button is connected with the spring that is used for reseing, the one end of spring is connected on the connecting seat, the one end of button is provided with the second inclined plane, when dismantling, press the button, the one end of button passes the through-hole, and stretch into in the draw-in groove, the joint head is compelled tightly to the second inclined plane, it breaks away from the draw-in groove to drive the joint head, so that the joint board roll-off the card hole, so that the connector breaks away from the connecting seat.
The invention is further configured to: be provided with the motor on the connector, the axle bed and the connecting hole that supplies to attract the pipe to pass, the first gear of fixedly connected with on the output shaft of motor, be provided with shaft hole and recess on the axle bed, be provided with the second gear in the recess, first gear and second gear meshing, the second gear is provided with the screw hole, connecting hole and attract pipe adaptation, and sliding connection attracts fixedly connected with regulating plate on the pipe, it is connected with the screw shaft to be provided with the rotation on the regulating plate, shaft hole and screw hole are passed to the one end of screw shaft, and with second gear threaded connection.
The invention is further configured to: the axle bed is including the pedestal, the left and right sides of pedestal is first grip block of fixedly connected with and second grip block respectively, the second gear setting is between first grip block and second grip block, the quantity in shaft hole is two, and set up respectively on first grip block and on the second grip block, all be provided with first annular on the face that first grip block and second grip block are relative, all be provided with the second annular with first annular adaptation on two sides of second gear, be provided with a plurality of balls that are used for reducing the friction between first annular and the corresponding second annular.
The invention is further configured to: the suction tube is provided with a camera, and the control center is respectively connected with the electrotome main machine, the gas collecting device, the camera, the display screen and the motor.
The invention is further configured to: the frame mounting has gas-liquid separation equipment, the last air inlet that is provided with of gas-liquid separation equipment, the gas outlet, liquid outlet and separation chamber, it still is connected with the hose to attract the pipe, the air inlet sets up the top at gas-liquid separation equipment, and be connected with the hose, the gas outlet sets up on gas-liquid separation equipment's lateral wall, and be connected with the gas collecting device, the liquid outlet sets up the bottom at gas-liquid separation equipment, and can dismantle and be connected with the collecting bottle, be provided with the separator tube in the separation chamber, the upper end of separator tube is connected on the air inlet, it is gapped between the lower extreme of separator tube and the bottom surface of separation chamber, and set up in the top of liquid outlet, be provided with the separating ring on the outer wall of separator tube, the lateral surface of separating ring is connected on the inner wall of separation chamber, the top of separating ring is provided with the active carbon layer that is used for absorbing moisture.
The invention is further configured to: the suction tube is also provided with a universal head and a searchlighting head which is rotationally connected with the suction tube through the universal head.
The invention is further configured to: the clamping head is provided with an arc-shaped surface, and a lubricating layer for reducing friction is arranged on the arc-shaped surface.
In conclusion, the invention has the following beneficial effects: when using, medical personnel handheld attracts the pipe, aim at the joint board and insert the card hole, because joint board and card hole adaptation, make to connect closely, just male joint can be pressed by the inner wall in card hole, make the joint board crooked, first inclined plane makes the joint head can insert the card hole smoothly, until the joint head joint income draw-in groove, in order to fix the connector on the connecting seat, thereby will attract the pipe to fix on the electric knife handle, so that the convenience is used, attract smog when performing the operation, guarantee that the operation field of vision is clear. After using, medical personnel press the button with the hand, and the one end of button passes the through-hole to in stretching into the draw-in groove, the joint head is pressed tightly on the second inclined plane, drives the joint head and breaks away from the draw-in groove, and medical personnel take the joint board out the card hole, so that the connector breaks away from the connecting seat, so that wash the maintenance, ensure the cleaning performance.
Drawings
FIG. 1 is a schematic view of a structure of a vacuum suction electrotome;
FIG. 2 is an enlarged view A of FIG. 1;
FIG. 3 is an enlarged view B of FIG. 1;
FIG. 4 is a schematic structural view of a corrugated sheet;
FIG. 5 is a schematic structural view of a frame;
fig. 6 is a schematic structural view of the gas-liquid separation device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-6, a negative pressure suction electric knife comprises an electric knife main body 12, an electric knife handle 11 for holding is connected to the electric knife main body 12, an electric knife head 1 for cutting is connected to the front end of the electric knife handle 11, a gas collecting device 22 for providing negative pressure is further included, the gas collecting device 22 is connected with a suction tube 21 for guiding air flow, a suction head 2 for sucking smoke is arranged at the front end of the suction tube 21, a connector 3 is arranged on the tube body of the suction tube 21, a connecting seat 4 is further arranged on the handle body of the electric knife handle 11, a clamping hole 41 and a limiting hole 42 are arranged on the connecting seat 4, corrugated grooves 421 for limiting are respectively arranged on the inner walls of the two sides of the limiting hole 42, a clamping groove 411 is arranged in the clamping hole 41, a clamping plate 31 and a connecting block 32 are arranged on the connecting seat 3, a clamping joint 311 is arranged on one end of the clamping plate 31 opposite to the connecting seat 3, corrugated plates 321 adapted to the corrugated grooves 421 are respectively arranged on the two side faces of the connecting block 32, the card connecting head 311 is arranged towards the card slot 411, the card connecting plate 31 is matched with the card hole 41, the side surface of the card connecting plate 31, which is back to the card connecting head 311, is provided with a first inclined surface 312, the connecting block 32 is inserted into the limiting hole 42, the corrugated plate 321 is inserted into the corresponding corrugated groove 421, the card connecting plate 31 is inserted into the card hole 41, the card connecting head 311 is clamped into the card slot 411, so as to fix the connector 3 on the connector holder 4, a through hole 43 is formed on the connector holder 4, a button 431 is slidably connected to the through hole 43, the button 431 is connected with a spring 432 for resetting, one end of the spring 432 is connected to the connector holder 4, one end of the button 431 is provided with a second inclined surface 433, when the connector is detached, the button 431 is pressed, one end of the button 431 penetrates through the through hole 43 and extends into the clamping groove 411, the second inclined surface 433 tightly presses the clamping head 311 to drive the clamping head 311 to be separated from the clamping groove 411, so that the clamping plate 31 slides out of the clamping hole 41, and the connector 3 is separated from the connecting seat 4.
Through the above-mentioned scheme, when using, medical personnel are handheld to attract pipe 21, aim at joint plate 31 and insert card hole 41, because joint plate 31 and the adaptation of card hole 41, make to connect closely, just inserted joint 311 can be pressed by the inner wall of card hole 41, make joint plate 31 crooked, first inclined plane 433 makes joint 311 can insert card hole 41 smoothly, go into draw-in groove 411 until joint 311 card, in order to fix connector 3 on connecting seat 4, thereby will attract pipe 21 to fix on electrotome handle 11, in order to facilitate the use, attract smog when performing the operation, guarantee that the operation field of vision is clear. After using, medical personnel press button 431 with the hand, and through-hole 43 is passed to button 431's one end to stretch into in draw-in groove 411, second inclined plane 433 compels joint 311 tightly, drives joint 311 and breaks away from draw-in groove 411, and medical personnel take joint board 31 out card hole 41, so that connector 3 breaks away from connecting seat 4, so that wash and maintain, ensure the cleaning performance.
When connecting, insert spacing hole 42 through connecting block 32, in corrugated plate 321 inserted corresponding ripple groove 421, because card hole 41 and spacing hole 42 parallel arrangement to play spacing connector 3's effect, guarantee that the connection is stable firm. Because the smoke contains certain toxic components, the smoke is collected by the gas collecting device 22, so that the smoke is prevented from being emitted, and medical staff in an operating room is protected.
As an improved specific embodiment, the connector 3 is provided with a motor 33, a shaft seat 34 and a connecting hole 35 through which the suction tube 21 passes, the output shaft of the motor 33 is fixedly connected with a first gear 331, the shaft seat 34 is provided with a shaft hole 341 and a groove 342, the groove 342 is provided with a second gear 343, the first gear 331 is meshed with the second gear 343, the second gear 343 is provided with a threaded hole 344, the connecting hole 35 is adapted to the suction tube 21 and is slidably connected, the suction tube 21 is fixedly connected with an adjusting plate 211, the adjusting plate 211 is provided with a threaded shaft 212 in a rotating connection, and one end of the threaded shaft 212 passes through the shaft hole 341 and the threaded hole 344 and is in threaded connection with the second gear 343.
Through the above scheme, the motor 33 drives the first gear 331 to rotate, the first gear 331 drives the second gear 343 to rotate, and drives the threaded shaft 212 connected with the second gear 343 through threads to move relative to the connector 3, so as to drive the suction tube 31 to move relative to the connector 3, so as to adjust the position of the suction head 3, and ensure the effect of sucking smoke. The connecting hole 35 is matched with the suction tube 21 and is connected with the suction tube in a sliding mode, so that the guide and limiting effects are achieved, and the stable movement of the suction tube 31 is ensured. The screw rod structure has high precision and is suitable for medical instruments.
As a modified specific embodiment, the shaft seat 34 includes a seat body 344, the left and right sides of the seat body 344 are fixedly connected with a first clamping plate 344a and a second clamping plate 344b, respectively, a second gear 343 is disposed between the first clamping plate 344a and the second clamping plate 344b, the number of the shaft holes 341 is two, and the shaft holes are disposed on the first clamping plate 344a and the second clamping plate 344b, respectively, a first ring groove 344c is disposed on a surface of the first clamping plate 344a opposite to the second clamping plate 344b, a second ring groove 343a adapted to the first ring groove 344c is disposed on two side surfaces of the second gear 343, and a plurality of balls 343b for reducing friction are disposed between the first ring groove 344c and the corresponding second ring groove 343 a.
Through the above scheme, the first clamping plate 344a and the second clamping plate 344b function as a holder to limit the second gear 343 in the groove 342. The balls 343b are retained by the first annular groove 344c and the second annular groove 343a, and the balls 343b reduce friction between the second gear 343 and the first clamping plate 344a and the second clamping plate 344b, thereby preventing wear and prolonging the service life of the second gear 343.
As an improved specific embodiment, the electric knife system further comprises a rack 5, the electric knife main body 12 and the air collecting device 22 are both mounted on the rack 5, a display screen 51 and a control center 52 are arranged on the rack 5, a camera 53 is further arranged on the suction tube 21, and the control center 52 is respectively connected with the electric knife main body 12, the air collecting device 22, the camera 53, the display screen 51 and the motor 33.
Through the scheme, the rack 5 is convenient for placing various devices, is convenient for placing and moving, and plays a role in protection. The control center 52 is used for control, and the operation and the use are convenient. The camera 53 captures a video image in front of the electrotome and emits the video image through the display screen 51, so that the visual field is enlarged, and the operation of a doctor is facilitated.
As a modified specific embodiment, the frame 5 is provided with a gas-liquid separation device 6, the gas-liquid separation device 6 is provided with a gas inlet 61, a gas outlet 62, a liquid outlet 63 and a separation chamber 64, the suction pipe 21 is also connected with a hose 213, the gas inlet 61 is arranged at the top of the gas-liquid separation device 6, and is connected with a hose 213, an air outlet 62 is provided on the side wall of the gas-liquid separating device 6, and is connected with the gas collecting device 22, the liquid outlet 63 is arranged at the bottom of the gas-liquid separating device 6 and is detachably connected with a liquid collecting bottle 631, a separating pipe 641 is arranged in the separating chamber 64, the upper end of the separating pipe 641 is connected with the gas inlet 61, a gap is arranged between the lower end of the separating pipe 641 and the bottom surface of the separating chamber 64, and is disposed above the liquid outlet 63, a separating ring 642 is disposed on the outer wall of the separating tube 641, the outer side surface of the separating ring 642 is connected to the inner wall of the separating chamber 64, and an activated carbon layer 643 for absorbing moisture is disposed above the separating ring 642.
Through the scheme, in the using process, the suction head 2 introduces airflow with smoke, so that liquid such as blood and the like is easy to suck, if the liquid enters the gas collecting device 22, the gas collecting device 22 can be damaged, or the liquid is polluted after being discharged along with gas, so that the liquid is separated by the gas-liquid separating device 6. The liquid collecting bottle 631 stores liquid, so that cleaning is facilitated. The separating ring 642 filters the liquid further and absorbs the filtered liquid through the activated carbon layer 643, so as to prevent the liquid from being discharged with air as much as possible, thereby preventing the contamination of the operating room. The activated carbon layer 643 can filter the smoke, eliminate harmful components in the smoke, and perform a pre-filtering function.
As a modified specific embodiment, the suction tube 21 is further provided with a universal head 231 and a probe head 232, and the probe head 232 is rotatably connected to the suction tube 21 through the universal head 231.
Through the scheme, the searchlighting head 232 assists in lighting, the visual field is expanded, and the direction of rotation of the universal head 231 is used for expanding the visual field range which can be expanded.
In a modified embodiment, the clamping head 311 is provided with an arc surface 313, and the arc surface 313 is provided with a lubricating layer 314 for reducing friction.
With the above configuration, the arc surface 313 and the lubricating layer 314 are both for reducing friction as much as possible, so as to facilitate the insertion of the card connector 311 into the card hole 41.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. The utility model provides an electrotome of negative pressure suction, including electrotome host computer (12), be connected with electrotome handle (11) that are used for gripping on electrotome host computer (12), the front end of electrotome handle (11) is connected with electrotome head (1) that are used for carrying out the cutting, characterized by: the electric torch is characterized by further comprising a gas collecting device (22) used for providing negative pressure, wherein the gas collecting device (22) is connected with a suction tube (21) used for guiding air flow, the front end of the suction tube (21) is provided with a suction head (2) used for sucking smoke, a connector (3) is arranged on a tube body of the suction tube (21), a connecting seat (4) is further arranged on a handle body of the electric torch handle (11), a clamping hole (41) and a limiting hole (42) are formed in the connecting seat (4), corrugated grooves (421) used for limiting are formed in inner walls of two sides of the limiting hole (42), a clamping groove (411) is formed in the clamping hole (41), a clamping plate (31) and a connecting block (32) are arranged on the connector (3), a clamping connector (311) is arranged on one end, back to the connector (3), of the clamping plate (31), corrugated plates (321) used for being matched with the corrugated grooves (421) are arranged on two side faces of the connecting block (32), the bayonet joint (311) sets up towards draw-in groove (411), bayonet joint board (31) and card hole (41) adaptation, be provided with first inclined plane (312) on bayonet joint (311) side dorsad of bayonet joint board (31), spacing hole (42) are inserted in connecting block (32), corresponding ripple groove (421) are inserted in buckled plate (321), bayonet joint board (31) insert card hole (41), bayonet joint (311) card goes into draw-in groove (411) to fix connector (3) on connecting seat (4), be provided with through-hole (43) on connecting seat (4), through-hole (43) sliding connection has button (431), button (431) are connected with spring (432) that are used for reseing, the one end of spring (432) is connected on connecting seat (4), the one end of button (431) is provided with second inclined plane (433), when dismantling, the button (431) is pressed, one end of the button (431) penetrates through the through hole (43) and extends into the clamping groove (411), the clamping connector (311) is pressed by the second inclined surface (433), and the clamping connector (311) is driven to be separated from the clamping groove (411), so that the clamping plate (31) slides out of the clamping hole (41) conveniently, and the connecting head (3) is separated from the connecting seat (4);
the suction tube type vacuum cleaner is characterized in that a motor (33), an axle seat (34) and a connecting hole (35) for a suction tube (21) to penetrate through are arranged on the connector (3), an output shaft of the motor (33) is fixedly connected with a first gear (331), the axle seat (34) is provided with an axle hole (341) and a groove (342), a second gear (343) is arranged in the groove (342), the first gear (331) is meshed with the second gear (343), the second gear (343) is provided with a threaded hole, the connecting hole (35) is matched with the suction tube (21) and is in sliding connection with the suction tube, an adjusting plate (211) is fixedly connected to the suction tube (21), a threaded shaft (212) is rotatably connected to the adjusting plate (211), and one end of the threaded shaft (212) penetrates through the axle hole (341) and the threaded hole and is in threaded connection with the second gear (343);
axle bed (34) is including pedestal (344), the left and right sides of pedestal (344) is fixedly connected with first grip block (344 a) and second grip block (344 b) respectively, second gear (343) set up between first grip block (344 a) and second grip block (344 b), the quantity of shaft hole (341) is two, and set up respectively on first grip block (344 a) and on second grip block (344 b), all be provided with first annular (344 c) on first grip block (344 a) and the relative face of second grip block (344 b), all be provided with second annular (343 a) with first annular (344 c) adaptation on two sides of second gear (343), be provided with a plurality of balls (343 b) that are used for reducing friction between first annular (344 c) and the corresponding second annular (343 a).
2. The negative pressure suction electrotome according to claim 1, wherein: still including frame (5), electrotome host computer (12) and gas collecting device (22) are all installed on frame (5), be provided with display screen (51) and control center (52) on frame (5), still be provided with camera (53) on attracting pipe (21), control center (52) are connected with electrotome host computer (12), gas collecting device (22), camera (53), display screen (51) and motor (33) respectively.
3. The negative pressure suction electrotome according to claim 2, wherein: the air-liquid separation device is characterized in that the frame (5) is provided with an air inlet (61), an air outlet (62), a liquid outlet (63) and a separation chamber (64), the suction tube (21) is also connected with a hose (213), the air inlet (61) is arranged at the top of the air-liquid separation device (6) and is connected with the hose (213), the air outlet (62) is arranged on the side wall of the air-liquid separation device (6) and is connected with the gas collection device (22), the liquid outlet (63) is arranged at the bottom of the air-liquid separation device (6) and is detachably connected with a liquid collection bottle (631), the separation chamber (64) is internally provided with a separation tube (641), the upper end of the separation tube (641) is connected with the air inlet (61), and a gap is reserved between the lower end of the separation tube (641) and the bottom surface of the separation chamber (64), and is arranged above the liquid outlet (63), a separating ring (642) is arranged on the outer wall of the separating pipe (641), the outer side surface of the separating ring (642) is connected with the inner wall of the separating chamber (64), and an activated carbon layer (643) for absorbing water is arranged above the separating ring (642).
4. The negative pressure suction electrotome according to claim 3, wherein: the suction tube (21) is also provided with a universal head (231) and a searchlight head (232), and the searchlight head (232) is rotatably connected to the suction tube (21) through the universal head (231).
5. The negative pressure suction electrotome according to claim 4, wherein: an arc-shaped surface (313) is arranged on the clamping joint (311), and a lubricating layer (314) used for reducing friction is arranged on the arc-shaped surface (313).
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| CN202010844697.6A CN112022329B (en) | 2020-08-20 | 2020-08-20 | Negative pressure suction electric knife |
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| CN202010844697.6A CN112022329B (en) | 2020-08-20 | 2020-08-20 | Negative pressure suction electric knife |
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| CN112869933A (en) * | 2021-01-18 | 2021-06-01 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Cervical vertebra nursing device |
| CN113893417B (en) * | 2021-10-18 | 2023-03-24 | 深圳市新鸿镁医疗器械有限公司 | Piezoelectric net type atomization device |
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| EP3505120A1 (en) * | 2017-12-28 | 2019-07-03 | Ethicon LLC | Adjustments based on airborne particle properties |
| CN109106429A (en) * | 2018-08-22 | 2019-01-01 | 郭鸿洲 | A kind of internal medicine operation basin bottom operation puncturing device |
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