RF plasma surgical knife head and surgical knife thereofTechnical Field
The invention relates to the technical field of surgical knives of medical equipment, in particular to a radio frequency plasma surgical knife head and a surgical knife thereof.
Background
The plasma RF surgical knife is one kind of medical equipment for various kinds of operation and treatment, and consists of RF power source and electrode to convert electric energy into high frequency electromagnetic wave and form plasma, which is charged particle formed with ionized gas or liquid molecules or atoms and has high temperature and energy for cutting and coagulating tissue.
The chinese patent with publication number CN111973265B discloses a plasma radiofrequency surgical knife head, which comprises a handle back handle and a movable sleeve connected with one end of the handle back handle, the other end of the handle back handle is connected with a rotating motor, one end of the movable sleeve is connected with a needle tube sleeve, the interior of the needle tube sleeve is connected with a therapeutic knife head, the interior of the movable sleeve is provided with an adjusting component for adjusting the telescopic position of the therapeutic knife head, and the interior of the needle tube sleeve is connected with a flushing and sucking component for flushing and absorbing flushing liquid along with the position of the therapeutic knife head.
However, the above scheme has the following disadvantages: in the above patent, through the flushing pipe and the liquid suction pipe distributed on two sides of the therapeutic tool bit, the flushing liquid is timely pumped out to reduce the accumulation of blood at the wound, but in the actual use process, when the surgical tool bit needs to perform an operation at a specific position, such as the removal of the adenoid in the oral cavity, because the adenoid grows in the oral cavity, the traditional surgical tool bit needs to manually bend the surgical tool into a corresponding radian according to the position of the adenoid before use, and then the tissue is resected, which is troublesome to use, therefore, we push a radio frequency plasma surgical tool bit and the surgical tool thereof.
Disclosure of Invention
The invention aims to provide a radio frequency plasma surgical knife head and a surgical knife thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a radio frequency plasma surgical knife head, includes radio frequency plasma knife head body, radio frequency plasma knife head body lower extreme fixedly connected with a plurality of groups of electrode wires, radio frequency plasma knife head body one end and knife head connecting rod fixed connection, the knife head connecting rod outside has fixedly cup jointed a plurality of groups of go-between, makes the knife head connecting rod carry out the segmentation crooked through a plurality of groups of go-between, knife head connecting rod outside fixedly connected with solid fixed ring, gu fixed ring keep away from all around the radio frequency plasma knife head body one end all fixedly connected with flexible pipe, flexible pipe keep away from solid fixed ring one end and go-between fixed connection, a plurality of groups all fixedly connected with four groups of flexible pipe between the go-between, through the shrink and the stretching of control a plurality of groups of flexible pipe for the knife head connecting rod is crooked;
the telescopic pipe one end stretches into the connecting cavity and is fixedly connected with the sliding ring, the sliding ring is connected in the guide groove in a sliding way, the sliding ring is tightly attached to the guide groove, a supporting ring is movably connected in the connecting cavity, the guide groove is formed in one end of the supporting ring, the supporting ring is movably connected in the connecting cavity, a connecting hole is formed in the supporting ring, one end of the connecting hole is communicated with the guide groove, the other end of the connecting hole is communicated with the connecting groove, external air is led into three groups of connecting rings, the air entering the connecting groove enters the connecting groove, the air entering the connecting groove penetrates the connecting hole to enter the telescopic pipe, so that the telescopic pipe is stretched, the connecting groove is formed in the outer side of the supporting ring, one end of the supporting ring, far away from the sliding ring, is provided with a baffle ring, the inner end of the baffle ring is fixedly connected with a connecting pipe, and the upper end of the connecting pipe stretches out of the connecting ring.
Preferably, the inner side of the supporting ring is fixedly connected with a guide ring, the guide ring is slidingly connected in a sliding groove, and the sliding groove is arranged in the connecting cavity.
Preferably, the transmission mechanism comprises a toothed ring, the toothed ring is fixedly connected with the supporting ring, a gear is meshed with the inner side of the toothed ring, the gear is fixedly connected with the output end of the transmission motor, and the transmission motor is fixedly arranged in the connecting ring.
Preferably, guide grooves are formed in two sides of the connecting groove, two ends of the baffle ring are slidably connected in the guide grooves, a limiting ring is fixedly sleeved on the outer side of the telescopic pipe, and the limiting ring is fixedly connected with the cutter head connecting rod.
Preferably, the radio frequency plasma tool bit body is internal fixedly connected with pipette, cable and drain pipe respectively, cable and wire electrode intercommunication, pipette, cable and drain pipe keep away from radio frequency plasma tool bit body one end and stretch into in the tool bit connecting rod.
In addition, in order to achieve the above purpose, the invention also provides a scalpel, which consists of a handle mechanism and a scalpel head, wherein the scalpel head comprises the radio frequency plasma scalpel head.
Compared with the prior art, the invention has the beneficial effects that: when the telescopic pipe is used, the connecting holes are driven to sequentially rotate to the positions of the corresponding telescopic pipes through the rotation of the supporting rings, so that gas can enter the telescopic pipes through the connecting holes to inflate the telescopic pipes, the tool bit connecting rods are straightened, four groups of telescopic pipes are arranged at the front section, the middle section and the rear section of the tool bit connecting rods, the radian of bending is achieved according to the requirement, the telescopic pipes of the bending directions of the front section, the middle section and the rear section can be sequentially controlled to be contracted, and then the tool bit connecting rods are bent to the corresponding positions, so that the telescopic pipe is convenient to use.
Drawings
FIG. 1 is a schematic view of a top-down construction of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of the connection relationship between a connecting ring and a telescopic tube of the present invention;
FIG. 4 is a schematic view of a three-dimensional structure of the connection relationship between a support ring and a baffle ring according to the present invention;
FIG. 5 is a schematic view of a three-dimensional exploded cross-sectional structure of the connection of the support ring and the retainer ring of the present invention;
fig. 6 is a schematic diagram of a front view structure of the present invention.
In the figure: 1. a cutter head connecting rod; 2. a connecting ring; 3. a slip ring; 4. a baffle ring; 5. a connecting pipe; 6. a connecting cavity; 7. a gear; 8. a chute; 9. a telescopic tube; 10. a connecting groove; 11. a guide ring; 12. a guide groove; 13. a support ring; 14. a toothed ring; 15. a connection hole; 16. a guide groove; 17. a limiting ring; 18. a fixing ring; 19. a radiofrequency plasma tool bit body; 20. an electrode wire; 21. a cable; 22. a pipette; 23. a liquid outlet pipe; 24. and (5) a transmission motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution:
examples
The utility model provides a radio frequency plasma scalpel head, including radio frequency plasma scalpel head body 19, radio frequency plasma scalpel head body 19 lower extreme fixedly connected with a plurality of groups electrode silk 20, can switch on cable 21 through operating handle, can cut off the tissue through electrode silk 20 after the switch on is accomplished, radio frequency plasma scalpel head body 19 one end and tool bit connecting rod 1 fixed connection, a plurality of groups go-between 2 have been cup jointed in tool bit connecting rod 1 outside fixedly connected with solid fixed ring 18, gu fixed ring 18 keeps away from all fixedly connected with flexible pipe 9 all around in radio frequency plasma scalpel head body 19 one end, flexible pipe 9 keeps away from solid fixed ring 18 one end and go-between 2 fixed ring and go-between 2, all fixedly connected with four groups flexible pipe 9 between a plurality of groups go-between 2, four groups flexible pipe 9 set up around the outside of tool bit connecting rod 1 respectively, the radian size that buckles is all provided with four groups flexible pipe 9 at the front end, the middle section and the back end of tool bit connecting rod 1, flexible pipe 9 that the direction of buckling that can control the front end in proper order and middle section and back end set up shrink, and then make tool bit connecting rod 1 buckle to corresponding position.
One end of the telescopic pipe 9 extends into the connecting cavity 6 and is fixedly connected with the sliding ring 3, the sliding ring 3 is slidably connected in the guide groove 12, the sliding ring 3 is tightly attached and slidably connected in the guide groove 12, the gear 7 connected with the output end of the sliding ring is driven to start rotating through the rotation of the transmission motor 24, the gear 7 rotates to drive the toothed ring 14 to synchronously rotate, the toothed ring 14 rotates to drive the supporting ring 13 to start rotating, the position of one group of sliding rings 3 corresponds to the connecting hole 15, air can enter the telescopic pipe 9 connected with the group of sliding rings 3, the supporting ring 13 is movably connected in the connecting cavity 6, the connecting hole 15 is formed in the supporting ring 13, one end of the connecting hole 15 is communicated with the guide groove 12, the other end of the connecting hole 15 is communicated with the connecting groove 10, the connecting groove 10 is formed in the outer side of the supporting ring 13, one end of the supporting ring 13, which is far away from the sliding ring 3, is provided with a transmission mechanism, the connecting ring 4 is movably connected in the connecting groove 10, the connecting pipe 5 is fixedly connected in the retaining ring 4, the upper end of the connecting pipe 5 extends out of the connecting ring 2, and the retaining ring 4 is slidably connected in the connecting groove 10, and the air can not enter the connecting groove 10.
Examples
On the basis of embodiment 1, in order to enable the slip ring 3 to rotate in the process of rotation, the connecting pipe 5 cannot follow rotation, and meanwhile, gas in the connecting groove 10 cannot leak outwards, the inner side of the supporting ring 13 is fixedly connected with the guide ring 11, the guide ring 11 slides in the sliding groove 8, the sliding groove 8 is arranged in the connecting cavity 6, the guide ring 11 connected with the inner side of the supporting ring 13 can be driven to rotate when the supporting ring 13 rotates, the guide ring 11 moves along the sliding groove 8 in the process of rotation, and the supporting ring 13 cannot shake in the process of rotation.
The transmission mechanism comprises a toothed ring 14, the toothed ring 14 is fixedly connected with a supporting ring 13, a gear 7 is meshed with the inner side of the toothed ring 14, the gear 7 is fixedly connected to the output end of a transmission motor 24, the transmission motor 24 is fixedly installed in a connecting ring 2, the transmission motor 24 rotates to drive the gear 7 connected with the output end of the transmission motor to start rotating, the gear 7 rotates to drive the toothed ring 14 to synchronously rotate, and the toothed ring 14 rotates to drive the supporting ring 13 to start rotating.
Guide grooves 16 are formed in two sides of the connecting groove 10, two ends of the baffle ring 4 are slidably connected in the guide grooves 16, limiting rings 17 are fixedly sleeved on the outer sides of the telescopic tubes 9, the limiting rings 17 are fixedly connected with the cutter head connecting rod 1, and the connecting tubes 5 are fixedly connected in the baffle ring 4, so that when the supporting ring 13 rotates, the baffle ring 4 cannot rotate along with the supporting ring 13 due to the fact that the baffle ring 4 is limited, and meanwhile, the baffle ring 4 is tightly attached and slidably connected in the guide grooves 16, so that gas cannot overflow from the inside of the connecting groove 10 in the rotating process of the supporting ring 13.
The radio frequency plasma tool bit body 19 is fixedly connected with a liquid suction pipe 22, a cable 21 and a liquid outlet pipe 23 respectively, the cable 21 is communicated with the electrode wire 20, one end, far away from the radio frequency plasma tool bit body 19, of the liquid suction pipe 22, the cable 21 and the liquid outlet pipe 23 stretches into the tool bit connecting rod 1, the cable 21 can be electrified through an operating handle, after the electrification is finished, tissues can be resected through the electrode wire 20, physiological saline can be led into the liquid outlet pipe 23 through the operating handle, and then the washed physiological saline is sucked out through the liquid suction pipe 22.
In addition, in order to achieve the above purpose, the invention also provides a scalpel, which consists of a handle mechanism and a scalpel head, wherein the scalpel head comprises the radio frequency plasma scalpel head.
The operating principle is that when the device is used, the cable 21 can be electrified through the operating handle, the tissue can be resected through the electrode wire 20 after the electrification is finished, meanwhile, the normal saline can be led into the liquid outlet pipe 23 through the operating handle, the cleaned normal saline is sucked out through the liquid suction pipe 22, external gas can enter the connecting pipe 5 through the operating handle, the gas entering the connecting pipe 5 can sequentially enter the three groups of connecting rings 2, the gas finally enters the connecting groove 10, and the gas entering the connecting groove 10 passes through the connecting holes 15 and enters the group of telescopic pipes 9;
when one group of telescopic pipes 9 is filled with gas, the transmission motor 24 rotates to drive the gear 7 connected with the output end of the telescopic pipes to start rotating, the gear 7 rotates to drive the toothed ring 14 to synchronously rotate, the toothed ring 14 rotates to drive the supporting ring 13 to start rotating, the connecting holes 15 formed in the supporting ring 13 follow the rotation and move to the positions of the other group of telescopic pipes 9, and simultaneously the telescopic pipes 9 are inflated inwards, after the four groups of telescopic pipes 9 are filled with gas, the cutter head connecting rod 1 is straightened, after the four groups of telescopic pipes 9 are filled with gas, the connecting holes 15 are controlled to rotate to other positions and are not communicated with the four groups of telescopic pipes 9;
when the tool bit connecting rod 1 needs to be bent, the connecting hole 15 is rotated to the telescopic pipe 9 at the position of the bending direction, the connecting pipe 5 is sucked outwards through the control handle after the rotation is completed, and the telescopic pipe 9 communicated with the connecting hole 15 can be contracted together after gas is extracted, so that the tool bit connecting rod 1 is bent.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.