CN111904533B - Ultrasonic osteotome for spinal surgery - Google Patents
Ultrasonic osteotome for spinal surgery Download PDFInfo
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- CN111904533B CN111904533B CN202010789352.5A CN202010789352A CN111904533B CN 111904533 B CN111904533 B CN 111904533B CN 202010789352 A CN202010789352 A CN 202010789352A CN 111904533 B CN111904533 B CN 111904533B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
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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
- A61B90/08—Accessories or related features not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising tissue
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Abstract
The invention discloses an ultrasonic osteotome for spinal surgery, which comprises a shell, a liquid cooling mechanism, an ultrasonic osteotome body, a power supply structure and a storage mechanism, wherein the liquid cooling mechanism is fixedly arranged inside the shell, the ultrasonic osteotome body is arranged outside the shell and is communicated with the liquid cooling mechanism, the power supply structure is fixedly arranged inside the shell, and the power supply structure is respectively and electrically connected with the ultrasonic osteotome body and the liquid cooling mechanism. The ultrasonic osteotome can prevent coolant from flowing in an incision on a patient, thereby effectively ensuring clear surgical field, further ensuring that a doctor can smoothly perform an operation on the patient, not directly utilizing commercial power for power supply, effectively ensuring that the ultrasonic osteotome can be normally used when power is off, being convenient to store and further being convenient to use, and further effectively avoiding the damage of a scalpel head due to touch or impact.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ultrasonic osteotome for spinal surgery.
Background
Ultrasonic osteotomes are innovative techniques having many features and advantages not comparable to conventional manual and powered orthopedic surgical instruments. The high-intensity focused ultrasound technology is utilized, the transducer converts electric energy into mechanical energy, water in tissue cells in contact is vaporized through high-frequency ultrasonic oscillation, and protein hydrogen bonds are broken, so that bone tissues needing to be cut in an operation are thoroughly damaged. In use, the temperature of the ultrasonic blade tip is below 38 ℃ and the ambient propagation distance is less than 200 microns. Because the high-intensity focused ultrasonic waves only have a destructive effect on bone tissues with specific hardness, blood vessels and nerve tissues cannot be damaged, the high-intensity focused ultrasonic waves also have a hemostatic effect on an operation wound, the wound of a minimally invasive operation is further reduced, and the accuracy, reliability and safety of the operation are greatly improved.
The temperature of the ultrasonic scalpel head is required to be lower than 38 ℃ when the ultrasonic scalpel head is used, so that the ultrasonic scalpel head needs to be cooled, and the cooling means adopted in the prior art is to cool the ultrasonic scalpel head by using water drops, so that the aim of cooling the ultrasonic scalpel head can be fulfilled, but the water drops can flow in a cut on a patient body, the surgical field is unclear, and the doctor is influenced to smoothly carry out the operation on the patient; secondly, the ultrasonic osteotome in the prior art is directly powered by commercial power, so that the ultrasonic osteotome can not be normally used when power is off; in addition, the ultrasonic osteotome in the prior art is inconvenient to store, causes inconvenience in use, and is easy to damage due to the fact that the scalpel head touches or collides.
Therefore, an ultrasonic osteotome for spinal surgery is provided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an ultrasonic osteotome for spinal surgery, which can prevent coolant from flowing in an incision on a patient body, thereby effectively ensuring clear operative field, further ensuring that a doctor smoothly performs an operation on the patient, not directly utilizing commercial power for power supply, effectively ensuring that the ultrasonic osteotome can be normally used when power is off, being convenient to store and further being convenient to use, and effectively avoiding damage to a scalpel head due to touch or impact, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a backbone surgery is with supersound osteotome, includes shell, liquid cooling mechanism, supersound osteotome body, power supply structure and deposits the mechanism, liquid cooling mechanism fixed mounting is in the inside of shell, supersound osteotome body sets up the outside of shell, just supersound osteotome body with liquid cooling mechanism is linked together, power supply structure fixed mounting be in the inside of shell, just power supply structure respectively with supersound osteotome body with liquid cooling mechanism electric connection, deposit mechanism fixed mounting be in on the outside of shell, just deposit the mechanism and be used for depositing supersound osteotome body.
By adopting the technical scheme, the ultrasonic osteotome body is used for performing an operation on a patient and cutting bones specially; the liquid cooling mechanism is used for cooling the ultrasonic osteotome body; the power supply structure is used for supplying power for the ultrasonic osteotome body and the liquid cooling mechanism, and the storage mechanism is used for storing the ultrasonic osteotome body.
Further, supersound osteotome body includes pencil casing, end cover, connecting seat, ultrasonic vibration transducer, tool bit, feed liquor pipe and returns the liquid pipe, end cover fixed mounting in the end of pencil casing, connecting seat fixed mounting in the most advanced inside of pencil casing, just the inside symmetry of connecting seat has seted up inlet channel and has returned the liquid passageway, ultrasonic vibration transducer fixed mounting in the connecting seat orientation the one end tip of end cover, the tool bit runs through the most advanced and the spiro union of pencil casing are in the connecting seat dorsad inside the one end tip of end cover, just the inside reservation of tool bit has U-shaped cooling channel, U-shaped cooling channel's one end with inlet channel is linked together, and states U-shaped cooling channel's the other end with return the liquid passageway and be linked together, the feed liquor pipe with the equal fixed mounting of liquid pipe on the end cover, one end of the liquid inlet pipe is communicated with the liquid inlet channel, and one end of the liquid return pipe is communicated with the liquid return channel.
Through adopting above-mentioned technical scheme, the supersound osteotome body that sets up is by the pencil casing, the end cover, the connecting seat, the ultrasonic vibration transducer, the tool bit, feed liquor pipe and return the liquid pipe and constitute, when using, the ultrasonic vibration transducer provides ultrasonic vibration for the tool bit, the tool bit is used for cutting patient's bone, the connecting seat is used for installing the tool bit, feed liquor pipe and return the liquid pipe and be used for connecting liquid cooling mechanism, secondly, at U-shaped cooling channel, feed liquor channel, return the liquid passageway, feed liquor pipe and return the liquid pipe and mutually support down, usable liquid, for example, the cold water, pass through the feed liquor pipe with the cold water, feed liquor channel, U-shaped cooling channel, return liquid passageway and return the liquid pipe circulation back and forth and cool for the tool bit, can avoid cold rivers in the incision on the patient's body, thereby effectively guarantee the art wild clear, and then can guarantee that the doctor carries out the operation for the patient smoothly.
Further, liquid cooling mechanism is including joining in marriage dress board, pump, coolant liquid container and semiconductor refrigeration piece, join in marriage dress board fixed mounting on the inside wall of shell, the pump passes through fixing base fixed mounting join in marriage the upper portion of dress board, just the water inlet of pump through first hose with the other end of returning the liquid pipe is linked together, the coolant liquid is equipped with to the inside of coolant liquid container, just the one end of coolant liquid container pass through the pipeline with the delivery port of pump is linked together, the other end of coolant liquid container pass through the second hose with the other end of feed liquor pipe is linked together, the semiconductor refrigeration piece inlays the dress and is in on the lateral surface of coolant liquid container, just the hot side of semiconductor refrigeration piece dorsad the coolant liquid container sets up.
Through adopting above-mentioned technical scheme, the liquid cooling mechanism of setting is by the accessory plate, the pump, coolant liquid container and semiconductor refrigeration piece constitute, when using, the semiconductor refrigeration piece is used for cooling down for the inside coolant liquid (for example cold water) of coolant liquid container, utilize the inside coolant liquid that the inside temperature of U-shaped cooling channel of tool bit risees to pump into the inside of coolant liquid container with the pump simultaneously, cool down for the tool bit with the inside U-shaped cooling channel of coolant liquid pump income tool bit inside of coolant liquid container again, it is better to make the cooling effect of liquid cooling mechanism to the tool bit like this, especially important, this kind of technological means can prevent in the incision of coolant liquid stream on one's body of patient, thereby effectively guarantee the art wild and clear, and then can guarantee that the doctor carries out the operation for the patient smoothly.
Further, the power supply structure includes mounting panel, battery, first transformer, second transformer and third transformer, mounting panel fixed mounting be in the inside of shell, the battery first transformer second transformer and the equal fixed mounting of third transformer be in the upper portion of mounting panel, first transformer second transformer and the third transformer all with battery electric connection, first transformer with ultrasonic vibration transducer electric connection, the second transformer with pump electric connection, the third transformer with semiconductor refrigeration piece electric connection.
Through adopting above-mentioned technical scheme, the power supply structure that sets up comprises mounting panel, battery, first transformer, second transformer and third transformer for first transformer is the power supply of ultrasonic vibration transducer, and the second transformer is the pump power supply, and the third transformer is the power supply of semiconductor refrigeration piece, makes this supersound osteotome not directly utilize the commercial power to supply power, can effectively guarantee that supersound osteotome can also normal use when having a power failure.
Furthermore, a temperature probe is fixedly mounted on the cooling liquid container, a display screen with a built-in controller is fixedly mounted on the outer side face of the shell, the built-in controller of the display screen is electrically connected with the temperature probe, an indicator lamp is fixedly mounted at the top of the shell, and the indicator lamp is electrically connected with the built-in controller of the display screen.
Through adopting above-mentioned technical scheme, temperature probe is used for the inside temperature of real-time detection coolant liquid container, when the inside temperature of coolant liquid container is higher than 38 ℃, temperature probe sends detected signal for the controller, the temperature that controller control pilot lamp bright red light suggestion operation doctor's tool bit is not conform to the operation requirement, please further cool down immediately, when the inside temperature of coolant liquid container is less than 35 ℃, the temperature that the pilot lamp bright green light suggestion operation doctor's tool bit accords with the operation requirement, can use by worrying about.
Further, a sealing gasket is arranged at the junction of the cutter head and the connecting seat and is made of silica gel, two through holes are reserved in the sealing gasket, one of the through holes is located between one end of the U-shaped cooling channel and the liquid inlet channel, and the other through hole is located between the other end of the U-shaped cooling channel and the liquid return channel.
Through adopting above-mentioned technical scheme, seal gasket can prevent that the juncture of tool bit and connecting seat from leaking liquid to guarantee that supersound osteotome body can not the weeping.
Further, deposit the mechanism including placing box, draw-in groove body and sponge protection pad, it is in to place box fixed mounting on the lateral surface of shell, the draw-in groove body is provided with two at least, just the draw-in groove body passes through supporting shoe fixed mounting place the interior diapire upper portion of box, the inside of draw-in groove body have with the opening draw-in groove of pencil casing looks adaptation, the sponge protection pad is provided with two, two the sponge protection pad respectively fixed mounting place on the both ends inner wall of placing the box.
Through adopting above-mentioned technical scheme, the mechanism of depositing that sets up comprises placing box, draw-in groove body and sponge protection pad, and when using, puts the direct card of supersound osteotome body inside the inside opening draw-in groove of draw-in groove body for this supersound osteotome uses more conveniently, and the sponge protection pad is used for protecting the tool bit, can prevent that the tool bit from leading to the tool bit to damage with the both ends inner wall contact of placing the box.
Further, a first control switch, a second control switch and a third control switch are fixedly mounted on the outer side surface of the shell, the first control switch is connected between the first transformer and the ultrasonic vibration transducer in series, the second control switch is connected between the second transformer and the pump in series, and the third control switch is connected between the third transformer and the semiconductor chilling plate in series.
By adopting the technical scheme, the first control switch is used for controlling the ultrasonic vibration transducer to work, and the second control switch is used for controlling the pump to work; the third control switch is used for controlling the semiconductor refrigerating piece to work, so that the ultrasonic osteotome is convenient to operate.
Further, the shell dorsad a side of display screen is open structure, just install the apron through the bolt on the shell is open structure's a side, still reserve the louvre on the apron, still inlay on the lateral wall of shell and be equipped with radiator fan, radiator fan with the louvre cooperatees the setting, just radiator fan is just right the hot side setting of semiconductor refrigeration piece.
Through adopting above-mentioned technical scheme for the apron is convenient for carry out the dismouting, and the later stage of being convenient for is maintained the inside part of shell, and secondly, louvre and radiator fan work of cooperating are used for the hot side heat dissipation cooling for the semiconductor refrigeration piece, thereby guarantee that the refrigeration performance of semiconductor refrigeration piece is more stable.
Further, the top of shell still fixed mounting has the handle, just the bottom of shell still fixed mounting has four stabilizer blades that the symmetry set up.
Through adopting above-mentioned technical scheme, this supersound osteotome is mentioned to the accessible handle for this supersound osteotome is mentioned more conveniently, and four stabilizer blades have better supporting role to the shell, are favorable to stable the placing of this supersound osteotome.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, the semiconductor refrigerating sheet is used for cooling the cooling liquid in the cooling liquid container, meanwhile, the pump is used for pumping the cooling liquid with the increased temperature in the U-shaped cooling channel in the cutter head into the cooling liquid container for cooling, and then the cooling liquid cooled in the cooling liquid container is pumped into the U-shaped cooling channel in the cutter head for cooling the cutter head, so that the cooling effect of the liquid cooling mechanism on the cutter head is better, and more importantly, the technical means can prevent the cooling liquid from flowing into the incision on the patient body, thereby effectively ensuring the surgical field to be clear, and further ensuring that a doctor can smoothly perform an operation on the patient;
2. according to the invention, the arranged power supply structure is composed of the mounting plate, the storage battery, the first transformer, the second transformer and the third transformer, so that the first transformer supplies power for the ultrasonic vibration transducer, the second transformer supplies power for the pump, and the third transformer supplies power for the semiconductor refrigeration piece, so that the ultrasonic osteotome is not directly supplied with power by commercial power, and the ultrasonic osteotome can be effectively ensured to be normally used during power failure;
3. according to the ultrasonic osteotome knife, the storage mechanism is composed of the storage box, the clamping groove body and the sponge protection pad, when the ultrasonic osteotome body is stored in the storage box, the ultrasonic osteotome body is directly clamped in the opening clamping groove in the clamping groove body, so that the ultrasonic osteotome body is convenient to store and use, and the damage of a knife head due to touch or impact can be effectively avoided under the action of the sponge protection pad.
Drawings
FIG. 1 is a schematic structural view of an ultrasonic osteotome for spinal surgery according to one embodiment;
FIG. 2 is one of the schematic structural views from another perspective of an ultrasonic osteotome for spinal surgery according to one embodiment;
FIG. 3 is a second schematic view of another perspective of the ultrasonic osteotome for spinal surgery according to one embodiment;
FIG. 4 is a schematic structural view of FIG. 3 with the cover plate removed;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
FIG. 6 is a schematic structural view of one embodiment of a storage mechanism for an ultrasonic osteotome for spinal surgery;
FIG. 7 is a partial schematic view of an embodiment of an ultrasonic osteotome for spinal surgery;
FIG. 8 is an enlarged schematic view of the detail view A of FIG. 7;
FIG. 9 is a cross-sectional view of an ultrasonic osteotome body of an ultrasonic osteotome for spinal surgery, in accordance with one embodiment;
fig. 10 is an enlarged schematic view of a partial view B in fig. 9.
In the figure: 1. a housing; 2. an ultrasonic osteotome body; 201. a pen-shaped housing; 202. an end cap; 203. a liquid inlet pipe; 204. a liquid return pipe; 205. an ultrasonic vibration transducer; 206. a cutter head; 207. a connecting seat; 208. sealing gaskets; 209. a U-shaped cooling channel; 210. a liquid inlet channel; 211. a liquid return channel; 3. a liquid cooling mechanism; 301. assembling a plate; 302. a semiconductor refrigeration sheet; 303. a coolant container; 304. a pump; 305. a fixed seat; 4. a power supply structure; 401. mounting a plate; 402. a storage battery; 403. a first transformer; 404. a second transformer; 405. a third transformer; 5. a storage mechanism; 501. placing the box; 502. a slot body; 503. a support block; 504. a sponge protective pad; 6. a cover plate; 7. a handle; 8. a first control switch; 9. a second control switch; 10. a third control switch; 11. a display screen; 12. an indicator light; 13. a first hose; 14. a second hose; 15. a bolt; 16. heat dissipation holes; 17. a heat radiation fan; 18. and (3) a support leg.
Detailed Description
The present invention is described in further detail below with reference to figures 1-10.
Example 1
The utility model provides a backbone surgery is with supersound osteotome, as shown in fig. 1 and 4, includes shell 1, liquid cooling mechanism 3, supersound osteotome body 2, power supply structure 4 and deposits mechanism 5, 3 fixed mounting of liquid cooling mechanism are in the inside of shell 1, supersound osteotome body 2 sets up the outside of shell 1, just supersound osteotome body 2 with liquid cooling mechanism 3 is linked together, power supply structure 4 fixed mounting be in the inside of shell 1, just power supply structure 4 respectively with supersound osteotome body 2 with 3 electric connection of liquid cooling mechanism, deposit mechanism 5 fixed mounting be in on the outside of shell 1, just it is used for depositing to deposit mechanism 5 supersound osteotome body 2. According to the technical scheme, the ultrasonic osteotome body 2 is used for performing an operation on a patient and cutting bones specially; the liquid cooling mechanism 3 is used for cooling the ultrasonic osteotome body 2; the power supply structure 4 is used for supplying power to the ultrasonic osteotome body 2 and the liquid cooling mechanism 3, and the storage mechanism 5 is used for storing the ultrasonic osteotome body 2.
Preferably, as shown in fig. 1 and 9-10, the ultrasonic osteotome body 2 includes a pen-shaped housing 201, an end cap 202, a connecting seat 207, an ultrasonic vibration transducer 205, a cutting head 206, a liquid inlet tube 203 and a liquid return tube 204, the end cap 202 is fixedly mounted at the end of the pen-shaped housing 201, the connecting seat 207 is fixedly mounted inside the tip of the pen-shaped housing 201, and the connecting seat 207 is symmetrically provided with a liquid inlet channel 210 and a liquid return channel 211, the ultrasonic vibration transducer 205 is fixedly mounted at an end of the connecting seat 207 facing the end cap 202, the cutting head 206 penetrates through the tip of the pen-shaped housing 201 and is screwed inside an end of the connecting seat 207 facing away from the end cap 202, a U-shaped cooling channel 209 is reserved inside the cutting head 206, and one end of the U-shaped cooling channel 209 is communicated with the liquid inlet channel 210, the other end of the U-shaped cooling channel 209 is communicated with the liquid return channel 211, the liquid inlet pipe 203 and the liquid return pipe 204 are both fixedly mounted on the end cover 202, one end of the liquid inlet pipe 203 is communicated with the liquid inlet channel 210, and one end of the liquid return pipe 204 is communicated with the liquid return channel 211. In the technical scheme, the ultrasonic osteotome body 2 is composed of a pen-shaped shell 201, an end cover 202, a connecting seat 207, an ultrasonic vibration transducer 205, a scalpel head 206, a liquid inlet pipe 203 and a liquid return pipe 204, in use, the ultrasonic vibration transducer 205 provides ultrasonic vibration to the cutting head 206, the cutting head 206 is used for cutting bone of a patient, the connecting seat 207 is used for installing the cutting head 206, the liquid inlet pipe 203 and the liquid return pipe 204 are used for connecting the liquid cooling mechanism 3, secondly, under the mutual cooperation of the U-shaped cooling channel 209, the liquid inlet channel 210, the liquid return channel 211, the liquid inlet pipe 203 and the liquid return pipe 204, the cold water can be circulated back and forth to cool the cutter head 206 by using a liquid, such as cold water, through the liquid inlet pipe 203, the liquid inlet channel 210, the U-shaped cooling channel 209, the liquid return channel 211 and the liquid return pipe 204, so that the cold water can be prevented from flowing into the incision on the patient body, thereby effectively ensuring the surgical field to be clear and further ensuring the doctor to smoothly carry out the operation for the patient.
Preferably, as shown in fig. 1, 4, 5 and 7-8, the liquid cooling mechanism 3 includes a mounting plate 301, a pump 304, a cooling liquid container 303 and a semiconductor chilling plate 302, the fitting plate 301 is fixedly installed on the inner side wall of the housing 1, the pump 304 is fixedly installed on the upper portion of the fitting plate 301 through a fixing base 305, and the water inlet of the pump 304 is communicated with the other end of the liquid return pipe 204 through a first hose 13, the cooling liquid container 303 contains cooling liquid therein, and one end of the cooling liquid container 303 is communicated with the water outlet of the pump 304 through a pipeline, the other end of the cooling liquid container 303 is communicated with the other end of the liquid inlet pipe 203 through a second hose 14, the semiconductor refrigeration piece 302 is embedded on the outer side surface of the cooling liquid container 303, and the hot surface of the semiconductor chilling plate 302 is arranged opposite to the cooling liquid container 303. The liquid cooling mechanism 3 that sets up comprises the fitting plate 301, the pump 304, coolant liquid container 303 and semiconductor refrigeration piece 302, when using, semiconductor refrigeration piece 302 is used for cooling for the inside coolant liquid (for example cold water) of coolant liquid container 303, utilize the inside coolant liquid that the inside temperature of U-shaped cooling channel 209 of tool bit 206 rose of pump 304 simultaneously to pour into the inside of coolant liquid container 303 into, cool off, the inside of the inside U-shaped cooling channel 209 of tool bit 206 is gone into to the pump of the inside refrigerated coolant liquid pump of coolant liquid container 303 again for tool bit 206 cools off, make liquid cooling mechanism 3 better to the cooling effect of tool bit 206 like this, it is especially important, this kind of technological means can prevent that the coolant liquid from in the incision on the patient, thereby effectively guarantee the art field clear, and then can guarantee that the doctor carries out the operation for the patient smoothly.
Preferably, as shown in fig. 4, 5 and 9, the power supply structure 4 includes a mounting plate 401, a storage battery 402, a first transformer 403, a second transformer 404 and a third transformer 405, the mounting plate 401 is fixedly mounted inside the housing 1, the storage battery 402, the first transformer 403, the second transformer 404 and the third transformer 405 are all fixedly mounted on the upper portion of the mounting plate 401, the first transformer 403, the second transformer 404 and the third transformer 405 are all electrically connected to the storage battery 402, the first transformer 403 is electrically connected to the ultrasonic vibration transducer 205, the second transformer 404 is electrically connected to the pump 304, and the third transformer 405 is electrically connected to the semiconductor cooling plate 302. The power supply structure 4 that sets up comprises mounting panel 401, battery 402, first transformer 403, second transformer 404 and third transformer 405 for first transformer 403 supplies power for ultrasonic vibration transducer 205, and second transformer 404 supplies power for pump 304, and third transformer 405 supplies power for semiconductor refrigeration piece 302, makes this supersound osteotome not directly utilize the commercial power to supply power, can effectively guarantee that supersound osteotome can also normal use when having a power failure.
Preferably, as shown in fig. 1 and 5, a temperature probe is further fixedly mounted on the cooling liquid container 303, a display screen 11 with a built-in controller is further fixedly mounted on an outer side surface of the housing 1, the built-in controller of the display screen 11 is electrically connected with the temperature probe, an indicator light 12 is further fixedly mounted on a top of the housing 1, and the indicator light 12 is electrically connected with the built-in controller of the display screen 11. The temperature probe is used for detecting the temperature inside the cooling liquid container 303 in real time, when the temperature inside the cooling liquid container 303 is higher than 38 ℃, the temperature probe sends a detection signal to the controller, the controller controls the indicator lamp 12 to light red light to prompt that the temperature of the scalpel head 206 does not meet the use requirement, and the operator is asked to further cool immediately, when the temperature inside the cooling liquid container 303 is lower than 35 ℃, the indicator lamp 12 lights green light to prompt that the temperature of the scalpel head 206 meets the use requirement, and the use can be relieved.
It should be noted that, the temperature probe may be an NTC temperature probe, the indicator light 12 may be a two-color LED signal indicator light, the controller may be a single chip microcomputer with a model of STC89C51, the semiconductor chilling plate 302 is in the prior art, and details are not repeated herein, and the temperature probe, the indicator light 12, the display screen 11, and the controller may be powered by the storage battery 402, and a charging interface for charging the storage battery 402 may be installed on an outer wall of the housing 1.
Preferably, as shown in fig. 10, a sealing gasket 208 is further disposed at a junction between the cutting head 206 and the connecting seat 207, the sealing gasket 208 is made of silica gel, and two through holes are reserved on the sealing gasket 208, wherein one of the through holes is located between one end of the U-shaped cooling channel 209 and the liquid inlet channel 210, and the other of the through holes is located between the other end of the U-shaped cooling channel 209 and the liquid return channel 211. The sealing gasket 208 can prevent the liquid leakage from the interface between the cutting head 206 and the connecting seat 207, thereby ensuring that the ultrasonic osteotome body 2 cannot leak liquid.
Preferably, as shown in fig. 1 and 6, the storage mechanism 5 includes a placement box 501, at least two clamping grooves 502 and two sponge protection pads 504, the placement box 501 is fixedly mounted on the outer side surface of the housing 1, the clamping grooves 502 are fixedly mounted on the upper portion of the inner bottom wall of the placement box 501 through supporting blocks 503, the clamping grooves 502 are provided with open clamping grooves adapted to the pen-shaped housing 201, the sponge protection pads 504 are provided with two sponge protection pads 504, and the two sponge protection pads 504 are respectively fixedly mounted on the inner walls of the two ends of the placement box 501. The storage mechanism 5 that sets up comprises placing box 501, the draw-in groove body 502 and sponge protection pad 504, and when using, puts the direct card of supersound osteotome body 2 inside the opening draw-in groove of the draw-in groove body 502 for this supersound osteotome is more convenient to use, and sponge protection pad 504 is used for protecting tool bit 206, can prevent that tool bit 206 from leading to tool bit 206 to damage with the both ends inner wall contact of placing box 501.
Preferably, as shown in fig. 1 and 5, a first control switch 8, a second control switch 9 and a third control switch 10 are further fixedly mounted on the outer side surface of the housing 1, the first control switch 8 is connected in series between the first transformer 403 and the ultrasonic vibration transducer 205, the second control switch 9 is connected in series between the second transformer 404 and the pump 304, and the third control switch 10 is connected in series between the third transformer 405 and the semiconductor chilling plate 302. The first control switch 8 is used for controlling the ultrasonic vibration transducer 205 to work, and the second control switch 9 is used for controlling the pump 304 to work; the third control switch 10 is used for controlling the semiconductor refrigeration piece 302 to work, so that the operation of the ultrasonic osteotome is convenient.
Preferably, as shown in fig. 2 to 4, a side of the housing 1 facing away from the display screen 11 is an opening structure, a cover plate 6 is installed on the side of the housing 1 facing away from the display screen 11 through a bolt 15, a heat dissipation hole 16 is reserved on the cover plate 6, a heat dissipation fan 17 is further embedded on the side wall of the housing 1, the heat dissipation fan 17 is matched with the heat dissipation hole 16, and the heat dissipation fan 17 is directly opposite to the hot surface of the semiconductor chilling plate 302. Make apron 6 be convenient for carry out the dismouting, the later stage of being convenient for is maintained the inside part of shell 1, secondly, louvre 16 and radiator fan 17 work of cooperating are used for the cooling of the hot side heat dissipation of semiconductor refrigeration piece 302 to guarantee that the refrigeration performance of semiconductor refrigeration piece 302 is more stable.
Preferably, as shown in fig. 1-2, the top of the housing 1 is further fixedly provided with a handle 7, and the bottom of the housing 1 is further fixedly provided with four symmetrically arranged legs 18. The ultrasonic osteotome can be lifted by the handle 7, so that the ultrasonic osteotome is more convenient to lift, and the four support legs 18 have better supporting effect on the shell 1, thereby being beneficial to the stable placement of the ultrasonic osteotome.
Example 2
The difference from the embodiment 1 is that the surface of the outer shell 1 is further provided with a protective layer, and the protective layer is prepared by the following method:
weighing the following raw materials in parts by weight: 14-19 parts of epoxy resin, 7-10 parts of titanium dioxide powder, 10-12 parts of nano silver powder, 8-10 parts of mica powder, 10-15 parts of acrylic emulsion, 6-8 parts of melamine resin, 2-4 parts of alcohol ester dodecate, 2-4 parts of ferric trichloride, 1-3 parts of higher alcohol fatty acid ester compound and 40-50 parts of water;
s1, adding the weighed acrylic emulsion, melamine resin, alcohol ester dodeca, ferric trichloride, a higher alcohol fatty acid ester compound and water into a stirrer, and stirring for 20-30min at the stirring speed of 600-900r/min to obtain a mixed solution;
s2, adding epoxy resin, titanium dioxide powder, nano silver powder and mica powder into a grinder to be ground until the particle diameter of the material is not more than 10um, and preparing a mixed powder material;
s3, adding the mixed solution prepared in the step S1 and the mixed powder material prepared in the step S2 into a reaction kettle, stirring for 30-40min, setting the stirring speed of the reaction kettle to be 700-900r/min and the temperature to be 80-100 ℃, and thus obtaining the protective coating;
s4, cleaning and drying the outer shell 1, and then uniformly spraying the protective coating prepared in the step S3 on the surface of the dried outer shell 1 by using a high-pressure sprayer spray gun to form a coating film;
s5, drying the shell 1 sprayed with the protective coating in the step S4 in a drying chamber at the drying temperature of 80-100 ℃ for 30-40min, namely, preparing the protective layer on the surface of the shell 1
The antibacterial properties of the casing 1 in examples 1-2 were tested in the laboratory under the same conditions as follows: the housings 1 of examples 1-2 were all placed in a bacterial incubator for 150 hours, and removed for observation under a microscope as follows:
| examples | Results |
| Example 1 | The surface of the |
| Example 2 | The surface of the |
The comparative analysis of the test results in the above table shows that the embodiment 2 is the optimal embodiment, by adopting the above technical scheme, the process for preparing the protective coating is simple in steps and easy to implement, the prepared protective coating has moderate viscosity, is not easy to delaminate, is convenient to spray, does not generate bubbles, is fully combined with various components, and has good comprehensive performance, so that the protective coating can form a good coating after spraying, is not easy to generate cracks, and has a good film forming effect, the prepared protective layer has good corrosion resistance, antibacterial performance and anti-aging performance, has good adhesiveness and is not easy to fall off, and the corrosion resistance, antibacterial performance and anti-aging performance of the shell 1 can be effectively improved, so that the ultrasonic osteotome has a long service life, and particularly, the ultrasonic osteotome can be prevented from being influenced by a large amount of bacteria on the surface of the shell 1 in the long-term use process.
The working principle is as follows: when the ultrasonic osteotome for spinal surgery is used, the ultrasonic vibration transducer 205 is controlled to work by the first control switch 8, and the pump 304 is controlled to work by the second control switch 9; the semiconductor refrigerating sheet 302 is controlled to work through the third control switch 10, the display screen 11 is used for displaying the temperature inside the cooling liquid container 303, when the temperature inside the cooling liquid container 303 is higher than 38 ℃, the temperature probe sends a detection signal to the controller, the controller controls the indicator lamp 12 to light red light to prompt that the temperature of the scalpel head 206 does not meet the use requirement, the semiconductor refrigerating sheet 302 is controlled to work through the third control switch 10 immediately to further reduce the temperature, when the temperature inside the cooling liquid container 303 is lower than 35 ℃, the indicator lamp 12 lights green light to prompt that the temperature of the scalpel head 206 meets the use requirement, the scalpel head can be used safely, after the ultrasonic osteotome body 2 is used, the ultrasonic osteotome body 2 is directly clamped inside the opening clamping groove inside the clamping groove body 502, so that the ultrasonic osteotome is convenient to use, the sponge cushion 504 is used for protecting the scalpel head 206, the damage of the tool bit 206 caused by the contact of the tool bit 206 with the inner walls of both ends of the placing case 501 can be prevented.
The parts not involved in the present invention are the same as or can be implemented by the prior art. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. An ultrasonic osteotome for spinal surgery, comprising a housing (1), characterized in that: the ultrasonic bone knife is characterized by further comprising a liquid cooling mechanism (3), an ultrasonic bone knife body (2), a power supply structure (4) and a storage mechanism (5), wherein the liquid cooling mechanism (3) is fixedly installed inside the shell (1), the ultrasonic bone knife body (2) is arranged outside the shell (1), the ultrasonic bone knife body (2) is communicated with the liquid cooling mechanism (3), the power supply structure (4) is fixedly installed inside the shell (1), the power supply structure (4) is respectively electrically connected with the ultrasonic bone knife body (2) and the liquid cooling mechanism (3), the storage mechanism (5) is fixedly installed on the outer side of the shell (1), and the storage mechanism (5) is used for storing the ultrasonic bone knife body (2); the ultrasonic osteotome body (2) comprises a pen-shaped shell (201), an end cover (202), a connecting seat (207), an ultrasonic vibration transducer (205), a tool bit (206), a liquid inlet pipe (203) and a liquid return pipe (204), the end cover (202) is fixedly arranged at the tail end of the pen-shaped shell (201), the connecting seat (207) is fixedly arranged inside the tip end of the pen-shaped shell (201), a liquid inlet channel (210) and a liquid return channel (211) are symmetrically arranged inside the connecting seat (207), the ultrasonic vibration transducer (205) is fixedly arranged at the end part, facing towards the end cover (202), of the connecting seat (207), the tool bit (206) penetrates through the tip end of the pen-shaped shell (201) and is in threaded connection with the connecting seat (207) back to the inside of the end part of the end cover (202), and a U-shaped cooling channel (209) is reserved inside the tool bit (206), one end of the U-shaped cooling channel (209) is communicated with the liquid inlet channel (210), the other end of the U-shaped cooling channel (209) is communicated with the liquid return channel (211), the liquid inlet pipe (203) and the liquid return pipe (204) are fixedly mounted on the end cover (202), one end of the liquid inlet pipe (203) is communicated with the liquid inlet channel (210), and one end of the liquid return pipe (204) is communicated with the liquid return channel (211);
the liquid cooling mechanism (3) comprises an assembly plate (301), a pump (304), a cooling liquid container (303) and a semiconductor refrigerating sheet (302), the assembly plate (301) is fixedly installed on the inner side wall of the shell (1), the pump (304) is fixedly installed on the upper portion of the assembly plate (301) through a fixing seat (305), a water inlet of the pump (304) is communicated with the other end of the liquid return pipe (204) through a first hose (13), the cooling liquid is contained in the cooling liquid container (303), one end of the cooling liquid container (303) is communicated with a water outlet of the pump (304) through a pipeline, the other end of the cooling liquid container (303) is communicated with the other end of the liquid return pipe (203) through a second hose (14), and the semiconductor refrigerating sheet (302) is embedded on the outer side face of the cooling liquid container (303), the hot surface of the semiconductor refrigerating sheet (302) is arranged opposite to the cooling liquid container (303);
deposit mechanism (5) including placing box (501), the draw-in groove body (502) and sponge protection pad (504), place box (501) fixed mounting be in on the lateral surface of shell (1), draw-in groove body (502) are provided with two at least, just draw-in groove body (502) through supporting shoe (503) fixed mounting place the interior diapire upper portion of box (501), the inside of draw-in groove body (502) have with the opening draw-in groove of pencil casing (201) looks adaptation, sponge protection pad (504) are provided with two, two sponge protection pad (504) respectively fixed mounting be in place on the both ends inner wall of box (501).
2. The ultrasonic osteotome defined in claim 1 wherein: the power supply structure (4) comprises a mounting plate (401), a storage battery (402), a first transformer (403), a second transformer (404) and a third transformer (405), the mounting plate (401) is fixedly mounted inside the housing (1), the storage battery (402), the first transformer (403), the second transformer (404) and the third transformer (405) are all fixedly mounted on the upper portion of the mounting plate (401), the first transformer (403), the second transformer (404) and the third transformer (405) are all electrically connected with the storage battery (402), the first transformer (403) is electrically connected with the ultrasonic vibration transducer (205), the second transformer (404) is electrically connected with the pump (304), and the third transformer (405) is electrically connected with the semiconductor chilling plate (302).
3. The ultrasonic osteotome defined in claim 1 wherein: still fixed mounting has temperature probe on coolant liquid container (303), still fixed mounting has display screen (11) of built-in controller on the lateral surface of shell (1), display screen (11) built-in controller with temperature probe electric connection, the top of shell (1) still fixed mounting has pilot lamp (12), pilot lamp (12) with the built-in controller electric connection of display screen (11).
4. The ultrasonic osteotome defined in claim 1 wherein: the junction of the cutter head (206) and the connecting seat (207) is further provided with a sealing gasket (208), the sealing gasket (208) is made of silica gel, two through holes are reserved on the sealing gasket (208), one of the through holes is located between one end of the U-shaped cooling channel (209) and the liquid inlet channel (210), and the other through hole is located between the other end of the U-shaped cooling channel (209) and the liquid return channel (211).
5. The ultrasonic osteotome defined in claim 2 wherein: still fixed mounting has first control switch (8), second control switch (9) and third control switch (10) on the lateral surface of shell (1), first control switch (8) concatenate first transformer (403) with between ultrasonic vibration transducer (205), second control switch (9) concatenate second transformer (404) with between pump (304), third control switch (10) concatenate third transformer (405) with between semiconductor refrigeration piece (302).
6. The ultrasonic osteotome defined in claim 3 wherein: shell (1) dorsad a side of display screen (11) is open structure, just shell (1) installs apron (6) through bolt (15) on the side for open structure, still reserve on apron (6) and have louvre (16), still inlay on the lateral wall of shell (1) and be equipped with radiator fan (17), radiator fan (17) with louvre (16) cooperate the setting, just radiator fan (17) are just right the hot face setting of semiconductor refrigeration piece (302).
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| CN112754609B (en) * | 2021-01-22 | 2022-03-25 | 苏州法兰克曼医疗器械有限公司 | Automatic reset type ultrasonic knife capable of reducing resonant frequency |
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| EP2327369A2 (en) * | 2009-11-27 | 2011-06-01 | Nakanishi Inc. | Transducer cover, method for forming the cover, and ultrasonic medical instrument with the cover |
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