CN114376666A - Structure of disposable craniotomy drill bit - Google Patents
Structure of disposable craniotomy drill bit Download PDFInfo
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- CN114376666A CN114376666A CN202111516857.5A CN202111516857A CN114376666A CN 114376666 A CN114376666 A CN 114376666A CN 202111516857 A CN202111516857 A CN 202111516857A CN 114376666 A CN114376666 A CN 114376666A
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- 238000007428 craniotomy Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 241001521547 Craniotome Species 0.000 claims abstract description 25
- 230000001954 sterilising effect Effects 0.000 claims abstract description 21
- 238000004659 sterilization and disinfection Methods 0.000 claims description 53
- 239000000428 dust Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 18
- 244000309464 bull Species 0.000 claims description 5
- 230000000249 desinfective effect Effects 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 2
- 210000003625 skull Anatomy 0.000 abstract description 12
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 description 14
- 210000000988 bone and bone Anatomy 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 210000004556 brain Anatomy 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
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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
-
- 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
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a structure of a disposable craniotome drill bit, which belongs to the technical field of medical instruments and comprises a main drill bit and a connector, wherein the outer wall of the main drill bit is provided with an auxiliary drill bit, the right end of the main drill bit is provided with a transmission pin, the outer wall of the auxiliary drill bit is clamped with an outer sleeve, the right end of the outer sleeve is connected with the connector, the inner wall of the outer sleeve is provided with a top block, the right end of the top block is provided with a spring, the outer wall of the connector is provided with a shielding shell, the outer wall of the outer sleeve is provided with a rotatable sterilizing mechanism for sterilizing the surface of the main drill bit, the shielding shell is internally provided with a rotating mechanism, the phenomenon that sterilizing water sterilizes the main drill bit through a sterilizing pipe is realized through the rotating mechanism and the sterilizing mechanism, a simple program is provided for sterilizing the drill bit, the rotation and the revolution of a fan are also realized, the adsorption effect of the fan is increased, and the structure of the craniotome drill bit is simple and easy to manufacture, the safety and reliability are improved, the hidden surgical trouble is reduced, and the safety of the skull surgery is improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a structure of a disposable craniotome drill bit.
Background
The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles directly or indirectly applied to human bodies, and comprises required computer software, the medical apparatus comprises medical equipment and medical consumables, the utility is mainly obtained in a physical mode and not in a pharmacological, immunological or metabolic mode, or the medical apparatus participates in the medical equipment and only plays an auxiliary role so as to diagnose, prevent, monitor, treat or relieve diseases; diagnosis, monitoring, treatment, mitigation or functional compensation of an injury, examination, substitution, regulation or support of a physiological structure or physiological process, support or maintenance of life, pregnancy control, providing information for medical or diagnostic purposes by examining a sample from a human body.
Along with the influence of the current social environment and the improvement of social conditions, skull surgery treatment operations are more and more emphasized by doctors and patients and also more and more emphasized by medical units, along with the increase of intracranial diseases, the proportion of craniotomy operations in skull surgery is larger and larger, the quality requirement of electric tools is higher and higher, in the craniotomy operations, a repeatedly-used craniotomy drill bit generally adopted for craniotomy has a complex structure, and can wear the drill bit and an internal structure after repeated use, great operation hidden dangers exist, the drill bit can generate a plurality of bone shell dust when drilling brain bones, the bone shell dust falls into the brain of the patients, the brain also needs to be washed, unnecessary operation procedures are increased, the disinfection of the drill bit in the whole operation process is more complicated, and the drill bit is used before, during use and after use.
In view of the above problems, the present invention provides a structure of a disposable craniotome drill bit.
Disclosure of Invention
The invention aims to provide a structure of a disposable craniotomy drill bit, which is matched with a corresponding electric tool through a connector for use, the electric tool drives the connector to rotate, a main drill bit is stressed during cutting, the connector drives the main drill bit to rotate, the main drill bit drives an auxiliary drill bit and an outer sleeve to rotate through a transmission pin, the main drill bit is not stressed any more when a skull is pierced, a spring top block drives the drill bit to complete tripping, the drill bit stops cutting, meanwhile, a fan in a set disinfection mechanism can generate negative pressure to adsorb bone shell dust, so that the complex operation step of flushing the brain of a patient again due to the influence of the bone shell dust is avoided, disinfection water is disinfected through the main drill bit of a disinfection pipe through the set rotation mechanism and the disinfection mechanism, and a simple program is provided for disinfecting the drill bit, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a structure of a disposable craniotomy drill bit comprises a main drill bit and a connector, wherein an auxiliary drill bit is arranged on the outer wall of the main drill bit, a transmission pin is arranged at the right end of the main drill bit, an outer sleeve is clamped on the outer wall of the auxiliary drill bit, the right end of the outer sleeve is connected with the connector, an ejector block is arranged on the inner wall of the outer sleeve, a spring is arranged at the right end of the ejector block, a shielding shell is arranged on the outer wall of the connector, a disinfection mechanism which can rotate and is used for disinfecting the surface of the main drill bit is arranged on the outer wall of the outer sleeve, a rotating mechanism is arranged inside the shielding shell, the disinfection mechanism comprises a connecting shaft and a disinfection box, a water storage tank is arranged on the inner wall of the disinfection box, the left end of the connecting shaft penetrates through the disinfection box and the water storage tank and extends to the outlet of the disinfection box, a fan is fixedly installed at one end, located at the outlet of the disinfection box, and a water pumping box is connected to the outer wall, located inside the water storage tank, the outer wall threaded connection that the connecting axle is located the suction box inside has the push pedal, the inner wall sliding connection of push pedal and suction box, the output fixed mounting of suction box has the disinfection pipe, the disinfection pipe runs through the outer wall of disinfect box, and extends to the exit of disinfect box, fixed mounting baffle on the inner wall of disinfect box exit.
Furthermore, a water inlet pipe is fixedly installed on the outer wall of the top of the disinfection box, and the water inlet pipe is communicated with the inner wall of the water storage box.
Further, the lateral wall of overcoat is equipped with and is used for restricting the disinfection mechanism at the periodic pivoted stop gear of overcoat surface, stop gear includes first connecting plate and arc spout, the arc spout is seted up on the outer wall of overcoat, first connecting plate fixed mounting is on the outer wall of disinfect box.
Further, the equal fixed mounting in both sides of first connecting plate bottom has the stopper, and is two sets of relative one side fixed mounting has the connecting pin between the stopper, it is connected with the wheel to rotate on the outer wall of connecting pin, the inner wall sliding connection of wheel and arc wall.
Further, the right-hand member that shelters from the shell is provided with two sets of coupling mechanism, coupling mechanism includes the motor connecting rod, the left end of motor connecting rod and the outer wall fixed connection who shelters from the shell, the right-hand member joint of motor connecting rod has the spread groove, the right-hand member fixed mounting of spread groove has the second connecting plate.
Further, slewing mechanism includes first gear, the inner wall of first gear center department and the outer wall fixed connection of interface, the outer wall meshing of first gear is connected with the second gear, the inner wall fixed mounting of center department of second gear has the bull stick.
Furthermore, one end of the rotating rod is fixedly connected with the connecting shaft, the other end of the rotating rod is rotatably connected with a limiting rod through a bearing, and one end of the limiting rod is rotatably connected with the outer wall of the interface through the bearing.
Furthermore, a planetary gear is arranged between the limiting rod and the second gear, the inner wall of the center of the planetary gear is fixedly connected with the outer wall of the rotating rod, and the outer wall of the planetary gear is connected with a clamping ring in a meshing manner
Further, the outer wall fixed mounting of snap ring has the connecting block, the one end of connecting block and the inner wall fixed connection who shelters from the shell.
Furthermore, a dust absorption screen plate is arranged on the left side of the top of the disinfection box.
Compared with the prior art, the invention has the following beneficial effects:
1. the disposable craniotome drill bit structure provided by the invention is matched with a corresponding electric tool for use through the interface, the electric tool drives the interface to rotate, the main drill bit is stressed during cutting, the interface drives the main drill bit to rotate, the main drill bit drives the auxiliary drill bit and the outer sleeve to rotate through the transmission pin, when a skull is pierced, the main drill bit is not stressed any more, the spring top block drives the drill bit to complete tripping, the drill bit stops cutting, and meanwhile, a fan in the arranged disinfection mechanism can generate negative pressure to adsorb skull dust, so that the complex operation step of flushing the brain of a patient again due to the influence of the skull dust is avoided, the disposable craniotome drill bit is simple in structure, easy to manufacture, safer and more reliable, the potential surgical hazard is reduced, and the safety of the skull surgery is improved.
2. According to the structure of the disposable craniotome drill bit, the rotating mechanism and the disinfection mechanism are arranged, the first gear in the rotating mechanism rotates along with the rotation of the interface, the first gear can drive the second gear to rotate, the second gear can drive the rotating rod, the connecting shaft and the planetary gear to rotate, the connecting shaft can drive the fan to rotate, the planetary gear can drive the fan to revolve, and therefore the fan can also revolve during rotation, the generated adsorbability is larger than that of the fan only rotating, the push plate is connected to the outer side of the connecting shaft through threads, the push plate reciprocates in the water pumping box, disinfection water is disinfected through the main drill bit of the disinfection pipe, and a simple program is provided for disinfecting the drill bit.
3. According to the structure of the disposable craniotome drill bit provided by the invention, the connecting mechanism is arranged on the shielding plate through the motor connecting rod, the second connecting plate is arranged on the electric tool connected with the interface, so that the shielding plate can be fixed through clamping connection of the motor connecting rod and the connecting groove, the shielding plate is prevented from rotating along with the rotation of the main drill bit, and the stability of the shielding plate is kept.
4. According to the structure of the disposable craniotome drill bit, the limiting mechanism is in sliding connection with the two groups of limiting blocks through the arc-shaped sliding groove formed in the outer sleeve, so that the limiting of the disinfection box is realized, and meanwhile, the wheels arranged on the two groups of limiting blocks can reduce the friction force generated when the limiting blocks slide on the arc-shaped sliding groove.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure of area A of FIG. 1 according to the present invention;
FIG. 3 is a schematic front view of the disinfecting mechanism of the present invention;
FIG. 4 is an enlarged view of the structure of the area B in FIG. 3 according to the present invention;
FIG. 5 is a right side view of the rotating mechanism of the present invention;
FIG. 6 is a schematic perspective view of the rotating mechanism of the present invention;
FIG. 7 is a schematic structural view of a snap ring of the present invention;
fig. 8 is a schematic structural view of a shield case of the present invention;
fig. 9 is a schematic view of the structure of the sterilizing mechanism of the present invention.
In the figure: 1. a main drill bit; 2. a secondary drill bit; 3. a jacket; 4. a drive pin; 5. a top block; 6. a spring; 7. an interface; 8. a sterilizing mechanism; 9. a shield shell; 10. a rotating mechanism; 11. a connecting mechanism; 12. a limiting mechanism; 801. a sterilizing box; 802. a baffle plate; 803. a water storage tank; 804. a fan; 805. a water pumping box; 806. sterilizing the tube; 807. pushing the plate; 808. a connecting shaft; 809. a water inlet pipe; 101. a snap ring; 102. connecting blocks; 103. a first gear; 104. a limiting rod; 105. a planetary gear; 106. a second gear; 107. a rotating rod; 111. a second connecting plate; 112. connecting grooves; 113. a motor connecting rod; 121. a first connecting plate; 122. a limiting block; 123. a wheel; 124. and (7) connecting pins.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, a disposable craniotome bit structure comprises a main bit 1 (a tool directly contacting the brain of a patient) and a connector 7, the other end of the connector 7 is used in cooperation with a corresponding electric tool, an auxiliary bit 2 is arranged on the outer wall of the main bit 1, a driving pin 4 is arranged at the right end of the main bit 1, an outer sleeve 3 is clamped on the outer wall of the auxiliary bit 2, the right end of the outer sleeve 3 is connected with the connector 7, an ejector block 5 is arranged on the inner wall of the outer sleeve 3, a spring 6 is arranged at the right end of the ejector block 5, a shielding shell 9 is arranged on the outer wall of the connector 7, the shape of the shielding shell 9 is the same as that of the shape of the main bit 1 as that of the main bit 8, circular holes are respectively arranged at two sides of the shielding shell 9, two circular holes are respectively arranged at the outer side of the connector 7, a rotatable sterilizing mechanism 8 for sterilizing the surface of the main bit 1 is arranged on the outer wall of the outer sleeve 3, a rotating mechanism 10 is arranged inside of the shielding shell 9, the sterilizing mechanism 8 comprises a connecting shaft 808 (a rod for realizing the rotation of a fan 804) and a sterilizing box 801, the inner wall of the disinfection box 801 is provided with a water storage tank 803 and a sealed box body for storing disinfection water, the disinfection water in the box body is supplemented through a water inlet pipe 809, the left end of a connecting shaft 808 penetrates through the disinfection box 801 and the water storage tank 803 and extends to the outlet of the disinfection box 801, the connecting shaft 808 penetrates through the disinfection box 801 and the water storage tank 803, and a fan 804 is fixedly installed, wherein the enemy connected with the disinfection box 801 and the water storage tank 803 through a connecting shaft 808 is sealed through a sealing ring, one end of the connecting shaft 808 positioned at the outlet of the disinfection box 801 is fixedly provided with the fan 804, the fan 804 can generate negative pressure when rotating, the generated bone shell dust can be sucked into the disinfection box 801 and is adsorbed by a dust absorption screen plate installed on the disinfection box 801, the outer wall of the connecting shaft 808 positioned in the water storage tank 803 is connected with a water pumping box 805, the outer wall of the connecting shaft 808 positioned in the water pumping box 805 is connected with a push plate 807 through threads, the screw thread of the surface of the connecting shaft 808 in the water pumping box 805 is the same as the screw thread of the reciprocating screw rod, when the connecting shaft 808 rotates, the push plate 807 reciprocates in the water pumping box 805, the push plate 807 is in sliding connection with the inner wall of the water pumping box 805, the output end of the water pumping box 805 is fixedly provided with the disinfection tube 806, the disinfection tube 806 penetrates through the outer wall of the disinfection box 801 and extends to the outlet of the disinfection box 801, the inner wall of the outlet of the disinfection box 801 is fixedly provided with the baffle 802, the input end and the output end of the water pumping box 805 are both provided with the electronic valves, the electronic valves are all waterproof, the water pumping box 805 is opened through the electronic valve at the input end, the disinfection water in the water storage tank 803 is sucked into the water pumping box 805, and then the disinfection water in the water pumping box 805 is conveyed to the position of the main drill bit 1 through the opening of the electronic valve at the output end, the fan 804 through among the disinfection mechanism 8 that sets up can produce the negative pressure, adsorbs the bone shell dust, has avoided because the influence of bone shell dust carries out the complicated operation step that washes to patient's brain once more, and the simple structure of disposable drill bit of opening the skull easily makes, and safe and reliable more reduces the hidden danger of operation, increases skull surgery operation security, and the adsorptivity that produces in the time of fan 804 rotation and revolution is greater than the rotation of fan 804 moreover.
Referring to fig. 1 and 2, a water inlet pipe 809 is fixedly installed on the outer wall of the top of a sterilization box 801, a threaded cap is connected to the outer surface of the water inlet pipe 809 in a threaded manner, the threaded cap can seal the water inlet pipe 809, the water inlet pipe 809 is communicated with the inner wall of a water storage tank 803, and sterile water in the water storage tank 803 is added through the water inlet pipe 809 and can sterilize a used main drill 1, so that a simple procedure is provided for later-stage sterilization of the drill, and the convenience of operation is improved.
Referring to fig. 3, 4 and 9, a structure of a disposable drill for craniotomy is disclosed, a limiting mechanism 12 for limiting a disinfection mechanism 8 to rotate periodically on the surface of a casing 3 is disposed on the outer side wall of the casing 3, the limiting mechanism 12 includes a first connecting plate 121 (serving to connect with a disinfection box 801) and an arc chute (not labeled in the figure, the front view thereof is T-shaped), the arc chute is disposed on the outer wall of the casing 3, the first connecting plate 121 is fixedly mounted on the outer wall of the disinfection box 801, the limiting mechanism 12 is slidably connected with two sets of limiting blocks 122 through the arc chute disposed on the casing 3, so as to limit the disinfection box 801, and keep its stability during arc motion, and meanwhile, wheels 123 mounted on the two sets of limiting blocks 122 can reduce the friction force of the limiting blocks 122 when sliding on the arc chute.
Referring to fig. 3, 4 and 9, the structure of the disposable craniotome drill bit is characterized in that limiting blocks 122 are fixedly mounted on two sides of the bottom end of a first connecting plate 121, the limiting blocks 122 are also slidably connected with the inner wall of an arc-shaped sliding groove, a connecting pin 124 is fixedly mounted on one side opposite to the two groups of limiting blocks 122, a wheel 123 is rotatably connected to the outer wall of the connecting pin 124, the wheel 123 is slidably connected with the inner wall of the arc-shaped groove, the limiting blocks 122 limit the movement of a disinfection box 801, and friction is reduced by the arrangement of the wheel 123.
Referring to fig. 1, 2, 5 and 8, a disposable craniotome drill bit structure includes two sets of connection mechanisms 11 disposed at the right end of a shielding shell 9, each connection mechanism 11 includes a motor connection rod 113 mounted on the shielding shell 9 and clamped with a connection groove 112, the left end of the motor connection rod 113 is fixedly connected with the outer wall of the shielding shell 9, the connection groove 112 is clamped at the right end of the motor connection rod 113, a second connection plate 111 is fixedly mounted at the right end of the connection groove 112, the second connection plate 111 is adhered to a tool connected to a connector 7, the connection mechanism 11 is mounted on the shielding shell 9 through the motor connection rod 113, the second connection plate 111 is mounted on an electric tool connected to the connector 7, so that the shielding shell 9 can be fixed by clamping the motor connection rod 113 and the connection groove 112, and the shielding shell 9 is prevented from rotating along with the rotation of a main drill bit 1, maintaining its stability.
Referring to fig. 1, 5, 6 and 7, a structure of a disposable craniotome drill bit includes a rotating mechanism 10, wherein an inner wall of a center of the first gear 103 is fixedly connected to an outer wall of a hub 7, the first gear 103 rotates along with the rotation of the hub 7, an outer wall of the first gear 103 is engaged with a second gear 106, and an inner wall of the center of the second gear 106 is fixedly provided with a rotating rod 107.
Referring to fig. 1, 5, 6 and 7, in a structure of a disposable craniotome drill, one end of a rotary rod 107 is fixedly connected with a connecting shaft 808, so that when the rotary rod 107 rotates, the connecting shaft 808 also rotates, the other end of the rotary rod 107 is rotatably connected with a limiting rod 104 through a bearing, and one end of the limiting rod 104 is rotatably connected with the outer wall of the interface 7 through a bearing.
Referring to fig. 1, 5, 6 and 7, a disposable craniotome drill bit structure is provided, wherein a planetary gear 105 is disposed between a limiting rod 104 and a second gear 106, an inner wall of a center of the planetary gear 105 is fixedly connected with an outer wall of a rotating rod 107, and an outer wall of the planetary gear 105 is engaged with a snap ring 101.
Referring to fig. 1, 5, 6 and 7, in the structure of a disposable craniotome drill, a connecting block 102 is fixedly installed on the outer wall of a snap ring 101, one end of the connecting block 102 is fixedly connected with the inner wall of a shielding shell 9, and the snap ring 101 is connected with the shielding shell 9 through the action of the connecting block 102.
Referring to fig. 1, a dust suction screen plate (not labeled in the figure) is arranged on the left side of the top of a sterilizing box 801, negative pressure generated by a fan 804 during rotation adsorbs bone shell dust on the dust suction screen plate, and the whole rotating mechanism 10 realizes a linkage effect that a main drill bit 1 drives two gears to rotate, so that the aim of adsorbing bone dust is realized, the aim of sterilizing the main drill bit 1 is also realized, the efficiency of the whole operation process is improved, the operation is safer and more reliable, the hidden danger is reduced, and the safety of the skull surgery is improved.
In summary, the following steps: when the electric tool is started, the electric tool drives the interface 7 to rotate, the main drill bit 1 is stressed during cutting, the interface 7 drives the main drill bit 1 to rotate, the main drill bit 1 drives the auxiliary drill bit 2 and the outer sleeve 3 to rotate through the transmission pin 4, when a skull is pierced, the main drill bit 1 is not stressed any more, the spring 6 top block 5 drives the drill bit to trip, the drill bit stops cutting, bone shell dust is generated in the process, the interface 7 can drive the first gear 103 to rotate when rotating, the first gear 103 can drive the second gear 106 to rotate when rotating, due to the fixed connection between the second gear 106 and the rotating rod 107, the rotating rod 107 can also rotate the planetary gear 105 on the outer wall of the rotating rod 107, the rotating rod 107 can also drive the connecting shaft 808 to rotate, and the connecting shaft 808 can drive the fan 804 to rotate, therefore, the negative pressure generated by the fan 804 can adsorb bone shell dust onto the dust absorption screen plate, meanwhile, the planetary gear 105 on the rotating rod 107 can also rotate along with the rotating rod 107, the gear on the surface of the planetary gear 105 can be meshed with the clamping ring 101 when the planetary gear 105 rotates, the second gear 106 can do circular motion, so that the fan 804 can do circular motion around the main drill bit 1, the negative pressure generated by the rotary fan 804 is larger than the negative pressure generated when the common fan 804 rotates, then the connecting shaft 808 can drive the push plate 807 in the water pumping box 805 to do reciprocating motion when the connecting shaft 808 rotates, and therefore the disinfectant water in the water storage tank 803 is transmitted to the main drill bit 1 through the disinfection pipe 806 through the reciprocating motion of the push plate 807 to disinfect the main drill bit 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a structure of disposable craniotomy drill bit, includes main drill bit (1) and interface (7), the outer wall of main drill bit (1) is provided with vice drill bit (2), the right-hand member of main drill bit (1) is provided with drive pin (4), the outer wall joint of vice drill bit (2) has overcoat (3), the right-hand member and the interface (7) of overcoat (3) are connected, the inner wall of overcoat (3) is provided with kicking block (5), the right-hand member of kicking block (5) is provided with spring (6), the outer wall of interface (7) is provided with hides and keeps off shell (9), its characterized in that: the outer wall of the outer sleeve (3) is provided with a rotatable disinfection mechanism (8) for disinfecting the surface of the main drill bit (1), and the shielding shell (9) is internally provided with a rotating mechanism (10); disinfection mechanism (8) includes connecting axle (808) and disinfect box (801), the inner wall of disinfect box (801) is provided with storage water tank (803), disinfect box (801) and storage water tank (803) are run through to the left end of connecting axle (808), and extend to the exit of disinfect box (801), the one end fixed mounting that connecting axle (808) are located disinfect box (801) exit has fan (804), the outer wall that connecting axle (808) are located storage water tank (803) inside is connected with suction box (805), the outer wall threaded connection that connecting axle (808) are located suction box (805) inside has push pedal (807), the inner wall sliding connection of push pedal (807) and suction box (805), the output fixed mounting of suction box (805) has disinfection pipe (806), disinfection pipe (806) run through the outer wall of disinfect box (801), and extend to the exit of disinfect box (801), a baffle (802) is fixedly arranged on the inner wall of the outlet of the sterilizing box (801).
2. The structure of a disposable craniotome drill bit according to claim 1 wherein: a water inlet pipe (809) is fixedly installed on the outer wall of the top of the sterilizing box (801), and the water inlet pipe (809) is communicated with the inner wall of the water storage tank (803).
3. The structure of a disposable craniotome drill bit according to claim 1 wherein: the lateral wall of overcoat (3) is equipped with and is used for restricting disinfection mechanism (8) at overcoat (3) surface periodic rotation's stop gear (12), stop gear (12) are including first connecting plate (121) and arc spout, the arc spout is seted up on the outer wall of overcoat (3), first connecting plate (121) fixed mounting is on the outer wall of disinfect box (801).
4. The structure of a disposable craniotome drill bit according to claim 3 wherein: the equal fixed mounting in both sides of first connecting plate (121) bottom has stopper (122), and is two sets of one side fixed mounting relative between stopper (122) has connecting pin (124), it is connected with wheel (123) to rotate on the outer wall of connecting pin (124), wheel (123) and the inner wall sliding connection of arc wall.
5. The structure of a disposable craniotome drill bit according to claim 1 wherein: the right-hand member that hides shell (9) is provided with two sets of coupling mechanism (11), coupling mechanism (11) include motor connecting rod (113), the left end of motor connecting rod (113) and the outer wall fixed connection who hides shell (9), the right-hand member joint of motor connecting rod (113) has spread groove (112), the right-hand member fixed mounting of spread groove (112) has second connecting plate (111).
6. The structure of a disposable craniotome drill bit according to claim 1 wherein: slewing mechanism (10) include first gear (103), the inner wall of first gear (103) center department and the outer wall fixed connection of interface (7), the outer wall meshing of first gear (103) is connected with second gear (106), the center department inner wall fixed mounting of second gear (106) has bull stick (107).
7. The structure of a disposable craniotome drill bit according to claim 6 wherein: one end and connecting axle (808) fixed connection of bull stick (107), the other end of bull stick (107) is connected with gag lever post (104) through the bearing rotation, the outer wall rotation of the one end of gag lever post (104) through bearing and interface (7) is connected.
8. The structure of a disposable craniotome drill bit according to claim 7 wherein: be provided with planetary gear (105) between gag lever post (104) and second gear (106), the center department inner wall of planetary gear (105) and the outer wall fixed connection of bull stick (107), the outer wall meshing of planetary gear (105) is connected with snap ring (101).
9. The structure of a disposable craniotome drill bit according to claim 8 wherein: the outer wall fixed mounting of snap ring (101) has connecting block (102), the one end of connecting block (102) and the inner wall fixed connection who shelters from shell (9).
10. The structure of a disposable craniotome drill bit according to claim 1 wherein: and a dust absorption screen plate is arranged on the left side of the top of the sterilizing box (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111516857.5A CN114376666B (en) | 2021-12-13 | 2021-12-13 | Structure of disposable craniotomy drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111516857.5A CN114376666B (en) | 2021-12-13 | 2021-12-13 | Structure of disposable craniotomy drill |
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| Publication Number | Publication Date |
|---|---|
| CN114376666A true CN114376666A (en) | 2022-04-22 |
| CN114376666B CN114376666B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111516857.5A Active CN114376666B (en) | 2021-12-13 | 2021-12-13 | Structure of disposable craniotomy drill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115281779A (en) * | 2022-07-08 | 2022-11-04 | 芜湖锐进医疗设备有限公司 | Self-stop medical electric drill |
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| US4884571A (en) * | 1984-01-31 | 1989-12-05 | Intech, Inc. | Cranial perforator with reentrant cutting segment |
| CN107669306A (en) * | 2017-10-17 | 2018-02-09 | 王伟 | A kind of orthopedic drill |
| CN109498101A (en) * | 2018-10-31 | 2019-03-22 | 张强 | A kind of skull drilling device of improved neurosurgery |
| WO2021011795A1 (en) * | 2019-07-16 | 2021-01-21 | The Henry M. Jackson Foundation For The Advancement Of Military Medicine, Inc. | Automated cranial burr hole device and method |
| CN113749725A (en) * | 2021-08-17 | 2021-12-07 | 吕凤山 | Skull drill |
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2021
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4884571A (en) * | 1984-01-31 | 1989-12-05 | Intech, Inc. | Cranial perforator with reentrant cutting segment |
| CN107669306A (en) * | 2017-10-17 | 2018-02-09 | 王伟 | A kind of orthopedic drill |
| CN109498101A (en) * | 2018-10-31 | 2019-03-22 | 张强 | A kind of skull drilling device of improved neurosurgery |
| WO2021011795A1 (en) * | 2019-07-16 | 2021-01-21 | The Henry M. Jackson Foundation For The Advancement Of Military Medicine, Inc. | Automated cranial burr hole device and method |
| CN113749725A (en) * | 2021-08-17 | 2021-12-07 | 吕凤山 | Skull drill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115281779A (en) * | 2022-07-08 | 2022-11-04 | 芜湖锐进医疗设备有限公司 | Self-stop medical electric drill |
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| Publication number | Publication date |
|---|---|
| CN114376666B (en) | 2024-06-04 |
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