CN107874808B - Cranium driller for neurosurgery operation - Google Patents
Cranium driller for neurosurgery operation Download PDFInfo
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- CN107874808B CN107874808B CN201711351616.3A CN201711351616A CN107874808B CN 107874808 B CN107874808 B CN 107874808B CN 201711351616 A CN201711351616 A CN 201711351616A CN 107874808 B CN107874808 B CN 107874808B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000005553 drilling Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000006978 adaptation Effects 0.000 claims description 2
- 210000003625 skull Anatomy 0.000 abstract description 6
- 238000007428 craniotomy Methods 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 238000003756 stirring Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
- 208000037132 Subdural Chronic Hematoma Diseases 0.000 description 1
- 208000002667 Subdural Hematoma Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
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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
- A61B17/1695—Trepans or craniotomes, i.e. specially adapted for drilling thin bones such as the skull
-
- 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
- A61B17/1626—Control means; Display units
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Neurosurgery (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a skull driller for neurosurgery, which has the technical scheme that the skull driller comprises a shell, a drilling device, a manual driving device and a transmission device, wherein the drilling device comprises a drill clamp, a drill bit and a rotating shaft for driving the drill bit to rotate, a first bevel gear is arranged on the rotating shaft, the manual driving device comprises a sliding plate and a rack arranged on one side of the sliding plate, the transmission device comprises a transmission shaft and a sliding gear meshed with the rack, the sliding gear is arranged on the transmission shaft, a second bevel gear is arranged on the transmission shaft, a directional rotating device for enabling the drill clamp to directionally rotate is further arranged on the shell, the directional rotating device comprises a pull rod fixedly connected with the sliding gear, a hinging rod hinged with the shell, and a first sliding rod and a second sliding rod which are in sliding connection with the hinging rod, and the hinging rod is driven to move when the hinging rod is overturned. The cranium drill can be operated by one hand, and in the using process of the cranium drill, the drill bit can realize unidirectional rotation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a cranium drill for neurosurgery.
Background
In neurosurgery clinical work, in order to diagnose and treat diseases such as ventriculography, cerebral hemorrhage, chronic subdural hematoma, etc., a craniotomy is usually needed, and the craniotomy needs to be performed by using a craniotomy device, and the existing manual craniotomy device is usually of a rocker type, so that medical staff needs to use two hands to operate when using the device, the operation is more complicated, and the medical staff needs to hold the craniotomy device with one hand when operating with two hands, and the rocker is rotated with one hand, so that the operation stability is not high, the direction of the craniotomy is very easy to deviate, even if the medical staff performs continuous adjustment, the craniotomy wound is larger, the position is inaccurate, the injury to patients is larger, and the requirement of the craniotomy cannot be met. If the manual cranium driller does not adopt a rocker type, the drill bit is difficult to realize unidirectional rotation in the use process of the cranium driller, and the repeated bidirectional rotation of the drill bit can cause the expansion of the wound of the cranium driller.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a cranium driller for neurosurgery operation, which can realize one-hand operation and can realize one-way rotation of a drill bit in the using process of the cranium driller.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a skull driller for neurosurgery, includes the casing, can bore the drilling equipment of beginning cranium, the manual drive device that drives drilling equipment work and can be with the power transmission to drilling equipment of manual drive device, drilling equipment is including the rotation axis, set up in the drill chuck of rotation axis tip and install the drill bit on the drill chuck, rotation axis and casing swivelling joint, be provided with first bevel gear on the rotation axis, transmission device includes second bevel gear and the transmission shaft with second bevel gear fixed connection with first bevel gear meshing, swivelling joint between transmission shaft and the casing, install the gear that slides on the transmission shaft, the circumference is fixed, the axial can slide between gear and the transmission shaft is connected, manual drive device is including sliding plate and the rack that can mesh with the gear that slides between sliding plate and the casing, the rack sets up in sliding plate one side and the length direction of rack is perpendicular with the length direction of transmission shaft, the sliding plate slides the in-process through rack, sliding gear, transmission shaft and first bevel gear and rotatory rotation axis;
the drill clamp is characterized in that the shell is further provided with a directional rotating device capable of enabling the drill clamp to rotate only in one direction, the directional rotating device comprises a pull rod capable of driving the sliding gear to slide, a hinge rod hinged with the shell, and a first slide rod and a second slide rod connected with the shell in a sliding mode, the middle of the hinge rod is hinged with the shell, two ends of the hinge rod are hinged with the pull rod and the first slide rod respectively, the second slide rod is located between the hinge rod and the hinge position of the shell and the pull rod, the first slide rod and the second slide rod are located at two ends of a sliding stroke of the sliding plate respectively, the sliding plate drives the sliding gear to slide to be meshed with the rack through the pull rod in a sliding state, and the hinge rod rotates to drive the sliding gear to slide to be separated from the rack through the pull rod in a sliding state of the sliding plate pushing the first slide rod.
As a further improvement of the invention, a spring is arranged on one side of the sliding plate, which is away from the rack, and the spring is respectively connected with the sliding plate and the shell, the spring is compressed in the process of sliding the sliding plate backwards, and the spring drives the sliding plate to move forwards when being reset.
As a further improvement of the invention, inclined planes are arranged on one sides of the first sliding rod and the second sliding rod, which are contacted with the sliding plate, respectively abutted with the inclined planes on the first sliding rod and the second sliding rod in the sliding process of the sliding plate and driving the first sliding rod and the second sliding rod to slide.
As a further improvement of the invention, when the first sliding rod and the second sliding rod slide in place, the hinge rod is respectively driven to be abutted against the two sides of the shell, and the hinge rod and the abutting parts of the hinge rod and the two sides of the shell are respectively provided with magnetic blocks which can be attracted mutually.
As a further improvement of the invention, the pull rod is used for poking the sliding gear through a poking frame, the poking frame comprises two poking plates and a connecting plate connected with the poking plates, the poking plates and the connecting plate are arranged in a U shape, the distance between the two poking plates is matched with the width of the sliding gear, one end of the pull rod is fixedly connected with one poking plate, and in the moving process of the pull rod driving the poking frame, the poking plates are abutted with the end face of the sliding gear and drive the sliding gear to slide.
As a further improvement of the invention, the manual driving device and the transmission device are symmetrically provided with two sliding plates along the rotation axis, the two sliding plates are fixedly connected with each other, the toothed surfaces of the two racks face opposite, the rotation directions of the two second bevel gears are opposite, and the two second bevel gears drive the same first bevel gear to rotate.
As a further improvement of the invention, a first baffle plate is arranged between the sliding plate and the transmission shaft, the first baffle plate is fixedly connected with the shell, and when the sliding plate slides forwards in place, a gap for a finger to pass through is reserved between the first baffle plate and the sliding plate.
As a further improvement of the invention, a second baffle plate is arranged on one side of the sliding plate facing the rotating shaft, the second baffle plate is fixedly connected with the shell, and the sliding plate is in sliding connection with the second baffle plate.
As a further improvement of the invention, one side of the second baffle plate facing the sliding plate is provided with a sliding groove, the cross section of the sliding groove is in a T shape, one side of the sliding plate facing the second baffle plate is convexly provided with a sliding block, the outer contour of the sliding block is matched with the cross section of the sliding groove, and the sliding block can slide in the sliding groove.
The invention has the beneficial effects that: through setting up casing, drilling equipment, manual drive arrangement and transmission, when medical staff holds the casing with one's hand, when the finger drives the board that slides backward and slides, the board that slides will drive the drill bit through rack, the gear that slides, transmission shaft and rotation axis, it slides to drive first slide bar axis after the board that slides in place, make articulated rod upset drive pull rod slide, the pull rod drives the gear that slides, make rack and the gear phase separation that slides, therefore when the board that slides forward, the drill bit can not rotate, drive the axial slip of second slide bar after the board that slides forward, make articulated rod upset drive pull rod slide, the pull rod drives the gear that slides, make rack and gear that slides mesh again, when the board that slides backward again, and the rotation direction of each time drill bit is the same, this cranium driller drives the drill bit through the back and rotates in order to bore the cranium, medical staff can operate this cranium driller by one hand, and can support or supplementary cranium work, the operation stability when the cranium is difficult to lead to the fact the slip board to slide forward, it is difficult to take place, and the drilling direction skew takes place, and the patient's the cranium is difficult to cause the injury to the cranium to be rolled up, the time of leading to the patient to the extension is long, the patient to the time of the rotation of the cranium has been realized, the patient has the bidirectional wound that is caused to the rotation to the drilling process to the cranium has been avoided.
Drawings
FIG. 1 is a schematic perspective view of a skull drill for neurosurgery;
FIG. 2 is a schematic plan view of a cranial drill for neurosurgery;
FIG. 3 is a schematic diagram of a pull rod and toggle frame;
FIG. 4 is a schematic diagram of a sliding structure between a sliding plate and a second baffle.
Reference numerals: 1. a housing; 2. a drilling device; 21. drilling a drill clamp; 22. a drill bit; 23. a rotation shaft; 231. a first bevel gear; 3. a manual driving device; 31. a slip plate; 311. a sliding block; 32. a rack; 33. a spring; 34. a first baffle; 35. a second baffle; 351. a slip groove; 4. a transmission device; 41. a transmission shaft; 411. a second bevel gear; 42. a slipping gear; 5. a directional rotation device; 51. a pull rod; 52. a hinge rod; 53. a first slide bar; 54. a second slide bar; 55. toggling the frame; 551. a toggle plate; 552. and (5) connecting a plate.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 4, a skull drill for neurosurgery in this embodiment includes a housing 1, a drilling device 2 capable of drilling the skull, a manual driving device 3 for driving the drilling device 2 to work, and a transmission device 4 capable of transmitting power of the manual driving device 3 to the drilling device 2, wherein the drilling device 2 includes a rotation shaft 23, a drill chuck 21 disposed at an end of the rotation shaft 23, and a drill bit 22 mounted on the drill chuck 21, the rotation shaft 23 is rotatably connected with the housing 1, a first bevel gear 231 is disposed on the rotation shaft 23, the transmission device 4 includes a second bevel gear 411 engaged with the first bevel gear 231, and a transmission shaft 41 fixedly connected with the second bevel gear 411, the transmission shaft 41 is rotatably connected with the housing 1, a sliding gear 42 is mounted on the transmission shaft 41, the sliding gear 42 is fixedly and axially slidably connected with the transmission shaft 41, the manual driving device 3 includes a sliding plate 31 and a rack 32 capable of being engaged with the sliding gear 42, the sliding plate 31 is slidably connected with the housing 1, the rack 32 is disposed on one side of the sliding plate 31, and the length direction of the rack 32 is in the direction of the sliding plate 31 and is in the direction of the length of the rack 31 and is in the direction of the second bevel gear is rotatably drives the second bevel gear 31, which is rotatably drives the second bevel gear 41.
The casing 1 is further provided with a directional rotating device 5 capable of enabling the drill clamp 21 to rotate only in one direction, the directional rotating device 5 comprises a pull rod 51 capable of driving the sliding gear 42 to slide, a hinge rod 52 hinged with the casing 1, and a first slide rod 53 and a second slide rod 54 connected with the casing 1 in a sliding mode, the middle of the hinge rod 52 is hinged with the casing 1, two ends of the hinge rod 52 are hinged with the pull rod 51 and the first slide rod 53 respectively, the second slide rod 54 is located between the hinge position of the hinge rod 52 and the casing 1 and the pull rod 51, the first slide rod 53 and the second slide rod 54 are located at two ends of a sliding stroke of the sliding plate 31 respectively, in a sliding state that the sliding plate 31 pushes the second slide rod 54 to slide the sliding gear 42 to be meshed with the rack 32 through the pull rod 51, and in a sliding state that the sliding plate 31 pushes the first slide rod 53, the hinge rod 52 rotates to drive the sliding gear 42 to slide to the sliding gear 42 to be separated from the rack 32 through the pull rod 51. When the sliding plate 31 slides backwards, the rack 32 is meshed with the sliding gear 42 to drive the drill bit 22 to rotate, when the sliding plate 31 slides backwards in place, the first sliding rod 53 is driven to longitudinally slide, the first sliding rod 53 drives the hinge rod 52 to turn around the hinge part in the sliding process, the hinge rod 52 drives the second sliding rod 54 and the axis of the pull rod 51 to move in the turning process, and the pull rod 51 drives the sliding gear 42 to slide in the moving process, so that the sliding gear 42 and the rack 32 are converted into a separation state from a meshing state; when the sliding plate 31 slides forward, the drill bit 22 will not rotate because the rack 32 is not meshed with the sliding gear 42, when the sliding plate 31 slides forward in place, the two sliding rods will be driven to slide longitudinally, the second sliding rod 54 drives the hinge rod 52 to turn around the hinge in the sliding process, the hinge rod 52 drives the first sliding rod 53 and the pull rod 51 to move along the axis in the turning process, the pull rod 51 drives the sliding gear 42 to slide in the moving process, the sliding gear 42 and the rack 32 are changed from the separated state to the meshed state, and the drill bit 22 will be driven to rotate only when the sliding plate 31 moves backward in the repeated forward and backward movement process of the sliding plate 31, and the rotating directions of the drill bit 22 are the same each time.
Through the arrangement of the shell 1, the drilling device 2, the manual driving device 3 and the transmission device 4, when medical staff holds the shell 1 with one hand and uses fingers to drive the sliding plate 31 to slide backwards, the sliding plate 31 drives the drill bit 22 to rotate through the rack 32, the sliding gear 42, the transmission shaft 41 and the rotating shaft 23 until the sliding plate 31 slides in place and then drives the first sliding rod 53 to slide along the axis, so that the hinge rod 52 overturns to drive the pull rod 51 to slide, the pull rod 51 drives the sliding gear 42 to slide, the rack 32 is separated from the sliding gear 42, therefore, when the sliding plate 31 slides forwards, the drill bit 22 does not rotate until the sliding plate 31 slides forwards and then drives the second sliding rod 54 to slide along the axis, so that the hinge rod 52 overturns to drive the pull rod 51 to slide, and the pull rod 51 drives the sliding gear 42 to slide, the rack 32 is meshed with the sliding gear 42 again, when the sliding plate 31 slides backwards again, the drill bit 22 rotates again, the rotation direction of the drill bit 22 is the same each time, the drill bit 22 is driven to rotate by the front and back repeated sliding of the sliding plate 31 to drill the cranium, medical staff can operate the drill bit by one hand, one hand can be left for supporting or assisting in cranium drilling, the operation stability during cranium drilling is higher, the direction of cranium drilling is not easy to deviate, in the using process of the drill bit 22 can realize unidirectional rotation, the wound expansion of cranium drilling caused by repeated bidirectional rotation of the drill bit 22 is avoided, injury to a patient is increased, and the recovery time of the patient is prolonged.
As an improved specific embodiment, a spring 33 is arranged on one side of the sliding plate 31, which is away from the rack 32, the spring 33 is respectively connected with the sliding plate 31 and the shell 1, the spring 33 is compressed in the process of sliding the sliding plate 31 backwards, and the spring 33 drives the sliding plate 31 to move forwards when being reset. Through the setting of spring 33 for medical staff's finger drives the in-process spring 33 that the board 31 slided backward holds the power, when spring 33 resets, will drive the board 31 that slides forward, has realized the automatic forward slip of board 31 that slides, has avoided the board 31 that slides at every turn and has needed medical staff manual with the board 31 that slides forward that slides after sliding backward, makes the use of this cranium drill more convenient laborsaving.
As a modified specific embodiment, the sides of the first sliding rod 53 and the second sliding rod 54, which are in contact with the sliding plate 31, are respectively provided with inclined surfaces, and the inclined surfaces of the sliding plate 31 respectively abut against the inclined surfaces on the first sliding rod 53 and the second sliding rod 54 in the sliding process and drive the first sliding rod 53 and the second sliding rod 54 to slide. Through the setting of inclined plane, realized when the slip board 31 transversely slides forward and backward and put in place, will drive first slide bar 53 or second slide bar 54 axial slip respectively with the inclined plane butt, this transmission simple structure is practical, be convenient for processing.
As a modified specific embodiment, when the first sliding rod 53 and the second sliding rod 54 slide in place, the hinge rod 52 is driven to abut against two sides of the housing 1, and the magnetic blocks capable of attracting each other are arranged at the abutting positions of the hinge rod 52 and two sides of the housing 1. Through the setting of magnetic block for can adsorb each other when articulated rod 52 and casing 1 both sides looks butt, avoid the slip board 31 in-process of sliding, articulated rod 52 because gravity etc. cause the meshing or separation state of sand grip and slipping gear 42 to change, lead to drill bit 22 not to take place rotation or turn to change, cause the influence to boring the cranium.
As a specific implementation manner of improvement, the pull rod 51 toggles the sliding gear 42 through a toggle frame 55, the toggle frame 55 comprises two toggle plates 551 and a connecting plate 552 connected with the toggle plates 551, the toggle plates 551 and the connecting plate 552 are arranged in a U shape, the distance between the two toggle plates 551 is slightly larger than the width of the sliding gear 42, one end of the pull rod 51 is fixedly connected with one toggle plate 551, and the pull rod 51 drives the toggle frame 55 to move, and the toggle plates 551 are abutted with the end face of the sliding gear 42 and drive the sliding gear 42 to slide. Through setting up of stirring frame 55, the gear that slides 42 is located the "U" shape mouth of stirring frame 55, and when pull rod 51 drove stirring frame 55 and remove, stir the board 551 will with the terminal surface looks butt of gear 42 that slides and drive the gear 42 that slides on transmission shaft 41, this simple structure is practical, the processing of being convenient for.
As a modified embodiment, the manual driving device 3 and the transmission device 4 are symmetrically arranged along the rotation shaft 23, the two sliding plates 31 are fixedly connected with each other, the toothed surfaces of the two racks 32 face opposite, the rotation directions of the two second bevel gears 411 are opposite, and the two second bevel gears 411 drive the same first bevel gear 231 to rotate. The two second bevel gears 411 drive the same first bevel gear 231 to rotate, so that the first bevel gear 231 is stressed more uniformly and is driven more easily, and medical staff can drive the first bevel gear 231 to rotate more labor-effectively, so that the drill bit 22 is driven to rotate.
As a modified specific embodiment, a first baffle 34 is arranged between the sliding plate 31 and the transmission shaft 41, the first baffle 34 is fixedly connected with the shell 1, and when the sliding plate 31 slides forwards in place, a gap for a finger to pass through is reserved between the first baffle 34 and the sliding plate 31. By the arrangement of the first baffle 34, the phenomenon that the rotation of the transmission shaft 41 is blocked by the contact between the finger and the transmission shaft 41 or the contact between the finger and the second bevel gear 411 on the transmission shaft 41 in the process of driving the sliding plate 31 to slide by the finger of medical staff is avoided, so that the drill bit 22 cannot normally rotate.
As a modified embodiment, the side of the sliding plate 31 facing the rotating shaft 23 is provided with a second baffle 35, the second baffle 35 is fixedly connected with the housing 1, and the sliding plate 31 is in sliding connection with the second baffle 35. By the arrangement of the second baffle 35, the phenomenon that the drill bit 22 cannot normally rotate due to the fact that the rotation of the rotating shaft 23 is blocked due to the fact that the finger contacts the rotating shaft 23 in the process that the medical staff slides by driving the sliding plate 31 with the finger is avoided.
As a specific embodiment of improvement, the second baffle 35 is provided with a sliding groove 351 facing the sliding plate 31, the cross section of the sliding groove 351 is in a T shape, the sliding plate 31 is provided with a sliding block 311 protruding toward the second baffle 35, the outer contour of the sliding block 311 is matched with the cross section of the sliding groove 351, and the sliding block 311 can slide in the sliding groove 351. Through the setting of sliding groove 351 and sliding block 311, realized the slip connection between sliding plate 31 and the second baffle 35, this simple structure is convenient, the processing of being convenient for.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (4)
1. The utility model provides a cranium ware is bored in neurosurgery operation usefulness, includes casing (1), can bore drilling equipment (2) of cranium, manual drive device (3) of drive drilling equipment (2) work and can transmit power transmission to transmission (4) of drilling equipment (2) of manual drive device (3), its characterized in that: drilling equipment (2) is including rotation axis (23), set up in drill chuck (21) of rotation axis (23) tip and install drill bit (22) on drill chuck (21), rotation axis (23) and casing (1) swivelling joint, be provided with first bevel gear (231) on rotation axis (23), transmission (4) including second bevel gear (411) and transmission shaft (41) with second bevel gear (411) fixed connection with first bevel gear (231) engaged with, swivelling joint between transmission shaft (41) and casing (1), install on transmission shaft (41) and slide gear (42), fixed and axially slidable connection between slide gear (42) and transmission shaft (41) circumference, manual drive device (3) are including slide board (31) and rack (32) that can mesh with slide gear (42), slide between slide board (31) and casing (1) and be connected, rack (32) set up in slide board (31) one side and the length direction of rack (32) and rack (41) and the length direction of rack (41) that slide board (41) and transmission shaft (41) are through the direction of sliding in the perpendicular direction of the rack (41), the process (32) that slides board (31) A second bevel gear (411) and a first bevel gear (231) for driving the rotation shaft (23) to rotate;
the casing (1) is also provided with a directional rotating device (5) which can enable the drill clamp (21) to rotate only in one direction, the directional rotating device (5) comprises a pull rod (51) which can drive the sliding gear (42) to slide, a hinged rod (52) hinged with the casing (1), and a first slide rod (53) and a second slide rod (54) which are connected with the casing (1) in a sliding way, the middle of the hinged rod (52) is hinged with the casing (1), two ends of the hinged rod (52) are respectively hinged with the pull rod (51) and the first slide rod (53), the second slide rod (54) is positioned between the hinged position of the hinged rod (52) and the casing (1) and the pull rod (51), the first slide rod (53) and the second slide rod (54) are respectively positioned at two ends of the sliding stroke of the sliding plate (31), the sliding plate (31) is pushed in a sliding state, the hinged rod (52) rotates and drives the sliding gear (42) to be meshed with the first slide rod (32) in a sliding state, the hinging rod (52) rotates and drives the sliding gear (42) to slide to the sliding gear (42) to be separated from the rack (32) through the pull rod (51);
a spring (33) is arranged on one side of the sliding plate (31) opposite to the rack (32), the spring (33) is respectively connected with the sliding plate (31) and the shell (1), the spring (33) is compressed in the process that the sliding plate (31) slides backwards, and the spring (33) drives the sliding plate (31) to move forwards when reset;
inclined planes are arranged on one sides of the first sliding rod (53) and the second sliding rod (54) which are contacted with the sliding plate (31), and the inclined planes on the first sliding rod (53) and the second sliding rod (54) are respectively abutted against each other in the sliding process of the sliding plate (31) and drive the first sliding rod (53) and the second sliding rod (54) to slide;
when the first sliding rod (53) and the second sliding rod (54) slide in place, the hinge rod (52) is driven to abut against two sides of the shell (1) respectively, and magnetic blocks capable of being attracted to each other are arranged at the abutting positions of the hinge rod (52) and the two sides of the shell (1);
the pull rod (51) is used for poking the sliding gear (42) through a poking frame (55), the poking frame (55) comprises two poking plates (551) and a connecting plate (552) connected with the poking plates (551), the poking plates (551) and the connecting plate (552) are arranged in a U shape, the distance between the two poking plates (551) is matched with the width of the sliding gear (42), one end of the pull rod (51) is fixedly connected with one poking plate (551), and the pull rod (51) drives the poking frame (55) to move, and the poking plates (551) are abutted with the end face of the sliding gear (42) and drive the sliding gear (42) to slide;
the manual driving device (3) and the transmission device (4) are symmetrically arranged along the rotating shaft (23), the two sliding plates (31) are fixedly connected with each other, one toothed surfaces of the two racks (32) face opposite directions, the rotating directions of the two second bevel gears (411) are opposite, and the two second bevel gears (411) drive the same first bevel gear (231) to rotate.
2. A neurosurgical cranium drill according to claim 1 wherein: the sliding plate (31) and the transmission shaft (41) are both provided with first baffle plates (34), the first baffle plates (34) are fixedly connected with the shell (1), and when the sliding plate (31) slides forwards in place, gaps for fingers to pass through are reserved between the first baffle plates (34) and the sliding plate (31).
3. A neurosurgical cranium drill according to claim 2, wherein: the sliding plate (31) is provided with a second baffle (35) on one side facing the rotating shaft (23), the second baffle (35) is fixedly connected with the shell (1), and the sliding plate (31) is connected with the second baffle (35) in a sliding manner.
4. A neurosurgical cranium drill according to claim 3, wherein: the second baffle (35) is provided with sliding groove (351) towards sliding plate (31) one side, the cross section in sliding groove (351) is "T" shape setting, sliding plate (31) is protruding to be equipped with sliding block (311) towards one side of second baffle (35), the outline of sliding block (311) and the cross section looks adaptation in sliding groove (351), sliding block (311) can slide in sliding groove (351).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711351616.3A CN107874808B (en) | 2017-12-15 | 2017-12-15 | Cranium driller for neurosurgery operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711351616.3A CN107874808B (en) | 2017-12-15 | 2017-12-15 | Cranium driller for neurosurgery operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107874808A CN107874808A (en) | 2018-04-06 |
| CN107874808B true CN107874808B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711351616.3A Active CN107874808B (en) | 2017-12-15 | 2017-12-15 | Cranium driller for neurosurgery operation |
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| Country | Link |
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| CN (1) | CN107874808B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8521136D0 (en) * | 1985-08-23 | 1985-10-02 | Soper I P J | Rotary drilling machine |
| CN2265163Y (en) * | 1996-02-16 | 1997-10-22 | 秦怀海 | Multi-function convenient cranium drill |
| CN103750879A (en) * | 2013-11-28 | 2014-04-30 | 张秀华 | Skull drilling device for use in neurosurgery operation |
| CN106956015A (en) * | 2017-05-09 | 2017-07-18 | 郭钦 | Rapid drilling device is used in a kind of handware production |
-
2017
- 2017-12-15 CN CN201711351616.3A patent/CN107874808B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8521136D0 (en) * | 1985-08-23 | 1985-10-02 | Soper I P J | Rotary drilling machine |
| CN2265163Y (en) * | 1996-02-16 | 1997-10-22 | 秦怀海 | Multi-function convenient cranium drill |
| CN103750879A (en) * | 2013-11-28 | 2014-04-30 | 张秀华 | Skull drilling device for use in neurosurgery operation |
| CN106956015A (en) * | 2017-05-09 | 2017-07-18 | 郭钦 | Rapid drilling device is used in a kind of handware production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107874808A (en) | 2018-04-06 |
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