CN112220523A - Miniature bone drill of neurosurgery cranium - Google Patents
Miniature bone drill of neurosurgery cranium Download PDFInfo
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- CN112220523A CN112220523A CN202011260352.2A CN202011260352A CN112220523A CN 112220523 A CN112220523 A CN 112220523A CN 202011260352 A CN202011260352 A CN 202011260352A CN 112220523 A CN112220523 A CN 112220523A
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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
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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
- A61B90/10—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 for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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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
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
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Abstract
The invention discloses a cranial miniature bone drill for neurosurgery, which belongs to the technical field of medical instruments and comprises a handheld frame, wherein four corners of the side wall of one side of the handheld frame are transversely welded with limit slide bars, and one end of each limit slide bar, which is far away from the handheld frame, is provided with a bone drilling mechanism. By arranging the synchronous telescopic frame which can be unfolded outwards when moving with the bone drilling motor, in the process of drilling, the column-shaped push block can prop the skin and flesh around the drilling position to the periphery, so that medical staff can finish the drilling operation by a single person, and the influence on the implementation of the drilling exploration operation caused by the fact that a plurality of people stand in the narrow space of the head of a patient is avoided.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a cranial miniature bone drill for neurosurgery.
Background
The surgery is called as operation, commonly known as open surgery, and refers to a treatment process of entering human body or other biological tissues through surgical equipment or surgical instruments and operated by surgeons or other professionals to remove pathological changes, change structures or implant foreign objects by means of external force. Early surgery was limited to simple manual methods of cutting, incising, and suturing the body surface, such as abscess drainage, tumor excision, and trauma suturing. Surgery is a procedure that destroys the integrity of tissue (incision), or restores the integrity of the destroyed tissue (suture). With the development of surgery, the field of surgery is expanding and can be performed at any part of the human body. Neurosurgery is a clinical surgical department which treats diseases of central nervous system (brain, spinal cord), peripheral nervous system and vegetative nervous system by taking operation as a main means.
When a patient without CT examination conditions or with an urgent condition is not ready to carry out CT detection, when the intracranial hematoma is to be diagnosed, drilling exploration is carried out with minutes and seconds, the skull of the patient is opened immediately after the hematoma is discovered to carry out corresponding operation, when the cranial drilling exploration operation is carried out in neurosurgery, medical personnel are required to drill the skull of the patient through a drilling machine, most of drilling feed of the existing equipment for drilling the skull of the patient needs the medical personnel to drill the skull through manual rotation or forced pressing, great trouble and labor are wasted, the timely treatment of the patient is influenced, and most of the drilling process needs the medical personnel to pull the surrounding skin and flesh apart so as to prevent the rotary influence on a drill bit in the drilling process, the skull space of the patient is small, the medical personnel cannot stand more, the influence and the operation for probing the skull of the patient is influenced, and based on the above, the invention designs a cranial miniature bone drill for neurosurgery, which aims to solve the problems.
Disclosure of Invention
The invention aims to provide a cranial micro-osteotome for neurosurgery, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a cranial miniature bone drill for neurosurgery comprises a handheld frame, wherein a limit slide bar is transversely welded at four corners of a side wall of the handheld frame, one end of the limit slide bar, which is far away from the handheld frame, is provided with a bone drilling mechanism, the bone drilling mechanism comprises a support sleeve, an inner cavity of the support sleeve is provided with a bone drilling motor with a drill bit, the outer wall of the support sleeve is provided with four groups of synchronous telescopic frames in a cross arrangement, a positioning bracket is arranged between one ends of the four groups of synchronous telescopic frames, which are far away from the support sleeve, and is fixed with one end of the limit slide bar, two groups of support connecting rods are transversely and vertically symmetrically welded at the side wall of the other side of the handheld frame, a shoulder supporting plate is welded between one ends of the two groups of support connecting rods, the handheld frame comprises a supporting block, a handle is welded at the bottom of the supporting block, and a, the utility model discloses a handheld frame, including handheld frame, supporting shoe, positioning sleeve, drive gear and drive gear, feeding mechanism is installed to handheld frame's lateral wall, feeding mechanism includes positioning sleeve, positioning sleeve runs through the lateral wall of supporting shoe, positioning sleeve's inner chamber transversely installs the promotion screw rod, and the both ends that promote the screw rod pass positioning sleeve's both ends respectively, positioning sleeve's one end outer wall has cup jointed drive gear, the lateral wall of supporting shoe is inlayed and is had the feed motor, the output shaft end cover of feed motor has connect drive gear, and intermeshing between drive gear and the drive gear, the one end of promotion screw rod is installed and.
Preferably, a fixed jack matched with the positioning sleeve is arranged in the middle of the side wall of the supporting block, a wear-resistant bearing is installed at the joint of the fixed jack and the positioning sleeve, an inner thread matched with the pushing screw is arranged on the side wall of the inner cavity of the positioning sleeve, and the positioning sleeve can be driven by the transmission gear to rotate on the side wall of the positioning sleeve.
Preferably, the outer walls of the handle and the shoulder supporting plate are respectively bonded with a rubber protective sleeve, the control end of the control switch is respectively connected with the control ends of the bone drilling motor and the feeding motor through wires, and the side wall of the supporting block is provided with a limiting clamping groove matched with the feeding motor.
Preferably, the connection push plate is a magnetic circular push plate, and the connection part of the connection push plate and the pushing screw is connected through a bearing.
Preferably, positioning slot has evenly been seted up to the inner chamber of support sleeve, the even welding in support sleeve's outer wall middle part has four groups of stable sleeves with spacing slide bar matched with, the even welding of outer wall that the support sleeve is close to the open end has four groups of U type otic placodes one with synchronous expansion bracket matched with, and crisscross setting each other between four groups of U type otic placodes one and four groups of stable sleeves.
Preferably, clearance fit is adopted between the stabilizing sleeve and the limiting slide rod, and the stabilizing sleeve can slide on the outer wall of the limiting slide rod along with the movement of the supporting sleeve.
Preferably, the synchronous telescopic frame comprises a first connecting pull plate matched with the first U-shaped ear plate, the bottom end of the first connecting pull plate is movably connected with the inner cavity of the first U-shaped ear plate through a pin, the top end of the first connecting pull plate is movably connected with a second connecting pull plate through a pin, the bottom end of the second connecting pull plate is movably connected with the positioning support through a pin, four groups of the first connecting pull plate and the second connecting pull plate are mutually staggered with four groups of limiting slide bars, a rectangular notch is vertically formed in the middle of the side wall of the second connecting pull plate, the second U-shaped ear plate is welded in the middle of the bottom of the first connecting pull plate, the inner cavity of the second U-shaped ear plate is movably connected with an arc push plate through a pin, the top end of the arc push plate penetrates through the inner cavity of the rectangular notch, an arc chute is formed in the side wall of the arc push plate, a limiting shaft rod is installed in the, the top end of the arc-shaped push plate is movably connected with a cylindrical push block through a pin.
Preferably, the two ends of the second connecting pull plate are provided with U-shaped clamping grooves, the arc-shaped push plate can slide in the inner cavity of the rectangular notch, and the limiting shaft lever and the arc-shaped sliding groove are in clearance fit.
Preferably, the locating support includes and is connected the cross support that arm-tie two phases are connected, location drilling has been seted up at the lateral wall middle part of cross support, the lateral wall of cross support is that the cross bonds and has four group's flexible briquetting, and four group's flexible briquetting equipartitions around the location drilling, the lateral wall of cross support is that the cross welding has four group's backup pad, and four group's backup pad and cross support crisscross setting each other, the lateral wall top of backup pad transversely welds has fixed sleeve, and the one end fixed connection of fixed sleeve and spacing slide bar.
Preferably, the control switch is a three-phase button control switch, and the bone drilling motor and the feeding motor are both miniature direct current electric motors.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the feeding mode, the rotation of the feeding motor is controlled through the control switch, and the bone drilling motor can be pushed to move forwards at a constant speed by the connecting push plate through a series of mechanical transmissions, so that the complexity of rotating in hands or pressing down with force of medical staff is avoided, and the drilling exploration operation of the medical staff is facilitated;
2) the synchronous telescopic frame which can be unfolded outwards along with the movement of the bone drilling motor is arranged, so that in the drilling process, the columnar push block can prop skin and flesh around the drilling position to the periphery, medical staff can complete the drilling operation by a single person, and the influence on the implementation of the drilling exploration operation due to the complex property of needing multiple persons and the narrow space of the head of a patient in which the multiple persons stand is avoided;
3) according to the invention, the shoulder supporting plate capable of abutting against the shoulder is arranged behind the handheld frame, so that the shoulder supporting plate can abut against the shoulder of medical staff, the medical staff can conveniently clamp the product by one arm, and the stability in the drilling process is ensured;
of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a bone drilling mechanism according to the present invention;
FIG. 3 is an isometric elevation view of the hand held frame of the present invention;
FIG. 4 is a schematic view of the feeding mechanism of the present invention;
FIG. 5 is a rear perspective view of the hand held frame of the present invention;
FIG. 6 is an enlarged view of the S portion of the present invention;
FIG. 7 is a schematic view of a support sleeve according to the present invention;
FIG. 8 is a schematic view of a synchronous telescopic frame according to the present invention;
FIG. 9 is a schematic view of a positioning bracket according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a handheld frame, 11-a supporting block, 12-a handle, 13-a control switch, 2-a limit slide bar, 3-a bone drilling mechanism, 31-a supporting sleeve, 311-a positioning clamping groove, 312-a stabilizing sleeve, 313-a U-shaped ear plate I, 32-a bone drilling motor, 33-a synchronous telescopic frame, 331-a connecting pull plate I, 332-a connecting pull plate II, 333-a rectangular notch, 334-a U-shaped ear plate II, 335-an arc push plate, 336-an arc sliding groove, 337-a limit shaft lever, 338-a cylindrical push block, 34-a positioning bracket, 341-a cross bracket, 342-a positioning drill hole, 343-a flexible press block, 344-a supporting plate, 345-a fixing sleeve, 4-a supporting connecting rod, 5-a shoulder supporting plate and 6-a feeding mechanism, 61-positioning sleeve, 62-pushing screw, 63-transmission gear, 64-feeding motor, 65-driving gear, 66-connecting push plate.
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. 1-6, the present invention provides a technical solution: a cranial miniature bone drill for neurosurgery comprises a handheld frame 1, wherein limit slide bars 2 are transversely welded at four corners of the side wall of one side of the handheld frame 1, one ends of the limit slide bars 2, which are far away from the handheld frame 1, are provided with bone drilling mechanisms 3, each bone drilling mechanism 3 comprises a support sleeve 31, a bone drilling motor 32 with a drill bit is installed in the inner cavity of each support sleeve 31, four groups of synchronous telescopic frames 33 are installed on the outer wall of each support sleeve 31 in a cross arrangement mode, a positioning support 34 is installed between the ends, which are far away from the support sleeves 31, of the four groups of synchronous telescopic frames 33, and the positioning support 34 is fixed with one end of each limit slide bar 2, so that the bone drilling motors 32 can be conveniently positioned through the positioning supports 34 and accurately drill holes on the cranial;
two groups of supporting connecting rods 4 are transversely and symmetrically welded on the side wall of the other side of the handheld frame 1 from top to bottom, a shoulder supporting plate 5 is welded between one ends, far away from the handheld frame 1, of the two groups of supporting connecting rods 4, the shoulder supporting plate 5 can abut against shoulders of medical staff, the product can be conveniently clamped by the medical staff through one arm, and the stability in the drilling process is ensured;
the feeding mechanism 6 is installed on the side wall of the handheld frame 1, the feeding mechanism 6 comprises a positioning sleeve 61, the positioning sleeve 61 penetrates through the side wall of the supporting block 11, a pushing screw 62 is transversely installed in the inner cavity of the positioning sleeve 61, two ends of the pushing screw 62 penetrate through two ends of the positioning sleeve 61 respectively, a transmission gear 63 is sleeved on the outer wall of one end of the positioning sleeve 61, a fixed insertion hole matched with the positioning sleeve 61 is formed in the middle of the side wall of the supporting block 11, a wear-resistant bearing is installed at the joint of the fixed insertion hole and the positioning sleeve 61, and the rotating wear of the joint of the positioning sleeve 61 and the fixed insertion;
the side wall of the inner cavity of the positioning sleeve 61 is provided with an internal thread matched with the pushing screw 62, the positioning sleeve 61 can be driven by the transmission gear 63 to rotate on the side wall of the positioning sleeve 61, the side wall of the supporting block 11 is inlaid with a feeding motor 64, rubber protective sleeves are bonded on the outer walls of the handle 12 and the shoulder supporting plate 5, and the comfort of holding and abutting against the shoulder is improved;
the control end of the control switch 13 is respectively connected with the control ends of the bone drilling motor 32 and the feeding motor 64 through leads, the side wall of the supporting block 11 is provided with a limiting clamping groove matched with the feeding motor 64, the feeding motor 64 is conveniently installed on the side wall of the supporting block 11, the output shaft end of the feeding motor 64 is sleeved with a driving gear 65, the driving gear 65 is meshed with a transmission gear 63, one end of the pushing screw 62 is provided with a connecting push plate 66, the connecting push plate 66 is fixedly adsorbed with the side wall of the supporting sleeve 31, the connecting push plate 66 is a magnetic round push plate, and the connecting part of the connecting push plate 66 and the pushing screw 62 is connected through a bearing, so that the rotational abrasion between the connecting push plate 66 and the pushing screw 62;
the control switch 13 is a three-phase button control switch, the bone drilling motor 32 and the feeding motor 64 are all miniature direct current electric motors, the rotation of the feeding motor 64 and the bone drilling motor 32 is controlled by the control switch 13, the rotation of the feeding motor 64 drives the rotation of the driving gear 65, the rotation of the driving gear 65 drives the transmission gear 63 to rotate, the rotation of the transmission gear 63 drives the positioning sleeve 61 to rotate, through the rotation of the positioning sleeve 61 and the thread action between the inner cavity of the positioning sleeve and the pushing screw 62, the pushing screw 62 can slide in the inner cavity of the positioning sleeve 61, the connecting push plate 66 is pushed to slide by the pushing screw rod 62, and the bone drilling motor 32 is pushed to move forwards at a constant speed by the connecting push plate 66, so that the complexity of rotating in hands or pressing down with force of medical staff is avoided, and the drilling exploration operation of the medical staff is facilitated;
referring to fig. 7, the present invention provides a technical solution: positioning clamping grooves 311 are uniformly formed in the inner cavity of the supporting sleeve 31, so that the bone drilling motor 32 can be conveniently fixed in the inner cavity of the supporting sleeve 31, four groups of stabilizing sleeves 312 matched with the limiting slide bars 2 are uniformly welded in the middle of the outer wall of the supporting sleeve 31, the stabilizing sleeves 312 are in clearance fit with the limiting slide bars 2, the stabilizing sleeves 312 can slide on the outer wall of the limiting slide bars 2 along with the movement of the supporting sleeve 31, the sliding stability of the supporting sleeve 31 is improved, four groups of U-shaped ear plates 313 matched with the synchronous telescopic frame 33 are uniformly welded on the outer wall, close to the opening end, of the supporting sleeve 31, the four groups of U-shaped ear plates 313 and the four groups of stabilizing sleeves 312 are arranged in a staggered mode, and the supporting sleeve 31 is conveniently connected with the;
referring to fig. 8, the present invention provides a technical solution: the synchronous telescopic frame 33 comprises a first connecting pull plate 331 matched with a first U-shaped lug plate 313, the bottom end of the first connecting pull plate 331 is movably connected with the inner cavity of the first U-shaped lug plate 313 through a pin, the top end of the first connecting pull plate 331 is movably connected with a second connecting pull plate 332 through a pin, the bottom end of the second connecting pull plate 332 is movably connected with the positioning bracket 34 through a pin, the first four groups of connecting pull plates 331 and the second connecting pull plates 332 are mutually staggered with the four groups of limiting slide bars 2, the middle of the side wall of the second connecting pull plate 332 is vertically provided with a rectangular notch 333, the middle of the bottom of the first connecting pull plate 331 is welded with a second U-shaped lug plate 334, the inner cavity of the second U-shaped lug plate 334 is movably connected with an arc push plate 335 through a pin, the top end of the arc push plate 335 passes through the inner cavity of the rectangular notch 333, the side wall of the arc push plate 335 is provided with an arc chute 336, the inner, the two ends of the second connecting pull plate 332 are provided with U-shaped clamping grooves, the arc push plate 335 can slide in the inner cavity of the rectangular notch 333, the limiting shaft lever 337 and the arc chute 336 are in clearance fit, the top end of the arc push plate 335 is movably connected with a cylindrical push block 338 through a pin, when the support sleeve 31 is pushed by the connecting push plate 66, the first connecting pull plate 331 can rotate downwards around the pin connected with the second connecting pull plate 332, the arc push plate 335 is pushed by the first connecting pull plate 331 to slide outwards along the inner cavity of the arc chute 336 under the limiting action of the limiting shaft 337, so that the cylindrical push block 338 can prop skin and flesh around the drilling part outwards, a single medical staff can complete the drilling operation, and the influence on the implementation of the drilling exploration operation caused by the fact that a plurality of people need to cooperate and the plurality of people stand in the narrow space of the head of a patient is avoided;
referring to fig. 9, the present invention provides a technical solution: the positioning support 34 comprises a cross support 341 connected with the second connecting pull plate 332, a positioning drill hole 342 is formed in the middle of the side wall of the cross support 341, positioning drill holes of the drill bit of the bone drilling motor 32 are convenient to drill, four groups of flexible press blocks 343 are bonded on the side wall of the cross support 341 in a cross manner, the four groups of flexible press blocks 343 are uniformly distributed around the positioning drill hole 342, the flexible press blocks 343 can reduce the compression of the 341 on the skull of the patient, four groups of support plates 344 are welded on the side wall of the cross support 341 in a cross manner, the four groups of support plates 344 and the cross support 341 are arranged in a staggered manner, a fixing sleeve 345 is welded at the top end of the side wall of each support plate 344 in a transverse manner, and the fixing sleeve 345 is fixedly connected with one end.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a miniature bone drill of neurosurgery cranium, includes handheld frame (1), its characterized in that: the bone drilling machine is characterized in that a limit slide rod (2) is transversely welded at four corners of a side wall of the handheld frame (1), a bone drilling mechanism (3) is arranged at one end, far away from the handheld frame (1), of the limit slide rod (2), the bone drilling mechanism (3) comprises a supporting sleeve (31), a bone drilling motor (32) with a drill bit is installed in an inner cavity of the supporting sleeve (31), four groups of synchronous telescopic frames (33) are arranged on the outer wall of the supporting sleeve (31) in a cross mode, a positioning support (34) is installed between one ends, far away from the supporting sleeve (31), of the four groups of synchronous telescopic frames (33), the positioning support (34) is fixed with one end of the limit slide rod (2), two groups of supporting connecting rods (4) are symmetrically welded at the upper and lower positions of the side wall of the other side of the handheld frame (1), and a shoulder supporting plate (5) is welded between one ends, far away, the handheld frame (1) comprises a supporting block (11), a handle (12) is welded at the bottom of the supporting block (11), a control switch (13) is installed on the side wall of the handle (12), a feeding mechanism (6) is installed on the side wall of the handheld frame (1), the feeding mechanism (6) comprises a positioning sleeve (61), the positioning sleeve (61) penetrates through the side wall of the supporting block (11), a pushing screw (62) is transversely installed in an inner cavity of the positioning sleeve (61), two ends of the pushing screw (62) penetrate through two ends of the positioning sleeve (61) respectively, a transmission gear (63) is sleeved on the outer wall of one end of the positioning sleeve (61), a feeding motor (64) is inlaid in the side wall of the supporting block (11), a driving gear (65) is sleeved on an output shaft end of the feeding motor (64), and the driving gear (65) and the transmission gear (63) are meshed with each other, the one end of promotion screw rod (62) is installed and is connected push pedal (66), and connects push pedal (66) and the lateral wall adsorption of support sleeve (31) and fix.
2. A neurosurgical cranial micro-burr according to claim 1, wherein: the fixed jack matched with the positioning sleeve (61) is arranged in the middle of the side wall of the supporting block (11), a wear-resistant bearing is installed at the joint of the fixed jack and the positioning sleeve (61), the inner cavity side wall of the positioning sleeve (61) is provided with an internal thread matched with the pushing screw rod (62), and the positioning sleeve (61) can be driven by the transmission gear (63) to rotate on the side wall of the positioning sleeve (61).
3. A neurosurgical cranial micro-burr according to claim 1, wherein: the outer walls of the handle (12) and the shoulder supporting plate (5) are respectively bonded with a rubber protective sleeve, the control end of the control switch (13) is respectively connected with the control ends of the bone drilling motor (32) and the feeding motor (64) through leads, and the side wall of the supporting block (11) is provided with a limiting clamping groove matched with the feeding motor (64).
4. A neurosurgical cranial micro-burr according to claim 1, wherein: the connecting push plate (66) is a magnetic circular push plate, and the connecting position of the connecting push plate (66) and the pushing screw rod (62) is connected through a bearing.
5. A neurosurgical cranial micro-burr according to claim 1, wherein: positioning channel groove (311) have evenly been seted up to the inner chamber of support sleeve (31), the outer wall middle part of support sleeve (31) is evenly welded and is stabilized sleeve (312) with four groups of spacing slide bar (2) matched with, the outer wall even welding that support sleeve (31) are close to the open end has and stabilizes telescopic bracket (33) matched with four groups of U type otic placodes (313), and crisscross setting each other between four groups of U type otic placodes (313) and four groups of stable sleeve (312).
6. A neurosurgical cranial micro-burr according to claim 5, wherein: the stabilizing sleeve (312) is in clearance fit with the limiting slide rod (2), and the stabilizing sleeve (312) can slide on the outer wall of the limiting slide rod (2) along with the movement of the supporting sleeve (31).
7. A neurosurgical cranial micro-burr according to claim 5, wherein: the synchronous telescopic frame (33) comprises a first connecting pull plate (331) matched with a first U-shaped ear plate (313), the bottom end of the first connecting pull plate (331) is movably connected with the inner cavity of the first U-shaped ear plate (313) through a pin, the top end of the first connecting pull plate (331) is movably connected with a second connecting pull plate (332) through a pin, the bottom end of the second connecting pull plate (332) is movably connected with a positioning bracket (34) through a pin, the four groups of the first connecting pull plate (331), the second connecting pull plate (332) and four groups of limiting slide bars (2) are arranged in a staggered mode, a rectangular notch (333) is vertically formed in the middle of the side wall of the second connecting pull plate (332), a second U-shaped ear plate (334) is welded in the middle of the bottom of the first connecting pull plate (331), an arc push plate (335) is movably connected with the inner cavity of the second U-shaped ear plate (334) through a pin, and the top end of the arc push plate (335) penetrates through, arc spout (336) have been seted up to the lateral wall of arc push pedal (335), spacing axostylus axostyle (337) is installed to the inner chamber of rectangle notch (333), and the inner chamber of arc spout (336) is passed to spacing axostylus axostyle (337), there is cylindricality ejector pad (338) on the top of arc push pedal (335) through pin swing joint.
8. A neurosurgical cranial micro-burr according to claim 7, wherein: the two ends of the second connecting pull plate (332) are provided with U-shaped clamping grooves, the arc-shaped push plate (335) can slide in the inner cavity of the rectangular notch (333), and the limiting shaft lever (337) is in clearance fit with the arc-shaped sliding groove (336).
9. A neurosurgical cranial micro-burr according to claim 7, wherein: the positioning support (34) comprises a cross support (341) connected with a second connecting pull plate (332), positioning drill holes (342) are formed in the middle of the side wall of the cross support (341), four groups of flexible press blocks (343) are bonded on the side wall of the cross support (341) in a cross mode, the four groups of flexible press blocks (343) are uniformly distributed around the positioning drill holes (342), four groups of support plates (344) are welded on the side wall of the cross support (341) in a cross mode, the four groups of support plates (344) and the cross support (341) are arranged in a staggered mode, a fixing sleeve (345) is welded on the top end of the side wall of each support plate (344) in a transverse mode, and the fixing sleeve (345) is fixedly connected with one end of a limiting slide.
10. A neurosurgical cranial micro-burr according to claim 1, wherein: the control switch (13) is a three-phase button control switch, and the bone drilling motor (32) and the feeding motor (64) are both miniature direct current electric motors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011260352.2A CN112220523B (en) | 2020-11-12 | 2020-11-12 | Miniature bone drill of neurosurgery cranium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011260352.2A CN112220523B (en) | 2020-11-12 | 2020-11-12 | Miniature bone drill of neurosurgery cranium |
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| CN112220523A true CN112220523A (en) | 2021-01-15 |
| CN112220523B CN112220523B (en) | 2023-01-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB353706A (en) * | 1930-07-29 | 1931-07-30 | Martin Loth | Improvements in devices for drilling bone |
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| CN210784533U (en) * | 2019-08-01 | 2020-06-19 | 孔博 | Skull drill for neurosurgery |
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| US5207681A (en) * | 1987-10-26 | 1993-05-04 | Neurodynamics, Inc. | Drill guide apparatus for perpendicular perforation of the cranium |
| US5746743A (en) * | 1990-07-13 | 1998-05-05 | Greenberg Surgical Technologies, Llc | Single-handed surgical drill depth guide with mandibular retractor |
| CN204169895U (en) * | 2014-09-01 | 2015-02-25 | 天津泰宁中恒科技有限公司 | A kind of cranial drill |
| CN107981910A (en) * | 2017-12-27 | 2018-05-04 | 深圳市第二人民医院 | A kind of skull bone window end hole device |
| CN110151238A (en) * | 2018-04-10 | 2019-08-23 | 郭凯 | Cranium struts drainage device after a kind of neurosurgery |
| CN108567467A (en) * | 2018-04-26 | 2018-09-25 | 成都吱吖科技有限公司 | A kind of nervous system drilling into bone device used for medical procedures |
| CN110236615A (en) * | 2019-06-24 | 2019-09-17 | 自贡市第一人民医院 | Skin struts styloid process truncating device |
| CN110201286A (en) * | 2019-07-02 | 2019-09-06 | 自贡市第一人民医院 | Percutaneous tracheotomy tracheal catheter implanting device |
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| CN210784533U (en) * | 2019-08-01 | 2020-06-19 | 孔博 | Skull drill for neurosurgery |
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| CN112220523B (en) | 2023-01-24 |
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