CN112690868A - Safe minimally invasive cranial drilling device for neurosurgery - Google Patents
Safe minimally invasive cranial drilling device for neurosurgery Download PDFInfo
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- CN112690868A CN112690868A CN202011576416.XA CN202011576416A CN112690868A CN 112690868 A CN112690868 A CN 112690868A CN 202011576416 A CN202011576416 A CN 202011576416A CN 112690868 A CN112690868 A CN 112690868A
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- 238000005553 drilling Methods 0.000 title claims abstract description 42
- 210000003625 skull Anatomy 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 238000000338 in vitro 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
- 229940054192 micro-guard Drugs 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
- 230000002265 prevention Effects 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
- 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
- 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
- A61B17/1617—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material with mobile or detachable parts
-
- 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
- A61B17/1622—Drill handpieces
-
- 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
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- Life Sciences & Earth Sciences (AREA)
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- Oral & Maxillofacial Surgery (AREA)
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- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Neurosurgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a safety minimally invasive skull drilling device for neurosurgery, which comprises a bed frame, wherein a bed board is arranged at the top end of the bed frame, strip boxes are welded at two sides of the bed board, part boxes are arranged at one ends of the two strip boxes, and a driving motor is arranged in the bed board. According to the invention, through the arrangement of the driving motor, the driving bevel gear, the driving wheel, the driven bevel gear, the first threaded rod, the rotating gear, the driven wheel, the second threaded rod, the rotating shaft, the micro protective frame, the electric push rod, the arc plates, the side plates, the skull drilling equipment and the like, the driven wheel and the rotating gear drive the rotating shaft to move along the first guide column through the second threaded rod so as to drive the skull drilling equipment to move horizontally, the electric push rod drives the arc plates to move vertically, the two arc plates drive the skull drilling equipment to move vertically through the side plates, so that the skull drilling equipment can be adjusted horizontally and vertically in multiple directions, and the head of a patient can be conveniently and comprehensively operated and treated.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a safe minimally invasive cranial drilling device for neurosurgery.
Background
Medical devices refer to instruments, devices, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including computer software as needed, the utility is mainly obtained by physical means and the like, not by pharmacological, immunological or metabolic means, or is involved in such means but has an auxiliary effect, and the purpose is diagnosis, prevention, monitoring, treatment or relief of diseases, diagnosis, monitoring, treatment, relief or functional compensation of injuries, examination, substitution, regulation or support of physiological structures or physiological processes, support or maintenance of life, pregnancy control, and information provision for medical or diagnostic purposes by examining samples from the human body.
When a brain operation is performed, the operation of opening a hole and drilling a skull is often required to be performed on the brain of a patient, most of the existing skull drilling devices are simple in structure, need a doctor to hold the device for operation, and easily cause skull drilling position deviation, so that the progress of the operation is influenced, and certain potential safety hazards are caused.
Therefore, it is necessary to invent a safe type minimally invasive cranial drilling device for neurosurgery to solve the above problems.
Disclosure of Invention
The invention aims to provide a safe minimally invasive cranial drilling device for neurosurgery, which is characterized in that a driving motor, a driving bevel gear, a driving wheel, a driven bevel gear, a first threaded rod, a rotating gear, a driven wheel, a second threaded rod, a rotating shaft, a miniature protective frame, an electric push rod, arc plates, side panels, cranial drilling equipment and other structures are arranged, so that the driven wheel and the rotating gear drive the rotating shaft to move along a first guide column through the second threaded rod so as to drive the cranial drilling equipment to horizontally move, the electric push rod drives the arc plates to vertically move, the two arc plates drive the cranial drilling equipment to vertically move through the side panels, the cranial drilling equipment can be horizontally and vertically adjusted in multiple directions, the head of a patient can be conveniently subjected to comprehensive operative treatment, and the defects in the technology are overcome.
In order to achieve the above purpose, the invention provides the following technical scheme: a safety minimally invasive skull drilling device for neurosurgery comprises a bed frame, wherein a bed board is arranged at the top end of the bed frame, strip boxes are symmetrically welded on two sides of the bed board, part boxes are arranged at one ends of the two strip boxes, a horizontally arranged driving motor is arranged in the bed board, the output end of the driving motor is sequentially and rotatably connected with a driving bevel gear and a driving wheel through a rotating shaft, one side of the driving bevel gear is meshed and connected with a driven bevel gear, the center of one end of the driven bevel gear is rotatably connected with a first threaded rod, the first threaded rod penetrates and extends to one end of one part box and is meshed and connected with a rotating gear, one side of the driving wheel penetrates and extends to the other part box through a belt and is rotatably connected with a driven wheel, the centers of the tops of the driven wheel and the rotating gear are rotatably connected with second threaded rods, and the ends of the two second, one end of each of the two rotating shafts is connected with a miniature protective frame, electric push rods are arranged in the two miniature protective frames, the output ends of the two electric push rods are connected with arc-shaped plates, one ends, far away from the electric push rods, of the two arc-shaped plates are connected with side panels, and skull drilling equipment is arranged in the two side panels.
Preferably, the junction of the first threaded rod and the part box is connected with a first ball bearing, two one end of the rotating shaft is connected with a second ball bearing in a rotating mode, and the second ball bearings are connected with the miniature protective frame through bolts.
Preferably, two all welds in the bar box and has first guide post, two first guide post all runs through corresponding rotation axis and is sliding connection.
Preferably, two first connecting pieces are welded at the output end of the electric push rod and are fixedly connected with the arc-shaped plate through bolts.
Preferably, the second connecting pieces are welded at the ends, far away from the second connecting pieces, of the arc-shaped plates, and the second connecting pieces are fixedly connected with the side panels through bolts.
Preferably, two the equal symmetrical welding in both sides of side board has first connecting plate and second connecting plate, two the both sides of side board are equipped with positive and negative threaded rod and second guide bar respectively, the one end of positive and negative threaded rod runs through a side board and extends to another side board and be the rotation connection through the bearing, the one end welding of positive and negative threaded rod has the carousel, the both ends symmetrical welding of second guide bar has the limiting plate.
Preferably, two the inboard of side board is equipped with arc splint, two the inside wall of arc splint is provided with the shock pad, two third connecting plate and fourth connecting plate have been welded respectively at the both ends of arc splint, positive and negative threaded rod runs through two third connecting plates and passes through threaded connection, the second guide bar runs through two fourth connecting plates and is sliding connection.
Preferably, one side of the bed board is provided with a control switch, and the control switch is electrically connected with the driving motor and the electric push rod.
Preferably, the bottom of the skull drilling equipment is connected with a connecting shaft, a connecting sleeve is welded at the bottom end of the connecting shaft, an internal thread is arranged on the inner wall of the top end of the connecting sleeve, a drill bit is arranged in the connecting sleeve, an external thread is arranged on the outer wall of the top end of the drill bit, the external thread is meshed with the internal thread and connected with the internal thread, an insertion hole is formed in one side of the top end of the drill bit, an insertion rod is inserted in the insertion hole, and two ends of the insertion.
Preferably, the connecting lugs are symmetrically welded on the outer walls of two sides of the top of the connecting sleeve, the two ends of the inserted rod are symmetrically connected with fastening bolts, and the two fastening bolts penetrate through one end of the corresponding connecting lug to be connected with a fastening piece.
In the technical scheme, the invention provides the following technical effects and advantages:
1. through the arrangement of structures such as a driving motor, a driving bevel gear, a driving wheel, a driven bevel gear, a first threaded rod, a rotating gear, a driven wheel, a second threaded rod, a rotating shaft, a micro protective frame, an electric push rod, an arc plate, a side plate and skull drilling equipment, the driven wheel and the rotating gear drive the rotating shaft to move along a first guide post through the second threaded rod so as to drive the skull drilling equipment to move horizontally, the arc plate is driven to move up and down through the electric push rod, the two arc plates drive the skull drilling equipment to vertically move up and down through the side plate, so that the horizontal and vertical multi-direction adjustment can be carried out on the skull drilling equipment, and the comprehensive operation treatment towards the head of a patient is;
2. break away from the realization preliminary dismantlement through manual rotation fastener until the fastener from fastening bolt, through extracting two fastening bolt from engaging lug and inserted bar in proper order and extract the inserted bar from adapter sleeve and drill bit in can realize further dismantlement, make it through external screw thread and internal thread engagement rotatory until follow the adapter sleeve in the screw-out can maintain the change to the drill bit through rotatory drill bit to be convenient for maintain the change to the drill bit, labour saving and time saving.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the arcuate splint construction of the present invention;
FIG. 3 is a schematic diagram of a side panel structure according to the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;
fig. 5 is a schematic view of the internal structure of the bed plate of the invention;
FIG. 6 is an enlarged view of the portion B of FIG. 5 according to the present invention;
fig. 7 is a schematic view of the drill bit connection structure of the present invention.
Description of reference numerals:
1. a bed frame; 2. a bed board; 3. a strip box; 4. a parts box; 5. a drive motor; 6. a drive bevel gear; 7. a driven bevel gear; 8. a first threaded rod; 9. a rotating gear; 10. a driving wheel; 11. a driven wheel; 12. a second threaded rod; 13. a rotating shaft; 14. a second ball bearing; 15. a first guide post; 16. a first ball bearing; 17. a micro-guard frame; 18. an electric push rod; 19. a first connecting member; 20. an arc-shaped plate; 21. a side panel; 22. a cranium drilling device; 23. a second connecting member; 24. a first connecting plate; 25. an arc-shaped splint; 26. a third connecting plate; 27. a second connecting plate; 28. a positive and negative threaded rod; 29. a turntable; 30. a second guide bar; 31. a fourth connecting plate; 32. a shock pad; 33. a control switch; 34. a connecting shaft; 35. connecting sleeves; 36. a drill bit; 37. an external thread; 38. an internal thread; 39. connecting lugs; 40. a jack; 41. inserting a rod; 42. fastening a bolt; 43. a fastener.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The invention provides a safety type minimally invasive skull drilling device for neurosurgery operations, which comprises a bed frame 1, wherein the top end of the bed frame 1 is provided with a bed plate 2, strip-shaped boxes 3 are symmetrically welded on two sides of the bed plate 2, one end of each of the two strip-shaped boxes 3 is provided with a part box 4, a driving motor 5 which is horizontally arranged is arranged in the bed plate 2, the output end of the driving motor 5 is sequentially and rotatably connected with a driving bevel gear 6 and a driving wheel 10 through a rotating shaft, one side of the driving bevel gear 6 is in meshed connection with a driven bevel gear 7, the center of one end of the driven bevel gear 7 is rotatably connected with a first threaded rod 8, the first threaded rod 8 penetrates through and extends to one end of one part box 4 and is in meshed connection with a rotating gear 9, one side of the driving wheel 10 penetrates through and extends to the other part box 4 through a, the driven wheel 11 and the top center of the rotating gear 9 are rotatably connected with second threaded rods 12, one end of each of the two second threaded rods 12, which penetrates and extends into the strip-shaped box 3, is respectively connected with a rotating shaft 13, one end of each of the two rotating shafts 13 is connected with a miniature protective frame 17, electric push rods 18 are respectively arranged in the two miniature protective frames 17, the output ends of the two electric push rods 18 are respectively connected with an arc-shaped plate 20, one end, far away from the electric push rods 18, of each of the two arc-shaped plates 20 is connected with a side plate 21, and skull drilling equipment 22 is arranged in each of the two side plates 21.
Further, in the above technical solution, a first ball bearing 16 is connected to a joint of the first threaded rod 8 and the parts box 4, one end of each of the two rotating shafts 13 is rotatably connected to a second ball bearing 14, the two second ball bearings 14 are connected to the micro protective frame 17 through bolts, and under the action of the first ball bearing 16, stability of the first threaded rod 8 during rotation is improved, and through the design of the rotating shafts 13 and the second ball bearings 14, the arc-shaped plate 20 and the skull drilling device 22 are rotated to a bedside and are convenient to store.
Further, in the above technical scheme, two first guide posts 15 are welded in each of the two strip boxes 3, and each of the two first guide posts 15 penetrates through the corresponding rotating shaft 13 and is in sliding connection.
Further, in the above technical scheme, two first connecting pieces 19 are welded at the output end of the electric push rod 18, and the first connecting pieces 19 are fixedly connected with the arc-shaped plate 20 through bolts, so that the purpose of conveniently detaching and replacing the arc-shaped plate 20 can be achieved through the action of the first connecting pieces 19.
Further, in the above technical solution, the second connecting pieces 23 are welded to the ends of the arc-shaped plates 20 far away from the second connecting pieces 23, and the two second connecting pieces 23 are fixedly connected to the side plate 21 through bolts.
Further, in the above technical scheme, two both sides of the side panel 21 are symmetrically welded with the first connecting plate 24 and the second connecting plate 27, two both sides of the side panel 21 are respectively provided with the positive and negative threaded rod 28 and the second guide rod 30, one end of the positive and negative threaded rod 28 penetrates through one side panel 21 and extends to the other side panel 21 to be rotatably connected through a bearing, one end of the positive and negative threaded rod 28 is welded with the rotating disc 29, two ends of the second guide rod 30 are symmetrically welded with the limiting plates, two inner sides of the side panels 21 are provided with the arc-shaped clamping plates 25, two inner side walls of the arc-shaped clamping plates 25 are provided with the shock absorption pads 32, two ends of the arc-shaped clamping plates 25 are respectively welded with the third connecting plate 26 and the fourth connecting plate 31, the positive and negative threaded rod 28 penetrates through the two third connecting plates 26 to be connected through threads, and the second, through the design of shock pad 32 to can be when boring cranium equipment 22 during operation, start the effect of buffering shock attenuation, through the effect of positive and negative threaded rod 28 and two third connecting plates 26 threaded connection and second guide bar 30, thereby can drive positive and negative threaded rod 28 to rotate through manual rotation carousel 29, can drive two arcs 20 and remove simultaneously and be convenient for be applicable to the fixed of the not unidimensional cranium equipment 22 that bores.
Further, in the above technical solution, a control switch 33 is disposed on one side of the bed plate 2, and the control switch 33 is electrically connected to the driving motor 5 and the electric push rod 18.
Further, in the above technical scheme, the bottom of the skull drilling device 22 is connected with a connecting shaft 34, the bottom end of the connecting shaft 34 is welded with a connecting sleeve 35, the inner wall of the top end of the connecting sleeve 35 is provided with an internal thread 38, a drill bit 36 is arranged in the connecting sleeve 35, the outer wall of the top end of the drill bit 36 is provided with an external thread 37, the external thread 37 is meshed with the internal thread 38, one side of the top end of the drill bit 36 is provided with an insertion hole 40, an insertion rod 41 is inserted into the insertion hole 40, and two ends of the insertion rod 41 penetrate and extend to the outer side.
Further, in the above technical solution, the connecting lugs 39 are symmetrically welded on the outer walls of two sides of the top of the connecting sleeve 35, the two ends of the inserting rod 41 are symmetrically connected with the fastening bolts 42, and one end of each of the two fastening bolts 42, which penetrates through the corresponding connecting lug 39, is connected with the fastening member 43.
The working principle of the invention is as follows:
referring to the attached figures 1-7 of the specification, firstly, the driving motor 5 is started to work, then the driving motor 5 drives the driving bevel gear 6 and the driving wheel 10 to rotate through the rotating shaft, the driving bevel gear 6 is meshed to drive the driven bevel gear 7 to rotate, the driven bevel gear 7 rotates to drive the first threaded rod 8 to rotate, the first threaded rod 8 is meshed to drive the rotating gear 9 to rotate, meanwhile, the driving wheel 10 drives the driven wheel 11 to rotate through a belt, the driven wheel 11 and the rotating gear 9 both drive the second threaded rods 12 to rotate, the two second threaded rods 12 rotate to drive the rotating shaft 13 to move along the first guide post 15 through threads so as to drive the skull drilling equipment 22 to horizontally move, the electric push rods 18 are started to work, the two electric push rods 18 simultaneously drive the arc-shaped plate 20 to vertically move up and down, so that the two arc plates 20 drive the skull drilling equipment 22 to vertically move up and down through the side plate 21;
referring to fig. 1 and 7 of the specification, the bit 36 can be repaired and replaced by manually turning the fastener 43 until the fastener 43 is disengaged from the fastener bolt 42, then pulling the two fastener bolts 42 out of the connecting lug 39 and the inserted rod 41 in sequence, then pulling the inserted rod 41 out of the connecting sleeve 35 and the bit 36, and finally rotating the bit 36 to rotate through the engagement of the external thread 37 and the internal thread 38 until the bit is screwed out of the connecting sleeve 35.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A neurosurgical safe minimally invasive skull drilling device comprises a bed frame (1), and is characterized in that: the bed frame is characterized in that a bed plate (2) is arranged at the top end of the bed frame (1), strip boxes (3) are symmetrically welded on two sides of the bed plate (2), part boxes (4) are arranged at one ends of the two strip boxes (3), a driving motor (5) horizontally arranged is arranged in the bed plate (2), the output end of the driving motor (5) is sequentially connected with a driving bevel gear (6) and a driving wheel (10) in a rotating mode through a rotating shaft, a driven bevel gear (7) is meshed and connected to one side of the driving bevel gear (6), a first threaded rod (8) is rotatably connected to the center of one end of the driven bevel gear (7), a rotating gear (9) is meshed and connected to one end of the first threaded rod (8) which penetrates through one part box (4), a belt penetrates through one side of the driving wheel (10) to the other part box (4) and, the driven wheel (11) and the top center of the rotating gear (9) are rotatably connected with second threaded rods (12), two second threaded rods (12) penetrate through and extend into one end of the strip-shaped box (3) and are respectively connected with a rotating shaft (13), one end of each rotating shaft (13) is connected with a miniature protective frame (17), electric push rods (18) are arranged in the miniature protective frames (17), the output ends of the two electric push rods (18) are respectively connected with an arc-shaped plate (20), one end, far away from the electric push rods (18), of each arc-shaped plate (20) is connected with a side panel (21), and skull drilling equipment (22) is arranged in each side panel (21).
2. The neurosurgical safe minimally invasive cranial drilling device according to claim 1, wherein: the joint of the first threaded rod (8) and the part box (4) is connected with a first ball bearing (16), two one end of the rotating shaft (13) is connected with a second ball bearing (14) in a rotating mode, and the second ball bearing (14) is connected with a miniature protective frame (17) through a bolt.
3. The neurosurgical safe minimally invasive cranial drilling device according to claim 1, wherein: two all welding has first guide post (15) in bar box (3), two first guide post (15) all run through corresponding rotation axis (13) and are sliding connection.
4. The neurosurgical safe minimally invasive cranial drilling device according to claim 1, wherein: the output end of the two electric push rods (18) is welded with first connecting pieces (19), and the first connecting pieces (19) are fixedly connected with the arc-shaped plate (20) through bolts.
5. The neurosurgical safe type minimally invasive cranial drilling device according to claim 4, wherein: and one end of the arc-shaped plate (20), which is far away from the second connecting piece (23), is welded with the second connecting piece (23), and the two second connecting pieces (23) are fixedly connected with the side panel (21) through bolts.
6. The neurosurgical safe minimally invasive cranial drilling device according to claim 1, wherein: two the equal symmetrical welding in both sides of side board (21) has first connecting plate (24) and second connecting plate (27), two the both sides of side board (21) are equipped with positive and negative threaded rod (28) and second guide bar (30) respectively, the one end of positive and negative threaded rod (28) is run through one side board (21) and is extended to another side board (21) and be the rotation through the bearing and connect, the one end welding of positive and negative threaded rod (28) has carousel (29), the both ends symmetrical welding of second guide bar (30) has the limiting plate.
7. The neurosurgical safe type minimally invasive cranial drilling device according to claim 6, wherein: two the inboard of side board (21) is equipped with arc splint (25), two the inside wall of arc splint (25) is provided with shock pad (32), two third connecting plate (26) and fourth connecting plate (31) have been welded respectively to the both ends of arc splint (25), positive and negative threaded rod (28) run through two third connecting plates (26) and pass through threaded connection, second guide bar (30) run through two fourth connecting plates (31) and are sliding connection.
8. The neurosurgical safe minimally invasive cranial drilling device according to claim 1, wherein: one side of the bed board (2) is provided with a control switch (33), and the control switch (33) is electrically connected with the driving motor (5) and the electric push rod (18).
9. The neurosurgical safe minimally invasive cranial drilling device according to claim 1, wherein: the bottom of boring cranium equipment (22) is connected with connecting axle (34), the bottom welding of connecting axle (34) has adapter sleeve (35), the top inner wall of adapter sleeve (35) is equipped with internal thread (38), be equipped with drill bit (36) in adapter sleeve (35), the top outer wall of drill bit (36) is equipped with external screw thread (37), external screw thread (37) are connected with internal thread (38) meshing, jack (40) have been seted up to top one side of drill bit (36), it has inserted bar (41) to peg (40) interpolation, the both ends of inserted bar (41) run through the outside that extends to adapter sleeve (35).
10. The neurosurgical safe type minimally invasive cranial drilling device according to claim 9, wherein: the connecting device is characterized in that connecting lugs (39) are symmetrically welded on the outer walls of two sides of the top of the connecting sleeve (35), fastening bolts (42) are symmetrically connected to two ends of the inserted rod (41), and the fastening bolts (42) penetrate through one ends of the corresponding connecting lugs (39) and are connected with fastening pieces (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011576416.XA CN112690868A (en) | 2020-12-28 | 2020-12-28 | Safe minimally invasive cranial drilling device for neurosurgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011576416.XA CN112690868A (en) | 2020-12-28 | 2020-12-28 | Safe minimally invasive cranial drilling device for neurosurgery |
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| CN112690868A true CN112690868A (en) | 2021-04-23 |
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| CN202011576416.XA Pending CN112690868A (en) | 2020-12-28 | 2020-12-28 | Safe minimally invasive cranial drilling device for neurosurgery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633342A (en) * | 2021-08-27 | 2021-11-12 | 首都医科大学附属北京天坛医院 | Improved skull drill for neurosurgery |
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Application publication date: 20210423 |