CN105380697B - Spade-type depthkeeping degree bores safely cranium hand drill - Google Patents
Spade-type depthkeeping degree bores safely cranium hand drill Download PDFInfo
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- CN105380697B CN105380697B CN201510987903.8A CN201510987903A CN105380697B CN 105380697 B CN105380697 B CN 105380697B CN 201510987903 A CN201510987903 A CN 201510987903A CN 105380697 B CN105380697 B CN 105380697B
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- Prior art keywords
- keyhole
- safety cock
- pitch
- hollow boring
- safe
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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
-
- 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
- A61B17/1655—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for tapping
-
- 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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- 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)
- Surgical Instruments (AREA)
Abstract
The present invention has separated a kind of spade-type depthkeeping degree cone cranium hand drill safely, it is characterized in that provided with annular hand grip and isometrical hollow boring bit, the perpendicular shape in rear end of isometrical hollow boring bit is connected with the outside diameter wall of annular hand grip, isometrical hollow boring bit front end is in the arc shovel face of involute shape, arc shovel face forms isometrical hollow boring bit front end the cutting edge of ellipse, cutting edge is formed by the outer wall and collection bone bits face of isometrical hollow boring bit, crumb loading face and the angle that isometrical hollow boring bit outer wall is in 15 25o, five safe keyholes are at least arranged in sequence with isometrical hollow boring bit after cutting edge from front to back, successively decreased by preceding then safety cock pitch of holes, the axis of first keyhole is away from arc shovel face cutting edge rear end distance at least 1mm, safe keyhole one end is connected through screw thread with safe keyhole, the present invention one is to form skull bone hole while removing bone bits, two be the safety that safety cock ensure that operation, three be to quantify drill bit start secure depth, improve surgical quality, five be to meet ergonomic characteristics, operating efficiency is high.
Description
Technical field
The present invention relates to medical apparatus, particularly a kind of spade-type depthkeeping degree for being used to bore the operation of cranium external drainage bores safely cranium hand
Bore.
Background technology
At present, the operation of cone cranium is the conventional operation for treating the intracerebral lesions such as hypertensive cerebral hemorrhage, hydrocephalus, and it has micro-
Wound, it is efficient the advantages of.The sphenotresia instrument used at present includes：Hand drill, cranium cone, electronic automatic stop craniotomy drill etc..Above-mentioned hand
Art apparatus it is easy to use degree, safely, avoid bone bits retain, maintain in terms of there is respective shortcoming：First, hand drill：Skin is soft
Tissue cut, skull bone hole are excessive, and operation is time-consuming, and anesthesia, aseptic condition require high；2nd, cranium is bored because its head end is three prismatic,
Skull chip can not be removed, often brings skull chip in brain tissue into, increase damage and postoperative infection chance；Its preventing and treating is too deep
Sting device is generally screw, only frictionally stop cone cranium it is too deep, and be not easy to quantify drill bit enter depth, using effect is poor；
3rd, electronic auto-stop cranium bit：It can not remove bone bits, and the automatic stop protection often interference skull punching of bit contact skin causes operation
Back Analysis of Actual Safety Degree declines, and the maintenance degree of electric drill is big, battery maintenance frequency is high, it is cumbersome to sterilize, and easily occurs because of certain ring
Section management and control undue influence emergency treatment is used, and its cost of equipment is high in addition, often can not meet the need of linked-together selling because of equipment disinfection
Will.
The content of the invention
The purpose of the present invention be overcome above-mentioned the deficiencies in the prior art there is provided a kind of controllability it is strong, safe and reliable, improve hand
The spade-type depthkeeping degree of art quality bores safely cranium hand drill.
The present invention can be reached by following measure：
A kind of spade-type depthkeeping degree bores safely cranium hand drill, it is characterised in that isometrical provided with annular hand grip and isometrical hollow boring bit
The perpendicular shape in rear end of hollow boring bit is connected with the outside diameter wall of annular hand grip, and isometrical hollow boring bit front end is in the arc of involute shape
Shape shovel face, arc shovel face forms isometrical hollow boring bit front end the cutting edge of ellipse, and cutting edge is by the outer of isometrical hollow boring bit
Wall and collection bone bits face are formed, crumb loading face and the angle that isometrical hollow boring bit outer wall is in 15-25o, the isometrical core drill after cutting edge
Five safe keyholes are at least arranged in sequence with head from front to back, are successively decreased by preceding then safety cock pitch of holes, the axle of the first keyhole
Line-spacing arc shovel face cutting edge rear end distanceAt least1mm,Safe keyhole one end is connected through screw thread with safe keyhole.
Crumb loading face of the present invention and the angle that isometrical hollow boring bit outer wall is in 20o, make sphenotresia be formed in operating
Chip fully enter in time in isometrical hollow boring bit, it is to avoid bone bits influence puncture and intubation, prevent bone bits enter intracerebral, cause brain
Organize Accessory injury and increase postoperative infection probability.
The present invention is provided with the first safe keyhole, the second safe keyhole, the 3rd safe keyhole, the 4th safe keyhole, the 5th
Safe keyhole and the 6th safe keyhole, the first safety cock pitch-row cutting edge rear end distance is 2mm, the first safety cock pitch-row second is pacified
Full keyhole distance is 4mm, the safety cock pitch-row of the second safety cock pitch-row the 3rd from for 3.5mm, the safety of the 3rd safety cock pitch-row the 4th
Keyhole distance is 3mm, the safety cock pitch-row of the 4th safety cock pitch-row the 5th from for 2.5mm, the safety cock of the 5th safety cock pitch-row the 6th
Pitch-row is from for 2mm, to adapt to needs of performing the operation.
The present invention is provided with least three groups safe keyholes, and safety cock diameter is 2.5-3.5mm, and safety cock pair is used in operation
Pierce depth to be finely adjusted, can quantify accurate control by safety cock pierces depth, operates and loses when being avoided that to form bone hole again
By mistake, pierce too deep, cause brain tissue impairment.
Annular hand grip external diameter of the present invention is that 17.5mm, internal diameter are 12.5mm, isometrical hollow boring bit and annular hand grip
Tie point be located at annular hand grip major axis golden section point 61.8mm at, with more compound palm ergonomic characteristics, be easy to
Patient has an effect, and delays operation fatigue, improves operating efficiency.
The present invention is made of stainless steel, and low manufacture cost, technique are simple, one or many can be used after sterilization,
Beneficial effect one is can to form skull bone hole while removing bone bits, improves procedure efficiency, two be that safety cock can be avoided definitely
The operational error of gun drilling, it is ensured that operation safety, three be to quantify drill bit start secure depth, quantifies the safe progress of drill bit, improves
Surgical quality, five be to meet ergonomic characteristics, improve operating efficiency, mitigate operator fatigue, six be apparatus cost of manufacture,
Sterilization, low-maintenance, raising operating theater instruments cost performance.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Embodiment：
The invention will be further described below in conjunction with the accompanying drawings：
As shown in the figure：A kind of spade-type depthkeeping degree cone cranium hand drill safely, it is characterised in that provided with annular hand grip 1 and isometrical hollow
Drill bit 2, the perpendicular shape in rear end of isometrical hollow boring bit 2 is connected with the outside diameter wall of annular hand grip 1, the isometrical front end of hollow boring bit 2
In the arc shovel face of involute shape, arc shovel face by the isometrical front end of hollow boring bit 2 formed ellipse cutting edge, cutting edge by etc.
The outer wall of footpath hollow boring bit 2 and collection bone bits face 3 are formed, and crumb loading face 3 and the angle that the isometrical outer wall of hollow boring bit 2 is in 15-25o are cut
Cut and be at least arranged in sequence with five safe keyholes 4 on the isometrical hollow boring bit 2 after sword from front to back, between preceding then safe keyhole
Away from successively decreasing, the axis of the first keyhole is away from arc shovel face cutting edge rear end distanceAt least1mm,Safe keyhole one end is through screw thread and safety Keyhole is connected,Described crumb loading face 4 and the angle that the isometrical outer wall of hollow boring bit 2 is in 20o, make what sphenotresia was formed in operating
Chip is fully entered in isometrical hollow boring bit in time, can be made to enter isometrical sky provided with storage debris grooves 5 in isometrical hollow boring bit
Chip in heart drill bit not external leakage, it is to avoid bone bits influence puncture and intubation, prevents bone bits from entering intracerebral, causes brain tissue Accessory injury
And increase postoperative infection probability, if the angle of crumb loading face 4 and the isometrical outer wall of hollow boring bit 2 is less than 20o, influence cutting edge
Intensity, if crumb loading face 4 and the angle of the isometrical outer wall of hollow boring bit 2 are more than 20o, crumb loading effect is poor, and fine debris easily enters
Enter drilling, influence surgical effect；The present invention is provided with a safe keyhole, the respectively first safe keyhole, the second safe keyhole, the 3rd
Safe keyhole, the 4th safe keyhole, the 5th safe keyhole and the 6th safe keyhole, the first safety cock pitch-row cutting edge rear end away from
From for 2mm, first safety cock pitch-row the second safety cock pitch-row from for 4mm, the safety cock pitch-row of the second safety cock pitch-row the 3rd from for
3.5mm, the safety cock pitch-row of the 3rd safety cock pitch-row the 4th from for 3mm, the safety cock pitch-row of the 4th safety cock pitch-row the 5th from for
2.5mm, the safety cock pitch-row of the 5th safety cock pitch-row the 6th are from for 2mm, in addition, the safe keyhole that at least three groups diameters are differed,
Safety cock diameter is 2.5-3.5mm, drilling depth is adjusted by safe keyhole in operation, using safety cock to piercing
Depth is finely adjusted, and can quantify accurate control by safety cock pierces depth, operational error, brill when being avoided that to form bone hole again
Enter too deep, cause brain tissue impairment；Annular hand grip external diameter of the present invention is that 17.5mm, internal diameter are 12.5mm, isometrical hollow
The tie point of drill bit and annular hand grip is located at the golden section point 61.8mm of annular hand grip major axis, with more compound palm human body work
Cheng Xue features, are easy to patient to have an effect, and delay operation fatigue, improve operating efficiency.
Embodiment：A kind of spade-type depthkeeping degree bores safely cranium hand drill, uses material for stainless steel, including drill bit 2, drill bit 2
Front end be spade-type head end, the cross section of spade-type head end is crescent, and inclined-plane is arc, perpendicular to spade-type inclined-plane, on drill bit
The corresponding safe keyhole of safety cock is provided with, safe keyhole 4 is 2mm away from cutting edge rear end distance, and safe keyhole 5 is away from cutting edge rear end
Distance is 13mm, and safety cock pitch-row cutting edge rear end distance is 15mm, and safety cock pitch-row cutting edge rear end distance is 16.5mm, peace
Full keyhole 4 to safety cock pitch of holes is successively decreased 0.5mm, and hand drill handle 10 is annular, long 100mm, external diameter 17.5mm, internal diameter
12.5mm, drill bit and handle attachment points 11, in the golden section point of handle major axis, the present invention uses stainless steel system
Into low manufacture cost, technique are simple, one or many can be used after sterilization, and beneficial effect one is can be same in formation skull bone hole
When remove bone bits, improve procedure efficiency, two be that safety cock can definitely avoid the operational error of gun drilling, it is ensured that operation safety,
Three be to quantify drill bit start secure depth, quantifies the safe progress of drill bit, improves surgical quality, and five be to meet ergonomics spy
Levy, improve operating efficiency, mitigate operator's fatigue, six be apparatus cost of manufacture, sterilization, low-maintenance, raising operating theater instruments
Cost performance.
Claims (3)
1. a kind of spade-type depthkeeping degree bores safely cranium hand drill, it is characterised in that provided with annular hand grip and isometrical hollow boring bit, isometrical sky
The perpendicular shape in rear end of heart drill bit is connected with the outside diameter wall of annular hand grip, and isometrical hollow boring bit front end is in the arc of involute shape
Shovel face, arc shovel face by isometrical hollow boring bit front end formed ellipse cutting edge, cutting edge by isometrical hollow boring bit outer wall
Formed with collection bone bits face, collection bone bits face and the angle that isometrical hollow boring bit outer wall is in 15-25o, the isometrical core drill after cutting edge
Five safe keyholes are at least arranged in sequence with head from front to back, safety cock bore dia is 2.5-3.5mm, by preceding then safety cock
Pitch of holes is successively decreased, and the axis of the first keyhole is away from arc shovel face cutting edge rear end distance at least 1mm, and safety cock one end is through screw thread and peace
Full keyhole is connected, and provided with preventing bone bits from entering the storage debris grooves of intracerebral in isometrical hollow boring bit, makes to enter isometrical core drill
Bone in head considers not external leakage to be worth doing.
2. a kind of spade-type depthkeeping degree according to claim 1 cone cranium hand drill safely, it is characterised in that collection bone bits face with it is isometrical
Hollow boring bit outer wall is in 20o angle.
3. a kind of spade-type depthkeeping degree according to claim 1 bores safely cranium hand drill, it is characterised in that provided with the first safety cock
Hole, the second safe keyhole, the 3rd safe keyhole, the 4th safe keyhole, the 5th safe keyhole and the 6th safe keyhole, the first peace
Full keyhole is 2mm, first safety cock pitch-row the second safety cock pitch-row from for 4mm, the second safe keyhole away from cutting edge rear end distance
Away from the 3rd safety cock pitch-row from being 3.5mm, the safety cock pitch-row of the 3rd safety cock pitch-row the 4th from for 3mm, the 4th safety cock pitch-row
5th safety cock pitch-row is from being 2.5mm, the safety cock pitch-row of the 5th safety cock pitch-row the 6th from for 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987903.8A CN105380697B (en) | 2015-12-28 | 2015-12-28 | Spade-type depthkeeping degree bores safely cranium hand drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987903.8A CN105380697B (en) | 2015-12-28 | 2015-12-28 | Spade-type depthkeeping degree bores safely cranium hand drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105380697A CN105380697A (en) | 2016-03-09 |
| CN105380697B true CN105380697B (en) | 2017-10-24 |
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ID=55413895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510987903.8A Active CN105380697B (en) | 2015-12-28 | 2015-12-28 | Spade-type depthkeeping degree bores safely cranium hand drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105380697B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155646B (en) * | 2020-09-29 | 2022-03-11 | 北京市春立正达医疗器械股份有限公司 | Bone file |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500265Y (en) * | 2001-07-19 | 2002-07-17 | 李光宗 | Craniotome drill |
| CN202365851U (en) * | 2011-12-02 | 2012-08-08 | 张庆林 | Drill bit device used for minimally invasive cranial drilling device |
| CN204147086U (en) * | 2014-07-04 | 2015-02-11 | 侯鹏志 | A kind of skull drill bit with stop |
| CN205307041U (en) * | 2015-12-28 | 2016-06-15 | 何黎民 | Shovel type depthkeeping degree safety cone cranium hand drill |
-
2015
- 2015-12-28 CN CN201510987903.8A patent/CN105380697B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500265Y (en) * | 2001-07-19 | 2002-07-17 | 李光宗 | Craniotome drill |
| CN202365851U (en) * | 2011-12-02 | 2012-08-08 | 张庆林 | Drill bit device used for minimally invasive cranial drilling device |
| CN204147086U (en) * | 2014-07-04 | 2015-02-11 | 侯鹏志 | A kind of skull drill bit with stop |
| CN205307041U (en) * | 2015-12-28 | 2016-06-15 | 何黎民 | Shovel type depthkeeping degree safety cone cranium hand drill |
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| Publication number | Publication date |
|---|---|
| CN105380697A (en) | 2016-03-09 |
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| PB01 | Publication | ||
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Effective date of registration: 20190516 Address after: 264200 Six Floor 609, Block A, Haiyucheng, 3-2 Shichang Avenue, Huancui District, Weihai City, Shandong Province Patentee after: Weihai Junbo Medical Technology Co., Ltd. Address before: 264200 No. 1 Baoquan Road, Weihai City, Shandong Province Patentee before: He Limin |
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| TR01 | Transfer of patent right |