CN201414823Y - Handle-type automatic skull drilling instrument - Google Patents
Handle-type automatic skull drilling instrument Download PDFInfo
- Publication number
- CN201414823Y CN201414823Y CN2009200937165U CN200920093716U CN201414823Y CN 201414823 Y CN201414823 Y CN 201414823Y CN 2009200937165 U CN2009200937165 U CN 2009200937165U CN 200920093716 U CN200920093716 U CN 200920093716U CN 201414823 Y CN201414823 Y CN 201414823Y
- Authority
- CN
- China
- Prior art keywords
- drill bit
- inner panel
- outside plate
- auger spindle
- bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a handle-type automatic skull drilling instrument which comprises a housing, a skull drill bit, an electric motor and a power supply arranged in the housing. A grip part provided with a handle is arranged in the middle of the housing; the skull drill bit is formed by an inner plate drill bit and an outer plate drill bit sleeved on the inner plate drill bit; gear-shapeddrill bit teeth can be meshed are respectively formed at one end of the inner plate drill bit and at one end of the outer plate drill bit, and the other end of the inner plate drill bit is connectedwith an inner plate drill spindle; the other end of the inner plate drill spindle is provided with an inner plate drill spindle connecting shaft connected with the output shaft of the electric motor;the inner plate drill connecting shaft and the transmission shaft are connected; the transmission shaft is connected with the outer plate drill spindle through the drive gear and the outer plate drillspindle gear; springs are arranged on the neck of the inner plate drill bit and the inner plate drill spindle; and one end of the inner plate drill spindle connecting shaft is provided with a connecting wire connected with a contact switch of the power supply. The utility model has the advantages of high safety factor, fast operation, convenient use and the like.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly shank type automatic cranial drill hole instrument.
Background technology
At present, the sphenotresia instrument kind of using when doing cerebral surgery operation is more, but mostly is single drill bit greatly, as long as open switch during use, the skull drill bit just begins to rotate.Therefore, when pressing, owing to be difficult to hold employed strength with hand push, make firmly uneven, often cause drill bit break suddenly into, threaten patient's safety, when especially illness such as traumatic fracture of skull being taked to perform the operation, this drill bit breaks into the danger of cerebral tissue bigger.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of and can arbitrarily grasp the sphenotresia dynamics, can stop automatically after the boring, and the safety coefficient height, swift to operate, easily shank type automatic cranial drill hole instrument.
To achieve these goals, this utility model has been taked following technical scheme:
This utility model comprises that afterbody has the shell of vent to shank type automatic cranial drill hole instrument, the motor and the power supply that are arranged at the front end inside of described shell and protrude in the skull drill bit of shell front end and be arranged at described shell tail end inside, the middle part of described shell is provided with the hand grip portion that has handrail.Described skull drill bit is made of inner panel drill bit and the outside plate drill bit that is set on the described inner panel drill bit, but an end of described inner panel drill bit and outside plate drill bit is respectively equipped with pitch wheel shape bit teeth, and the described other end that is arranged with the inner panel drill bit of outside plate drill bit is connected with the inner panel auger spindle that is arranged with the outside plate auger spindle; The other end of described inner panel auger spindle is provided with inner panel auger spindle connecting axle, and described inner panel auger spindle connecting axle is connected with the output shaft of motor by the motor driving gear; The twist drill connecting axle is connected with transmission axle with driven gear by the motor driving gear in described, and described transmission axle is connected with the outside plate auger spindle with the outside plate auger spindle gear that is engaged with by driven wheel; Be arranged with spring on the cervical region of described inner panel drill bit and the inner panel auger spindle; One end of described inner panel auger spindle connecting axle is provided with the contact switch that is connected with power supply by connecting line.
Bit teeth outside on the described inner panel drill bit is oblique type gear-like; The inner face of the bit teeth on the described outside plate drill bit is the funnel type gear-like, is meshed with bit teeth on the inner panel drill bit.
Described be arranged with the inner panel drill bit of outside plate drill bit and be arranged with between the inner panel auger spindle of outside plate auger spindle interconnect by projection that is arranged on inner panel drill bit one end both sides and the L type groove that is arranged on outside plate drill bit one end both sides.
The afterbody of described shell is provided with the switch that is connected with power supply.
The described handrail that is arranged on the shell middle part is a hinge-type, can fold.
This utility model has following beneficial effect to shank type automatic cranial drill hole instrument:
1, this utility model is made of the skull drill bit of shank type automatic cranial drill hole instrument interior twist drill and outer twist drill, be respectively equipped with oblique type gear and funnel type gear on inner panel drill bit and the outside plate drill bit, therefore, two gears are meshing with each other and switch on automatically when pressurization, actuating motor, begin boring, outage automatically immediately again when the inner panel drill bit is outstanding, the gear that breaks away from simultaneously on the outside plate drill bit stops operating.Like this, can arbitrarily grasp dynamics, handling safety is reliable.And, when performing an operation continuously, can be at any time bit change more, very easy to use.
2, this utility model is provided with the hinge-type handrail to shank type automatic cranial drill hole instrument, can fold when not required, open it during use, and a hand-held firmly handrail, the hand-held firmly handle of another pressurizes, and guarantees that the boring dynamics is stable.
Description of drawings
Fig. 1 is that this utility model is the structural representation of shank type automatic cranial drill hole instrument.
The specific embodiment
As shown in Figure 1, this utility model comprises that afterbody has the shell 1 of vent 24 to shank type automatic cranial drill hole instrument, the motor 23 and the power supply 2 that are arranged at the front end inside of described shell 1 and protrude in the skull drill bit of shell 1 front end and be arranged at described shell 1 tail end inside.The middle part of described shell 1 is provided with the hand grip portion 6 that has hinge-type handrail 25, and the afterbody of shell 1 is provided with the switch 3 that is connected with power supply 2.Described skull drill bit is made of inner panel drill bit 16 and the outside plate drill bit 12 that is set on the described inner panel drill bit 16, but an end of described inner panel drill bit 16 and outside plate drill bit 12 is respectively equipped with pitch wheel shape bit teeth 14,15.Bit teeth 14 outsides on the described inner panel drill bit 16 are oblique type gear-like, and the inner face of the bit teeth 15 on the described outside plate drill bit 12 is the funnel type gear-like, are meshed with bit teeth 14 on the inner panel drill bit 16.
The described other end that is arranged with the inner panel drill bit 16 of outside plate drill bit 12 is connected with the inner panel auger spindle 10 that is arranged with outside plate auger spindle 8.Interconnect by projection 17 that is arranged on inner panel drill bit 16 1 end both sides and the L type groove 11 that is arranged on outside plate drill bit 12 1 end both sides between described skull drill bit that constitutes by outside plate drill bit 12 and inner panel drill bit 16 and the auger spindle that constitutes by outside plate auger spindle 8 and inner panel auger spindle 10.
The other end of described inner panel auger spindle 10 is provided with inner panel auger spindle connecting axle 21, and described inner panel auger spindle connecting axle 21 is connected with the output shaft of motor 23 by motor driving gear 5; Twist drill connecting axle 21 is connected with transmission axle 20 with driven gear 22 by motor driving gear 5 in described, and described transmission axle 20 is connected with outside plate auger spindle (8) with the outside plate auger spindle gear (9) that is engaged with by driven wheel 18; Be arranged with spring 13,19 on the cervical region of described inner panel drill bit (16) and the inner panel auger spindle 10; One end of described inner panel auger spindle connecting axle 21 is provided with the contact switch 7 that is connected with power supply 2 by connecting line 4.
Operation principle of the present utility model is:
When this utility model was in the leisure state to shank type automatic cranial drill hole instrument, bit teeth 14 on the inner panel drill bit 16 and the bit teeth 15 on the outside plate drill bit 12 were in released state.When using this utility model, at first the bit teeth of inner panel drill bit is aimed at the position of desire boring, then pressurization shank type automatic cranial drill hole instrument.At this moment, inner panel drill bit 16 is compressed into backward, bit teeth 14 on the inner panel drill bit 16 and the bit teeth 15 on the outside plate drill bit 12 are meshing with each other, inner panel drill bit 16 is connected with inner panel auger spindle 10 with outside plate auger spindle 8 with groove 11 by protruding 17 with outside plate drill bit 12, thereby promoting inner panel rotating shaft 10 contacts with electric shock switch 7 on the inner panel auger spindle connecting axle 21, automatically energising, and actuating motor 23.Motor 23 drives by driving gear 5 and driven gear 22 and drives transmission axle 20 rotations, transmission axle 20 drives outside plate auger spindle 8 and 10 rotations of inner panel auger spindle by driven wheel 18 and the outside plate auger spindle gear 9 that is arranged on the transmission axle 20, and drives inner panel drill bit 16 and 12 rotations of outside plate drill bit.In addition, also can be by being arranged on and off switch 3 actuating motors 23 on the shell 1.
When quitting work, remove internal twist drill head 16 applied pressures, the bit teeth 14 on the inner panel drill bit 16 breaks away from the bit teeth 15 on the outside plate drill bit 12 under the effect of spring 13,19, stop operating, and returns to initial state.
Claims (5)
1, a kind of shank type automatic cranial drill hole instrument, comprise that afterbody has the shell of vent (24) (1), be arranged at the front end inside of described shell (1), and the motor (23) and the power supply (2) that protrude in the skull drill bit of shell (1) front end and be arranged at described shell (1) tail end inside, the middle part of described shell (1) is provided with the hand grip portion (6) that has handrail (25), it is characterized in that: described skull drill bit is made of inner panel drill bit (16) and the outside plate drill bit (12) that is set on the described inner panel drill bit (16), described inner panel drill bit (16) and outside plate drill bit (12) but an end be respectively equipped with pitch wheel shape bit teeth (14,15), the described other end that is arranged with the inner panel drill bit (16) of outside plate drill bit (12) is connected with the inner panel auger spindle (10) that is arranged with outside plate auger spindle (8); The other end of described inner panel auger spindle (10) is provided with inner panel auger spindle connecting axle (21), and described inner panel auger spindle connecting axle (21) is connected with the output shaft of motor (23) by motor driving gear (5); Twist drill connecting axle (21) is connected with transmission axle (20) with driven gear (22) by motor driving gear (5) in described, and described transmission axle (20) is connected with outside plate auger spindle (8) with the outside plate auger spindle gear (9) that is engaged with by driven wheel (18); Be arranged with spring (13,19) on the cervical region of described inner panel drill bit (16) and the inner panel auger spindle (10); One end of described inner panel auger spindle connecting axle (21) is provided with the contact switch (7) that is connected with power supply (2) by connecting line (4).
2, according to claim 1 shank type automatic cranial drill hole instrument, it is characterized in that: bit teeth (14) outside on the described inner panel drill bit (16) is oblique type gear-like; The inner face of the bit teeth (15) on the described outside plate drill bit (12) is the funnel type gear-like, is meshed with bit teeth (14) on the inner panel drill bit (16).
3, according to claim 1 shank type automatic cranial drill hole instrument, it is characterized in that: described be arranged with the inner panel drill bit (16) of outside plate drill bit (12) and be arranged with between the inner panel auger spindle (10) of outside plate auger spindle (8) interconnect by projection (17) that is arranged on inner panel drill bit (16) one end both sides and the L type groove (11) that is arranged on outside plate drill bit (12) one end both sides.
4, according to claim 1 shank type automatic cranial drill hole instrument, it is characterized in that: the afterbody of described shell (1) is provided with the switch (3) that is connected with power supply (2).
5, according to claim 1 shank type automatic cranial drill hole instrument, it is characterized in that: the described handrail (25) that is arranged on shell (1) middle part is a hinge-type, can fold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200937165U CN201414823Y (en) | 2009-05-26 | 2009-05-26 | Handle-type automatic skull drilling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200937165U CN201414823Y (en) | 2009-05-26 | 2009-05-26 | Handle-type automatic skull drilling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201414823Y true CN201414823Y (en) | 2010-03-03 |
Family
ID=41791233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200937165U Expired - Fee Related CN201414823Y (en) | 2009-05-26 | 2009-05-26 | Handle-type automatic skull drilling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201414823Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102217967A (en) * | 2011-05-30 | 2011-10-19 | 陈建庭 | Percussion drill |
| CN102335021A (en) * | 2010-07-15 | 2012-02-01 | 北京蒙太因医疗器械有限公司 | Medical orthopaedic slitting device |
| CN103750879A (en) * | 2013-11-28 | 2014-04-30 | 张秀华 | Skull drilling device for use in neurosurgery operation |
| CN113749726A (en) * | 2021-09-06 | 2021-12-07 | 徐金巧 | Drill-through automatic-stop skull drill bit and skull drill |
-
2009
- 2009-05-26 CN CN2009200937165U patent/CN201414823Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335021A (en) * | 2010-07-15 | 2012-02-01 | 北京蒙太因医疗器械有限公司 | Medical orthopaedic slitting device |
| CN102335021B (en) * | 2010-07-15 | 2013-06-19 | 北京蒙太因医疗器械有限公司 | Medical orthopaedic slitting device |
| CN102217967A (en) * | 2011-05-30 | 2011-10-19 | 陈建庭 | Percussion drill |
| CN102217967B (en) * | 2011-05-30 | 2012-12-26 | 陈建庭 | Percussion drill |
| CN103750879A (en) * | 2013-11-28 | 2014-04-30 | 张秀华 | Skull drilling device for use in neurosurgery operation |
| CN103750879B (en) * | 2013-11-28 | 2015-09-02 | 张秀华 | A kind of brill cranium device of neurosurgery |
| CN113749726A (en) * | 2021-09-06 | 2021-12-07 | 徐金巧 | Drill-through automatic-stop skull drill bit and skull drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20120526 |