CN104783862A - Auto-stop electric craniotomy drill - Google Patents
Auto-stop electric craniotomy drill Download PDFInfo
- Publication number
- CN104783862A CN104783862A CN201510193379.7A CN201510193379A CN104783862A CN 104783862 A CN104783862 A CN 104783862A CN 201510193379 A CN201510193379 A CN 201510193379A CN 104783862 A CN104783862 A CN 104783862A
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- drill
- drill bit
- cranium
- stopping
- carbon brush
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Abstract
The invention relates to an auto-stop electric craniotomy drill and belongs to the technical field of medical equipment. The auto-stop electric craniotomy drill comprises an auto-stop electric craniotomy drill body and a foot-operated power supply protection device. A drill bit rod is arranged on the left side of the auto-stop electric craniotomy drill body, a drill bit rod hole is formed in the drill bit rod, an auto-stop controller is arranged on the upper side of the drill bit rod hole, and a skull induction chip is arranged in the auto-stop controller. A drill bit connection pipe is arranged on the left side of the drill bit rod, a drill bit replacement clamp is arranged on the left side of the drill bit connection pipe, a spiral vertical line is arranged in the drill bit replacement clamp, and a drill bit cooling device is arranged on the left side of the drill bit replacement clamp. The auto-stop electric craniotomy drill is complete in function and convenient to use. When the auto-stop electric craniotomy drill is used for craniotomy, time and labor are saved, and the auto-stop electric craniotomy drill is scientific, convenient to use, safe, efficient, complete in function and capable of reducing work difficulty of medical staff.
Description
Technical field
The invention belongs to technical field of medical instruments, being specifically related to a kind of from stopping cranium electric drill.
Background technology
Medical worker is when carrying out electric drill and opening cranium, usually direct patient's head place of being aimed at by drill bit holes, medical worker carries out out cranium automatic stop according to experience in the past, what can not ensure in operation of opening cranium process is perfectly safe, and method in the past, easily cause medical worker's high-pressure, physical fatigue, traditional electric drill is opened in cranium process, lack automatic stop function, for patient and family members thereof, its danger that cannot undergo surgery psychologically, and drill bit works long hours, temperature is too high, can damage tissues such as cerebral cortex, secondary injury can be caused to patient body, if things go on like this, considerably increase the work difficulty of medical worker.
Summary of the invention
The object of this invention is to provide a kind of when carrying out electric drill and opening cranium, time saving and energy saving, science is convenient, safe and efficient, complete function certainly stop cranium electric drill.
Technical scheme of the present invention is: certainly stop cranium electric drill, comprise from stopping cranium drill body and foot-operated apparatus for protecting power supply, be provided with drill bit shaft certainly stopping on the left of cranium drill body, drill bit shaft inside is provided with drill bit rod aperture, be provided with on the upside of drill bit rod aperture from stop controller, head induction chip is provided with from stop controller inside, drill bit adapter is provided with on the left of drill bit shaft, drill bit adapter left side is provided with bit change-over card, bit change-over card inside is provided with spiral vertical line, drill bit heat sink is provided with on the left of bit change-over card, drill bit heat sink inside is provided with water pot, water pot is provided with apopore, the fixing card of drill bit is provided with on the left of drill bit heat sink, drill bit is fixed card inside and is provided with drill bit, drill bit is provided with Flos Mume screw thread,
Electric drill connecting handle is provided with from stopping on the downside of cranium drill body, electric drill connecting handle is provided with set bolt, set bolt is provided with cross mouth screw, electric drill handle is provided with on the downside of electric drill connecting handle, be provided with on the downside of electric drill handle and hold bolt mouth, control knob is provided with on the left of electric drill handle, switch key is provided with on the downside of control knob, electric drill handle inner is provided with button touching button, button touch panel is provided with on the right side of button touching button, be provided with button on the right side of button touch panel and touch line, button touches line and is connected with start-up connector, and start-up connector inside is provided with starter gate valve;
Be provided with guidewire port from stopping on the right side of cranium drill body, guidewire port is connected with power line, and power line is connected with foot-operated apparatus for protecting power supply;
Foot-operated apparatus for protecting power supply is provided with foot-operated pressing board, foot-operated apparatus for protecting power supply inside is provided with relay, relay is provided with air chamber walls, adjusting screw(rod) is provided with on the right side of air chamber walls, piston is provided with on the upside of air chamber walls, piston is provided with rubber membrane, be provided with tower spring on the upside of air chamber walls, tower spring is provided with piston rod, is provided with lever on the left of piston rod, microswitch is provided with on the downside of lever, microswitch inside is provided with brace, is provided with iron core on the upside of piston rod, and iron core upper right side is provided with reaction spring, iron core is provided with coil, is provided with push pedal on the upside of coil;
Bracing frame is provided with on the downside of foot-operated apparatus for protecting power supply, line protector is provided with from stopping cranium drill body inside, electrodeless speed regulator is provided with on the left of line protector, electrodeless speed regulator inside is provided with stepless time adjustment valve, stepless speed regulation valve is connected with power safety, control module is provided with on the downside of stepless time adjustment valve, anti-spring carbon brush holder is provided with on the left of electrodeless speed regulator, anti-spring carbon brush holder inside is provided with anti-spring carbon brush, carbon brush connection tube is provided with on the left of anti-spring carbon brush, carbon brush connection tube is connected with carbon brush, carbon brush is provided with latch, carbon brush both sides are provided with brush, brush inside is provided with brush card, motor is provided with on the left of carbon brush,
Motor internal is provided with magnet-wire rod, magnet-wire rod is provided with copper wire clamp, copper wire clamp is connected with copper cash silk, roll tube is provided with on the left of motor, roll tube inside is provided with swingle, swingle is connected with fin link, fin is provided with on the left of fin link, be provided with top-type on the left of fin and impact module, top-type impacts on the downside of module and is provided with driven rod base, driven rod base is provided with driven rod, driven rod is connected with rotary steering bar, rotary steering bar inside is provided with cure process gear, anti-shake frame is provided with on the upside of rotary steering bar, bearing is provided with on the left of rotary steering bar, Bearing inner is provided with rolling pearl, rotary drilling head rod is provided with on the left of bearing.
Described foot-operated apparatus for protecting power supply is provided with protection against electric shock silk.
Described set bolt is provided with rush-resisting material.
Rubber seal is provided with in described guidewire port.
Described foot-operated pressing board is provided with friction pad.
Rubber blanket is provided with on the downside of support frame as described above.
Described carbon brush is provided with fender bracket.
Described motor is provided with shock mounting.
The invention has the beneficial effects as follows: multiple functional, easy to use, when carrying out electric drill and opening cranium, time saving and energy saving, science is convenient, safe and efficient, complete function, alleviates the work difficulty of medical worker.
Accompanying drawing explanation
Accompanying drawing 1 is overall structure schematic diagram of the present invention.
Accompanying drawing 2 rides apparatus for protecting power supply internal structure schematic diagram for the present invention.
Accompanying drawing 3 is internal structure of motor schematic diagram of the present invention.
In figure:
1: certainly stop cranium drill body, 2: foot-operated apparatus for protecting power supply, 3: drill bit shaft, 4: drill bit rod aperture, 5: from stop controller, 6: head induction chip, 7: drill bit is taken over, 8: bit change-over card, 9: spiral vertical line, 10: drill bit heat sink, 11: water pot, 12: apopore, 13: the fixing card of drill bit, 14: drill bit, 15: Flos Mume screw thread, 16: electric drill connecting handle, 17: set bolt, 18: cross mouth screw, 19: electric drill hands handle, 20: hold bolt mouth, 21: control knob, 22: switch key, 23: button touching button, 24: button touch panel, 25: button touches line, 26: start-up connector, 27: starter gate valve, 28: guidewire port, 29: power line, 30: foot-operated pressing board, 31: relay, 32: air chamber walls, 33: adjusting screw(rod), 34: piston, 35: rubber membrane, 36: tower spring, 37: piston rod, 38: lever, 39: microswitch, 40: brace, 41: ferrum core, 42: reaction spring, 43: coil, 44: push pedal, 45: bracing frame, 46: line protector, 47: electrodeless speed regulator, 48: stepless time adjustment valve, 49: power safety, 50: control module, 51: anti-spring carbon brush holder, 52: anti-spring carbon brush, 53: carbon brush connection tube, 54: carbon brush, 55: latch, 56: brush, 57: brush card, 58: motor, 59: magnet-wire rod, 60: copper wire clamp, 61: copper cash silk, 62: roll tube, 63: swingle, 64: fin link, 65: fin, 66: top-type impacts module, 67: driven rod base, 68: driven rod, 69: rotary steering bar, 70: cure process gear, 71: anti-shake frame, 72: bearing, 73: rolling pearl, 74: rotary drilling head rod, 75: protection against electric shock silk, 76: rush-resisting material, 77: rubber seal, 78: friction pad, 79: rubber blanket, 80: fender bracket, 81: shock mounting.
Detailed description of the invention
With reference to the accompanying drawings, be described in detail from stopping cranium electric drill of the present invention.
As shown in Figure 1, certainly cranium electric drill of stopping of the present invention comprises from stopping cranium drill body 1 and foot-operated apparatus for protecting power supply 2, be provided with drill bit shaft 3 certainly stopping on the left of cranium drill body 1, drill bit shaft 3 inside is provided with drill bit rod aperture 4, be provided with on the upside of drill bit rod aperture 4 from stop controller 5, head induction chip 6 is provided with from stop controller 5 inside, drill bit adapter 7 is provided with on the left of drill bit shaft 3, bit change-over card 8 is provided with on the left of drill bit adapter 7, bit change-over card 8 inside is provided with spiral vertical line 9, drill bit heat sink 10 is provided with on the left of bit change-over card 8, drill bit heat sink 10 inside is provided with water pot 11, water pot 11 is provided with apopore 12, be provided with drill bit on the left of drill bit heat sink 10 and fix card 13, drill bit is fixed card 13 inside and is provided with drill bit 14, drill bit 14 is provided with Flos Mume screw thread 15.
As shown in Figure 1, electric drill connecting handle 16 is provided with from stopping on the downside of cranium drill body 1, electric drill connecting handle 16 is provided with set bolt 17, set bolt 17 is provided with cross mouth screw 18, electric drill handle 19 is provided with on the downside of electric drill connecting handle 16, be provided with on the downside of electric drill handle 19 and hold bolt mouth 20, control knob 21 is provided with on the left of electric drill handle 19, switch key 22 is provided with on the downside of control knob 21, electric drill handle 19 inside is provided with button touching button 23, button touch panel 24 is provided with on the right side of button touching button 23, be provided with button on the right side of button touch panel 24 and touch line 25, button touches line 25 and is connected with start-up connector 26, start-up connector 26 inside is provided with starter gate valve 27.
As shown in Figure 1, certainly stop on the right side of cranium drill body 1 and be provided with guidewire port 28, guidewire port 28 is connected with power line 29, and power line 29 is connected with foot-operated apparatus for protecting power supply 2.
As shown in Figure 2, foot-operated apparatus for protecting power supply 2 is provided with foot-operated pressing board 30.Foot-operated apparatus for protecting power supply 2 inside is provided with relay 31, relay 31 is provided with air chamber walls 32, adjusting screw(rod) 33 is provided with on the right side of air chamber walls 32, piston 34 is provided with on the upside of air chamber walls 32, piston 34 is provided with rubber membrane 35, tower spring 36 is provided with on the upside of air chamber walls 32, tower spring 36 is provided with piston rod 37, lever 38 is provided with on the left of piston rod 37, microswitch 39 is provided with on the downside of lever 38, microswitch 39 inside is provided with brace 40, iron core 41 is provided with on the upside of piston rod 37, iron core 41 upper right side is provided with reaction spring 42, iron core 41 is provided with coil 43, push pedal 44 is provided with on the upside of coil 43.
As shown in Figure 1, bracing frame 45 is provided with on the downside of foot-operated apparatus for protecting power supply 2.
As shown in Figure 1, line protector 46 is provided with from stopping cranium drill body 1 inside, electrodeless speed regulator 47 is provided with on the left of line protector 46, electrodeless speed regulator 47 inside is provided with stepless time adjustment valve 48, stepless speed regulation valve 48 is connected with power safety 49, control module 50 is provided with on the downside of stepless time adjustment valve 48, anti-spring carbon brush holder 51 is provided with on the left of electrodeless speed regulator 47, anti-spring carbon brush holder 51 inside is provided with anti-spring carbon brush 52, carbon brush connection tube 53 is provided with on the left of anti-spring carbon brush 52, carbon brush connection tube 53 is connected with carbon brush 54, carbon brush 54 is provided with latch 55, carbon brush 54 both sides are provided with brush 56, brush 56 inside is provided with brush card 57, motor 58 is provided with on the left of carbon brush 54.
As Figure 1-3, motor 58 inside is provided with magnet-wire rod 59, and magnet-wire rod 59 is provided with copper wire clamp 60, and copper wire clamp 60 is connected with copper cash silk 61.Roll tube 62 is provided with on the left of motor 58, roll tube 62 inside is provided with swingle 63, swingle 63 is connected with fin link 64, fin 65 is provided with on the left of fin link 64, be provided with top-type on the left of fin 65 and impact module 66, top-type impacts on the downside of module 66 and is provided with driven rod base 67, driven rod base 67 is provided with driven rod 68, driven rod 68 is connected with rotary steering bar 69, cure process gear 70 is provided with on the left of rotary steering bar 69, anti-shake frame 71 is provided with on the upside of rotary steering bar 69, bearing 72 is provided with on the left of rotary steering bar 69, bearing 72 inside is provided with rolling pearl 73, rotary drilling head rod 74 is provided with on the left of bearing 72.
Medical worker carry out electric drill open cranium time, certainly the power supply stopping cranium drill body 1 is connected, foot-operated apparatus for protecting power supply 2 is placed on the ground, medical worker will ride on foot-operated apparatus for protecting power supply 2, protection is from the safety stopping the use procedure of cranium electric drill, medical worker holds electric drill handle 19, aim at patient's head place, certainly the drill bit 14 stopping cranium electric drill is placed on affected part, from the motor 58 stopped in cranium drill body 1 inside, speed governing is carried out according to electrodeless speed regulator 47, avoid because of the pause and transition in rhythm or melody sense brought of shifting gears, by anti-spring carbon brush 52, rotate rotary drilling head rod 74, drive the drill bit 14 of drill bit shaft 3, now by the water pot 11 in drill bit heat sink 10, by water droplet on drill bit 14, reach the effect of cooling, drill bit 14 bores dynamic head, according to the head induction chip 6 in stop controller 5, analyze and whether continue to bore dynamic from stopping cranium electric drill, and then reach the effect of automatic stop, medical worker is by pinning the control knob 21 in handle, carry out out cranium.
Described foot-operated apparatus for protecting power supply 2 is provided with protection against electric shock silk 75.Such setting, can improve equipment safety.
Described cross mouth screw 18 is provided with rush-resisting material 76.Such setting, can strengthening the service life from stopping cranium drill body 1, avoiding cannot dismantling electric drill handle 19 because getting rusty.
Rubber seal 77 is provided with in described guidewire port 28.Such setting, can increase the safety of guidewire port 28, prevents from getting an electric shock.
Described foot-operated pressing board 30 is provided with friction pad 78.Such setting, can increase the frictional property that medical worker uses foot-operated apparatus for protecting power supply 2, is convenient to medical worker and uses.
Rubber blanket 79 is provided with on the downside of support frame as described above 45.Such setting, can strengthen the stability of foot-operated apparatus for protecting power supply 2, prevents foot-operated apparatus for protecting power supply 2 from rocking.
Described carbon brush 54 is provided with fender bracket 80.Such setting, can prevent the high-speed rotation because of motor 58, brings the impact of rocking on carbon brush 54, improves device service efficiency.
Described motor 58 is provided with shock mounting 81.Such setting, can make to maintain the original state during motor 58 high-speed rotation.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (8)
1., from stopping cranium electric drill, comprising from stopping cranium drill body (1) and foot-operated apparatus for protecting power supply (2), it is characterized in that:
Certainly stop cranium drill body (1) left side be provided with drill bit shaft (3), drill bit shaft (3) inside is provided with drill bit rod aperture (4), drill bit rod aperture (4) upside is provided with from stop controller (5), head induction chip (6) is provided with from stop controller (5) inside, drill bit shaft (3) left side is provided with drill bit adapter (7), drill bit adapter (7) left side is provided with bit change-over card (8), bit change-over card (8) inside is provided with spiral vertical line (9), bit change-over card (8) left side is provided with drill bit heat sink (10), drill bit heat sink (10) inside is provided with water pot (11), water pot (11) is provided with apopore (12), drill bit heat sink (10) left side is provided with the fixing card (13) of drill bit, the fixing card of drill bit (13) inside is provided with drill bit (14), drill bit (14) is provided with Flos Mume screw thread (15),
Electric drill connecting handle (16) is provided with from stopping cranium drill body (1) downside, electric drill connecting handle (16) is provided with set bolt (17), set bolt (17) is provided with cross mouth screw (18), electric drill connecting handle (16) downside is provided with electric drill handle (19), electric drill handle (19) downside is provided with holds bolt mouth (20), electric drill handle (19) left side is provided with control knob (21), control knob (21) downside is provided with switch key (22), electric drill handle (19) inside is provided with button touching button (23), button touching button (23) right side is provided with button touch panel (24), button touch panel (24) right side is provided with button and touches line (25), button touches line (25) and is connected with start-up connector (26), start-up connector (26) inside is provided with starter gate valve (27),
Be provided with guidewire port (28) from stopping cranium drill body (1) right side, guidewire port (28) is connected with power line (29), and power line (29) is connected with foot-operated apparatus for protecting power supply (2);
Foot-operated apparatus for protecting power supply (2) is provided with foot-operated pressing board (30), foot-operated apparatus for protecting power supply (2) inside is provided with relay (31), relay (31) is provided with air chamber walls (32), air chamber walls (32) right side is provided with adjusting screw(rod) (33), air chamber walls (32) upside is provided with piston (34), piston (34) is provided with rubber membrane (35), air chamber walls (32) upside is provided with tower spring (36), tower spring (36) is provided with piston rod (37), piston rod (37) left side is provided with lever (38), lever (38) downside is provided with microswitch (39), microswitch (39) inside is provided with brace (40), piston rod (37) upside is provided with iron core (41), iron core (41) upper right side is provided with reaction spring (42), iron core (41) is provided with coil (43), coil (43) upside is provided with push pedal (44),
Foot-operated apparatus for protecting power supply (2) downside is provided with bracing frame (45), line protector (46) is provided with from stopping cranium drill body (1) inside, line protector (46) left side is provided with electrodeless speed regulator (47), electrodeless speed regulator (47) inside is provided with stepless time adjustment valve (48), stepless speed regulation valve (48) is connected with power safety (49), stepless time adjustment valve (48) downside is provided with control module (50), electrodeless speed regulator (47) left side is provided with anti-spring carbon brush holder (51), anti-spring carbon brush holder (51) inside is provided with anti-spring carbon brush (52), anti-spring carbon brush (52) left side is provided with carbon brush connection tube (53), carbon brush connection tube (53) is connected with carbon brush (54), carbon brush (54) is provided with latch (55), carbon brush (54) both sides are provided with brush (56), brush (56) inside is provided with brush card (57), carbon brush (54) left side is provided with motor (58),
Motor (58) inside is provided with magnet-wire rod (59), magnet-wire rod (59) is provided with copper wire clamp (60), copper wire clamp (60) is connected with copper cash silk (61), motor (58) left side is provided with roll tube (62), roll tube (62) inside is provided with swingle (63), swingle (63) is connected with fin link (64), fin link (64) left side is provided with fin (65), fin (65) left side is provided with top-type and impacts module (66), top-type impacts module (66) downside and is provided with driven rod base (67), driven rod base (67) is provided with driven rod (68), driven rod (68) is connected with rotary steering bar (69), rotary steering bar (69) left side is provided with cure process gear (70), rotary steering bar (69) upside is provided with anti-shake frame (71), rotary steering bar (69) left side is provided with bearing (72), bearing (72) inside is provided with rolling pearl (73), bearing (72) left side is provided with rotary drilling head rod (74).
2. according to claim 1 from stopping cranium electric drill, it is characterized in that: described foot-operated apparatus for protecting power supply (2) is provided with protection against electric shock silk (75).
3. according to claim 1 from stopping cranium electric drill, it is characterized in that: described cross mouth screw (18) is provided with rush-resisting material (76).
4. according to claim 1 from stopping cranium electric drill, it is characterized in that: in described guidewire port (28), be provided with rubber seal (77).
5. according to claim 1 from stopping cranium electric drill, it is characterized in that: described foot-operated pressing board (30) is provided with friction pad (78).
6. according to claim 1 from stopping cranium electric drill, it is characterized in that: support frame as described above (45) downside is provided with rubber blanket (79).
7. according to claim 1 from stopping cranium electric drill, it is characterized in that: described carbon brush (54) is provided with fender bracket (80).
8. according to any one of claim 1-7, certainly stop cranium electric drill, it is characterized in that: described motor (58) is provided with shock mounting (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193379.7A CN104783862B (en) | 2015-04-14 | 2015-04-14 | Auto-stop electric craniotomy drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193379.7A CN104783862B (en) | 2015-04-14 | 2015-04-14 | Auto-stop electric craniotomy drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104783862A true CN104783862A (en) | 2015-07-22 |
| CN104783862B CN104783862B (en) | 2017-04-12 |
Family
ID=53549381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510193379.7A Active CN104783862B (en) | 2015-04-14 | 2015-04-14 | Auto-stop electric craniotomy drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104783862B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725707A (en) * | 2016-12-28 | 2017-05-31 | 芜湖锐进医疗设备有限公司 | Sawed using the Medical electric of brushless electric machine and bored |
| CN107468303A (en) * | 2017-08-13 | 2017-12-15 | 王永英 | The intelligent automatic stop electric drill device of Orthopeadic Surgery |
| 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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| CN2132491Y (en) * | 1992-08-21 | 1993-05-12 | 魏学忠 | Auto-stop cranium bit |
| US20060020258A1 (en) * | 2004-07-20 | 2006-01-26 | Medtronic, Inc. | Surgical apparatus with a manually actuatable assembly and a method of operating same |
| CN101543967A (en) * | 2008-03-28 | 2009-09-30 | 德昌电机(深圳)有限公司 | Electric drill with cooling system |
| CN201384531Y (en) * | 2009-04-21 | 2010-01-20 | 马秋野 | Intelligent bone drill |
| CN102475563A (en) * | 2010-11-26 | 2012-05-30 | 西安三才电子有限公司 | Medical micropower system trephine |
| CN203693685U (en) * | 2014-01-09 | 2014-07-09 | 杨宗德 | High-speed automatic stop vertebral plate drill |
| EP2810605A1 (en) * | 2013-06-06 | 2014-12-10 | Aesculap Ag | Surgical instrument |
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|---|---|---|---|---|
| CN2132491Y (en) * | 1992-08-21 | 1993-05-12 | 魏学忠 | Auto-stop cranium bit |
| US20060020258A1 (en) * | 2004-07-20 | 2006-01-26 | Medtronic, Inc. | Surgical apparatus with a manually actuatable assembly and a method of operating same |
| CN101543967A (en) * | 2008-03-28 | 2009-09-30 | 德昌电机(深圳)有限公司 | Electric drill with cooling system |
| CN201384531Y (en) * | 2009-04-21 | 2010-01-20 | 马秋野 | Intelligent bone drill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725707A (en) * | 2016-12-28 | 2017-05-31 | 芜湖锐进医疗设备有限公司 | Sawed using the Medical electric of brushless electric machine and bored |
| CN107468303A (en) * | 2017-08-13 | 2017-12-15 | 王永英 | The intelligent automatic stop electric drill device of Orthopeadic Surgery |
| CN113749726A (en) * | 2021-09-06 | 2021-12-07 | 徐金巧 | Drill-through automatic-stop skull drill bit and skull drill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104783862B (en) | 2017-04-12 |
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