CN109700500A - A kind of automatic stop type cranial drill - Google Patents
A kind of automatic stop type cranial drill Download PDFInfo
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- CN109700500A CN109700500A CN201910110296.5A CN201910110296A CN109700500A CN 109700500 A CN109700500 A CN 109700500A CN 201910110296 A CN201910110296 A CN 201910110296A CN 109700500 A CN109700500 A CN 109700500A
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- shell
- air bag
- driven disc
- top plate
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Abstract
This application discloses a kind of automatic stop type cranial drills of cerebral surgery operation equipment technology field, including shell, nut and top plate, nut is fixed by the connecting rod the inner wall in shell, it is equipped in the shell of shell and inhales powder channel, the inner wall of shell is fixed with piston and driven disc, support rod is equipped in shell, piston rod in piston is fixed on support rod, piston is connected to powder channel is inhaled, support rod is fixed with motor, and the output shaft of motor is connect with nut thread, and output shaft is fixed with rotating disc, it is equipped with groove in rotating disc, the first air bag is equipped between groove and top plate；Top plate and engagement, the bottom of top plate are equipped with mandril, and mandril is equipped with card slot；The inner thread of shell is connected with driven disc, and sleeve is fixed on driven disc, the driven pan bottom of fixture block is equipped in sleeve and is equipped with the second air bag, the second air bag is connected to the first air bag, and driven pan bottom is equipped with drill bit.This programme solves the problems, such as that existing electric drill is unable to automatic stop and bone meal is flown upward everywhere.
Description
Technical field
The present invention relates to cerebral surgery operation equipment technology fields, and in particular to a kind of automatic stop type cranial drill.
Background technique
Drill bit is usually directly aligned at patient's head and drills when progress electric drill opens cranium by medical worker, medical matters people
Member carries out out cranium automatic stop according to previous experience, it cannot be guaranteed that suitable position is drilled into during operation of opening cranium, and previous side
Method, easily causes medical worker's high-pressure, and physical fatigue during traditional electric drill opens cranium, lacks automatic stop function, and drill bit
At work, the bone meal generated in cutting process can not only be flown upward everywhere, while drill bit works may lead for a long time
It causes temperature of diamond bit high, the tissues such as cerebral cortex can be damaged, secondary injury can be caused to patient body, if things go on like this, greatly
The work difficulty of medical worker is increased greatly.
Summary of the invention
The invention is intended to provide a kind of automatic stop type cranial drill, cannot be automatically stopped after drilling skull with solving existing electric drill
Rotation and electric drill the problem of bone meal can be flown upward everywhere during brill holds skull.
In order to solve the above technical problem, the present invention provides following technical solutions: a kind of automatic stop type cranial drill, including outer
Shell, nut and top plate, the nut are fixed by the connecting rod on the inner wall of shell, and it is logical that suction powder is equipped in the shell of the shell
Road is also fixedly connected on the inner wall of the shell and is vertically arranged and the adjustment barrel of axis direction perforation, the top of adjustment barrel with
The top connection in powder channel is inhaled, slidably connects piston in adjustment barrel；The bottom of piston is fixedly connected with piston rod, on piston rod
It is fixedly connected with support rod, the bottom of the support rod is fixed with motor, and the output shaft of the motor is connect with nut thread, institute
It states output shaft and is fixed with rotating disc far from one end of motor, the lower surface of the rotating disc is equipped with groove, the inner wall of the groove
It is furnished with teeth, the top plate and engagement with the equal ring in periphery of top plate, first is equipped between the top and top plate of the groove
Air bag；The bottom of the top plate is equipped with mandril, and the mandril is equipped with card slot；The inner wall of the shell is also threaded with driven
Disk is fixed with sleeve on the driven disc, and sleeve is slidably socketed on mandril, and the inner wall level of sleeve is equipped with resettlement groove, placement
The first spring is fixedly connected in slot, the other end of the first spring is fixedly connected with the fixture block that outer rim is circular arc, and fixture block is connected to
In the card slot, the bottom of the driven disc is equipped with the second air bag for filling high pressure gas, and the outlet side of the second air bag is equipped with
Switch, the driven disc is interior to be equipped with air passage, and the both ends of air passage are respectively communicated with the first air bag and the second air bag；The driven disc
Bottom be fixedly connected with hollow drill bit, be equipped with contact bar in the drill bit, the contact bar run through driven disc and with it is driven
Disk is slidably connected, and is equipped with second spring between the top and driven disc of the contact bar, the second spring is set in contact bar
On, the bottom end of the contact bar is equipped with sucker, and the contact bar is equipped with the through-hole that is laterally arranged, and the both ends of the through-hole are by institute
It states air passage to be truncated and be connected to, the exit for inhaling powder channel is towards the head of drill bit.
The working principle of the invention: when using this programme, the switch of the second air bag is in closed state, contacts and laterally sets in bar
Second air bag and the first air bag are connected to by the through-hole set, and drop-down contact bar resists contact bar at the skull that will be drilled, so that
Skull is sucked sucker on contact bar, and the second spring contacted between bar top and driven disc at this time is compressed, and starts motor,
The switch of the second air bag is opened simultaneously, at this time since contact bar has been moved downwardly, so through-hole is no longer with second
Air bag and the connection of the first air bag；
Output shaft motor during rotation is downward just will drive support rod and move downward, and then transport downwards with piston
It is dynamic, it is connected to due to inhaling powder channel with adjustment barrel, thus negative pressure can be formed in the exit for inhaling powder channel, in this way in boring procedure
In bone meal will enter inhale powder channel in, it is therefore prevented that environmental pollution caused by bone meal is flown upward everywhere in surgical procedure, simultaneously
Strengthen the circulation of air, moreover it is possible to cool down to drill bit, drill bit is avoided to cause time injury,
Output shaft drives rotating disc also to move downward during rotation is downward, when the groove in rotating disc touches top
Plate and when engaged with top plate, rotating disc just with top plate synchronize start turning, the card in the card slot and sleeve on mandril at this time
Block is connected together, and the first spring is compressed, and the torque of such mandril will pass to sleeve by fixture block, and then transmit
To driven disc, the inner wall of driven disc and shell is to be threadedly coupled, and such driven disc starts turning, the final brill driven under driven disc
Head starts turning, and initially enters skull, and when drill bit just drills skull, the skull that sucker is sucked is in second spring
Under effect, the second air bag and the first air bag, the gas in the second air bag can be connected to again together with contact bar upward sliding, through-hole
It can enter in the first air bag, top plate is ejected groove by the expansion of the first air bag completely, while mandril is moved down, so that card
Block is no longer in clamping relationship with card slot, and the torque on mandril can not pass to sleeve, and driven disc stops operating, so that drill bit
It no longer rotates.
The invention has the benefit that this programme mainly realizes the automatic stop of drill bit using the cardinal principle of clutch, together
When piston is pulled in rotation so that the suction powder channel that is connected to piston forms negative pressure, the bone meal during operation is received
Collection.
It is the optimization to basic technology scheme below:
Further, the diameter for inhaling powder channel becomes smaller in exit.Bigger negative pressure is contributed to form in this way.
Further, the material that the top plate, mandril, driven disc and contact bar are all made of light weight is made.It can mitigate in this way
Skull drills the impact that rear endocranium may be subject to, while can also mitigate the weight that hand is born when doctor operates.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of automatic stop type cranial drill of the present invention；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: shell 1, piston 2, inhales powder channel 3, support rod 4, motor 5, rotating disc
6, hose 7, top plate 8, mandril 9, sucker 10, drill bit 11, contact bar 12, the second air bag 13, driven disc 14, the first air bag 15, company
Extension bar 16, nut 17, the first spring 18, sleeve 19, second spring 20, fixture block 21, baffle 22.
Embodiment is substantially as depicted in figs. 1 and 2, a kind of automatic stop type cranial drill, including shell 1, nut 17 and top plate 8, spiral shell
Mother 17 is fixed on the inner wall of shell 1 by connecting rod 16, is equipped in the shell of shell 1 and is inhaled powder channel 3, on the inner wall of shell 1
It is also fixedly connected with and is vertically arranged and the adjustment barrel of axis direction perforation, the top of adjustment barrel are connected to the top in suction powder channel 3,
Piston 2 is slidably connected in adjustment barrel；The bottom of piston 2 is fixedly connected on 2 bar piston of piston, 2 bar and is fixedly connected with support rod
4, the bottom of support rod 4 is fixed with motor 5, and the output shaft of motor 5 is threadedly coupled with nut 17, output shaft far from motor 5 one
End is fixed with rotating disc 6, and the lower surface of rotating disc 6 is equipped with groove, and the equal ring in periphery of the inner wall and top plate 8 of groove is furnished with teeth,
Top plate 8 and engagement are equipped with the first air bag 15 between the top and top plate 8 of groove；The bottom of top plate 8 is equipped with mandril 9, mandril
9 are equipped with card slot；The inner wall of shell 1 is also threaded with driven disc 14, and sleeve 19 is fixed on driven disc 14, and sleeve 19 slides
It is socketed on mandril 9, the inner wall level of sleeve 19 is equipped with resettlement groove, is fixedly connected with the first spring 18, the first bullet in resettlement groove
The other end of spring 18 is fixedly connected with the fixture block 21 that outer rim is circular arc, that is to say, that the position shape that fixture block 21 is contacted with card slot is
Arc-shaped, fixture block 21 are connected in card slot, are equipped with baffle 22 between mandril 9 and contact bar 12, and baffle 22 is fixed in sleeve 19,
The bottom of driven disc 14 is equipped with the second air bag 13 for filling high pressure gas, and the outlet side of the second air bag 13 is equipped with switch, driven
Air passage is equipped in disk 14, the both ends of air passage are respectively communicated with the first air bag 15 and the second air bag 13；The bottom of driven disc 14 is solid
Surely it is connected with hollow drill bit 11, contact bar 12 is equipped in drill bit 11, contact bar 12 is through driven disc 14 and sliding with driven disc 14
Dynamic connection contacts and is equipped with second spring 20 between the top and driven disc 14 of bar 12, and second spring 20 is set on contact bar 12,
The bottom end for contacting bar 12 is equipped with sucker 10, and sucker 10 is equipped with several small suction nozzles for being used to be sucked skull, and contact bar 12 is equipped with
Air passage is truncated and is connected to by the both ends of the through-hole being laterally arranged, through-hole, inhales the exit in powder channel 3 towards the head of drill bit 11
Portion.
Specific implementation process is as follows: when using this programme, the switch of the second air bag 13 is in closed state, contacts horizontal in bar 12
The second air bag 13 is connected to the first air bag 15 to the through-hole of setting, contact bar 12 is resisted and will be drilled by drop-down contact bar 12
Skull at so that skull is sucked the sucker 10 on contact bar 12, contact the between the top and driven disc of bar 12 at this time
Two springs 20 are compressed, and start motor 5, while the switch of the second air bag 13 being opened, at this time due to having contacted bar 12 downwards
It moves, so through-hole has no longer made the second air bag 13 and the first air bag 15 in connected state；
Powder channel 3 is inhaled due to being equipped in the shell of shell 1, is fixed on the inner wall of shell 1 and is vertically arranged and axis direction
The top of the adjustment barrel adjustment barrel of perforation is connected to the top for inhaling powder channel 3, and piston 2 is slidably connected in adjustment barrel；Piston 2
Bottom is fixedly connected with piston rod, is fixedly connected with support rod 4 on piston rod, fixed motor 5 again on support rod 4, and motor 5
Output shaft is threadedly coupled with the nut 17 being fixed on 1 inner wall of shell, such output shaft rotation downwards during motor 5 just
It will drive support rod 4 to move downward, and then moved downward with piston 2, can thus be formed in the exit for inhaling powder channel 3 negative
Pressure, the bone meal in this way in boring procedure, which will enter, to be inhaled in powder channel 3, it is therefore prevented that bone meal flies upward make everywhere in surgical procedure
At environmental pollution, while strengthening the circulation of air, moreover it is possible to cool down to drill bit 11, drill bit 11 avoided to cause time injury,
Output shaft drives rotating disc 6 also to move downward during rotation is downward, when the groove in rotating disc 6 touches
Top plate 8 and when engaged with top plate 8, rotating disc 6 just with top plate 8 synchronize start turning, the card slot and sleeve on mandril 9 at this time
Fixture block 21 in 19 is connected together, and the first spring 18 is compressed, and the torque of such mandril 9 will be transmitted by fixture block 21
To sleeve 19, and then driven disc is passed to, the inner wall of driven disc and shell 1 is to be threadedly coupled, and such driven disc starts turning, most
It drives the drill bit 11 under driven disc to start turning eventually, and initially enters skull, when drill bit 11 just drills skull, sucker
10 skulls being sucked can be connected to again the second gas together with contact 12 upward sliding of bar, through-hole under the action of second spring 20
Capsule 13 and the first air bag 15, the gas in the second air bag 13 can enter in the first air bag 15, the first air bag 15 completely expansion when
Height it is consistent with the depth of groove, the high pressure gas in the second air bag 13 enters 15 meeting of the first air bag so that the first air bag 15
Expansion completely, the ejection groove completely of top plate 8 moves down mandril 9 by the expansion of the first air bag 15, so that fixture block 21 is not
It is in again clamping relationship with card slot, even if rotating disc 6 is still in downward spiral, top plate 8 will continue to and engagement, but because fixture block
21 and card slot be no longer clamped, so the torque on mandril 9 can not pass to sleeve 19 always, and between mandril 9 and contact bar 12
Baffle 22 be fixed in sleeve 19, can prevent mandril 9 strike contact bar 12 so that contact bar 12 hurt people
Body, driven disc is because the inner wall with shell 1 is to be threadedly coupled, and driven disc can stop operating, so that drill bit 11 is not
It is rotated further by, drill bit 11 also just can not further decline, and avoid drill bit 11 to dural injury, when doctor has found drill bit 11
When no longer rotating, so that it may close motor 5.
Claims (3)
1. a kind of automatic stop type cranial drill, it is characterised in that: including shell, nut and top plate, the nut is fixed by the connecting rod
It is equipped on the inner wall of shell, in the shell of the shell and inhales powder channel, it is vertical to be also fixedly connected on the inner wall of the shell
It is arranged and the adjustment barrel of axis direction perforation, the top of adjustment barrel is connected to the top for inhaling powder channel, is slidably connected in adjustment barrel
There is piston；The bottom of piston is fixedly connected with piston rod, and support rod is fixedly connected on piston rod, and the bottom of the support rod is solid
Surely there is motor, the output shaft of the motor is connect with nut thread, and the output shaft is fixed with rotating disc far from one end of motor,
The lower surface of the rotating disc is equipped with groove, and the equal ring of the inner wall of the groove and the periphery of top plate is furnished with teeth, the top plate with
Engagement is equipped with the first air bag between the top and top plate of the groove；The bottom of the top plate is equipped with mandril, the mandril
It is equipped with card slot；The inner wall of the shell is also threaded with driven disc, and sleeve, sleeve sliding sleeve are fixed on the driven disc
Connect on mandril, the inner wall level of sleeve is equipped with resettlement groove, be fixedly connected with the first spring in resettlement groove, the first spring it is another
End is fixedly connected with the fixture block that outer rim is circular arc, and fixture block is connected in the card slot, and the bottom of the driven disc is equipped with for filling
Second air bag of high pressure gas, the outlet side of the second air bag are equipped with switch, are equipped with air passage in the driven disc, and the two of air passage
End is respectively communicated with the first air bag and the second air bag；The bottom of the driven disc is fixedly connected with hollow drill bit, in the drill bit
Equipped with contact bar, the contact bar through driven disc and being slidably connected with driven disc, the top of the contact bar and driven disc it
Between be equipped with second spring, the second spring be set in contact bar on, it is described contact bar bottom end be equipped with sucker, the contact bar
It is equipped with the through-hole being laterally arranged, the air passage is truncated and is connected to by the both ends of the through-hole, the outlet for inhaling powder channel
Place is towards the head of drill bit.
2. a kind of automatic stop type cranial drill according to claim 1, it is characterised in that: the diameter for inhaling powder channel is exporting
Place becomes smaller.
3. a kind of automatic stop type cranial drill according to claim 2, it is characterised in that: the top plate, mandril, driven disc and connect
The material that feeler lever is all made of light weight is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110296.5A CN109700500B (en) | 2019-02-11 | 2019-02-11 | Self-stop skull drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110296.5A CN109700500B (en) | 2019-02-11 | 2019-02-11 | Self-stop skull drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109700500A true CN109700500A (en) | 2019-05-03 |
| CN109700500B CN109700500B (en) | 2021-02-05 |
Family
ID=66263477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910110296.5A Active CN109700500B (en) | 2019-02-11 | 2019-02-11 | Self-stop skull drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109700500B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006837A (en) * | 2020-09-08 | 2020-12-01 | 王明坤 | Endocrine regulation belt |
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|---|---|---|---|---|
| CN2381277Y (en) * | 1999-08-09 | 2000-06-07 | 刘艳生 | Self stopping skull drill |
| CN201061551Y (en) * | 2007-07-23 | 2008-05-21 | 郭毅军 | Drill device for opening cranium stopping automatically |
| US20090299439A1 (en) * | 2008-06-02 | 2009-12-03 | Warsaw Orthopedic, Inc. | Method, system and tool for surgical procedures |
| CN204618339U (en) * | 2015-05-08 | 2015-09-09 | 张继富 | A kind of novel orthopaedics bone drill |
| CN204636472U (en) * | 2015-04-24 | 2015-09-16 | 杨为卓 | One drills automatic stop handle-type cranial drill |
| CN206714790U (en) * | 2016-12-30 | 2017-12-08 | 罗鸿 | A kind of orthopaedics perforating device |
| CN107537074A (en) * | 2017-08-30 | 2018-01-05 | 张献伟 | A kind of blood filter device of auxiliary treatment leucocyte disease |
| CN207824521U (en) * | 2018-02-02 | 2018-09-07 | 江西行新汽车科技有限公司 | A kind of firm steering wheel processing truning fixture |
| CN208458031U (en) * | 2018-05-22 | 2019-02-01 | 广州市新新厨具制造有限公司 | A kind of gas-cooker intelligent protection device |
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2019
- 2019-02-11 CN CN201910110296.5A patent/CN109700500B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2381277Y (en) * | 1999-08-09 | 2000-06-07 | 刘艳生 | Self stopping skull drill |
| CN201061551Y (en) * | 2007-07-23 | 2008-05-21 | 郭毅军 | Drill device for opening cranium stopping automatically |
| US20090299439A1 (en) * | 2008-06-02 | 2009-12-03 | Warsaw Orthopedic, Inc. | Method, system and tool for surgical procedures |
| CN204636472U (en) * | 2015-04-24 | 2015-09-16 | 杨为卓 | One drills automatic stop handle-type cranial drill |
| CN204618339U (en) * | 2015-05-08 | 2015-09-09 | 张继富 | A kind of novel orthopaedics bone drill |
| CN206714790U (en) * | 2016-12-30 | 2017-12-08 | 罗鸿 | A kind of orthopaedics perforating device |
| CN107537074A (en) * | 2017-08-30 | 2018-01-05 | 张献伟 | A kind of blood filter device of auxiliary treatment leucocyte disease |
| CN207824521U (en) * | 2018-02-02 | 2018-09-07 | 江西行新汽车科技有限公司 | A kind of firm steering wheel processing truning fixture |
| CN208458031U (en) * | 2018-05-22 | 2019-02-01 | 广州市新新厨具制造有限公司 | A kind of gas-cooker intelligent protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006837A (en) * | 2020-09-08 | 2020-12-01 | 王明坤 | Endocrine regulation belt |
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| Publication number | Publication date |
|---|---|
| CN109700500B (en) | 2021-02-05 |
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Address after: 563000 No.113 Dalian Road, Zunyi Development Zone, Guizhou Province Applicant after: AFFILIATED HOSPITAL OF ZUNYI MEDICAL University Address before: No. 149, Dalian Road, Huichuan District, Zunyi City, Guizhou Province Applicant before: AFFILIATED HOSPITAL OF ZUNYI MEDICAL College |
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