CN205697921U - Manual drill for craniotomy is used in a kind of experiment - Google Patents
Manual drill for craniotomy is used in a kind of experiment Download PDFInfo
- Publication number
- CN205697921U CN205697921U CN201620459576.9U CN201620459576U CN205697921U CN 205697921 U CN205697921 U CN 205697921U CN 201620459576 U CN201620459576 U CN 201620459576U CN 205697921 U CN205697921 U CN 205697921U
- Authority
- CN
- China
- Prior art keywords
- handle
- drilling pipe
- cam
- positioning seat
- fixing pin
- 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
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Abstract
The utility model discloses a kind of experiment and use manual drill for craniotomy, include positioning seat, drilling pipe, adjusting nut part, fixing pin, tighten handle and cam pack；Described drilling pipe includes drilling pipe portion, pierces distance adjustment and knob；Described drilling pipe subordinate's end forms brill tooth；Described fixing pin includes taper bit and shank；Described shank forms cam connecting plate in upper end；Described cam connecting plate offers cam connecting hole；Described cam pack includes handle and cam；During use, taper bit is made to enter skull appropriate depth；Now rotary knob portion, bores tooth and moves down along with drilling pipe rotates, and when the projection of adjusting nut part outer wall offsets with positioning seat, skull is the most drilled to be opened, and taper bit is fixed on the skull block after being drilled, thus is removed.
Description
Technical field
This utility model belongs to medical instruments field, particularly relates to a kind of experiment and uses manual drill for craniotomy.
Background technology
The Chinese utility model patent of Patent No. 201520672450.5 discloses the manual drill for craniotomy set of a kind of experiment
Part, above-mentioned manual drill for craniotomy external member, due to the existence of positioning needle, makes when opening cranium, and manual drill for craniotomy external member will not skull relatively
Skid and energy one man operation, but when just drilling skull, positioning needle may be pierced intracranial, destroy internal brain group
Knit.
Summary of the invention
Technical problem to be solved in the utility model is: the deficiency existed for prior art, it is provided that a kind of structure letter
Single, it is possible to punch on skull easily, and bored skull block is taken out, it is to avoid cross deep drilling and enter inside skull.
For realizing the purpose of this utility model, it is achieved by the following technical solutions: manual drill for craniotomy is used in a kind of experiment,
Include positioning seat, be plugged on the drilling pipe in described positioning seat, be threaded in the adjusting nut part of described drilling pipe outer wall, slide
The fixing pin being connected in described drilling pipe, be slidably connected at described fixing pin top tightens handle and cam pack；Described
Manhole is offered on positioning seat；Described positioning seat lower end forms along equally distributed four location of described through hole circumference
Pin；Described drilling pipe includes the drilling pipe portion of cylinder, is molded over piercing distance adjustment and being molded over of upper end, described drilling pipe portion
The knob of upper end, described drilling pipe portion；Described drilling pipe subordinate's end forms brill tooth；Described pierces on distance adjustment sidewall
Portion forms external screw thread；Described adjusting nut part includes the nut threadeded with described external screw thread；In described nut
Wall forms female thread.
Described fixing pin includes taper bit and shank；Described shank upper portion side wall offers bar shaped sliding tray；Institute
The shank stated forms cam connecting plate in upper end；Described cam connecting plate offers cam connecting hole；Overlap on described shank
It is connected to spring；Described spring tightens handle lower end described in being fixedly connected on；In the middle of described knob, upper end offers with described
The first perforation that shank coordinates；Described tightening offers the second perforation coordinated with described fixing pin top in the middle of handle；Described
Second perforation inwall forms the slider bar that the sliding tray with shank coordinates；Described cam pack includes handle and is molded over
The cam of described handle one end；Described cam pack is rotatably connected in the cam connecting hole of described fixing pin by bolt；Institute
State on handle near minor axis of cam and relatively screw handle end face and form projection；Described tightening forms on handle and handle
The hole, location of male cooperation；Described positioning seat, drilling pipe, adjusting nut part, fixing pin, tighten handle and cam pack divides
Not Cai Yong rustless steel one-body molded.
Preferably: described positioning seat outer wall forms two symmetrical handle portions.
Preferably: the described distance adjustment lower sidewall that pierces offers multiple draw-in groove；Described draw-in groove edge
Pierce the circumferentially equidistant from distribution of distance adjustment；Described nut lower end forms the clamping in the through hole being plugged on positioning seat
Circle, connects inside described clamp ring and has and the elastic chuck of described card slot fit, and described draw-in groove secures with elastic chuck
Adjusting nut part is relative to the position of drilling pipe.
Preferably: in the middle of described knob, upper end offers the recess coordinated with described handle, it is to avoid turning
Drilling pipe is driven to rotate together during dynamic handle.
Compared with prior art, the beneficial effects of the utility model are: before use, first according to practical situation, and will regulation
Nut piece is threaded in the correct position piercing distance adjustment outer wall, and then positioning seat is fixed on skull position to be punctured
Put, the drilling pipe after regulation is plugged in the through hole in hole, location, spring housing is connected on outside fixing pin, fixing pin is inserted and tightens
In the second perforation in the middle of handle, cam pack is rotatably connected on fixing pin top by bolt, by mounted fixing pin
It is plugged in the perforation of drilling pipe；During use, cam pack is rotated to making projection be embedded in hole, location, with pinching hole, location on the other hand
Handle portion, be rotated down on the other hand the handle of cam pack, make taper bit enter skull appropriate depth, now by projection assembly
Rotate 180 °；Pinch the handle portion of positioning seat, rotary knob portion on the other hand by proficiency, due to spring contraction, brill tooth is pushed against cranium
On bone, rotary knob portion when, bore tooth and move down along with drilling pipe rotates, convex when adjusting nut part outer wall
Rise with positioning seat offset time, it is meant that skull is the most drilled to be opened, owing to taper bit is fixed on the skull block after being drilled, so
Only protruding assembly need to be turned to be perpendicular to tighten handle end face, now extend, by the skull on taper bit due to spring
Block, is positioned at drilling pipe inside thus is removed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
Fig. 3 is sectional structure schematic diagram of the present utility model.
Fig. 4 is drilling pipe structural representation of the present utility model.
Fig. 5 is adjusting nut part structural representation of the present utility model.
Fig. 6 is fixing pin sectional structure schematic diagram of the present utility model.
Fig. 7 is of the present utility model to tighten grip structure schematic diagram.
Fig. 8 is cam structure schematic diagram of the present utility model.
1, positioning seat；11, positioning needle；12, through hole；2, drilling pipe；20, tooth is bored；21, drilling pipe portion；22, distance regulation is pierced
Portion；221, draw-in groove；222, external screw thread；23, knob；231, recess；232, the first perforation；3, adjusting nut part；31, clamping
Circle；311, elastic chuck；32, nut；321, female thread；4, fixing pin；41, taper bit；42, shank；421, sliding tray；
43, cam connecting plate；431, cam connecting hole；5, handle is tightened；51, the second perforation；511, slider bar；52, hole, location；6, convex
Wheel assembly；61, cam；62, handle；621, protruding；7, spring.
Detailed description of the invention
Below according to accompanying drawing, detailed description of the invention of the present utility model is made a detailed explanation.
According to shown in Fig. 1 to Fig. 8, manual drill for craniotomy is used in a kind of experiment described in the present embodiment, includes positioning seat 1, inserts
The drilling pipe 2 being connected in described positioning seat, is threaded in the adjusting nut part 3 of described drilling pipe outer wall, is slidably connected at described brill
Fixing pin 4 in Tong, be slidably connected at described fixing pin top tightens handle 5 and cam pack 6；Open on described positioning seat
It is provided with manhole 12；Described positioning seat lower end forms along described through hole equally distributed four positioning needles 11 of circumference；Institute
State drilling pipe and include the drilling pipe portion 21 of cylinder, be molded over piercing distance adjustment 22 and being molded over institute of upper end, described drilling pipe portion
State the knob 23 of upper end, drilling pipe portion；Described drilling pipe subordinate's end forms brill tooth 20；Described pierces distance adjustment sidewall
Top forms external screw thread 222；Described adjusting nut part includes the nut 32 threadeded with described external screw thread；Described
Nut inner wall forms female thread 321；Described fixing pin includes taper bit 41 and shank 42；Described shank upper portion side wall
Offer bar shaped sliding tray 421；Described shank forms cam connecting plate 43 in upper end；Described cam connecting plate offers
Cam connecting hole 431；Spring 7 it is socketed with on described shank；Described spring tightens handle lower end described in being fixedly connected on；Described
In the middle of knob, upper end offers the first perforation 232 coordinated with described shank；Described tightening offers in the middle of handle with described
The second perforation 51 that fixing pin top coordinates；Described second perforation inwall forms the slider bar that the sliding tray with shank coordinates
511；Described cam pack includes handle 62 and is molded over the cam 61 of described handle one end；Described cam pack passes through spiral shell
Bolt is rotatably connected in the cam connecting hole of described fixing pin；Near minor axis of cam and relatively screw handle end face on described handle
Form protruding 621；The described hole, location 52 tightening the male cooperation formed on handle with handle；Described positioning seat,
Drilling pipe, adjusting nut part, fixing pin, tighten handle and cam pack to be respectively adopted rustless steel one-body molded；Described location
Seat outer wall forms two symmetrical handle portions 11；The described distance adjustment lower sidewall that pierces offers multiple draw-in groove 221；
Described draw-in groove is along piercing the circumferentially equidistant from distribution of distance adjustment；Described nut lower end forms and is plugged on the logical of positioning seat
Clamp ring 31 in hole, connects inside described clamp ring and has and the elastic chuck 311 of described card slot fit；Described clamp ring
Inwall relative resilient dop position forms the cavity accommodating elastic chuck；Described elastic chuck is positioned at the part of cavity for sending out
Bubble plastics, elastic chuck outer end is rigid plastics.Described draw-in groove secures adjusting nut part relative to drilling pipe with elastic chuck
Position；In the middle of described knob, upper end offers the recess 231 coordinated with described handle, it is to avoid drives when swing handle and bores
Cylinder rotates together.
Before using, first according to practical situation, adjusting nut part is threaded in and pierces the suitable of distance adjustment outer wall
Position, is then fixed on skull position to be punctured by positioning seat, the drilling pipe after regulation is plugged in the through hole in hole, location, by bullet
Spring is socketed in outside fixing pin, is inserted by fixing pin in the second perforation tightened in the middle of handle, is turned by bolt by cam pack
It is automatically connected in fixing pin top, mounted fixing pin is plugged in the perforation of drilling pipe；During use, cam pack is rotated extremely
Make projection be embedded in hole, location, with pinching the handle portion positioning hole on the other hand, be rotated down the handle of cam pack on the other hand, make taper
Drill bit enters skull appropriate depth, now projection assembly is rotated 180 °；Pinch the handle portion of positioning seat by proficiency, rotate on the other hand
Knob, due to spring contraction, is pushed against brill tooth on skull, rotary knob portion when, bores tooth along with drilling pipe rotation
Turn while moving down, when the projection of adjusting nut part outer wall offsets with positioning seat, it is meant that skull is the most drilled to be opened, due to
Taper bit is fixed on the skull block after being drilled, so only need to turn to be perpendicular to tighten handle end face by protruding assembly, this
Time extend due to spring, by the skull block on taper bit, be positioned at drilling pipe internal thus be removed.
Claims (4)
1. manual drill for craniotomy is used in an experiment, it is characterised in that: include positioning seat, be plugged on the drilling pipe in described positioning seat,
It is threaded in the adjusting nut part of described drilling pipe outer wall, the fixing pin being slidably connected in described drilling pipe, it is slidably connected at institute
That states fixing pin top tightens handle and cam pack；
Manhole is offered on described positioning seat；Described positioning seat lower end forms along described through hole circumference equally distributed
Four positioning needles；
Described drilling pipe includes the drilling pipe portion of cylinder, is molded over piercing distance adjustment and being molded over of upper end, described drilling pipe portion
The knob of upper end, described drilling pipe portion；Described drilling pipe subordinate's end forms brill tooth；Described pierces on distance adjustment sidewall
Portion forms external screw thread；
Described adjusting nut part includes the nut threadeded with described external screw thread；Described nut inner wall forms interior spiral shell
Stricture of vagina；
Described fixing pin includes taper bit and shank；Described shank upper portion side wall offers bar shaped sliding tray；Described
Shank forms cam connecting plate in upper end；Described cam connecting plate offers cam connecting hole；It is socketed with on described shank
Spring；Described spring tightens handle lower end described in being fixedly connected on；
In the middle of described knob, upper end offers the first perforation coordinated with described shank；
Described tightening offers the second perforation coordinated with described fixing pin top in the middle of handle；Described second perforation inwall molding
There is the slider bar that the sliding tray with shank coordinates；Described cam pack includes handle and is molded over the convex of described handle one end
Wheel；Described cam pack is rotatably connected in the cam connecting hole of described fixing pin by bolt；Near cam on described handle
Short axle and relatively screw handle end face and form projection；
The described hole, location tightening the male cooperation formed on handle with handle；
Described positioning seat, drilling pipe, adjusting nut part, fixing pin, tighten handle and cam pack is respectively adopted rustless steel one
Body formed.
2. manual drill for craniotomy is used in a kind of experiment as claimed in claim 1, it is characterised in that: described positioning seat outer wall forms
Two symmetrical handle portions.
3. manual drill for craniotomy is used in a kind of experiment as claimed in claim 1, it is characterised in that: described pierces distance adjustment side
Wall bottom offers multiple draw-in groove；Described draw-in groove is along piercing the circumferentially equidistant from distribution of distance adjustment；Described nut lower end
Forming the clamp ring in the through hole being plugged on positioning seat, connecting inside described clamp ring has and the elasticity of described card slot fit
Dop.
4. manual drill for craniotomy is used in a kind of experiment as claimed in claim 1, it is characterised in that: in the middle of described knob, upper end is opened
It is provided with the recess coordinated with described handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459576.9U CN205697921U (en) | 2016-05-18 | 2016-05-18 | Manual drill for craniotomy is used in a kind of experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459576.9U CN205697921U (en) | 2016-05-18 | 2016-05-18 | Manual drill for craniotomy is used in a kind of experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205697921U true CN205697921U (en) | 2016-11-23 |
Family
ID=57300252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620459576.9U Expired - Fee Related CN205697921U (en) | 2016-05-18 | 2016-05-18 | Manual drill for craniotomy is used in a kind of experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205697921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852928A (en) * | 2016-05-18 | 2016-08-17 | 黄文佳 | Manual craniotomy drill for experiments |
-
2016
- 2016-05-18 CN CN201620459576.9U patent/CN205697921U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852928A (en) * | 2016-05-18 | 2016-08-17 | 黄文佳 | Manual craniotomy drill for experiments |
| CN105852928B (en) * | 2016-05-18 | 2018-03-13 | 珠海神平医疗器械有限公司 | The manual craniotomy drill of one kind experiment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Geng Chao Inventor before: Huang Wenjia |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170217 Address after: 260000 Shandong street health city of Weifang province Shouguang City, No. 45 Patentee after: Geng Chao Address before: Hangzhou City, Zhejiang province 310052 Binjiang District Dongguan Road No. 655 Building 1 unit 5 Manchester City Jinsheng room 1102 Patentee before: Huang Wenjia |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170518 |