CN2147835Y - Skull drill - Google Patents
Skull drill Download PDFInfo
- Publication number
- CN2147835Y CN2147835Y CN 93204446 CN93204446U CN2147835Y CN 2147835 Y CN2147835 Y CN 2147835Y CN 93204446 CN93204446 CN 93204446 CN 93204446 U CN93204446 U CN 93204446U CN 2147835 Y CN2147835 Y CN 2147835Y
- Authority
- CN
- China
- Prior art keywords
- drill
- drill body
- sphenotresia
- skull
- shaped
- 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
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- Surgical Instruments (AREA)
Abstract
The utility model relates to a skull drill which is characterized in that the skull drill comprises a U-shaped drill body; one end of the drill body is provided with a screw drill stem, and the other end is provided with a lower supporting plate; an elastic upper press plate is arranged on the other end of the drill body corresponding to the lower supporting plate and is used for tightly clamping skull to be positioned when the skull drill drills holes; a universal twist drill bit is installed in the drill stem and is worn to form a drawing blade. The skull drill has the advantages of reasonable structure, safe use, convenient operation, small volume, light weight, operation time shortening, easy manufacture and low cost, and the utility model provides an economical and practical medical instrument which is worth to be developed and popularized.
Description
This utility model relates to a kind of medical apparatus, in particular, relates to the sphenotresia device.
When the doctor does the repairing skull operation, need on skull, hole.Now, finish with a kind of original hand drill usually, thereby it is very dangerous reliable to operate with handle.In time, has because of boring brokenly meninges and enters the accident that causes brain injury in the brain and take place.
For this reason, the purpose of this utility model is to provide a kind of sphenotresia device, can accurately locate during use with safe and reliable, and behaviour does conveniently, and efficient improves; Simultaneously structure is provided with rationally, and volume is little, and is in light weight, thus be convenient to sterilization and make reach easily with low cost.
This purpose, this utility model is achieved in that a kind of medical sphenotresia device, it is characterized in that: the drill body of a U-shaped, settle the auger stem of a rotatable also energy axial feed in an end of drill body, at drilling rod drill bit of an end positioned inside towards the U-shaped opening, the other end at drill body is provided with a tabular bottom plate, settles a rotary handle in the upper end of drilling rod.
A preferred version of the present utility model is that bottom plate and drill body are made one.
Another preferred version of the present utility model is, band of positioned inside at U type drill body allows the sheet material spring bearer plate of drill bit by structure, its settles relative with bottom plate, that upper lateral part that is equipped with drilling rod on drill body is settled a gripping mechanism removable and axially displaced and that cooperate with pressing plate, so that pressing plate and bottom plate clamp skull.
Another preferred version of this utility model is, described pressing plate is a bar shaped spring bearer plate, and the one end is fixed on an end of U-shaped drill body closure, and described clamping device is the precession screw of a band rotary handle.Its free end is pressed against on the spring bearer plate.
Another preferred version of this utility model is, settles a stop screw on drilling rod, facing to a side of drill bit a circular hole enlargement groove is set at bottom plate, and it faces bit point of the drill, also is provided with anti-skidding as sawtooth slot type structure on this side.
This utility model preferred version again is that all members are made with stainless steel material, perhaps make through technologies such as heat treatment and the bright chromium of surface plating with No. 45 common steel.
Below, by the specific embodiment in the accompanying drawing, describe this utility model in detail.
Accompanying drawing is the structural representation of this utility model sphenotresia device.
Wherein 1. is counter-sunk screw, 2. is rotary handle, 3. is the sphere chapiter screw, 4. is rotary drill rod.5. be trip bolt, 6, auxiliary hold-down screw.7. be U type drill body.8. be headless set screw.9. be top board.10. it is worn into for general spiral bit but with it and draws sword for drill bit.11. be the bottom plate of making one with drill body.12. be the groove on the bottom plate.13. be anti-skidding zigzag groove.
Operation principle of the present utility model is as follows: at first place bottom plate 11 below the skull and find the position that will hole accurately; screw housing screw 5 then; make top board 9 move down with bottom plate 11 near and clamp skull; twist handle 2 then; thereby auger stem 4 moves down feed motion that is drill bit 10 while rotating feed; just skull can be drilled through, the groove 12 on the bottom plate 11 is used for making skull to bore saturating easily and and is arranged on stop screw 3 mating protection drill bits on the drilling rod 4.Take out in reverse order after having bored.
In the present embodiment, be being connected of drill bit and drilling rod to finish by the clamping of stop screw 3, that is stop screw 3 has two effects of the spacing and fixed drill bit of feeding, and those skilled in the art can expect drill bit and being connected of drilling rod various ways being arranged, as cone square toes structure.Same bottom plate 11 also can be made independent part and fit together with drill body.Version as for top board 9 also can be expected multiple setting, is the rigid structure plate as top board, and the one end is hinged on the closing end of U-shaped drill body and is doing rotating hinge joint near free-ended place and housing screw 5.For another example: top board is nested with on a guide rod away from an end of drill bit, and is again that housing screw end and top board is rotating hinged, also can realize the following of top board, following move operation.
Also have a feasible scheme, promptly two of the drill body of U-shaped sidepieces (or claiming two supporting legs) are not fixedly to make one at closing end, but are hinged together, generally settle one in upper supporting leg this moment and run through nut.This nut end is connected with following supporting leg rotationally, just can make two supporting legs do open and close movement by rotating this through bolt like this; Simultaneously top board is done corresponding change as directly be fixed on upper lateral part (or on upper supporting leg) installs two arc-shaped sections for another example on the drill body on the both sides of drill bit supporting member with the curved plate member of drill bit by the hole instead, also can match with bottom plate and carry out the clamping and positioning effect.In addition on the bolt that is positioned between upper and lower sides portion tension spring of suit to help the up and down folding of sidepiece.Certainly, also can adopt pull bar cam mechanism about the open and close movement of sidepiece up and down.Also have the supporting member that is installed with in the drill bit outside on drill body also band observe the pipe fitting of drill bit hole slot.
The utility model skull drill facts have proved to have following advantage through clinical operation repeatedly:
＜one〉rational in infrastructure, easy to operate, and safe and reliable, thereby saved operating time, improved efficient.
＜two〉volume is little, in light weight can make integral body thoroughly steel member or high-test metal and engineering plastics add the bright chromium process of plating and make, so sturdy and durable and favourable cleaning, sterilization, repeatedly use.
＜three〉can realize clamping and positioning boring, thereby improve the degree of accuracy of boring and position, hole, and then improve whole operation quality and effect.
＜four〉the making processing is easy, with low cost, and economy and practical value are arranged very much.
Claims (5)
1, sphenotresia device, it is characterized in that: the drill body of a U-shaped, settle an auger stem that turns and can be axially displaced in its end, towards the end inside of U-shaped drill body opening a drill bit is installed at drilling rod, the other end at drill body is provided with a tabular bottom plate, settles a rotary handle at the other end of drilling rod.
2, by the described sphenotresia device of claim 1, it is characterized in that:
Bottom plate and drill body are made one; And allowing the sheet material pressing plate of drill bit by structure at band of the positioned inside of U-shaped drill body, its settles relative with bottom plate is installed that upper lateral part of drilling rod at drill body, settles an axially displaced and clamping device that cooperate with the sheet material pressing plate of rotatable also energy.
3, by the described sphenotresia device of claim 2, it is characterized in that:
Described pressing plate is a bar shaped spring bearer plate, and the one end is fixed on the closing end of U-shaped individuality; Described clamping device is the screw of a band rotary handle, and its free end is pressed against on the spring bearer plate.
4, by claim 2 or 3 described sphenotresia devices, it is characterized in that:
On drilling rod, settle a stop screw; A side that faces toward bit point of the drill at bottom plate is provided with circular an expansion through groove, in addition, also is provided with anti-skidding as sawtooth slot type structure.
5, by the described sphenotresia device of claim 4, it is characterized in that:
All members are made with rustless steel, or then plate bright chromium with ordinary steel through processes and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93204446 CN2147835Y (en) | 1993-02-27 | 1993-02-27 | Skull drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93204446 CN2147835Y (en) | 1993-02-27 | 1993-02-27 | Skull drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2147835Y true CN2147835Y (en) | 1993-12-01 |
Family
ID=33787997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93204446 Expired - Fee Related CN2147835Y (en) | 1993-02-27 | 1993-02-27 | Skull drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2147835Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972158A (en) * | 2010-11-10 | 2011-02-16 | 韦有佩 | Electric skull punch |
| CN107981910A (en) * | 2017-12-27 | 2018-05-04 | 深圳市第二人民医院 | A kind of skull bone window end hole device |
-
1993
- 1993-02-27 CN CN 93204446 patent/CN2147835Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972158A (en) * | 2010-11-10 | 2011-02-16 | 韦有佩 | Electric skull punch |
| CN107981910A (en) * | 2017-12-27 | 2018-05-04 | 深圳市第二人民医院 | A kind of skull bone window end hole device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned | ||
| CF01 | Termination of patent right due to non-payment of annual fee |