CN204049858U - One drives cranium positioner - Google Patents
One drives cranium positioner Download PDFInfo
- Publication number
- CN204049858U CN204049858U CN201420434901.7U CN201420434901U CN204049858U CN 204049858 U CN204049858 U CN 204049858U CN 201420434901 U CN201420434901 U CN 201420434901U CN 204049858 U CN204049858 U CN 204049858U
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- CN
- China
- Prior art keywords
- shaped support
- square underframe
- vertical rod
- slide block
- measuring stick
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- 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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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
This utility model provides one and drives cranium positioner, at least comprise fixed mechanism and detent mechanism, the U-shaped support II that fixed mechanism comprises square underframe, the U-shaped support I be made up of vertical rod a, d and horizon bar and is made up of vertical rod b, c and horizon bar, two U-shaped bracket end are arranged on square underframe by screw rod decussation, and square underframe and vertical rod a, b, c, d are equipped with chute and Measurement scales; Detent mechanism is made up of three measuring sticks, the L shape sagittal plane measuring stick being respectively the U-shaped level measurement bar be arranged on by slide block on vertical rod a, b, c, being arranged on the U-shaped coronalplane measuring stick on square underframe a pair limit and being arranged on by slide block on another opposite side of square underframe by slide block, slide block is carved with normal line; Said apparatus structure is simple, and volume is little, easy to use and with low cost, can position fast, accurately, shorten operating time, improve the success rate of operation to head focus.
Description
Technical field
This utility model relates to technical field of medical instruments, relate to particularly a kind of on scalp, trace lesions position when carrying out operation of opening cranium and then determine operative approach drive cranium positioner.
Background technology
When carrying out operation of opening cranium, first to carry out CT or MRI scanning and determine focus, then body surface location is carried out according to the position of focus in conjunction with Anatomical orientation and body surface symbol, and then determine operative incision, therefore higher to holding the requirement of cutter surgical medical knowledge, require that holding cutter surgeon accurately can not only understand CT sheet/MRI sheet, and can skillfully grasp location body surface symbol, otherwise easily occur that incision site offsets in operation, the otch making focus not expose completely or to perform the operation is excessive.
For accurately determining lesions position, need by some head focus positioners, prior art is as the head positioning rule (patent No.: 200420024660), by locator for operation, (patent No.: 201320120883), only can carry out running fix to department of cerebral surgery in two dimensional surface; Thus (, although achieve three-dimensional localization, owing to cannot there is the not accurate problem in location by fixing head during location in the patent No.: 200720090983) to focus positioning rule for vein cranium ultrasonic therapy; Chinese patent net discloses a kind of head stereotaxic apparatus (patent No.: 200710063001), comprise support, head fixing device, positioner and sting device, this instrument can realize 3 D stereo location, but apparatus structure is complicated, volume is large, uses inconvenience and cost is high.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and provides one to drive cranium positioner, and this device simply can be fixed on that patients head upper to realize focus fast, three-dimensional localization accurately.
Realize that this utility model object takes technical scheme be:
One drives cranium positioner, at least comprise fixed mechanism and detent mechanism, it is characterized in that: fixed mechanism comprises square underframe, U-shaped support I and U-shaped support II, U-shaped support I comprises two vertical rod a with d and is connected vertical rod a, the horizon bar of d, U-shaped support II comprises two vertical rod b with c and is connected vertical rod b, the horizon bar of c, the end of U-shaped support I and U-shaped support II, tapped through hole is equipped with in the middle part of two horizon bars and in the middle part of square underframe, U-shaped support I is connected with square underframe by the screw rod through tapped through hole with the end of U-shaped support II, two horizon bars are that cross type is connected through the screw rod of tapped through hole by cross point place, square underframe and vertical rod a, b, c, d is equipped with chute, detent mechanism is made up of three measuring sticks, be respectively level measurement bar, coronalplane measuring stick and sagittal plane measuring stick, wherein level measurement bar takes the shape of the letter U, be parallel to square underframe place plane, vertical rod a is arranged on by slide block, b, c is upper also to be slided up and down thereon, coronalplane measuring stick takes the shape of the letter U, be parallel to U-shaped support II place plane, to be arranged on square underframe a pair limit by slide block and slide anteroposterior thereon, sagittal plane measuring stick is L-shaped, be parallel to U-shaped support I place plane, be arranged on another opposite side of square underframe by slide block and also horizontally slip thereon, vertical rod a, b, c, d and square underframe are all carved with Measurement scales, slide block is carved with normal line.
The minimum calibration of described Measurement scales is 1mm.
Screw rod two ends are equipped with spacing part, and described spacing part is nut, split pin or R type pin.
Described measuring stick is connected with slide block by screw.
The part that described screw rod stretches out inside square underframe is provided with protective sleeve.
As shown from the above technical solution, the positioner that this utility model provides comprises the fixed mechanism be made up of square underframe, two U-shaped supports and the detent mechanism be made up of U-shaped level measurement bar, U-shaped coronalplane measuring stick and L shape sagittal plane measuring stick, wherein U-shaped support is connected with square underframe by the spacing part at screw rod and screw rod two ends, screw rod screw-in length can change, and vertical rod a, b, c, d and square underframe is equipped with chute and is carved with Measurement scales; Detent mechanism is arranged on fixed mechanism by slide block, level measurement bar can slide up and down on the fixed mechanism of correspondence, coronalplane measuring stick horizontally slips on the fixed mechanism of correspondence, sagittal plane measuring stick can on the fixed mechanism of correspondence slide anteroposterior, slide block is carved with normal line.
Compared with prior art, the beneficial effects of the utility model are:
Said apparatus is applicable to the head of different size by adjusting screw(rod) screw-in length and is fastened on patients head, ensures that location timer and patients head relative movement can not occur thus ensure positioning accurate accuracy; Screw rod is provided with protective sleeve and patient skin can be protected from screw rod scratch, increases the comfort level of this positioner patient when applying simultaneously; Fixture can clamp thus fixture closely be fixed by spacing part.
Detent mechanism can be free to slide on fixed mechanism, and level measurement bar, coronalplane measuring stick, sagittal plane measuring stick can determine the concrete orientation of focus on transverse section, coronalplane, sagittal plane respectively, thus realizes the three-dimensional localization to focus; The Measurement scales that fixed mechanism is carved with, and the normal line that slide block is carved with can be guaranteed accurate positioning, convenient and precision is higher can reach 1mm.
The positioning device structure that this utility model provides is simple, and volume is little, easy to use and with low cost, uses said apparatus to position head focus fast, accurately, shortens operating time, improve the success rate of operation.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure schematic diagram driving cranium positioner.
Fig. 2 is that one opens cranium positioner AA to sectional view.
Wherein, the square underframe of 1-, 2-U shape support I, 3-U shape support II, 4-level measurement bar, 5-coronalplane measuring stick, 6-sagittal plane measuring stick, 7-slide block, 8-screw rod, the spacing part of 9-, 10-screw, 11-protective sleeve.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, this utility model is illustrated in detail.
In the present embodiment, square underframe length is 20 ㎝, and wide is 18 ㎝, and U-shaped support four vertical rods a, b, c, d are highly 13 ㎝.
One as shown in Figure 1 drives cranium positioner overall structure schematic diagram, this positioner comprises fixed mechanism and detent mechanism, fixed mechanism comprises square underframe 1, U-shaped support I 2 and U-shaped support II 3, in the middle part of the end of U-shaped support I and U-shaped support II, two horizon bars and be equipped with tapped through hole in the middle part of square underframe, U-shaped support I is connected with square underframe by the screw rod 8 through tapped through hole with the end of U-shaped support II; U-shaped support I and square base frame form two junction point A and D, and A, D point is the mid point of square underframe 1 corresponding sides; U-shaped support II 3 and square base frame form two junction point B and C, and B, C point is 9cm to the distance on limit, A point place; A, B, C, D point place vertical rod is designated as vertical rod a, vertical rod b, vertical rod c, vertical rod d respectively, square underframe and vertical rod a, b, c, d are equipped with chute, two U-shaped support decussations are installed on square underframe and form junction point E, and two horizon bars are connected through the screw rod of tapped through hole by cross point place; Spacing part 9 is all equipped with at screw rod two ends, and use R type pin as spacing part in the present embodiment, R type pin card is stretched out the two ends of fixed mechanism at screw rod and fitted tightly with fixed mechanism; Square underframe 1 and vertical rod a, b, c, d are equipped with Measurement scales, by the scale of measuring stick movement, three-dimensional localization are carried out to focus, the movement of measuring stick can be ensured in one plane simultaneously.
Detent mechanism is made up of three measuring sticks, be respectively level measurement bar 4, coronalplane measuring stick 5 and sagittal plane measuring stick 6, measuring stick is connected with slide block 7 by two screws 10, measuring stick to be connected with fixed mechanism by slide block 7 and to move freely on chute, wherein U-shaped level measurement bar 4 level is arranged on vertical rod a, b, c, can slide up and down and measure transverse section, focus place on vertical rod; U-shaped coronalplane measuring stick 5 is vertically mounted on on square underframe 1 one opposite side, can on the corresponding opposite side of square underframe 1 before and after slip measurement focus place coronalplane, the connected mode of coronalplane measuring stick, slide block and underframe is as shown in Figure 2; L shape sagittal plane measuring stick 6 be arranged on square another opposite side of underframe 1 wherein on one side on, can on the limit of the square underframe in A point place slip measurement focus place, left and right sagittal plane, converse the distance of focus to otch by the scale of movement; The slide block of connection measuring stick and fixed mechanism is carved with normal line.
In practical operation, the length of rotary screw 8 adjusting screw(rod) extension inside square underframe 1 is to adapt to patient's head size, and clamp R type pin, screw rod extension is provided with protective sleeve 11, and protection patient skin is in order to avoid scratched by screw rod, device is fixed on patient's head by four somes A, B, C, E, wherein B, C point lays respectively at the porus acusticus externus of head both sides, A point is positioned at forehead, E point is positioned at top, porus acusticus externus and forehead 3 place planes are through canthomeatal line, to guarantee that baseline when scanning with CT or MRI is in same plane, light decision plane effect through three of porus acusticus externus and forehead, the effect of device being fixed on head is lighted at one of top, locating desired data is provided by the measurement of CT sheet/MRI sheet data that scans focus and conversion by tracing system, slide up and down normal line on level measurement bar to slide block according to the data provided to align with the graduation mark of provided data, determine the distance of focus and datum plane, align with the graduation mark of provided data according to normal line on the data slide anteroposterior coronalplane measuring stick to slide block that the system of tracing provides, position at frontal temporal part, determine the incision site of performing the operation, the data provided according to the system of the tracing normal line on sagittal plane measuring stick to slide block that horizontally slips aligns with the graduation mark of provided data, determine the degree of depth of performing the operation.
Claims (5)
1. drive cranium positioner for one kind, at least comprise fixed mechanism and detent mechanism, it is characterized in that: fixed mechanism comprises square underframe, U-shaped support I and U-shaped support II, U-shaped support I comprises two vertical rod a with d and is connected vertical rod a, the horizon bar of d, U-shaped support II comprises two vertical rod b with c and is connected vertical rod b, the horizon bar of c, the end of U-shaped support I and U-shaped support II, tapped through hole is equipped with in the middle part of two horizon bars and in the middle part of square underframe, U-shaped support I is connected with square underframe by the screw rod through tapped through hole with the end of U-shaped support II, two horizon bars are that cross type is connected through the screw rod of tapped through hole by cross point place, square underframe and vertical rod a, b, c, d is equipped with chute, detent mechanism is made up of three measuring sticks, be respectively level measurement bar, coronalplane measuring stick and sagittal plane measuring stick, wherein level measurement bar takes the shape of the letter U, be parallel to square underframe place plane, vertical rod a is arranged on by slide block, b, c is upper also to be slided up and down thereon, coronalplane measuring stick takes the shape of the letter U, be parallel to U-shaped support II place plane, to be arranged on square underframe a pair limit by slide block and slide anteroposterior thereon, sagittal plane measuring stick is L-shaped, be parallel to U-shaped support I place plane, be arranged on another opposite side of square underframe by slide block and also horizontally slip thereon, vertical rod a, b, c, d and square underframe are all carved with Measurement scales, slide block is carved with normal line.
2. drive cranium positioner according to claim 1, it is characterized in that: the minimum calibration of described Measurement scales is 1mm.
3. drive cranium positioner according to claim 1, it is characterized in that: described screw rod two ends are equipped with spacing part, described spacing part is nut, split pin or R type pin.
4. drive cranium positioner according to claim 1, it is characterized in that: described measuring stick is connected with slide block by screw.
5. drive cranium positioner according to claim 1, it is characterized in that: the one end inside square underframe is provided with protective sleeve to described screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434901.7U CN204049858U (en) | 2014-08-01 | 2014-08-01 | One drives cranium positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434901.7U CN204049858U (en) | 2014-08-01 | 2014-08-01 | One drives cranium positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204049858U true CN204049858U (en) | 2014-12-31 |
Family
ID=52191466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420434901.7U Expired - Fee Related CN204049858U (en) | 2014-08-01 | 2014-08-01 | One drives cranium positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204049858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783907A (en) * | 2015-05-13 | 2015-07-22 | 张宝国 | Individualized stereotactic head ring placing support |
-
2014
- 2014-08-01 CN CN201420434901.7U patent/CN204049858U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783907A (en) * | 2015-05-13 | 2015-07-22 | 张宝国 | Individualized stereotactic head ring placing support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150801 |
|
| EXPY | Termination of patent right or utility model |