CN104083220B

CN104083220B - One drives cranium positioner

Info

Publication number: CN104083220B
Application number: CN201410378632.1A
Authority: CN
Inventors: 罗登立
Original assignee: PEOPLE'S HOSPITAL OF MACHENG CITY
Current assignee: PEOPLE'S HOSPITAL OF MACHENG CITY
Priority date: 2014-08-01
Filing date: 2014-08-01
Publication date: 2016-08-17
Anticipated expiration: 2034-08-01
Also published as: CN104083220A

Abstract

The invention provides one and drive cranium positioner, at least include fixed mechanism and detent mechanism, fixed mechanism includes the square underframe with connecting plate, the U-bracket I being made up of vertical rod a, d and horizon bar and the U-bracket II being made up of vertical rod b, c and horizon bar, two U-bracket ends, by being arranged on the connecting plate of square underframe through the screw rod decussation of tapped through hole, square underframe and vertical rod a, b, c, d are equipped with Measurement scales；Detent mechanism is made up of three measurement bars, and the U-shaped level measurement bar being respectively arranged on vertical rod a, b, c, the U-shaped coronalplane measurement bar being arranged on a pair limit of square underframe and the L-shaped sagittal plane being arranged on another opposite side of square underframe measure bar；Normal line it is carved with on slide block；Above-mentioned positioning device structure is simple, and volume is little, easy to use and with low cost, can quickly, accurately to head focus position, and shortens operating time, improves the success rate of operation.

Description

One drives cranium positioner

Technical field

The present invention relates to technical field of medical instruments, on scalp, when carrying out operation of opening cranium more particularly to one, trace focus Position so determine operative approach drive cranium positioner.

Background technology

When carrying out operation of opening cranium, first have to carry out CT or MRI scan determines focus, then tie according to the position of focus Close Anatomical orientation and body surface symbol carries out body surface location, and then determine operative incision, therefore to holding the surgical medical science of cutter Requested knowledge is higher, it is desirable to holds cutter surgeon and can not only accurately understand CT sheet/MRI sheet, and can skillfully grasp Location body surface symbol, otherwise easily occurs that incision site offsets in operation, makes the otch that focus can not be completely exposed or perform the operation Excessive.

For accurately determining lesions position, needing by some head focus positioners, prior art such as head positioning rule is (specially Profit number: 200420024660), department of cerebral surgery, with locator for operation (patent No.: 201320120883), only can be put down in two dimension Location is moved in face；Focus positioning rule for vein cranium ultrasonic therapy (patent No.: 200720090983), although achieve Three-dimensional localization, due to during location cannot fixing head thus there is location accurate problem；Chinese patent net discloses one Head stereotaxic apparatus (patent No.: 200710063001), including support, head fixing device, positioner and puncture Device, this instrument can realize 3 D stereo location, but apparatus structure is complicated, and volume is big, uses inconvenience and cost high.

Summary of the invention

It is an object of the invention to overcome the deficiencies in the prior art and provide one to drive cranium positioner, this device can simply be consolidated It is scheduled on that patients head is upper realizes, accurately three-dimensional localization quick to focus.

Realizing what the object of the invention was taked technical scheme is:

One drives cranium positioner, at least includes fixed mechanism and detent mechanism, it is characterised in that: the fixed mechanism side of including Shape underframe, U-bracket I and U-bracket II, square underframe is provided with the connecting plate of four threaded through hole, and U-shaped props up Frame I includes two vertical rod a and d and connects the horizon bar of vertical rod a, d, and U-bracket II includes two vertical rod b With c and the horizon bar of connection vertical rod b, c, U-bracket I is equal with on the end of U-bracket II and two horizon bars Being provided with tapped through hole, U-bracket I and the end of U-bracket II are by through the screw rod of corresponding tapped through hole and square base The connecting plate of frame connects, and two horizon bars are that cross type is connected through the screw rod of tapped through hole by intersection；Location Mechanism is made up of three measurement bars, and respectively level measurement bar, coronalplane measures bar and sagittal plane measurement bar, Qi Zhongshui Plane survey bar takes the shape of the letter U, and is parallel to square underframe place plane, is arranged on vertical rod a, b, c upper and on vertical rod Sliding up and down, coronalplane is measured bar and is taken the shape of the letter U, and is parallel to U-bracket II place plane, is arranged on square underframe a pair Slide anteroposterior on limit and thereon, it is L-shaped that sagittal plane measures bar, is parallel to U-bracket I place plane, is arranged on On another opposite side of square underframe and horizontally slip thereon；Survey all it is carved with on vertical rod a, b, c, d and square underframe Amount scale.

It is equipped with chute on square underframe and vertical rod a, b, c, d, measures bar and be arranged on by slide block or sliding sleeve solid Determine in mechanism along chute slidably.

It is carved with normal line on described slide block or sliding sleeve.

The minimum indexing 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 screw rod is provided with protection set on the one end inside square underframe.

As shown from the above technical solution, the present invention provide positioner include by with connecting plate square underframe, two The fixed mechanism of U-bracket composition and measured bar and L-shaped sagittal plane measured by U-shaped level measurement bar, U-shaped coronalplane The detent mechanism of bar composition, wherein U-bracket is by the spacing part at screw rod and screw rod two ends and the company on square underframe Fishplate bar connects, and screw rod screw-in length can change, and vertical rod a, b, c, d and square underframe are all carved with Measurement scales； Detent mechanism is arranged on fixed mechanism by slide block or sliding sleeve, and level measurement bar can on corresponding fixed mechanism up and down Sliding, coronalplane is measured bar and is horizontally slipped on corresponding fixed mechanism, and sagittal plane measures bar can be at corresponding fixed mechanism It is carved with normal line on upper slide anteroposterior, slide block or sliding sleeve.

Compared with prior art, the invention have the benefit that

Said apparatus can be applicable to different size of head by adjusting screw rod screw-in length and be fastened on patients head, it is ensured that During location, device and patients head will not occur relative movement thus ensure positioning accurate accuracy；Screw rod is provided with protection set and can protect Protect patient skin from screw rod scratch, increase this positioner comfort level of patient when application simultaneously；Spacing part can be by Fixing device clamps thus fixing device is tightly fastened.

Detent mechanism can on fixed mechanism slidably, and level measurement bar, coronalplane measure bar, sagittal plane measures bar The focus concrete orientation on transverse section, coronalplane, sagittal plane can be determined respectively, thus realize the three-dimensional localization to focus； The normal line being carved with on the Measurement scales being carved with on fixed mechanism, and slide block or sliding sleeve can ensure that accurate positioning, convenient also And precision is higher, up to 1mm.

The positioning device structure that the present invention provides is simple, and volume is little, easy to use and with low cost, uses said apparatus Can quickly, accurately to head focus position, shorten 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 is measured Bar, 6-sagittal plane measurement bar, 7-slide block, 8-screw rod, the spacing part of 9-, 10-connecting plate, 11-screw, 12-protects set.

Detailed description of the invention

Below in conjunction with specific embodiment and accompanying drawing, the present invention is illustrated in detail.

In the present embodiment, square underframe 1 a length of 20, a width of 18, U-bracket four vertical rods a, b, c, d Highly being 13, connecting plate 10 width is identical with the measurement bar width being attached thereto.

One as shown in Figure 1 drives cranium positioner overall structure schematic diagram, and this positioner includes fixed mechanism and determines Position mechanism, fixed mechanism includes square underframe 1, U-bracket I 2 and U-bracket II 3, and square underframe is provided with four It is equipped with screw thread on the connecting plate 10 of threaded through hole, U-bracket I and the end of U-bracket II and two horizon bars Through hole, the end of U-bracket I and U-bracket II is by the connecting plate of screw rod 8 and square underframe through tapped through hole Connect；U-bracket I forms two junction point A and D with connecting plate, and A, D point is the corresponding sides of square underframe Midpoint；U-bracket II 3 and connecting plate 10 form two junction point B and C, and B, C point is to the distance on limit, A point place It is 9cm；A, B, C, D point place straight-bar is designated as vertical rod a, vertical rod b, vertical rod c, vertical rod d respectively, Being equipped with chute on square underframe and vertical rod a, b, c, d, two U-bracket decussations are installed on square underframe Connecting plate on formed junction point E, two horizon bars by intersection pass tapped through hole screw rod be attached；Screw rod Two ends are respectively arranged with spacing part 9, use R type pin to stretch out solid at screw rod as spacing part, R type pin card in the present embodiment Determine the two ends of mechanism and fit tightly with fixed mechanism；It is equipped with survey on square underframe 1 and vertical rod a, b, c, d Amount scale, the scale moved by measuring bar carries out three-dimensional localization to focus, ensure that the movement measuring bar is one simultaneously In individual plane.

Detent mechanism is made up of three measurement bars, and respectively level measurement bar 4, coronalplane measures bar 5 and sagittal plane survey Gauge rod 6, is measured bar and is connected with slide block 7 by two screws 11, measures bar and is connected with fixed mechanism by slide block and is being slided Moving freely on groove, wherein U-shaped level measurement bar 4 is horizontally arranged on vertical rod a, b, c, can be on vertical rod Slide up and down mensuration transverse section, focus place；U-shaped coronalplane is measured bar 5 and is vertically mounted on a pair limit of square underframe, energy Slip measurement focus place coronalplane before and after on square underframe correspondence opposite side, coronalplane measures the company of bar, slide block and underframe Connect mode as shown in Figure 2；L-shaped sagittal plane is measured bar 6 and is arranged on limit, square underframe A point place, can be at square underframe Slip measurement focus place, left and right sagittal plane on limit, A point place, by the scale of movement converse focus to otch away from From；Connect to measure and be carved with normal line on the slide block of bar and fixed mechanism.

In practical operation, rotary screw 8 adjusting screw rod inside square underframe the length of extension to adapt to patient's head Size, clamps R type pin, and screw rod extension is provided with protection set 12, and protection patient skin is in order to avoid being scratched by screw rod； This fixing device is fixed on patient's head by four somes A, B, C, E, and wherein B, C point lays respectively at head two The porus acusticus externus of side, A point is positioned at forehead, and E point is positioned at top, porus acusticus externus and 3 place planes of forehead through canthomeatal line, To guarantee with baseline when CT or MRI scan in approximately the same plane, light decision plane work through the three of porus acusticus externus and forehead With, the one of top lights the effect securing the appliance to head；Locating desired data by trace system by focus scan CT sheet/MRI sheet data measurement and conversion provide, according to provide data slide up and down level measurement bar to slide block Upper normal line aligns with the graduation mark of data presented, determines the distance of focus and datum plane, before the data provided Rear slip coronalplane is measured bar and is alignd with the graduation mark of data presented to normal line on slide block, positions at frontal temporal part, Determine the incision site of operation, according to provide data horizontally slip sagittal plane measure bar to normal line on slide block with provided The graduation mark alignment of data, determines the degree of depth of operation.

Claims

1. drive a cranium positioner, at least include fixed mechanism and detent mechanism, it is characterised in that: fixed mechanism includes Square underframe, U-bracket I and U-bracket II, square underframe is provided with the connecting plate of four threaded through hole, U-shaped Support I includes two vertical rod a and d and connects the horizon bar of vertical rod a, d, and U-bracket II includes two vertical rod b With c and the horizon bar of connection vertical rod b, c, U-bracket I is equal with on the end of U-bracket II and two horizon bars Being provided with tapped through hole, U-bracket I and the end of U-bracket II are by through the screw rod of corresponding tapped through hole and square base The connecting plate of frame connects, and two horizon bars are that cross type is connected through the screw rod of tapped through hole by intersection；Location Mechanism is made up of three measurement bars, and respectively level measurement bar, coronalplane measures bar and sagittal plane measurement bar, Qi Zhongshui Plane survey bar takes the shape of the letter U, and is parallel to square underframe place plane, is arranged on vertical rod a, b, c upper and on vertical rod Sliding up and down, coronalplane is measured bar and is taken the shape of the letter U, and is parallel to U-bracket II place plane, is arranged on square underframe a pair Slide anteroposterior on limit and thereon, it is L-shaped that sagittal plane measures bar, is parallel to U-bracket I place plane, is arranged on On another opposite side of square underframe and horizontally slip thereon；Survey all it is carved with on vertical rod a, b, c, d and square underframe Amount scale.

Drive cranium positioner the most according to claim 1, it is characterised in that: square underframe and vertical rod a, b, c, Being equipped with chute on d, it is upper and along vertical rod that level measurement bar is arranged on vertical rod a, b, c by slide block or sliding sleeve Chute on a, b, c slides up and down, and coronalplane is measured bar and is arranged on a pair limit of square underframe also by slide block or sliding sleeve And the chute slide anteroposterior along square underframe correspondence opposite side, sagittal plane is measured bar and is arranged on square base by slide block or sliding sleeve Chute on another opposite side of frame and along this limit horizontally slips.

Drive cranium positioner the most according to claim 2, it is characterised in that: it is carved with normal line on described slide block or sliding sleeve.

Drive cranium positioner the most according to claim 1, it is characterised in that: the minimum indexing of described Measurement scales is 1mm。

Drive cranium positioner the most according to claim 1, it is characterised in that: screw rod two ends are equipped with spacing part, institute Stating spacing part is nut, split pin or R type pin.

Drive cranium positioner the most according to claim 1, it is characterised in that: described screw rod inside square underframe one End is provided with protection set.