CN2917582Y

CN2917582Y - Digital display brain stereotaxic instrument

Info

Publication number: CN2917582Y
Application number: CN 200620016851
Authority: CN
Inventors: 修先帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-04
Filing date: 2006-07-04
Publication date: 2007-07-04
Anticipated expiration: 2016-07-04

Abstract

The utility model relates to a digital-display stereotaxic apparatus, which comprises soleplate, U-shaped socket with fore-tooth fixer and ear rod arranged on the soleplate and positioning probe frame on the U socket. The probe frame is made up of X, Y, Z operation arms and fixing rod of the probe. The characteristic is that on the X, Y, Z operation arms are provided respectively with electron displacement sensing and displaying device. The utility model is scientifically, simply and easily structured. The disadvantages of using the electron displacement sensing and displaying device to measure and display moved distance of the operation arms are as follows: 1. Consistent with drawing precision to improve precision; 2. There is need for only once for reading, without need for calculation; the result displayed after measuring is rapid, direct and accurate, which avoids the defect with existing stereotaxic apparatus for errors easily caused by calculating the eyeballed vernier data, thereby improving the efficiency significantly.

Description

The digital display type brain solid positioner

Technical field

The brain position finder that is used for animal when the utility model relates to scientific experiments, especially a kind of digital display type brain solid positioner.

Technical background

At present, scientific experiments is the slide gauge type with animal brain position finder survey measurements display mode, by: base plate, be installed in base plate be provided with the U type seat of front tooth holder and ear bar and be installed in X, the Y on the U type seat, the three-dimensional position probe frame that the Z motion arm constitutes is formed.The X of described three-dimensional position probe frame, Y, Z motion arm are made of the motion bar of guide rail and band regulating handle usually, are respectively equipped with the vernier seat that can move along guide rail on X, Y, the Z motion arm, all indicate scale on the band regulating handle motion bar.The X motion arm is installed on the Z motion arm vernier seat, can handle the X motion arm by band regulating handle motion bar and move along the guide rail of Z motion arm; The vernier seat of described X motion arm is fixedly installed on the back side of Z motion arm vernier seat, and the probe stationary bar is installed in the guide rail end of X motion arm, can impel the guide rail of X motion arm to move axially by the adjusting rod of being with handle; Described Z motion arm is installed in by vertical rotating shaft and feathering axis on the vernier seat of Y motion arm, can handle the Z motion arm by band handle adjusting rod and move along the guide rail at the Y motion arm.Rely on said structure, X, the Y, the Z motion arm that are installed on the U type seat can divide X, Y, Z direction and level 360 degree rotations and vertical 180 degree rotations.Read corresponding coordinate values by scale on the band regulating handle motion bar and the scale on the vernier seat surface plate, can obtain the brain locator data through calculating then.

Existing brain position finder is actual when carrying out animal brain positioning action process, the probe fixing frame of position finder motion arm is moved to tangible anchor point of animal brain skull surface of pushing scalp aside, this anchor point is the very easy point of observing of a physiological structure that exposes after the animal scalp is cast aside, note the horizontal X axle of position finder and the reading of Y-axis at this some place according to the slide gauge mode, with this point is zero point, carry out corresponding calculated according to internationally recognized collection of illustrative plates then, draw the X-axis and the Y-axis coordinate figure of required anchor point, running fix instrument motion arm is to corresponding point, the Z axle is zero point with the skull surface, moves down the corresponding degree of depth according to collection of illustrative plates and arrives the localized point of needs.In this case, need carry out twice slide gauge reading, very trouble causes efficient lower, coordinate needs to calculate simultaneously, makes mistakes easily, and the precision of slide gauge is 100 microns in addition, actual collection of illustrative plates precision is 10 microns, and the precision that causes testing has restriction in various degree.

Summary of the invention

The purpose of this utility model is the deficiency that exists at above-mentioned brain solid positioner, provides a kind of need not to calculate, can directly read locator data, and the high digital display type brain solid positioner of precision.

This utility model digital display type brain solid positioner, comprise: base plate, be installed in base plate and be provided with the U type seat of front tooth holder and ear bar and be installed in the three-dimensional position probe frame that constitutes by X, Y, Z motion arm and probe stationary bar on the U type seat, it is characterized in that: be respectively equipped with the electron displacement sensing display apparatus on described X, Y, the Z motion arm.

Described electron displacement sensing display apparatus is a coral film digital display induction apparatus.

This utility model digital display type brain solid positioner design science, rational in infrastructure, simple.The advantage of display operation arm displacement is to adopt the electron displacement sensing display apparatus to measure also: one,, consistent with the precision of collection of illustrative plates because its measurement display precision is 10 microns, improved precision; Two, because the electron displacement sensing display apparatus has the function of making zero, after the first time, motion arm moved to animal brain anchor point, by zero key coordinate figure is made as zero, the coordinate figure that provides according to collection of illustrative plates directly moves to the motion arm probe fixing frame the corresponding position of needs research then, only need single reading, do not need to calculate, measure result displayed fast directly, accurately, overcome existing brain position finder range estimation cursor data and calculate the defective that leads to errors easily again, improved efficient greatly.

The concrete structure of this utility model digital display type brain solid positioner is provided in detail by the following drawings and embodiment.

Description of drawings

Fig. 1 is the structural representation of digital display type brain solid positioner;

Fig. 2 is a digital display type brain solid positioner plan structure sketch map shown in Figure 1;

Fig. 3 is a digital display type brain solid positioner backsight structural representation shown in Figure 1.

The specific embodiment

Embodiment: can be clear that from Fig. 1～3, the basic structure of digital display type brain solid positioner is identical with existing brain solid positioner, comprising: base plate 1, be installed in base plate 1 and be provided with the U type seat 4 of front tooth holder 2 and ear bar 3 and be installed in the three-dimensional position probe frame that is made of X, Y, Z motion arm 5,6,7 and probe stationary bar 8 on the U type seat 4.The X of described three-dimensional position probe frame, Y, Z motion arm 5,6,7 constitute by the motion bar of guide rail and band regulating handle, are respectively equipped with the vernier seat that can move along guide rail on X, Y, the Z motion arm 5,6,7.X motion arm 5 is installed on the vernier seat 71 of Z motion arm 7, can handle the X motion arm 5 that is fixedly mounted on the vernier seat 71 by band regulating handle 72 motion bars 73 and move along the guide rail 74 of Z motion arm 7; The vernier seat 51 of described X motion arm 5 is fixedly installed on vernier seat 71 back sides of Z motion arm 7, and probe stationary bar 8 is installed in guide rail 54 ends of X motion arm 5, can impel the guide rail 54 of X motion arm 5 to move axially by the adjusting rod 53 of being with handle 52; Described Z motion arm 7 is installed in guide rail 64 ends of Y motion arm 6 by vertical rotating shaft 9 and feathering axis 10.Described Y motion arm 6 is fixed on the U type seat 4 by vernier seat 61, can handle Z motion arm 7 by band handle 62 adjusting rods 63 and move axially at the qualification lower edge of vernier seat 61 guide rail 64.Rely on said structure, X, the Y, the Z motion arm 5,6,7 that are installed on the U type seat 4 can divide X, Y, Z direction and level 360 degree rotations and vertical 180 degree rotations.

The difference of this digital display type brain solid positioner and existing brain solid positioner is: be respectively equipped with the electron displacement sensing display apparatus on X, Y, the Z motion arm 5,6,7.Described electron displacement displacement display device is a coral film digital display induction apparatus, and it is made up of moving coral film A1 and digital display induction apparatus A2.Can be clear that from Fig. 1～3 be respectively equipped with moving coral film A1 on the

guide rail

54,64,74 of X, Y, Z motion arm, vernier seat 51,61,71 is respectively equipped with the digital display induction apparatus A2 that matches with moving coral film A1.Described moving coral film A1 sticks on

guide rail

54,64,74 surfaces respectively with glue.Described digital display induction apparatus A2 is fixed on the vernier seat 51,61,71 by screw respectively.

Operation principle and the process of coral film digital display induction apparatus on X, Y, Z motion arm 5,6,7 is:

See Fig. 3, because the vernier seat 51 of X motion arm 5 is fixed on vernier seat 71 back sides of Z motion arm 7, vernier seat 51 can only move axially at Z motion arm 7 upper edge guide rails 74 with vernier seat 71, and can not move axially along the guide rail 54 of X motion arm 5.Therefore, when rotating the regulating handle 52 of X motion arm 5, the guide rail 54 that posts moving grid film A1 that cooperates with X motion arm 5 vernier seats 51 can move axially, guide rail 54 on the throne moving past in the journey show with digital form by digital display induction apparatus A2 inductive displacement on its surperficial moving grid film A1 and the vernier seat 51 and with the displacement result.

See Fig. 2, be fixed on the U-shaped seat 4 that vernier seat 61 relative fixed can not move because Y motion arm 6 is provided with the vernier seat 61 of digital display induction apparatus A2.When rotating the regulating handle 62 of Y motion arm 6, the guide rail 64 that posts moving grid film A1 that cooperates with vernier seat 61 can move axially, guide rail 64 on the throne moving past in the journey show with digital form by digital display induction apparatus A2 inductive displacement on its surperficial moving grid film A1 and the vernier seat 61 and with the displacement result.

See Fig. 1 because guide rail 74 ends of Z motion arm 7 are fixed on guide rail 64 ends of Y motion arm 6 by vertical rotation axis and horizontal rotating shaft, guide rail 74 axially can not move.When rotating the regulating handle 72 of Z motion arm 7, the vernier seat 71 that is provided with digital display induction apparatus A2 can move axially along the guide rail 74 that posts moving grid film A1, and on the throne the moving past in the journey of digital display induction apparatus A2 shows with digital form by moving grid film A1 inductive displacement and with the displacement result.

Above content be in conjunction with concrete preferred implementation to further describing that this utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from this utility model design, its framework form can be flexible and changeable, can the subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that this utility model is determined by claims of being submitted to.

Claims

1, a kind of digital display type brain solid positioner, comprise: base plate, be installed in base plate and be provided with the U type seat of front tooth holder and ear bar and be installed in the three-dimensional position probe frame that constitutes by X, Y, Z motion arm and probe stationary bar on the U type seat, it is characterized in that: be respectively equipped with the electron displacement sensing display apparatus on described X, Y, the Z motion arm.

2, according to the described digital display type brain solid positioner of claim 1, it is characterized in that: described electron displacement sensing display apparatus is a coral film digital display induction apparatus.

3, according to the described digital display type brain solid positioner of claim 1, it is characterized in that: be respectively equipped with moving coral film on the guide rail of X, Y, Z motion arm, be respectively equipped with the digital display induction apparatus A2 that matches with moving coral film A1 on the vernier seat of X, Y, Z motion arm.

4, according to the described digital display type brain solid positioner of claim 3, it is characterized in that: described moving coral film A1 sticks on guide rail surface respectively with glue.

5, according to claim 3 or 4 described digital display type brain solid positioner, it is characterized in that: described digital display induction apparatus A2 is fixed on the vernier seat by screw.