CN204192858U - For the positioner at the eye socket surgery compliant tool tip of optical navigation system - Google Patents
For the positioner at the eye socket surgery compliant tool tip of optical navigation system Download PDFInfo
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- CN204192858U CN204192858U CN201420617336.8U CN201420617336U CN204192858U CN 204192858 U CN204192858 U CN 204192858U CN 201420617336 U CN201420617336 U CN 201420617336U CN 204192858 U CN204192858 U CN 204192858U
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- needle tubing
- reflection sphere
- positioner
- navigation system
- temporary tank
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Abstract
The utility model discloses a kind of positioner of the eye socket surgery compliant tool tip for optical navigation system, belong to medical instruments field, comprise guide portion, temporary storage part and spike portion, wherein, guide portion is hard needle tubing (1), and one end of described hard needle tubing (1) is with internal threaded mechanisms; Temporary storage part is made up of cover plate (5) and temporary tank (2), one end of described temporary tank (2) is with the external thread mechanism matched with described hard needle tubing (1) female thread, described hard needle tubing (1) adopts internal and external threads mechanism to be connected with described temporary tank (2), adopts draw-in groove to connect between described cover plate (5) and described temporary tank (2); Spike portion is made up of reflection sphere (3) and reflection sphere support (4), adopt between described reflection sphere (3) and described reflection sphere support (4) and be threaded, adopt welding between described reflection sphere support (4) and described temporary tank (2), described reflection sphere (3) surface coverage has native gold.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to eye socket surgical operation and computer assisted navigation system, is a kind of positioner of the eye socket surgery compliant tool tip for optical navigation system.
Background technology
Computer assisted navigation system is by the surgical assistant system of the technology organic combinations such as medical image, Computer Image Processing and space orientation, the accurate spatial locations of spike apparatus can be provided in real time, and inform the spatial relation between surgical doctor and surrounding tissue.
Current navigation system many employings infrared optical location technology, by identifying the position reference frame with infrared reflection source or emission source being fixed on skull, the world coordinate system of the virtual coordinate system and patient's reality of patient image being learned data does registration and registers, by identifying the position in infrared emitting source on operation tool and position reference frame or reflection sources, the locus of tracking and positioning operation instrument and patient, and be presented in navigation system display, make surgical doctor understand the information such as position, direction of operation tool.
The spike instrument of existing optical navigation system is all rigidity, will keep geo-stationary between the tip of instrument and spike structure, cannot the instrument of positioning flexible, as laser fiber etc.And magnetic coil can be sticked on the front end of compliant tool by magnetic navigation system, the summit of positioning flexible instrument, but this technology can only be applicable to laryngoscope, occasion that branchofiberoscope equal diameter is larger, and the precision of magnetic navigation cannot meet the requirement of eye socket surgery.Therefore, those skilled in the art is devoted to the positioner developing a kind of eye socket surgery compliant tool tip based on existing infrared optical location technology.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is the occasion needing high positioning precision at ophthalmologic operation etc., the accurate orientation problem at compliant tool tip.
For achieving the above object, this utility model provides a kind of positioner of the eye socket surgery compliant tool tip based on existing infrared optical location technology, comprise guide portion, temporary storage part and spike portion, wherein, described guide portion is hard needle tubing 1, and one end of described hard needle tubing 1 is with internal threaded mechanisms; Described temporary storage part is made up of cover plate 5 and temporary tank 2, one end of described temporary tank 2 is with the external thread mechanism matched with described hard needle tubing 1 female thread, described hard needle tubing 1 adopts internal and external threads mechanism to be connected with described temporary tank 2, adopts draw-in groove to connect between described cover plate 5 and described temporary tank 2; Described spike portion is made up of reflection sphere 3 and reflection sphere support 4, adopt between described reflection sphere 3 and described reflection sphere support 4 and be threaded, adopt welding between described reflection sphere support 4 and described temporary tank 2, described reflection sphere (3) surface coverage has native gold.
Further, described hard needle tubing (1) adopts rustless steel needle tubing.
Further, described hard needle tubing (1) internal diameter is 0.8 ~ 1.2mm.
Further, described cover plate (5) adopts injection mold manufacture, is transparent or semitransparent plastic material.
Further, described temporary tank (2) material is rustless steel, and shape is formed by panel beating Bending Processing.
Further, described reflection sphere support (4) material is rustless steel, and shape is formed by panel beating Bending Processing.
In better embodiment of the present utility model, the positioner at described eye socket surgery compliant tool tip comprises guide portion, temporary storage part, spike portion, wherein, guide portion is made up of the hard needle tubing 1 with female thread bindiny mechanism, temporary storage part is made up of cover plate 5 and temporary tank 2, one end of temporary tank 2 is with the external thread mechanism matched with hard needle tubing 1 female thread, and hard needle tubing 1 and temporary tank 2 adopt internal and external threads mechanism to be connected, and adopt draw-in groove to connect between cover plate 5 and temporary tank 2.Spike portion is made up of reflection sphere 3 and reflection sphere support 4, adopts and is threaded, adopt welding between reflection sphere support 4 and temporary tank 2 between reflection sphere 3 and reflection sphere support 4.
Hard needle tubing 1 adopts medical stainless steel puncture needle tubing, cover plate 5 adopts injection mold manufacture, it can be transparent or semitransparent plastic material, temporary tank 2 material is rustless steel, shape is formed by panel beating Bending Processing, reflection sphere support 4 material is rustless steel, and shape is also formed by panel beating Bending Processing, and reflection sphere 3 surface coverage has the material infrared ray of specific wavelength to strong reflection.
Positioner described in the utility model, be connected with the hard in spike portion by guide portion, temporary storage part, form the aciculiform device of traceable, hard a, hollow, reflection sphere can reflect the infrared ray of the specific wavelength that the infrared emitting source on navigation system main frame sends, system host identification and location can be navigated, therefore, the positional information of the needle point end points of described device can be precisely determined.On this basis, can by compliant tool, such as medical laser optical fiber, inserts in the needle tubing of guide portion, enters human body, can accurately arrive object position with needle point.
Positioning device structure described in the utility model is simple, and difficulty of processing is low; Based on existing Navigation System Platform, without the need to the module that develops software; Compared to the instrument of interim assembling, its Stability Analysis of Structures of integrated instrument, positioning precision is high.The blood of the bootable operative region of orientation tool described in the utility model or pus flow to, and avoid directly overflowing contaminated operation region.Under the guiding of orientation tool described in the utility model, accurately can know the position of fiber optic tip, in guaranteeing that it is all the time in target area, avoid damaging other important organizational structuries around.
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the three-dimensional view of a preferred embodiment of the present utility model
Detailed description of the invention
As shown in Figure 1, eye socket surgery compliant tool positioner described in the utility model is made up of three parts, guide portion, temporary storage part, spike portion, wherein, guide portion is the hard rustless steel needle tubing 1 of one end with internal threaded mechanisms, the interior diameter of pin is 0.8 ~ 1.2mm, passes through for compliant tool, such as medical laser optical fiber.Temporary storage part is made up of cover plate 5 and temporary tank 2, and one end of temporary tank 2 is with the external thread mechanism matched with hard needle tubing 1 female thread, and hard needle tubing 1 and temporary tank 2 adopt internal and external threads mechanism to be connected, and adopt draw-in groove to connect between cover plate 5 and temporary tank 2.The blood, body fluid or the suppurative liquid that reflux when can store puncture in temporary tank 2.Spike portion is made up of reflection sphere 3 and reflection sphere support 4, adopts and is threaded, adopt welding between reflection sphere support 4 and temporary tank 2 between reflection sphere 3 and reflection sphere support 4.Reflection sphere 3 becomes certain geometric space by least three infrared reflection set of balls, locates for navigation system identification.Reflection sphere 3 surface coverage has the material infrared ray of specific wavelength to strong reflection, such as native gold.
After Registration completes and accuracy checking is satisfied, positioner described in the utility model is carried out to the calibration of precision, make instrumental error be less than 1mm.Under navigation guide, the hard needle tubing 1 of positioner described in the utility model inserted tumor body or enter the nose lacrimal passage being shifted and blocking along lacrimal ductule, the obstructive position of tumor body or nose lacrimal passage is positioned at by navigation system positioning confirmation needle point, laser beam is inserted in needle tubing 1, the length that optical fiber enters is roughly consistent with the length of hard needle tubing 1, and make optical fiber front end just exceed needle point 1 ~ 2mm, tumor body or obstruction are burnt and melts, to realize the object reducing tumor volume safely and effectively or eliminate clogging tissue.When entering tumor body or nose lacrimal passage, blood or pus can enter temporary tank 2 along needle tubing 1, arranging of cover plate 5 can avoid blood or pus to overflow from temporary tank 2, generally speaking, the blood of the bootable operative region of orientation tool described in the utility model or pus flow to, and avoid directly overflowing contaminated operation region.Under the guiding of orientation tool described in the utility model, accurately can know the position of fiber optic tip, in guaranteeing that it is all the time in target area, avoid damaging other important organizational structuries around.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that the ordinary skill of this area just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technical staff in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (6)
1. the positioner for the eye socket surgery compliant tool tip of optical navigation system, it is characterized in that, comprise guide portion, temporary storage part and spike portion, wherein, described guide portion is hard needle tubing (1), and one end of described hard needle tubing (1) is with internal threaded mechanisms; Described temporary storage part is made up of cover plate (5) and temporary tank (2), one end of described temporary tank (2) is with the external thread mechanism matched with described hard needle tubing (1) female thread, described hard needle tubing (1) adopts internal and external threads mechanism to be connected with described temporary tank (2), adopts draw-in groove to connect between described cover plate (5) and described temporary tank (2); Described spike portion is made up of reflection sphere (3) and reflection sphere support (4), adopt between described reflection sphere (3) and described reflection sphere support (4) and be threaded, between described reflection sphere support (4) and described temporary tank (2), adopt welding; Described reflection sphere (3) surface coverage has native gold.
2. the positioner at a kind of eye socket surgery compliant tool tip for optical navigation system as claimed in claim 1, is characterized in that, described hard needle tubing (1) adopts rustless steel needle tubing.
3. the positioner at a kind of eye socket surgery compliant tool tip for optical navigation system as claimed in claim 1, it is characterized in that, described hard needle tubing (1) internal diameter is 0.8 ~ 1.2mm.
4. the positioner at a kind of eye socket surgery compliant tool tip for optical navigation system as claimed in claim 1, is characterized in that, described cover plate (5) adopts injection mold manufacture, is transparent or semitransparent plastic material.
5. the positioner at a kind of eye socket surgery compliant tool tip for optical navigation system as claimed in claim 1, it is characterized in that, described temporary tank (2) material is rustless steel, and shape is formed by panel beating Bending Processing.
6. the positioner at a kind of eye socket surgery compliant tool tip for optical navigation system as claimed in claim 1, it is characterized in that, described reflection sphere support (4) material is rustless steel, and shape is formed by panel beating Bending Processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617336.8U CN204192858U (en) | 2014-10-23 | 2014-10-23 | For the positioner at the eye socket surgery compliant tool tip of optical navigation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617336.8U CN204192858U (en) | 2014-10-23 | 2014-10-23 | For the positioner at the eye socket surgery compliant tool tip of optical navigation system |
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| CN204192858U true CN204192858U (en) | 2015-03-11 |
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| CN201420617336.8U Active CN204192858U (en) | 2014-10-23 | 2014-10-23 | For the positioner at the eye socket surgery compliant tool tip of optical navigation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287886A (en) * | 2014-10-23 | 2015-01-21 | 上海交通大学医学院附属第九人民医院 | Orbital surgical flexible tool tip positioning device for optical navigation system |
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2014
- 2014-10-23 CN CN201420617336.8U patent/CN204192858U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287886A (en) * | 2014-10-23 | 2015-01-21 | 上海交通大学医学院附属第九人民医院 | Orbital surgical flexible tool tip positioning device for optical navigation system |
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