CN203493606U - Sinoscope optical system - Google Patents
Sinoscope optical system Download PDFInfo
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- CN203493606U CN203493606U CN201320537875.6U CN201320537875U CN203493606U CN 203493606 U CN203493606 U CN 203493606U CN 201320537875 U CN201320537875 U CN 201320537875U CN 203493606 U CN203493606 U CN 203493606U
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Abstract
The utility model relates to an optical system, in particular to a sinoscope optical system, which is a medical apparatus. The sinoscope optical system comprises an object lens system and rod lens systems. Three pairs of rod lens systems which are continuously distributed at intervals are arranged on the right side of the object lens system. The object lens system consists of a minus lens I, a minus lens II, a plus lens I and a plus lens II. The minus lens I, the minus lens II, the plus lens I and the plus lens II are continuously distributed at intervals from the left to the right. Each rod lens system consists of two pairs of image transfer systems which are symmetrically distributed at intervals. The sinoscope optical system has the advantages that the structure is compact, good observation conditions can be provided and the operation reliability is improved.
Description
Technical field
This utility model is a kind of optical system, and particularly a kind of nasal sinuses mirror optical system, is a kind of medical apparatus and instruments.
Background technology
Nasal sinuses mirror of the prior art, without the large objective system of large visual field, small-bore and the depth of field and the application of high brightness relay system light path, cannot provide better observation condition, causes the difficulty of operation to increase.
Chinese patent 200820169931.4, discloses a kind of high temperature high voltage resistant nasal sinuses mirror, and it is mainly suitable in people's operation on nasal sinus.This utility model comprises outer telescop, mirror pipe, spacer tube, front object lens, object lens, main body, fiber bench, adjusting seat, adjustment pipe, eyepiece, eye end connecting tube, eyepiece hood and eye end protect tab; it is characterized in that: be also provided with thing end screening glass, microscope base, objective lens tube, interval and eye end sealing and take over; described thing end screening glass and microscope base are fixed, and microscope base and mirror pipe are fixed; Objective lens tube and interval are bonding; One end that eye end sealing is taken over and described main body are welded, and the other end and eye end protect tab are fixed; Described outer telescop and main body welding, fiber bench is welded after being connected with main body screw again.Nasal sinuses mirror described in this structure, cannot provide the observation condition of large visual field, the large depth of field.
Summary of the invention
This utility model is mainly to solve the deficiencies in the prior art, and compact conformation, under the prerequisite of identical excellent mirror diameter, is realized large visual field, the large depth of field; And effectively raise luminous flux, increased the field luminance of endoscope, make doctor in operation, have better observation condition, improved a kind of nasal sinuses mirror optical system of operation reliability.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of nasal sinuses mirror optical system, comprise objective system and excellent mirror system, the right side of described objective system is provided with three pairs of continuous excellent mirror systems spaced apart mutually, described objective system is comprised of minus lens I, minus lens II, plus lens I and plus lens II, described minus lens I, minus lens II, plus lens I and plus lens II are from a left side from right consecutive intervals and distribute, and described excellent mirror system is by two pairs the relay systems that symmetrical interval shape distributes and forms.
Operation principle: by object space a bit, after objective system, relay system, become a picture in image space.Because the visual field of object lens is large, focal length is short, object lens are selected anti-long distance structure, adopt the form of negative positive lens groups separation, lens front group adopts negative lens group, and lens rear group adopts positive lens groups, when collimated light beam people penetrates, premenstrual group disperse after, by rear group, be imaged on focal plane.Like this, just make object lens interarea shift out outside object lens backward, thereby obtain the operating distance longer than focal length.And after premenstrual group of the larger axle outer light beam of the angle of visual field disperses, with respect to rear group, the angle of visual field diminishes, thereby reaches the object of Radix Rumicis.Distance L=0.5～2mm between relay system two mirrors.It is 1.25 times of common mirror group structured light flux that this structure can make the luminous flux of mirror group.
As preferably, described plus lens I and plus lens II are matched and are bonded by eyeglass I and eyeglass II respectively, and described relay system is matched and is bonded by eyeglass III and eyeglass IV.
As preferably, the spacing L between described relay system is 0.5～2mm.
Therefore, a kind of nasal sinuses mirror optical system that this utility model provides, compact conformation, provides good observation condition, improves the reliability of operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: as shown in Figure 1, a kind of nasal sinuses mirror optical system, comprise objective system and excellent mirror system 1, the right side of described objective system is provided with three pairs of continuous excellent mirror systems 1 spaced apart mutually, described objective system is comprised of minus lens I 2, minus lens II 3, plus lens I 4 and plus lens II 5, described minus lens I 2, minus lens II 3, plus lens I 4 and plus lens II 5 are from a left side from right consecutive intervals and distribute, and described excellent mirror system 1 is by two pairs the relay systems 6 that symmetrical interval shape distributes and forms.Described plus lens I 4 and plus lens II 5 are matched and are bonded by eyeglass I 7 and eyeglass II 8 respectively, and described relay system 6 is matched and is bonded by eyeglass III 9 and eyeglass IV 10.The spacing L that described relay system is 6 is 0.5～2mm.
Claims (3)
1. a nasal sinuses mirror optical system, it is characterized in that: comprise objective system and excellent mirror system (1), the right side of described objective system is provided with three pairs of continuous excellent mirror systems (1) spaced apart mutually, described objective system is by minus lens I (2), minus lens II (3), plus lens I (4) and plus lens II (5) form, described minus lens I (2), minus lens II (3), plus lens I (4) and plus lens II (5) are from a left side from right consecutive intervals and distribute, described excellent mirror system (1) is comprised of two pairs of relay systems (6) that are the shape distribution of symmetrical interval.
2. a kind of nasal sinuses mirror optical system according to claim 1, it is characterized in that: described plus lens I (4) and plus lens II (5) are matched and are bonded by eyeglass I (7) and eyeglass II (8) respectively, described relay system (6) is matched and is bonded by eyeglass III (9) and eyeglass IV (10).
3. a kind of nasal sinuses mirror optical system according to claim 1 and 2, is characterized in that: the spacing L between described relay system (6) is 0.5～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537875.6U CN203493606U (en) | 2013-09-02 | 2013-09-02 | Sinoscope optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537875.6U CN203493606U (en) | 2013-09-02 | 2013-09-02 | Sinoscope optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203493606U true CN203493606U (en) | 2014-03-26 |
Family
ID=50324618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320537875.6U Expired - Lifetime CN203493606U (en) | 2013-09-02 | 2013-09-02 | Sinoscope optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203493606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345429A (en) * | 2014-05-04 | 2015-02-11 | 中国科学院光电研究院 | Optical system of camera adapter for endoscope |
| CN113616142A (en) * | 2021-08-09 | 2021-11-09 | 浙江天松医疗器械股份有限公司 | 4K paranasal sinuscope |
-
2013
- 2013-09-02 CN CN201320537875.6U patent/CN203493606U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345429A (en) * | 2014-05-04 | 2015-02-11 | 中国科学院光电研究院 | Optical system of camera adapter for endoscope |
| CN104345429B (en) * | 2014-05-04 | 2017-02-15 | 中国科学院光电研究院 | Optical system of camera adapter for endoscope |
| CN113616142A (en) * | 2021-08-09 | 2021-11-09 | 浙江天松医疗器械股份有限公司 | 4K paranasal sinuscope |
| CN113616142B (en) * | 2021-08-09 | 2023-08-29 | 浙江天松医疗器械股份有限公司 | 4K nasosinusitis |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |