CN210330527U - Endoscope head end part, electronic endoscope with head end part and endoscope system - Google Patents
Endoscope head end part, electronic endoscope with head end part and endoscope system Download PDFInfo
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- CN210330527U CN210330527U CN201920717859.2U CN201920717859U CN210330527U CN 210330527 U CN210330527 U CN 210330527U CN 201920717859 U CN201920717859 U CN 201920717859U CN 210330527 U CN210330527 U CN 210330527U
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- 238000005286 illumination Methods 0.000 claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 13
- 238000003384 imaging method Methods 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
The utility model discloses a mirror body head portion, including the head end portion body, at this internal head end seat of installing of head end, install formation of image lens group and at least one illumination lens group respectively along its axial on this head end seat be located on the head end seat the position department of formation of image lens group rear end is connected with the image sensor subassembly the front end of tip is connected with the head end cover before the mirror body, the front end of formation of image lens group and illumination lens group is worn to establish on this head end cover. And simultaneously the utility model discloses also disclose electronic endoscope and endoscope system with this mirror body head end portion, adopt this technical scheme, with formation of image lens group and illumination lens group direct mount on the head end seat, need not add other supplementary mounting structure, effectively saved head end inner space, the external diameter size of tip head end portion before the at utmost having reduced the mirror body has reduced assembly process and material processing cost, has guaranteed illumination lens group and formation of image lens group's assembly precision, improves image quality.
Description
Technical Field
The utility model relates to an endoscope system technical field, concretely relates to tip before mirror body and have electron endoscope and endoscope system of tip before this.
Background
The electronic endoscope is a device which is provided with a slender flexible insertion part and a camera device at the front end of the insertion part, can be inserted into a body cavity to acquire an intra-cavity scene image, and can realize real-time output display of the intra-cavity scene image by being connected with other equipment of an endoscope system. The front end of the insertion part is provided with a head end part which is matched with a system to realize the functions of image acquisition, water and air feeding windows, suction windows and the like. The endoscope is designed with an image pickup optical unit having an objective optical system and an illumination optical system for providing an illumination to the objective optical system at the distal end portion. It is known that the smaller the diameter of the insertion portion of the endoscope, the less pain the patient suffers during examination or treatment, and therefore the head end portion, which is the foremost end of the insertion portion, needs to be dimensioned as small as possible.
In the prior art, as shown in fig. 1, the objective lens group 11a and the objective lens barrel I are assembled as an integral module and then mounted on the head end base 11g, and the illumination lens group 11c and the illumination lens barrel II are assembled as an integral module and then mounted on the head end base 11 g. In the prior art, the objective lens barrel I and the illumination lens barrel II are added, so that the limited available space is occupied, and the size minimization design is not facilitated. Meanwhile, because the objective lens cone I and the illumination lens cone II are increased, the assembling process and the material processing cost are increased, and meanwhile, the accumulated assembling error is brought, and the integral imaging effect of the endoscope is influenced.
Disclosure of Invention
To the technical problem that exists at present, the utility model provides a mirror body head portion has optimized mirror body head portion layout structure design, can be on prior art basis at the biggest reduction head portion external diameter size, has also guaranteed illumination and shaping optical assembly's assembly precision simultaneously, improves image quality.
In order to achieve the purpose of the invention, the utility model provides the following technical scheme:
the utility model provides a mirror body cephalad portion, includes the cephalad portion body this internal head end seat of installing of cephalad portion installs formation of image lens group and at least one illumination lens group respectively along its axial on this head end seat be located on the head end seat the position department of formation of image lens group rear end is connected with the image sensor subassembly the front end of tip is connected with the cephalad end cover before the mirror body, the front end of formation of image lens group and illumination lens group is worn to establish on this cephalad end cover.
By adopting the technical scheme, the imaging lens group and the illuminating lens group are directly installed on the head end seat without adding other auxiliary installation structures, the inner space of the head end part is effectively saved, the outer diameter size of the head end seat of the front end part of the lens body is reduced to the maximum extent, the assembly process and the material processing cost are reduced, the assembly precision of the illuminating lens group and the imaging lens group is ensured, and the image quality is improved.
Preferably, the head end seat is provided with two illuminating lens groups along the axial direction, and a connecting line of the central line of the imaging lens group and the central lines of the two illuminating lens groups is in an isosceles triangle shape.
Preferably, a first hollow cylindrical portion extending in the axial direction of the head end base is arranged at a position close to the rear end of the head end base, the imaging lens group is arranged in the first hollow cylindrical portion in a penetrating mode, a second hollow cylindrical portion is arranged at the front end of the image sensor assembly, and the second hollow cylindrical portion is movably sleeved on the first hollow cylindrical portion.
So set up, the assembly precision has effectively been guaranteed through face of cylinder assembly with the head end seat is direct to the image sensor subassembly. In addition, when the image sensor assembly and the imaging lens are assembled, the front-back distance of the image sensor assembly needs to be adjusted to determine the optimal definition effect of an image, so that after the image sensor assembly is assembled on the head end seat, the image sensor assembly can move back and forth along the assembly cylindrical surface to determine the optimal position of the image sensor assembly.
Preferably, the head end base is provided with an attachment hole along a radial direction thereof, and a set screw having a lower end surface capable of contacting an outer peripheral surface of the second hollow columnar portion is attached to the attachment hole.
So set up, after confirming the best position of image sensor subassembly and head end seat, it is fixed with image sensor locking through the holding screw on the head end seat.
Preferably, a flat surface is provided on the outer peripheral surface of the second hollow columnar portion at a position facing the set screw, and the flat surface can contact with the lower end surface of the set screw.
According to the arrangement, the plane parallel to the lower end face of the set screw is designed on the outer peripheral face of the structural member of the image sensor assembly, so that when the image sensor assembly is locked by the set screw, the lower end face of the set screw is pressed onto the plane on the outer periphery of the image sensor assembly, and the positioning precision of the image sensor assembly can not be influenced while the locking is effectively realized.
An electronic endoscope comprises an insertion part, one end of the insertion part is connected with the end part of a lens body head, the other end of the insertion part is connected with an operation part, and a light guide part is connected to the operation part through a light guide hose.
An endoscope system with the electronic endoscope comprises an image processor host and a cold light source host, wherein the cold light source host is connected with the light guide part, the image processor host is electrically connected with the light guide part, and the image processor host is also electrically connected with a display.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model directly installs the imaging lens group and the lighting lens group on the head end seat, without adding other auxiliary installation structures, effectively saves the inner space of the head end, reduces the outer diameter of the head end seat of the head end of the lens body to the maximum extent, and reduces the pain degree of patients when in use; meanwhile, the assembling process and the material processing cost are reduced, the assembling precision of the illuminating lens group and the imaging lens group is ensured, and the image quality is improved.
Description of the drawings:
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an internal cross-sectional view of FIG. 2;
FIG. 4 is a schematic structural view of the imaging assembly of FIG. 2;
FIG. 5 is a schematic structural view of the imaging sensor assembly of FIG. 2;
FIG. 6 is a schematic structural view of the electronic endoscope;
fig. 7 is a schematic configuration diagram of the endoscope system.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The lens body head end portion shown in fig. 2 to 5 includes a head end portion body 11 having a columnar structure, a head end seat 11g is axially installed at a position close to the front end of the head end portion body 11, an imaging lens group 11a and two illuminating lens groups 11c are respectively and eccentrically installed on the head end seat 11g along the axial direction, and a connecting line between a center line of the imaging lens group 11a and center lines of the two illuminating lens groups 11c is an isosceles triangle. The position that lies in formation of image lens group 11a rear end on head end seat 11g is connected with image sensor subassembly 11h, is connected with head end cover 11e at the front end of mirror body front end portion 11, and the external diameter of head end cover 11e is the same with the external diameter of mirror body front end portion 11, and head end cover 11e covers head end seat 11g and seals in mirror body front end portion 11, and the front end of formation of image lens group 11a and illumination lens group 11c is worn to establish on this head end cover 11 e. The head end seat 11g is further provided with a water-air nozzle 11b, a surgical instrument channel 11d, an auxiliary water supply hole 11f along the axial direction thereof, the water-air nozzle 11b, the surgical instrument channel 11d, the auxiliary water supply hole 11f, and the structure and the arrangement thereof belong to the prior art, which are not described in detail herein, and the structures of the imaging lens group 11a, the illuminating lens group 11c, and the image sensor assembly 11h also belong to the prior art, which are not described in detail herein.
As can be seen from fig. 3, 4 and 5 in combination with fig. 2, a first hollow cylindrical portion m extending backward along the axial direction is disposed on the head end base 11g near the rear end thereof, the imaging lens group 11a axially penetrates through a central hole of the first hollow cylindrical portion m, a second hollow cylindrical portion n is disposed at the front end of the image sensor assembly 11h, and the second hollow cylindrical portion n is movably sleeved on the first hollow cylindrical portion m.
A mounting hole is radially arranged on the head end seat 11g, a set screw x is mounted in the mounting hole, a plane s is arranged on the outer peripheral surface of the mounting hole and opposite to the set screw x, and the plane s can be in contact with the lower end surface of the set screw x and then matched with the lower end surface of the set screw x to lock the image sensor assembly 11 h.
As shown in fig. 6, the electronic endoscope includes the above-mentioned endoscope head end portion, an insertion portion 12, an operation portion 13, a light guide hose 14 and a light guide portion 15 in sequence from front to back, one end of the insertion portion 12 is connected with the endoscope head end portion, the other end is connected with the operation portion 13, the operation portion 13 is connected with the light guide portion 15 through the light guide hose 14, and the structures and connection modes of the insertion portion 12, the operation portion 13, the light guide hose 14 and the light guide portion 15 are prior art and will not be described in detail herein.
The endoscope system with the electronic endoscope shown in fig. 7 comprises the electronic endoscope, the light guide part 15 of the electronic endoscope is connected with the cold light source host 3 through a connecting structure to realize the transmission of air pressure and an illumination light source of the cold light source host 3, and is connected with the image processor host 4 through the electric signal connecting line 2, the image processor host 4 is connected with the display 5 through an electric wire, and the light guide part 15 is provided with a water-air interface which is connected with the water-air bottle 6 through a water-air pipe.
The utility model discloses during the assembly, install imaging lens group 11a and two illumination lens group 11c and other part structures on the relevant position of head end seat 11g earlier, again with the hollow column portion n cover of second of image sensor subassembly 11h front end in the periphery of the first hollow column portion m of head end seat 11g, after image sensor 11h assembles on head end seat 11g, confirm its best position along cylinder fitting surface back-and-forth movement, after confirming best position, the lower extreme of holding screw x and the plane s in the hollow column portion n periphery of second contact image sensor 11h locking fixed, then, install assembled head end seat 11g in head end portion body 11, the device head end cover 11e can. The imaging lens group 11a, the illuminating lens group 11c and the image sensor assembly 11h are directly assembled on the head end base 11g without an additional auxiliary mounting structure. The assembly of other structures is known in the art.
Claims (7)
1. A lens head, including a head body (11), a head seat (11g) is installed in the head body (11), characterized in that: install formation of image lens group (11a) and at least one illumination lens group (11c) respectively along its axial on head end seat (11g) lie in on head end seat (11g) the position department of formation of image lens group (11a) rear end is connected with image sensor subassembly (11h) the front end of mirror body front end portion (1) is connected with head end cover (11e), the front end of formation of image lens group (11a) and illumination lens group (11c) is worn to establish on this head end cover (11 e).
2. The scope nose end of claim 1, wherein: two illuminating lens groups (11c) are axially arranged on the head end seat (11g), and the connecting line of the central line of the imaging lens group (11a) and the central lines of the two illuminating lens groups (11c) is in an isosceles triangle shape.
3. The scope nose end of claim 1, wherein: the image sensor is characterized in that a first hollow columnar part (m) extending along the axial direction of the head end seat (11g) is arranged at a position close to the rear end of the head end seat, the imaging lens group (11a) penetrates through the first hollow columnar part (m), a second hollow columnar part (n) is arranged at the front end of the image sensor component (11h), and the second hollow columnar part (n) is movably sleeved on the first hollow columnar part (m).
4. The scope nose end of claim 3, wherein: an installation hole is arranged on the head end seat (11g) along the radial direction, a set screw (x) is installed in the installation hole, and the lower end face of the set screw (x) can be in contact with the outer peripheral face of the second hollow columnar part (n).
5. The scope nose end of claim 4, wherein: and a plane(s) is arranged at the position, facing the set screw (x), on the outer peripheral surface of the second hollow columnar part (n), and can be contacted with the lower end surface of the set screw (x).
6. An electronic endoscope, characterized by: comprises an insertion part (12), one end of the insertion part (12) is connected with the end part of the lens body head of any one of claims 1 to 5, the other end is connected with an operation part (13), and the operation part (13) is connected with a light guide part (15) through a light guide hose (14).
7. An endoscope system having the electronic endoscope of claim 6, characterized in that: the LED light source comprises an image processor host (4) and a cold light source host (3), wherein the cold light source host (3) is connected with the light guide part (15), the image processor host (4) is electrically connected with the light guide part (15), and the image processor host (4) is also electrically connected with a display (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717859.2U CN210330527U (en) | 2019-05-20 | 2019-05-20 | Endoscope head end part, electronic endoscope with head end part and endoscope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717859.2U CN210330527U (en) | 2019-05-20 | 2019-05-20 | Endoscope head end part, electronic endoscope with head end part and endoscope system |
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| Publication Number | Publication Date |
|---|---|
| CN210330527U true CN210330527U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920717859.2U Active CN210330527U (en) | 2019-05-20 | 2019-05-20 | Endoscope head end part, electronic endoscope with head end part and endoscope system |
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| CN (1) | CN210330527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288012A (en) * | 2021-04-30 | 2021-08-24 | 上海澳华内镜股份有限公司 | Endoscope camera device |
| WO2023230998A1 (en) * | 2022-06-02 | 2023-12-07 | 武汉迈瑞医疗技术研究院有限公司 | Endoscope, endoscope head end structure, and endoscope camera system |
-
2019
- 2019-05-20 CN CN201920717859.2U patent/CN210330527U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288012A (en) * | 2021-04-30 | 2021-08-24 | 上海澳华内镜股份有限公司 | Endoscope camera device |
| WO2023230998A1 (en) * | 2022-06-02 | 2023-12-07 | 武汉迈瑞医疗技术研究院有限公司 | Endoscope, endoscope head end structure, and endoscope camera system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The head end of the endoscope body, the electronic endoscope with the head end and the endoscope system thereof Effective date of registration: 20210126 Granted publication date: 20200417 Pledgee: Agricultural Bank of China Limited Chongqing Yubei sub branch Pledgor: CHONGQING JINSHAN SCIENCE & TECHNOLOGY (GROUP) Co.,Ltd. Registration number: Y2021500000004 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220214 Granted publication date: 20200417 Pledgee: Agricultural Bank of China Limited Chongqing Yubei sub branch Pledgor: CHONGQING JINSHAN SCIENCE & TECHNOLOGY (GROUP) Co.,Ltd. Registration number: Y2021500000004 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Head end of lens body and electronic endoscope and endoscope system with the head end Effective date of registration: 20220627 Granted publication date: 20200417 Pledgee: Agricultural Bank of China Limited Chongqing Yubei sub branch Pledgor: CHONGQING JINSHAN SCIENCE & TECHNOLOGY (GROUP) Co.,Ltd. Registration number: Y2022500000034 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231020 Granted publication date: 20200417 Pledgee: Agricultural Bank of China Limited Chongqing Yubei sub branch Pledgor: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd.|BEIJING ZHONGJIN SILICON VALLEY TECHNOLOGY CO.,LTD.|CHONGQING JINSHAN SCIENCE & TECHNOLOGY (GROUP) Co.,Ltd. Registration number: Y2022500000034 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 401120 18 neon Road, two Road Industrial Park, Yubei District, Chongqing Patentee after: Chongqing Jinshan Technology Group Co.,Ltd. Country or region after: China Address before: 401120 18 neon Road, two Road Industrial Park, Yubei District, Chongqing Patentee before: CHONGQING JINSHAN SCIENCE & TECHNOLOGY (GROUP) Co.,Ltd. Country or region before: China |