CN218074934U - Clear medical endoscope of 4K superelevation of can zooming - Google Patents
Clear medical endoscope of 4K superelevation of can zooming Download PDFInfo
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- CN218074934U CN218074934U CN202221858266.6U CN202221858266U CN218074934U CN 218074934 U CN218074934 U CN 218074934U CN 202221858266 U CN202221858266 U CN 202221858266U CN 218074934 U CN218074934 U CN 218074934U
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Abstract
The utility model discloses a zoom 4K ultrahigh-definition medical endoscope, which comprises an objective lens group, an image rotating rod lens group and an eyepiece lens group which are arranged in sequence from the object side along the optical axis direction; the objective lens group comprises an outer tube, an inner tube and an objective lens protection sheet, wherein a plurality of lenses are sequentially arranged behind the objective lens protection sheet; the image rotating rod mirror group comprises a plurality of image rotating rod mirrors; the eyepiece group comprises a rear lens body, and an eyepiece barrel and an eyepiece cover are arranged on the rear lens body; the main body is led out of a main body optical fiber seat, and an optical fiber is connected in the main body optical fiber seat through a light guide nozzle. The utility model discloses a high resolution objective group adds the optical lens body that changes the excellent mirror group of image and satisfies 4K high-resolution imaging demand, and the system architecture that changes the excellent mirror group of image makes three-dimensional endoscope working length reach 400mm, compares under the same magnification condition of ordinary medical endoscope, and the field of vision size improves 1.4 times to increase the camera lens of zooming, focus adjustable range reaches 18 ~ 135mm.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to clear medical endoscope of 4K superelevation can zoom.
Background
The minimally invasive endoscope technology is generated based on a medical endoscope in clinic, is a technology dependent on medical instruments and equipment, has high accuracy and fineness, is stripped out of an operation cavity through a small incision in clinic, is inserted with an endoscope lens and various instruments to complete a series of operation operations, and is widely applied to various inspection and minimally invasive operations at present.
Advantages of the endoscopic technique application: (1) the operation incision is short and small, the scar is less, and the damage to the cutaneous nerve is less; (2) the operation is performed under direct vision, the dissection level is clear, and unnecessary nerve and blood vessel damage under blind vision can be avoided; (3) the operation injury is small, the complication is few, and the postoperative reaction is light; (4) the postoperative recovery is fast, the hospitalization time is short, and the operation pain is less. Therefore, higher resolution and wider visual field are the best guarantee of the endoscope minimally invasive technology, and the real 4K operation visual field can be achieved only by matching a 4K high-definition medical endoscope with a 4K medical endoscope camera system.
The resolution of the existing medical endoscope is only ordinary high definition, can only meet the requirements of general operations and cannot meet the requirements of high-precision operations, the focal length is not adjustable, the operation is not convenient and fast in the operation process, and under the same magnification, image output cannot provide a wider operation visual field for the operations.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a its aim at overcome prior art not enough, provide the clear medical endoscope of 4K superelevation that can zoom.
The utility model provides a technical scheme that its technical problem adopted is: a zoom 4K ultra-high-definition medical endoscope comprises an objective lens group, an image rotating rod lens group and an eyepiece lens group which are sequentially arranged from the object side along the optical axis direction; the objective lens group structure is a direct-view objective lens structure or an oblique-view objective lens structure and comprises an outer tube fixed on the main body and an inner tube arranged in the outer tube, wherein an objective lens protection sheet is arranged at the front end of the inner tube, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens are sequentially arranged behind the objective lens protection sheet, a first spacer rod is arranged between the third lens and the fourth lens, a second spacer rod is arranged between the fifth lens and the sixth lens, and a third spacer rod is arranged behind the seventh lens; the image rotating rod mirror group comprises an image rotating rod mirror I, an image rotating rod mirror II, an image rotating rod mirror III, an image rotating rod mirror IV and an image rotating rod mirror V which are sequentially arranged behind the spacer rod III, wherein the spacer rod IV is arranged between the image rotating rod mirror I and the image rotating rod mirror II, and the spacer rod V is arranged between the image rotating rod mirror III and the image rotating rod mirror IV; the eyepiece group comprises a rear lens body connected to the rear part of the main body through a main body joint, an eyepiece barrel positioned behind the inner tube is arranged in the rear lens body, a diaphragm is arranged in the eyepiece barrel, a first eyepiece and a second eyepiece are arranged behind the diaphragm, an eyepiece adjusting ring is arranged outside the eyepiece barrel, an eyepiece cover is arranged on the rear lens body, and an eyepiece protecting sheet is arranged on the eyepiece cover; the main body is led out of a main body optical fiber seat, and an optical fiber is connected in the main body optical fiber seat through a light guide nozzle.
According to the variable-focus 4K ultra-high-definition medical endoscope, a first light guide connector and a second light guide connector are sequentially arranged outside an optical fiber of the endoscope, a third light guide connector is arranged on the second light guide connector, and a color ring and a fourth light guide connector are respectively arranged outside the second light guide connector and the third light guide connector.
The zoom 4K ultrahigh-definition medical endoscope is characterized in that a rod lens compression barrel and an adjusting seat which are fixed at the rear end of an inner tube are arranged in a main body joint, and a compression spring is arranged between the rod lens compression barrel and the adjusting seat.
The zoom 4K ultra-high-definition medical endoscope is characterized in that a first lens is fixed in an inner tube through an objective lens base.
The utility model has the advantages that: the optical lens body of the high-resolution objective lens group and the image rotating rod lens group meets the requirement of 4K high-resolution imaging, the system structure of the image rotating rod lens group enables the working length of the stereoscopic endoscope to reach 400mm, the visual field size is improved by 1.4 times compared with that of a common medical endoscope under the condition of the same magnification, the zoom lens is added, and the adjustable range of the focal length reaches 18-135 mm. And the number of lenses in the image transfer system structure of the optical system is reduced, the processing and assembly are simple, the cost is low, the image contrast is high, and the 4K high-resolution imaging requirement is met.
Drawings
FIG. 1 is an overall view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
The figures are numbered: 01-objective lens group, 02-image rotating rod lens group, 03-eyepiece lens group, 1-outer tube, 2-inner tube, 3-objective lens protection plate, 4-first lens, 5-objective lens seat, 6-second lens, 7-third lens, 8-first spacer, 9-fourth lens, 10-fifth lens, 11-second spacer, 12-sixth lens, 13-seventh lens, 14-third spacer, 151-first image rotating rod lens, 152-second image rotating rod lens, 153-third image rotating rod lens, 154-fourth image rotating rod lens, 155-fifth image rotating rod lens, 17-fourth spacer, 18-fifth spacer, 19-main body, 20-main body joint, 21-rod lens pressing cylinder, 22-pressing spring, 23-adjusting seat, 24-eyepiece adjusting ring, 25-pressing ring, 26-eyepiece lens barrel, 27-diaphragm, 28-first eyepiece, 29-second eyepiece, 30-rear lens body, 31-eyepiece lens, 32-eyepiece lens cover, 33-main body, 35-third eyepiece lens pressing ring, 38-light guide lens joint, 35-light guide lens joint, 38-light guide lens joint, light guide rod joint, 35-light guide rod joint, and light guide rod joint.
Detailed Description
To further illustrate the objects and technical solutions of the present invention, the present invention will be described in further detail with reference to the following specific embodiments of the drawings. The following examples are only for explaining the present invention and do not constitute a limitation of the present invention.
Referring to fig. 1 and 2, the utility model discloses a zoom 4K super high definition medical endoscope, which comprises an objective lens group 01, a relay rod lens group 02 and an eyepiece group 03 which are arranged in sequence from the object side along the optical axis direction.
The objective lens group 01 structure is a direct-view objective lens structure or an oblique-view objective lens structure and comprises a stainless steel main body 19 of 16.5 x 30, a phi 5 x 4.7 x 322 outer tube 1 fixed on the main body 19 and a phi 3 x 2.8 x 350 inner tube 2 arranged in the outer tube 1, wherein the front end of the inner tube 2 is provided with a phi 2.8 x 2.078 objective lens protection plate 3, the rear side of the objective lens protection plate 3 is sequentially provided with a phi 2 x 1.2 lens I4, a phi 2.8 x 6 lens II 6, a phi 2.8 x 1 lens III 7, a phi 2.8 x 3.114 lens IV 9, a phi 2.8 x 1.648 lens 10, a phi 2.8 x 3.049 lens six 12 and a phi 2.8 x 1.455 lens seven 13, the first lens 4 is fixed in the inner tube 2 through a phi 2.8 gamma 1.4 objective lens seat 5, a phi 2.8 gamma 2.6 gamma 0.3 spacer 8 is arranged between the third lens 7 and the fourth lens 9, a phi 2.8 gamma 2.6 gamma 5.52 spacer two 11 is arranged between the fifth lens 10 and the sixth lens 12, and a phi 2.8 gamma 2.6 gamma 6.93 spacer three 14 is arranged behind the seventh lens 13. Wherein the objective lens protection plate 3 is K9 sapphire.
The image transferring rod lens group 02 comprises a first image transferring rod lens 151, a second image transferring rod lens 152, a third image transferring rod lens 153, a fourth image transferring rod lens 154 with phi 2.8 gamma 25 and a fifth image transferring rod lens 155 with phi 2.8 gamma 2.2465 which are sequentially arranged behind a third spacer rod 14, wherein the fourth image transferring rod lens 154 is K9 sapphire, and the fifth image transferring rod lens 155 is a BAF8 lens. Phi 2.8 x 2.6 x 7.45 spacer four 17 is arranged between the first image rotating rod mirror 151 and the second image rotating rod mirror 152, and phi 2.8 x 2.6 x 5.51 spacer five 18 is arranged between the third image rotating rod mirror 153 and the fourth image rotating rod mirror 154.
The eyepiece group 03 comprises a phi 15 gamma 29 rear lens body 30 connected to the rear of a main body 19 through a phi 13.5 gamma 13.5 main body joint 20, a phi 6.6 gamma 14.1 eyepiece barrel 26 located at the rear of an inner tube 2 is arranged in the rear lens body 30, a phi 5 gamma 4 diaphragm 27 is arranged in the eyepiece barrel 26, a phi 5 gamma 2.7 eyepiece first 28 and a phi 5 gamma 2.5 eyepiece second 29 are arranged behind the diaphragm 27, a phi 8 gamma 8 eyepiece adjusting ring 24 is arranged outside the eyepiece barrel 26 through a phi 11 gamma 7 gamma 3 eyepiece pressing ring 25 and a screw 39, an eyepiece cover 32 is arranged on the rear lens body 30, a phi 8 gamma 2 protection plate 31 is arranged on the eyepiece cover 32, a main body optical fiber seat 33 is led out of the main body 19, a glass fiber guide optical fiber 40 is connected to the main body optical fiber seat 33 through a glass fiber guide mouth 41, and the optical fiber 40 comes out of the light guide joint.
The light guide device is characterized in that a phi 9.5 gamma 7 light guide joint I34 and a phi 11 gamma 17.5 light guide joint II 35 are sequentially arranged outside the optical fiber 40, a phi 9 gamma 11.5 light guide joint III 36 is arranged outside the light guide joint II 35, and a phi 11 gamma 10 gamma 1.8 color ring 37 and a phi 12 gamma 21 light guide joint IV 38 are respectively arranged outside the light guide joint II 35 and the light guide joint III 36.
The main body joint 20 is internally provided with a phi 5.5 x 7.5 rod mirror pressing cylinder 21 and a phi 13 x 10 adjusting seat 23 which are fixed at the rear end of the inner tube 2, a pressing spring 22 is arranged between the rod mirror pressing cylinder 21 and the adjusting seat 23, the objective lens group 01 is assembled in advance to be integrally arranged in the inner tube 2, the small assembly tolerance is ensured, the image rotating rod mirror is pressed by the rod mirror pressing cylinder 21 after being assembled, then the pressing spring 22 is assembled, and the spring and the rod mirror are fixed by a spring retaining ring.
The utility model discloses an eyepiece protection piece 31 is sapphire (K9), lens one 4 is lanthanum flint optical glass (H-LAF 50), objective seat 5, conductor spacer 8, conductor spacer two 11, conductor spacer three 14, conductor spacer four 17, conductor spacer five 18, rod mirror clamping cylinder 21, adjusting seat 23, eyepiece adjusting ring 24, eyepiece clamping ring 25, eyepiece barrel 26, diaphragm 27 and leaded light joint 34 are brass (H59) material, two glass veneer of eyepiece two 29 of eyepiece 28 and ZF2 material of K9 material form the eyepiece, color circle 37 is aluminium, lens two 6 and lens three 7 are ZF3 glass, lens five 10 is QF6 glass, lens six 12 are LAK11, lens seven 13 is H-ZF52 glass, lens four 9 are LAF50. The outer tube 1, the inner tube 2, the main body 19, the main body joint 20, the compression spring 22, the rear mirror body 30, the main body optical fiber seat 33, the second light guide joint 35, the third light guide joint 36, the fourth light guide joint 38, the screw 39 and the light guide nozzle 41 are all made of stainless steel.
The utility model discloses a high resolution objective group adds the optical lens body that changes the excellent mirror group of image and satisfies 4K high-resolution imaging demand, and the system architecture that changes the excellent mirror group of image makes three-dimensional endoscope working length reach 400mm, compares under the same magnification condition of ordinary medical endoscope, and the field of vision size improves 1.4 times to increase the camera lens of zooming, focus adjustable range reaches 18 ~ 135mm. And the number of lenses in the image transfer system structure of the optical system is reduced, the processing and assembly are simple, the cost is low, the image contrast is high, the angular resolution is higher compared with that of a common medical endoscope, and the requirement of 4K high-resolution imaging is met.
The utility model discloses a main technical index does: the outer diameter is 5mm; the working length is 330mm; image resolution 3840 × 2160; the field angle is 90 degrees; the depth of field ranges from 18 mm to 100mm; the focal length can be adjusted to 18-135 mm; the total length is 378mm; working distance 315mm.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, and all modifications, equivalents and improvements that fall within the spirit and scope of the invention are intended to be included therein.
Claims (4)
1. A variable-focus 4K ultrahigh-definition medical endoscope is characterized in that: comprises an objective lens group (01), an image rotating rod lens group (02) and an eyepiece lens group (03) which are arranged in sequence along the optical axis direction;
the objective lens group (01) comprises an outer tube (1) fixed on a main body (19) and an inner tube (2) arranged in the outer tube (1), wherein an objective lens protection sheet (3) is installed at the front end of the inner tube (2), a first lens (4), a second lens (6), a third lens (7), a fourth lens (9), a fifth lens (10), a sixth lens (12) and a seventh lens (13) are sequentially arranged behind the objective lens protection sheet (3), a first spacer bar (8) is arranged between the third lens (7) and the fourth lens (9), a second spacer bar (11) is arranged between the fifth lens (10) and the sixth lens (12), and a third spacer bar (14) is arranged behind the seventh lens (13);
the image-rotating rod mirror group (02) comprises a first image-rotating rod mirror (151), a second image-rotating rod mirror (152), a third image-rotating rod mirror (153), a fourth image-rotating rod mirror (154) and a fifth image-rotating rod mirror (155) which are sequentially arranged behind a third spacer rod (14), a fourth spacer rod (17) is arranged between the first image-rotating rod mirror (151) and the second image-rotating rod mirror (152), and a fifth spacer rod (18) is arranged between the third image-rotating rod mirror (153) and the fourth image-rotating rod mirror (154);
the eyepiece group (03) comprises a rear lens body (30) connected to the rear of a main body (19) through a main body joint (20), an eyepiece sleeve (26) positioned at the rear of an inner tube (2) is arranged in the rear lens body (30), a diaphragm (27) is arranged in the eyepiece sleeve (26), a first eyepiece (28) and a second eyepiece (29) are arranged at the rear of the diaphragm (27), an eyepiece adjusting ring (24) is arranged outside the eyepiece sleeve (26), an eyepiece cover (32) is arranged on the rear lens body (30), an eyepiece protective sheet (31) is arranged on the eyepiece cover (32),
the main body (19) is led out of a main body optical fiber seat (33), and an optical fiber (40) is connected in the main body optical fiber seat (33) through a light guide nozzle (41).
2. The variable-focus 4K ultra-high-definition medical endoscope is characterized in that a first light guide connector (34) and a second light guide connector (35) are sequentially arranged outside the optical fiber (40), the second light guide connector (35) is provided with a third light guide connector (36), and a color ring (37) and a fourth light guide connector (38) are respectively arranged outside the second light guide connector (35) and the third light guide connector (36).
3. The medical endoscope with the variable focus of 4K and the ultra-high definition according to claim 1, characterized in that a rod lens compression cylinder (21) and an adjusting seat (23) fixed at the rear end of the inner tube (2) are arranged in the main body joint (20), and a compression spring (22) is arranged between the rod lens compression cylinder (21) and the adjusting seat (23).
4. The variable focus 4K ultra high definition medical endoscope according to claim 1, characterized in that the first lens (4) is fixed in the inner tube (2) through an objective lens holder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221858266.6U CN218074934U (en) | 2022-07-19 | 2022-07-19 | Clear medical endoscope of 4K superelevation of can zooming |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221858266.6U CN218074934U (en) | 2022-07-19 | 2022-07-19 | Clear medical endoscope of 4K superelevation of can zooming |
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| CN218074934U true CN218074934U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221858266.6U Active CN218074934U (en) | 2022-07-19 | 2022-07-19 | Clear medical endoscope of 4K superelevation of can zooming |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117297533A (en) * | 2023-11-29 | 2023-12-29 | 桐庐优视医疗器械有限公司 | Uterine cavity endoscope free of dilatation |
-
2022
- 2022-07-19 CN CN202221858266.6U patent/CN218074934U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117297533A (en) * | 2023-11-29 | 2023-12-29 | 桐庐优视医疗器械有限公司 | Uterine cavity endoscope free of dilatation |
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