CN203841666U - Rotatable rigid endoscope with changeable view angle - Google Patents

Rotatable rigid endoscope with changeable view angle Download PDF

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Publication number
CN203841666U
CN203841666U CN201420222577.2U CN201420222577U CN203841666U CN 203841666 U CN203841666 U CN 203841666U CN 201420222577 U CN201420222577 U CN 201420222577U CN 203841666 U CN203841666 U CN 203841666U
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China
Prior art keywords
endoscope
main body
endoscopic main
visual angle
optical fiber
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Expired - Fee Related
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CN201420222577.2U
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Chinese (zh)
Inventor
张亚卓
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Shanghai Yi Yi Business Consulting Co Ltd
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Individual
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Abstract

The utility model discloses a rotatable rigid endoscope with a changeable view angle. The rotatable rigid endoscope comprises an endoscope body with an optical fiber access portion, an endoscope shaft which is connected to the front end portion of the endoscope body and extends forwards, and a first execution element arranged at the rear end of the endoscope body. A shell is arranged outside the endoscope body, the shell is provided with an optical fiber connector corresponding to the position of the optical fiber access portion on the endoscope body, and the endoscope body is fixedly provided with a second execution element which drives the endoscope body and the endoscope shaft to rotate in the shell. According to the rotatable rigid endoscope with the changeable view angle, in use, the endoscope body and the endoscope shaft are driven by the second execution element to conveniently rotate in the shell, the optical fiber connector on the rigid endoscope body can not be driven to rotate together, and the user of the rigid endoscope can obtain a comprehensive view angle.

Description

The rotatable rigid endoscope of variable visual angle
Technical field
This utility model relates to a kind of endoscope, is specifically related to the rotatable rigid endoscope of a kind of variable visual angle.
Background technology
At present, rigid endoscope is used widely at medical domain, and it is for the observation of clinical pathological changes or Minimally Invasive Surgery all brings very large help.Some endoscope wherein particularly, the view directions that user obtains by endoscope is variable, its principle Shi endoscope the tip of the axis has an image optics device, image optics device has rotatable deflecting element, and user can be set the view directions of picture optics for by changing the position of rotation of deflecting element.
But because the deflecting element of rigid endoscope only can be rotated around fixing axle, so the view directions that user obtains by endoscope also only can change in a plane.If it is omnibearing that user wishes to obtain, larger visual angle, can only realize by rotating whole rigid endoscope.And rigid endoscope is in the process of using, on its handle, be conventionally connected with the parts such as optical fiber for lighting interface, rotating whole rigid endoscope can drive the parts such as optical fiber interface to rotate together, this can make whole rotary manipulation become very difficult, and it is very inconvenient to operate, and therefore make rigid endoscope be difficult to obtain larger visual angle.In addition, because current rigid endoscope is limited to the amplitude of variation at visual angle, therefore no matter be to observe or during at Minimally Invasive Surgery in clinical pathological changes, independent Yi Ge endoscope often cannot satisfy the demand, must change an even several endoscope in whole process, this is at endoscope-use in observing or not only can additionally increasing patient's misery when TURP uterine cavity, bladder, and the replacing of endoscope can extend the operating time.
Utility model content
In view of the foregoing defects the prior art has, problem to be solved in the utility model is that a kind of rotatable rigid endoscope of comprehensive variable visual angle that has is provided.
For addressing the above problem, this utility model provides a kind of variable visual angle rotatable rigid endoscope, and it comprises:
Endoscopic main body, is provided with optical fiber access section;
The endoscope shaft that is connected to described endoscopic main body leading section and extends forward, described endoscope shaft at least comprises sleeve pipe, the image optics device that carries out imaging to being positioned at the object of described endoscope shaft front end vicinity is installed in the front end of described endoscope shaft, and described image optics device has for changing over the deflecting element at picture visual angle;
Be arranged at the first executive component of described endoscopic main body rear end, described the first executive component is connected with telescoping tube, described telescoping tube is through described endoscopic main body and endoscope shaft, is connected on described deflecting element and by changing the position of rotation of described deflecting element, changes the imaging visual angle of described image optics device;
Described endoscopic main body is provided with housing outward, described housing is provided with the optical fiber interface corresponding with the position of optical fiber access section on described endoscopic main body, is fixed with the second executive component that drives described endoscopic main body and endoscope shaft to rotate in described housing on described endoscopic main body.
As preferably, described the second executive component is ring-type, and the sheathed leading section that is fixed on described endoscopic main body.
The beneficial effect of the rotatable rigid endoscope of variable visual angle of the present utility model is, in use, under the drive of the second executive component, endoscopic main body and endoscope shaft can be rotated easily in housing, can not drive again the parts such as optical fiber interface on rigid endoscope body to rotate together simultaneously, therefore thereby make the user of rigid endoscope can obtain omnibearing visual angle, thereby observe and Minimally Invasive Surgery provides larger facility for clinical pathological changes.In addition, because just can meeting clinical pathological changes conventionally, observes and Minimally Invasive Surgery needs a rotatable rigid endoscope of variable visual angle of the present utility model, therefore in whole process without changing again endoscope, not only patient's misery is little, and can significantly shorten the operating time.
Accompanying drawing explanation
Fig. 1 is according to the solid of rotatable rigid endoscope one embodiment of variable visual angle of the present utility model;
Fig. 2 is the amplification sectional view of the far-end of the rotatable rigid endoscope axle of variable visual angle in Fig. 1;
Fig. 3 is the enlarged side view of the far-end of the rotatable rigid endoscope axle of the variable visual angle of deviation prism in the first position of rotation;
Fig. 4 is according to the top view of the rotatable rigid endoscope axle of the variable visual angle of Fig. 3 far-end;
Fig. 5 is the enlarged side view of the far-end of the rotatable rigid endoscope axle of the variable visual angle of deviation prism in the second position of rotation;
Fig. 6 is according to the top view of the far-end of the rotatable rigid endoscope axle of the variable visual angle of Fig. 5;
Fig. 7 is the amplification view of the endoscopic main body of rotatable another embodiment of rigid endoscope of variable visual angle of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail, but not as to restriction of the present utility model.
In below to variable visual angle of the present utility model, rotatable rigid endoscope is described, " far-end " wherein, " front " and " front end " etc. refer under the normal operating condition of rigid endoscope, away from the direction of user; Otherwise " afterwards " wherein and " rear portion " etc. refer under the normal operating condition of rigid endoscope, near the direction of user.
As shown in Figure 1, the rotatable rigid endoscope 1 of variable visual angle of the present utility model comprises endoscopic main body 2 and is connected to the endoscope shaft 3 on endoscopic main body 2, the outer sleeve pipe 29 that is arranged with of endoscope shaft 3.On endoscopic main body 2, be also provided with optical fiber interface 27.
From the amplification sectional view of the far-end 6 of the endoscope shaft 3 of Fig. 2, can find out, image optics device 4 is arranged in endoscope shaft 3, by image optics device 4, the object being positioned in the view directions 5 of endoscope shaft 3 image optics device 4 above can be shown as an image.
In an embodiment of the present utility model, deflecting element is deviation prism.As shown in Figure 2, the lens 8 that image optics device 4 contains a deviation prism 7 and is arranged on deviation prism 7 rear portions.
As shown in the enlarged side view and top view of 3 far-ends 6 of endoscope shaft in Fig. 3 and Fig. 4, deviation prism 7 is arranged on prism holder 9, prism holder 9 is rotatably installed in the far-end of an optical tube 10, and optical tube 10 is arranged in endoscope shaft 3, and its middle sleeve 29 is not shown.
Prism holder 9 includes two bearing pins 11, thereby forms on the bracket 12 that a rotating shaft is arranged on optical tube 10 far-ends (in Fig. 3 only to see bearing pin 11 and the left-hand side bracket 12 of left-hand side).
Prism holder 9 also includes two drive pins 13, is arranged in the bracket 14 of telescoping tube 15.Telescoping tube 15 with respect to optical tube 10 and sleeve pipe 29 endoscope shaft 3 longitudinally on install movably, wherein the axial location of telescoping tube 15 can arrange by the first executive component 16 (seeing Fig. 1) being attached on endoscopic main body 2, will be explained in further detail this below.
Comparison diagram 3 and Fig. 4 and Fig. 5 and Fig. 6, wherein telescoping tube 15 is compared and has been moved axially with Fig. 4 with Fig. 3.Axial displacement represents with Δ z between Fig. 4 and Fig. 5.As shown in Fig. 3 and Fig. 4 and Fig. 5 and Fig. 6, the axial displacement of telescoping tube 15 makes drive pin 13 move around bearing pin 11.Thereby drive pin 13 be positioned at Fig. 3 and Fig. 5 move on track in the plane, its center is bearing pin 11.Drive pin 13 can move, because it is movably arranged in the bracket 14 of far-end of telescoping tube 15 (that sees in Fig. 3 and Fig. 5 is all removable from top to bottom).
Therefore the rotating shaft that the bearing pin 11 that the axial displacement of telescoping tube 15 makes prism holder 9 move around the place plane perpendicular in Fig. 3 and Fig. 5 limits rotates, thereby causes the rotation of deviation prism 7, and the view directions of image optics device 4 is changed whereby.The view directions 5 shown in Fig. 3 and Fig. 4 be approximately 90 ° (with respect to endoscope shaft 3 longitudinally, under different situations, this be longitudinally positioned at Fig. 3 to Fig. 6 run to right side in the plane and from left side).In Fig. 5 and Fig. 6, view directions 5 in contrast, is approximately 10 °.From the above principle to rigid endoscope visual angle change, view directions 5 can only change itself in the plane at Fig. 3 and Fig. 5 place, if user goes for omnibearing visual angle, must could realize by means of the spinfunction of rigid endoscope.
The far-end of telescoping tube 15 or telescoping tube 15 also can be used as removable baffle plate simultaneously, by each position of rotation of deviation prism 7, prevent that scattered light from arriving the region 50 (seeing Fig. 2) between prism holder 9 and image optics device 4 camera lenses, otherwise can cause the decline of the image quality of image optics device 4., as Fig. 2 with according to Fig. 3, arrive as shown in the different rotary position of Fig. 6, telescoping tube 15 has a distal tip and is formed with screen section 51, is positioned at all the time the rear portion 52 of prism holder 9 for this reason.Thereby can guarantee, under any position of rotation of the setting of deviation prism 7, does not have scattered light to enter region 50.Therefore telescoping tube 15 contributes to block scattered light and drives deviation prism 7 to set the view directions 5 that expectation position of rotation is set expectation then simultaneously.Therefore,, after setting a new position of rotation, can use immediately endoscope, because always penetrating of scattered light can stop beyond the question.Thereby image optics device 4 can exempt from the direct radiation of scattered light.
It (is the form with lens pillar at this that image optics device 4 also has an image delivering system that is arranged in endoscope shaft 3 and endoscopic main body 2, in the enlarged cross section figure of one of them rear end section of endoscopic main body 2 in Fig. 7, can see), for the image of reception is upwards transferred to endoscopic main body 2, at this image, can be utilized effectively.Operable image can directly be observed or be observed by an eyepiece that approaches most installation.It for example also can append to one for being shown to endoscopic main body 2 on the camera of document image and for example, by an outut device (watch-dog).
The first executive component 16 is designed to the shape of sleeve and is arranged on a guideway 18 in rotatable mode, and this guideway 18 is connected on endoscopic main body 2 in anti-rotational mode in itself.Slider disc 20 is arranged between the far-end and guideway 18 of the first executive component 16.
As shown in Figure 7, in another preferred embodiment of the present utility model, in the outside of the first executive component 16, be provided with the groove 45 of guaranteeing safety supports, make it more to meet human efficiency subject's design.
Portion within it, insert in this groove on the top that the first executive component 16 has first helicla flute 21, the first bolts 22 at remote area.The first slotted eye 23 that the first bolt 22 extends through an endoscope shaft 3 along guideway 18 longitudinal (and from the right of Fig. 7 to the left side) and being fixed on a link 25 far-end that is connected to telescoping tube 15 with anti-rotation mode by first sealing ring 24 bottom it.
Due to this structure, the first executive component 16 causes the first bolt 22 moving axially (due to by be connected to the guiding of the first slotted eye 23 in the guideway 18 on endoscopic main body 2 with anti-rotation mode) around the longitudinal axis of endoscope and with respect to the rotation of endoscopic main body 2, and result link 25 and telescoping tube 15 all move axially.At the far-end of telescoping tube 15, if Fig. 3 is to as shown in Fig. 6, the position of rotation of an expectation of deviation prism 7 has been determined in this displacement.
As shown in Figure 2, endoscope shaft 3 is followed successively by optical tube 10 from the inside to the outside, telescoping tube 15, inner tube 28 and sleeve pipe 29.Wherein, image optics device 4 is installed in optical tube 10, and telescoping tube 15 is arranged in inner tube 28.Because the internal diameter of sleeve pipe 29 is greater than the external diameter of inner tube 28, so between inner tube 28 and sleeve pipe 29, there is one along the space 30 of the longitudinal extension of endoscope shaft 3.The optical fiber access section (accompanying drawing do not show) of optical fibers (Fig. 2 does not show) that can be shown for illuminating objects from endoscopic main body accesses and is arranged in space 30.Optical fibers can be full of light by the optical fiber interface 27 being positioned on housing 26.Sleeve pipe 29 has one by means of the distal openings 48 of a bell glass 49 sealings (preferably sealing gland), can make image optics device 4 avoid the pollution of dirt.
As shown in Figure 1 and Figure 7, the rotatable rigid endoscope of variable visual angle of the present utility model, on its endoscopic main body 2, with the tubular housing 26 of cardinal principle, endoscopic main body 2 is arranged in housing 26 in rotatable mode, is fixed with the second executive component 17 on endoscopic main body 2.In use, a housing 26 that holds the rotatable rigid endoscope of variable visual angle for user, with another hands rotating operation the second executive component 17, under the drive of the second executive component 17, endoscopic main body 2 can be in the interior rotation of housing 26, drive endoscope shaft 3 and 4 rotations of its inner image optics device simultaneously, in this rotary course, view directions 5 is also just not limited only to change in the plane at endoscope shaft 3 and deviation prism 7 places, therefore user can obtain omnibearing visual angle, thereby for clinical pathological changes is observed and Minimally Invasive Surgery provides larger facility.Because optical fiber interface 27 is used crystal column joint, therefore the optical fiber interface 27 being fixed on housing 26 can be along with endoscopic main body 2 rotation in the situation that, be continuously fiber optic transmission light wherein, thereby guarantee the normal use of the rotatable rigid endoscope of variable visual angle.
In addition, as shown in Figure 1, the rotatable rigid endoscope of variable visual angle of the present utility model, its second executive component 17 is preferably ring-type, and be sheathed on the front end of described endoscopic main body 2, user not only can be convenient when operation the second executive component 17 like this, and can avoid influencing each other when operating the first executive component 16 or the second executive component 17 separately, while operating the second executive component 17, can avoid stopping of optical fiber interface 27 simultaneously.
The rotatable rigid endoscope of variable visual angle of the present utility model, even if in endoscopic main body 2 and the fixed situation of endoscope shaft 3, user drives deviation prisms 7 rotations by operation the first executive component 16, can obtain the centrage of deviation prism 7 and the centrage of endoscope shaft 3 the visual angle within the scope of 10o~110o planar.And when user drives endoscopic main body 2 and endoscope shaft 3 rotation by operation the second executive component 17, whole image optics device 4 can carry out the rotation of 360o thereupon, therefore user can obtain omnibearing perspective view.
Due to the rotatable rigid endoscope of variable visual angle of the present utility model, can provide omnibearing visual angle for user, in whole process conventionally without changing again endoscope, particularly observe or reduced when TURP uterine cavity, bladder etc. patient's misery, and significantly shortened the operating time, therefore for clinical pathological changes is observed and Minimally Invasive Surgery provides larger facility.And it is also for observation and the operation at focus dead angle provide convenience, particularly its gradual angle of bringing is more conducive to observe dead angle pathological changes, this has not only increased, and clinical pathological changes is observed and the scope of application of Minimally Invasive Surgery, and makes above-mentioned observation and operation become safer.Certainly; the above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of this utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.

Claims (2)

1. the rotatable rigid endoscope of variable visual angle, is characterized in that, comprising:
Endoscopic main body, is provided with optical fiber access section;
The endoscope shaft that is connected to described endoscopic main body leading section and extends forward, described endoscope shaft at least comprises sleeve pipe, the image optics device that carries out imaging to being positioned at the object of described endoscope shaft front end vicinity is installed in the front end of described endoscope shaft, and described image optics device has for changing over the deflecting element at picture visual angle;
Be arranged at the first executive component of described endoscopic main body rear end, described the first executive component is connected with telescoping tube, described telescoping tube is through described endoscopic main body and endoscope shaft, is connected on described deflecting element and by changing the position of rotation of described deflecting element, changes the imaging visual angle of described image optics device;
Described endoscopic main body is provided with housing outward, described housing is provided with the optical fiber interface corresponding with the position of optical fiber access section on described endoscopic main body, is fixed with the second executive component that drives described endoscopic main body and endoscope shaft to rotate in described housing on described endoscopic main body.
2. the rotatable rigid endoscope of variable visual angle as claimed in claim 1, is characterized in that, described the second executive component is ring-type, and the sheathed leading section that is fixed on described endoscopic main body.
CN201420222577.2U 2014-04-30 2014-04-30 Rotatable rigid endoscope with changeable view angle Expired - Fee Related CN203841666U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110133834A (en) * 2018-02-09 2019-08-16 徕卡仪器(新加坡)有限公司 It is adapted for attachment to microscopical arm and microscope
CN110403562A (en) * 2019-07-24 2019-11-05 朱禹华 A kind of rigid pipe endoscope at the unlimited visual angle of the inseparable formula of straight-bar
CN112274088A (en) * 2020-10-26 2021-01-29 苏州法兰克曼医疗器械有限公司 Thoracic endoscope with adjustable bracket and using method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110133834A (en) * 2018-02-09 2019-08-16 徕卡仪器(新加坡)有限公司 It is adapted for attachment to microscopical arm and microscope
US11422345B2 (en) 2018-02-09 2022-08-23 Leica Instruments (Singapore) Pte. Ltd. Arm adapted to be attached to a microscope, and microscope
CN110403562A (en) * 2019-07-24 2019-11-05 朱禹华 A kind of rigid pipe endoscope at the unlimited visual angle of the inseparable formula of straight-bar
CN110403562B (en) * 2019-07-24 2021-10-12 青岛大学附属医院 Straight-bar inseparable hard tube endoscope with infinite visual angle
CN112274088A (en) * 2020-10-26 2021-01-29 苏州法兰克曼医疗器械有限公司 Thoracic endoscope with adjustable bracket and using method thereof
CN112274088B (en) * 2020-10-26 2022-08-26 苏州法兰克曼医疗器械有限公司 Thoracic cavity endoscope with adjustable bracket and using method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160725

Address after: 200062 room 3553, No. 309, Putuo District, Shanghai, Zhongshan North Road

Patentee after: Shanghai Yi Yi Business Consulting Co., Ltd.

Address before: Room 20, building A block 14 North Point and rich center

Patentee before: Xiao Mudong

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140924

Termination date: 20190430

CF01 Termination of patent right due to non-payment of annual fee