CN106805935B

CN106805935B - Endoscope

Info

Publication number: CN106805935B
Application number: CN201710145091.1A
Authority: CN
Inventors: 雷光华; 李宇晟; 曾超; 熊依林; 肖文峰; 罗伟; 高曙光; 崔洋; 李辉
Original assignee: Xiangya Hospital of Central South University
Current assignee: Xiangya Hospital of Central South University
Priority date: 2017-03-13
Filing date: 2017-03-13
Publication date: 2018-05-04
Anticipated expiration: 2037-03-13
Also published as: CN106805935A

Abstract

The application provides an endoscope, which comprises a pulling-in and pulling-out mechanism and a sight glass working mechanism, wherein the sight glass working mechanism is movably arranged on the pulling-in and pulling-out mechanism, and the endoscope also comprises a handle, and the handle is positioned outside the endoscope and is connected with an operating system; the endoscope also comprises a driving mechanism and a rolling mechanism which are movably arranged between the drawing-in and drawing-out mechanism and the sight glass working mechanism, the driving mechanism comprises a driving bevel gear, and the driving bevel gear is meshed with a driven bevel gear positioned on the sight glass working mechanism to drive the sight glass working mechanism to move; the rolling mechanism comprises a limiter and a plurality of balls, the balls are movably arranged on the limiter, one part of the balls are movably embedded on the pulling-in and pulling-out mechanism, and the other part of the balls can move along a track positioned on the sight glass working mechanism. By adopting the structure, the endoscope provided by the application can not damage the inner cavity, can not pollute the endoscope and has a large detection range.

Description

A kind of endoscope

Technical field

The present invention relates to a kind of Medical Devices, are specifically designed a kind of endoscope.

Background technology

At present, endoscope has been widely used in medical field, and endoscope is inserted into be detected to be obtained in vivo Internal image information, and the image information of acquisition can be diagnosed, it is optimal to help medical staff to make Solution, still, the camera lens of existing endoscope is rotatable, but rotation process coverage is small, influences to judge knot The accuracy of fruit, it is impossible to meet requirement.

It is those skilled in the art's urgent problem in conclusion how to expand visual range.

The content of the invention

The object of the present invention is to provide a kind of endoscope, solves asking for the small influence judging result of endoscopic observation scope Topic.

In order to solve the above technical problems, the present invention provides following technical solution：

A kind of endoscope, including pull out and be movably arranged on into extraction mechanism and sight glass operating mechanism, the sight glass operating mechanism It is described to pull out on extraction mechanism, wherein, handle is further included, the handle is located at the outside of the endoscope, and and operating system It is connected；The endoscope, which further includes, is movably arranged on described pull out into the driving machine between extraction mechanism and the sight glass operating mechanism Structure, rolling mechanism, the driving mechanism include an active conical tooth, and the active conical tooth is with being located in the sight glass operating mechanism The sight glass operating mechanism movement is driven from the engagement of mantle tooth；The rolling mechanism includes limiter and several balls, described Ball is movably arranged on the limiter, and a part of ball activity is embedded pulls out on extraction mechanism described, another ball Can be along the track motion in the sight glass operating mechanism.

Further, the cross section of the limiter is in isosceles trapezoid, and the limiter includes the first ball chamber, Yi Dui Two ball chambers, the 3rd ball chamber and lumen, the lumen run through the both ends of the surface of the limiter；The first ball chamber is located at institute State on the bottom surface of limiter, and communicated with the lumen；A pair of second ball chamber is respectively positioned at the both sides of limiter ladder On face, and communicated with the lumen；The 3rd ball chamber is located on the upper bottom surface of the limiter, and with the lumen phase It is logical.

Further, several balls include the first ball, a pair of second ball and the 3rd ball, first ball Activity is embedded in the first ball intracavitary, and the second ball activity is embedded in the second ball intracavitary, the 3rd rolling Pearl activity is embedded to be embedded in the second inner chamber pulled out into extraction mechanism in the 3rd ball intracavitary, the first ball activity Interior, second ball and the 3rd ball are kept out on the track.

Further, described pull out into one end of extraction mechanism is equipped with an accommodating chamber, the joint of the sight glass operating mechanism Be movably arranged in the accommodating chamber, and the track is located on the periphery in the joint, it is described from mantle tooth position in the rail On one madial wall in road；The second inner chamber is located on the inner wall of the accommodating chamber, and one is additionally provided with the inner wall of the accommodating chamber First inner chamber, the driving motor of the driving mechanism are fixed in the first inner chamber, the active conical tooth fixed setting On the output shaft of the driving motor.

Further, second ball is kept out in the second orbital plane of the track, and the 3rd ball is kept out In the 3rd orbital plane of the track.

Further, the sight glass operating mechanism further includes connecting rod and sight glass head, and the sight glass head is movably arranged on institute State on connecting rod, the connecting rod is fixed on the joint.

Further, the other end pulled out into extraction mechanism is equipped with a through hole, the through hole and the accommodating chamber phase It is logical；It is described it is intra-articular be equipped with a cavity, be additionally provided with a cable-through hole on the periphery in the joint, and the cable-through hole and the cavity Communicate；A via for running through the connecting rod two end is equipped with the connecting rod, and the via is communicated with the cavity.

Further, further include observation optical fiber, one end of the observation optical fiber sequentially pass through the through hole, cable-through hole, Via is electrically connected with the sight glass head.

Further, soft seal connector is further included, one end of the soft seal connector is pulled out into extraction mechanism with described One end be fixedly connected, the other end of the soft seal connector is fixedly connected in the sight glass operating mechanism.

It can be seen from above-mentioned technical proposal the invention has the advantages that：

1. due to equipped with soft seal connector, thus increase flexible, inner cavity will not be caused to damage, body fluid will not enter Endoscope is polluted or corroded；

2. since sight glass operating mechanism and sight glass head can be movable at the same time, thus increasing detection range, detection is improved As a result accuracy.

The present invention is described in further detail with reference to the accompanying drawings and detailed description.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.

Fig. 1 is the actual use system schematic of the present invention.

Fig. 2 is the structure diagram of the present invention.

Fig. 3 is the internal structure schematic diagram of the present invention.

Fig. 4 is the structure diagram pulled out into extraction mechanism of the present invention.

Fig. 5 is sight glass operating mechanism and the relation schematic diagram of driving mechanism of the present invention.

Fig. 6 is sight glass operating mechanism and the relation schematic diagram of rolling mechanism of the present invention.

Fig. 7 is the structure diagram of the driving mechanism of the present invention.

Fig. 8 is the active conical tooth of the present invention and the cooperation schematic diagram from mantle tooth.

Fig. 9 is the structure diagram of the rolling mechanism of the present invention.

Figure 10 is the structure diagram of the limiter of the rolling mechanism of the present invention.

Figure 11 is the sectional schematic diagram of the track of the sight glass operating mechanism of the present invention.

Description of reference numerals：Endoscope 1, pull out into extraction mechanism 11, through hole 111, first inner chamber 112, second inner chamber 113, Accommodating chamber 114, extension slot 115, fibre pipe 12, driving mechanism 13, driving motor 131, active conical tooth 132, rolling mechanism 14, the One ball 141, the second ball 142, the 3rd ball 143, limiter 144, the first ball chamber 1441, the second ball chamber 1442, Three ball chambers 1443, lumen 1444, sight glass operating mechanism 15, joint 151, cable-through hole 1511, cavity 1512, track 1513, Two orbital planes 15131, the 3rd orbital plane 15132, from mantle tooth 1514, connecting rod 152, first 153, first pin of via 1521, sight glass Ear 154, second sell ear 155, motor 156, soft seal connect the 16, first external camera 2, the second external camera 3, handle 4, Host 5, graphics workstation 6, display 7.

Embodiment

The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims Implement with the multitude of different ways of covering.

The application is described further below with reference to Fig. 1 to Figure 11, a kind of endoscopic system as shown in Figure 1 is described Endoscopic system includes endoscope 1, the first external camera 2, the second external camera 3, host 5, graphics workstation 6 and display Device 7, the endoscope 1, the first external camera 2, the second external camera 3, graphics workstation 6 and display 7 with it is described Host 5 connects, and the endoscope 1 is used to detect inner cavity, and the first external 2 and second external camera 3 of camera is used to examine Survey in vitro, the host 5 is used to control the endoscope 1, the first external 2 and second external camera 3 of camera, the figure Work station 6 is used to design the endoscope 1, the running orbit of the first external 2 and second external camera 3 of camera, described aobvious Show that device 7 is used for the image information for showing the course of work or getting, the endoscope 1 includes handle 4, and the handle 4 is located at institute The side of graphics workstation 6 is stated, is connected with the host 5, for manual designs running orbit, can also directly operate institute respectively State endoscope 1, the first external external camera 3 of camera 2 or the second works.

A kind of endoscope 1 as shown in Figures 2 and 3, the endoscope 1 include pulling out into extraction mechanism 11 and sight glass working machine Structure 15, the sight glass operating mechanism 15 be movably arranged on it is described pull out into the accommodating chamber (114) of extraction mechanism 11, wherein, it is described Endoscope 1 further includes driving mechanism 13, rolling mechanism 14 and soft seal connector 16, the driving mechanism 13 and rolling mechanism 14 Be movably arranged on it is described pull out between extraction mechanism 11 and the sight glass operating mechanism 15, the one of the soft seal connector 16 End is fixedly connected with described pull out into one end of extraction mechanism 11, described in the other end of the soft seal connector 16 is fixedly connected on In sight glass operating mechanism 15, the soft seal connector 16 is scalable, described soft close when the sight glass operating mechanism 15 moves Envelope connector 16 can be adjusted according to actual conditions, ensured the pliability of the periphery of the endoscope 1, avoided using Card is hung when inner cavity being caused to damage and is inserted or pulled out in journey increases pain to patient, it also avoid blood or other liquid enter The endoscope 1 is polluted or corroded in the endoscope 1, reduction of service life and reduction accuracy.

As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, described pull out into one end of extraction mechanism 11 is equipped with an accommodating chamber 114, the joint 151 of the sight glass operating mechanism 15 is movably arranged in the accommodating chamber 114, wherein, the accommodating chamber 114 Inner wall is equipped with first inner chamber 112 and second inner chamber 113, and the driving motor 131 of the driving mechanism 13 is fixed at described In first inner chamber 112, the active conical tooth 132 of the driving mechanism 13 is fixed on the output shaft of the driving motor 131, And the active conical tooth 132 engages with the slave mantle tooth 1514 in the sight glass operating mechanism 15 and drives the sight glass to work Mechanism 15 moves, and one end activity of the rolling mechanism 14 is embedded in the second inner chamber 113, the rolling mechanism 14 it is another One end is slided along in track 1513 on the periphery in the joint 151, and described is located at the rail from mantle tooth 1514 On one madial wall in road 1513, a pair of of extension slot 115 is arranged with the side wall of the opening of the accommodating chamber 114.

As shown in Figures 3 to 5, the sight glass operating mechanism 15 includes joint 151, connecting rod 152 and sight glass first 153, described Sight glass first 153 is movably arranged on the connecting rod 152, and the connecting rod 152 is fixed on the joint 151, the joint 151 are movably arranged in the accommodating chamber 114, and the driving mechanism 13 drives the joint 151 to do oscillating motion, and then drives The sight glass first 153 is swung, and the connecting rod 152 can be entered in the extension slot 115, increases amplitude of fluctuation, is expanded visual Scope, the sight glass operating mechanism 15 further include the first pin ear 154, second pin ear 155 and motor 156, the first pin ear 154 One end of the connecting rod 152 is fixed at, the second pin ear 155 is fixed on the sight glass first 153, the sight glass First 153 are flexibly connected by the described first pin ear 154 with the pivot joint of the second pin ear 155 with the connecting rod 152, the motor 156 The sight glass first 153 is driven to do oscillating motion, and movement locus plane and the movement locus plane in the joint 151 are hung down mutually Directly, visual range can be expanded, the sight glass first 153 is toroidal, also for expansion visual range.

As shown in Fig. 4, convex 5 and Fig. 6, the other end pulled out into extraction mechanism 11 is equipped with a through hole 111, the through hole 111 communicate with the accommodating chamber 114；A cavity 1512 is equipped with the joint 151, is additionally provided with the periphery in the joint 151 One cable-through hole 1511, and the cable-through hole 1511 is communicated with the cavity 1512；Run through the company equipped with one in the connecting rod 152 The via 1521 at 152 both ends of bar, and the via 1521 is communicated with the cavity 1512, the observation optical fiber 12 of the endoscopic system One end sequentially pass through that the through hole 111, cable-through hole 1511, via 1521 be first with the sight glass 153, motor 156 is electrically connected, and The observation optical fiber 12 is also electrically connected with the driving mechanism 13, and the other end of the observation optical fiber 12 is electrically connected with host 5.

As shown in Fig. 3, Fig. 4, Fig. 9, Figure 10 and Figure 11, the rolling mechanism 14 includes limiter 144 and several balls, The cross section of the limiter 144 is in isosceles trapezoid, and the limiter 144 includes the first ball chamber 1441, a pair of second ball Chamber 1442, the 3rd ball chamber 1443 and lumen 1444, the lumen 1444 run through the both ends of the surface of the limiter 144；Described One ball chamber 1441 is located on the bottom surface of the limiter 144, and is communicated with the lumen 1444；A pair of second ball chamber 1442 respectively on the both sides tread of the limiter 144, and communicated with the lumen 1444；The 3rd ball chamber 1443 Communicated on the upper bottom surface of the limiter 144, and with the lumen 1444；Several balls include the first ball 141, one To the second ball 142 and the 3rd ball 143, first ball 141 is movably arranged in the first ball chamber 1441, described Second ball 142 is movably arranged in the second ball chamber 1442, and the 3rd ball 143 is movably arranged on the 3rd rolling In pearl chamber 1443, the front end activity that first ball 141 extends to the part of 144 periphery of limiter is embedded and is pulled out described Into in the second inner chamber 113 of extraction mechanism 11, for the spacing of the rolling mechanism 14；Second ball 142 is kept out in institute State in the second orbital plane 15131 of track 1513, the 3rd ball 143 keeps out the 3rd orbital plane in the track 1513 On 15132, the rolling mechanism 14 is set to be moved along the track 1513.

The rolling mechanism 14 can improve the rotation flexibility in the joint 151, while limit the joint 151 to both sides Swing, avoid the problem that 151 beat of joint causes testing result inaccurate, the rolling mechanism 14 uses multiple rollings Pearl, increases stress point, avoids deforming, also reduce abrasion.

It these are only the preferred embodiment of the present invention, be not intended to limit the invention, for those skilled in the art For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made, Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims

1. a kind of endoscope (1), including pull out into extraction mechanism (11) and sight glass operating mechanism (15), the sight glass operating mechanism (15) it is movably arranged on described pull out into the accommodating chamber (114) of extraction mechanism (11), it is characterised in that further include handle (4), institute State handle (4) and be located at the outside of the endoscope (1), and be connected with operating system；The endoscope (1) further includes movable setting Pulled out described into the driving mechanism (13) between extraction mechanism (11) and the sight glass operating mechanism (15), rolling mechanism (14), The driving mechanism (13) includes an active conical tooth (132), and the active conical tooth (132) is with being located at the sight glass operating mechanism (15) slave mantle tooth (1514) engagement on drives sight glass operating mechanism (15) movement；The rolling mechanism (14) includes limit Position device (144) and several balls, the ball are movably arranged on the limiter (144), and a part of ball activity is embedded In the second inner chamber (113) pulled out into extraction mechanism (11), another ball can be along positioned at the sight glass operating mechanism (15) track (1513) movement on, wherein, the second inner chamber (113) is located on the inner wall of the accommodating chamber (114).

2. endoscope (1) according to claim 1, it is characterised in that the cross section of the limiter (144) is in isosceles ladder Shape, the limiter (144) include the first ball chamber (1441), a pair of second ball chamber (1442), the 3rd ball chamber (1443) With lumen (1444), the lumen (1444) runs through the both ends of the surface of the limiter (144)；First ball chamber (1441) position In on the bottom surface of the limiter (144), and communicated with the lumen (1444)；A pair of second ball chamber (1442) difference position In on the both sides tread of the limiter (144), and communicated with the lumen (1444)；The 3rd ball chamber (1443) is located at On the upper bottom surface of the limiter (144), and communicated with the lumen (1444).

3. endoscope (1) according to claim 2, it is characterised in that several balls include the first ball (141), one To the second ball (142) and the 3rd ball (143), the first ball (141) activity is embedded in the first ball chamber (1441) in, the second ball (142) activity is embedded in the second ball chamber (1442), the 3rd ball (143) Activity is embedded in the 3rd ball chamber (1443), and the first ball (141) activity is embedded pulls out into extraction mechanism described (11) in second inner chamber (113), second ball (142) and the 3rd ball (143) are kept out on the track (1513).

4. endoscope (1) according to claim 3, it is characterised in that described pull out is equipped with into one end of extraction mechanism (11) One accommodating chamber (114), the joint (151) of the sight glass operating mechanism (15) is movably arranged in the accommodating chamber (114), and institute Track (1513) is stated to be located on the periphery in the joint (151), it is described to be located at the track (1513) from mantle tooth (1514) On one madial wall；A first inner chamber (112), the drive of the driving mechanism (13) are additionally provided with the inner wall of the accommodating chamber (114) Dynamic motor (131) is fixed in the first inner chamber (112), and the active conical tooth (132) is fixed at the driving On the output shaft of motor (131).

5. endoscope (1) according to claim 4, it is characterised in that second ball (142) is kept out in the track (1513) in the second orbital plane (15131), the 3rd ball (143) keeps out the 3rd orbital plane in the track (1513) (15132) on.

6. endoscope (1) according to claim 5, it is characterised in that the sight glass operating mechanism (15) further includes connecting rod (152) it is movably arranged on sight glass head (153), the sight glass head (153) on the connecting rod (152), the connecting rod (152) is fixed It is arranged on the joint (151).

7. endoscope (1) according to claim 6, it is characterised in that the other end pulled out into extraction mechanism (11) is set There is a through hole (111), the through hole (111) communicates with the accommodating chamber (114)；A cavity is equipped with the joint (151) (1512), a cable-through hole (1511), and the cable-through hole (1511) and the cavity are additionally provided with the periphery of the joint (151) (1512) communicate；A via (1521) for running through the connecting rod (152) both ends, and the via are equipped with the connecting rod (152) (1521) communicated with the cavity (1512).

8. endoscope (1) according to claim 7, it is characterised in that further include observation optical fiber (12), the observation optical fiber (12) one end sequentially passes through the through hole (111), cable-through hole (1511), via (1521) and the sight glass head (153) and is electrically connected Connect.

9. endoscope (1) according to claim 1, it is characterised in that soft seal connector (16) is further included, it is described soft close One end of envelope connector (16) is fixedly connected with described pull out into one end of extraction mechanism (11), the soft seal connector (16) The other end is fixedly connected on the sight glass operating mechanism (15).