CN103654703B - Electronic digital endoscope - Google Patents
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- CN103654703B CN103654703B CN201310601289.8A CN201310601289A CN103654703B CN 103654703 B CN103654703 B CN 103654703B CN 201310601289 A CN201310601289 A CN 201310601289A CN 103654703 B CN103654703 B CN 103654703B
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Abstract
The invention relates to an electronic digital endoscope. The electronic digital endoscope comprises an endoscope body, an annular illumination device, a handheld camera, a focusing device, an LED cold light source and an inflation device. The handheld camera is connected with the focusing device through a movable connecting structure, the focusing device is connected with the eyepiece end of the annular illumination device through a rapid connecting clamping ring, the illuminating end of the annular illumination device is connected with the endoscope body in a threaded mode, and the LED cold light source and the inflation device are connected with a light passing pipe of the annular illumination device and a ventilating pipe of the annular illumination device respectively. The annular illumination device is adopted, and therefore the lighting effect is good, no illumination dark points exist, and the illumination is uniform. The focusing device is rapidly connected with the annular illumination device through the rapid connecting clamping ring, operation is convenient, and locking is firm. The focusing device can be replaced by focusing devices with different focal lengths according to the different endoscope bodies and different use environments, and the endoscope is convenient and flexible to use.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of electronic digital endoscope.
Background technology
To in the therapeutic process of some disease, need to observe internal organs relevant in patient body with endoscope, and by camera head, image taking is carried out to internal organs relevant in patient body, send image to external visual device simultaneously.As stomatology endoscope, endoscope for ENT, dentistry endoscope or orifice and rectal intestine endoscope etc.In order to see in body image clearly, need to throw light on to internal milieu, the general point source of light that adopts throws light at present, light efficiency is low, and illuminance is strong not, and what have exists general red phenomenon, also there is illumination dim spot, cause the image observed clear not, affect the diagnosis of doctor to conditions of patients.In addition, for different endoscopies and environment for use, usually need the focussing mechanism adopting different focal, but in existing endoscope image pick-up device, photographic head is generally all fixedly connected with focussing mechanism, the focussing mechanism of different focal cannot be replaced by as required, bring a lot of inconvenience to use.
Summary of the invention
The present invention mainly solves originally with adopting point source of light to throw light on during endoscope, and light efficiency is low, and illuminance is strong not, there is general red phenomenon in what have, also there is illumination dim spot, cause the image observed clear not, affect the technical problem of doctor to the diagnosis of conditions of patients; There is provided a kind of electronic digital endoscope, it forms annular beam by ring lighting device, and illuminance is strong, and light efficiency is high, and do not throw light on dim spot, uniform illumination, guarantees that viewed in-vivo image is perfectly clear, and is conducive to the diagnosis of doctor to conditions of patients.
The present invention solves photographic head in original camera head simultaneously and is fixedly connected with focussing mechanism, cannot be replaced with the focussing mechanism of different focal according to different endoscopies and environment for use, to using the technical problem bringing a lot of inconvenience; There is provided a kind of electronic digital endoscope, its photographic head and focussing mechanism are flexibly connected, and can be replaced with the focussing mechanism of different focal according to different endoscopies and environment for use, very easy to use.
Another object of the present invention is to provide a kind of electronic digital endoscope, and its focussing mechanism realizes being connected fast by fast connecting card ring and ring lighting device, and easy to operate, locking is firm.
Another object of the present invention is to provide a kind of electronic digital endoscope, adopts LED cold light source as endoscope illuminator, realizes the automatic adjustment of temperature and light illumination and the automatic unlatching of LED cold light source or closedown, reaches convenient, flexibly and safety, efficiently object.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: the present invention includes endoscope, ring lighting device, hand-held camera, focussing mechanism, LED cold light source and aerating device, endoscope, ring lighting device, focussing mechanism and hand-held camera are connected by respective movable connection structure successively, and LED cold light source, aerating device are connected with described ring lighting device respectively.There is provided illumination by LED cold light source, ring lighting device realizes light transmission, and make the light shone in patient body form annular beam, illuminance is strong, and light efficiency is high, and do not throw light on dim spot, uniform illumination.
As preferably, described ring lighting device comprises toroidal shell and the logical light pipe be located on the sidewall of toroidal shell and breather, one end of toroidal shell is for irradiating end, the other end is eyepiece end, irradiate end to be connected with described endoscope, eyepiece end is connected with described focussing mechanism, described breather and the inner space of toroidal shell, the inflation leather hose of described aerating device is connected on described breather, the inwall of logical light pipe is provided with one deck optical fibers layer, optical fibers layer is covered with the inwall of whole logical light pipe, the inwall of described toroidal shell is provided with a circle optical fibers layer, optical fibers layer on toroidal shell inwall is between the junction and the irradiation end of toroidal shell of described logical light pipe and toroidal shell, optical fibers layer in logical light pipe is connected with the optical fibers layer in toroidal shell, form path channels, the termination of described logical light pipe connects light guide bundles, light guide bundles is connected with the light output mouth of described LED cold light source again.The light that LED cold light source sends, passes to the optical fibers layer in logical light pipe through light guide bundles, then passes to the optical fibers layer in toroidal shell, finally position in the patient body that illumination is detected to endoscope by optical fibers layer by irradiation end.Illuminance is strong, and light efficiency is high, and do not throw light on dim spot, uniform illumination, guarantees that viewed in-vivo image is perfectly clear, and is conducive to the diagnosis of doctor to conditions of patients.
As preferably, the axis of described breather and the axes normal of described toroidal shell, the angle α between the axis of described logical light pipe and the axis of described toroidal shell is 50 ° ~ 80 °, and the irradiation end of toroidal shell is pointed on the top of angle α.Guarantee that inflation is smooth and easy, gas arrives in patient body through toroidal shell, can arrange obstacle in body, guarantees that observation is clear.Logical light pipe is obliquely installed, and guarantees there is better light transmission, and light beam is concentrated, and illuminance is strong, and light efficiency is high.
As preferably, be provided with a book wall stainless steel tube in described toroidal shell, the optical fibers layer in described toroidal shell is between described book wall stainless steel tube and toroidal shell inwall.Book wall stainless steel tube is used for the optical fibers layer in stationary annular housing, also avoids polluting optical fibers layer in use procedure simultaneously, is convenient to cleaning and sterilization.
As preferably, the eyepiece end of described toroidal shell is provided with a circle boss, and the inwall of the toroidal shell corresponding with lug boss position is provided with a circle shoulder, shoulder is provided with a block protection glass.Cover glass plays a protective role to the focussing mechanism being connected to eyepiece end, avoids polluting camera lens in use procedure.The setting of boss, is convenient to eyepiece end and focussing mechanism realizes clamping, easy accessibility between the two.
As preferably, described hand-held camera comprise with hand grip portion housing, be located at imageing sensor in housing and infrared fileter, infrared fileter is positioned at the front end of imageing sensor, the front end of housing is provided with the first mount pad, the rear end of described focussing mechanism is provided with the second mount pad, and the inwall of the first mount pad and the outer wall of the second mount pad are provided with the movable connection structure matched each other.Photographic head and focussing mechanism are movably connected by movable connection structure, between the two easy accessibility, can be replaced with the focussing mechanism of different focal according to different endoscopies and environment for use, easy to use and flexibly.Movable connection structure can adopt various structures to realize.As: the first mount pad is provided with female thread, and the second mount pad is provided with external screw thread, the movable connection structure described in female thread and external screw thread are formed, and the first mount pad is connected by screw thread with the second mount pad; Or, the inwall of the first mount pad is provided with symmetrically two chutes axially arranged, runner rear end is connected with one section of arcuate groove vertical with chute, the outer wall of the second described mount pad is provided with symmetrically the projection that two and chute and arcuate groove match, chute, arcuate groove and the movable connection structure described in protruding formation, the first mount pad and the second mount pad are moved by projection and snap fit onto in arcuate groove and realize being flexibly connected in chute.During installation, projection is snapped in chute, and promote focussing mechanism and make the protruding rear end sliding into chute in chute, then firmly one turn, make protruding immigration in arcuate groove, complete the clamping of focussing mechanism and photographic head.During dismounting, rotate focussing mechanism, make projection forward runner rear end to, then with regard to stretchy focussing mechanism, projection is moved outward in chute, completes dismounting.This structure, dismounting is also very convenient.
As preferably, described hand grip portion is provided with microswitch of taking pictures, and microswitch of taking pictures is connected with the control circuit of described imageing sensor.Microswitch of taking pictures just in time is positioned at the position that when holding, finger is placed, easy to operate, can take down the still image needed at any time, realize camera function by operation microswitch, easy to use.
As preferably, the front end of described focussing mechanism is provided with fast connecting card ring, and focussing mechanism is connected with described ring lighting device by fast connecting card ring, the outer loose collar that described fast connecting card ring comprises connected upper cover and lower cover and is located between upper cover and lower cover, lock banking stop, retainer ring and interior loose collar, interior loose collar is contained in the bottom of retainer ring, interior loose collar has two symmetrically arranged grooves, groove is provided with spring, retainer ring and lower cover affixed, the end face of retainer ring is provided with three pin-and-holes be uniformly distributed along the circumference, described outer loose collar is provided with three chutes, described lock banking stop has three, the two ends of lock banking stop are respectively equipped with upper pin and lower bearing pin, lower bearing pin is inserted in described pin-and-hole, upper pin is inserted in described chute, three lock banking stops are along the circumference uniform distribution of described retainer ring, the side of described outer loose collar is provided with locking head, the sidewall of described upper cover is provided with an a plush copper and breach down, described locking head is stuck in described breach.During use, stir the plush copper covered, inside and outside loose collar rotates, the upper pin of lock banking stop slides in chute, drive lock banking stop is retracted, and loose collar Compress Spring simultaneously, at this moment puts into fast connecting card ring by the eyepiece end of ring lighting device, unclamp plush copper, under the action of the spring, inside and outside loose collar resets, and lock banking stop ejects, block the eyepiece end of ring lighting device, complete locking action.Structure is ingenious, easy to connect and fast, locking is firm.
As preferably, described endoscope is orifice and rectal intestine endoscope, orifice and rectal intestine endoscope comprises lens barrel and stretches into the occluder in lens barrel, lens barrel rear end is symmetrically arranged with two buckles, the irradiation end of described ring lighting device is provided with external screw thread, irradiate the external screw thread of end and described buckle clamping, described lens barrel adopts clear acrylic to make.Two buckles can be regarded as a kind of simple screw thread, are threaded with the irradiation end of ring lighting device by rotating lens barrel, and revolving when reality uses turns around both about half can connect.The connecting end surface fineness that the irradiation end of lens barrel and ring lighting device contacts wants high, to increase the transmitance of light, otherwise easily forms diffuse-reflectance, affects translucent effect.
As preferably, described LED cold light source comprises LED and LED cold light source control circuit, LED cold light source control circuit comprises micro controller unit, push-button unit, display unit, display driver unit, illuminance sampling unit, illuminance regulon, light source control system of switching on or off electricity unit, temperature sampling unit and the fan speed regulation unit be connected with blower fan, temperature sampling unit and blower fan are located at by LED respectively, described push-button unit, display driver unit, illuminance sampling unit, illuminance regulon, light source control system of switching on or off electricity unit, temperature sampling unit and fan speed regulation unit are connected with described micro controller unit respectively, display driver unit is connected with described display unit again, illuminance regulon is connected with described LED.Set various running parameter by push-button unit, micro controller unit exports according to setting and controls to light source control system of switching on or off electricity unit, opens or closing control LED.Illuminance sampling unit Real-time Collection illuminance, and flow to micro controller unit, through micro controller unit process, and setting value compares, and exports control signal to illuminance regulon, automatically the illuminance of LED is adjusted to desired value.Meanwhile, micro controller unit outputs signal to display driver unit, by display driver unit controls display unit, shows Real-Time Optical illumination.The temperature of temperature sampling unit Real-time Collection LED, and flow to micro controller unit, through micro controller unit process, send display unit to show temperature value.Further, once temperature value is too high, namely exceed setting value, then micro controller unit exports control signal fan speed adjustment unit, makes blower fan accelerated service, reaches cooling object, realize overtemperature prote.
The invention has the beneficial effects as follows: illuminance is strong, and light efficiency is high, and do not throw light on dim spot, uniform illumination, guarantees that viewed in-vivo image is perfectly clear, and is conducive to the diagnosis of doctor to conditions of patients.Focussing mechanism realizes being connected fast by fast connecting card ring and ring lighting device, and easy to operate, locking is firm.Hand-held camera and focussing mechanism are movably connected by movable connection structure, can be replaced with the focussing mechanism of different focal according to different endoscopies and environment for use, easy to use and flexibly.The still image needed can be taken down at any time by operation microswitch, realize camera function.LED cold light source realizes the automatic adjustment of temperature and light illumination and the automatic unlatching of LED or cut out, reaches convenient, flexibly and safety, efficiently object.
Accompanying drawing explanation
Fig. 1 is a kind of decomposition texture schematic diagram of the present invention.
Fig. 2 is the axial sectional structure schematic diagram of one of ring lighting device in the present invention.
Fig. 3 is a kind of sectional structure schematic diagram of hand-held camera in the present invention.
Fig. 4 is the axial sectional structure schematic diagram of one of focussing mechanism in the present invention.
Fig. 5 is the main TV structure schematic diagram of one of fast connecting card ring in the present invention.
Fig. 6 is a kind of stereo decomposing structural representation of fast connecting card ring in the present invention.
Fig. 7 is a kind of perspective view of the outer loose collar of fast connecting card ring in the present invention.
Fig. 8 is the axial sectional structure schematic diagram of one of endoscope in the present invention.
Fig. 9 is a kind of circuit theory syndeton block diagram of LED cold light source control circuit in the present invention.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: the electronic digital endoscope of the present embodiment, as shown in Figure 1, comprise endoscope 1, ring lighting device 2, hand-held camera 3, focussing mechanism 4, LED cold light source 5 and aerating device 6, endoscope 1, ring lighting device 2, focussing mechanism 4 and hand-held camera 3 are connected by respective movable connection structure successively, and LED cold light source 5, aerating device 6 are connected with ring lighting device 2 respectively.
As shown in Figure 3, hand-held camera 3 comprise with hand grip portion 33 housing 32, be installed on imageing sensor 34 in housing 32 and infrared fileter 35.Housing 32 to be connected with right shell body by left shell and to form, the front end of left shell and right shell body has two buckles 313 respectively, left shell is connected by the engaging of buckle 313 one_to_one corresponding with the front end of right shell body, it is fastening that the rear end of left shell and right shell body and the afterbody of hand grip portion 33 pass through self-tapping screw 314, and the cable be connected with video camera internal control circuit extends to outside from the afterbody of hand grip portion 33.The leading flank of hand grip portion 33 is provided with microswitch 38 of taking pictures, and microswitch of taking pictures just in time is positioned at the position that when holding, finger is placed, and microswitch of taking pictures 38 is connected with video camera internal control circuit.What the front end of housing 32 was provided with the first mount pad 36, first mount pad 36 is followed successively by infrared fileter 35 and imageing sensor 34 below.As shown in Figure 4, the outer wall of the rear end of focussing mechanism 4 inwall and the second mount pad 47 that are provided with the second mount pad 47, first mount pad 36 has the movable connection structure matched each other.In the present embodiment, the first mount pad 36 has female thread, and the second mount pad 47 has external screw thread, and female thread and external screw thread form movable connection structure, and the first mount pad 36 is connected by screw thread with the second mount pad 47.
The front end of focussing mechanism 4 is provided with fast connecting card ring 40, and focussing mechanism 4 is connected with the eyepiece end of ring lighting device 2 by fast connecting card ring 40.As Fig. 5, Fig. 6, shown in Fig. 7, the outer loose collar 417 that fast connecting card ring 40 comprises connected upper cover 415 and lower cover 416 and is installed between upper cover 415 and lower cover 416, lock banking stop 410, retainer ring 418 and interior loose collar 419, interior loose collar 419 is contained in the bottom of retainer ring 418, interior loose collar 419 has two symmetrically arranged grooves 420, spring 421 groove 420 is equipped with, retainer ring 418 there are three stop bit posts 428 down, stop bit post is inserted in down in three spacing holes 429 covered, realize the affixed of retainer ring and lower cover 416, the end face of retainer ring 418 there are three pin-and-holes be uniformly distributed along the circumference 422, outer loose collar 417 there are three chutes 423, the two ends of lock banking stop 410 have upper pin 424 and lower bearing pin 425 respectively, lower bearing pin 425 is inserted in pin-and-hole 422, upper pin 424 is inserted in chute 423, three lock banking stops 410 are along the circumference uniform distribution of retainer ring 418, there is locking head 411 side of outer loose collar 417, the sidewall of upper cover 415 there is convex 4 26 and a breach 427 down, locking head 411 is stuck in breach 427.
As shown in Figure 2, ring lighting device 2 comprises toroidal shell 21 and the logical light pipe 22 that is connected on the sidewall of toroidal shell 21 and breather 23, the axis of breather 23 and the axes normal of toroidal shell 21, angle α between the axis of logical light pipe 22 and the axis of toroidal shell 21 is 60 °, and the irradiation end 25 of toroidal shell 21 is pointed on the top of angle α.The inner space of breather 23 and toroidal shell 21, the lateral wall, termination of breather 23 is conical surfaces 212, the lateral wall of breather 23 also have two loop convex tendons 213, ring-type convex tendon 213 is arranged near the conical surface 212 afterbody, be convenient to be connected with the leather hose of aerating device 6, in the present embodiment, aerating device 6 adopts doubly-linked balloon.The inwall of logical light pipe 22 has one deck optical fibers layer 24, and optical fibers layer 24 is covered with the inwall of whole logical light pipe 22, and there are external screw thread and clamping joint in the termination of logical light pipe 22, and be convenient to be connected with light guide bundles, light guide bundles is connected with the light output mouth of LED cold light source 5 again.The inwall of toroidal shell 21 there is a circle optical fibers layer 24, optical fibers layer 24 on toroidal shell 21 inwall is between the junction and the irradiation end 25 of toroidal shell 21 of logical light pipe 22 and toroidal shell 21, optical fibers layer 24 in logical light pipe 22 is connected with the optical fibers layer 24 in toroidal shell 21, forms path channels.Have a book wall stainless steel tube 26 in toroidal shell 21, the optical fibers layer 24 in toroidal shell 21 is between book wall stainless steel tube 26 and toroidal shell 21 inwall, affixed by glue between three.The irradiation end 25 of toroidal shell 21 has external screw thread, for being connected with endoscope; The eyepiece end 27 of toroidal shell 21 has a circle boss 28, for fast connecting card ring 40 clamping on focussing mechanism 4, the inwall of the toroidal shell 21 corresponding with boss 28 position has a circle shoulder, shoulder is provided with a block protection glass 29.LED cold light source 5 comprises LED and LED cold light source control circuit, as shown in Figure 9, LED cold light source control circuit comprises micro controller unit 51, push-button unit 52, display unit 53, display driver unit 54, illuminance sampling unit 55, illuminance regulon 56, light source control system of switching on or off electricity unit 57, temperature sampling unit 510, fan speed regulation unit 511, voltage sampling unit 58 and current sampling unit 59, illuminance regulon 56 is connected with LED, temperature sampling unit 510 is installed on by LED, fan speed regulation unit 511 is connected with the blower fan being installed on LED side, push-button unit 52, display driver unit 54, illuminance sampling unit 55, illuminance regulon 56, light source control system of switching on or off electricity unit 57, temperature sampling unit 510, fan speed regulation unit 511, voltage sampling unit 58 and current sampling unit 59 are connected with micro controller unit 51 respectively, display driver unit 54 is connected with display unit 53 again.Display unit 53 comprises illuminance indicating member and voltage indicating member, electric current indicating member and temperature indicating member.
In the present embodiment, endoscope 1 is orifice and rectal intestine endoscope, as shown in Figure 8, orifice and rectal intestine endoscope comprises lens barrel 11 and stretches into the occluder 12 in lens barrel 11, lens barrel 11 rear end is symmetrically arranged with two buckles 13, the external screw thread clamping of the irradiation end 25 of these two buckles and ring lighting device 2, lens barrel 11 adopts clear acrylic to make, occluder 12 adopts high-density polyethylene plastics to make, the connecting end surface 14 that the irradiation end 25 of lens barrel 11 and ring lighting device contacts makes the higher transparent area of fineness, likeness in form minute surface, to increase the transmitance of light.
Hand-held camera of the present invention and focussing mechanism are movably connected by movable connection structure, between the two easy accessibility, can be replaced with the focussing mechanism of different focal according to different endoscopies and environment for use, easy to use and flexibly.The still image needed can be taken down at any time by operation microswitch, realize camera function.Focussing mechanism can realize being connected and being separated fast with ring lighting device by fast connecting card ring, and is connected firmly, very easy to use.During use, stir the plush copper covered, inside and outside loose collar rotates, the upper pin of lock banking stop slides in chute, drive lock banking stop is retracted, and loose collar Compress Spring simultaneously, at this moment puts into fast connecting card ring by the eyepiece end of ring lighting device, unclamp plush copper, under the action of the spring, inside and outside loose collar resets, and lock banking stop ejects, block the eyepiece end of ring lighting device, complete locking action.The irradiation end of ring lighting device connects endoscope, and breather connects doubly-linked balloon, and logical light pipe connects light guide bundles, and light guide bundles is connected with LED cold light source again.The light that LED cold light source sends, optical fibers layer is passed to through light guide bundles, position in patient body illumination detected to endoscope by optical fibers layer, illuminance is strong, light efficiency is high, and do not throw light on dim spot, uniform illumination, guarantee that viewed in-vivo image is perfectly clear, be conducive to the diagnosis of doctor to conditions of patients.The LED cold light source display temperature of LED, voltage, electric current and illuminance value, the setting of relevant operating conditions and parameter is carried out by button operation, the automatic control of opening LED or closing, controls LED by illuminance regulon and exports suitable illuminance.Control blower fan by detected temperatures, make LED maintain uniform temperature.Real-Time Monitoring is carried out to the running voltage of LED, electric current, temperature, once exceed the value of permission, closes LED by light source control system of switching on or off electricity unit immediately, reach the object of proterctive equipment and patient safety.
Claims (9)
1. an electronic digital endoscope, it is characterized in that comprising endoscope (1), ring lighting device (2), hand-held camera (3), focussing mechanism (4), LED cold light source (5) and aerating device (6), endoscope (1), ring lighting device (2), focussing mechanism (4) and hand-held camera (3) are connected by respective movable connection structure successively, and LED cold light source (5), aerating device (6) are connected with described ring lighting device (2) respectively, the front end of described focussing mechanism (4) is provided with fast connecting card ring (40), and focussing mechanism (4) is connected with described ring lighting device (2) by fast connecting card ring (40), the outer loose collar (417) that described fast connecting card ring (40) comprises connected upper cover (415) and lower cover (416) and is located between upper cover (415) and lower cover (416), lock banking stop (410), retainer ring (418) and interior loose collar (419), interior loose collar (419) is contained in the bottom of retainer ring (418), interior loose collar (419) has two symmetrically arranged grooves (420), groove (420) is provided with spring (421), retainer ring (418) and lower cover (416) affixed, the end face of retainer ring (418) is provided with three pin-and-holes be uniformly distributed along the circumference (422), described outer loose collar (417) is provided with three chutes (423), described lock banking stop (410) has three, the two ends of lock banking stop (410) are respectively equipped with upper pin (424) and lower bearing pin (425), lower bearing pin (425) is inserted in described pin-and-hole (422), upper pin (424) is inserted in described chute (423), three lock banking stops (410) are along the circumference uniform distribution of described retainer ring (418), the side of described outer loose collar (417) is provided with locking head (411), the sidewall of described upper cover (415) is provided with a plush copper (426) and breach (427) down, described locking head (411) is stuck in described breach (427).
2. electronic digital endoscope according to claim 1, it is characterized in that described ring lighting device (2) comprises toroidal shell (21) and the logical light pipe (22) be located on the sidewall of toroidal shell (21) and breather (23), one end of toroidal shell is for irradiating end (25), the other end is eyepiece end (27), irradiate end (25) to be connected with described endoscope (1), eyepiece end (27) is connected with described focussing mechanism (4), described breather (23) and the inner space of toroidal shell (21), the inflation leather hose of described aerating device (6) is connected on described breather (23), the inwall of logical light pipe (22) is provided with one deck optical fibers layer (24), optical fibers layer (24) is covered with the inwall of whole logical light pipe (22), the inwall of described toroidal shell (21) is provided with a circle optical fibers layer (24), between the junction that optical fibers layer (24) on toroidal shell (21) inwall is positioned at described logical light pipe (22) and toroidal shell (21) and the irradiation end (25) of toroidal shell (21), optical fibers layer (24) in logical light pipe (22) is connected with the optical fibers layer (24) in toroidal shell (21), form path channels, the termination of described logical light pipe (22) connects light guide bundles, light guide bundles is connected with the light output mouth of described LED cold light source (5) again.
3. electronic digital endoscope according to claim 2, it is characterized in that the axis of described breather (23) and the axes normal of described toroidal shell (21), angle α between the axis of described logical light pipe (22) and the axis of described toroidal shell (21) is 50 ° ~ 80 °, and the irradiation end (25) of toroidal shell (21) is pointed on the top of angle α.
4. the electronic digital endoscope according to Claims 2 or 3, it is characterized in that being provided with a book wall stainless steel tube (26) in described toroidal shell (21), the optical fibers layer (24) in described toroidal shell (21) is positioned between described book wall stainless steel tube (26) and toroidal shell (21) inwall.
5. the electronic digital endoscope according to Claims 2 or 3; it is characterized in that the eyepiece end (27) of described toroidal shell (21) is provided with a circle boss (28); the inwall of the toroidal shell (21) corresponding with boss (28) position is provided with a circle shoulder, shoulder is provided with a block protection glass (29).
6. electronic digital endoscope according to claim 1, it is characterized in that described hand-held camera (3) comprises the housing (32) with hand grip portion (33), be located at the imageing sensor (34) in housing (32) and infrared fileter (35), infrared fileter (35) is positioned at the front end of imageing sensor (34), the front end of housing (32) is provided with the first mount pad (36), the rear end of described focussing mechanism (4) is provided with the second mount pad (47), the inwall of the first mount pad (36) and the outer wall of the second mount pad (47) are provided with the movable connection structure matched each other.
7. electronic digital endoscope according to claim 6, it is characterized in that described hand grip portion (33) is provided with microswitch of taking pictures (38), microswitch of taking pictures (38) is connected with the control circuit of described imageing sensor (34).
8. the electronic digital endoscope according to claim 1 or 2 or 6, it is characterized in that described endoscope (1) is orifice and rectal intestine endoscope, orifice and rectal intestine endoscope comprises lens barrel (11) and stretches into the occluder (12) in lens barrel (11), lens barrel (11) rear end is symmetrically arranged with two buckles (13), the irradiation end (25) of described ring lighting device (2) is provided with external screw thread, irradiate external screw thread and described buckle (13) clamping of end (25), described lens barrel (11) adopts clear acrylic to make.
9. the electronic digital endoscope according to claim 1 or 2 or 6, it is characterized in that described LED cold light source (5) comprises LED and LED cold light source control circuit, LED cold light source control circuit comprises micro controller unit (51), push-button unit (52), display unit (53), display driver unit (54), illuminance sampling unit (55), illuminance regulon (56), light source control system of switching on or off electricity unit (57), temperature sampling unit (510) and the fan speed regulation unit (511) be connected with blower fan, temperature sampling unit (510) and blower fan are located at by described LED respectively, described push-button unit (52), display driver unit (54), illuminance sampling unit (55), illuminance regulon (56), light source control system of switching on or off electricity unit (57), temperature sampling unit (510) and fan speed regulation unit (511) are connected with described micro controller unit (51) respectively, display driver unit (54) is connected with described display unit (53) again, and illuminance regulon (56) is connected with described LED.
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| CN201310601289.8A CN103654703B (en) | 2013-11-22 | 2013-11-22 | Electronic digital endoscope |
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| CN201310601289.8A CN103654703B (en) | 2013-11-22 | 2013-11-22 | Electronic digital endoscope |
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| CN103654703B true CN103654703B (en) | 2015-07-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104188616B (en) * | 2014-09-22 | 2016-05-04 | 天津博朗科技发展有限公司 | A kind of stereo endoscope that is easy to assembling |
| CN104825123B (en) * | 2015-04-30 | 2017-05-10 | 张文涛 | High-luminous-efficiency endoscope |
| CN105511071B (en) * | 2016-01-19 | 2018-08-24 | 珠海康弘发展有限公司 | The method of endoscope, ray machine attachment device and the two-dimentional endoscopic system of transformation |
| CN108420390A (en) * | 2016-09-30 | 2018-08-21 | 北京华信佳音医疗科技发展有限责任公司 | A kind of fujinon electronic video endoscope |
| CN107456199A (en) * | 2017-09-11 | 2017-12-12 | 合肥德易电子有限公司 | A kind of intelligent radio scope pickup-light source system |
| CN109349996A (en) * | 2018-11-29 | 2019-02-19 | 郑州赛福特电子设备有限公司 | A kind of anoscope camera shooting light compensating apparatus |
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| CN103654703A (en) | 2014-03-26 |
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Denomination of invention: Electronic digital endoscope Effective date of registration: 20211009 Granted publication date: 20150708 Pledgee: Zhejiang Xiaoshan Rural Commercial Bank Co.,Ltd. xinwan sub branch Pledgor: HANGZHOU DALISHEN MEDICAL DEVICE Co.,Ltd. Registration number: Y2021330001856 |
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Date of cancellation: 20231027 Granted publication date: 20150708 Pledgee: Zhejiang Xiaoshan Rural Commercial Bank Co.,Ltd. xinwan sub branch Pledgor: HANGZHOU DALISHEN MEDICAL DEVICE CO.,LTD. Registration number: Y2021330001856 |