CN209932668U - Disposable electronic endoscope soft lens sheath body and endoscope device - Google Patents
Disposable electronic endoscope soft lens sheath body and endoscope device Download PDFInfo
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- CN209932668U CN209932668U CN201920402153.7U CN201920402153U CN209932668U CN 209932668 U CN209932668 U CN 209932668U CN 201920402153 U CN201920402153 U CN 201920402153U CN 209932668 U CN209932668 U CN 209932668U
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Abstract
The utility model discloses a soft mirror sheath body of disposable electronic endoscope and endoscope device through setting up mutually independent fibre channel and electronic endoscope passageway in the soft mirror sheath body of endoscope, has solved the problem of leaded light optic fibre to the interference of formation of image, has solved the problem that leaded light optic fibre installed and has increased the manufacturing process degree of difficulty in the endoscope simultaneously, has prolonged the life of the soft mirror sheath body of electronic endoscope.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to disposable electronic endoscope soft endoscope sheath body and endoscope device.
Background
According to the guidelines set forth by the American Society for Gastroenterology Nursery (SGNA), the steps of the endoscope sterilization process are 43 steps, and the process time is at least over half an hour. Even so, medical accidents caused by the problem of endoscope disinfection have been outbreaked in recent years, and the american society for emergency medicine (ECIR) proposed "twelve medical hazards in 2019" indicates that improper operation of disinfected soft lenses (endoscopes) can cause patient infection. Research experience shows that even if the endoscope after use is strictly disinfected, the occurrence of cross infection cannot be avoided, and the inherent defects of incomplete disinfection caused by complicated disinfection procedures and the complicated structure of the endoscope are still overcome. One possible solution is: the reusable endoscope is inserted into the disposable sheath body, and the disposable sheath body is discarded after use, so that the risk of cross infection is avoided.
Currently, the field of endoscopy technology has evolved from early fiber-conducting fiber endoscopes to electronic endoscopes based on light-sensing chip imaging. The electronic endoscope has the advantages of good image quality, strong brightness, large image, capability of detecting finer pathological changes, thinner outer diameter, clearer and more visual image and convenience in operation.
Chinese patent CN103381087A discloses a disposable endoscope sheath, which comprises an insertion portion, a control portion, and a locking portion. Wherein the insertion part includes sheath head, sheath pipe, and the control part includes main part, business turn over water valve and apparatus adjust knob, and lock mirror portion includes flexible mirror bridge, lock sleeve and protection casing. The sheath head is arranged at the front end of the insertion part, the back of the insertion part is connected with a sheath tube, the sheath tube is connected with a telescopic endoscope bridge of the endoscope locking part through a main body, the water inlet and outlet valve and the instrument adjusting knob are arranged on the endoscope sheath main body, and the sheath tube comprises an endoscope cavity, an instrument channel, a steel wire channel and a water inlet and outlet channel. The utility model can adapt to the requirements of different endoscopic operations, the disposable sheath tube is internally provided with a closed endoscope cavity, and the endoscope is drawn away after use and the disposable sheath tube is self-destructed. The utility model is suitable for an use from electronic endoscope who takes lighting system.
The electronic endoscope with the illumination system has two illumination modes, namely LED illumination and optical fiber illumination, and the problem that the LED dissipates heat after entering a human body needs to be solved. Due to the requirement for a reduced diameter endoscope, the installation of the illumination fiber in the endoscope increases the difficulty of the manufacturing process: on one hand, the illuminating optical fiber is easy to break and scrap in the assembling process of the endoscope, and the rate of finished products is reduced; on the other hand, during the use process, the bending is needed after the endoscope enters the body cavity, the bending fatigue strength of the illuminating optical fiber in the endoscope is lower than that of a wire, and research experience shows that the service life of the illuminating optical fiber in the electronic endoscope which is repeatedly used is lower than that of an image acquisition element. Therefore, the scheme of the endoscope with optical fiber illumination leads to the shortening of the service life of the endoscope, the reduction of the use efficiency and the increase of the use cost.
Chinese patent CN109171611A discloses an endoscope device, including the endoscope body, the endoscope body activity is pegged graft in the inside of mirror sheath, the sleeve pipe is installed to one side of mirror sheath, and the sleeve pipe is used as the imaging channel, sheathed tube internally mounted has leaded light optic fibre, be equipped with the aqueous vapor passageway between leaded light optic fibre and the sleeve pipe, the both ends of aqueous vapor passageway communicate respectively has aqueous vapor interface and aqueous vapor export, the tip of leaded light optic fibre is installed in leaded light optic fibre light-emitting opening, leaded light optic fibre light-emitting opening sets up in the sheathed tube tip. The utility model uses the disposable endoscope sheath, which solves the problem that the existing endoscope can not be sterilized or has poor sterilization tolerance; meanwhile, the light guide optical fiber is arranged on the disposable endoscope sheath, so that the light guide optical fiber is separated from the imaging, and the interference of stray light on the imaging is effectively reduced. However, the endoscope sheath provided by the patent is a hard endoscope sheath, the light guide optical fiber and the endoscope are both arranged in the sleeve, and the endoscope sheath structure is not suitable for a soft endoscope sheath body.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a disposable electronic endoscope soft lens sheath body and an endoscope device, wherein a lighting fiber channel and a sealed electronic endoscope channel are arranged in the sheath body, after medical diagnosis and use, the disposable sheath body which needs to enter the human body is directly discarded, the electronic endoscope soft lens is kept for repeated use, and the possibility of cross infection is avoided; meanwhile, the problem that the manufacturing process difficulty is increased when the light guide optical fiber is installed in the endoscope is solved, and the service life of the electronic endoscope soft lens is prolonged.
In order to achieve the above object, the present invention provides a sheath body for a disposable electronic endoscope soft endoscope, the sheath body comprises a head portion and a tail portion, the head portion comprises a bending portion and a head end portion; the tail part of the electronic endoscope is provided with a luer male interface, an illumination optical fiber interface and a water injection channel interface; an endoscope channel, an optical fiber channel and a water injection channel are axially arranged at the central part of the sheath body; one end of the endoscope channel extends to the tail of the sheath body to be connected with the electronic endoscope luer male interface, and the other end of the endoscope channel extends to the head of the sheath body to penetrate the head end part; one end of the optical fiber channel extends to the tail part of the sheath body to be connected with the lighting optical fiber interface, and the other end of the optical fiber channel extends to the head part of the sheath body to penetrate through the head end part; one end of the water injection channel extends to the tail part of the sheath body to be connected with the water injection channel interface, and the other end of the water injection channel extends to the head part of the sheath body to penetrate through the head end part; the optical fiber channel is internally provided with an illumination optical fiber for introducing illumination light; the side surface of the tail part of the sheath body is provided with a bent angle handle; one end of the steel wire rope penetrates through the endoscope channel to be connected with the bending handle, the other end of the steel wire rope penetrates through the endoscope channel to be connected with the head end part, and the bending handle controls the bending operation of the bending part through operating the steel wire rope.
Furthermore, the number of the illumination optical fiber channels at the head end part is more than two, and all the illumination optical fiber channels and the water injection channels are uniformly distributed around the endoscope channel.
Furthermore, the lighting optical fiber is composed of a plurality of optical fiber monofilaments, a plurality of optical fiber monofilaments form an optical fiber bundle, a sheath is arranged outside the optical fiber bundle, two ends of the optical fiber bundle are fixed through gluing, and the middle part of the optical fiber bundle can be bent.
Furthermore, one end of the optical fiber bundle, which is positioned at the head end part, is fixed by gluing and then is polished to be flush with the end face of the head end part; one end of the lighting optical fiber interface is fixed through the plug-in.
Furthermore, two cavities which are communicated with each other are axially arranged at the central part of the plug-in, a gluing surface is arranged in the first cavity, and the end part of the optical fiber bundle is inserted into the first cavity and fixed by gluing on the gluing surface; the peripheral face of second cavity is equipped with screw thread portion and rubberizing face, the plug-in components expert is beaten to glue on the rubberizing face and is fixed at illumination optic fibre interface, and light source optic fibre inserts the second cavity and accomplishes the fixing of plug-in components and light source optic fibre shell through screw thread portion, and the illumination light shines into illumination optic fibre through light source optic fibre.
Further, a sealing glass is arranged at the front end part of the endoscope channel.
In order to achieve the above object, a second aspect of the present invention provides an endoscope apparatus, including any one of the above-mentioned flexible endoscope sheath and the electronic endoscope, wherein a camera of the electronic endoscope is inserted into the endoscope channel and extends to a head end portion, and the electronic endoscope is connected to the flexible endoscope sheath through a luer.
Furthermore, the tail part of the electronic endoscope is provided with a video interface and a power supply interface, the middle part of the electronic endoscope is provided with a Ruhr female interface, the middle part of the electronic endoscope is connected with the head part of the electronic endoscope through a hollow hose, a data line is arranged in the hollow hose, and the head part of the electronic endoscope is provided with a camera; the hollow hose is inserted into an endoscope channel.
The utility model has the advantages that:
1. the utility model discloses a soft mirror sheath body of endoscope through set up mutually independent fibre channel and electronic endoscope passageway in the soft mirror sheath body of endoscope, has solved leaded light optic fibre to the interference problem of formation of image, has solved leaded light optic fibre simultaneously and has installed the problem that has increased the manufacturing process degree of difficulty in the endoscope, has prolonged the life of the soft mirror sheath body of electronic endoscope.
2. The utility model discloses a soft mirror sheath body of endoscope, the setting of illumination optic fibre is simple high-efficient, low in manufacturing cost, beats the sealed contact that cuts off illumination optic fibre and human body of gluing at the head end portion, reduces the harm of optic fibre, prolongs its life.
3. The utility model discloses an endoscope device, electron endoscope and soft mirror sheath body pass through luer interface connection, easy dismounting, and can furthest reduce the harm to the soft mirror sheath body at the dismouting in-process, improve its life, reduce use cost.
Drawings
Fig. 1 is a schematic structural view of a sheath body of a flexible endoscope of the present invention.
Fig. 2 is a schematic structural view of the head end of the sheath of the endoscope flexible endoscope of the present invention.
Fig. 3 is a schematic structural view of an illumination optical fiber plug-in unit of the endoscope soft endoscope sheath body of the present invention.
Fig. 4 is a schematic view of the electronic endoscope apparatus according to the present invention.
Fig. 5 is a schematic configuration diagram of an electronic endoscope of the electronic endoscope apparatus according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of the endoscope sheath, and fig. 2 is a schematic structural view of the head of the endoscope sheath.
As shown in fig. 1 and 2, the sheath for a disposable electronic endoscope flexible endoscope comprises a head portion and a tail portion, wherein the head portion comprises a bending portion 5 and a head end portion 4, and the head end portion is a part of the head portion. The tail part is provided with an electronic endoscope luer male interface 1, an illumination optical fiber interface 2 and a water injection channel interface 3. An endoscope channel 7, an optical fiber channel 8 and a water injection channel 9 are axially arranged at the central part of the sheath body. One end of the endoscope channel 7 extends to the tail of the sheath body to be connected with the electronic endoscope luer male interface 1, and the other end extends to the head of the sheath body to penetrate through the head end part 4. One end of the optical fiber channel 8 extends to the tail of the sheath body to be connected with the lighting optical fiber interface 2, the other end of the optical fiber channel extends to the head of the sheath body and then is divided into two parts in the head end part 4, and the two lighting optical fiber channels 8 and the 1 water injection channel 9 are uniformly distributed around the endoscope channel 7. The lighting quality can be improved by more than two optical fiber channels, the sheath body is symmetrical in structure and good in stress due to the design of uniform distribution, and the service life of the sheath body can be prolonged. One end of the water injection channel 9 extends to the tail part of the sheath body to be connected with the water injection channel interface 3, and the other end extends to the head part of the sheath body to penetrate through the head end part 4. The water injection channel 9 is used for introducing a flushing water flow and can also be used as a working channel of a surgical instrument. The side surface of the tail part of the sheath body is provided with a bent angle handle 6. The angle handle 6 can be set as one or two pairs of handles moving in two or four directions according to the use condition, and the number of the steel wire ropes corresponds to the number of the handles one by one. One end of the steel wire rope is welded on the control panel of the corner handle, and the other end of the steel wire rope passes through the endoscope channel 7 and is welded on the inner side surface of the head end part. For example, the angle handle is four-directional, four steel cables are equally divided into four parts on the circumference of the head end, and each part is respectively dragged by one steel cable. The control panel of the bend handle rotates through the bend handle, pulls the steel wire rope, pulls the head end part, and completes the bending of the sheath body.
The optical fiber channel 8 is internally provided with an illumination optical fiber. In this embodiment, the illumination fiber is composed of optical fiber monofilaments with a diameter of 55um, and a plurality of optical fiber monofilaments are combined to form a fiber bundle, which is covered by a sheath. At the middle part of the lighting optical fiber, no glue is applied among the optical fiber monofilaments, the position is movable and unfixed, and the optical fiber monofilaments can be bent and have toughness. At the two ends of the lighting optical fiber, the monofilaments are fixed by gluing, and the two ends are mounted in different ways, specifically as follows:
when the illumination optical fiber is installed in the illumination optical fiber channel at the head end of the sheath body as shown in fig. 2, the optical fiber monofilament inside the illumination optical fiber is divided into two bundles which respectively penetrate out of the channel opening of the illumination optical fiber channel 8, then the gluing and the fixing are performed, after the glue is cured, the polishing is performed by using abrasive paper, and the redundant optical fiber monofilament and the cured glue which penetrate out of the channel opening of the illumination optical fiber channel 8 are ground. The lighting optical fiber channel 8 is sealed by the optical fiber monofilament and the solidified glue, and the contact between a human body and the lighting optical fiber is isolated.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an illumination fiber optic package. As shown in the third figure, the insert is designed into a stepped cylinder shape, two cavities 14 and 18 which are mutually communicated are axially arranged at the center part of the insert, and a gluing surface 15 is arranged in the first cavity 14; the outer peripheral surface of the second cavity 18 is provided with a threaded portion 17 and a gluing surface 16. The plug-in is fixed in illumination fiber optic connector 2 through gluing 16, and the sealed fixing of gluing through gluing face 15 is inserted in first cavity 14 to the one end tip of optic fibre bundle, and its terminal surface keeps 1 ~ 2 millimeters coupling distance with illumination fiber end face in the light source optic fibre inserts second cavity 18, accomplishes the fixed of plug-in and light source optic fibre shell through screw portion. The external light source is a mature product on the market, the output end is a light source optical fiber, when the external light source is lighted, the illuminating light irradiates into the illuminating optical fiber through the light source optical fiber, and the illuminating optical fiber is conveyed to the head end part of the sheath body to realize optical fiber illumination.
Referring to fig. 4 and 5, fig. 4 is a schematic combination view of the electronic endoscope apparatus of the present invention; fig. 5 is a schematic configuration diagram of an electronic endoscope of the electronic endoscope apparatus according to the present invention.
As shown in fig. 4 and 5, the present invention further provides an endoscope apparatus including the soft endoscope sheath and the electronic endoscope. The electronic endoscope is composed of a head part, a middle part and a tail part. The tail part is provided with a video interface 10 and a power interface 11, and the middle part is provided with an electronic endoscope luer female interface 12. The middle part of the electronic endoscope is connected with the head part of the electronic endoscope through a hollow hose, a data line is arranged in the hollow hose, the head part of the electronic endoscope is provided with a camera 13, and the data line is connected with the camera 13 and the video interface 10.
The electronic endoscope enters the soft endoscope sheath body through the electronic endoscope luer male interface 1, and the electronic endoscope luer female interface 12 and the electronic endoscope luer male interface 1 are in sealed connection by adopting a luer joint structure; an electronic endoscope hose runs through the electronic endoscope channel 7 in the sheath so that the camera head 13 is advanced to the position of the head end portion 4. The electronic endoscope collects images through the electronic endoscope channel 7, and the end part of the electronic endoscope channel 7 is provided with the protective glass, so that the electronic endoscope channel is completely sealed from the electronic endoscope Ruhr male interface 1 to the electronic endoscope channel 7, the electronic endoscope can be used repeatedly due to the fact that the electronic endoscope is completely sealed during use, and only the disposable electronic endoscope sheath body needs to be replaced during next work.
Parts which are not specifically described in the above description are prior art or can be realized by the prior art.
Claims (8)
1. The sheath body of the disposable electronic endoscope soft endoscope is characterized by comprising a head part and a tail part, wherein the head part comprises a bending part and a head end part; the tail part of the electronic endoscope is provided with a luer male interface, an illumination optical fiber interface and a water injection channel interface; an endoscope channel, an optical fiber channel and a water injection channel are axially arranged at the central part of the sheath body; one end of the endoscope channel extends to the tail of the sheath body to be connected with the electronic endoscope luer male interface, and the other end of the endoscope channel extends to the head of the sheath body to penetrate the head end part; one end of the optical fiber channel extends to the tail part of the sheath body to be connected with the lighting optical fiber interface, and the other end of the optical fiber channel extends to the head part of the sheath body to penetrate through the head end part; one end of the water injection channel extends to the tail part of the sheath body to be connected with the water injection channel interface, and the other end of the water injection channel extends to the head part of the sheath body to penetrate through the head end part; the optical fiber channel is internally provided with an illumination optical fiber for introducing illumination light; the side surface of the tail part of the sheath body is provided with a bent angle handle; one end of the steel wire rope penetrates through the endoscope channel to be connected with the bending handle, the other end of the steel wire rope penetrates through the endoscope channel to be connected with the head end part, and the bending handle controls the bending operation of the bending part through operating the steel wire rope.
2. The sheath of a disposable electronic endoscope flexible lens according to claim 1, characterized in that the illumination fiber channel is divided into more than two at the head end part, and all the illumination fiber channels and the water injection channel are evenly distributed around the endoscope channel.
3. The sheath of a disposable electronic endoscope soft lens as claimed in claim 1, wherein the illumination fiber is composed of a plurality of fiber monofilaments, a plurality of fiber monofilaments are composed of a fiber bundle, a sheath is arranged outside the fiber bundle, two ends of the fiber bundle are fixed by gluing, and the middle part of the fiber bundle is bendable.
4. The sheath of a disposable electronic endoscope soft lens as described in claim 3, wherein one end of said optical fiber bundle at the head end is fixed by glue and then polished to be flush with the end surface of the head end; one end of the lighting optical fiber interface is fixed through the plug-in.
5. The sheath of the disposable electronic endoscope soft lens as recited in claim 4, wherein the central portion of the insert is axially provided with two cavities which are communicated with each other, a gluing surface is provided in the first cavity, and the end portion of the optical fiber bundle is inserted into the first cavity and fixed by gluing on the gluing surface; the peripheral face of second cavity is equipped with screw thread portion and rubberizing face, the plug-in components expert is beaten to glue on the rubberizing face and is fixed at illumination optic fibre interface, and light source optic fibre inserts the second cavity and accomplishes the fixing of plug-in components and light source optic fibre shell through screw thread portion, and the illumination light shines into illumination optic fibre through light source optic fibre.
6. The sheath for a disposable electronic endoscope as recited in claim 1, wherein a sealing glass is provided at a front end portion of the endoscope channel.
7. An endoscope apparatus, comprising the sheath of the flexible endoscope of any one of claims 1 to 6 and an electronic endoscope, wherein a camera of the electronic endoscope is inserted into the endoscope channel and extends to a head end portion, and the electronic endoscope and the sheath of the flexible endoscope are connected through a luer.
8. The endoscope apparatus as defined in claim 7, wherein the electronic endoscope has a video interface and a power interface at a tail portion, an electronic endoscope luer female interface at a middle portion, a hollow hose connecting the middle portion of the electronic endoscope and a head portion of the electronic endoscope, a data line in the hollow hose, and a camera at the head portion of the electronic endoscope; the hollow hose is inserted into an endoscope channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920402153.7U CN209932668U (en) | 2019-03-27 | 2019-03-27 | Disposable electronic endoscope soft lens sheath body and endoscope device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920402153.7U CN209932668U (en) | 2019-03-27 | 2019-03-27 | Disposable electronic endoscope soft lens sheath body and endoscope device |
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| CN209932668U true CN209932668U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920402153.7U Active CN209932668U (en) | 2019-03-27 | 2019-03-27 | Disposable electronic endoscope soft lens sheath body and endoscope device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846443A (en) * | 2019-03-27 | 2019-06-07 | 南京春辉科技实业有限公司 | Disposable electric endoscope soft lens sheath and endoscope apparatus |
| US20220105601A1 (en) * | 2020-10-06 | 2022-04-07 | Ebara Corporation | Optical film-thickness measuring apparatus and polishing apparatus |
-
2019
- 2019-03-27 CN CN201920402153.7U patent/CN209932668U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846443A (en) * | 2019-03-27 | 2019-06-07 | 南京春辉科技实业有限公司 | Disposable electric endoscope soft lens sheath and endoscope apparatus |
| US20220105601A1 (en) * | 2020-10-06 | 2022-04-07 | Ebara Corporation | Optical film-thickness measuring apparatus and polishing apparatus |
| US11951588B2 (en) * | 2020-10-06 | 2024-04-09 | Ebara Corporation | Optical film-thickness measuring apparatus and polishing apparatus |
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