CN111772557A - Disposable superfine flexible catheter and electronic endoscope - Google Patents
Disposable superfine flexible catheter and electronic endoscope Download PDFInfo
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- CN111772557A CN111772557A CN202010668131.2A CN202010668131A CN111772557A CN 111772557 A CN111772557 A CN 111772557A CN 202010668131 A CN202010668131 A CN 202010668131A CN 111772557 A CN111772557 A CN 111772557A
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- camera
- electronic endoscope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00103—Constructional details of the endoscope body designed for single use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00089—Hoods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0052—Constructional details of control elements, e.g. handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a disposable superfine flexible catheter, wherein an instrument channel, a camera shooting channel and an illuminating optical fiber are arranged in a catheter body, and extend along the length direction of the catheter body; the front end of the camera shooting channel is provided with a protective cover. Through above-mentioned optimal design's disposable superfine soft pipe, through setting up apparatus channel and the passageway of making a video recording, use with the endoscope cooperation, as aseptic consumptive material, need not the disinfection, abandon with low costs, electronic endoscope can use repeatedly, and working diameter is little, and application scope is wide, and the image field of vision is big, improves the image field of vision when doctor operates, reduces use cost, need not the disinfection moreover, convenient operation. The invention further provides the electronic endoscope.
Description
Technical Field
The invention relates to the field of endoscopic surgery, in particular to a disposable superfine flexible catheter and an electronic endoscope.
Background
The superfine flexible electronic endoscope can enter the thinner cavities of the human body to observe and treat the tiny cavities of the human body. The superfine flexible electronic endoscope with the working diameter less than 3mm can enter tiny cavities of a bile duct, a lymphatic duct, a ureter, a bronchus and the like of a human body, and has wide clinical significance in assisting flexible instruments in diagnosis and treatment.
However, the conventional ultra-thin flexible electronic endoscope is reusable, on one hand, the risk of cross infection exists, on the other hand, the CCD/CMOS camera module and the illumination optical fiber are both arranged in the handle insertion part, the production and maintenance costs are high, and due to the factors, manufacturers and clinicians tend to be disposable flexible electronic endoscopes more and more. Relevant researchers at home and abroad have conducted relevant research in order to develop disposable soft electronic endoscopes that avoid cross-infection and reduce costs.
The introduction handle and the insertion part of the patent document of the disposable endoscope (publication No. CN207679418U) are made of non-metal materials, although the production cost is reduced compared with that of a reusable soft electronic endoscope, the cost of a camera module arranged in the insertion part is high, and the disposable endoscope cannot be used in a true sense after being discarded in one operation; the patent document "disposable electronic endoscope" (publication No. CN106821286A) introduced a disposable electronic endoscope composed of an endoscope main body and a disposable scope body, and although the problems of cross infection and low disposal cost were solved, there were several problems: (1) the insertion part is internally provided with 1 working cavity channel, 2 light guide channels and 1 flexible tube channel for accommodating the camera module, the structure is complex, the operation is complicated, and the 4 channels cause the working diameter of the insertion part to be far more than 3mm, so that the insertion part cannot be applied to a disposable superfine soft electronic endoscope; (2) the connection port on the endoscope main body is matched with the disposable endoscope body in a transition fit mode, a positioning device is not arranged, a doctor is difficult to find the correct operation direction of the photographing module at the tip part of the disposable endoscope body during operation, and the transition fit is unreliable due to looseness caused by abrasion after long-time use; (3) the disposable endoscope protective cover is optical glass with a film coated with a certain thickness, is arranged in the tip part, reduces the field angle of the camera module and influences the visual field of an operation image.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a disposable superfine flexible catheter and an electronic endoscope.
The invention provides a disposable superfine soft catheter, which comprises a catheter body;
the catheter body is internally provided with an instrument channel, a camera shooting channel and an illuminating optical fiber, and the instrument channel, the camera shooting channel and the illuminating optical fiber extend along the length direction of the catheter body; the front end of the camera shooting channel is provided with a protective cover.
Preferably, the catheter body includes an operating portion, an insertion portion, a bending portion, and a tip portion, to which the protector is attached, connected in this order along a length direction thereof.
Preferably, the operation part is provided with a camera inlet communicated with the camera channel, an instrument inlet communicated with the instrument channel and an optical fiber tip connected with the illumination optical fiber.
Preferably, the operating part is provided with a camera socket, and the camera inlet is positioned on the camera socket.
Preferably, the operating portion is provided with a control knob for driving the bending portion to bend.
According to the disposable superfine flexible catheter, the catheter body is internally provided with an instrument channel, a camera shooting channel and an illuminating optical fiber, and the instrument channel, the camera shooting channel and the illuminating optical fiber extend along the length direction of the catheter body; the front end of the camera shooting channel is provided with a protective cover. Through above-mentioned optimal design's disposable superfine soft pipe, through setting up apparatus channel and the passageway of making a video recording, use with the endoscope mirror body cooperation, as aseptic consumptive material, need not the disinfection, abandon with low costsly, electronic endoscope can use repeatedly, and working diameter is little, and application scope is wide, and the image field of vision is big, improves the image field of vision when doctor operates, reduces use cost, need not the disinfection moreover, convenient operation.
The invention also provides an electronic endoscope which comprises the superfine flexible guide tube for the disposable electronic endoscope.
Preferably, the device further comprises a camera, a soft insert and a connecting piece;
the soft insert is located the passageway of making a video recording, and the camera is located soft insert front end and is located the safety cover, and the connecting piece is kept away from camera one end with soft insert and is connected, is equipped with the circular connector on the connecting piece.
Preferably, one end of the connecting piece facing the soft inserting piece is provided with a plug-in connector matched with the camera shooting plug-in socket.
Preferably, the camera plug socket is provided with a plug groove for accommodating the plug, the side wall of the plug is provided with a positioning groove extending along the axial direction, and the side wall of the plug groove is provided with a positioning screw matched with the positioning groove.
Preferably, the inner wall of the insertion groove is provided with a limit key groove extending along the axial direction, and the plug is provided with a key body matched with the limit key groove.
In the present invention, the proposed electronic endoscope comprises the above-mentioned superfine flexible conduit for disposable electronic endoscope, and the technical effect thereof is similar to that of the above-mentioned superfine flexible conduit for disposable electronic endoscope, and therefore, the detailed description thereof is omitted.
Drawings
Fig. 1 is a schematic structural view of a disposable ultra-thin flexible catheter according to the present invention.
Fig. 2 is a partial structural view of the distal end portion of fig. 1.
Fig. 3 is a partially cross-sectional schematic view of the tip portion of fig. 1.
Fig. 4 is a partially enlarged schematic view of the camera socket of fig. 1.
Fig. 5 is a schematic structural diagram of an electronic endoscope without a catheter body.
Fig. 6 is a partial structural view of the connector of fig. 5.
Detailed Description
As shown in fig. 1 to 6, fig. 1 is a schematic structural view of a disposable ultra-thin flexible catheter according to the present invention, fig. 2 is a schematic partial structural view of a distal end portion of fig. 1, fig. 3 is a schematic partial cross-sectional view of the distal end portion of fig. 1, fig. 4 is a schematic partial enlarged view of an image capturing socket of fig. 1, fig. 5 is a schematic structural view of an electronic endoscope without a catheter body mounted thereon according to the present invention, and fig. 6 is a schematic partial structural view of a connector of fig. 5.
Referring to fig. 1 to 4, the present invention provides a disposable ultra-thin flexible catheter, which comprises a catheter body;
an instrument channel 10, a camera shooting channel 11 and an illumination optical fiber 9 are arranged in the catheter body, and the instrument channel 10, the camera shooting channel 11 and the illumination optical fiber 9 extend along the length direction of the catheter body; the front end of the camera channel 11 is provided with a protective cover 8.
In a specific selection of illumination fibers, both glass and plastic illumination fibers may be used.
In the selection of the material of the protective cover, the protective cover can be made of optical glass plated with an optical anti-reflection film, so that the light transmittance is increased, and the image output quality is improved.
In this embodiment, in the proposed disposable ultra-thin flexible catheter, the catheter body is provided with an instrument channel, a camera channel and an illumination fiber, and the instrument channel, the camera channel and the illumination fiber extend along the length direction of the catheter body; the front end of the camera shooting channel is provided with a protective cover. Through above-mentioned optimal design's disposable superfine soft pipe, through setting up apparatus channel and the passageway of making a video recording, use with the endoscope cooperation, as aseptic consumptive material, need not the disinfection, abandon with low costs, electronic endoscope can use repeatedly, and working diameter is little, and application scope is wide, and the image field of vision is big, improves the image field of vision when doctor operates, reduces use cost, need not the disinfection moreover, convenient operation.
In a specific embodiment of the catheter body, the catheter body includes an operation portion 4, an insertion portion 3, a bending portion 2, and a tip portion 1 connected in this order in a longitudinal direction thereof, and a boot 8 is attached to the tip portion 1.
Further, in a specific design of the operation portion, the operation portion 4 is provided with an imaging inlet communicating with the imaging channel 11, an instrument inlet 7 communicating with the instrument channel 10, and an optical fiber tip 12 connected to the illumination optical fiber 9.
Referring to fig. 5 and 6, the present embodiment also proposes an electronic endoscope including the above-mentioned ultra-thin flexible catheter for a disposable electronic endoscope.
In a specific design manner, the electronic endoscope of the present embodiment further includes a camera 16, a flexible insert 17, and a connector 18;
the soft insert 17 is located in the camera channel 11, the camera 16 is located at the front end of the soft insert 17 and located in the protective cover 8, the connecting piece 18 and one end, far away from the camera 16, of the soft insert 17 are connected, and the aviation plug 20 is arranged on the connecting piece 18.
In the specific working process of the disposable superfine soft catheter electronic endoscope of the embodiment, one end of the camera of the soft insertion piece is inserted into the camera from the camera inlet of the operation part until the camera is positioned in the protective cover, and the connecting piece is connected with the operation part, so that the light source interface of the connecting piece is connected with the optical fiber end, when the camera shoots, the shooting position is illuminated through the optical fiber, the image illumination is ensured, then the connecting piece is connected with an external imaging system through an aviation plug and an external signal, the image is sequentially transmitted through a video power line, and the aviation plug and the imaging system are displayed on a medical monitor.
In order to increase the light transmittance during shooting, the protective cover 8 is made of optical glass coated with an antireflection film, so that the influence on the resolution of the image shot by the camera is reduced.
In order to adjust the camera view of the camera as required, the operating part 4 is provided with a control knob 5 for driving the bending part 2 to bend, the bending part usually adopts a snake bone structure, and the control knob drives the bending part to rotate, so that the camera in the front end part is steered.
In the specific design of the operation portion, the camera socket 6 is arranged on the operation portion 4, the camera inlet is positioned on the camera socket 6, and correspondingly, the connector 18 is provided with a plug 19 matched with the camera socket 6 towards one end of the soft insert 17, so as to be conveniently connected with the connector.
In the concrete design of the socket of making a video recording, be equipped with the inserting groove that is used for holding bayonet joint 19 on the bayonet joint 6 of making a video recording, 19 lateral walls of bayonet joint are equipped with along axially extended constant head tank 21, the inserting groove lateral wall install with constant head tank 21 complex set screw 13 guarantees socket and bayonet joint complex reliability, inserts the back and locks through set screw and constant head tank cooperation.
In order to position the plug connector during installation, the inner wall of the plug connector is provided with a limit key groove 15 extending along the axial direction, and the plug connector 19 is provided with a key body 23 matched with the limit key groove 15, so that the camera 16 inserted into the disposable superfine flexible catheter cannot rotate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A disposable electronic endoscope used superfine flexible conduit is characterized by comprising a conduit body;
an instrument channel (10), a camera channel (11) and an illumination optical fiber (9) are arranged in the catheter body, and the instrument channel (10), the camera channel (11) and the illumination optical fiber (9) extend along the length direction of the catheter body; the front end of the camera shooting channel (11) is provided with a protective cover (8).
2. The disposable ultra-fine flexible catheter as recited in claim 1, wherein the catheter body comprises an operation part (4), an insertion part (3), a bending part (2) and a tip part (1) which are connected in order along a length direction thereof, and a protective cap (8) is mounted on the tip part (1).
3. The disposable ultra-fine flexible catheter as recited in claim 2, wherein the operation portion (4) is provided with a camera inlet communicating with the camera channel (11), an instrument inlet (7) communicating with the instrument channel (10), and an optical fiber tip (12) connected to the illumination optical fiber (9).
4. The disposable ultra-fine flexible catheter as recited in claim 3, wherein the operation portion (4) is provided with a camera socket (6), and the camera inlet is located on the camera socket (6).
5. The disposable ultra-fine flexible catheter as recited in claim 3, wherein the operation portion (4) is provided with a control knob (5) for driving the bending portion (2) to bend.
6. An electronic endoscope comprising the ultra-thin flexible catheter for a disposable electronic endoscope according to any one of claims 1 to 5.
7. The electronic endoscope according to claim 6, characterized by further comprising a camera (16), a soft insert (17), a connector (18);
soft insert (17) are located camera channel (11), camera (16) are located soft insert (17) front end and are located safety cover (8), connecting piece (18) and soft insert (17) keep away from camera (16) one end and are connected, are equipped with aviation plug (20) on connecting piece (18).
8. An electronic endoscope according to claim 7, characterized in that the connecting piece (18) is provided, towards the end of the flexible insert (17), with a plug (19) for cooperation with the camera socket (6).
9. The electronic endoscope of claim 8, wherein the camera socket (6) is provided with a socket for accommodating the plug (19), the side wall of the plug (19) is provided with a positioning groove (21) extending along the axial direction, and the side wall of the socket is provided with a positioning screw (13) matched with the positioning groove (21).
10. The electronic endoscope of claim 9, wherein the inner wall of the insertion groove is provided with a limit key groove (15) extending along the axial direction, and the insertion head (19) is provided with a key body (23) matched with the limit key groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668131.2A CN111772557A (en) | 2020-07-13 | 2020-07-13 | Disposable superfine flexible catheter and electronic endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668131.2A CN111772557A (en) | 2020-07-13 | 2020-07-13 | Disposable superfine flexible catheter and electronic endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111772557A true CN111772557A (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010668131.2A Pending CN111772557A (en) | 2020-07-13 | 2020-07-13 | Disposable superfine flexible catheter and electronic endoscope |
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| CN (1) | CN111772557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331777A (en) * | 2021-06-16 | 2021-09-03 | 西安交通大学 | Angle-adjustable endoscope for obstetrics and gynecology department |
-
2020
- 2020-07-13 CN CN202010668131.2A patent/CN111772557A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331777A (en) * | 2021-06-16 | 2021-09-03 | 西安交通大学 | Angle-adjustable endoscope for obstetrics and gynecology department |
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