CN112006646B - Visualization method for interior of uterine cavity of obstetrics and gynecology department - Google Patents

Visualization method for interior of uterine cavity of obstetrics and gynecology department Download PDF

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Publication number
CN112006646B
CN112006646B CN202010937859.0A CN202010937859A CN112006646B CN 112006646 B CN112006646 B CN 112006646B CN 202010937859 A CN202010937859 A CN 202010937859A CN 112006646 B CN112006646 B CN 112006646B
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pipe
lens
visual
suction port
module
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CN112006646A (en
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张艳亭
郭烘宇
刘雯
寇应琳
侯晨辉
聂文静
马海丽
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Zhengzhou Railway Vocational and Technical College
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Zhengzhou Railway Vocational and Technical College
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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
    • A61B1/303—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 for the vagina, i.e. vaginoscopes
    • 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
    • A61B1/045—Control thereof
    • 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
    • A61B1/05—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 characterised by the image sensor, e.g. camera, being in the distal end portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42—Gynaecological or obstetrical instruments or methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42—Gynaecological or obstetrical instruments or methods
    • A61B2017/4216—Operations on uterus, e.g. endometrium

Abstract

The invention relates to a visual device for the interior of a uterine cavity of a gynaecology and obstetrics department, which comprises a suction tube (1) and a camera assembly (10) arranged in the suction tube (1); the invention adopts a two-in-one structure, increases the visualization function, reduces the uterine blood reflux, is convenient to operate, avoids blind scraping and achieves the aim of minimally invasive surgery.

Description

Visualization method for interior of uterine cavity of obstetrics and gynecology department
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a visualization method for the interior of a uterine cavity of a gynaecology and obstetrics department.
Background
The uterine cavity operation of obstetrics and gynecology department mainly refers to the artificial abortion of women, also includes the placing or taking out of intrauterine devices, the taking out of residual bone fragments or foreign matters, etc., the early artificial abortion operation is uterine aspiration operation and forceps and curettage operation, the traditional gynecological operations have blindness, completely depend on the hand feeling of the operating doctor, the doctor can not directly see the uterine perforation, residual bleeding, secondary infertility, etc. complications are easy to cause,
the operation method of the traditional negative pressure uterine aspiration artificial abortion operation comprises the following steps: the operator connects the rubber tube with the suction head, and one end of the rubber tube is connected with the negative pressure suction apparatus. The suction head is gently put into the uterine cavity until the bottom of the uterine cavity, then the suction head is withdrawn a little, a switch of a suction apparatus is turned on by a foot, the suction force of a negative pressure gauge is 400-500mmHg, the suction head rotates in the uterine cavity to search the implantation part of the pregnant sac, the pregnant sac is generally implanted on the front wall and the rear wall of the uterine cavity, when the pregnant sac is found, the suction head rotates slightly at the position, sucks the tissues up and down, rotates and sucks the tissues around the uterine cavity once, the uterine cavity can be felt to be gradually reduced, the suction head is pasted with the uterine wall in a purple manner to indicate that the placenta tissues are completely sucked, at the moment, the suction head is taken out after the rubber tube is pinched, and the suction head is taken out without taking negative feet into and out the cervical tube.
The traditional negative pressure uterine aspiration artificial abortion operation is a blind operation in a uterine cavity by virtue of experience and hand feeling of an operator; the position of a pregnant sac in a uterine cavity cannot be accurately determined and whether embryo miss tissues are cleared up or not can be judged, the whole operation process is carried out under the condition of indirect visualization, the method has certain blindness, the size of the pregnant sac is small in the early development stage of the pregnant sac, when an operator uses a negative pressure suction tube to suck and scrape the uterine cavity, the large-area uterine curettage is needed, the damage to the uterine cavity is large, complications such as incomplete uterine suction and the like are easy to cause, stimulation can be applied to the vagus nerve due to the introduction of negative pressure physical factors and uterine cavity instruments, and the pain of the pregnant woman and the general adverse reaction of the pregnant woman are caused.
Disclosure of Invention
The invention aims to solve the problems in the background art, and provides a visualization method for the interior of a uterine cavity of a obstetrics and gynecology department, which adopts a two-in-one structure, increases the visualization function on the basis of not changing the existing operation method, reduces uterine blood backflow, is convenient for an operator, avoids blind scraping and achieves the aim of minimally invasive operation.
The purpose of the invention is realized as follows:
a visualization method for the interior of a uterine cavity of obstetrics and gynecology department, comprising the following steps:
s1, separating the inner cavity into a suction tube with a main tube, a decompression tube and a visual tube by a clapboard, arranging a camera shooting assembly in the visual tube by a fine adjustment mechanism, and arranging a suction port at the end of the main tube;
s2, embedding a circuit board in the base of the camera component, connecting the lens of the camera component to the control mechanism through the CMOS image sensor, and installing near infrared LED light source on the base around the lens;
s3, inserting the suction tube with the visual camera shooting assembly arranged in the S1 into the uterine cavity through the handle, electrifying and driving the near-infrared LED light source in the S2, reflecting the light signals to the lens after the light source irradiates the observation area, and then refracting the light signals to the acquisition area of the CMOS image sensor by the lens;
s4, converting the collected analog signals into digital signals by the CMOS image sensor, transmitting the digital signals to a central control module of the control mechanism for processing to form image signals, outputting the image signals through a communication module, and displaying the position of the pregnant sac in the uterine cavity through a liquid crystal display module;
s5, after the position of the pregnant sac in the uterine cavity is seen clearly, the controllable electric induced abortion aspirator communicated with the main pipe is started, the pregnant sac is stripped from the endometrium and is sucked out from the main pipe, and the operation is finished.
Preferably, in S2, the one end of being responsible for is equipped with the attraction mouth that is convex crooked, the subassembly of making a video recording is located the one end that is close to the attraction mouth in the visual tube and is corresponding with the attraction mouth, the subassembly of making a video recording includes the base, locates camera lens and circuit board on the base, be equipped with the CMOS image sensor who is connected with the camera lens on the circuit board, the decompression import that is connected with pressure sensor is established to the one end that is close to the attraction mouth in the decompression tube, the one end of keeping away from the attraction mouth in the decompression tube is equipped with the decompression export, pressure sensor and CMOS image sensor pass through control mechanism and connect the liquid crystal display module, control mechanism includes central control module, connection center control module' S video acquisition module, radio frequency processing module, power module and communication module.
Preferably, in S1, the main pipe, the pressure reducing pipe and the visual pipe are separated by a partition board arranged in the suction pipe, a sliding plate is connected between two adjacent partition boards for separating the visual pipe, and the base is slidably connected with the sliding plate.
Preferably, in S2, the lens includes three lenses and an infrared filter that are connected in sequence, and the infrared filter is disposed between the three lenses and the CMOS image sensor.
Preferably, in S2, the base is further provided with a near-infrared LED light source connected to the circuit board, and the near-infrared LED light sources are uniformly arranged in the circumferential direction outside the lens.
Preferably, in S1, the subassembly of making a video recording is connected with the fine-tuning that sets up along visual pipe length direction, fine-tuning is including locating lead screw and the helical pitch piece in the visual pipe, the base is connected through the helical pitch piece to the one end of lead screw, the other end of lead screw is connected with electric drive spare or manual drive spare, be equipped with the displacement sensor who is connected with central control module on the helical pitch piece.
Preferably, the fine adjustment mechanism further comprises a sliding groove arranged in the sliding plate and an elastic supporting rod connected with the lens, one end of the base is hinged to one end, away from the suction port, of the sliding plate, the other end of the base is connected with a sliding block arranged in the sliding groove through the elastic supporting rod, the sliding groove is arranged at one end close to the suction port, and the sliding block is connected with an electric traction piece or a manual traction piece through a traction rod.
Preferably, in S1, the visual tube and the decompression tube are both closed at ends thereof close to the suction port, and one side of the imaging unit in the visual tube opposite to the main tube is connected to the main tube through a transparent cover.
Preferably, an inflatable air bag is arranged outside one end, close to the suction port, of the suction tube, and an inflatable tube of the air bag is embedded in the pressure reducing tube.
Preferably, the communication module adopts a WiFi module, and the video acquisition module adopts a TVP5150 chip to convert analog signals acquired by the camera assembly into digital signals and transmit the digital signals to a central control module of the control mechanism for processing.
Preferably, the inner wall of the visual tube and the periphery of the camera shooting assembly are filled with heat-conducting silicone grease, the inner side wall of the visual tube is pasted with a graphite sheet, and a medical hose is packaged outside the graphite sheet.
Preferably, the central control module adopts an STM32 processor, the periphery of the central control module is provided with a PWM module, an enhanced I/O port and two APB buses, and the interior of the central control module comprises 2 12-bit ADCs, 3 16-bit universal timers and 1 PWM timer.
Preferably, the video module adopts a radio frequency tag read-write chip AS 3991.
Preferably, a concave lens is arranged at the front end of the lens, the total length a of the lens is greater than or equal to 3mm and less than or equal to 6mm, the aperture b of the lens is greater than 2mm and less than 4mm, and the diagonal radius c of a photosensitive area of the CMOS image sensor is less than the imaging height d0.1-0.3 mm.
Preferably, the total length a of the lens, the caliber b of the lens, the diagonal radius c (0.83mm) of a photosensitive area of the CMOS image sensor and the imaging height d satisfy 156.5 ≦ ab (a + b)2/cd(c+d)1/2≤1980.6。
Compared with the prior art, the invention has the beneficial effects that:
1. the visual method for the uterine cavity interior of the obstetrics and gynecology department provided by the invention has the advantages that the angle of the CMOS camera can be properly adjusted through the fine adjustment mechanism, the visual field of the CMOS camera can cover the position of the suction window, the uterine cavity tissue can be seen when being sucked into the main pipe from the suction port, the fixed-point suction is accurately carried out, the pressure reducing pipeline is added to the suction pipe, the pressure increased in the uterine cavity can enable the uterine cavity tissue to be discharged outwards through the pressure reducing pipeline during negative pressure uterine suction, and complications such as endometriosis are reduced.
2. According to the visual method for the interior of the uterine cavity of the obstetrics and gynecology department, near infrared light has a better penetrating effect than visible light, and the CMOS image sensor has a better imaging effect under the condition of blood shielding.
3. The invention provides a visualization method for the interior of a uterine cavity of a gynaecology and obstetrics department, which limits the total length of a lens, the caliber of the lens, the diagonal radius of a photosensitive area of a CMOS image sensor and the imaging height so as to obtain larger depth of field and wider field angle.
Drawings
Fig. 1 is a schematic structural view of a visual method for the interior of a uterine cavity of a gynaecology and obstetrics department.
FIG. 2 is a cross-sectional view of the aspiration tube of the present invention.
Fig. 3 is a schematic view of the camera assembly of the present invention.
Fig. 4 is a schematic view of the control mechanism of the present invention.
Fig. 5 is a schematic diagram of the connection between the CMOS image sensor and the control mechanism according to the present invention.
In the figure: 1. a suction tube; 2. a main tube; 3. a suction port; 4. a visual tube; 5. a pressure reducing tube; 6. a reduced pressure outlet; 7. a reduced pressure inlet; 8. a pressure sensor; 9. a slide plate; 10. a camera assembly; 11. a control mechanism; 12. a liquid crystal display module; 13. a partition plate; 14. a chute; 15. a draw bar; 16. a slider; 17. a displacement sensor; 18. an elastic support bar; 19. a base; 20. a circuit board; 21. a near-infrared LED light source; 22. a lens; 23. an infrared filter; 24. a CMOS image sensor; 25. a lead block; 26. and a screw rod.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
A visualization method for the interior of a uterine cavity of a gynaecology and obstetrics department comprises the following steps:
s1, dividing the inner cavity into a suction tube 1 with a main tube 2, a decompression tube 5 and a visual tube 4 by a partition plate 13, arranging the camera module 10 in the visual tube 4 by a fine adjustment mechanism, and arranging a suction port 3 at the end of the main tube 2;
s2, embedding a circuit board 20 in the base 19 of the camera component 10, connecting the lens 22 of the camera component 10 to the control mechanism 11 through the CMOS image sensor 24, and installing the near-infrared LED light source 21 on the base around the lens 22;
s3, the suction tube 1 with the visual camera component 10 arranged in the S1 is inserted into the uterine cavity through the handle, the near infrared LED light source 21 in the S2 is powered on and driven, after the light source irradiates an observation area, optical signals are reflected to the lens 22, and the lens 22 refracts the optical signals to the acquisition area of the CMOS image sensor 24;
s4, the CMOS image sensor 24 converts the collected analog signals into digital signals and transmits the digital signals to the central control module of the control mechanism 11 for processing to form image signals, the image signals are output through the communication module, and the position of the pregnant sac in the uterine cavity is displayed through the liquid crystal display module 12;
s5, after the position of the pregnant sac in the uterine cavity is seen clearly, a controllable electric induced abortion aspirator communicated with the main pipe 2 is started to peel the pregnant sac from the endometrium and suck out from the main pipe 2, and the operation is finished.
Example 2
With reference to fig. 1-3, a visual method for the interior of uterine cavity of obstetrics and gynecology department, which comprises a suction tube 1 and a camera assembly 10 arranged in the suction tube 1, comprising a main tube 2, a pressure reducing tube 5 and a visual tube 4 arranged in the suction tube 1, wherein the main tube 2, the pressure reducing tube 5 and the visual tube 4 are arranged at intervals by a partition plate 13 arranged in the suction tube 1, one end of the main tube 2 is provided with a suction port 3 which is curved in a circular arc shape, one end of the pressure reducing tube 5 close to the suction port 3 is provided with a pressure reducing inlet 7 connected with a pressure sensor 8, one end of the pressure reducing tube 5 far away from the suction port 3 is provided with a pressure reducing outlet 6, the suction tube 1 is connected with a controllable electric induced abortion aspirator, embryo tissue in uterus is sucked out by the negative pressure generated by the controllable electric abortion aspirator, the inlet 7 and the outlet 6 at the two ends of the pressure reducing tube 5 are communicated with the atmosphere, and the pressure in the uterine cavity is discharged in time, the occurrence of uterine blood reflux is reduced, and the imaging assembly 10 is used for observing and operating the interior of the uterine cavity, so that the damage to the uterine cavity can be effectively avoided, and the operation accuracy is improved.
The camera shooting assembly 10 comprises a base 19, a lens 22 and a circuit board 20, wherein the lens 22 and the circuit board 20 are arranged on the base 19, a CMOS image sensor 24 connected with the lens 22 is arranged on the circuit board 20, the lens 22 is matched with the COMS image sensor 24, external light is focused through the lens 22, the light is projected onto a COMS photosensitive device to enable a photoreceptor to sense light, the photoreceptor receives light irradiation and converts light signals into analog image signals, and the photoreceptor can obtain a structure of clear images.
With visual camera subassembly deepening to uterine cavity, see through the camera clearly the intrauterine device position of pregnancy, then will attract the pipe to go deep into the uterine cavity through the cavity handle in, attract the spoon-shaped suction head of mouthful to peel off the pregnancy bag from the endometrium, from being responsible for the internal suction, accomplish the operation process, the sleeve pipe of whole device adopts macromolecular material to make, has elasticity and flexibility, can not cause mechanical tear to the cervical canal when passing through the cervical canal.
Example 3
With reference to fig. 3, on the basis of embodiment 1, the lens 22 includes three lenses and an infrared filter 23 connected in sequence, the infrared filter 23 is disposed between the three lenses and the CMOS image sensor 24, and the lens 22 is composed of 3 lenses and 1 infrared filter.
A concave lens is arranged at the front end of the lens 22, the total length a of the lens 22 is more than or equal to 3mm and less than or equal to 6mm, the caliber b of the lens is more than 2mm and less than 4mm, the diagonal radius c of the photosensitive area of the CMOS image sensor 24 is less than the height d of imaging by 0.1-0.3mm, and the total length a of the lens 22, the caliber b of the lens, the diagonal radius c (0.83mm) of the photosensitive area of the CMOS image sensor 24 and the height d of imaging meet the requirement that ab (a + b) is less than or equal to 156.52/cd(c+d)1/21980.6, wherein the glass material of the lens 22 is SK16, F2, SK16 in turn, the field angle is 80 degrees, the focal length is 1mm, the total length a of the lens is 4.8mm, the aperture b of the lens is 2.6mm, the height d of the off-axis image is 0.98mm, and the radius is larger than the diagonal radius c (0.83mm) of the photosensitive area of the COMS image sensor, so as to obtain larger depth of field and wider field angle.
Because the response of the COMS image sensor and the human eyes to each wavelength is different, the COMS image sensor senses infrared light, but the infrared light cannot be seen by human eyes, and in order to avoid the distortion of the image caused by the infrared light, a 0.2mm material BK7 infrared filter is added between the lens and the COMS image sensor.
Example 4
With reference to fig. 4 and 5, the pressure sensor 8 and the CMOS image sensor 24 are connected to the liquid crystal display module 12 through the control mechanism 11, the control mechanism 11 includes a central control module, a video acquisition module connected to the central control module, a radio frequency processing module, a power module and a communication module, the communication module adopts a WiFi module, the video acquisition module adopts a TVP5150 chip to convert analog signals acquired by the camera module into digital signals and transmit the digital signals to the central control module of the control mechanism for processing.
The central control module adopts an STM32 processor, the periphery of the central control module is provided with a PWM module, an enhanced I/O port and two APB buses, the interior of the central control module comprises 2 12-bit ADCs, 3 16-bit universal timers and 1 PWM timer, and the radio frequency module adopts a radio frequency label read-write chip AS 3991.
The video acquisition module has the main functions that analog signals acquired by the lens and the CMOS image sensor are converted into digital signals and transmitted to the central control module for subsequent processing, signals acquired by the image sensor need to be conditioned firstly in the process of acquiring characteristic images of a pregnant sac in a uterine cavity in real time by the CMOS image sensor so as to be converted into proper voltage signals, and an optical coupling isolation circuit needs to be adopted for signal isolation aiming at strong electric signals in the image signals, so that the anti-interference performance of the system is improved.
Example 5
The subassembly 10 of making a video recording is connected with the fine-tuning that sets up along visual pipe 4 direction of length, fine-tuning is including locating lead screw 26 and the helical pitch piece 25 in visual pipe 4, base 19 is connected through helical pitch piece 25 to the one end of lead screw 26, the other end of lead screw 26 is connected with electric drive spare or manual drive spare, be equipped with the displacement sensor 17 of being connected with central control module on the helical pitch piece 25.
The fine adjustment mechanism further comprises a sliding groove 14 arranged in the sliding plate 9 and an elastic supporting rod 18 connected with a lens 22, one end of a base 19 is hinged to one end, far away from the suction port 3, of the sliding plate 9, the other end of the base 19 is connected with a sliding block 16 arranged in the sliding groove 14 through the elastic supporting rod 18, the sliding groove 14 is arranged at one end, close to the suction port 3, of the sliding block 16, and the sliding block 16 is connected with an electric traction piece 15 or a manual traction piece through a traction rod 15.
Drive the base on the helical pitch piece through the drive lead screw and adjust in the ascending position of horizontal direction, through the regulation of pulling a pulling slider position in the spout, thereby adjust the shooting angle of camera lens, the distance accessible displacement sensor and the control mechanism of regulation show on liquid crystal display module, then horizontal displacement and the camera lens angle of accessible control mechanism and fine-tuning adjust the subassembly of making a video recording through liquid crystal display module, so that the operation condition of observing the palace intracavity of operation in-process more clear initiative.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents and substitutions made within the scope of the present invention should be included.

Claims (3)

1. The utility model provides a visual device that is used for gynaecology and obstetrics's palace intracavity portion which characterized in that: this visual device attracts pipe (1) and locates subassembly (10) of making a video recording in attracting pipe (1) including attracting, its characterized in that:
comprises a main pipe (2) arranged in a suction pipe (1), a decompression pipe (5) and a visual pipe (4),
one end of the main pipe (2) is provided with a suction port (3) which is curved in a circular arc shape, and the other end of the main pipe is communicated with a controllable electric induced abortion suction apparatus which is used for stripping and sucking the pregnant sac from the endometrium;
the camera shooting assembly (10) is arranged at one end, close to the suction port (3), in the visual tube (4) and corresponds to the suction port (3), the camera shooting assembly (10) comprises a base (19), a lens (22) and a circuit board (20), the lens (22) is arranged on the base (19), and a CMOS image sensor (24) connected with the lens (22) is arranged on the circuit board (20);
one end of the decompression pipe (5) close to the suction port (3) is provided with a decompression inlet (7) connected with a pressure sensor (8), a pressure reducing outlet (6) is arranged at one end of the pressure reducing pipe (5) far away from the suction port (3), the pressure sensor (8) and the CMOS image sensor (24) are connected with the liquid crystal display module (12) through a control mechanism (11), the control mechanism (11) comprises a central control module, a video acquisition module connected with the central control module, a radio frequency processing module, a power supply module and a communication module, wherein, the CMOS image sensor (24) is used for converting the collected analog signals into digital signals and transmitting the digital signals to a central control module of the control mechanism (11) for processing to form image signals, the image signal is output through a communication module, and the position of the pregnant sac in the uterine cavity is displayed through a liquid crystal display module (12);
a concave lens is arranged at the front end of the lens (22), the total length a of the lens (22) is more than or equal to 3mm and less than or equal to 6mm, the caliber b of the lens (22) is more than 2mm and less than 4mm, and the diagonal radius c of a photosensitive area of the CMOS image sensor (24) is less than the imaging height d;
the camera shooting assembly (10) is connected with a fine adjustment mechanism arranged along the length direction of the visual tube (4), the fine adjustment mechanism comprises a lead screw (26) and a lead block (25) which are arranged in the visual tube (4), one end of the lead screw (26) is connected with a base (19) through the lead block (25), the other end of the lead screw (26) is connected with an electric driving piece or a manual driving piece, and a displacement sensor (17) connected with a central control module is arranged on the lead block (25); the fine adjustment mechanism further comprises a sliding groove (14) arranged in the sliding plate (9) and an elastic supporting rod (18) connected with a lens (22), one end of the base (19) is hinged to one end, far away from the suction port (3), of the sliding plate (9), the other end of the base (19) is connected with a sliding block (16) arranged in the sliding groove (14) through the elastic supporting rod (18), the sliding groove (14) is arranged at one end, close to the suction port (3), of the sliding block (16), and the sliding block (16) is connected with an electric traction piece or a manual traction piece through a traction rod (15);
the main pipe (2), the decompression pipe (5) and the visual pipe (4) are arranged in a separated mode through partition plates (13) arranged in the suction pipe (1), a sliding plate (9) is connected between every two adjacent partition plates (13) used for separating the visual pipe (4), and the base (19) is connected with the sliding plate (9) in a sliding mode; the lens (22) comprises three lenses and an infrared filter (23) which are connected in sequence, and the infrared filter (23) is arranged between the three lenses and the CMOS image sensor (24).
2. A visualization device for the interior of the uterine cavity of obstetrics and gynecology department according to claim 1, characterized in that: the LED lamp is characterized in that the base (19) is further provided with near-infrared LED light sources (21) connected with the circuit board (20), and the near-infrared LED light sources (21) are uniformly arranged in the circumferential direction of the outside of the lens (22).
3. A visualization device for the inside of the uterine cavity of gynaecology and obstetrics department according to claim 1, characterized in that: one ends of the visual pipe (4) and the decompression pipe (5) close to the suction port (3) are both of a closed structure, and one side of the camera assembly (10) in the visual pipe (4) relative to the main pipe (2) is connected with the main pipe (2) through a transparent cover.
CN202010937859.0A 2020-09-09 2020-09-09 Visualization method for interior of uterine cavity of obstetrics and gynecology department Active CN112006646B (en)

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CN110123413A (en) * 2019-06-06 2019-08-16 济南市章丘区人民医院 A kind of obstetrics and gynecology department uterine cavity tissue suction device
CN111248844A (en) * 2019-12-27 2020-06-09 江苏康乐医疗器械有限公司 Adjustable visual tube core laryngoscope

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