CN105559734A - Rigid endoscope used for examination and matched with balloon-shaped sheath tube - Google Patents

Rigid endoscope used for examination and matched with balloon-shaped sheath tube Download PDF

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Publication number
CN105559734A
CN105559734A CN201610019348.4A CN201610019348A CN105559734A CN 105559734 A CN105559734 A CN 105559734A CN 201610019348 A CN201610019348 A CN 201610019348A CN 105559734 A CN105559734 A CN 105559734A
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CN
China
Prior art keywords
rigid endoscope
sheath
inspection
balloon
sheath tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610019348.4A
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Chinese (zh)
Inventor
杨柳青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Jinchuanggu Medical Technology Co Ltd
Original Assignee
Chongqing Jinchuanggu Medical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Jinchuanggu Medical Technology Co Ltd filed Critical Chongqing Jinchuanggu Medical Technology Co Ltd
Priority to CN201610019348.4A priority Critical patent/CN105559734A/en
Publication of CN105559734A publication Critical patent/CN105559734A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/00131Accessories for endoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/06Instruments 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
    • A61B1/07Instruments 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/267Instruments 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 respiratory tract, e.g. laryngoscopes, bronchoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/303Instruments 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/307Instruments 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 urinary organs, e.g. urethroscopes, cystoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/31Instruments 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 rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/00002Operational features of endoscopes
    • A61B1/00057Operational features of endoscopes provided with means for testing or calibration
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/00064Constructional details of the endoscope body
    • A61B1/00071Insertion part of the endoscope body
    • A61B1/0008Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00082Balloons

Abstract

The invention belongs to the technical field of medical appliances and particularly discloses a rigid endoscope used for examination and matched with a balloon-shaped sheath tube. The rigid endoscope comprises a rigid endoscope main body and the sheath tube used for examination and detachably used with the rigid endoscope main body, wherein the rigid endoscope main body comprises a rigid working end part, a cold light source connector, a data connector or an ocular lens input end; the sheath tube used for examination comprises a sheath tube shaft; an inflatable balloon used for closing a front end opening is integrally arranged at the front end opening of the sheath tube shaft; the inflatable balloon is a transparent body; an air guide tube with a one-way valve is arranged in the sheath tube shaft; and a sheath tube bayonet matched with the rigid endoscope main body is arranged at the back end part of the sheath tube shaft. According to the endoscope, a diseased region can be fixed and expanded by utilizing the inflated highly transparent balloon and human natural orifice wrinkles can be effectively supported open, so that the view field of an examination position under the endoscope is clear and visual; and the filling of liquid or air does not need to be carried out during examination, so that the air or liquid residues or leakage is not caused and the risk of intraoperative or postoperative complications is lowered.

Description

A kind of inspection rigid endoscope coordinating balloon type sheath pipe
Technical field
The invention belongs to field of medical appliances, be specifically related to a kind of core medical instrument that minimally invasive surgery checks, i.e. a kind of inspection endoscope with balloon sheath pipe.
Background technology
At present, endoscope has and applies widely on diagnosis or disease therapy, and doctor can insert rigid endoscope by the natural tract of human body, thus observes the pathological changes of certain organs or tissue under the prerequisite of noinvasive or Wicresoft.But human body natural's tract generally has gauffer, and can apply certain pressure to the endoscope inserted, cause mirror downward view unintelligible, the movable difficulty of endoscope, even causes damage to surrounding tissue.Generally adopt at present the method for inflation or topping up to position to be checked or around tract inwall expand, but inflation or topping up easily cause gas or leak of liquid and residual, may cause serious consequence.
Inflating balloon is a kind of sacculus be made up of flexible material, and the compressibility being filled with air can be utilized to realize elastic reaction.In medical science, sacculus is mainly used in catheter, tracheal intubation, balloon dilatation and sacculus Push enteroscopy, to surrounding tissue play a part fixing, expansion, protection, vibration isolation, to apparatus play a part clamping and assist advance.
At present, a kind of application diagnosis and treatment sheath pipe of band balloon type and endoscope being carried out combine closely also is not found.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of inspection rigid endoscope coordinating balloon type sheath pipe is disclosed, this endoscope can utilize the full highly transparent sacculus expanded fix and expand diseased region, effectively strut human body natural's tract gauffer, make check point mirror downward view clear, directly perceived, and without the need to topping up or inflation when checking, gas or liquid residue or leakage can not be there is, reduce and occur in art or the risk of post-operative complication.
In order to overcome above-mentioned technical purpose, the present invention realizes by following technical scheme:
A kind of inspection rigid endoscope coordinating balloon type sheath pipe of the present invention, comprise rigid endoscope main body and can with its dismountable mode matching used inspection sheath pipe, described rigid endoscope main body comprises hard working tips, cold light source joint, data connector or eyepiece input, described inspection sheath pipe comprises sheath tubular axis, the front port place integration of described sheath tubular axis is provided with the inflated type sacculus for closed front mouth, described inflated type sacculus is the transparent body, the airway of band check valve is passed in described sheath tubular axis, can carry out inflating or extract gas in sacculus to balloon interior by airway, the rearward end of described sheath tubular axis is provided with the sheath pipe clamp mouth coordinated with rigid endoscope main body.
As the further improvement of above-mentioned technology, described airway tail end air inlet is connected with air pressure pressure gauge, described air pressure pressure gauge is provided with inflation bulb and release-push, can be regulated pressure in implanting saccule at front end by the inflation bulb of air pressure pressure gauge and release-push, described inspection should be connected with air pressure pressure gauge when practical operation with sheath pipe, close supervision is carried out to ball intraluminal pressure, causes sacculus to break or sacculus is excessively oppressed and caused damaging surrounding tissue in case pressure is excessive.
In the present invention, described sacculus is high power capacity low pressure sacculus, is the hemispherical of slightly giving prominence to sheath tubular axis tip time not full, and diameter equals the external diameter of the first end of sheath tubular axis; Be ball-type after described inflated, the first end of the outstanding sheath tubular axis that expands.
In the present invention, described sheath tubular axis and airway are the integrated design.
In the present invention, the manufactured materials of described sheath tubular axis is medical macromolecular materials or nano material or metal material or elastomeric material or plastic material, for disposable or non-once use, the contact surface of described sheath tubular axis and human body scribbles hydrophilic lubrication coating, reduce the resistance entering body cavities, reduce the friction to surrounding tissue.
In the present invention, the first end of described hard working tips is designed to blunt type, effectively avoids damaging mucosal tissue.
In the present invention, described sacculus is made up of medical silica-gel or flexible medical macromolecule or nano material, has low-surface-energy, high-elastic, nontoxic, ageing-resistant characteristic, and has very strong toughness, can adapt to external pressure and maintain the intrinsic shape of sacculus; Described sacculus is highly transparent and smooth surface before and after no matter inflating, and ensures that mirror downward view is clear;
In the present invention, described rigid endoscope main body is disposable or 2D or the 3D rigid endoscope of non-once use, it can be hysteroscope or colposcope or rectoscope or romanoscope or ureteroscope or cystoscope or laryngopharyngeal mirror, and its optical system adopted is electronic CCD optical system or prism optical system or fiber optic fiber optical system.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the inspection rigid endoscope of cooperation balloon sheath pipe of the present invention, smooth and the highly transparent of balloon surface set by sheath tubular axis tip port, the sacculus full by appropriateness expansion can be fixed and expand body cavities inwall, make mirror downward view more clear, obtain better diagnosis effect.During inspection, doctor is by the appropriate inflation/deflation of sacculus, and operation scope moves freely in tract, and operating time is shortened in the operating process of easyization forward and back mirror.
(2) in the present invention; described sacculus is made with flexible material; during inspection, surrounding tissue and mucosa are shielded; prevent hard working tips from causing damage to mucosa; prevent perforation, expansion is completed by the sacculus of first end, without the need to topping up or inflation; gas or liquid residue or leakage can not be there is, reduce and occur in art or the risk of post-operative complication.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention will be further described.
Fig. 1 is the structural representation of the inspection rigid endoscope of cooperation balloon sheath pipe of the present invention.
Fig. 2 is rigid endoscope agent structure schematic diagram of the present invention.
Fig. 3 is the first end view (2D rigid endoscope) of rigid endoscope main body of the present invention.
Fig. 4 is the first end view (2D rigid endoscope) of rigid endoscope main body of the present invention.
Fig. 5 is the structural representation (sacculus unaerated initial/release conditions) of inspection sheath pipe of the present invention.
Fig. 6 is sacculus and the airway annexation schematic diagram of the first end of mesotheca tubular axis of the present invention.
Fig. 7 coordinates the inspection rigid endoscope structural representation of balloon sheath pipe (sacculus unaerated initial/release conditions) in the present invention.
Fig. 8 is rigid endoscope first end close-up schematic view in above-mentioned Fig. 7.
Fig. 9 ~ Figure 11 is the overall schematic (metamorphosis under the different expanded state of sacculus is shown) after inspection sheath pipe of the present invention coordinates from rigid endoscope main body.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described:
As shown in Figure 1, the inspection rigid endoscope of cooperation balloon sheath pipe of the present invention, comprises rigid endoscope main body 1 and inspection sheath pipe 2 supporting with it.
Rigid endoscope main body 1 of the present invention is 2D or 3D rigid endoscope, can be the disposable non-once that also can be and uses.
As shown in Figure 2, described rigid endoscope main body 1 comprises hard working tips 11, light source joint 12, eyepiece input or data-interface 13, and the first end 111 of described hard working tips 11 is designed to blunt type, effectively avoids the needs of damaging mucosal tissue.
In the present invention, be 2D rigid endoscope or 3D endoscope according to described rigid endoscope main body, it can have the following two kinds structure:
(1) as shown in Figure 3, described rigid endoscope main body 1 is 2D rigid endoscope, and the first end 111 of its hard working tips 11 is provided with light-conductive optic fibre 121 and optical lens 131, does not establish any passage.
(2) as shown in Figure 4, described rigid endoscope main body 1 is 3D rigid endoscope, and the first end 111 of its hard working tips 11 is provided with independently two optical lens 141 and 151 and CCD imaging system corresponding with it respectively, does not establish any passage.
As shown in Figure 5, Figure 6, the described inspection sheath pipe 2 sheath pipe clamp mouth 22 that comprises sheath tubular axis 21 and coordinate with rigid endoscope main body 1; The front port place integration of described sheath tubular axis 21 is provided with the inflated type sacculus 23 for closed first end front port, described sacculus 23 is the transparent body, the airway 24 of band check valve is passed in described sheath tubular axis 21, described airway 24 is connected with the sacculus 23 of the first end of sheath tubular axis 21, can carry out inflating or extract gas in sacculus to balloon interior by airway 24; The air inlet 25 of described airway 24 tail end can be connected with air pressure pressure gauge 26, and described air pressure pressure gauge 26 is provided with inflation bulb 27 and pressure release buttons 28, can monitor pressure in sacculus 23 and regulate pressure in sacculus 23 by air pressure pressure gauge 26.
As shown in Figure 5, described sacculus 23 is high power capacity low pressure sacculus, and be the hemispherical of slightly surprise check sheath pipe 2 tip time not full, diameter equals sheath tubular axis external diameter.
As shown in Figure 6, Figure 7, described sacculus 23 is ball-type after inflating, the first end of bulging sheath tubular axis 21, expanse can be carried out to position to be checked, the specification of sacculus 23 and interior pressure and rigid endoscope main body 1 supporting, different because inserting position difference, can be regulated by air pressure pressure gauge 26 pairs of sacculus 23 sizes and interior pressure thereof according to actual needs, the suitability is strong.
Fig. 8 ~ Figure 11 illustrates the metamorphosis of the sacculus 23 when aeration quantity is ascending, and whether no matter partial illustration inflate, and sacculus 23 is smooth surface and highly transparent.
In the present invention, described sacculus 23 should be made up of medical silica-gel or flexible medical macromolecule or nano material, has low-surface-energy, high-elastic, nontoxic, ageing-resistant characteristic, highly transparent, and there is very strong toughness, can external pressure be adapted to and maintain the intrinsic shape of sacculus 23; Described inspection sheath pipe 21 scribbles hydrophilic lubrication coating with the contact surface of human body, reduces the resistance entering body cavities, reduces the friction to surrounding tissue.
In the present invention, the manufactured materials of described sheath tubular axis 21 is medical macromolecular materials, nano material, metal material, elastomeric material or plastic material; Described inspection sheath pipe 2 can be disposable or non-once use.
The present invention is not limited to above-mentioned embodiment, every the spirit and scope of the present invention are not departed to various change of the present invention or modification, if these are changed and modification belongs within claim of the present invention and equivalent technologies scope, then the present invention also means that comprising these changes and modification.

Claims (8)

1. one kind coordinates the inspection rigid endoscope of balloon type sheath pipe, comprise rigid endoscope main body and can with its dismountable mode matching used inspection sheath pipe, described rigid endoscope main body comprises hard working tips, cold light source joint, data connector or eyepiece input, it is characterized in that: described inspection sheath pipe comprises sheath tubular axis, the front port place integration of described sheath tubular axis is provided with the inflated type sacculus for closed front mouth, described inflated type sacculus is the transparent body, the airway of band check valve is passed in described sheath tubular axis, the rearward end of described sheath tubular axis is provided with the sheath pipe clamp mouth coordinated with rigid endoscope main body.
2. the inspection rigid endoscope of cooperation balloon type sheath pipe according to claim 1, is characterized in that: described airway tail end air inlet is connected with air pressure pressure gauge, and described air pressure pressure gauge is provided with inflation bulb and release-push.
3. the inspection rigid endoscope of cooperation balloon type sheath pipe according to claim 1 and 2, is characterized in that: described sacculus is high power capacity low pressure sacculus, is the hemispherical of slightly giving prominence to sheath tubular axis tip time not full, and diameter equals the external diameter of the first end of sheath tubular axis; Be ball-type after described inflated, the first end of the outstanding sheath tubular axis that expands.
4. the inspection rigid endoscope of cooperation balloon type sheath pipe according to claim 3, is characterized in that: described sheath tubular axis and airway are the integrated design.
5. the inspection rigid endoscope of cooperation balloon type sheath pipe according to claim 4, is characterized in that: described sheath tubular axis is made up of metal, plastics, flexible medical macromolecule or nano material.
6. the inspection rigid endoscope of cooperation balloon type sheath pipe according to claim 5, is characterized in that: described sacculus is made up of the flexible medical macromolecule of high resiliency and high tenacity or nano material, and balloon sheath tube-surface scribbles lubricant coating.
7. the inspection rigid endoscope of cooperation balloon type sheath pipe according to claim 1, is characterized in that: the first end of described hard working tips is designed to blunt type.
8. the inspection rigid endoscope of cooperation balloon type sheath pipe according to claim 1, it is characterized in that: described rigid endoscope main body is disposable or 2D or the 3D rigid endoscope of non-once use, it can be hysteroscope or colposcope or rectoscope or romanoscope or ureteroscope or cystoscope or laryngopharyngeal mirror, and its optical system adopted is electronic CCD optical system or prism optical system or fiber optic fiber optical system.
CN201610019348.4A 2016-01-13 2016-01-13 Rigid endoscope used for examination and matched with balloon-shaped sheath tube Pending CN105559734A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105919548A (en) * 2016-05-20 2016-09-07 广州德米医用设备有限公司 Diagnostic proctoscope provided with double channels
CN107928615A (en) * 2017-12-06 2018-04-20 广东名威科技有限公司 A kind of visible laryngoscope
CN112401817A (en) * 2020-11-05 2021-02-26 苏州法兰克曼医疗器械有限公司 Thoracic endoscope with function of preventing mirror surface from being atomized
CN112914478A (en) * 2021-02-07 2021-06-08 珠海明象医用科技有限公司 Flexible and bendable endoscope
CN113197539A (en) * 2021-05-25 2021-08-03 滕州市工人医院 Portable visual urethroscope
CN113662608A (en) * 2021-08-10 2021-11-19 河北医科大学第三医院 Cystoscope and urethra auxiliary device that coincide
TWI823304B (en) * 2021-09-07 2023-11-21 陳階曉 Medical endoscope system

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* Cited by examiner, † Cited by third party
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GB2397023A (en) * 2002-11-14 2004-07-14 Md Zaker Ullah Laparoscopic tissue dissecting hernia repair balloon
US20090062872A1 (en) * 2007-08-27 2009-03-05 Singfatt Chin Balloon cannula system for accessing and visualizing spine and related methods
CN103393387A (en) * 2013-08-09 2013-11-20 广州宝胆医疗器械科技有限公司 Medical instrument sheath
CN103431828A (en) * 2013-08-09 2013-12-11 广州宝胆医疗器械科技有限公司 Hysteroscope with inflation air bags
US20140180007A1 (en) * 2012-12-21 2014-06-26 Avram Allan Edidin Soft enclosing membrane for camera
CN104644116A (en) * 2013-11-25 2015-05-27 陈素洁 Safe wide-angle surgery sighting glass
CN204581210U (en) * 2015-04-24 2015-08-26 中国人民解放军总医院 Exempt from pneumoperitoneum support balloon cavity spectroscopy device
CN204839438U (en) * 2015-05-25 2015-12-09 黄冰生 Head end has angioscope of sacculus
CN205286292U (en) * 2016-01-13 2016-06-08 重庆金创谷医疗科技有限公司 Stereoplasm endoscope for inspection of cooperation sacculus type sheath pipe

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2397023A (en) * 2002-11-14 2004-07-14 Md Zaker Ullah Laparoscopic tissue dissecting hernia repair balloon
US20090062872A1 (en) * 2007-08-27 2009-03-05 Singfatt Chin Balloon cannula system for accessing and visualizing spine and related methods
US20140180007A1 (en) * 2012-12-21 2014-06-26 Avram Allan Edidin Soft enclosing membrane for camera
CN103393387A (en) * 2013-08-09 2013-11-20 广州宝胆医疗器械科技有限公司 Medical instrument sheath
CN103431828A (en) * 2013-08-09 2013-12-11 广州宝胆医疗器械科技有限公司 Hysteroscope with inflation air bags
CN104644116A (en) * 2013-11-25 2015-05-27 陈素洁 Safe wide-angle surgery sighting glass
CN204581210U (en) * 2015-04-24 2015-08-26 中国人民解放军总医院 Exempt from pneumoperitoneum support balloon cavity spectroscopy device
CN204839438U (en) * 2015-05-25 2015-12-09 黄冰生 Head end has angioscope of sacculus
CN205286292U (en) * 2016-01-13 2016-06-08 重庆金创谷医疗科技有限公司 Stereoplasm endoscope for inspection of cooperation sacculus type sheath pipe

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105919548A (en) * 2016-05-20 2016-09-07 广州德米医用设备有限公司 Diagnostic proctoscope provided with double channels
CN105919548B (en) * 2016-05-20 2018-09-21 广州德米医用设备有限公司 A kind of twin-channel rectum diagnosis and treatment mirror of band
CN107928615A (en) * 2017-12-06 2018-04-20 广东名威科技有限公司 A kind of visible laryngoscope
CN112401817A (en) * 2020-11-05 2021-02-26 苏州法兰克曼医疗器械有限公司 Thoracic endoscope with function of preventing mirror surface from being atomized
CN112914478A (en) * 2021-02-07 2021-06-08 珠海明象医用科技有限公司 Flexible and bendable endoscope
CN113197539A (en) * 2021-05-25 2021-08-03 滕州市工人医院 Portable visual urethroscope
CN113662608A (en) * 2021-08-10 2021-11-19 河北医科大学第三医院 Cystoscope and urethra auxiliary device that coincide
CN113662608B (en) * 2021-08-10 2022-09-16 河北医科大学第三医院 Cystoscope and urethra auxiliary device that coincide
TWI823304B (en) * 2021-09-07 2023-11-21 陳階曉 Medical endoscope system

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Application publication date: 20160511

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