WO2021072570A1 - Multi-channel working cannula - Google Patents
Multi-channel working cannula Download PDFInfo
- Publication number
- WO2021072570A1 WO2021072570A1 PCT/CN2019/000236 CN2019000236W WO2021072570A1 WO 2021072570 A1 WO2021072570 A1 WO 2021072570A1 CN 2019000236 W CN2019000236 W CN 2019000236W WO 2021072570 A1 WO2021072570 A1 WO 2021072570A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- channel
- water injection
- water
- working
- casing
- Prior art date
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Classifications
-
- 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
- A61B1/12—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 cooling or rinsing arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
Definitions
- the present invention relates to the technical field of medical devices, in particular to a multi-channel working sleeve.
- Minimally invasive surgery refers to the use of laparoscopy, thoracoscopy and other modern medical equipment through multi-channel working cannula and related equipment for surgery.
- the present invention provides a multi-channel working cannula that maintains a clear view of the endoscope through water injection cleaning, so as to solve the problem that the existing multi-channel working cannula can be inserted into the human body to work.
- a multi-channel working casing comprising a casing body, a water injection channel is arranged on the casing body, and the water outlet of the water injection channel is located in the casing At the front end of the body, the casing body is provided with a water injection port communicating with the water injection channel.
- the water injection channel is provided in the casing body to realize that when the working casing is inserted into the human body to work, water is injected from the outside to the inside to clean the blood or other sundries at the endoscope, ensuring that the vision of the endoscope is clear and achieving a better Good observation effect, at the same time, because of the water pressure of the water outlet, the purpose of inhibiting the outflow of blood in the blood vessel can be achieved.
- the water outlet is located at one end of the water injection channel, and the other end of the water injection channel is provided with a plugging structure, and the water injection port is located on the side of the casing body and at one end close to the plugging structure. It achieves the effect of facilitating water injection without affecting the operation of the multi-channel casing.
- the casing body includes a main channel tube, an auxiliary channel tube, and a spacer block located between the main channel tube and the auxiliary channel tube that are integrally arranged, the water injection channel is opened in the spacer block, and the blocking structure is A handle provided at the rear end of the cushion block, and the water injection port is located on the side of the cushion block.
- two water injection ports are provided, which are respectively provided on both sides of the cushion block and are opposite to each other.
- the relative arrangement of the two water injection ports can balance and increase the injection water pressure during water injection.
- a water nozzle joint is connected to the water injection port. Achieve the effect of facilitating the connection of the water injection device.
- the water injection port is located at the rear of the cushion block, and the distance between the water injection port and the front end of the casing body is greater than the depth of the casing body entering the human body.
- an observation window is provided at the front end of the casing body, and the water outlet of the water injection channel is connected to the observation window.
- the handle is provided with a main channel tube nozzle communicating with the main channel tube and a secondary channel tube nozzle communicating with the auxiliary channel tube.
- the water injection channel is provided in the casing body to realize that when the working casing is inserted into the human body to work, water is injected from the outside to the inside to clean the blood or other sundries at the endoscope, ensuring that the vision of the endoscope is clear and achieving a better Good observation effect, at the same time, because of the water pressure of the water outlet, the purpose of inhibiting the outflow of blood in the blood vessel can be achieved.
- water can be injected on both sides at the same time during use, which can balance the water pressure during water injection.
- Fig. 1 is a schematic diagram of the structure in a specific embodiment of the present invention.
- Fig. 2 is a side view of Fig. 1.
- a multi-channel working casing includes a casing body.
- a water injection channel 6 is provided in the casing body.
- the water outlet of the water injection channel 6 is located at the front end of the casing body.
- the water injection channel 6 is provided in the casing body to realize that when the working casing is inserted into the human body to work, water is injected from the outside to the inside to clean the blood or other sundries at the endoscope, so as to ensure that the vision of the endoscope is clear. Better observation effect, and at the same time, because of the water pressure of the water outlet, the purpose of inhibiting the outflow of blood in the blood vessel can be achieved.
- the casing body includes the main channel tube 2, the auxiliary channel tube 4, the cushion block 3 and the handle 1.
- the main channel tube 2, the cushion block 3 and the auxiliary channel tube 4 are integrated, the auxiliary channel tube 4 is on top, and the main channel tube 2 Below, the spacer 3 is located in the middle of the main channel tube 2 and the auxiliary channel tube 4 for isolation so that the two channels can work independently.
- the main channel tube 2 is longer than the auxiliary channel tube 4, and the front ends of the main channel tube 2 and the auxiliary channel tube 4 are both Inclined incline upward, the oblique incision of the auxiliary channel tube 4 is located at the rear and upper position of the oblique incision of the main channel tube 2.
- a scale line for judging the length of the insertion into the human body is provided.
- a handle 1 is fixedly connected to the back end of the cushion block 3 and the main and auxiliary channel tubes 4.
- the handle 1 is provided with a main channel tube nozzle 21 communicating with the main channel tube 2 respectively.
- the port 41 of the auxiliary channel tube communicating with the auxiliary channel tube 4 makes the endoscope and the operating instrument extend into the channel without interfering with each other.
- a water injection channel 6 is opened on the cushion block 3.
- One end of the water injection channel 6 is a water outlet, and the water outlet communicates with an observation window set at the front end of the casing body. When the water reaches the observation window, the human tissue at the endoscope is cleaned, and the water injection channel
- the other end of 6 is a plugging structure, and the plugging structure in this specific embodiment is the handle 1.
- a water nozzle connector 5 is connected to the water injection port, It has the function of facilitating the connection of the water injection device.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Endoscopes (AREA)
Abstract
Description
Claims (8)
- 一种多通道工作套管,其特征在于,包括套管本体,所述套管本体上设置有注水通道(6),所述注水通道(6)的出水口位于所述套管本体的前端,所述套管本体上设置有与所述注水通道(6)连通的注水口。A multi-channel working casing, which is characterized by comprising a casing body, a water injection channel (6) is arranged on the casing body, and the water outlet of the water injection channel (6) is located at the front end of the casing body, The casing body is provided with a water injection port communicating with the water injection channel (6).
- 如权利要求1所述的多通道工作套管,其特征在于,所述出水口位于所述注水通道(6)的一端,所述注水通道的另一端设置有封堵结构,所述注水口位于所述套管本体的侧部且位于靠近所述封堵结构的一端。The multi-channel working casing according to claim 1, wherein the water outlet is located at one end of the water injection channel (6), the other end of the water injection channel is provided with a blocking structure, and the water injection port is located at The side of the sleeve body is located at one end close to the blocking structure.
- 如权利要求2所述的多通道工作套管,其特征在于,所述套管本体包括一体设置的主通道管(2)、副通道管(4)和位于主通道管(2)与副通道管(4)之间的垫块(3),所述注水通道(6)开设在垫块(3)中,所述封堵结构为设置在垫块(3)后端端部的手柄(1),所述注水口位于垫块(3)的侧部。The multi-channel working casing according to claim 2, characterized in that, the casing body includes a main channel tube (2), a secondary channel tube (4) and the main channel tube (2) and the secondary channel that are integrally arranged. The cushion block (3) between the pipes (4), the water injection channel (6) is opened in the cushion block (3), and the blocking structure is a handle (1) arranged at the rear end of the cushion block (3) ), the water injection port is located on the side of the cushion block (3).
- 如权利要求3所述的多通道工作套管,其特征在于,所述注水口设置有两个,分别设置在垫块(3)的两侧且相对而设。The multi-channel working sleeve according to claim 3, characterized in that there are two water injection ports, which are respectively arranged on two sides of the cushion block (3) and opposite to each other.
- 如权利要求4所述的多通道工作套管,其特征在于,所述注水口上连接有水嘴接头(5)。The multi-channel working sleeve according to claim 4, characterized in that a water nozzle joint (5) is connected to the water injection port.
- 如权利要求4所述的多通道工作套管,其特征在于,所述注水口位于垫块(3)的后部,所述注水口与套管本体前端的距离大于套管本体进入人体的深度。The multi-channel working casing according to claim 4, wherein the water injection port is located at the rear of the cushion block (3), and the distance between the water injection port and the front end of the casing body is greater than the depth of the casing body entering the human body .
- 如权利要求1所述的多通道工作套管,其特征在于,所述套管本体的前端设置有观察窗,所述注水通道(6)的出水口连通到观察窗。The multi-channel working casing according to claim 1, wherein the front end of the casing body is provided with an observation window, and the water outlet of the water injection channel (6) is connected to the observation window.
- 如权利要求3所述的多通道工作套管,其特征在于,所述手柄(1)上开设有与主通道管(2)相通的主通道管管口(21)和与副通道管(4)相通的副通道管管口(41)。The multi-channel working sleeve according to claim 3, wherein the handle (1) is provided with a main channel tube port (21) communicating with the main channel tube (2) and a secondary channel tube (4). ) The nozzle (41) of the connected auxiliary channel pipe.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921748474.9U CN211325228U (en) | 2019-10-16 | 2019-10-16 | Multi-channel working sleeve |
CN201921748474.9 | 2019-10-16 |
Publications (1)
Publication Number | Publication Date |
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WO2021072570A1 true WO2021072570A1 (en) | 2021-04-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2019/000236 WO2021072570A1 (en) | 2019-10-16 | 2019-12-06 | Multi-channel working cannula |
Country Status (2)
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CN (1) | CN211325228U (en) |
WO (1) | WO2021072570A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113662602A (en) * | 2021-09-02 | 2021-11-19 | 南通市第二人民医院 | Protection guide for knee joint meniscus repair operation |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202458288U (en) * | 2012-03-16 | 2012-10-03 | 广州瑞达医疗器械有限公司 | Endoscope casing |
JP2013009896A (en) * | 2011-06-30 | 2013-01-17 | Fujifilm Corp | Endoscope |
CN204468021U (en) * | 2015-03-15 | 2015-07-15 | 温晗光 | A kind of novel anti-automated cleaning camera lens conchoscope hazed |
CN204734462U (en) * | 2015-04-20 | 2015-11-04 | 湖北医药学院附属人民医院 | Medical endoscope with self -cleaning function |
CN205612439U (en) * | 2016-02-03 | 2016-10-05 | 深圳市先赞科技有限公司 | Camera shooting and pipeline control mechanism of endoscope |
CN107397526A (en) * | 2016-05-18 | 2017-11-28 | 泰库德株式会社 | rigid spinal endoscope |
-
2019
- 2019-10-16 CN CN201921748474.9U patent/CN211325228U/en active Active
- 2019-12-06 WO PCT/CN2019/000236 patent/WO2021072570A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013009896A (en) * | 2011-06-30 | 2013-01-17 | Fujifilm Corp | Endoscope |
CN202458288U (en) * | 2012-03-16 | 2012-10-03 | 广州瑞达医疗器械有限公司 | Endoscope casing |
CN204468021U (en) * | 2015-03-15 | 2015-07-15 | 温晗光 | A kind of novel anti-automated cleaning camera lens conchoscope hazed |
CN204734462U (en) * | 2015-04-20 | 2015-11-04 | 湖北医药学院附属人民医院 | Medical endoscope with self -cleaning function |
CN205612439U (en) * | 2016-02-03 | 2016-10-05 | 深圳市先赞科技有限公司 | Camera shooting and pipeline control mechanism of endoscope |
CN107397526A (en) * | 2016-05-18 | 2017-11-28 | 泰库德株式会社 | rigid spinal endoscope |
Also Published As
Publication number | Publication date |
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CN211325228U (en) | 2020-08-25 |
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