CN112220502B - Valve body device for assisting endoscope to leave and take sample - Google Patents
Valve body device for assisting endoscope to leave and take sample Download PDFInfo
- Publication number
- CN112220502B CN112220502B CN202011098291.4A CN202011098291A CN112220502B CN 112220502 B CN112220502 B CN 112220502B CN 202011098291 A CN202011098291 A CN 202011098291A CN 112220502 B CN112220502 B CN 112220502B
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- valve body
- rotary
- butt joint
- valve
- screen
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
Abstract
The invention relates to the technical field of medical specimen sampling, in particular to a valve body device for assisting an endoscope to take a specimen, which comprises a shell, a rotary valve body, a specimen extraction device, a valve hole locking device, a butt joint device and a connector, wherein the rotary valve body is arranged inside the shell, the left side and the right side of the rotary valve body are respectively provided with an inflow pipeline and an outflow pipeline, the inflow pipeline comprises an endoscope hose and a stop valve, and the endoscope hose is connected to the outer end of the inflow pipeline through the connector. According to the invention, the specimen to be attracted can be retained through the screen device only by adjusting the rotary valve body, so that the processes of repeated plugging and unplugging of an assistant, gauze adjustment, connection airtightness, confirmation of successful retention and the like are omitted, the operation time is saved, the anesthesia risk and the incidence rate of related complications are reduced, and the specimen retention efficiency is improved.
Description
Technical Field
The invention relates to the technical field of medical specimen sampling, in particular to a valve body device for assisting an endoscope to take a specimen.
Background
At present, digestive endoscopy doctors take biopsy procedures, digestive tract pathological tissues are cut, the suction of a biopsy channel under an endoscope with a small size can be reserved on gauze between the endoscopic biopsy channel and an external drainage tube through the suction of the biopsy channel, after the pathological samples are determined to be reserved after the cutting, an assistant manually pulls out the drainage tube, the prepared thin-layer gauze is placed between the drainage tube and the endoscope drainage channel, then the drainage tube is inserted, after the suction through an aspirator, the drainage tube is pulled out to judge whether the samples are reserved on the gauze or not, and the samples are successfully reserved. The multiple manual inserting and pulling processes, the gauze preparation processes and the like greatly increase the overall operation time of a patient, particularly under the conditions of unsatisfactory gauze thickness and suction apparatus attachment and the like, the gauze needs to be adjusted repeatedly, whether the specimen is successfully reserved or not is checked through multiple suction and repeated inserting and pulling, and the anesthesia risk and the occurrence of complications in the operation are increased.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a valve body device for assisting an endoscope to take a sample.
The invention aims to solve the technical problem by adopting the following technical scheme, the valve body device for assisting an endoscope to take a sample comprises a shell, a rotary valve body, a sample extraction device, a valve hole locking device, a butt joint device and a connector, wherein the rotary valve body is arranged in the shell, an inflow pipeline and an outflow pipeline are respectively arranged on the left side and the right side of the rotary valve body, the inflow pipeline comprises an endoscope hose and a stop valve, the endoscope hose is connected to the outer end of the inflow pipeline through the connector, the stop valve is arranged in the middle of the inflow pipeline, the butt joint device is arranged at the inner end of the inflow pipeline, the outflow pipeline comprises an aspirator hose, a flow rate detection device and a particle detection device, the aspirator hose is connected to the outer end of the outflow pipeline through the connector, and the flow rate detection device and the particle detection device are arranged in the middle of the outflow pipeline, inflow pipeline and outflow pipeline all pass through interfacing apparatus respectively with the butt joint is realized to the terminal surface about the rotary valve body, sample extraction element is installed at the casing top, the casing top is equipped with the valve body sample connection, sample extraction element is used for via the sample carrier of the inside corresponding valve position department of rotary valve body is extracted to the valve body sample connection, the casing top is equipped with valve opening locking device, valve opening locking device is used for control the locking of valve body sample connection with open.
Further, interfacing apparatus includes magnetic force suction disc, elasticity rubber tube and butt joint chucking head, magnetic force suction disc fixed mounting be in the inboard of casing bottom, butt joint chucking head pass through the elasticity rubber tube with magnetic force suction disc intercommunication, magnetic force suction disc is used for magnetic force to adsorb control the flexible of butt joint chucking head, butt joint chucking head is used for the butt joint to compress tightly the terminal surface of rotatory valve body.
Furthermore, the butt joint clamping head is in a flat taper sleeve shape, a contact annular surface is arranged at the edge of the outer end of the butt joint clamping head, and a watertight elastic rubber ring is arranged on the contact annular surface.
Further, the elastic rubber tube comprises an axial movable keel, and the axial movable keel is used for supporting the linear free telescopic motion of the elastic rubber tube.
Further, rotary valve body is cylindricly, rotary valve body's inside is equipped with first valve position, second valve position and third valve position, be equipped with in the valve opening of first valve position screen cloth device, screen cloth device's the outside is connected with the stratum reticulare support, screen cloth device passes through the stratum reticulare support to be fixed inside the valve opening of first valve position, rotary valve body's center is equipped with gyration actuating shaft device, the inside of gyration actuating shaft device is equipped with rotary encoder, gyration actuating shaft device is connected with gyration servo drive system, gyration actuating shaft device and gyration servo drive system all pass through mounting structure fixed mounting inside the casing.
Further, the first valve position, the second valve position and the third valve position are circumferentially arranged around the rotation center line of the rotary valve body at equal intervals, butt joint annular grooves matched and contacted with the butt joint device are formed in the left end and the right end of the first valve position, the left end and the right end of the second valve position and the right end of the third valve position, the second valve position is provided with a through hole, and the third valve position is provided with a closed hole.
Further, the screen device comprises a first screen layer, a second screen layer, a third screen layer and a fourth screen layer which are sequentially arranged at intervals from front to back, the first screen layer, the second screen layer, the third screen layer and the fourth screen layer are connected into a cylindrical shape through screen layer connecting frames, a clamping structure is arranged on the outer side of the screen device, and the screen layer support is connected with the outer side of the screen device through the clamping structure.
Further, the distance between the adjacent layers of the first net layer, the second net layer, the third net layer and the fourth net layer along the liquid flow direction is gradually increased.
Further, the specimen extraction device comprises a turnover mechanism, a linear sliding driving mechanism and an electromagnetic suction cover, wherein the turnover mechanism is fixedly installed at the top of the shell, the linear sliding driving mechanism is connected with the output end of the turnover mechanism, the electromagnetic suction cover is arranged at the tail end of the linear sliding driving mechanism and used for adsorbing and extracting the sample carrier inside the rotary valve body.
Compared with the prior art, the invention has the following advantages:
the three-way valve realizes three different working modes of the valve body through the rotary valve body with three valve positions, namely a sampling mode, a downstream mode and a locking mode, realizes the free switching of watertight connection and the working modes under the coordination of the butt joint device through the control system, and is convenient and fast to operate; the screen device can be matched with manual operation through the sample extraction device, so that the external pollution of the sample is reduced, and the operation flexibility is realized; the time-sharing butt joint is realized through the telescopic control butt joint device, the water tightness in the working mode switching movement process of the valve body is ensured, the water tightness under the static working device of the valve body is also ensured, and the cleanliness of the valve body is improved; according to the invention, the specimen to be attracted can be retained through the screen device only by adjusting the rotary valve body, so that the processes of repeated plugging and unplugging of an assistant, gauze adjustment, connection airtightness, confirmation of successful retention and the like are omitted, the operation time is saved, the anesthesia risk and the incidence rate of related complications are reduced, and the specimen retention efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
fig. 2 is a schematic view of the structure of the rotary valve body 2 of the present invention;
fig. 3 is a schematic structural view of the screen device 3 of the present invention;
1-shell, 11-inflow pipeline, 111-endoscope hose, 112-cut-off valve, 12-outflow pipeline, 121-aspirator hose, 122-flow rate detection device, 123-particle detection device, 2-rotary valve body, 21-first valve position, 22-second valve position, 23-third valve position, 24-rotary driving shaft device, 25-rotary servo driving system, 3-screen device, 31-first net layer, 32-second net layer, 33-third net layer, 34-fourth net layer, 35-net layer connecting frame, 4-net layer bracket, 5-specimen extraction device, 51-turnover mechanism, 52-linear sliding driving mechanism, 53-electromagnetic suction cover, 6-valve hole locking device, 7-butt joint device, 71-magnetic suction plate, 72-elastic rubber tube, 73-butt joint clamping head and 8-connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention discloses a valve body device for assisting an endoscope to retain a sample, comprising a housing 1, a rotary valve body 2, a sample extraction device 5, a valve hole locking device 6, a docking device 7 and a connector 8, wherein the rotary valve body 2 is arranged inside the housing 1, an inflow pipeline 11 and an outflow pipeline 12 are respectively arranged at the left and right sides of the rotary valve body 2, the inflow pipeline 11 comprises an endoscope hose 111 and a shutoff valve 112, the endoscope hose 111 is connected to the outer end of the inflow pipeline 11 through the connector 8, the shutoff valve 112 is arranged in the middle of the inflow pipeline 11, the docking device 7 is arranged at the inner end of the inflow pipeline 11, the outflow pipeline 12 comprises an aspirator hose 121, a flow rate detection device 122 and a particle detection device 123, the aspirator hose 121 is connected to the outer end of the outflow pipeline 12 through the connector 8, the middle part of the outflow pipeline 12 is provided with a flow velocity detection device 122 and a particle detection device 123, the inflow pipeline 11 and the outflow pipeline 12 are respectively butted with the left end face and the right end face of the rotary valve body 2 through the butting device 7, the top of the casing 1 is provided with a sample extraction device 5, the top of the casing 1 is provided with a valve body sampling port, the sample extraction device 5 is used for extracting a sample carrier at a corresponding valve position inside the rotary valve body 2 through the valve body sampling port, the sample extraction device 5 comprises a turnover mechanism 51, a linear sliding driving mechanism 52 and an electromagnetic suction cover 53, the turnover mechanism 51 is fixedly arranged at the top of the casing 1, the linear sliding driving mechanism 52 is connected with the output end of the turnover mechanism 51, the tail end of the linear sliding driving mechanism 52 is provided with the electromagnetic suction cover 53, and the electromagnetic suction cover 53 is used for absorbing and extracting the sample carrier inside the rotary valve body 2, and a valve hole locking device 6 is arranged at the top of the shell 1, and the valve hole locking device 6 is used for controlling the valve body sampling port to be locked and unlocked.
The rotary valve body 2 is cylindrical, a first valve position 21, a second valve position 22 and a third valve position 23 are arranged inside the rotary valve body 2, the screen device 3 is arranged in a valve hole of the first valve position 21, the outer side of the screen device 3 is connected with a net layer support 4, the screen device 3 is fixed inside the valve hole of the first valve position 21 through the net layer support 4, a rotary driving shaft device 24 is arranged at the center of the rotary valve body 2, a rotary encoder is arranged inside the rotary driving shaft device 24, the rotary driving shaft device 24 is connected with a rotary servo driving system 25, and the rotary driving shaft device 24 and the rotary servo driving system 25 are fixedly installed inside the shell 1 through a support structure. The first valve position 21, the second valve position 22 and the third valve position 23 are circumferentially arranged around the rotation center line of the rotary valve body 2 at equal intervals, the left end and the right end of the first valve position 21, the second valve position 22 and the third valve position 23 are respectively provided with a butt joint annular groove which is in fit contact with the butt joint device 7, the second valve position 22 is a through hole, and the third valve position 23 is a closed hole. The screen device 3 comprises a first screen layer 31, a second screen layer 32, a third screen layer 33 and a fourth screen layer 34 which are sequentially arranged at intervals, the first screen layer 31, the second screen layer 32, the third screen layer 33 and the fourth screen layer 34 are connected into a cylindrical shape through a screen layer connecting frame 35, a clamping structure is arranged on the outer side of the screen device 3, and the screen layer support 4 is connected with the outer side of the screen device 3 through the clamping structure. The spacing between the adjacent layers of the first mesh layer 31, the second mesh layer 32, the third mesh layer 33 and the fourth mesh layer 34 in the liquid flow direction is gradually increased.
In practical use, the outer end of the endoscope hose 111 is connected with a digestive endoscope system, body fluid in the digestive tract enters the inflow pipeline 11 through the endoscope hose 111, when sampling is needed, the control system controls the first valve position 21 to rotate to a working position and keep static, the docking devices 7 on the left side and the right side of the rotary valve body 2 act simultaneously to press the docking clamping heads 73 on two ends of the first valve position 21 to form a sampling passage, the control system automatically opens the stop valve 112 at the moment, the body fluid in the digestive tract flows into the screen device 3 in the first valve position 21, a sample is continuously filtered and stored by the screen device 3, the filtered liquid flows into a container of the aspirator system through the aspirator hose 121, in the process, the flow rate detection device 122 and the particle detection device 123 continuously detect the state of the filtered and sampled liquid and provide reference for whether to replace the screen device 3, and after a period of time, when the screen device 3 needs to be extracted, the control cut-off valve 112 is closed, the butt joint device 7 retracts, the first valve position 21 rotates to the sampling position above, at the moment, the first valve position 21 is opposite to the valve body sampling port, the electromagnetic suction cover 53 adsorbs the net layer support 4 and the screen device 3, the linear sliding driving mechanism 52 drives the electromagnetic suction cover 53 to move upwards, so that the screen device 3 leaves the first valve position 21, the turnover mechanism 51 drives the linear sliding driving mechanism 52 to turn over integrally, so that the net layer support 4 and the screen device 3 face the front integrally, a medical worker can take the screen device 3 down from the net layer support 4 through an appliance, and the automatic sampling process is realized. Similarly, the installation of the screen device 3 into the valve body is a similar operation process, and these processes can be flexibly controlled by a control system, and those skilled in the art can directly imagine the above technical contents. The operation of the second valve position 22 and the third valve position 23 is similar to the operation of the first valve position 21, and is relatively simple, and will not be described in detail here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a valve body device for assisting scope is stayed and is got sample which characterized in that: the rotary valve comprises a shell, a rotary valve body, a sample extraction device, a valve hole locking device, a butt joint device and a connector, wherein the rotary valve body is arranged in the shell, an inflow pipeline and an outflow pipeline are respectively arranged on the left side and the right side of the rotary valve body, the rotary valve body is cylindrical, a first valve position, a second valve position and a third valve position are arranged in the rotary valve body, a screen device is arranged in a valve hole of the first valve position, a net layer support is connected to the outer side of the screen device, the screen device is fixed in the valve hole of the first valve position through the net layer support, a rotary driving shaft device is arranged at the center of the rotary valve body, a rotary encoder is arranged in the rotary driving shaft device, the rotary driving shaft device is connected with a rotary servo driving system, and the rotary driving shaft device and the rotary servo driving system are both fixedly arranged in the shell through a support structure, the screen device comprises a first screen layer, a second screen layer, a third screen layer and a fourth screen layer which are sequentially arranged at intervals from front to back, the first screen layer, the second screen layer, the third screen layer and the fourth screen layer are connected into a cylindrical shape through screen layer connecting frames, a clamping structure is arranged on the outer side of the screen device, a screen layer support is connected with the outer side of the screen device through the clamping structure, an inflow pipeline comprises an endoscope hose and a stop valve, the endoscope hose is connected to the outer end of the inflow pipeline through a connector, the stop valve is arranged in the middle of the inflow pipeline, a butt joint device is arranged at the inner end of the inflow pipeline, an outflow pipeline comprises an aspirator hose, a flow rate detection device and a particle detection device, the aspirator hose is connected to the outer end of the outflow pipeline through the connector, and a flow rate detection device and a particle detection device are arranged in the middle of the outflow pipeline, inflow pipeline and outflow pipeline all pass through interfacing apparatus respectively with the butt joint is realized to the terminal surface about the rotary valve body, sample extraction element is installed at the casing top, the casing top is equipped with the valve body sample connection, sample extraction element is used for via the sample carrier of the inside corresponding valve position department of rotary valve body is extracted to the valve body sample connection, the casing top is equipped with valve opening locking device, valve opening locking device is used for control the locking of valve body sample connection with open.
2. The valve body device for assisting in taking a specimen through an endoscope according to claim 1, wherein: butt joint device includes magnetic force suction disc, elasticity rubber tube and butt joint chucking head, magnetic force suction disc fixed mounting be in the inboard of casing bottom, butt joint chucking head pass through the elasticity rubber tube with the magnetic force suction disc intercommunication, the magnetic force suction disc is used for magnetic force absorption control the flexible of butt joint chucking head, butt joint chucking head is used for the butt joint to compress tightly the terminal surface of rotary valve body.
3. The valve body device for assisting in taking a specimen through an endoscope according to claim 2, wherein: the butt joint clamping head is in a flat taper sleeve shape, a contact annular surface is arranged at the edge of the outer end of the butt joint clamping head, and a watertight elastic rubber ring is arranged on the contact annular surface.
4. The valve body device for assisting in taking a specimen through an endoscope according to claim 2, wherein: the elastic rubber tube comprises an axial movable keel, and the axial movable keel is used for supporting the linear free telescopic motion of the elastic rubber tube.
5. The valve body device for assisting in taking a specimen through an endoscope according to claim 1, wherein: the first valve position, the second valve position and the third valve position are circumferentially arranged around the rotation center line of the rotary valve body at equal intervals, butt joint annular grooves matched and contacted with the butt joint devices are formed in the left end and the right end of the first valve position, the second valve position and the third valve position, the second valve position is a through hole, and the third valve position is a closed hole.
6. The valve body device for assisting in taking a specimen through an endoscope according to claim 1, wherein: and the distance between the adjacent layers of the first net layer, the second net layer, the third net layer and the fourth net layer along the liquid flow direction is gradually increased.
7. The valve body device for assisting in taking a specimen through an endoscope according to claim 1, wherein: the specimen extraction device comprises a turnover mechanism, a linear sliding driving mechanism and an electromagnetic suction cover, wherein the turnover mechanism is fixedly installed at the top of the shell, the linear sliding driving mechanism is connected to the output end of the turnover mechanism, the electromagnetic suction cover is arranged at the tail end of the linear sliding driving mechanism, and the electromagnetic suction cover is used for adsorbing and extracting a sample carrier inside the rotary valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098291.4A CN112220502B (en) | 2020-10-14 | 2020-10-14 | Valve body device for assisting endoscope to leave and take sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098291.4A CN112220502B (en) | 2020-10-14 | 2020-10-14 | Valve body device for assisting endoscope to leave and take sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112220502A CN112220502A (en) | 2021-01-15 |
| CN112220502B true CN112220502B (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011098291.4A Active CN112220502B (en) | 2020-10-14 | 2020-10-14 | Valve body device for assisting endoscope to leave and take sample |
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| CN (1) | CN112220502B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8496006B2 (en) * | 2005-01-20 | 2013-07-30 | Pulmonx Corporation | Methods and devices for passive residual lung volume reduction and functional lung volume expansion |
| US9332969B2 (en) * | 2009-01-06 | 2016-05-10 | Carefusion 207, Inc. | Fluid flow control apparatus and patient fluid sampling method |
| US8522813B2 (en) * | 2010-09-08 | 2013-09-03 | Covidien Lp | Needleless sampling port |
| CN103083047A (en) * | 2011-11-03 | 2013-05-08 | 江苏康诺医疗器械有限公司 | Sampling valve for drainage tube |
| EP3530298B1 (en) * | 2018-02-21 | 2023-09-06 | Ambu A/S | A medical sampling device |
| CN211475135U (en) * | 2019-12-24 | 2020-09-11 | 珠海横琴普思智慧科技有限公司 | Pipeline joint with sealing structure |
| CN213099842U (en) * | 2020-08-03 | 2021-05-04 | 赵春红 | Urinary surgery is with catheterization device |
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2020
- 2020-10-14 CN CN202011098291.4A patent/CN112220502B/en active Active
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| CN112220502A (en) | 2021-01-15 |
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