CN216020958U - Endoscope structure for digestive system department - Google Patents
Endoscope structure for digestive system department Download PDFInfo
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- CN216020958U CN216020958U CN202122422356.2U CN202122422356U CN216020958U CN 216020958 U CN216020958 U CN 216020958U CN 202122422356 U CN202122422356 U CN 202122422356U CN 216020958 U CN216020958 U CN 216020958U
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- gas
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- plug assembly
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- 210000002249 digestive system Anatomy 0.000 title abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 173
- 239000007924 injection Substances 0.000 claims abstract description 86
- 238000002347 injection Methods 0.000 claims abstract description 86
- 238000007789 sealing Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims description 19
- 238000001802 infusion Methods 0.000 claims description 15
- 238000007689 inspection Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 98
- 238000004891 communication Methods 0.000 description 7
- 210000003128 head Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000001035 gastrointestinal tract Anatomy 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
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Abstract
The utility model discloses an endoscope structure for digestive system department, wherein a liquid inlet component on an endoscope body comprises a cylindrical valve body, a sealing chamber is arranged in the cylindrical valve body, a coaxial air inlet and an air outlet as well as a coaxial liquid inlet and a coaxial liquid outlet are arranged on the opposite side walls of the sealing chamber, a gas injection component is arranged on the air inlet, a liquid injection component is connected on the liquid inlet, and an output pipe is connected on the air outlet and the liquid outlet together; the upper valve plug assembly and the lower valve plug assembly are movably arranged in the sealing cavity, the upper valve plug assembly comprises a gas transmission channel, the lower valve body assembly comprises a liquid transmission channel, a driving assembly is arranged on the cylindrical valve body, and the driving assembly can drive the upper valve plug assembly to move continuously to have a first working position and a second working position. The endoscope structure for the digestive system department provided by the utility model can complete the operation of injecting gas firstly and then injecting water through unidirectional continuous operation, and meanwhile, an operator can complete the operation of injecting water or gas according to different operation modes, so that the inspection efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an endoscope structure for a digestive system department.
Background
Endoscopes are widely used in the medical field. Endoscopes used in the medical field can observe organs in a body cavity by inserting an elongated insertion portion into the body cavity of a subject, or can treat or treat tissues in the body cavity by using a treatment instrument inserted into a forceps channel of the endoscope as necessary. A conventional endoscope generally includes an elongated insertion portion and an operation portion connected to a proximal end side of the insertion portion as main components described below.
With the development of endoscope technology, in endoscopy and treatment, in order to facilitate the progress of an endoscope in a digestive tract and the flushing of a wound in the digestive tract, gas or liquid is often injected into the digestive tract cavity through the endoscope, water injection and gas injection valves of the endoscope in the current market are arranged on two sides of the endoscope, during the operation process, water injection operation and gas injection operation need to be respectively and independently completed, if gas injection is needed firstly and then water injection is needed, an operator needs to operate twice in different directions, so that the operation is inconvenient, and the progress of the examination or the operation is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an endoscope structure for a digestive system department, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an endoscope structure for the department of gastroenterology comprises an endoscope body, wherein a liquid inlet assembly is arranged on the endoscope body and comprises a cylindrical valve body, a sealing cavity is arranged inside the cylindrical valve body, a coaxial air inlet and a coaxial air outlet are formed in the opposite side walls of the sealing cavity, a coaxial liquid inlet and a coaxial liquid outlet are also formed in the opposite side walls of the sealing cavity, the position of the liquid outlet is lower than that of the air outlet, a gas injection assembly is arranged on the air inlet, a liquid injection assembly is connected onto the liquid inlet, and an output pipe is connected onto the air outlet and the liquid outlet together;
an upper valve plug assembly and a lower valve plug assembly are movably arranged in the sealing cavity, the upper valve plug assembly comprises a gas transmission channel, the lower valve body assembly comprises a liquid transmission channel, a driving assembly is arranged on the cylindrical valve body, and the driving assembly can drive the upper valve plug assembly to continuously move and has a first working position and a second working position;
in the first working position, the gas transmission channel is communicated with the gas inlet and the gas outlet so as to inject gas into the output pipe;
from first operating position to second operating position, go up valve plug assembly drive down the motion of valve plug assembly make infusion passageway with inlet and liquid outlet are linked together in order to realize to output tube water injection, just on the second operating position, go up the valve plug assembly and close the air inlet with the gas outlet.
The endoscope structure for the digestive system department is characterized in that the lower valve plug assembly comprises a lower valve plug body and an elastic recovery mechanism, and the elastic recovery mechanism blocks the movement stroke of the movement of the lower valve plug body.
Foretell endoscope structure for gastroenterology, drive assembly is including driving the valve rod, the lower extreme that drives the valve rod be located sealed cavity's inside and with go up the plug subassembly and be connected, the upper end that drives the valve rod is located sealed cavity's the outside and be connected with the driving head.
The driving valve rod is sleeved with a first spring part, and the first spring part blocks the movement stroke of the driving head moving downwards.
In the above endoscope structure for the department of gastroenterology, the elastic restoring mechanism includes the second spring member, and an elastic coefficient of the second spring member is greater than an elastic coefficient of the first spring member.
Foretell endoscope structure for gastroenterology, the gas injection subassembly include with the gas injection chamber that the air inlet is connected, the gas injection chamber has gas supply unit through intake-tube connection, the storage has compressed gas in the gas injection chamber.
Foretell endoscope structure for gastroenterology, annotate the liquid subassembly include with annotate the liquid chamber that the inlet is connected, annotate and be connected with water supply installation on the liquid intracavity, annotate the intracavity and be provided with pressure infusion structure.
The endoscope structure for the digestive system department is characterized in that the pressure infusion mechanism comprises a connecting pipe, and the connecting pipe is connected with the air injection cavity and the liquid injection cavity.
Foretell endoscope structure for gastroenterology, pressure infusion mechanism sets up including sliding annotate the liquid push plate of liquid intracavity, be connected with the liquid push rod on the liquid push plate, the end connection of liquid push rod has the drive the liquid push plate is followed annotate liquid chamber reciprocating motion's drive structure.
Foretell endoscope structure for gastroenterology, the gas injection intracavity slides and is provided with and pushes away the gas board, push away the gas pole on the gas board, push away the tip of gas pole with drive structure is connected in order to realize the drive push away the gas board and follow gas injection chamber reciprocating motion.
In the technical scheme, the endoscope structure for the department of gastroenterology provided by the utility model has the following beneficial effects:
the endoscope structure for the digestive system department provided by the embodiment of the utility model comprises an endoscope body, wherein a liquid inlet assembly is arranged on the endoscope body, the liquid inlet assembly comprises a cylindrical valve body, a sealing cavity is arranged in the cylindrical valve body, an air inlet, an air outlet, a liquid inlet and a liquid outlet are arranged on the sealing cavity, an upper valve plug assembly and a lower valve plug assembly are movably arranged in the sealing cavity, the upper valve plug assembly is used for controlling the communication or the closing of the air inlet and the air outlet, the lower valve plug assembly is used for controlling the communication or the closing of the liquid inlet and the liquid outlet, a driving assembly is arranged on the cylindrical valve body, an operator can drive the upper valve plug assembly and the lower valve plug assembly to move to a preset position through the driving assembly, so that the air inlet and the air outlet as well as the liquid inlet and the liquid outlet are sequentially communicated, and the operation of injecting air and injecting water can be completed through one-time continuous operation, meanwhile, an operator can complete the operations of water injection and gas injection or separate water injection and separate gas injection by one-time continuous operation according to different operation modes, so that different requirements in the operation process are met, and the inspection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of an endoscope for digestive system department according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of the endoscope for department of gastroenterology according to the embodiment of the utility model;
FIG. 3 is a schematic structural diagram of an upper plug assembly provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a lower plug assembly according to an embodiment of the present invention.
Description of reference numerals:
1. a liquid inlet component;
2. a cylindrical valve body;
2.1, sealing the chamber; 2.2, an air inlet; 2.3, an air outlet; 2.4, a liquid inlet; 2.5, a liquid outlet;
3. an upper plug assembly;
3.1, a gas transmission channel;
4. a lower valve plug assembly;
4.1, a transfusion channel; 4.2, a second spring element;
5. a drive assembly;
5.1, driving the valve rod; 5.2, a first spring element; 5.3, a driving head;
6. a gas injection assembly;
6.1, a gas injection cavity; 6.2, pushing the gas plate; 6.3, pushing the air rod;
7. a liquid injection assembly;
7.1, a liquid injection cavity; 7.2, connecting pipes; 7.3, a liquid pushing plate; 7.4, a liquid pushing rod;
8. a drive structure.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, an embodiment of the present invention provides an endoscope structure for a department of gastroenterology, including an endoscope body, a liquid inlet assembly 1 is disposed on the endoscope body, the liquid inlet assembly 1 includes a cylindrical valve body 2, a sealing chamber 2.1 is disposed inside the cylindrical valve body 2, a gas outlet 2.3 and a liquid outlet 2.5 are disposed on one side wall of the sealing chamber 2.1, a gas inlet 2.2 and a liquid outlet 2.5 are disposed on the other side wall of the sealing chamber 2.1, the gas inlet 2.2 and the gas outlet 2.3 are coaxially disposed, the liquid inlet 2.4 and the liquid outlet 2.5 are coaxially disposed, a gas injection assembly 6 is disposed on the gas inlet 2.2, a liquid injection assembly 7 is connected on the liquid inlet 2.4, and an output tube is connected on the gas outlet 2.3 and the liquid outlet 2.5; an upper valve plug assembly 3 and a lower valve plug assembly 4 are movably arranged in the sealed chamber 2.1, the upper valve plug assembly 3 comprises a gas transmission channel 3.1, the lower valve body assembly comprises a liquid transmission channel 4.1, a driving assembly 5 is arranged on the cylindrical valve body 2, and the driving assembly 5 can drive the upper valve plug assembly 3 to continuously move and has a first working position and a second working position; in the first working position, the gas transmission channel 3.1 is communicated with the gas inlet 2.2 and the gas outlet 2.3 to realize gas injection into the output pipe; from the first working position to the second working position, the upper valve plug assembly 3 drives the lower valve plug assembly 4 to move, so that the liquid conveying channel 4.1 is communicated with the liquid inlet 2.4 and the liquid outlet 2.5 to realize the water injection to the output pipe, and in the second working position, the upper valve plug assembly 3 closes the air inlet 2.2 and the air outlet 2.3.
The utility model discloses a liquid inlet assembly 1 sets up on operating handle, and the output tube sets up in the inside of jar body, can be provided with other structures of current endoscope on operating handle and output tube, this common structure among the prior art, and it is no longer repeated here for the common structure among the prior art to be this, and the body on the operating handle includes operating handle and connects operating handle, and the body can the oral cavity get into in the stomach or get into internally through other natural pore canals, and liquid inlet assembly 1 sets up on operating handle, and the output tube setting can be provided with other equipment of current endoscope on operating handle and output tube. The improvement of the embodiment is that the liquid inlet assembly 1 can conveniently inject or inject air into a human body, the liquid inlet assembly 1 comprises a cylindrical valve body 2, a sealed chamber 2.1 is formed inside the cylindrical valve body 2, the sealed chamber 2.1 is arranged along the axial direction of the cylindrical valve body 2, the sealed chamber 2.1 can be cylindrical, preferably, the sealed chamber 2.1 is cuboid, the air outlet 2.3 and the air inlet 2.2 are arranged on two opposite side walls of the sealed chamber 2.1, the air inlet 2.2 and the air outlet 2.3 are coaxially connected, namely, the air outlet 2.3 and the air inlet 2.2 are both communicated with the sealed chamber 2.1, the liquid outlet 2.5 and the liquid inlet 2.4 are also arranged on two opposite side walls of the sealed chamber, the liquid inlet 2.4 and the air outlet 2.3 are also coaxially arranged, namely, the liquid inlet 2.4 and the liquid outlet 2.5 are both communicated with the sealed chamber 2.1, and the position of the liquid outlet 2.5 is lower than the position of the air outlet 2.3, it should be noted here that the gas outlet 2.3 and the liquid outlet 2.5 may be arranged on one side wall of the sealed cavity, or may be arranged on two side walls of the sealed cavity 2.1, but the gas outlet 2.3 and the liquid inlet 2.4 are arranged on two different side walls of the sealed cavity 2.1. Be connected with gas injection subassembly 6 on air inlet 2.2, gas injection subassembly 6 is used for to air inlet 2.2 carrier gas, the gas capacity of carrier gas at every turn is in predetermined within range, be connected with on inlet 2.4 and annotate liquid subassembly 7, it is used for to inlet 2.4 transport liquid to annotate liquid subassembly 7, liquid can be the proper normal saline of temperature, also can be the proper water of temperature, and the volume of input at every turn is within control range, connect the output tube on gas outlet 2.3 and liquid outlet 2.5 jointly, the output tube sets up the inside at the body, so can be internal gas injection of looks human body and/or water injection through the body.
In this embodiment, the upper valve plug assembly 3 and the lower valve plug assembly 4 are movably disposed inside the sealed chamber 2.1, the upper valve plug assembly 3 and the lower valve plug assembly 4 may be slidably connected to the sealed chamber 2.1, that is, the upper valve plug assembly 3 and the lower valve plug assembly 4 can both move up and down along the sidewall of the sealed chamber 2.1, the upper valve plug assembly 3 is used to control the communication or closing of the air inlet 2.2 and the air outlet 2.3, a vent channel is disposed on the upper valve plug assembly 3, when the upper valve plug assembly 3 moves along the sealed chamber 2.1 so that two ends of the vent channel respectively correspond to the air inlet 2.2 and the air outlet 2.3, the vent channel realizes the complete communication between the air inlet 2.2 and the air outlet 2.3, at this time, the air inlet 2.2, the vent channel is coaxial with the air outlet 2.3, and when the upper valve plug assembly 3 moves so that the sidewall thereof corresponds to the air inlet 2.2.2 and the air outlet 2.3, at this time, the air inlet 2.2.2.2 and the air outlet 2.3 are closed, similarly, the lower valve plug assembly 4 is used to control the connection or the closing of the liquid inlet 2.4 and the liquid outlet 2.5, the lower valve plug assembly 4 is provided with a liquid conveying channel 4.1, when the lower valve plug assembly 4 moves along the sealing chamber 2.1 to make the two ends of the liquid conveying channel 4.1 correspondingly connected with the liquid inlet 2.4 and the liquid outlet 2.5, the liquid conveying channel 4.1 realizes the complete connection of the liquid inlet 2.4 and the liquid outlet 2.5, the liquid inlet 2.4, the liquid conveying channel 4.1 and the liquid outlet 2.5 are coaxial, when the valve plug assembly 4 moves to make the side wall thereof correspondingly to the liquid inlet 2.4 and the liquid outlet 2.5, the liquid inlet 2.4 and the liquid outlet 2.5 are both closed, in order to improve the sealing effect between the gas inlet 2.2, the gas outlet 2.3 and the upper valve plug assembly 3, and the sealing effect between the liquid inlet 2.4, the liquid outlet 2.5 and the lower valve plug assembly 4, the elastic connecting piece can be arranged at one end of the gas inlet 2.2.2, the gas outlet 2.3, the liquid outlet 2.4 and the elastic connecting piece 2.5 which are arranged in the sealing chamber 2.1, elastic connector includes the go-between, at air inlet 2.2, gas outlet 2.3, be provided with annular groove around its opening on inlet 2.4 and the liquid outlet 2.5, the go-between passes through compression spring sliding connection in annular groove, at last valve plug subassembly 3 with under the motion process of valve plug subassembly 4, compression spring is supported all the time and is pressed, thereby make the go-between laminate all the time on the lateral wall of last valve plug subassembly 3 and lower valve plug subassembly 4, thereby promote leakproofness and connection effect.
In this embodiment, the driving assembly 5 is disposed on the cylindrical valve body 2, and is configured to drive the upper valve plug assembly 3 and the lower valve plug assembly 4 to move, so as to open or close the gas outlet 2.3 and the gas inlet 2.2 and open or close the liquid outlet 2.5 and the liquid inlet 2.4, the driving assembly 5 directly drives the upper valve plug assembly 3 to move, when the upper valve plug assembly 3 is in an initial position of the sealed chamber 2.1, at this time, the space between the gas inlet 2.2 and the gas outlet 2.3 is closed by the upper valve plug assembly 3, and the space between the liquid outlet 2.5 and the liquid inlet 2.4 is closed by the lower valve plug assembly 4; under the action of the driving assembly 5, when the upper valve plug assembly 3 is driven to move to the first working position, at the moment, two ends of the gas transmission channel 3.1 are completely communicated with the gas inlet 2.2 and the gas outlet 2.3, the gas inlet 2.2 and the gas outlet 2.3 are mutually communicated, so that gas is injected into the output pipe, at the moment, the second valve plug assembly is in the original position, and the liquid outlet 2.5 and the liquid inlet 2.4 are closed by the lower valve plug assembly 4; along with the continuation drive of drive assembly 5, first valve plug subassembly continues the motion, this moment because lower valve plug subassembly 4 blocks on the stroke of last valve plug subassembly 3, at this in-process, valve plug subassembly 4 motion under the drive of last valve plug subassembly 3, when last valve plug subassembly 3 moves to second operating position, at this moment by last valve plug subassembly 3 between air inlet 2.2 and the gas outlet 2.3 close, the both ends of the infusion passageway 4.1 on lower valve plug subassembly 4 communicate with inlet 2.4 and liquid outlet 2.5 completely, make intercommunication each other between inlet 2.4 and the liquid outlet 2.5, thereby pour into liquid in the delivery pipe, it is further, after the drive of last valve plug subassembly 3 to lower valve plug subassembly 4 disappears, lower valve plug subassembly 4 can be quick resumes to initial condition.
The embodiment of the utility model provides an endoscope structure for a digestive system department, which comprises an endoscope body, wherein a liquid inlet assembly 1 is arranged on the endoscope body, the liquid inlet assembly 1 comprises a cylindrical valve body 2, a sealing cavity 2.1 is arranged inside the cylindrical valve body 2, an air inlet 2.2, an air outlet 2.3, a liquid inlet 2.4 and a liquid outlet 2.5 are arranged on the sealing cavity 2.1, an upper valve plug assembly 3 and a lower valve plug assembly 4 are movably arranged in the sealing cavity 2.1, the upper valve plug assembly 3 is used for controlling the communication or the closing of the air inlet 2.2 and the air outlet 2.3, the lower valve plug assembly 4 is used for controlling the communication or the closing of the liquid inlet 2.4 and the liquid outlet 2.5, a driving assembly 5 is arranged on the cylindrical valve body 2, an operator can drive the upper valve plug assembly 3 and the lower valve plug assembly 4 to move to preset positions in sequence through the driving assembly 5, so that the air inlet 2.2 and the air outlet 2.3 as well as the liquid inlet 2.4 and the liquid outlet 2.5 are communicated in sequence, realize once only continuous operation and just can accomplish the operation of earlier gas injection back water injection, the operator also can be according to the operation mode of difference simultaneously, and earlier water injection back gas injection is accomplished to once only continuous operation, perhaps water injection alone, the operation of gas injection alone to satisfy the different requirements in operation process, promote the efficiency of inspection.
In this embodiment, preferably, the lower valve plug assembly 4 includes a lower valve plug body and an elastic restoring member, and the elastic restoring member blocks the movement stroke of the movement of the lower valve plug body; lower valve cock body can follow sealed cavity 2.1 up-and-down motion, and elasticity restores the piece and can be spring part, compression spring etc. and the body of lower valve cock supports when 3 drives with the motion in the body of upper valve cock for elasticity restores the piece and is supported and press, and after last valve cock assembly 3 disappeared to the support of lower valve cock body, under the effect of elasticity restoration piece, lower valve cock body can resume to initial position.
In this embodiment, preferably, the driving assembly 5 includes a driving valve rod 5.1, a lower end of the driving valve rod 5.1 is located inside the sealed chamber 2.1 and connected to the upper valve plug assembly 3, and an upper end of the driving valve rod 5.1 is located outside the sealed chamber 2.1 and connected to the driving head 5.3; a first spring part 5.2 is sleeved on the driving valve rod 5.1 and is blocked on the movement stroke of the driving head 5.3 moving downwards; in operation, an operator presses the driving head 5.3 with a finger to drive the driving valve rod 5.1 to move downwards to press the first spring part 5.2, so that the upper valve plug assembly 3 moves downwards along the sealed chamber 2.1, and after the pressure of the finger on the driving head 5.3 disappears, the driving valve rod 5.1 can be restored to the initial position under the action of the first spring part 5.2.
In this embodiment, it is preferable that the elastic restoring member includes a second spring member 4.2, and the elastic coefficient of the second spring member 4.2 is larger than that of the first spring member 5.2; therefore, in the process of driving the driving valve rod 5.1 by fingers, the upper valve plug assembly 3 moves from the initial position to the first working position, only the first spring piece 5.2 is pressed, the force of pressing by fingers is small at the moment, when the upper valve plug assembly 3 moves to the first working position and continues to move downwards, the upper valve plug assembly 3 drives the lower valve plug body and the second spring piece 4.2, the first spring piece 5.2 and the second spring piece 4.2 are both pressed by the force of finger parts, the pressing force of the finger parts is suddenly increased, so that an operator can judge that the upper valve plug assembly 3 moves to the first working position by the force of the finger parts, a blocking piece can be further arranged at the second working position, the upper valve plug assembly 3 is blocked by the blocking piece, so that the operator can conveniently perform water injection or gas injection operation, the operation of injecting gas first and then injecting water can be realized, or the operation of injecting gas first and then injecting water can be realized, when an operator separately injects water or injects gas first and then injects water, the operator firstly presses the driving valve rod 5.1 with force rapidly during operation so that the upper valve plug assembly 3 moves to the second working position rapidly.
In this embodiment, preferably, the gas injection assembly 6 includes a gas injection cavity 6.1 connected to the gas inlet 2.2, the gas injection cavity 6.1 is connected to a gas supply device through a gas inlet pipe, and compressed gas is stored in the gas injection cavity 6.1; the pressure in the gas injection cavity 6.1 is kept at a proper value by storing gas in the gas injection cavity 6.1, and when the gas transmission channel 3.1 realizes the communication between the gas inlet 2.2 and the gas outlet 2.3, the compressed gas is output from the gas injection cavity 6.1 and is transmitted to the inside of the human body from the gas inlet 2.2, the gas transmission channel 3.1, the gas outlet 2.3 and the output pipe.
In this embodiment, preferably, the liquid injection assembly 7 includes a liquid injection cavity 7.1 connected with the liquid inlet 2.4, a liquid supply device is connected to the inside of the liquid injection cavity 7.1, and a pressure infusion structure is arranged in the liquid injection cavity 7.1; liquid in the liquid injection cavity 7.1 can be output through the pressure infusion structure, then the liquid is conveyed to the inside of a human body from the liquid inlet 2.4, the infusion channel 4.1, the liquid outlet 2.5 and the output pipe in sequence, the liquid capacity stored in the liquid injection cavity 7.1 every time is fixed, and after the liquid in the liquid injection cavity 7.1 is conveyed, the liquid is continuously conveyed to the inside of the liquid injection cavity 7.1 through the liquid supply device.
In this embodiment, preferably, the pressure infusion mechanism comprises a connecting pipe 7.2, and the connecting pipe 7.2 is connected with the air injection cavity 6.1 and the liquid injection cavity 7.1; therefore, when the air inlet 2.2 and the air outlet 2.3 are closed by the upper valve plug assembly 3 and the liquid inlet 2.4 and the liquid outlet 2.5 are communicated through the liquid conveying channel 4.1, the liquid filling cavity 7.1 is communicated with the gas injection cavity 6.1 at the moment, and liquid is conveyed to the liquid conveying channel 4.1 and the liquid outlet 2.5 from the liquid inlet 2.4 and then conveyed to the inside of a human body from the output pipe under the action of the air pressure in the gas injection cavity 6.1.
In this embodiment, preferably, the pressure infusion mechanism includes a liquid pushing plate 7.3 slidably disposed in the liquid injection cavity 7.1, the liquid pushing plate 7.3 is connected with a liquid pushing rod 7.4, and the end of the liquid pushing rod 7.4 is connected with a driving structure 8 capable of driving the liquid pushing plate 7.3 to reciprocate along the liquid injection cavity 7.1; the driving structure 8 can be a driving plate, a piston assembly, a connecting rod assembly and the like, and can also be driven by an operator, so that the liquid pushing rod 7.4 drives the liquid pushing plate 7.3 to move along the liquid injection cavity 7.1, and liquid in the liquid injection cavity 7.1 is output into the output pipe from the liquid inlet 2.4.
In this embodiment, preferably, an air pushing plate 6.2 is slidably disposed in the air injection cavity 6.1, an air pushing rod 6.3 is disposed on the air pushing plate 6.2, an end of the air pushing rod 6.3 is connected with the driving structure 8 to drive the air pushing plate 6.2 to reciprocate along the air injection cavity 6.1, and the air pushing rod 6.3 and the liquid pushing rod 7.4 can jointly receive driving of one driving structure 8 or drive of two driving structures 8; the driving structure 8 can be a driving plate, a piston assembly, a connecting rod assembly and the like, and can also be driven by an operator, so that the gas pushing rod 6.3 drives the gas pushing plate 6.2 to move along the gas injection cavity 6.1, and gas in the gas injection cavity 6.1 is output to an output pipe or the liquid injection cavity 7.1.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (10)
1. An endoscope structure for the department of gastroenterology comprises an endoscope body and is characterized in that a liquid inlet assembly is arranged on the endoscope body and comprises a cylindrical valve body, a sealing cavity is arranged inside the cylindrical valve body, coaxial air inlets and air outlets are formed in opposite side walls of the sealing cavity, coaxial liquid inlets and liquid outlets are further formed in the opposite side walls of the sealing cavity, the position of the liquid outlets is lower than that of the air outlets, a gas injection assembly is arranged on the air inlets, a liquid injection assembly is connected onto the liquid inlets, and an output pipe is connected onto the air outlets and the liquid outlets;
an upper valve plug assembly and a lower valve plug assembly are movably arranged in the sealing cavity, the upper valve plug assembly comprises a gas transmission channel, the lower valve plug assembly comprises a liquid transmission channel, a driving assembly is arranged on the cylindrical valve body, and the driving assembly can drive the upper valve plug assembly to continuously move and has a first working position and a second working position;
in the first working position, the gas transmission channel is communicated with the gas inlet and the gas outlet so as to inject gas into the output pipe;
from first operating position to second operating position, go up valve plug assembly drive down the motion of valve plug assembly make infusion passageway with inlet and liquid outlet are linked together in order to realize to output tube water injection, just on the second operating position, go up the valve plug assembly and close the air inlet with the gas outlet.
2. The endoscopic structure for department of gastroenterology according to claim 1, wherein the lower valve plug assembly comprises a lower valve plug body and an elastic restoring mechanism that blocks on a movement stroke of movement of the lower valve plug body.
3. The endoscope structure for the department of gastroenterology according to claim 2, wherein the driving assembly includes a driving valve rod, a lower end of the driving valve rod is located inside the sealed chamber and connected with the upper valve plug assembly, and an upper end of the driving valve rod is located outside the sealed chamber and connected with a driving head.
4. The endoscope structure for the department of gastroenterology according to claim 3, wherein a first spring member is sleeved on the driving valve rod, and the first spring member blocks the movement stroke of the downward movement of the driving head.
5. The endoscopic structure for department of gastroenterology according to claim 4, wherein the elastic restoring mechanism comprises a second spring member having a larger elastic coefficient than the first spring member.
6. The endoscope structure for the department of gastroenterology according to claim 1, wherein the gas injection assembly comprises a gas injection chamber connected with the gas inlet, the gas injection chamber is connected with a gas supply device through a gas inlet pipe, and compressed gas is stored in the gas injection chamber.
7. The endoscope structure for the department of gastroenterology according to claim 6, wherein the liquid injection assembly comprises a liquid injection cavity connected with the liquid inlet, a water supply device is connected on the liquid injection cavity, and a pressure infusion structure is arranged in the liquid injection cavity.
8. The endoscope structure for the department of gastroenterology according to claim 7, wherein the pressure infusion mechanism includes a connection pipe that connects the inflation chamber and the infusion chamber.
9. The endoscope structure for the department of gastroenterology according to claim 8, wherein the pressure infusion mechanism comprises a liquid pushing plate slidably disposed in the liquid injection cavity, a liquid pushing rod is connected to the liquid pushing plate, and a driving structure capable of driving the liquid pushing plate to reciprocate along the liquid injection cavity is connected to an end of the liquid pushing rod.
10. The endoscope structure for the department of gastroenterology according to claim 9, wherein a gas pushing plate is slidably disposed in the gas injection cavity, a gas pushing rod is disposed on the gas pushing plate, and an end of the gas pushing rod is connected with the driving structure to drive the gas pushing plate to reciprocate along the gas injection cavity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122422356.2U CN216020958U (en) | 2021-10-08 | 2021-10-08 | Endoscope structure for digestive system department |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122422356.2U CN216020958U (en) | 2021-10-08 | 2021-10-08 | Endoscope structure for digestive system department |
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| Publication Number | Publication Date |
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| CN216020958U true CN216020958U (en) | 2022-03-15 |
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| CN202122422356.2U Expired - Fee Related CN216020958U (en) | 2021-10-08 | 2021-10-08 | Endoscope structure for digestive system department |
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