Disclosure of Invention
The invention mainly aims to provide a flush valve component, aiming at improving the air exhaust effect of an internal pipeline of an invasive pressure sensor.
To achieve the above object, the present invention proposes a flush valve assembly for an invasive pressure sensor including a dripping device and a pressure testing device, the flush valve assembly comprising:
the flushing valve comprises a flushing valve main body, a pressure testing device and a control device, wherein a pipeline channel is formed in the flushing valve main body, a first connector used for being connected with the liquid dropping device and a second connector used for being connected with the pressure testing device are respectively formed at the inlet and the outlet of the pipeline channel in the flushing valve main body, an exhaust end is further arranged on the flushing valve main body, an exhaust hole is formed in the exhaust end, and the exhaust hole is communicated with the pipeline channel; and
the exhaust piece is movably arranged at the exhaust end and moves relative to the exhaust hole to open or seal the exhaust hole.
In an embodiment of the invention, the outer side wall of the first connector is provided with a connecting thread, and the connecting thread is used for connecting the liquid dropping device;
the second connector is formed with spacing platform, the pressure test device cover is located the surface of second connector, the pressure test device butt spacing platform.
In an embodiment of the present invention, the pipeline channel includes a first connection section, a middle section, and a second connection section, which are sequentially connected, the first connection section is formed inside the first connection head, the second connection section is formed inside the second connection head, the exhaust hole is communicated with the middle section, and inner diameters of the first connection section and the second connection section are larger than that of the middle section.
In an embodiment of the invention, the outer surface of the main body of the flush valve is further provided with a reinforcing rib in a protruding manner, and the reinforcing rib is connected with the first connector and the second connector.
In an embodiment of the present invention, the exhaust end is formed with an installation cavity, a cavity wall of the installation cavity is provided with the exhaust hole, at least a part of the exhaust member is telescopically inserted into the installation cavity, and the exhaust member abuts against the cavity wall of the installation cavity and telescopically moves in the installation cavity to open or seal the exhaust hole.
In an embodiment of the invention, the exhaust member comprises a sealing part and a handheld part which are connected, the sealing part is inserted into the installation cavity, the surface of the sealing part is abutted against the side wall of the installation cavity, and the handheld part extends out of the installation cavity.
In an embodiment of the present invention, the flush valve assembly further includes a pressing cap, the pressing cap is sleeved on the exhaust end, the pressing cap is at least partially inserted into the mounting cavity, the pressing cap abuts against the sealing portion to press and cover the sealing portion in the mounting cavity, and the handheld portion penetrates through the pressing cap and extends out of the mounting cavity.
In an embodiment of the invention, the pressing cap is provided with a guide hole, a guide strip is convexly arranged on the side wall of the guide hole, the handheld portion penetrates through the guide hole, and the guide strip guides the handheld portion to move in the guide hole in a telescopic manner.
In an embodiment of the present invention, the flush valve assembly further includes a control handle, the control handle includes a fixing portion, a pressing portion and a console, the pressing portion is connected to the pressing portion and the fixing portion respectively;
the side wall of the exhaust end is also convexly provided with a fixed table, the fixed part is sleeved on the side wall of the exhaust end, the fixed part is arranged between the pressing cap and the fixed table, the side wall of the handheld part is convexly provided with a clamping table, the handheld part penetrates through the console, and the clamping table is abutted to the surface of the console, which is deviated from the fixed table;
and extruding the extruding part, wherein the extruding part deforms to enable the console to move relative to the fixing part, and the console drives the exhaust piece to stretch in the mounting cavity.
The invention also provides an invasive pressure sensor which comprises a liquid dropping device, a pressure testing device and the flushing valve assembly, wherein the liquid dropping device is connected with the first connector, and the pressure testing device is communicated with the second connector.
In the technical scheme of the invention, a first connector and a second connector are respectively formed at the inlet and the outlet of the pipeline channel of the flushing valve main body, the first connector is used for being connected with the liquid dropping device, and the second connector is used for being connected with the pressure testing device. Because the first connector and the second connector are formed at the inlet and the outlet of the pipeline channel of the flushing valve main body, and the first connector, the second connector and the pipeline channel are integrated components, the component of the integrated structure has high strength and is not easy to break. And an exhaust end is also arranged on the flushing valve main body, an exhaust hole of the exhaust end is communicated with the pipeline channel, and an exhaust part is movably arranged on the exhaust end. By connecting the flushing valve component in the invasive pressure sensor, the exhaust part is controlled to move close to or away from the flushing valve body in use, so that the exhaust part seals or opens the exhaust hole, and the flushing and exhausting operation of the gas in the pipeline in the invasive pressure sensor is realized. The flushing valve component in the technical scheme of the invention has the advantages of high strength, strong reliability and convenient connection, and the invasive pressure sensor with the flushing valve component can exhaust the gas in the pipeline completely, thereby effectively solving the problem of difficult exhaust of the invasive pressure sensor in the prior art and improving the exhaust effect of the pipeline in the invasive pressure sensor.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention provides a flush valve assembly 100.
Referring to fig. 1-3, a flush valve assembly 100 in one embodiment of the present invention is for use with an invasive pressure sensor (not shown) including a drip device (not shown) and a pressure testing device (not shown), the flush valve assembly 100 comprising:
a pipeline channel 19 is formed inside the flush valve main body 10, a first connector 11 for connecting with the liquid dropping device and a second connector 13 for connecting with the pressure testing device are respectively formed at an inlet and an outlet of the pipeline channel 19 of the flush valve main body 10, the flush valve main body 10 is further provided with an exhaust end 15, the exhaust end 15 is provided with an exhaust hole 1511, and the exhaust hole 1511 is communicated with the pipeline channel 19; and
the exhaust member 30 is movably arranged at the exhaust end 15, and the exhaust member 30 moves relative to the exhaust hole 1511 to open or seal the exhaust hole 1511.
In the technical scheme of the invention, a first connector 11 and a second connector 13 are respectively formed at an inlet and an outlet of a pipeline channel 19 of the flushing valve main body 10, the first connector 11 is used for being connected with a liquid dropping device, and the second connector 13 is used for being connected with a pressure testing device. Since the first and second connectors 11 and 13 are formed at the inlet and outlet of the pipe passage 19 of the flush valve body 10, that is, the first and second connectors 11 and 13 and the flush valve body 10 forming the pipe passage 19 are an integral member, the integral member has high strength and is not easily broken. The flush valve body 10 is further provided with a discharge end 15, a discharge hole 1511 of the discharge end 15 communicates with the pipe passage 19, and a discharge piece 30 is movably provided at the discharge end 15.
By connecting the flushing valve assembly 100 into the invasive pressure sensor, in use, the exhaust member 30 is controlled to move close to or away from the flushing valve body 10, so that the exhaust member 30 seals or opens the exhaust hole 1511, and the flushing and exhausting operation of the gas in the pipeline of the invasive pressure sensor is realized. The flush valve assembly 100 in the technical scheme of the invention has the advantages of high strength, difficult fracture, high strength, strong reliability and convenient connection. The invasive pressure sensor with the flush valve assembly 100 can exhaust gas in a pipeline completely, effectively solves the problem of difficult exhaust of the invasive pressure sensor in the prior art, and improves the exhaust effect of an internal pipeline of the invasive pressure sensor.
It should be noted that there are many movable arrangements of the venting member 30 in the flush valve assembly 100, which may be in the form of moving toward or away from the flush valve body 10, moving in a telescopic manner relative to the flush valve body 10, or being hinged to the flush valve body 10, which is not listed here.
In one embodiment of the present invention, the venting member 30 is in the form of a telescoping movement relative to the flush valve body 10 to effect venting of the invasive pressure sensor. When the exhaust member 30 moves telescopically relative to the main body 10 of the flush valve, the pressure inside the pipeline of the invasive pressure sensor can be adjusted, so that the flow speed of the pressure test liquid in the pipeline of the invasive pressure sensor is controlled, the liquid inside the pipeline of the invasive pressure sensor is accelerated in flow speed to flush the inner wall of the pipeline, and the purpose of flushing the inner wall of the pipeline is achieved.
It can be understood that the first connector 11, the second connector 13 and the flush valve body in this embodiment are made of plastic and are integrally formed by injection molding. The flush valve body 10 is transparent to allow viewing of the conduit channel 19. Moreover, the first connector 11, the second connector 13 and the flush valve body are integrally formed, so that the structure of the flush valve can be simplified, and compared with the scheme that the connector and the flush valve main body 10 in the existing scheme are of a split structure, the structure can be simplified, the production and assembly processes are reduced, and the production efficiency is improved.
Referring to fig. 1 to 3, in an embodiment of the present invention, an outer side wall of the first connector 11 is provided with a connection thread 111, and the connection thread 111 is used for connecting the dripping device;
the second connector 13 is formed with a limiting table 131, the surface of the second connector 13 is sleeved with a pressure testing device, and the pressure testing device is abutted to the limiting table 131.
In one embodiment of the present invention, the outer sidewall of the first connector 11 is provided with a connection screw 111, and the outlet of the dripping device is connected with the first connector 11 by a screw. In some embodiments, the dropping device includes a puncture outfit (not shown) for puncturing an infusion bag or a bottle stopper (not shown), a flow regulator (not shown) for regulating the dropping speed, and a dropping pipeline (not shown) connecting the puncture outfit, the flow regulator and the first connector 11, wherein the first connector 11 is connected with the dropping pipeline through a screw thread, so as to improve the connection stability.
In some embodiments, the connection thread 111 is wound with a plurality of turns to ensure the connection between the drip line and the first connector 11. An inlet of the pressure testing device is connected with the second connector 13, specifically, the second connector 13 is inserted into the inlet of the pressure testing device, and the second connector 13 and the pressure testing device are fixed by UV glue (shadowless glue).
In some embodiments, the second connector 13 includes a connecting section (not shown) and a fixing section (not shown) connected to the flush valve body 10, and the fixing section is disposed away from the flush valve body 10. Wherein, the external diameter of linkage segment will be greater than the external diameter setting of canned paragraph, so, can form spacing platform 131 between linkage segment and the canned paragraph, in the linkage segment was inserted and is located pressure test device, the spacing platform 131 of pressure test subassembly butt to prevent excessive insertion, in order to damage pressure test device.
Referring to fig. 1 to 3, in an embodiment of the present invention, the pipeline channel 19 includes a first connecting section 191, an intermediate section 193, and a second connecting section 195, which are sequentially communicated with each other, the first connecting section 191 is formed inside the first connector 11, the second connecting section 195 is formed inside the second connector 13, the vent hole 1511 is communicated with the intermediate section 193, and inner diameters of the first connecting section 191 and the second connecting section 195 are larger than that of the intermediate section 193.
In the technical scheme of the embodiment of the invention, in order to facilitate the connection of the flushing valve main body 10 with the dripping device and the pressure testing device, the outer diameters of the first connector 11 and the second connector 13 are larger, so that the manual operation is facilitated. In addition, the inner diameters of the first connecting section 191 formed inside the first connector 11 and the second connecting section 195 formed inside the second connector 13 are both larger than the middle section 193, so that the liquid inside the invasive pressure sensor pipeline can be kept stable in pressure during use, and the flow rate can be conveniently controlled.
Referring to fig. 1 to 3, in an embodiment of the present invention, the outer surface of the flush valve body 10 is further protruded with a rib 17, and the rib 17 connects the second connector 13 and the second connector 13.
In the technical scheme of the embodiment of the invention, the reinforcing ribs 17 are arranged in the extending direction of the pipeline channel, and the reinforcing ribs 17 are in strip-shaped or sheet-shaped structures. By arranging the reinforcing ribs 17 on the first connector 11 and the second connector 13, the situation that a pipeline connecting the first connector 11 and the second connector 13 is small due to the fact that the first connector 11 and the second connector 13 are large in size can be avoided. When the flush valve assembly 100 is connected with a dripping device and a pressure testing device, in order to avoid stress concentration at a small pipeline between the first connector 11 and the second connector 13, the flush valve main body 10 is broken, the reinforcing ribs 17 are arranged to effectively avoid stress concentration, and the situation that the flush valve main body 10 is broken due to stress concentration is avoided. The rib 17 is made of plastic and is integrally formed with the flush valve body 10.
Referring to fig. 1 to 3, in an embodiment of the present invention, the exhaust end 15 is formed with an installation cavity 151, the exhaust hole 1511 is opened on a cavity wall of the installation cavity 151, the exhaust member 30 is at least partially inserted into the installation cavity 151 in a retractable manner, the exhaust member 30 abuts against the cavity wall of the installation cavity 151 and moves in the installation cavity 151 in a retractable manner to open or seal the exhaust hole 1511.
In one embodiment of the present invention, the exhaust end 15 and the flush valve body 10 are integrally formed. An installation cavity 151 with an opening is formed on the end surface of the exhaust end 15, and an exhaust hole 1511 is formed in the bottom of the installation cavity 151. At least part of the exhaust member 30 is inserted into the installation cavity 151 in a telescopic manner and is abutted against the side wall of the installation cavity 151, and the exhaust member 30 moves in the installation cavity 151 in a telescopic manner, so that bubbles in the pipeline of the invasive pressure sensor can be exhausted.
It should be noted that the exhaust member 30 is made of elastic material, but rubber or silica gel, and the shape of the exhaust member 30 inserted into the mounting cavity 151 is matched with the inner diameter of the mounting cavity 151, so that exhaust can be achieved, sealing of the mounting cavity 151 can be ensured, and the exhaust effect is prevented from being affected by the exhaust gas entering the mounting cavity 151.
Referring to fig. 1 to 3, in an embodiment of the present invention, the exhaust member 30 includes a sealing portion 31 and a holding portion 33 connected to each other, the sealing portion 31 is inserted into the mounting cavity 151, a surface of the sealing portion 31 abuts against a sidewall of the mounting cavity 151, and the holding portion 33 protrudes out of the mounting cavity 151.
In one embodiment of the present invention, the sealing portion 31 of the exhaust member 30 is substantially cylindrical, the handle portion 33 is an elongated rod-shaped structure, and the surface of the sealing portion 31 protrudes from the handle portion 33. Sealing portion 31 is cylindrical, conveniently carries out the adaptation with installation cavity 151 to ensure sealed effect, simultaneously, the telescopic motion in sealing portion and the installation cavity 151 can also be made things convenient for to the columniform structure. It can be understood that the sealing portion 31 has a first sealing portion 331 and a second sealing portion 313 connected with each other, the first sealing portion 331 seals the air discharging hole 1511, the second sealing portion 313 abuts against the side wall of the mounting cavity 151, and the holding portion 33 is protruded from the surface of the second sealing portion 313 away from the first sealing portion 331. The hand-held portion 33 is protruded from the surface of the sealing portion, so that the hand-held operation and the operation of the exhaust member 30 are facilitated.
Referring to fig. 1 to 3, in an embodiment of the present invention, the flush valve assembly 100 further includes a pressing cap 50, the pressing cap 50 is sleeved on the exhaust end 15, the pressing cap 50 is at least partially inserted into the mounting cavity 151, the pressing cap 50 abuts against the sealing portion 31 to press the sealing portion into the mounting cavity 151, and the handle portion 33 extends out of the mounting cavity 151 through the pressing cap 50.
In one embodiment of the present invention, the exhaust member 30 is fixed by the pressing cap 50, so that the exhaust member 30 is prevented from being separated from the mounting cavity 151 during the exhaust process. It can be understood that the pressing cap 50 is made of rubber or silica gel, and the shape of the pressing cap 50 is adapted to the wall of the mounting cavity 151, and when the pressing cap 50 is covered on the opening of the mounting cavity 151, at least a portion of the pressing cap 50 extends into the mounting cavity 151 and abuts against the second sealing portion 313. The press cap 50 also partially abuts against the outer side wall of the mounting chamber 151. The pressing cap 50 is provided with a guide hole 51, a guide strip 53 is convexly arranged on the side wall of the guide hole 51, the handheld portion 33 penetrates through the guide hole 51, and the guide strip 53 guides the handheld portion 33 to move in the guide hole 51 in a telescopic mode. The guide hole 51 is arranged to facilitate the hand-held part 33 to pass through the press cap 50, and the guide strip 53 is arranged to prevent the hand-held part 33 and the guide hole 51 from bending, so as to ensure that the hand-held part is kept in a vertical state, thereby facilitating the hand-held operation.
Referring to fig. 1 to 3, in an embodiment of the present invention, the flush valve assembly 100 further includes a control handle 70, the control handle 70 includes a fixing portion 71, a pressing portion 73 and a console 75, the console 75 is opened with a through hole 751 penetrating through the console 75, and the pressing portion 73 is connected to the pressing portion 73 and the fixing portion 71 respectively; a fixing table 153 is further convexly arranged on the side wall of the exhaust end 15, the fixing portion 71 is sleeved on the side wall of the exhaust end 15, the fixing portion 71 is arranged between the pressing cap 50 and the fixing table 153, a clamping table 331 is convexly arranged on the side wall of the handheld portion 33, the handheld portion 33 penetrates through the console 75, and the clamping table 331 abuts against the surface, away from the fixing table 153, of the console 75; the extrusion part 73 is extruded, the extrusion part 73 deforms to enable the console 75 to move relative to the fixing part 71, and the console 75 drives the exhaust part 30 to stretch and retract in the installation cavity 151.
In one embodiment of the present invention, the fixing portion 71, the squeezing portion 73, and the console 75 of the control handle 70 are substantially annularly provided, and the control handle 70 is made of elastic rubber or silicone. So that the pressing portion 73 of the control handle 70 is elastically deformed when an external force is applied to the empty-time squad, thereby allowing the console 75 to move closer to or away from the fixed portion 71. In some embodiments, in order to reduce the difficulty of elastic deformation of the control handle 70, a groove is further formed on the inner wall of the pressing portion 73. In one embodiment, in order to increase the friction force of the control handle 70, anti-slip protrusions are further provided on the outer surface of the control handle 70.
The invention further provides an invasive pressure sensor, which comprises a dropping device, a pressure testing device and a flush valve assembly 100, the specific structure of the flush valve assembly 100 refers to the above embodiments, and since the subject two adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
In the invasive pressure sensor in this embodiment, the dropping device is connected to the first connector 11, and the pressure testing device is communicated to the second connector 13. The invasive pressure sensor in this embodiment further includes a liquid return device (not shown) and a tee joint (not shown), wherein one end of the pressure testing device at the inlet of the liquid return device (not shown) away from the flush valve assembly 100 is connected, the outlet of the liquid return device is connected to the tee joint, and one end of the tee joint is communicated with the blood vessel of the monitored person through the indwelling needle.
The pressure testing device in this embodiment includes a pressure testing chip (not shown), the pressure testing chip collects pressure change of the pressure testing liquid in the pipeline and converts the pressure change into an electrical signal, the signal cable is connected to the pressure testing chip and transmits the pressure change electrical signal output by the pressure testing chip to a monitoring instrument (not shown), and the monitoring instrument converts the pressure change electrical signal into a visible waveform image for medical staff to observe and count.
Further, in some embodiments, the pressure testing apparatus further includes a return-to-zero tee (not shown) disposed between the pressure testing chip and the monitored person, when the invasive pressure sensor is adjusted, the return-to-zero tee is at the highest position, and the return-to-zero tee is leveled with the monitored heart center point by using a level meter, so that the obtained pressure monitoring data is more accurate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.