CN114748732A

CN114748732A - Infusion pipeline structure and infusion management system

Info

Publication number: CN114748732A
Application number: CN202210421216.XA
Authority: CN
Inventors: 汪静; 汪涛; 傅静; 邹树芳; 刘明林; 伍晓琴; 杨婷
Original assignee: Southwest Medical University
Current assignee: Southwest Medical University
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-15

Abstract

The invention discloses a transfusion pipeline structure and a transfusion management system, comprising: the infusion pipeline comprises a Murphy dropper; the pipeline bubble monitoring device is used for monitoring the bubble condition in the infusion pipeline; the cut-off device is used for realizing cut-off of the infusion pipeline; pipeline bubble monitoring devices and the cut-off equipment is all established the transfer line is on the road, just pipeline bubble monitoring devices and the cut-off equipment all sets up the Murphy's formula burette with between the transfer line liquid outlet, bubble that can effectually realize in the transfer line detects and carry out the pipeline and cut, and can effectually avoid the bubble in the pipeline to get into the human body along with the pipeline, bring harm.

Description

Infusion pipeline structure and infusion management system

Technical Field

The invention relates to the technical field of medical instruments, in particular to an infusion pipeline structure and an infusion management system.

Background

Venous transfusion is a nursing activity which is most clinically applied, is a small problem in the whole medical process, brings unnecessary pain to a patient if the venous transfusion is ignored, and can cause air to enter venous blood vessels of a human body and possibly cause air embolism to endanger life if air bubbles exist in a transfusion device pipeline in the transfusion process.

At present, bubbles in a transfusion pipeline are usually made to be in a Murphy dropper in a mode of a hand bullet, but the problems of inconvenient operation and incapability of real-time monitoring exist in the transfusion process.

In view of this, the present application is specifically proposed.

Disclosure of Invention

Aiming at the problem that bubbles in a pipeline cannot be monitored in real time in the prior art, on one hand, the invention also provides an infusion pipeline structure which can effectively realize the real-time monitoring of the bubbles in the infusion pipeline, ensure the safety in the infusion process and further avoid unsafe hidden troubles caused by the bubbles entering blood; on one hand, the invention also provides an infusion management system, which can visually display the infusion state and feed back the infusion condition in time through the structural design of the management system.

The invention is realized by the following technical scheme:

first aspect of the invention

The embodiment of the invention provides a transfusion pipeline structure, which comprises: the infusion pipeline comprises a Murphy type dropper; the pipeline bubble monitoring device is used for monitoring the bubble condition in the infusion pipeline; the shutoff device is used for realizing the shutoff of the infusion pipeline; pipeline bubble monitoring devices with cut-off equipment all overlaps and establishes on the transfer line, just pipeline bubble monitoring devices with cut-off equipment all sets up the Murphy's formula burette with between the transfer line liquid outlet.

In the scheme, the infusion pipeline structure comprises a pipeline bubble monitoring device, a cut-off device and an infusion pipeline, wherein the pipeline bubble monitoring device and the cut-off device are sleeved on the infusion pipeline, so that bubble detection in the infusion pipeline can be effectively realized, the pipeline can be cut off, and the situation that bubbles in the pipeline enter a human body along with the pipeline and cause harm can be effectively avoided; and because conventional infusion pipeline has the Murphy's formula burette usually, the Murphy's formula burette is used for the liquid that the part of temporary storage is treated to carry, can realize to a certain extent the elimination of the bubble between Murphy's formula burette and the liquid source (being the infusion bottle), will the subassembly that dams sets up Murphy's formula burette with between the infusion pipeline liquid outlet, can guarantee to carry out effectual monitoring when this section produces the bubble, further guarantee the security.

Further, the pipeline bubble monitoring device comprises: the inner cavity is used for being sleeved on the pipe wall of the infusion pipeline; a photosensitive reminding component and a light-emitting component for generating a linear light path are arranged on the inner side wall of the inner cavity; the light-emitting piece is obliquely incident relative to the side wall of the inner cavity and is used for being matched with fluid transported in the pipeline to form a first light path or a second light path respectively; the photosensitive reminding component is arranged at the end position of the first light path or the second light path and used for receiving a switching signal of the light path and sending a reminding signal.

Further, the photosensitive assembly comprises a photosensitive piece and a reminding piece used for sending a reminding signal when the light path is switched, and the photosensitive piece is connected with the reminding piece through a power supply circuit; the photosensitive part is used for receiving the optical signal emitted by the luminous part and realizing the communication of the power supply circuit; the photosensitive member has a light receiving point provided at an end position of the first optical path or the second optical path.

Furthermore, the cut-off equipment comprises a cut-off part for realizing cut-off of the pipeline, the pipeline bubble monitoring device is connected with the cut-off part through signals, and the cut-off part is used for receiving the prompt signals to realize cut-off.

Further, the infusion pipeline includes first drain pipe, the one end of first drain pipe with murphy's formula burette is connected, the other end of first drain pipe is used for realizing the infusion with human cooperation, the subassembly cover that dams is established the outside of first drain pipe, pipeline bubble monitoring devices for cut-off equipment is close to murphy's formula burette sets up, cut-off equipment still includes the driving piece, the driving piece is used for the drive the piece that dams to being close to murphy's formula burette's direction motion.

Furthermore, the transfusion pipeline comprises a first liquid outlet pipe and a second liquid outlet pipe, the first liquid outlet pipe is sleeved with the interception component, and the second liquid outlet pipe is provided with an interception valve; the liquid inlet end of the first liquid outlet pipe is connected with the Murphy dropper, the liquid outlet end of the first liquid outlet pipe is used for being matched with a human body to realize infusion, the liquid inlet end of the second liquid outlet pipe is connected with the Murphy dropper through the first liquid outlet pipe, and the liquid outlet end of the second liquid outlet pipe is used for being matched with a liquid storage bottle; the intercepting component sleeved on the first liquid outlet pipe comprises a first pipeline bubble monitoring device and a first intercepting device, the first pipeline bubble monitoring device and the first intercepting device are arranged at intervals along the extending direction of the first liquid outlet pipe, the first pipeline bubble monitoring device is arranged close to the Murphy's dropper relative to the first intercepting device, and the connecting position of the second liquid outlet pipe and the first liquid outlet pipe is positioned between the first pipeline bubble monitoring device and the first intercepting device; the shutoff valve receives a prompt signal of the first pipeline bubble monitoring device and is used for realizing communication between the first liquid outlet pipe and the liquid storage bottle.

Further, the cut-off piece of the first cut-off device comprises a first cut-off unit and a second cut-off unit which are arranged on two sides of the axis of the first liquid outlet pipe, and the distance between the first cut-off unit and the second cut-off unit is variable, so that the first liquid outlet pipe is cut off or communicated; the surface of the first stopping unit or the surface of the second stopping unit is simultaneously contacted with the side wall of the first liquid outlet pipe and the side edge of the second liquid outlet pipe; and the connecting line of the first stopping unit and the second stopping unit is vertical to the axis of the first liquid outlet pipe.

Furthermore, a space exists between the connecting position of the second liquid outlet pipe and the first pipeline bubble monitoring device.

Further, the infusion pipeline still includes into liquid pipe structure, the liquid pipe structure is including entering liquid pipeline, induction system and controlling means, the liquid pipe is used for realizing outside liquid source with the intercommunication of murphy's formula burette, induction system is used for responding to the surplus of outside liquid source, induction system with controlling means signal connection, controlling means is used for receiving the surplus of the outside liquid source of response, and realizes cutting of liquid pipe.

Second aspect of the invention

The embodiment of the invention also provides an infusion management system, which comprises the infusion pipeline structure and a display terminal, wherein the display terminal is used for receiving and displaying the residual signal of the external liquid source sensed by the sensing device and the prompt signal sent by the photosensitive reminding component.

In this scheme, infusion management system includes above-mentioned pipeline structure and display terminal, display terminal is used for receiving and showing the surplus signal and the cue signal of outside liquid source, and when specifically using, medical personnel can directly pass through display terminal detects the signal that corresponds, realizes remote detection, can audio-visual demonstration infusion state, and timely feedback infusion situation has guaranteed timeliness and the convenience that corresponds information acquisition.

Compared with the prior art, the invention has the following advantages and beneficial effects:

the embodiment of the invention also relates to an infusion pipeline structure, and by structural design, the infusion pipeline is provided with a pipeline bubble monitoring device and a cut-off device which correspond to each other, so that the safety of the infusion process can be effectively ensured, the harm caused by liquid entering a human body is avoided, and the cut-off component is arranged between the Murphy type dropper and the liquid outlet of the infusion pipeline, so that the effective monitoring can be ensured when bubbles are generated at the section, and the safety is further ensured;

the embodiment of the invention also relates to an infusion management system, which can visually and effectively display the infusion state and feed back the infusion condition in time through the design of the management system, thereby ensuring the timeliness and convenience of acquiring corresponding information.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic structural diagram of a pipeline bubble monitoring device provided in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a pipeline bubble monitoring device according to another embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a pipeline bubble monitoring device according to another embodiment of the present invention;

FIG. 4 is a partial enlarged view of area A in FIG. 3;

FIG. 5 is a cross-sectional view (with optical path) of a pipeline bubble monitoring apparatus provided by an embodiment of the present invention;

FIG. 6 is a circuit diagram of a pipeline bubble monitoring apparatus provided in an embodiment of the present invention;

FIG. 7 is a circuit diagram of a pipeline bubble monitoring apparatus according to another embodiment of the present invention;

fig. 8 is a schematic structural view of a closure according to an embodiment of the present invention (with a tape holder, with a clamping space open);

fig. 9 is a schematic structural view of a closure member according to an embodiment of the present invention (without a retaining member, with a clamping space closed);

fig. 10 is a schematic structural view of a closure according to another embodiment of the present invention;

FIG. 11 is a schematic structural view (liquid outlet end) of the infusion pipeline according to the embodiment of the present invention;

FIG. 12 is a schematic structural view (liquid outlet end) of an infusion pipeline according to another embodiment of the present invention;

FIG. 13 is a schematic structural view (liquid outlet end) of an infusion pipeline according to another embodiment of the present invention;

FIG. 14 is a schematic structural view (liquid inlet end) of an infusion pipeline according to an embodiment of the present invention;

FIG. 15 is a schematic view of the structure of an infusion tube (inlet end)

FIG. 16 is a flow chart of bubble venting for an infusion line according to an embodiment of the present invention;

FIG. 17 is a flow chart illustrating bubble removal from an infusion line according to another embodiment of the present invention.

The reference numbers in the figures are in order:

100-pipeline bubble monitoring device, 110-luminous component, 111-first light path, 112-second light path, 121-photosensitive component, 122-reminding component, 123-divider resistor, 130-inner cavity, 140-rubber ring, 200-cut-off device, 210-cut-off component, 211-first clamping rod, 212-second clamping rod, 213-rolling shaft, 220-holding component, 230-driving component, 310-first liquid outlet pipe, 320-second liquid outlet pipe, 321-stop valve, 331-liquid inlet pipeline, 332-sensing device, 333-control device, 334-liquid separating bag and 340-Murphy dropper.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be taken as limiting the scope of the invention.

Examples

As shown in fig. 1-7, an embodiment of the present invention provides a pipeline bubble monitoring device 100, including: the inner cavity 130 is used for being sleeved on the transparent pipe wall of the pipeline, and the inner cavity 130 is used for being sleeved on the transparent pipe wall of the pipeline; a photosensitive reminding component and a light emitting component 110 for generating a linear light path are arranged on the inner side wall of the inner cavity 130; the light emitting element 110 is obliquely incident relative to the side wall of the inner cavity 130, and the light emitting element 110 is used for cooperating with the fluid transported in the pipeline to form a first light path 111 or a second light path 112 respectively; the photosensitive reminding component is arranged at the end position of the first light path 111 or the second light path 112, and is used for receiving a switching signal of the light paths and sending a reminding signal.

As a specific embodiment of the pipeline bubble monitoring device 100, as shown in fig. 2, the pipeline bubble monitoring device 100 includes two housings separated from each other, the housings have grooves, and the two grooves cooperate with each other to form an inner cavity 130, so that the pipeline bubble monitoring device 100 can be sleeved on a pipeline.

As another specific embodiment of the pipeline bubble monitoring device 100, as shown in fig. 3-4, the pipeline bubble monitoring device 100 includes two housings, and the two housings are hinged and rotate around the hinged position, so as to realize the matching of the housings and the pipeline.

In order to ensure the tightness of the fit between the inner cavity 130 and the pipeline, a rubber ring 140 may be disposed at an end of the inner cavity 130 to increase the strength of the fit.

It should be noted that, as one skilled in the art would know, the refractive index of liquid is generally 1.325, that of air is 1.000, and that of pvc plastic is 1.460; as shown in fig. 5, based on the principle of refraction of the optical path, when a light beam is incident obliquely with respect to the side wall of the infusion tube, the corresponding refraction angle changes when the medium in the tube changes, and the optical path is switched.

Specifically, the photosensitive reminding component is disposed at an end position of the first light path 111 or the second light path 112, wherein a connecting line between a light receiving point of the photosensitive reminding component and the light emitting member 110 may intersect with an axis of the pipeline, so as to ensure that a distance between the corresponding light receiving point and the light emitting member 110 is the largest, and to ensure that a corresponding light path switching signal can be effectively received.

In the scheme, the pipeline bubble monitoring device 100 is used for monitoring bubbles based on a transparent pipeline, the pipeline bubble monitoring device 100 is provided with an inner cavity 130, the inner cavity 130 is sleeved on the side wall of the pipeline, and the inner cavity 130 is provided with a light emitting part 110 and a photosensitive reminding component for receiving optical signals; the light emitting element 110 is obliquely incident relative to the side wall of the pipeline, when liquid is conveyed in the pipeline, light emitted by the light emitting element 110 is transmitted in a transmission medium according to a light path, when bubbles appear in the pipeline, the medium changes, the corresponding refraction angle of the light emitted by the light emitting element 110 changes correspondingly due to different refraction indexes of different media, so that the end point of the light path emitted by the light emitting element 110 changes according to different media, the photosensitive reminding component is arranged at the position of any one of the end points of the light path, and when the light path changes, the photosensitive reminding component arranged at one of the end points of the light path can sense the corresponding light path change and emit a corresponding prompt signal, based on the principle of the refraction index change caused by the medium change, the bubble monitoring in the pipeline is realized through the switching of the light path, the bubble existence can be monitored at the first time, the monitoring accuracy is guaranteed, and the efficiency is improved.

In some embodiments, the photosensitive assembly includes a photosensitive member 121, a reminder 122 for sending out a reminder signal when the optical path is switched, and the photosensitive member 121 and the reminder 122 are connected through a power supply circuit; the photosensitive member 121 is configured to receive the optical signal emitted by the light emitting member 110, so as to communicate the power supply circuit; the photosensitive member 121 has a light receiving point disposed at an end position of the first light path 111 or the second light path 112.

Specifically, when the medium in the pipe is liquid, the first light path 111 is formed, and when the medium in the pipe is air, the second light path 112 is formed.

Wherein, the photosensitive element 121 is a photo resistor, the photo resistor is disposed at a midpoint of the second light path 112, when the light beam of the light emitting element 110 propagates along the second light path 112 and the light beam irradiates on the photo resistor, as a person skilled in the art should know, when the photo resistor receives light, the resistance of the photo resistor is correspondingly changed, and at this time, a suitable circuit structure is selected, the reminding element 122 is connected in the power supply circuit to realize the connection of the circuit, thereby realizing the occurrence of the reminding signal, specifically, as shown in fig. 6, when the photo resistor does not irradiate with light, the resistance of the photo resistor is large enough, and when the corresponding circuit is relatively open, the reminding element 122, the photo resistor, and the power supply element are connected in series, and when the light irradiates on the photo resistor, the resistance of the photo resistor is decreased to realize the connection of the circuit, thereby forming a channel and realizing the transmission of the prompt signal; as shown in fig. 7, when the photo resistor is not irradiated by light, the resistance of the photo resistor is small enough, and is equivalent to a short circuit, a voltage dividing resistor 123 is arranged, the voltage dividing resistor 123, the photo resistor and a power supply component are connected in series, the reminding component 122 is connected in parallel with the photo resistor, and when the photo resistor is irradiated by light, the resistance of the photo resistor is increased to realize voltage division, so that the reminding component 122 is connected to a circuit to realize the emission of a prompt signal.

Specifically, the prompt signal includes, but is not limited to, an acousto-optic signal.

In some embodiments, a timer may be further disposed in the power supply circuit, and the timer is configured to calculate a duration of the alert signal.

Wherein, under the condition that the cross-sectional area in the pipeline and the flow rate of the fluid are constant and known, the volume of the bubble can be determined through the duration calculated by the timing piece, specifically, the flow rate of the fluid in the pipeline is v, the duration is t, the corresponding length l of the air trap is v t, the cross-sectional area of the pipeline is s, and the volume of the bubble is s l; specifically, further, a comparator and a controller can be further arranged in the power supply pipeline, the comparator can be set through a threshold value, the corresponding threshold value is the maximum value of the volume of the bubbles which can be processed by the human body, and when the volume of the bubbles is larger than the corresponding threshold value, the controller can control the corresponding pipeline to be cut off, so that the safety of the patient is guaranteed.

The embodiment of the invention also provides a cut-off assembly, wherein the cut-off device 200 comprises a cut-off piece 210 for realizing the cut-off of the pipeline, the pipeline bubble monitoring device 100 is in signal connection with the cut-off piece 210, and the cut-off piece 210 is used for receiving the prompt signal to realize the cut-off.

In this scheme, the subassembly that dams includes cut-off equipment 200 and above-mentioned pipeline bubble monitoring devices 100 when the subassembly that dams specifically uses, the existence of bubble can be monitored to the very first time to pipeline bubble monitoring devices 100 to send corresponding cue signal, piece 210 that dams receives the cue signal to the pipeline that realizes dams, has guaranteed the promptness of damming.

As shown in fig. 8 to 9, as a specific embodiment of the cut-off device 200, the cut-off member 210 includes a first clamping rod 211 and a second clamping rod 212 hinged to each other, a hinged position of the first clamping rod 211 and the second clamping rod 212 is located between two ends, a clamping space is formed by the first clamping rod 211 and the second clamping rod 212 located at one side of the hinged position, and the clamping space can be opened or closed when the first clamping rod 211 and the second clamping rod 212 rotate around the hinged position; the first clamping rod 211 and the second clamping rod 212 are located at the other side of the hinged position to form a holding space, a holding part 220 is arranged in the holding space, and the holding part 220 is used for being matched with the first clamping rod 211 and the second clamping rod 212 to open the holding space; when the cut-off member 210 acquires the prompt signal, the holder 220 is disabled, and the first clamping rod 211 and the second clamping rod 212 rotate around the hinge position, so that the clamping space is closed, and throttling is realized.

Specifically, for the first clamping rod 211 and the second clamping rod 212, torsion springs are disposed at the hinged positions thereof, and when the torsion springs are not stressed, the clamping space is closed, so that the flow stopping is realized; when the holder 220 is disposed in the holding space, the torsion spring is stressed to open the clamping space, thereby achieving the flow of the pipeline fluid. Specifically, the structure of the retaining member 220 is not described in detail, as shown in fig. 9, the retaining member 220 is disposed in the retaining space, and the relative positions of the first clamping rod 211 and the second clamping rod 212 on two sides of the retaining space are ensured, when the retaining member 220 is removed, the first clamping rod 211 and the second clamping rod 212 in the retaining space are close to each other under the action of the torsion spring, so that the first clamping rod 211 and the second clamping rod 212 in the retaining space are close to each other under the action of the torsion spring, and the closing of the retaining space is realized, thereby stopping the flow.

It should be noted that, as a person skilled in the art should know, the shutoff assembly includes the pipeline bubble monitoring device 100 and the shutoff device 200, the shutoff device 200 is used for sensing the bubble signal monitored by the pipeline bubble monitoring device 100 to realize the interception, and no matter which of the pipeline bubble monitoring device 100 or the shutoff device 200 is located at the upstream position, the purpose of shutoff can be achieved.

The embodiment of the invention also provides a transfusion pipeline structure which comprises the cut-off component and a transfusion pipeline, wherein the transfusion pipeline comprises a Murphy's dropper 340, and the cut-off component is arranged between the Murphy's dropper 340 and a liquid outlet of the transfusion pipeline.

In the scheme, the infusion pipeline structure comprises the interception component and an infusion pipeline, the interception component is sleeved on the infusion pipeline, so that bubble detection in the infusion pipeline can be effectively realized, the pipeline can be cut off, and the situation that bubbles in the pipeline enter a human body along with the pipeline and are harmful can be effectively avoided; moreover, because a conventional infusion pipeline is generally provided with the Murphy's dropper 340, the Murphy's dropper 340 is used for temporarily storing part of liquid to be delivered, so that the elimination of bubbles between the Murphy's dropper 340 and a liquid source (namely, an infusion bottle) can be realized to a certain extent, and the cut-off assembly is arranged between the Murphy's dropper 340 and the liquid outlet of the infusion pipeline, so that the bubbles generated at the section can be effectively monitored, and the safety is further ensured.

As shown in fig. 10 to 11, as a specific implementation manner of the infusion pipeline, the infusion pipeline includes a first liquid outlet pipe 310, one end of the first liquid outlet pipe 310 is connected to the murphy-type dropper 340, the other end of the first liquid outlet pipe 310 is used for being matched with a human body to realize infusion, the cut-off assembly is sleeved outside the first liquid outlet pipe 310, the pipeline bubble monitoring device 100 is disposed near the murphy-type dropper 340 relative to the cut-off device 200, the cut-off device 200 further includes a driving member 230, and the driving member 230 is used for driving the cut-off member 210 to move in a direction near the murphy-type dropper 340.

As shown in fig. 10, in this embodiment, in an end of each of the first clamping rod 211 and the second clamping rod 212, a roller 213 is disposed, axes of the two rollers 213 are parallel, a gap between outer sidewalls of the two rollers 213 forms the clamping space, and when in use, an axis of the roller 213 is perpendicular to an axis of the first liquid outlet pipe 310; wherein the roller 213 can rotate along its axis.

It should be noted that, the cut-off device 200 further includes a driving member 230, the driving member 230 is configured to drive the cut-off member 210 to move in a direction close to the murphy dropper 340, when the two rollers 213 are close to each other to achieve pipeline cut-off, due to a structural design of the driving member 230, the driving member 230 drives the cut-off member 210 to move in a direction close to the murphy dropper 340, so that a corresponding cut-off position moves in an extending direction of the infusion pipeline, thereby achieving upward movement of the cut-off position, in this embodiment, due to a change of the cut-off position, a liquid column above the cut-off position can change along with the change of the cut-off position, thereby achieving a change of a bubble position.

Specifically, driving piece 230 through coupling assembling with it connects to cut off piece 210, driving piece 230 is driving motor, the connecting piece include with driving motor's axis of rotation is mutually supported's driving medium and connecting piece, the connecting piece is connected simultaneously first holding rod 211 with the tip of second holding rod 212, the driving medium with the connecting piece is connected, realizes the motion that cuts off piece 210.

Specifically, the motion signal of the driving member 230 driving the closure member 210 to move can be controlled by a controller and can also be realized by a structure of a delay circuit, wherein, as a person skilled in the art should know, the main purpose of the driving member 230 driving the closure member 210 to move is to realize the change of the position of the bubble, so the motion signal of the driving member 230 should be after the closure member 210 finishes the closure.

Further, the subassembly that dams sets up murphy's formula burette 340 with between the infusion pipeline liquid outlet, just pipeline bubble monitoring devices 100 with cut-off equipment 200 interval sets up, and is specific, pipeline bubble monitoring devices 100 for cut-off equipment 200 is close to murphy's formula burette 340 sets up to guarantee that the bubble is located the upper reaches of cut-off equipment 200, further avoid the bubble to get into the health.

It should be noted that, as a person skilled in the art should know, the murphy type dropper 340 has a certain volume, and can store a certain amount of liquid, and can eliminate bubbles on the pipeline to a certain extent, in this solution, the distance between the murphy type dropper 340 and the pipeline bubble monitoring device 100 is smaller than the distance between the pipeline bubble monitoring device 100 and the cut-off device 200, when the infusion pipeline structure is used for infusion, because there are gaps among the murphy type dropper 340, the pipeline bubble monitoring device 100 and the cut-off device 200, and the pipeline bubble monitoring device 100 is used for monitoring bubble information in the pipeline and sending out a corresponding prompt signal, the cut-off device 200 is used for receiving the prompt signal and realizing cut-off, and after the cut-off is completed, the driving member 230 drives the cut-off member 210 to move, realizing the position change of the air bubbles; and when the driving member 230 drives the cut-off member 210 to move, the cut-off member 210 can be driven to be continuously close to the pipeline bubble monitoring device 100, so that the movement of bubbles is realized, and because the distance between the Murphy's dropper 340 and the pipeline bubble monitoring device 100 is smaller than the distance between the pipeline bubble monitoring device 100 and the cut-off device 200, when the driving member 230 drives the cut-off member 210 to move, because the distances between the Murphy's dropper 340 and the pipeline bubble monitoring device 100 are different, the bubbles in the pipeline bubble monitoring device 100 can be effectively ensured to be effectively removed from the Murphy's dropper 340, so that the elimination of bubbles in the first liquid outlet pipe 310 is realized, and the bubbles can be effectively prevented from entering a human body.

12-13, in some embodiments, the infusion line includes a first outlet pipe 310 and a second outlet pipe 320, the first outlet pipe 310 is sleeved with the shutoff assembly, and the second outlet pipe 320 is provided with a shutoff valve; the liquid inlet end of the first liquid outlet pipe 310 is connected with the Murphy dropper 340, the liquid outlet end of the first liquid outlet pipe 310 is used for being matched with a human body to realize transfusion, the liquid inlet end of the second liquid outlet pipe 320 is connected with the Murphy dropper 340 through the first liquid outlet pipe 310, and the liquid outlet end of the second liquid outlet pipe 320 is used for being matched with a liquid storage bottle; the cut-off assembly sleeved on the first liquid outlet pipe 310 comprises a first pipeline bubble monitoring device 100 and a first cut-off device 200, the first pipeline bubble monitoring device 100 and the first cut-off device 200 are arranged at intervals along the extending direction of the first liquid outlet pipe 310, the first pipeline bubble monitoring device 100 is arranged close to the murphy dropper 340 relative to the first cut-off device 200, and the connecting position of the second liquid outlet pipe 320 and the first liquid outlet pipe 310 is positioned between the first pipeline bubble monitoring device 100 and the first cut-off device 200; the shutoff valve receives a prompt signal of the first pipeline bubble monitoring device 100, and is used for communicating the first liquid outlet pipe 310 with a liquid storage bottle.

Wherein, the liquid storage bottle also can be a drainage bag structure.

In this embodiment, the infusion pipeline includes a first liquid outlet pipe 310 and a second liquid outlet pipe 320, the first liquid outlet pipe 310 is provided with a cut-off component, the cut-off component arranged on the first liquid outlet pipe 310 includes a first pipeline bubble monitoring device 100 and a first cut-off device 200, the first pipeline bubble monitoring device 100 and the first cut-off device 200 are arranged at intervals, a connection position of the second liquid outlet pipe 320 and the first liquid outlet pipe 310 is located between the first pipeline bubble monitoring device 100 and the first cut-off device 200, when the infusion management is used for carrying out infusion, one end of the first liquid outlet pipe 310 is connected with the murphy type dropper 340, and the other end is used for being matched with a human body to carry out infusion; the second liquid outlet pipe 320 is provided with a stop valve 321, the stop valve 321 is used for realizing communication or closing between the first liquid outlet pipe 310 and a liquid storage bottle, specifically, in a normal infusion process of the first liquid outlet pipe 310, the stop valve 321 is closed, and when the first pipeline bubble monitoring device 100 monitors that bubbles exist in the first liquid outlet pipe 310, the first cutoff device 200 is used for realizing cutoff of the first liquid outlet pipe 310; the stop valve 321 receives the prompt signal, is opened, and realizes communication between part of pipelines in the first liquid outlet pipe 310 and the liquid storage bottle, so that liquid flow is realized, bubbles in the liquid flow along with the liquid flow from the first liquid outlet pipe 310 to the second liquid outlet pipe 320, and the bubbles are removed when the bubbles are transferred to the liquid storage bottle.

Further, as shown in fig. 12, the second liquid outlet pipe 320 is also sleeved with the shutoff assembly, and the shutoff assembly sleeved on the second liquid outlet pipe 320 includes a second pipeline bubble monitoring device 100 and a second shutoff device 200; second pipeline bubble monitoring devices 100 for second cut-off equipment 200 is close to the stock solution bottle sets up, and when using, the accessible second pipeline bubble monitoring devices 100 monitors the relative position of bubble in the second drain pipe 320, thereby the stop valve 321 is opened the back and is passed through second cut-off equipment 200 realizes cutting of second drain pipe 320, avoids the waste of liquid.

Specifically, be directed at first drain pipe and second drain pipe structure, its form that can adopt the extension pipe is connected with the transfer line among the prior art, should know as technical personnel in the field, the play liquid end of transfer line has the liquid outlet usually, and this liquid outlet is used for being connected with the transfusion needle, in this scheme, will first drain pipe and second drain pipe is connected with this liquid outlet as extension pipe structure, and the play liquid position at first drain pipe is connected to the transfusion needle that corresponds adopts this kind of scheme, need not to change the structure of current transfer line, and the discharge of bubble is realized to the mode that directly adopts external pipeline, when realizing the pipeline transformation, the current transfer line of effectual adaptation, improves the suitability.

Wherein, should know as the technical staff in the field, to establishing respectively the subassembly that dams on first drain pipe and the second drain pipe, the accessible sets up the shell mode, constitutes a whole with two subassemblies that dams to realize wholly setting up on the transfer line, keep clean and tidy nature.

The first liquid outlet pipe and the second liquid outlet pipe can integrally form a T shape or a Y shape.

In some specific embodiments, as shown in fig. 16, for a single bubble, after the second pipeline bubble monitoring device 100 monitors a corresponding bubble, a corresponding prompt signal is fed back to the second flow-stopping device 200 to stop the flow of the second liquid outlet pipe 320, and the corresponding bubble is stored in the second liquid outlet pipe 320, and in order to ensure the normal operation of the first liquid outlet pipe 310, the stop valve 321 may be re-closed and the flow-stopping device 200 may be opened to be reset by manual reset or automatic reset.

Specifically, a controller can be arranged aiming at a specific reset mode, the controller can receive a prompt signal sent by the first pipeline bubble monitoring device and a prompt signal sent by the second pipeline bubble monitoring device and send out a corresponding operation signal, wherein the holding piece is an active telescopic piece, the holding piece and the stop valve are in signal connection with the controller, after the controller receives the prompt signal sent by the first pipeline bubble monitoring device, the holding piece is controlled to move, the first liquid outlet pipe is cut off, the stop valve is opened, at the moment, liquid in the infusion pipeline moves along the second liquid outlet pipe, and after bubbles are sent out by the second pipeline bubble monitoring device and send out the corresponding prompt signal, the controller receives the corresponding prompt signal and controls the stop valve to close, and control the motion of holding piece realizes the circulation of first drain pipe to realize the infusion, through concrete structural design, guaranteed the security of infusion process on the one hand, avoid gaseous entering human body to bring harm, on the other hand can realize infusion control, avoids the second drain pipe to communicate the waste that leads to the liquid medicine always.

In some specific embodiments, for the case of continuous bubbles, delayed sending of the bubble detection signal may be implemented by a circuit provided with a controller and a delay circuit; as shown in fig. 17, after the second pipeline bubble monitoring device 100 monitors bubbles, a corresponding prompt signal is sent to the second cut-off device 200 through a delay circuit to implement cut-off of the second liquid outlet pipe 320, and at the same time, the prompt signal is sent to the first cut-off device, and the first cut-off device is turned on to implement infusion.

It should be noted that, in this embodiment, for the condition of continuous bubbles, the first pipeline bubble monitoring device continuously monitors the condition of bubbles in the first liquid outlet pipe, and sends a first prompt signal, where the first control signal is used to implement closing of the first cut-off device and closing of the cut-off valve; when the second pipeline bubble monitoring device continuously monitors the bubble condition in the second liquid outlet pipe, a second prompt signal is sent out, and the second control signal is used for realizing the closing of the second cut-off device and the closing of the first cut-off device; the corresponding second prompting signal is directly sent to the controller, the controller carries out time delay sending through a time delay circuit, in the sending process, the controller always receives the first prompting signal and judges the relation between the time interval of the two received first prompting signals and the delay time of the time delay circuit, and when the delay interval is larger than the time interval of the two first prompting signals, the time delay circuit directly sends the corresponding signal; when the delay interval is smaller than the time interval of two times of the first prompting signals, the controller controls the time delay circuit to count again.

It should be noted that the delay market for the corresponding delay circuit should be determined according to the flow rate and the relative distance between the first pipeline bubble monitoring device and the second pipeline bubble monitoring device.

In order to avoid the movement of the bubbles after the second liquid outlet pipe 320 is stopped after the second pipeline bubble monitoring device 100 monitors the bubbles, it is preferable that the stop valve 321 is disposed at a position where the second liquid outlet pipe 320 is close to the connection position connected to the first liquid outlet pipe 310 and at an upstream of the corresponding cut-off assembly with respect to a relative position of the stop valve 321.

It should be noted that, for the interception components sleeved on the first liquid outlet pipe 310 and the second liquid outlet pipe 320, the corresponding prompt signal sent by the pipeline bubble monitoring device 100 corresponding thereto should satisfy the independent coding rule, so as to avoid the mutual influence between the two interception devices 200.

It should be noted that the liquid storage bottle is used for temporarily storing liquid, and the liquid storage bottle should ensure the storage requirement for different liquids.

In some embodiments, the closure member 210 of the first cut-off device 200 includes a first cut-off unit and a second cut-off unit disposed at both sides of the axis of the first outlet pipe 310, and the distance between the first cut-off unit and the second cut-off unit is variable, so that the first outlet pipe 310 is cut off or communicated; the surface of the first stopping unit or the second stopping unit is simultaneously contacted with the side wall of the first outlet pipe 310 and the side edge of the second outlet pipe 320; and the connection line of the first stopping unit and the second stopping unit is perpendicular to the axis of the first liquid outlet pipe 310.

In this embodiment, the first stopping unit and the second stopping unit are used for cooperating with each other to stop the first liquid outlet pipe 310, specifically, the corresponding stopping unit may be a stopping rod or a corresponding roller 213, which can stop the first liquid outlet pipe 310.

As shown in fig. 13, wherein the surface of the first or second cut-off unit is in contact with the sidewall of the first outlet pipe 310 and the side edge of the second outlet pipe 320 at the same time; the unit setting that dams that corresponds promptly is in first drain pipe 310 with the hookup location of second drain pipe 320, when adopting to cut off the unit and damps, guarantee in the handing-over position of two drain pipes with the space of first drain pipe 310 near the position of going out the liquid end is enough little, avoids the bubble to get into this position in the transfer process, and inconvenient bubble is discharged.

The connection line of the first cut-off unit and the second cut-off unit is perpendicular to the axis of the first liquid outlet pipe 310, so that the cut-off effect is guaranteed, and meanwhile, the space between the connection position of the two liquid outlet pipes and the position, close to the liquid outlet end, of the first liquid outlet pipe 310 is further small enough, and the phenomenon that bubbles enter the position in the transfer process and are inconvenient to discharge is avoided.

In some embodiments, the connection location of second effluent pipe 320 to first effluent pipe 310 is spaced apart from first pipeline bubble monitoring apparatus 100.

Through the arrangement of the distance, a certain moving path is ensured to exist when the first pipeline bubble monitoring device 100 monitors bubbles, so that the bubbles can be conveniently discharged, a certain reaction time is provided, and the bubbles are prevented from escaping.

As shown in fig. 14 to fig. 15, in some embodiments, the infusion tube further includes a liquid inlet tube structure, the liquid inlet tube structure includes a liquid inlet tube 331, a sensing device 332, and a control device 333, the liquid inlet tube 331 is used to communicate the external liquid source with the murphy dropper 340, the sensing device 332 is used to sense a residual amount of the external liquid source, the sensing device 332 is in signal connection with the control device 333, and the control device 333 is used to receive the sensed residual amount of the external liquid source and cut off the liquid inlet tube 331.

The sensing device 332 is configured to sense a remaining amount of the external liquid source, and the sensing device can measure a liquid level of the liquid through gravity measurement or by setting a monitoring device at a bottom of the corresponding external liquid source, so as to implement the remaining amount monitoring.

Specifically, to the monitoring structure on going into the liquid pipeline, it also can constitute wholly through the mode that sets up the casing, guarantees clean and tidy nature and convenience of use.

Further, regarding the liquid inlet pipe structure, in the prior art, there is a liquid inlet pipe directly used for infusion, or a liquid separating belt may be used for infusion, as a person skilled in the art should know, the sensing device 332 is used for sensing the remaining amount of an external liquid source, and the main purpose of the sensing device is to prevent the pipe from still being in a communicating device after the liquid is completely infused, which leads to the blood backflow of the human body, so that, regarding different liquid inlet pipe structures, the sensing device 332 is used for directly sensing the remaining amount of the liquid in the liquid collecting container closest to the human body.

In the prior art, there are multiple bottles of liquid infusion, the corresponding liquid inlet tube structure is usually a Y-shaped tube, two branches of which are connected to different infusion bottles, and the lower end of which is connected to a liquid separation bag 334, and there will usually be liquid in both the liquid separation bag 334 and the two infusion bottles; specifically, the sensing device 332 is used for sensing the liquid in the liquid distribution bag 334, the number of the control devices 333 is two, the two control devices 333 are respectively arranged on a branch connected with two infusion bottles, when the sensing device 332 senses that the remaining amount of the liquid in the liquid distribution bag 334 reaches a first threshold value, the control device 333 on one branch is opened, the liquid is injected into the liquid distribution bag 334 from one infusion bottle, and when the sensing device 332 senses that the remaining amount of the liquid in the liquid distribution bag 334 reaches a second threshold value, the control device 333 which is already opened is closed and the control device 333 on the other branch is opened, the liquid is injected into the liquid distribution bag 334 from the other infusion bottle, and the liquid is injected.

It should be noted that the first threshold should be larger than the second threshold, so as to avoid mutual influence.

Specifically, the control device 333 may be turned on or off by setting a corresponding controller, and a specific implementation manner is a conventional technical means in the art and is not described herein again.

The embodiment of the invention also provides an infusion management system, which comprises the infusion pipeline structure and a display terminal, wherein the display terminal is used for receiving and displaying the residual signal of the external liquid source sensed by the sensing device 332 and the prompt signal sent by the photosensitive reminding component.

In this embodiment, the display terminal includes, but is not limited to, a fixed terminal such as a computer, or a mobile terminal such as a watch and a mobile phone.

As those skilled in the art will appreciate, there are usually more than one infusion operation performed in a hospital, and specific cases of a plurality of infusion operations may be displayed for a corresponding display terminal. The infusion state includes, but is not limited to, a bubble state, a flow state of an infusion pipeline, a liquid residual amount state, and the like.

Wherein, display terminal still includes the timing module, the timing module is used for receiving the cover and establishes first bubble monitoring devices on the first drain pipe begins to time, and the cover is received and establish second bubble monitoring devices on the second drain pipe stops the timing, and is concrete, display terminal still includes reminding device, works as when the timing signal of timing module is greater than the default, can send cue signal, the suggestion needs manual flowing back, should know as the technical staff in the field, and the bubble in the infusion pipeline exists the condition on the pipe wall of adhering to, can not discharge along the flow of liquid, through the structural design of timing module and reminding module, the condition of monitoring bubble that can be effectual, avoids the adhering to of bubble to lead to the waste of pharmaceutical industry.

Since the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. An infusion pipeline structure, comprising:

the infusion pipeline comprises a Murphy type dropper;

the intercepting assembly comprises a pipeline bubble monitoring device and an intercepting device, and the pipeline bubble monitoring device is used for monitoring the bubble condition in the infusion pipeline;

the cut-off device is used for realizing cut-off of the infusion pipeline;

pipeline bubble monitoring devices and cut-off equipment all overlaps and is established on the transfer line, just pipeline bubble monitoring devices and cut-off equipment all sets up the Murphy's formula burette with between the transfer line liquid outlet.

2. The infusion liquid pipeline structure according to claim 1, wherein the pipeline bubble monitoring device comprises:

the inner cavity is used for being sleeved on the pipe wall of the infusion pipeline;

a photosensitive reminding component and a light-emitting component for generating a linear light path are arranged on the inner side wall of the inner cavity;

the light-emitting piece is obliquely incident relative to the side wall of the inner cavity and is used for being matched with fluid transported in the pipeline to form a first light path or a second light path respectively;

the photosensitive reminding component is arranged at the end position of the first light path or the second light path and used for receiving a switching signal of the light path and sending a reminding signal.

3. The infusion pipeline structure according to claim 2, wherein the photosensitive assembly comprises a photosensitive member and a reminding member for sending a reminding signal when the light path is switched, and the photosensitive member is connected with the reminding member through a power supply circuit; the photosensitive part is used for receiving the optical signal emitted by the luminous part and realizing the communication of the power supply circuit; the photosensitive member has a light receiving point provided at an end position of the first optical path or the second optical path.

4. The infusion solution pipeline structure according to claim 3, wherein the cut-off device comprises a cut-off member for achieving cut-off of the pipeline, the pipeline bubble monitoring device is in signal connection with the cut-off member, and the cut-off member is used for receiving the prompt signal to achieve cut-off.

5. The infusion pipeline structure according to claim 4, wherein the infusion pipeline comprises a first liquid outlet pipe, one end of the first liquid outlet pipe is connected with the Murphy's dropper, the other end of the first liquid outlet pipe is used for being matched with a human body to realize infusion, the intercepting component is sleeved outside the first liquid outlet pipe, the pipeline bubble monitoring device is close to the Murphy's dropper for the intercepting device, the intercepting device further comprises a driving piece, and the driving piece is used for driving the intercepting piece to move towards the direction close to the Murphy's dropper.

6. The infusion pipeline structure according to claim 4, wherein the infusion pipeline comprises a first liquid outlet pipe and a second liquid outlet pipe, the shutoff assembly is sleeved on each of the first liquid outlet pipe and the second liquid outlet pipe, and a shutoff valve is arranged on each of the second liquid outlet pipe; the liquid inlet end of the first liquid outlet pipe is connected with the Murphy dropper, and the liquid inlet end of the second liquid outlet pipe is connected with the Murphy dropper through the first liquid outlet pipe; the intercepting component sleeved on the first liquid outlet pipe comprises a first pipeline bubble monitoring device and a first intercepting device which are arranged at intervals along the extending direction of the first liquid outlet pipe, the first pipeline bubble monitoring device is arranged close to the Murphy type dropper relative to the first intercepting device, and the connecting position of the second liquid outlet pipe and the first liquid outlet pipe is positioned between the first pipeline bubble monitoring device and the first intercepting device; the shutoff valve receives a prompt signal of the first pipeline bubble monitoring device and is used for communicating the first liquid outlet pipe with a liquid storage bottle; the interception component sleeved on the second liquid outlet pipe comprises a second pipeline bubble monitoring device and a second interception device; the second pipeline bubble monitoring device is arranged close to the liquid storage bottle relative to the second cut-off device.

7. The infusion pipeline structure according to claim 6, wherein the cut-off piece of the first cut-off device comprises a first cut-off unit and a second cut-off unit which are arranged on two sides of the axis of the first liquid outlet pipe, and the distance between the first cut-off unit and the second cut-off unit is variable, so that the cut-off or communication of the first liquid outlet pipe is realized; the surface of the first stopping unit or the surface of the second stopping unit is simultaneously contacted with the side wall of the first liquid outlet pipe and the side edge of the second liquid outlet pipe; and the connecting line of the first stopping unit and the second stopping unit is vertical to the axis of the first liquid outlet pipe.

8. The infusion tube structure of claim 6, wherein a connection location of the second outlet tube and the first outlet tube is spaced from the first tube bubble monitoring device.

9. The infusion tube structure according to any one of claims 1 to 8, wherein the infusion tube further comprises a liquid inlet tube structure, the liquid inlet tube structure comprises a liquid inlet tube, a sensing device and a control device, the liquid inlet tube is used for communicating an external liquid source with the Murphy's dropper, the sensing device is used for sensing the residual amount of the external liquid source, the sensing device is in signal connection with the control device, and the control device is used for receiving the sensed residual amount of the external liquid source and achieving the cutoff of the liquid inlet tube.

10. An infusion management system, comprising the infusion pipeline structure of claim 9, and further comprising a display terminal, wherein the display terminal is configured to receive and display the residual signal of the external liquid source sensed by the sensing device and the prompt signal sent by the photosensitive prompt component.