CN219307567U - Manual medicament replenishing device and analgesic pump system with same - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to a medicament manual supply device and an analgesic pump system with the same. The manual medicine replenishing device comprises a cavity, a piston, a push rod, a liquid inlet pipe and a liquid outlet pipe, wherein a liquid storage area is limited in the cavity, the piston is hermetically sealed in the cavity, one end of the push rod is connected with the piston, the other end of the push rod extends out of the cavity, one ends of the liquid inlet pipe and the liquid outlet pipe respectively penetrate through the cavity and are connected and communicated with the liquid storage area, a one-way valve is communicated with the liquid inlet pipe, and the push rod is used for pushing the piston to squeeze the liquid storage area under the action of external force. The advantages are that: the structure design is reasonable, the pressurization and the replenishment of the medicament can be realized, and the operation is simple and convenient.

Description

Manual medicament replenishing device and analgesic pump system with same

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a medicament manual supply device and an analgesic pump system with the same.

Background

The most common way to relieve pain is to inject anesthetic into patients, but only a way to relieve pain for a short time and continuously inject the anesthetic for a long time is more and more important to medical science. The analgesic pump is a device for continuously and stably delivering anesthetic, the device is used for injecting the drug into a patient, and the patient can perform analgesic management by himself through the adjusting device and the additional replenishing device, so that the analgesic pump is simple, efficient and safe.

However, most of the current analgesic pump regulating systems only have a flow regulating device, and have no manual replenishment device, when patients feel sudden pain or pain is aggravated in the administration process, the flow regulating device cannot meet the requirements of the patients, and at the moment, an additional drug adding device is needed to be supplemented, so that the administration flow is rapidly increased, the severe pain of the patients is relieved, and the stable analgesic management target is achieved.

Such as: in the patents CN01254999, CN200920352018, CN201521020997, CN201721591196, etc., there are shown infusion pumps with flow-adjustable functions, most of which are electronically controlled, which have high cost, easy damage and high maintenance cost, and few of which are purely mechanical, but have no manual replenishment device, and can not alleviate sudden pain of patients. Patent CN01254999 proposes an infusion pump with flow regulation, which provides functions of infusion, automatic alarm and the like in an electronic control manner, and has the advantages of simple operation, visualization, diversified specifications and the like. Patent CN200920352018 proposes a circuit controlled infusion pump, improving the infusion accuracy; the pulse degree of the infusion liquid is reduced, and the linear smoothness is improved; noise generated during operation is reduced; the volume is small, and the portable device is portable; the redundancy technology is adopted, the pressure sensor, the bubble sensor, the magnetic control switch and the contact detection switch are configured, the running state of the system is monitored in real time, and the safety is improved. Patent CN201822226132 proposes a medicine box for controlling analgesia, which has a simple and compact structure, and through cam rotation, the opening and closing of two flashboards and the pushing of a pressing block are respectively completed to realize one working cycle of sucking liquid and extruding liquid of a pump pipe, so that the transfusion amount in unit time can be regulated through the working cycle times in unit time and the stroke of the pressing block, the space occupied by the medicine box is reduced, the storage amount of medicine liquid is increased, and the micro and long-time transfusion requirement of patients is ensured.

Among the above patents, patent CN01254999 and patent CN200920352018 use a circuit to control the mechanical structure to regulate the infusion speed, and have no manual replenishment device, and patent CN201822226132 uses a mechanical structure to regulate, and have no manual replenishment device.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a medical self-service terminal, which effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a artifical replenishing device of medicament, includes cavity, piston, push rod, feed liquor pipe and drain pipe, is limited with the liquid storage district in the aforesaid cavity, and above-mentioned piston seals and encapsulates in above-mentioned cavity, and above-mentioned push rod one end is connected with above-mentioned piston, and its other end stretches out outside the aforesaid cavity, and above-mentioned feed liquor pipe and drain pipe's one end is passed above-mentioned cavity respectively and is connected and communicate with above-mentioned liquid storage district, and the intercommunication is equipped with the check valve on the feed liquor pipe, and above-mentioned push rod is used for pushing the above-mentioned piston under the exogenic action and extrudes above-mentioned liquid storage district.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the cavity is a pipe member with one end open, the push rod is connected with one end of the piston and extends out from one end open of the cavity, and one ends of the liquid inlet pipe and the liquid outlet pipe respectively penetrate through the other end of the cavity.

Further, a flexible bag body is arranged in the cavity, the bag body is positioned at the other end of the cavity, one ends of the liquid inlet pipe and the liquid outlet pipe are respectively connected and communicated with the bag body, and the bag body forms the liquid storage area.

Further, the device also comprises a shell, wherein the cavity is arranged in the shell, the push rod extends out of one end of the shell, and the liquid inlet pipe and the liquid outlet pipe penetrate through the other end of the shell.

Further, the housing is provided with an assembly groove, and the cavity is embedded in the assembly groove.

The beneficial effects are that: reasonable in structural design, can realize the pressurized replenishment of medicament, and is simple and convenient to operate

There is also provided an analgesic pump system, characterized by: the device comprises an analgesic pump, a perfusion tube, a flow regulator, an anesthetic catheter and the manual medicament replenishing device according to any one of claims, wherein one end of the perfusion tube is connected and communicated with a liquid outlet end of the analgesic pump, the other end of the perfusion tube is connected and communicated with the anesthetic catheter, two branch tube sections which are connected in parallel are arranged in the middle section of the perfusion tube, the flow regulator is arranged on one of the branch tube sections, and the liquid inlet tube and the liquid outlet tube are connected in series on the other branch tube section.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, a medicine filter is provided at one end of the infusion tube and at the other branch tube section.

Further, a spigot clamp is arranged at one end of the infusion tube.

Further, the two ends of the two branch pipe sections are respectively connected with a flow divider.

Further, the flow rate adjusting device comprises a housing, a knob and a moving body, wherein the surface of the housing is provided with an inlet and an outlet for a transfusion tube to pass through, the knob is rotatably assembled in the housing and is partially exposed outside the housing, one end of the knob extending into the housing is provided with a screw rod, one end of the moving body is provided with a squeezing part, the other end is provided with a screw hole matched with the screw rod, the screw rod is screwed in the screw hole, the moving body is slidably connected with the housing and can slide along the long axis of the screw rod, the transfusion tube is positioned between the squeezing part and the inner wall of the housing, the knob is used for rotating under the action of external force and driving the screw rod to rotate, and driving the moving body to linearly move along the long axis direction of the screw rod, so that the squeezing part moves to squeeze the transfusion tube or separate

The beneficial effects are that: the mechanical regulation of the infusion pump is realized by using the mechanical structure and reasonably operating the device, and the sudden pain is relieved by the manual replenishment device, so that the use cost of the product is greatly reduced while the accurate regulation of the flow is ensured.

Drawings

FIG. 1 is a schematic view of an embodiment of a manual drug supply device according to the present utility model;

FIG. 2 is a schematic view of another embodiment of a manual drug supply device according to the present utility model;

FIG. 3 is a schematic structural view of the analgesic pump system of the present utility model;

fig. 4 is a structural cross-sectional view of a flow rate adjusting device in the analgesic pump system of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a cavity; 2. a piston; 3. a push rod; 4. a liquid inlet pipe; 5. a liquid outlet pipe; 6. a one-way valve; 7. a bladder; 8. a housing; 9. an analgesic pump; 10. a flow rate adjusting device; 20. an anesthetic tube; 30. a branch pipe section; 101. a housing; 102. a knob; 103. a moving body; 104. a screw; 301. a medicament filter; 302. a spigot clamp; 303. a shunt; 1031. and an extrusion part.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Example 1

As shown in fig. 1, the manual agent replenishing device of this embodiment includes a cavity 1, a piston 2, a push rod 3, a liquid inlet pipe 4 and a liquid outlet pipe 5, wherein a liquid storage area is defined in the cavity 1, the piston 2 is sealed in the cavity 1, one end of the push rod 3 is connected with the piston 2, the other end extends out of the cavity 1, one ends of the liquid inlet pipe 4 and the liquid outlet pipe 5 respectively pass through the cavity 1 and are connected and communicated with the liquid storage area, a one-way valve 6 is arranged on the liquid inlet pipe 4 in a communicating manner, and the push rod 3 is used for pushing the piston 2 to squeeze the liquid storage area under the action of external force.

The use process is as follows:

in normal use, the liquid inlet pipe 4 and the liquid outlet pipe 5 are respectively connected in series to the flow pipeline of a medicament, when the medicament is required to be fed manually, the push rod 3 is driven to push the piston 2 to the liquid storage area by applying a pushing force to the push rod 3, so that the medicament in the liquid storage area is pressurized, the medicament is rapidly discharged from the liquid outlet pipe 5 in a large flow manner, in the process, the medicament can not flow back through the liquid inlet pipe 4 under the pushing effect due to the design of the one-way valve 6, the whole feeding device is reasonable in structural design, the pressurized feeding of the medicament can be realized, and the operation is simple and convenient.

As a preferred embodiment, the cavity 1 is a pipe member with one end opened, the push rod 3 is connected to one end of the piston 2 and extends out from the one end opened of the cavity 1, and one ends of the liquid inlet pipe 4 and the liquid outlet pipe 5 respectively pass through the other end of the cavity 1.

In the above embodiment, the cavity 1 adopts a conventional pipe member, the piston 2 is in sealing contact with the inner wall of the cavity 1, the closed space between the cavity 1 and the piston 2 forms a liquid storage area, the whole structure is similar to that of an injector, the structural design is simpler and more reasonable, and the operation is more convenient.

As a preferred embodiment, as shown in fig. 2, a flexible bag 7 is provided in the cavity 1, the bag 7 is located at the other end of the cavity 1, one ends of the liquid inlet pipe 4 and the liquid outlet pipe 5 are respectively connected and communicated with the bag 7, and the bag 7 forms the liquid storage area.

In the above embodiment, the capsule 7 is designed in the cavity 1, the capsule 7 is communicated with the liquid inlet pipe 4 and the liquid outlet pipe 5, when the push rod 3 pushes the piston 2 to act on the capsule 7, the piston 2 extrudes the capsule 7, so that the medicament in the capsule 7 is pressurized, the medicament can not directly flow through the cavity 1 in the whole process, the sealing performance is better, the liquid leakage phenomenon at the joint of the cavity 1 and the piston 2 can not occur, and the pushing and filling effects are good.

As a preferred embodiment, the device further comprises a housing 8, wherein the cavity 1 is installed in the housing 8, the push rod 3 extends out of one end of the housing 8, and the liquid inlet pipe 4 and the liquid outlet pipe 5 penetrate through the other end of the housing 8.

In the above embodiment, the whole manual medicine replenishing device is provided with the shell 8, the core component is arranged in the shell 8, the whole structural design is better and more attractive, and the shell 8 is held during operation, so that the manual medicine replenishing device is very convenient.

The shell 8 adopts a structure of assembling two sub-shells, and has simple production process.

In this embodiment, an assembly groove is provided in the housing 8, and the cavity 1 is fitted in the assembly groove, so that the cavity 1 is stably installed and used.

Example 2

As shown in fig. 3, the analgesic pump system of this embodiment includes an analgesic pump 9, an infusion tube (denoted by a in the figure), a flow rate adjusting device 10, an anesthetic tube 20, and a manual drug supply device (denoted by b in the figure) as in embodiment 1, wherein one end of the infusion tube is connected to and communicates with the liquid outlet end of the analgesic pump 9, the other end is connected to and communicates with the anesthetic tube 20, two parallel branch tube sections 30 are provided in the middle section of the infusion tube, the flow rate adjusting device 10 is provided in one of the branch tube sections 30, and the liquid inlet tube 4 and the liquid outlet tube 5 are connected in series to the other branch tube section 30.

The use process is as follows:

during normal use, the analgesic pump 9 pumps the medicament into the infusion tube, one part of the medicament flows through the infusion tube main tube to the anesthetic tube 20 to enter a human body, the other part of the medicament flows into the branch tube section 30 and flows through the medicament manual supplementing device, two paths of medicament flow paths enter the human body after converging at the other end of the infusion tube, the medicament flow entering the human body can be regulated through the flow regulating device 10 in the whole process, the better analgesic effect is achieved, and when a patient is in a pain aggravated condition, the medicament flow and the flow velocity in the branch tube section 30 can be accelerated through the medicament manual supplementing device, namely the medicament amount entering the human body in unit time of the whole infusion tube is accelerated, so that the purposes of additional medicament injection, sudden pain relief and better meeting of pain management requirements of patients are achieved. Specifically, push rod 3 of the artifical replenishing device of medicament promotes piston 2 and removes along cavity 1 under the exogenic action to the medicament that flows the liquid storage district pressurizes the propelling movement, thereby make the medicament flowmeter velocity of flow in branch pipe section 30 promote, make finally get into the human medicament volume increase in the short time, play better analgesic effect, the mechanical regulation of infusion pump is realized through using mechanical structure and reasonable operation setting to the entire system, and have artifical replenishing device to alleviate burst pain, guaranteed the accurate regulation of flow and reduced the use cost of product by a wide margin.

In this embodiment, the analgesic pump 9 and the anesthetic tube 20 belong to the prior art products, and specific usage modes and types thereof are flexibly and reasonably selected according to actual usage requirements, and are not described herein.

What needs to be stated is: the anesthetic tube 20 is connected to a standard needle for rapid infusion into a vein.

In a preferred embodiment, a medicine filter 301 is provided at one end of the infusion tube and the other branch tube 30.

In the above embodiment, the medicine filter 301 can filter harmful impurities in the medicine liquid to ensure the safety of the medicine.

The medicament filter 301 is a conventional filtering structure on an infusion tube, and will not be described herein.

In a preferred embodiment, a stopper 302 is provided at one end of the infusion tube.

In the above embodiment, the stopper 302 can urgently stop the flow of the medical fluid in the infusion tube so as to cope with an emergency.

The spigot 302 is a conventional filtering structure on an infusion tube, and will not be described in detail herein.

As a preferred embodiment, a splitter 303 is connected to both ends of the two branch pipe sections 30.

In the above embodiment, the two shunts 303 are designed to guide the medicines in the front and rear sections of the infusion tube to perform good shunting and confluence, and in general, the shunts 303 are commonly used "Y" shunts, so as to achieve effective shunting and confluence of two paths.

The diverter 303 is a conventional filtering structure on the infusion tube, and will not be described herein.

As a preferred embodiment, as shown in fig. 4, the flow regulator 10 includes a housing 101, a knob 102, and a moving body 103, wherein the housing 101 has an inlet and an outlet through which a fluid line passes, the knob 102 is rotatably mounted in the housing 101 and partially exposed outside the housing 101, a screw 104 is mounted at one end of the knob 102 extending into the housing 101, a pressing portion 1031 is provided at one end of the moving body 103, a screw hole adapted to the screw 104 is provided at the other end, the screw 104 is screwed into the screw hole, the moving body 103 is slidably connected to the housing 101 and is slidable along a longitudinal direction of the screw 104, the fluid line is located between the pressing portion 1031 and an inner wall of the housing 101, the knob 102 is configured to rotate under an external force and to drive the screw 104 to rotate, and the moving body 103 is driven to linearly move along a longitudinal direction of the screw 104, so that the pressing portion 1031 is moved to press the fluid line or separate.

In the above embodiment, when the flow of the infusion tube needs to be reduced, the knob 102 is rotated by an external force, and when the knob 102 is rotated, the screw 104 is driven to rotate, and since the moving body 103 and the screw 104 are in threaded connection and the moving body 103 is in linear sliding connection with the housing 101, the moving body 103 is limited not to rotate along with the screw 104, and only linear movement relative to the screw 104 occurs, so that in the rotation process of the screw 104, the moving body 103 is forced to linearly move towards the direction of the infusion tube, so that the extrusion part 1031 at one end of the moving body is driven to extrude the infusion tube onto the inner wall of the housing 101, and the extrusion degree of the infusion tube is different along with different screwing degrees, thereby achieving the purpose of 'multi-gear' adjusting the flow of the infusion tube.

In this embodiment, the linear sliding between the moving body 103 and the housing 101 adopts a conventional mechanical sliding connection manner, specifically, a sliding groove structure corresponding to two sides of the moving body 103 may be disposed in the housing 101, and two sides of one end of the moving body 103 are respectively disposed on sliding blocks in sliding fit with the sliding grooves.

In the above embodiment, the cross section of the pressing portion 1031 is designed as a triangle, and its tip near one end of the infusion tube is a triangle, and the tip is rounded to avoid crushing the infusion tube.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A manual agent replenishment device, characterized in that: including cavity (1), piston (2), push rod (3), feed liquor pipe (4) and drain pipe (5), be limited with the liquid storage area in cavity (1), piston (2) seal install in cavity (1), push rod (3) one end with piston (2) are connected, and its other end stretches out cavity (1) is outside, feed liquor pipe (4) and drain pipe (5) one end pass respectively cavity (1) and with the liquid storage area is connected and is linked together, the intercommunication is equipped with check valve (6) on feed liquor pipe (4), push rod (3) are used for promoting under the exogenic action piston (2) extrusion the liquid storage area.

2. A manual medicament supply apparatus as claimed in claim 1 wherein: the cavity (1) is a pipe body component with one open end, the push rod (3) is connected with one end of the piston (2) and extends out from one open end of the cavity (1), and one ends of the liquid inlet pipe (4) and the liquid outlet pipe (5) respectively penetrate through the other ends of the cavity (1).

3. A manual medicament supply apparatus as claimed in claim 2 wherein: the liquid storage device is characterized in that a flexible bag body (7) is arranged in the cavity (1), the bag body (7) is located at the other end of the cavity (1), one ends of the liquid inlet pipe (4) and the liquid outlet pipe (5) are respectively connected and communicated with the bag body (7), and the bag body (7) forms the liquid storage area.

4. A manual medicament replenishment device according to one of claims 1 to 3, characterized in that: the novel liquid-collecting device is characterized by further comprising a shell (8), wherein the cavity (1) is arranged in the shell (8), the push rod (3) extends out of one end of the shell (8), and the liquid inlet pipe (4) and the liquid outlet pipe (5) penetrate through the other end of the shell (8).

5. A manual medicament supply apparatus as claimed in claim 4 wherein: the shell (8) is provided with an assembly groove, and the cavity (1) is embedded in the assembly groove.

6. An analgesic pump system, characterized by: the device comprises an analgesic pump (9), a perfusion tube, a flow regulating device (10), an anesthetic tube (20) and the medicament manual replenishment device according to any one of claims 1 to 5, wherein one end of the perfusion tube is connected and communicated with a liquid outlet end of the analgesic pump (9), the other end of the perfusion tube is connected and communicated with the anesthetic tube (20), two parallel branch tube sections (30) are arranged in the middle section of the perfusion tube, the flow regulating device (10) is arranged on one branch tube section (30), and the liquid inlet tube (4) and the liquid outlet tube (5) are connected in series on the other branch tube section (30).

7. The analgesic pump system of claim 6 wherein: one end of the infusion tube and the other branch tube section (30) are respectively provided with a medicament filter (301).

8. The analgesic pump system of claim 6 wherein: one end of the infusion tube is provided with a spigot clamp (302).

9. The analgesic pump system of claim 6 wherein: and the two ends of the two branch pipe sections (30) are respectively connected with a flow divider (303).

10. The analgesic pump system of claim 6 wherein: the flow regulating device (10) comprises a shell (101), a knob (102) and a moving body (103), wherein an inlet and an outlet for a transfusion tube to pass through are formed in the surface of the shell (101), the knob (102) is rotationally assembled in the shell (101) and is partially exposed out of the shell (101), one end of the knob (102) stretches into the shell (101) and is provided with a screw rod (104), one end of the moving body (103) is provided with a squeezing part (1031), the other end of the moving body (103) is provided with a screw hole matched with the screw rod (104), the screw rod (104) is screwed in the screw hole, the moving body (103) is in sliding connection with the shell (101) and can slide along the long axis direction of the screw rod (104), the transfusion tube is positioned between the squeezing part (1031) and the inner wall of the shell (101), the knob (102) is used for rotating under the action of an external force and driving the screw rod (104) to rotate and driving the moving body (103) to move along the long axis direction of the screw rod (104) so as to separate the transfusion tube from the squeezing part (1031).

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