CN219049825U

CN219049825U - Flow monitoring type infusion pump

Info

Publication number: CN219049825U
Application number: CN202320187228.0U
Authority: CN
Inventors: 徐海中; 戴宗贤; 李毅; 张震
Original assignee: Chongqing Academy of Metrology and Quality Inspection
Current assignee: Chongqing Academy of Metrology and Quality Inspection
Priority date: 2023-02-12
Filing date: 2023-02-12
Publication date: 2023-05-23
Anticipated expiration: 2033-02-12

Abstract

The utility model discloses a flow monitoring type infusion pump which comprises an infusion pump body, wherein a control panel is arranged on the side face of the infusion pump body, a detection groove is formed in the side face of the infusion pump body, a pump door which seals the detection groove is rotatably arranged on the side face of the infusion pump body, a peristaltic structure is arranged in the detection groove, an adjusting piece for adjusting flow is arranged at a position, located below the peristaltic structure, in the detection groove, and the adjusting piece comprises a first motor which is arranged in the detection groove. The flow monitoring type infusion pump limits the flow of the infusion catheter through the regulating part arranged inside, so that the infusion pump body is convenient to control the flow rate of liquid in the infusion catheter, the regulating part is not fixed at the limiting position of the infusion catheter, the phenomenon that the flow rate of the infusion catheter is influenced or even is cut off due to the fact that the regulating part extrudes the position for a long time is avoided, and the normal use of the infusion catheter and the effective monitoring of the infusion pump on the flow of the infusion catheter are ensured.

Description

Flow monitoring type infusion pump

Technical Field

The utility model relates to the technical field of metering devices, in particular to a flow monitoring type infusion pump.

Background

Intravenous infusion is a common administration mode in clinical treatment, and according to different medicine properties and physique of patients, the intravenous infusion speed is also different, and the infusion is too fast and too slow, so that the expected treatment effect is difficult to achieve, and even the nursing safety is influenced. At present, the control mode of intravenous transfusion mainly depends on naked eye observation of nursing staff and controls the transfusion speed through a manual wheel clamp, and the mode is inconvenient for realizing quantitative injection of medicines and is unfavorable for treatment of patients.

In order to solve the problems, at present, an infusion pump is used for monitoring and controlling the flow, and the infusion pump is used for limiting the flow rate of liquid in an infusion catheter by applying acting force to the infusion catheter, so that the infusion speed is controlled. Infusion pumps play an important role in situations where strict control of the amount and dosage of infusion is required (e.g., booster drug injections, antiarrhythmic drug injections, infant intravenous infusions, or intravenous anesthetics, etc.).

When the infusion pump works, a part of the infusion catheter is extruded and peristaltic through the peristaltic structure arranged in the infusion pump, so that liquid is pushed to flow forwards, the flow of the infusion catheter is limited by the infusion pump through the liquid stopping clamp, but the liquid stopping clamp of the infusion pump is usually contacted with a specific position in the infusion catheter (the position of the liquid stopping clamp repeatedly extruding the infusion catheter is the same because the infusion catheter is fixed in the infusion pump), the part is easy to deform due to the fact that the liquid stopping clamp extrudes the infusion catheter at the position for a long time, the flowing of the liquid is influenced, even the flow of the liquid is stopped, and the normal use of the infusion catheter is not facilitated.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the flow monitoring type infusion pump, wherein the flow of an infusion catheter is limited through the regulating part arranged in the infusion pump body, so that the infusion pump body is convenient to control the flow rate of liquid in the infusion catheter, the limiting position of the regulating part on the infusion catheter is not fixed, the influence on the flow rate of the infusion catheter and even the flow interruption caused by the fact that the regulating part extrudes the position for a long time are avoided, the normal use of the infusion catheter and the effective monitoring of the infusion pump on the flow of the infusion catheter are ensured, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flow monitoring type transfer pump, includes the transfer pump body, transfer pump body side is provided with control panel, the detection groove has been seted up to transfer pump body side, and transfer pump body side rotates installs the pump door sealed to the detection groove, be provided with peristaltic construction in the detection groove, and the position that is located peristaltic construction below in the detection groove is provided with the regulating part of flow regulation.

The adjusting piece is including installing the first motor in the detection groove, and be fixed with the mounting panel on the output shaft of first motor, the mounting panel side slides and is provided with the actuating member that movable rod and drive movable rod removed, the position that is close to the adjusting piece in the detection groove is provided with the arc, control switch and the external power source series connection that corresponds with first motor among first motor, the control panel become the operating circuit of first motor.

As a preferable technical scheme of the utility model, the driving piece comprises a second motor fixed on the side surface of the mounting plate, a screw rod for driving the moving rod to move is arranged on an output shaft of the second motor, and a working circuit of the second motor is formed by connecting a control switch corresponding to the second motor in series with an external power supply in the second motor and a control panel.

As a preferable technical scheme of the utility model, a heating structure is arranged at the position of the side surface of the pump door, which is close to the peristaltic structure, and a control switch corresponding to the heating structure in the heating structure, a control panel and an external power supply are connected in series to form a working circuit of the heating structure.

As a preferable technical scheme of the peristaltic structure, the upper side and the lower side of the peristaltic structure are provided with the locating clamps, and the two ends of the inner side of the arc-shaped plate are fixed with the locating columns.

As a preferable technical scheme of the utility model, a pressure head is fixed at one end of the moving rod far away from the driving piece, and the pressure head is made of rubber.

As a preferable technical scheme of the utility model, the back of the infusion pump body is provided with a positioning piece, the positioning piece comprises a positioning frame and a fixing plate, the positioning frame and the fixing plate are fixed on the side face of the infusion pump body, and the side face of the fixing plate is provided with a fastening bolt for positioning the infusion pump body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the flow monitoring type infusion pump, the flow of the infusion catheter is limited through the regulating part arranged in the infusion pump body, so that the infusion pump body is convenient to control the flow rate of liquid in the infusion catheter, the limiting position of the regulating part on the infusion catheter is not fixed, the phenomenon that the flow rate of the infusion catheter is influenced or even is blocked due to the fact that the regulating part extrudes the position for a long time is avoided, and the normal use of the infusion catheter and the effective monitoring of the infusion pump on the flow of the infusion catheter are ensured.

2. According to the flow monitoring type infusion pump, the peristaltic structure is controlled by the control panel to work so that liquid medicine flows in the infusion catheter, the control panel controls the adjusting piece to limit the infusion catheter according to required liquid medicine conveying speed, conveying capacity and other data, namely, the second motor drives the screw to rotate so that the screw pushes the moving rod to move on the side face of the mounting plate, the pressure head at the end part of the moving rod extrudes the infusion catheter according to a set numerical value, so that the flow of the infusion catheter is limited and regulated, the flow is conveniently monitored, in addition, the control panel calculates the infusion time according to the liquid medicine conveying amount, the control panel controls the first motor to indirectly work according to the length of the infusion time, and the mounting plate is driven to rotate whenever the first motor is in a working state, so that the contact position of the pressure head and the infusion catheter is changed, the phenomenon that the infusion catheter is extruded by the pressure head for a long time and is not reset is avoided, and the effective conveying of the liquid medicine through the infusion catheter is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the utility model after the pump door is opened;

FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;

fig. 4 is a schematic structural view of another view of the present utility model.

In the figure: the infusion pump comprises an infusion pump body 1, a control panel 2, a pump door 3, a peristaltic structure 4, a heating structure 5, a locating clamp 6, an arc-shaped plate 7, a locating column 71, a first motor 8, a mounting plate 9, a moving rod 10, a pressure head 11, a second motor 12, a screw 13, a locating frame 14, a fixing plate 15 and a fastening bolt 16.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a flow monitoring type transfer pump, including transfer pump body 1, transfer pump body 1 side is provided with control panel 2, install the controller in the transfer pump body 1, can make the controller control inside electrical component work through the control panel 2 that sets up, this mode adopts prior art, the transfer pump body 1 side has been seted up and has been examined the groove, and transfer pump body 1 side rotates and install the pump door 3 sealed to the detection groove, be provided with peristaltic structure 4 in the detection groove, peristaltic structure 4 adopts prior art equally, peristaltic structure 4 is used for controlling the liquid medicine and flows in the transfer line, and the position that is located peristaltic structure 4 below in the detection groove is provided with the regulating part of flow regulation.

The regulating part comprises a first motor 8 arranged in a detection groove, a mounting plate 9 is fixed on an output shaft of the first motor 8, the mounting plate 9 can be controlled to rotate through the first motor 8, the first motor 8 is preferably a stepping motor, a movable rod 10 and a driving part for driving the movable rod 10 to move are arranged on the side face of the mounting plate 9 in a sliding mode, an arc-shaped plate 7 is arranged at a position, close to the regulating part, in the detection groove, the arc-shaped plate 7 is arranged to facilitate limiting of an infusion pipeline, and a control switch corresponding to the first motor 8 in the first motor 8 and a working circuit of the first motor 8 are formed by connecting an external power supply in series.

The driving part comprises a second motor 12 fixed on the side surface of the mounting plate 9, a screw 13 for driving the moving rod 10 to move is arranged on the output shaft of the second motor 12, and a working circuit of the second motor 12 is formed by connecting a control switch corresponding to the second motor 12 in the second motor 12 and an external power supply in series in the control panel 2, wherein the driving part can also be a miniature electric telescopic rod.

The side of the pump door 3 is provided with a heating structure 5 at a position close to the peristaltic structure 4, a control switch corresponding to the heating structure 5 in the heating structure 5 and the control panel 2 are connected in series to form a working circuit of the heating structure 5, the heating structure 5 is preferably an electric heating plate, and the liquid medicine in the infusion pipeline is heated through the electric heating plate, so that the treatment of a patient is facilitated.

The locating clips 6 are arranged on the upper side and the lower side of the peristaltic structure 4, the locating clips 6 are convenient for locating the infusion tube, locating columns 71 are fixed at the two ends of the inner side of the arc-shaped plate 7, and when the infusion tube is located on the side face of the arc-shaped plate 7, the locating columns 71 limit the infusion tube, so that the infusion tube is prevented from moving and dislocating.

One end of the movable rod 10 far away from the driving piece is fixed with a pressure head 11, the pressure head 11 is made of rubber, the pressure head 11 can also be made of plastic, and the pressure head 11 prevents the movable rod 10 from wearing and tearing the infusion pipeline when following the rotation of the mounting plate 9.

The back of the infusion pump body 1 is provided with a locating piece, the locating piece comprises a locating frame 14 and a fixing plate 15 which are fixed on the side face of the infusion pump body 1, a fastening bolt 16 for locating the infusion pump body 1 is arranged on the side face of the fixing plate 15, and the locating piece is convenient to install and use the infusion pump body 1.

When in use:

the infusion pump is fixed on a support frame arranged outside through a positioning piece at the back of the infusion pump body 1, the fastening bolt 16 at the side surface of the fixing plate 15 is rotated to enable the infusion pump body 1 to be effectively clamped on the support frame, the infusion pump body is prevented from falling off in the use process, the pump door 3 is opened to place an infusion catheter in a detection groove, the infusion catheter is sequentially arranged in the positioning clamp 6, the side surface of the peristaltic structure 4, the positioning clamp 6 and the side surface of the arc-shaped plate 7 from top to bottom, and when the infusion catheter is positioned at the side surface of the arc-shaped plate 7, the positioning column 71 limits the infusion catheter and prevents the infusion catheter from moving and misplacement;

then, the pump door 3 is closed, the infusion pipeline is clamped between the pump door 3 and the infusion pump body 1, the peristaltic structure 4 is controlled to work through the control panel 2, liquid medicine flows in the infusion catheter, the infusion catheter is limited according to required liquid medicine conveying speed, conveying capacity and other data through the control panel 2 control adjusting piece, namely, the screw 13 is driven to rotate through the second motor 12 to enable the screw 13 to push the movable rod 10 to move on the side face of the mounting plate 9, the pressure head 11 at the end part of the movable rod 10 extrudes the infusion catheter according to a set numerical value, therefore, the limiting and controlling of the flow of the infusion catheter are achieved, the flow is conveniently monitored, in addition, the control panel 2 calculates the used infusion time according to the liquid medicine conveying amount, the control panel 2 controls the first motor 8 to work indirectly according to the length of the infusion time, and the first motor 8 is driven to rotate when in a working state, therefore the contact position of the pressure head 11 and the infusion catheter is changed, the non-resettable deformation of a certain position of the infusion catheter due to long-time extrusion of the pressure head 11 is avoided, and the effective conveying of the liquid medicine through the infusion pipeline is guaranteed.

The non-disclosed parts of the utility model are all prior art, and the specific structure, materials and working principle thereof are not described in detail. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flow monitoring formula transfer pump, includes infusion pump body (1), its characterized in that: the infusion pump comprises an infusion pump body (1), wherein a control panel (2) is arranged on the side face of the infusion pump body (1), a detection groove is formed in the side face of the infusion pump body (1), a pump door (3) for sealing the detection groove is rotatably arranged on the side face of the infusion pump body (1), a peristaltic structure (4) is arranged in the detection groove, and an adjusting piece for adjusting flow is arranged at a position, below the peristaltic structure (4), in the detection groove;

the regulating part comprises a first motor (8) arranged in a detection groove, a mounting plate (9) is fixed on an output shaft of the first motor (8), a moving rod (10) and a driving part for driving the moving rod (10) to move are arranged on the side face of the mounting plate (9) in a sliding mode, an arc-shaped plate (7) is arranged at a position, close to the regulating part, in the detection groove, a control switch corresponding to the first motor (8) in the first motor (8) and a control panel (2) are connected in series to form a working circuit of the first motor (8).

2. The flow monitoring infusion pump of claim 1, wherein: the driving piece comprises a second motor (12) fixed on the side face of the mounting plate (9), a screw (13) for driving the moving rod (10) to move is mounted on an output shaft of the second motor (12), and a working circuit of the second motor (12) is formed by connecting a control switch corresponding to the second motor (12) in the second motor (12) and the control panel (2) in series with an external power supply.

3. The flow monitoring infusion pump of claim 1, wherein: the side of the pump door (3) is provided with a heating structure (5) at a position close to the peristaltic structure (4), and a control switch corresponding to the heating structure (5) in the heating structure (5) and the control panel (2) are connected in series to form a working circuit of the heating structure (5).

4. The flow monitoring infusion pump of claim 1, wherein: the locating clamps (6) are arranged on the upper side and the lower side of the peristaltic structure (4), and locating columns (71) are fixed at the two ends of the inner side of the arc-shaped plate (7).

5. The flow monitoring infusion pump of claim 1, wherein: one end of the moving rod (10) far away from the driving piece is fixed with a pressing head (11), and the pressing head (11) is made of rubber.

6. The flow monitoring infusion pump of claim 1, wherein: the back of the infusion pump body (1) is provided with a positioning piece, the positioning piece comprises a positioning frame (14) and a fixing plate (15) which are fixed on the side face of the infusion pump body (1), and the side face of the fixing plate (15) is provided with a fastening bolt (16) for positioning the infusion pump body (1).