CN114904087A

CN114904087A - Infusion pump

Info

Publication number: CN114904087A
Application number: CN202210479120.9A
Authority: CN
Inventors: 郑明卫; 刘辉; 傅辉兵; 刘检平; 谢小英
Original assignee: Shenzhen Ying Mai Technology Co ltd
Current assignee: Shenzhen Ying Mai Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-16

Abstract

The invention discloses an infusion pump, which comprises a pump body and a movable swing arm, wherein the pump body is respectively provided with a guide groove and an installation reverse buckle, and the guide groove and the installation reverse buckle are oppositely arranged along the vertical direction of the pump body; the movable swing arm is movably arranged on the pump body; the movable swing arm comprises a clamping block, and a clamping groove communicated with the guide groove is formed in the pump body; when a plurality of infusion pumps are stacked, the end part of the installation reverse buckle of one infusion pump is clamped into the guide groove of the adjacent infusion pump, so that the clamping block is clamped into the clamping groove of the adjacent infusion pump. According to the technical scheme, the infusion pumps can be stacked without a workstation, the stacking can be realized only by the aid of the self structure, and after the infusion pumps are stacked, the front door of each infusion pump can still be normally opened and closed, so that an injector or a clamping tube can be normally clamped for infusion, and the cost is saved.

Description

Infusion pump

Technical Field

The invention relates to the field of medical instruments, in particular to an infusion pump.

Background

An infusion pump is an intelligent infusion device, and is special medical equipment which utilizes mechanical driving force to accurately control the number of infusion drops or the flow rate of infusion and ensures that the infusion pump can accurately and safely enter the body of a patient. The infusion pump is clinically applied, so that the accuracy, safety and nursing quality of infusion are greatly improved.

The existing infusion pump is mostly thicker in shape, longer and structurally limited, the infusion pump and the infusion pump can not be independently stacked under the condition of no workstation, even if the machine can be stacked, the infusion pump and the infusion pump can be stacked only by the aid of the special workstation, and the special workstation is high in cost.

Disclosure of Invention

The invention mainly aims to provide an infusion pump, aiming at realizing the stacking among infusion pumps without a workstation and only depending on the structure of the infusion pump, so that the cost is saved.

To achieve the above object, the present invention provides an infusion pump comprising:

the pump body is provided with a guide groove and an installation inverted buckle respectively, and the guide groove and the installation inverted buckle are oppositely arranged along the vertical direction of the pump body;

the movable swing arm is movably arranged on the pump body;

the movable swing arm comprises a clamping block, and a clamping groove communicated with the guide groove is formed in the pump body;

when a plurality of infusion pumps are stacked, the end part of the installation reverse buckle of one infusion pump is clamped into the guide groove of the adjacent infusion pump, so that the clamping block is clamped into the clamping groove of the adjacent infusion pump.

In one embodiment, the mounting undercuts comprise a first undercut and a second undercut, the movable swing arm being located between the first undercut and the second undercut;

when a plurality of infusion pumps are stacked, the outer surfaces of the first reverse buckle, the movable swing arm and the second reverse buckle are flush.

In an embodiment, the pump body is provided with a groove, an elastic piece is installed in the groove, the movable swing arm is abutted to the elastic piece, and the movable swing arm enables the clamping block to be clamped into the clamping groove under the action of the elastic piece.

In one embodiment, a positioning shaft is arranged on the pump body, the positioning shaft is arranged corresponding to the elastic piece, and the movable swing arm is provided with a rotating shaft which is rotatably sleeved on the positioning shaft;

the movable swing arm is provided with a butting part butted with the elastic part, and the rotating shaft is positioned between the butting part and the clamping block.

In one embodiment, the elastic member is a spring, the abutting portion is convexly provided with a positioning boss, the spring is sleeved on the periphery of the positioning boss, and the spring abuts against the abutting portion.

In one embodiment, one surface of the movable swing arm, which is far away from the spring, is provided with a convex hull, and the convex hull and the elastic piece are oppositely arranged.

In one embodiment, when the latch extends out of the latch slot, the spring is under compression.

In one embodiment, the installation reverse buckle is bent inwards to form a reverse buckle part clamped in the guide groove.

In an embodiment, the latch is formed by bending the movable swing arm inward, and the length of the inward extension of the latch is greater than the length of the inward extension of the inverted portion.

In an embodiment, the infusion pump is one of a syringe pump or an infusion pump.

According to the technical scheme, the infusion pump is limited up and down, left and right through the matching of the installation reverse buckle fixed on the pump body and the guide groove, and meanwhile, the movable swing arm fixture block is matched with the clamping groove in the guide groove to limit the infusion pump front and back, so that the omnibearing limit of a plurality of infusion pumps when stacked is ensured. When the infusion pump positioned above or below is to be pumped out, the infusion pump can be detached by releasing the clamping block of the movable swing arm to extend out of the clamping groove of the guide groove and then horizontally pushing the pump body of the infusion pump from front to back. According to the invention, mutual stacking between the infusion pumps is realized through the self-contained structural attributes between the infusion pumps, and even if a plurality of infusion pumps are stacked, the front door of each infusion pump can still be normally opened and closed, so that an injector or a clamp tube can be normally clamped for infusion. The work station occupation space does not need to be additionally arranged, the practicability of the infusion pump in the using process is greatly improved, and the cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of a stacking process of one embodiment of the infusion pump of the present invention;

FIG. 2 is a stack display of an embodiment of the infusion pump of the present invention;

FIG. 3 is an open front view of a stack infusion pump according to an embodiment of the infusion pump of the present invention;

FIG. 4 is a front door open display of a stacked syringe pump in accordance with an embodiment of the infusion pump of the present invention;

FIG. 5 is a schematic diagram of an embodiment of the infusion pump of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 4;

FIG. 7 is a schematic view of an embodiment of the infusion pump of the present invention with the movable swing arm removed;

FIG. 8 is a schematic view of another embodiment of the infusion pump of the present invention;

FIG. 9 is a schematic view of a further embodiment of an infusion pump of the present invention;

FIG. 10 is a schematic view of a movable swing arm of an embodiment of the infusion pump of the present invention;

fig. 11 is another angle schematic diagram of the movable swing arm of the infusion pump of the present invention.

The reference numbers indicate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Pump body	151	Clamping block
110	Guide groove	152	Convex hull
				111	Clamping groove	153	Rotating shaft
120	Installation back-off	154	Abutting part
				121	First reverse buckle	155	Positioning boss
122	Second reverse buckle	160	Positioning shaft
				123	Back-off part	170	Front door
130	Groove	101	Infusion pump
				140	Elastic piece	102	Injection pump
150	Movable swing arm

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

An infusion pump is an intelligent infusion device, and is special medical equipment which utilizes mechanical driving force to accurately control the number of infusion drops or the flow rate of infusion and ensures that the infusion can accurately and safely enter the body of a patient. The infusion pump is clinically applied, so that the accuracy, safety and nursing quality of infusion are greatly improved.

Referring to fig. 1 to 11, the present invention provides an infusion pump, which includes a pump body 100 and a movable swing arm 150, wherein the pump body 100 is provided with a guide slot 110 and an installation reverse buckle 120, respectively, and the guide slot 110 and the installation reverse buckle 120 are oppositely arranged along the up-down direction of the pump body 100; the movable swing arm 150 is movably mounted on the pump body 100; the movable swing arm 150 includes a fixture block 151, and the pump body 100 is provided with a fixture groove 111 communicated with the guide groove 110; when a plurality of infusion pumps are stacked, the end of the mounting inverted buckle 120 of one infusion pump is clamped into the guide groove 110 of the adjacent infusion pump, so that the clamping block 151 is clamped into the clamping groove 111 of the adjacent infusion pump.

Specifically, the plurality of infusion pumps may be a plurality of infusion pumps 101, a plurality of syringe pumps 102, or a combination of the syringe pumps 102 and the infusion pumps 101. The guide groove 110 may be disposed above or below the pump body 100, and the corresponding installation reverse 120 may be disposed below or above the pump body 100, taking the example that the guide groove 110 is disposed above the pump body 100 and the installation reverse 120 is disposed below the pump body 100: when a plurality of infusion pumps are stacked from bottom to top, the installation reverse buckle 120 of the previous infusion pump is aligned with the inlet of the guide groove 110 of the next infusion pump and pushed from back to front, when the installation reverse buckle 120 of the previous infusion pump is pushed to a certain position, the clamping block 151 of the movable swing arm 150 is clamped into the clamping groove 111 sunken in the guide groove 110, and the plurality of infusion pumps are stacked and fixed. The infusion pump is limited up and down and left and right by matching the installation reverse buckle 120 fixed on the pump body 100 with the guide groove 110, and meanwhile, the movable swing arm 150 clamping block 151 is matched with the clamping groove 111 in the guide groove 110 to limit the infusion pump front and back, so that the omnibearing limit of a plurality of infusion pumps during stacking is ensured. When the infusion pump is to be drawn out, the infusion pump can be detached by releasing the latch 151 of the movable swing arm 150 to extend out of the latch groove 111 of the guide groove 110, and then the infusion pump body 100 is horizontally pushed from front to back.

According to the invention, mutual stacking between the infusion pumps is realized through the self-contained structural attributes between the infusion pumps, and even if a plurality of infusion pumps are stacked, the front door 170 of each infusion pump can still be normally opened and closed to clamp a tube for infusion. As shown in fig. 3, one infusion pump 101 is stacked with one syringe pump 102, and the infusion pump 101 located below can still open the front door 170 for normal tubing infusion. Of course, if the syringe pump 102 is located below, the front door 170 can still be opened to get the syringe infusion normally, as shown in fig. 4. Therefore, the occupied space of the workstation is not required to be additionally arranged, the practicability of the infusion pump in the using process is greatly improved, and the cost is saved.

Referring to fig. 5 and 8, in the present embodiment, the installation reverse buckle 120 includes a first reverse buckle 121 and a second reverse buckle 122, and the movable swing arm 150 is located between the first reverse buckle 121 and the second reverse buckle 122; when a plurality of infusion pumps are stacked, the outer surfaces of the first inverted buckle 121, the movable swing arm 150 and the second inverted buckle 122 are flush. It can be understood that, in the process of stacking infusion pumps, the first reverse buckle 121 of the previous infusion pump slides in alignment with the guide groove 110 of the next infusion pump, when the first reverse buckle 121 slides to the bottom end, the movable swing arm 150 of the previous infusion pump also enters the guide groove 110, the movable swing arm 150 is extruded by the next infusion pump to extend outwards, and the second reverse buckle 122 of the previous infusion pump also enters the guide groove 110 of the next infusion pump; when a certain position is reached, the movable swing arm 150 automatically resets, so that the fixture block 151 is clamped into the clamping groove 111, and the infusion pump is stacked.

Referring to fig. 7, in order to ensure that the movable swing arm 150 is automatically locked, in this embodiment, the pump body 100 is provided with a groove 130, an elastic member 140 is installed in the groove 130, the movable swing arm 150 abuts against the elastic member 140, and the movable swing arm 150 enables the fixture block 151 to be clamped into the fixture groove 111 under the action of the elastic member 140.

It is understood that the resilient member 140 may be a variety of materials including, but not limited to, springs, rubber, and the like. When the installation back-off 120 of the previous infusion pump slides into the guide groove 110 of the next infusion pump, the movable swing arm 150 is extruded to extend outwards, and when the fixture block 151 of the movable swing arm 150 reaches the position of the clamping groove 111 in the guide groove 110, the fixture block 151 is inserted into the clamping groove 111 of the guide groove 110 along with the movement of the movable swing arm 150 under the deformation force of the elastic member 140 of the movable swing arm 150. The movable switching mode of the movable swing arm 150 includes, but is not limited to, rotation, translation, etc., and only the automatic locking of the fixture block 151 of the movable swing arm 150 is required.

Referring to fig. 5 to 8, in the present embodiment, the pump body 100 is provided with a positioning shaft 160, the positioning shaft 160 is disposed corresponding to the elastic member 140, the movable swing arm 150 is provided with a rotating shaft 153, and the rotating shaft 153 is rotatably sleeved on the positioning shaft 160; the movable swing arm 150 has an abutting portion 154 abutting against the elastic member 140, and the rotating shaft 153 is located between the abutting portion 154 and the latch 151.

It can be understood that, activity swing arm 150 can rotate around location axle 160, when activity swing arm 150 well fixture block 151 stretches out draw-in groove 111 in the guide way 110, activity swing arm 150's butt portion 154 supports and presses elastic component 140, butt portion 154 receives the deformation effect of elastic component 140 this moment, constantly have back forward propulsion to a certain position along with last infusion pump's installation back-off 120, butt portion 154 releases, activity swing arm 150 receives the rotation of elastic component 140 deformation effect, fixture block 151 stretches into draw-in groove 111, realize that the infusion pump piles up the auto-lock.

Referring to fig. 7, 10 and 11, in the present embodiment, the elastic element 140 is a spring, the abutting portion 154 is convexly provided with a positioning boss 155, the spring is sleeved on the outer circumference of the positioning boss 155, and the spring abuts against the abutting portion 154. The compression deformation of the spring can be utilized to apply an acting force to the abutting part 154 of the movable swing arm 150, and automatic locking between infusion pumps is realized. The spring is positioned through the positioning boss 155, the acting force of the spring is ensured to be complete, the spring cannot move around, and the deformation elastic action of the spring in the axial direction is more complete.

Referring to fig. 11, when the infusion pump stack needs to be disassembled, in order to facilitate the user to press the designated area of the movable swing arm 150, in this embodiment, a convex hull 152 is disposed on a surface of the movable swing arm 150 facing away from the elastic member 140, and the convex hull 152 is disposed opposite to the elastic member 140. It can be understood that when the convex hull 152 is pressed, the abutting portion 154 of the movable swing arm 150 presses the elastic member 140 to generate elastic deformation, and the latch 151 protrudes from the slot 111, the infusion pump is pushed horizontally from the front to the back, so that the infusion pump stack can be disassembled. In order to increase the comfort of the user pressing the convex hull 152, in the present embodiment, the convex hull 152 is disposed in a curved shape. If the convex hull 152 has sharp corners, the stress generated is too concentrated, reducing the comfort of the user's hand. The convex hull 152 is curved, the curved surface has no sharp corner, the generated stress is minimum, the hand feeling comfort of a user when the user removes the folding pump is increased, and the convex hull 152 is easier to generate elastic deformation compared with other shapes.

Referring to fig. 5 to 8, in the present embodiment, when the latch 151 extends out of the latch slot 111, the spring is in a compressed state. It can be understood that, when the latch 151 on the movable swing arm 150 extends out of the latch slot 111, the spring is compressed to always provide a deformation buffering force for the movable swing arm 150, and when the movable swing arm 150 is unloaded by the external force of the infusion pump extrusion, the movable swing arm 150 is swung by the spring of the spring, and then the latch 151 is driven to be latched into the latch slot 111. Of course in other embodiments the spring may be in compression at all times.

Referring to fig. 8, in the present embodiment, the first reverse buckle 121 and the second reverse buckle 122 are both bent inward to form a reverse buckle portion 123 capable of being clamped into the guide slot 110. The undercut 123 is adapted to the shape of the guide slot 110, and the undercut 123 is adapted to snap into the slot of the guide slot 110 during stacking of the infusion pumps.

With reference to fig. 8, in the present embodiment, the latch 151 is formed by bending the movable swing arm 150 inward, and the length of the inward extension of the latch 151 is greater than the length of the inward extension of the undercut 123. It can be understood that, the slot 111 in the guide groove 110 is formed by the inward recess of the guide groove 110, and the inward extending length of the latch 151 is greater than the inward extending length of the inverted buckle part 123, that is, the latch 151 protrudes to mount the inverted buckle 120, so that it can be ensured that the latch 151 latches the slot 111, and the front and rear direction of the infusion pump to be stacked is limited, thereby ensuring the stacking feasibility of the infusion pump.

In this embodiment, the infusion pump is one of a syringe pump 102 or an infusion pump 101. When any plurality of infusion pumps are stacked, the plurality of infusion pumps may be a plurality of infusion pumps 101, a plurality of syringe pumps 102, or a combination of the syringe pumps 102 and the infusion pumps 101. The infusion pump is not limited by the type of the infusion pump, and stacking is realized by flexibly utilizing the structural attributes of the infusion pump.

Referring to fig. 1 to 11, in combination with all the above embodiments, when a plurality of infusion pumps are stacked, the installation inverted buckle 120 of the previous infusion pump is aligned with the guide groove 110 of the next infusion pump, and is horizontally pushed from the back to the front, and slides to the end of the guide groove 110 of the next infusion pump through the installation inverted buckle 120 of the previous infusion pump to limit and stop until the fixture block 151 of the movable swing arm 150 of the previous infusion pump slides into the fixture groove 111 in the guide groove 110 of the next infusion pump, so as to perform omnibearing limit and complete stacking. When the pump needs to be unfolded, the convex hull 152 on the movable swing arm 150 is pressed by hand and the stacked infusion pump can be detached by pushing from front to back. In the form, the disassembly by a workstation is not needed, and the cost is saved.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An infusion pump, comprising:

the pump body is provided with a guide groove and an installation reverse buckle respectively, and the guide groove and the installation reverse buckle are oppositely arranged along the vertical direction of the pump body;

the movable swing arm is movably arranged on the pump body;

2. The infusion pump of claim 1, wherein said mounting undercuts comprise a first undercut and a second undercut, said movable swing arm being located between said first undercut and said second undercut;

3. The infusion pump according to claim 2, wherein the pump body is provided with a groove, an elastic member is installed in the groove, the movable swing arm abuts against the elastic member, and the movable swing arm enables the clamping block to be clamped into the clamping groove under the action of the elastic member.

4. The infusion pump according to claim 3, wherein a positioning shaft is disposed on the pump body, the positioning shaft is disposed corresponding to the elastic member, and the movable swing arm is provided with a rotating shaft rotatably sleeved on the positioning shaft;

5. The infusion pump of claim 4, wherein the elastic member is a spring, the abutting portion is convexly provided with a positioning boss, the spring is sleeved on the periphery of the positioning boss, and the spring abuts against the abutting portion.

6. The infusion pump of claim 5, wherein a face of said movable swing arm facing away from said spring is provided with a convex hull, said convex hull being disposed opposite said resilient member.

7. The infusion pump as claimed in claim 6, wherein said spring is in a compressed state when said cartridge extends out of said notch.

8. The infusion pump of claim 3, wherein the first and second undercuts are each bent inwardly to form an undercut that can snap into the guide channel.

9. The infusion pump as claimed in claim 8, wherein said latch is formed by bending said movable swing arm inwardly, said latch extending inwardly for a length greater than the length of said undercut extending inwardly.

10. The infusion pump of any of claims 1 to 9, wherein the infusion pump is one of a syringe pump or an infusion pump.