CN114904087A - infusion pump - Google Patents

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 devices, in particular to an infusion pump.

Background technique

An infusion pump is an intelligent infusion device. It is a special medical device that uses mechanical driving force to accurately control the number of infusion drops or infusion flow rate, and ensure that the dose is accurately and safely entered into the patient's body. The clinical application of the infusion pump greatly improves the accuracy, safety and nursing quality of infusion.

Most of the existing infusion pumps are thick and long in shape and limited in structure, so it is impossible to stack the infusion pump and the infusion pump without a workstation. In order to complete the stacking between the infusion pump and the infusion pump, the cost of using a dedicated workstation is relatively large.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide an infusion pump, which aims to realize the stacking between the infusion pumps without the use of a workstation, and the stacking can be realized only by its own structure, thereby saving costs.

To achieve the above object, the infusion pump proposed by the present invention includes:

a pump body, the pump body is respectively provided with a guide groove and an installation undercut, and the guide groove and the mounting undercut are oppositely arranged along the up-down direction of the pump body;

The movable swing arm is movably installed on the pump body;

Wherein, the movable swing arm includes a clamping block, and the pump body is provided with a clamping groove communicated with the guide groove;

When a plurality of the infusion pumps are stacked, the end of the installation undercut of one of the infusion pumps is clamped into the guide grooves of the adjacent infusion pumps, so that the clamping block is locked. into the slot adjacent to the infusion pump.

In one embodiment, the installation undercut includes a first undercut and a second undercut, and the movable swing arm is located between the first undercut and the second undercut;

When a plurality of the infusion pumps are stacked, the outer surfaces of the first undercut, the movable swing arm, and the second undercut are flush.

In one embodiment, the pump body is provided with a groove, an elastic member is installed in the groove, the movable swing arm is in contact with the elastic member, and the movable swing arm acts on the elastic member. Press down to fit the card block into the card slot.

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

The movable swing arm has an abutting portion abutting against the elastic member, and the rotating shaft is located between the abutting portion and the locking block.

In one embodiment, the elastic member is a spring, a positioning boss is protruded from the abutting portion, the spring is sleeved on the outer circumference of the positioning boss, and the spring is in contact with the abutting portion.

In one embodiment, a convex hull is disposed on the side of the movable swing arm facing away from the spring, and the convex hull and the elastic member are disposed opposite to each other.

In one embodiment, the spring is in a compressed state when the block extends out of the groove.

In one embodiment, the installation undercut is bent inward to form an undercut portion that is snapped into the guide groove.

In one embodiment, the locking block is formed by bending the movable swing arm inward, and the inwardly extending length of the locking block is greater than the inwardly extending length of the undercut portion.

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

The technical scheme of the present invention limits the infusion pump up, down, left and right through the cooperation of the installation inverted buckle fixed on the pump body and the guide groove, and at the same time, the movable swing arm clamping block cooperates with the clamping groove in the guide groove to limit the front and rear of the infusion pump. Ensure all-round limit when multiple infusion pumps are stacked. When the infusion pump located above or below is to be pulled out, the infusion pump can be removed by releasing the clamping block of the movable swing arm and extending the clamping groove of the guide groove, and then pushing the infusion pump body horizontally from front to back. . The present invention realizes the mutual stacking between the infusion pump and the infusion pump through the self-contained structural properties between the infusion pump and the infusion pump, and even if multiple infusion pumps are stacked, the front door of each infusion pump The door can still be opened and closed normally, and the syringe or tube can be clamped normally for infusion. There is no need to set up additional workstations to occupy space, which greatly improves the practicability of the infusion pump during use and saves costs.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without creative efforts.

1 is a schematic diagram of a stacking process of an embodiment of an infusion pump of the present invention;

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

FIG. 3 is a view showing the opening of the front door of the infusion pump in a stacked state according to an embodiment of the infusion pump of the present invention;

FIG. 4 is a view showing the opening of the front door of the infusion pump in a stacked state according to an embodiment of the infusion pump of the present invention;

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

Fig. 6 is a partial enlarged view of Fig. 4;

7 is a schematic structural diagram of an embodiment of the infusion pump of the present invention without the movable swing arm;

8 is a schematic structural diagram of another angle of an embodiment of the infusion pump of the present invention;

Fig. 9 is another perspective structural schematic diagram of an embodiment of the infusion pump of the present invention;

10 is a schematic structural diagram of a movable swing arm of an embodiment of the infusion pump of the present invention;

FIG. 11 is a schematic structural diagram of another angle of the movable swing arm of an embodiment of the infusion pump of the present invention.

Description of reference numbers:

label name label name 100 pump body 151 card block 110 The guide groove 152 convex hull 111 card slot 153 axis of rotation 120 Install the buckle 154 abutment 121 first undercut 155 positioning boss 122 The second undercut 160 positioning axis 123 undercut 170 Front door 130 groove 101 Infusion Pump 140 elastic 102 Injection pump 150 Active swing arm

The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) involved in the embodiments of the present invention, the directional indications are only used to explain a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for the purpose of description, and should not be construed as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, if the meaning of "and/or" appears in the whole text, it includes three parallel schemes, taking "A and/or B" as an example, including scheme A, or scheme B, or the scheme that A and B satisfy at the same time . In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present invention.

An infusion pump is an intelligent infusion device. It is a special medical device that uses mechanical driving force to accurately control the number of infusion drops or infusion flow rate, and ensure that the dose is accurately and safely entered into the patient's body. The clinical application of the infusion pump greatly improves the accuracy, safety and nursing quality of infusion.

Most of the existing infusion pumps are thick and long in shape and limited in structure, so it is impossible to stack the infusion pump and the infusion pump without a workstation. In order to complete the stacking between the infusion pump and the infusion pump, the cost of using a dedicated workstation is relatively large.

Please refer to FIG. 1 to FIG. 11 , the present invention provides an infusion pump, the infusion pump includes a pump body 100 and a movable swing arm 150, the pump body 100 is respectively provided with a guide groove 110 and an installation inversion 120, so The guide groove 110 and the installation undercut 120 are arranged opposite to each other along the up and down direction of the pump body 100 ; the movable swing arm 150 is movably installed on the pump body 100 ; wherein the movable swing arm 150 includes a clamping block 151, the pump body 100 is provided with a card slot 111 that communicates with the guide slot 110; when multiple infusion pumps are stacked, one of the infusion pumps is installed at the end of the inverted buckle 120. The part 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 multiple infusion pumps may be multiple infusion pumps 101 , may also be multiple syringe pumps 102 , or may be a combination of the syringe pump 102 and the infusion pump 101 . The guide groove 110 can be arranged above or below the pump body 100, and the corresponding installation undercut 120 can be arranged under or above the pump body 100, so that the guide groove 110 is arranged above the pump body 100, and the installation undercut 120 is arranged on the pump body 100. Take the lower part of the body 100 as an example: when multiple infusion pumps are stacked from bottom to top, the installation inversion 120 of the previous infusion pump is aligned with the inlet of the guide groove 110 of the next infusion pump, from back to front. Advance, when the installation inversion pump 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 recessed clamping groove 111 of the guide groove 110, and the stacking and fixing of multiple infusion pumps is completed. The infusion pump is limited up, down, left, and right by the installation inversion 120 fixed on the pump body 100 and the guide groove 110. At the same time, the clamping block 151 of the movable swing arm 150 cooperates with the clamping groove 111 in the guide groove 110 to move the infusion pump forward and backward. Limit, to ensure all-round limit when multiple infusion pumps are stacked. When the infusion pump located above or below is to be pulled out, the clamping block 151 of the movable swing arm 150 can be released to extend out of the clamping groove 111 of the guide groove 110, and then the infusion pump body 100 can be pushed horizontally from front to back. Remove the infusion pump.

The present invention realizes the mutual stacking between the infusion pump and the infusion pump through the self-contained structural properties between the infusion pump and the infusion pump, and even if multiple infusion pumps are stacked, the front door of each infusion pump The 170 can still open and close the door normally and clamp the infusion normally. As shown in FIG. 3 , an infusion pump 101 is stacked with a syringe pump 102 , and the infusion pump 101 located below can still open the front door 170 to normally pinch the tube for infusion. Of course, as shown in FIG. 4 , if the syringe pump 102 is located below, the front door 170 can still be opened, and the syringe can be normally grasped for infusion. In this way, there is no need to set up additional workstations to occupy space, which greatly improves the practicability of the infusion pump during use and saves costs.

Referring to FIG. 5 and FIG. 8 , in this embodiment, the installation undercut 120 includes a first undercut 121 and a second undercut 122 , and the movable swing arm 150 is located between the first undercut 121 and the second undercut 122 . Between the second undercuts 122 ; when multiple infusion pumps are stacked, the outer surfaces of the first undercuts 121 , the movable swing arm 150 , and the second undercuts 122 are flush. It can be understood that, during the stacking process of the infusion pumps, the first inversion 121 of the previous infusion pump slides against the guide groove 110 of the next infusion pump. When the first inversion 121 slides to the bottom , the movable swing arm 150 of the previous infusion pump also enters the guide groove 110, the movable swing arm 150 is squeezed by the next infusion pump and stretches out, and the second inverted buckle 122 of the previous infusion pump It also enters the guide groove 110 of the next infusion pump; when it reaches a certain position, the movable swing arm 150 is automatically reset, so that the clamping block 151 is clamped into the clamping groove 111, and the stacking of the infusion pump is completed.

Referring to FIG. 7, in order to ensure the automatic locking of the movable swing arm 150, in this embodiment, the pump body 100 is provided with a groove 130, and an elastic member 140 is installed in the groove 130, and the movable swing arm 150 In contact with the elastic member 140 , the movable swing arm 150 makes the locking block 151 snap into the locking slot 111 under the action of the elastic member 140 .

It can be understood that the elastic member 140 can be made of various materials, including but not limited to springs, rubbers, and the like. When the installation buckle 120 of the previous infusion pump slides into the guide groove 110 of the next infusion pump, the movable swing arm 150 is stretched out due to being squeezed. When the block 151 of the movable swing arm 150 reaches the guide groove When the position of the slot 111 in the 110 is set, the movable arm 150 is inserted into the slot 111 of the guide slot 110 with the movement of the movable arm 150 under the action of the deformation force of the elastic member 140 . The way of switching the movable swing arm 150 includes, but is not limited to, rotation, translation, etc., as long as the locking block 151 of the movable swing arm 150 can be automatically locked.

Referring to FIGS. 5 to 8 , in this embodiment, the pump body 100 is provided with a positioning shaft 160 , the positioning shaft 160 is provided corresponding to the elastic member 140 , and the movable swing arm 150 is provided with a rotating shaft 153, the rotating shaft 153 is rotatably sleeved on the positioning shaft 160; the movable swing arm 150 has an abutting portion 154 abutting with the elastic member 140, and the rotating shaft 153 is located in the abutting portion 153. part 154 and the blocking block 151 .

It can be understood that the movable swing arm 150 can rotate around the positioning shaft 160. When the block 151 in the movable swing arm 150 protrudes out of the clamping slot 111 in the guide groove 110, the abutting portion 154 of the movable swing arm 150 is pressed against The elastic member 140 and the abutting portion 154 are subjected to the deformation force of the elastic member 140 at this time. As the installation of the previous infusion pump 120 is continuously pushed backward and forward to a certain position, the abutting portion 154 is released, and the movable pendulum is moved. The arm 150 is rotated by the deformation force of the elastic member 140, and the clamping block 151 extends into the clamping slot 111 to realize the stacking self-locking of the infusion pump.

Please refer to FIG. 7 , FIG. 10 and FIG. 11 , in this embodiment, the elastic member 140 is a spring, the abutting portion 154 is protruded with a positioning boss 155 , and the spring is sleeved on the positioning boss 155 The outer circumference of the spring is in contact with the abutting portion 154 . A force can be applied to the abutting portion 154 of the movable swing arm 150 by the compression deformation of the spring to realize automatic locking between the infusion pumps. The spring is positioned by the positioning boss 155 to ensure that the acting force of the spring is complete and the spring will not move around, so that the deformation and elastic force 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 provided on the side of the movable swing arm 150 away from the elastic member 140 . , 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 against the elastic member 140 to produce elastic deformation, and at the same time, the clamping block 151 protrudes from the clamping slot 111, and the infusion pump is horizontal from front to back. Push to remove the infusion pump stack. In order to increase the user's comfort in pressing the convex hull 152, further, in this embodiment, the convex hull 152 is provided in a curved surface shape. If the convex hull 152 has sharp corners, the generated stress is too concentrated, reducing the user's comfort. The convex hull 152 is arranged in a curved surface without sharp corners, and the generated stress is minimal, which increases the user's comfort when removing the stacked pump, and the convex hull 152 is more prone to elastic deformation than other shapes.

Referring to FIG. 5 to FIG. 8 , in this embodiment, when the blocking block 151 extends out of the blocking slot 111 , the spring is in a compressed state. It can be understood that when the block 151 on the movable swing arm 150 extends out of the clamping slot 111, the compression of the spring will always give the movable swing arm 150 a deformation buffer force. The movable swing arm 150 is oscillated by the spring, thereby driving the clamping block 151 to be clamped into the clamping slot 111 . Of course, in other embodiments, the spring may always be in a compressed state.

Referring to FIG. 8 , in this embodiment, the first undercut 121 and the second undercut 122 are both bent inwardly to form an undercut portion 123 that can be snapped into the guide groove 110 . The undercut portion 123 is adapted to the shape of the guide groove 110 . During the stacking process of the infusion pump, the undercut portion 123 can be used to snap into the slot hole of the guide groove 110 .

Continuing to refer to FIG. 8 , in this embodiment, the locking block 151 is formed by bending the movable swing arm 150 inward, and the length of the locking block 151 extending inward is greater than the inward extending length of the undercut portion 123 . length. It can be understood that the clamping groove 111 in the guide groove 110 is formed by the inward depression of the guiding groove 110 , and the inward extension of the clamping block 151 is greater than the inward extension length of the undercut portion 123 , that is, the clamping block 151 protrudes to install the undercut. 120, in this way, it can be ensured that the clamping block 151 is stuck in the clamping slot 111, and the infusion pump to be stacked is limited in the front and rear directions, so as to ensure the practicability of stacking the infusion pump.

In this embodiment, the infusion pump is one of the syringe pump 102 or the infusion pump 101 . When any multiple infusion pumps are stacked, the multiple infusion pumps may be multiple infusion pumps 101 , multiple syringe pumps 102 , or a combination of syringe pumps 102 and infusion pumps 101 . Not limited by the type of infusion pump, flexibly use its own structural properties to achieve stacking.

Please refer to FIG. 1 to FIG. 11 , in combination with all the above-mentioned embodiments, when multiple infusion pumps are stacked, the installation inversion 120 of the previous infusion pump is aligned with the guide groove 110 of the next infusion pump. Push it forward horizontally, slide it to the end limit of the guide groove 110 of the next infusion pump through the installation inversion 120 of the previous infusion pump, and stop until the block 151 of the movable swing arm 150 of the previous infusion pump Slide it into the slot 111 in the guide slot 110 of the next infusion pump to limit the position in all directions to complete the stacking. When it is necessary to release the stacked pump, the convex hull 152 on the movable swing arm 150 can be pressed by hand, and the stacked infusion pump can be disassembled by pushing from front to back. In this form, there is no need for an additional workstation for disassembly, saving costs.

The above descriptions are only optional embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the inventive concept of the present invention, any equivalent structural transformations made by using the contents of the description and drawings of the present invention, or direct/indirect Applications in other related technical fields are included in the scope of patent protection of the present invention.

Claims (10)

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;

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.

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;

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.

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;

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.

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.

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