CN215275043U

CN215275043U - Infusion device

Info

Publication number: CN215275043U
Application number: CN202120672496.2U
Authority: CN
Inventors: 牛红伟; 赵瑞华; 王凯; 郑向阳; 孙佳林; 李猛; 张英武; 贾岳珉; 崔二中; 郑晓婷; 王亚华; 李宁; 李佳; 张露
Original assignee: CETC 13 Research Institute
Current assignee: CETC 13 Research Institute
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-12-24
Anticipated expiration: 2031-04-01

Abstract

The utility model provides an infusion device, which comprises a fixed shell, a positioning piece and an extrusion component, wherein the fixed shell is internally provided with a containing cavity capable of containing an infusion bag, the fixed shell is provided with an opening part capable of enabling the infusion bag to pass in and out the containing cavity, and the fixed shell can be connected with a wearable carrier; the positioning piece is arranged in the accommodating cavity and used for fixing the infusion bag; the extrusion subassembly is located hold the intracavity, can exert the extrusion force to infusion bag. The utility model provides an infusion device realizes need not with the help of other people at the infusion in-process, can the free activity.

Description

Infusion device

Technical Field

The utility model belongs to the technical field of medical instrument, more specifically say, relate to an infusion set.

Background

Most of the existing transfusion devices need to place a transfusion bag at a higher position, and liquid medicine is infused into a human body by pressure difference generated by the height between the transfusion bag and the human body. However, the adoption of the mode has high requirements on the environment, the transfusion bag needs to be fixed at a high position by using the support frame, the action of a patient is limited in the process of transfusion, and the patient needs to be helped by other people when needing to replace liquid medicine or move the position, so that manpower and material resources are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an infusion set aims at realizing need not with the help of other people at the infusion in-process, can the free activity.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided an infusion device comprising:

the fixing shell is internally provided with an accommodating cavity capable of accommodating an infusion bag, the fixing shell is provided with an opening part capable of enabling the infusion bag to enter and exit the accommodating cavity, and the fixing shell can be connected to the wearable carrier;

the positioning piece is arranged in the accommodating cavity and used for fixing the infusion bag; and

the extrusion component is arranged in the accommodating cavity and can apply extrusion force to the infusion bag.

In one possible implementation, the extrusion assembly includes:

the pressure applying bag is arranged in the accommodating cavity and is provided with an inlet and an outlet; and

and the pressure applying driving part is arranged outside the fixed shell, is communicated with the inlet of the pressure applying bag through a connecting pipe and is used for conveying an extrusion medium into the pressure applying bag.

In a possible implementation manner, the extrusion assembly further includes an adjusting mechanism, and the adjusting mechanism is disposed on the connecting pipe and is used for adjusting the delivery flow rate of the extrusion medium.

In one possible implementation, the adjustment mechanism includes:

the storage bag is arranged on the connecting pipe and used for temporarily storing the extrusion medium output by the pressing driving piece; and

and the regulating valve is arranged on the connecting pipe between the storage bag and the pressure applying bag and used for regulating the conveying amount of the extrusion medium conveyed to the pressure applying bag.

In one possible implementation, the extrusion assembly includes:

the first fastening piece is in threaded connection with the fixed shell along the extrusion direction, one end of the first fastening piece extends into the accommodating cavity, and the other end of the first fastening piece extends out of the fixed shell; and

and the first extrusion piece is connected with the extending end of the first fastening piece and is used for contacting with an infusion bag.

In one possible implementation, the extrusion assembly includes:

one end of the second fastener penetrates through the fixed shell in a sliding mode along the extrusion direction, and the other end of the second fastener extends out of the fixed shell;

the second extrusion piece is connected with the extending end of the second fastening piece and is used for contacting with an infusion bag; and

the elastic piece is arranged between the second extrusion piece and the inner wall of the fixed shell, and the elastic piece is configured with pretightening force for enabling the second extrusion piece to be close to the infusion bag.

In one possible implementation, the fixing case includes:

a housing having an opening; and

the cover plate is covered on the opening and is enclosed with the shell to form the accommodating cavity, one side of the cover plate is rotatably connected with the shell, and the cover plate rotates around the shell to form the opening part.

In a possible implementation manner, the fixed shell further comprises a locking assembly, the locking assembly is rotatably arranged on the cover plate, the locking assembly is located on the shell and located in a locking hole which is formed in the shell and is opposite to the locking buckle, and the locking buckle penetrates through the locking hole and is in clamping fit with the shell so as to fix the cover plate on the shell.

In a possible implementation manner, the outer wall of the fixed shell is further provided with a hook for being hung on the wearable carrier.

In one possible implementation, the infusion device further includes a liquid level detection assembly, the liquid level detection assembly including:

the baffle is arranged in the accommodating cavity in a sliding manner along the extrusion direction and is positioned between the extrusion component and the infusion bag;

the displacement sensor is arranged on one side of the baffle plate, which is far away from the infusion bag, and can detect the distance between the baffle plate and the inner wall of the fixed shell;

the controller is arranged outside the fixed shell and is in communication connection with the displacement sensor; and

and the alarm is arranged outside the fixed shell and is in communication connection with the controller.

The utility model provides an infusion set's beneficial effect lies in: compared with the prior art, the utility model discloses infusion set holds the intracavity with infusion bag by the portion of opening is put into to it is fixed with infusion bag through the setting element, the liquid medicine in will infusion bag is extruded to infusion bag applied pressure to the extrusion subassembly. By adopting the structure, the infusion bag does not need to be placed at a higher position, the liquid in the infusion bag is discharged through the extrusion force, the production and installation costs of the fixing frame are saved, the requirement on the environment is lower, and the application range is wide. Meanwhile, the patient can move freely in the process of infusion, and does not need accompanying personnel, so that the labor is saved. The utility model discloses simple structure, low in production cost is honest and clean, suitable using widely.

Drawings

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

Fig. 1 is a schematic structural view of an infusion device according to a first embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of an infusion device according to a first embodiment of the present invention;

fig. 3 is a schematic view illustrating an infusion device according to an embodiment of the present invention in use;

FIG. 4 is a schematic bottom view of the infusion device of FIG. 1;

fig. 5 is a bottom view of the infusion device according to the second embodiment of the present invention;

fig. 6 is a bottom view of the infusion device according to the third embodiment of the present invention;

fig. 7 is a sectional view of the infusion set according to the fourth embodiment of the present invention;

fig. 8 is a side sectional view of a fixing case according to a fifth embodiment of the present invention;

fig. 9 is a schematic view of the flow of the extruding medium of the infusion set according to the first embodiment of the present invention.

In the figure: 1. a pressure applying driving member; 2. a connecting pipe; 3. a storage bag; 4. a housing; 5. adjusting a valve; 6. a discharge valve; 7. a stationary case; 701. a cover plate; 7011. a locking buckle; 702. a housing; 7021. a locking hole; 703. an accommodating chamber; 8. an infusion bag; 9. a pressure applying bag; 10. a wearable carrier; 11. a positioning member; 12. a second fastener; 13. a second extrusion sheet; 14. an elastic member; 15. a first fastener; 16. a baffle plate; 17. a displacement sensor; 18. an alarm; 19. a controller; 20. a first pressing sheet; 21. hooking; 22. and (4) a detection piece.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 9 together, the infusion device of the present invention will now be described. The infusion device comprises a fixed shell 7, a positioning piece 11 and an extrusion component, wherein an accommodating cavity 703 capable of accommodating an infusion bag 8 is formed in the fixed shell 7, the fixed shell 7 is provided with an opening part capable of enabling the infusion bag 8 to enter and exit the accommodating cavity 703, and the fixed shell 7 can be connected to a wearable carrier 10; the positioning piece 11 is arranged in the accommodating cavity 703 and used for fixing the infusion bag 8; the squeezing component is arranged in the accommodating cavity 703 and can apply squeezing force to the infusion bag 8.

The utility model provides an infusion set, compared with the prior art, the utility model discloses infusion set puts into infusion bag 8 by the portion of opening and holds chamber 703 in to fix infusion bag 8 through setting element 11, the liquid medicine in 8 with infusion bag is extruded to 8 exerted pressure of extrusion subassembly to infusion bag. By adopting the structure, the infusion bag 8 does not need to be placed at a higher position, the liquid in the infusion bag 8 is discharged through the extrusion force, the production and installation costs of the fixing frame are saved, the requirement on the environment is lower, and the application range is wide. Meanwhile, the patient can move freely in the process of infusion, and does not need accompanying personnel, so that the labor is saved. The utility model discloses simple structure, low in production cost is honest and clean, suitable using widely.

Specifically, the wearable carrier 10 may be the clothes of the patient himself, and the fixing shell 7 and other components can be placed in the pocket of the clothes; a dedicated wearable carrier 10 may also be provided for holding the device, such as a dedicated vest, for ease of donning by the patient.

Optionally, the fixed shell 7 is a transparent component, so that the liquid level allowance of the liquid medicine in the infusion bag 8 can be observed conveniently.

Optionally, the top of the fixed housing 7 has an opening through which the infusion bag 8 enters and exits the accommodation chamber 703.

In some embodiments, referring to fig. 1-4, the pressing assembly comprises a pressing bag 9 and a pressing driving member 1, the pressing bag 9 is disposed in the accommodating cavity 703, and the pressing bag 9 has an inlet and an outlet; the pressure applying driving piece 1 is arranged outside the fixed shell 7 and is communicated with an inlet of the pressure applying bag 9 through a connecting pipe 2, and is used for conveying the extrusion medium into the pressure applying bag 9.

The pressing medium is conveyed into the pressing bag 9 through the pressing driving piece 1, and the pressing medium is introduced into the pressing bag 9 to expand the volume of the pressing bag 9, so that the pressing bag 9 applies pressing force to the infusion bag 8, and the liquid medicine in the infusion bag 8 is discharged. The infusion bag has a simple structure, when a patient conducts infusion, the pressure applying driving piece 1 can be started by himself to fill the pressure applying bag 9 with the extrusion medium, the help of others is not needed, and the operation is simple.

Optionally, the pressure applying driving member 1 is an air bag, the extrusion medium is air, the air bag is extruded by one-hand operation of the patient to fill air into the pressure applying bag 9, the volume of the pressure applying bag 9 can be enlarged, the infusion bag 8 is extruded, the air is filled into the pressure applying bag 9 and then is uniformly distributed in the pressure applying bag 9, and pressure can be uniformly applied to all parts of the infusion bag 8.

Optionally, the pressing driving member 1 includes a liquid tank and a delivery pump, the pressing medium is liquid, and the liquid in the liquid tank is delivered into the pressing bag 9 by the delivery pump.

Optionally, the positioning member 11 may be a positioning column or a hook, and is hooked with the infusion bag 8.

In some embodiments, referring to fig. 1 to 4, the extrusion assembly further includes an adjusting mechanism disposed on the connecting pipe 2 for adjusting the delivery flow rate of the extrusion medium.

In this embodiment, the pressing driving member 1 conveys the extrusion medium into the adjusting mechanism, and the adjusting mechanism conveys the extrusion medium into the pressing bag 9, so that the storage of the extrusion medium can be completed by starting the pressing driving member 1 once, and the pressing driving member 1 does not need to be started all the time, thereby reducing the labor amount. Meanwhile, the adjusting mechanism can enable the infusion bag 8 to be stressed uniformly, and the phenomenon that the liquid in the infusion bag 8 flows out too fast to cause discomfort of a patient due to too much extrusion medium conveyed into the pressure applying bag 9 at one time or the infusion bag 8 bursts due to too much extrusion force is avoided.

In some embodiments, referring to fig. 1 to 4, the adjusting mechanism includes a storage bag 3 and an adjusting valve 5, the storage bag 3 is disposed on the connecting pipe 2 for temporarily storing the extrusion medium output by the pressing driving member 1; the regulating valve 5 is provided on the connecting tube 2 between the storage bag 3 and the pressing bag 9, and is used for regulating the delivery amount of the pressing medium to the pressing bag 9.

The pressing driving piece 1 conveys the extrusion medium into the storage bag 3 firstly, the storage bag 3 temporarily stores the extrusion medium, and the pressing bag 9 can be uniformly conveyed with the extrusion medium through the regulating valve 5, so that the uniform pressing infusion bag 8 of the pressing bag 9 can be ensured, and the liquid medicine can be uniformly discharged. According to specific conditions, the output quantity of the extrusion medium is controlled by adjusting the regulating valve 5, so that the control of the discharge speed of the liquid medicine is completed.

Optionally, a discharge valve 6 is provided on the connection tube 2, and the pressing medium in the pressing bag 9 can be discharged by opening the discharge valve 6.

Optionally, an outer shell 4 is provided outside the storage bag 3 for protecting the storage bag 3.

Alternatively, referring to fig. 9, the connection pipe 2 is provided with a detection member 22 capable of detecting the pressure inside the connection pipe 2.

In some embodiments, referring to fig. 6 and fig. 9, the pressing assembly includes a first fastening member 15 and a first pressing plate 20, the first fastening member 15 is screwed with the fixing housing 7 along the pressing direction, one end of the first fastening member 15 extends into the accommodating cavity 703, and the other end extends out of the fixing housing 7; the first pressing piece 20 is connected to the projecting end of the first fastening member 15 for contacting the infusion bag 8.

The first fastening piece 15 is screwed out, the infusion bag 8 is placed in the accommodating cavity 703, the first fastening piece 15 is screwed until the first pressing piece 20 is in contact with the infusion bag 8, the screwing amount of the first fastening piece 15 is continuously adjusted to enable the first pressing piece 20 to apply pressing force to the infusion bag 8, the liquid medicine is discharged from the infusion bag 8, when the outflow speed of the liquid medicine is reduced, the first fastening piece 15 is screwed again, and the process is repeated until the liquid medicine in the infusion bag 8 is completely discharged. The patient can realize the extrusion to infusion bag 8 by one-hand operation, simple structure, convenient operation.

Note that, in fig. 9, the lateral arrows indicate the extrusion direction, and the longitudinal arrows indicate the flow direction of the extrusion medium.

In some embodiments, referring to fig. 5, the pressing assembly includes a second fastening member 12, a second pressing sheet 13 and an elastic member 14, one end of the second fastening member 12 is slidably disposed through the fixing housing 7 along the pressing direction, and the other end extends out of the fixing housing 7; the second extrusion piece 13 is connected with the extending end of the second fastening piece 12 and is used for contacting with the infusion bag 8; the elastic piece 14 is arranged between the second extrusion piece 13 and the inner wall of the fixed shell 7, and the elastic piece 14 is configured with a pre-tightening force for enabling the second extrusion piece 13 to be close to the infusion bag 8.

The second fastening member 12 is pulled out of the housing 702, the elastic member 14 is compressed, the infusion bag 8 is placed in the accommodating cavity 703, then the second fastening member 12 is loosened, the elastic member 14 recovers the elastic force, the second pressing piece 13 applies a pressing force to the infusion bag 8, and the medical fluid is discharged from the infusion bag 8. In the process that the liquid medicine is continuously discharged, the volume of the infusion bag 8 is reduced, the second extrusion sheet 13 automatically applies pressure to the infusion bag 8 under the action of the elastic piece 14, external force application is not needed, the operation flow is simplified, and the use is more convenient.

Specifically, the elastic force exerted by the elastic member 14 is within the tolerance range of the infusion bag 8, and the infusion bag 8 is not damaged.

Optionally, the resilient member 14 is a spring.

In some embodiments, referring to fig. 1 to 7, the fixing housing 7 includes a housing 702 and a cover plate 701, the housing 702 has an opening; the cover plate 701 covers the opening and encloses with the housing 702 to form an accommodating cavity 703, one side of the cover plate 701 is rotatably connected with the housing 702, and the cover plate 701 rotates around the housing 702 to form an opening part.

The cover plate 701 is turned outwards to expose the opening part, so that the infusion bag 8 is convenient to take and place. By adopting the structure, the structure is simple, the infusion bag 8 is convenient to take and place, and the manpower is saved.

Optionally, the positioning member 11 is disposed on the housing 702 or the cover plate 701. In fig. 2, the positioning member 11 is provided on the cover plate 701.

In some embodiments, referring to fig. 1 to 6 and fig. 8, the fixing housing 7 further includes a locking assembly, the locking assembly includes a locking buckle 7011 rotatably disposed on the cover plate 701 and a locking hole 7021 located on the housing 702 and opposite to the locking buckle 7011, and the locking buckle 7011 passes through the locking hole 7021 to be snap-fitted to the housing 702, so as to fix the cover plate 701 to the housing 702.

The locking hole 7021 is matched with the locking buckle 7011 in a clamping manner to fix the cover plate 701 on the shell 702, and the infusion bag 8 and the extrusion assembly are located in a relatively closed space, so that the infusion bag 8 or the extrusion assembly is prevented from being damaged by members in the external environment. Meanwhile, the phenomenon that the discharge amount of the liquid medicine is influenced by mistakenly touching the extrusion assembly is also avoided. And this structural connection is convenient, and the mode of joint can be connected or separate apron 701 and casing 702 fast, convenient operation. In some embodiments, referring to fig. 1 to 4, the outer wall of the fixing shell 7 is further provided with a hook 21 for hanging on the wearable carrier 10.

The fixing shell 7 is hooked with the wearable carrier 10 of the patient or other objects through the hook 21, so that the fixing of the fixing shell 7 is conveniently realized. And the hanging mode is adopted, so that the assembly and disassembly are convenient, and the installation efficiency is improved.

In some embodiments, referring to fig. 7, the infusion apparatus further includes a liquid level detection assembly, the liquid level detection assembly includes a baffle 16, a displacement sensor 17, a controller 19 and an alarm 18, the baffle 16 is slidably disposed in the accommodating cavity 703 along the squeezing direction and located between the squeezing assembly and the infusion bag 8; the displacement sensor 17 is arranged on one side of the baffle 16, which is far away from the infusion bag 8, and can detect the distance between the baffle 16 and the inner wall of the fixed shell 7; the controller 19 is arranged outside the fixed shell 7 and is in communication connection with the displacement sensor 17; the alarm 18 is arranged outside the fixed shell 7 and is in communication connection with the controller 19.

After the liquid medicine in the infusion bag 8 is continuously discharged, the volume of the infusion bag 8 is reduced, the baffle 16 gradually slides towards the inner wall of the fixed shell 7 close to one side of the infusion bag 8, the displacement sensor 17 is far away from the inner wall, close to the squeezing component, on the fixed shell 7, the displacement sensor 17 sends out a warning signal to the controller 19 when detecting that the distance between the displacement sensor 17 and the inner wall of the fixed shell 7 is larger than a preset value, the controller 19 receives the warning signal sent out by the displacement sensor 17 and sends out a warning signal to the alarm 18, the alarm 18 sends out an alarm after receiving the warning signal sent out by the controller 19, and a patient is informed to replace the infusion bag 8 or pull out the needle.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An infusion device, comprising:

2. The infusion device as claimed in claim 1, wherein said compression assembly comprises:

3. The infusion device as claimed in claim 2, wherein said expression assembly further comprises an adjustment mechanism disposed on said connecting tube for adjusting the delivery flow rate of said expression medium.

4. The infusion device as claimed in claim 3, wherein said adjustment mechanism comprises:

5. The infusion device as claimed in claim 1, wherein said compression assembly comprises:

6. The infusion device as claimed in claim 1, wherein said compression assembly comprises:

7. The infusion device as claimed in claim 1, wherein said stationary housing comprises:

a housing having an opening; and

8. The infusion set as claimed in claim 7, wherein the fixing case further comprises a locking assembly, the locking assembly comprises a locking buckle rotatably disposed on the cover plate and a locking hole disposed on the housing opposite to the locking buckle, and the locking buckle passes through the locking hole to be snap-fitted to the housing, so as to fix the cover plate to the housing.

9. The infusion device as claimed in claim 1, wherein the outer wall of the stationary housing is further provided with a hook for hooking to the wearable carrier.

10. The infusion device as claimed in claim 1, further comprising a level detection assembly, said level detection assembly comprising: