CN220588690U - Drip-proof transfusion needle - Google Patents

Drip-proof transfusion needle Download PDF

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Publication number
CN220588690U
CN220588690U CN202321569146.9U CN202321569146U CN220588690U CN 220588690 U CN220588690 U CN 220588690U CN 202321569146 U CN202321569146 U CN 202321569146U CN 220588690 U CN220588690 U CN 220588690U
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China
Prior art keywords
connecting rod
groove
sealing
conical
liquid medicine
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Active
Application number
CN202321569146.9U
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Chinese (zh)
Inventor
祁超
徐敏
李晶
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Wuhan University WHU
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Wuhan University WHU
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Priority to CN202321569146.9U priority Critical patent/CN220588690U/en
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Abstract

The utility model relates to the technical field of infusion apparatuses, in particular to an anti-drop infusion needle head, which comprises: sealing the base; the first connecting rod and the buzzer are respectively and fixedly arranged at two ends of the sealing base; a second link slidably disposed within the first link; the trigger button is fixedly arranged on the sealing base and is electrically connected with the buzzer; a tapered seal member slidably provided along one end of the first link to the other end; and the sealing base is fixedly arranged on the sealing base through an annular sealing piece. According to the anti-drip transfusion needle provided by the utility model, the conical sealing piece, the first connecting rod and the second connecting rod are inserted into the liquid medicine bottle, the second connecting rod floats upwards, the conical sealing piece floats upwards, the liquid medicine is conveyed downwards, the conical sealing piece and the second connecting rod descend, the liquid medicine conveying is completed, the conical sealing piece is attached and sealed with the annular sealing piece, the second connecting rod is attached and sealed with the first connecting rod, blood backflow is blocked, and the conical sealing piece triggers the buzzer to alarm.

Description

Drip-proof transfusion needle
Technical Field
The utility model relates to the technical field of infusion apparatuses, in particular to an anti-drop infusion needle.
Background
In the existing nursing work, clinical transfusion is a very common operation, when a common drip-proof transfusion device is difficult to infuse for a patient, the liquid left on the bottle mouth is completely infused, and when different doses of liquid medicine are configured, the time length for delivering the liquid medicine is different, so that a message cannot be received in time after the transfusion is completed, the workload of nursing staff is increased, and the working efficiency is reduced.
Disclosure of Invention
The utility model aims to provide an anti-drop infusion needle which is used for solving the problems.
In order to achieve the above object, the present utility model provides the following technical solutions: an anti-drip infusion needle, comprising:
sealing the base;
the first connecting rod and the buzzer are respectively and fixedly arranged at two ends of the sealing base;
a second link slidably disposed within the first link;
the trigger button is fixedly arranged on the sealing base and is electrically connected with the buzzer;
the conical sealing piece is arranged along one end of the first connecting rod in a sliding way to the other end, and is in abutting fit with the trigger button;
the annular sealing piece is fixedly arranged on the sealing base and is matched with the conical sealing piece in a clamping way.
Preferably, the sealing base is provided with a first through groove, the first connecting rod is provided with a second through groove, and the second through groove is communicated with the first through groove;
a third through groove is formed in the second connecting rod, and the third through groove is communicated with the second through groove.
Preferably, the sealing base is provided with first through holes which are arranged in a circumferential array and are positioned between the first connecting rod and the annular sealing piece;
one end of the first connecting rod is provided with a second through hole which is arranged in a circumferential array, and the second through hole is communicated with the second through groove;
the second connecting rod is arranged in the second through groove in a sliding mode.
Preferably, one end of the second connecting rod is fixedly provided with a conical floating block, and the conical floating block is attached to the first connecting rod;
and the second connecting rod is provided with liquid leakage holes which are arranged in a circumferential array, and the liquid leakage holes are communicated with the third through groove.
Preferably, the wide mouth of the conical sealing element is provided with an annular groove, an annular sealing gasket is fixedly arranged in the annular groove, and the annular sealing gasket is in clamping fit with the annular sealing element.
Preferably, the sealing base is fixedly provided with an insertion pipe, and the insertion pipe is communicated with the first through hole and the first through groove.
In the technical scheme, the anti-drip infusion needle provided by the utility model has the following beneficial effects: the conical sealing piece, the first connecting rod, the second connecting rod and the trigger button on the sealing base are inserted into the liquid medicine bottle simultaneously, the second connecting rod floats upwards after the insertion of the liquid medicine, the conical sealing piece floats upwards along with the second connecting rod, when the liquid medicine descends, the conical sealing piece and the second connecting rod descend simultaneously, when the liquid medicine conveying is completed, the conical sealing piece is attached to the annular sealing piece on the sealing base for sealing, the second connecting rod is attached to the first connecting rod for sealing, blood backflow is blocked, and the conical sealing piece triggers the buzzer for alarming.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of the whole structure according to the embodiment of the present utility model;
FIG. 3 is a schematic view of the overall bottom view structure provided by the embodiment of the utility model;
FIG. 4 is a schematic view of an infusion set according to an embodiment of the disclosure;
fig. 5 is a schematic structural diagram of a second connecting rod according to an embodiment of the present utility model.
Reference numerals illustrate:
1. sealing the base; 2. a first link; 3. a conical seal; 4. conical floating blocks; 5. a buzzer; 6. a connecting pipe is inserted; 13. a first through hole; 14. an annular seal; 15. a first through groove; 21. a second through hole; 22. a second through slot; 31. an annular groove; 32. an annular gasket; 41. a second link; 42. a weeping hole; 43. a third through slot; 51. triggering the button.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-5, an anti-drip infusion needle, comprising:
a sealing base 1;
the first connecting rod 2 and the buzzer 5 are respectively and fixedly arranged at two ends of the sealing base 1;
a second link 41 slidably provided in the first link 2;
the trigger button 51 is fixedly arranged on the sealing base 1 and is electrically connected with the buzzer 5;
a taper seal 3 slidably provided along one end of the first link 2 toward the other end thereof, and abutting-fitted with the trigger button 51;
the annular sealing piece 14 is fixedly arranged on the sealing base 1 and is matched with the conical sealing piece 3 in a clamping way.
Specifically, as can be seen from fig. 1 to fig. 4, the conical sealing member 3, the first connecting rod 2, the second connecting rod 41 and the trigger button 51 on the sealing base 1 are simultaneously inserted into the liquid medicine bottle, so that the inserted second connecting rod 41 floats up in the liquid medicine bottle along with the air in the liquid medicine, and the second connecting rod 41 conveys the liquid medicine.
Secondly, as can be seen from fig. 1 to 4, the conical sealing member 3 located in the liquid medicine bottle also floats up along with the second connecting rod 41, so that the second connecting rod 41 can serve as a guide rod of the conical sealing member 3, and when the liquid medicine descends, the conical sealing member 3 and the second connecting rod 41 descend simultaneously along with the liquid medicine.
Further, as can be seen from fig. 1 to 4, when the liquid medicine is completely delivered, the conical sealing member 3 is guided to be in fit sealing with the annular sealing member 14 through the first connecting rod 2 and the second connecting rod 41, and the second connecting rod 41 is in fit sealing with the first connecting rod 2 to block the blood backflow in the infusion tube, and when the conical sealing member 3 is in fit sealing with the annular sealing member 14, the triggering button 51 in the liquid medicine bottle is triggered to enable the buzzer 5 to alarm.
In the above technical scheme, insert in the liquid medicine bottle simultaneously through conical seal spare 3, first connecting rod 2 and second connecting rod 41 and trigger button 51 on the seal base 1, second connecting rod 41 come up the liquid medicine and carry after inserting, conical seal spare 3 comes up along with second connecting rod 41 simultaneously, when the liquid medicine descends, conical seal spare 3 and second connecting rod 41 descend simultaneously, when the liquid medicine carries to accomplish, conical seal spare 3 and the annular seal spare 14 laminating on the seal base 1 seal, second connecting rod 41 and the laminating of first connecting rod 2 seal, block blood backward flow, moreover conical seal spare 3 triggers the alarm of bee calling organ 5.
As a further provided embodiment of the present utility model, the sealing base 1 is provided with a first through groove 15, the first connecting rod 2 is provided with a second through groove 22, and the second through groove 22 is communicated with the first through groove 15;
the second connecting rod 41 is provided with a third through groove 43, and the third through groove 43 is communicated with the second through groove 22.
Secondly, a first through hole 13 which is arranged in a circumferential array is formed in the sealing base 1 and is positioned between the first connecting rod 2 and the annular sealing piece 14;
one end of the first connecting rod 2 is provided with a second through hole 21 which is arranged in a circumferential array, and the second through hole 21 is communicated with a second through groove 22;
the second link 41 is slidably disposed in the second through slot 22.
Further, one end of the second connecting rod 41 is fixedly provided with a conical floating block 4, and the conical floating block 4 is attached to the first connecting rod 2;
the second connecting rod 41 is provided with liquid leakage holes 42 arranged in a circumferential array, and the liquid leakage holes 42 are communicated with a third through groove 43.
Specifically, as can be seen from fig. 2 to 5, the first connecting rod 2 and the second connecting rod 41 are inserted into the liquid medicine bottle through the tapered floating block 4, the second connecting rod 41 slides in the second through groove 22 through the buoyancy of the tapered floating block 4, so that the second connecting rod 41 can float up in the liquid medicine bottle, and the floating second connecting rod 41 guides the liquid medicine in the liquid medicine bottle into the third through groove 43 through the liquid leakage hole 42, so that the liquid medicine flows to the first through groove 15.
Secondly, as can be seen from fig. 2 to 5, after the second connecting rod 41 floats upwards, the second through hole 21 can also guide the liquid medicine, so that the liquid medicine flows into the first through groove 15, and the conical sealing member 3 floats upwards and then is in a joint sealing state with the annular sealing member 14, so that the first through hole 13 guides the liquid medicine, and the output of the infusion amount is ensured.
Further, as can be seen from fig. 2 to 5, when the liquid medicine in the liquid medicine bottle starts to descend, the second connecting rod 41 slides down towards the first connecting rod 2, so that the liquid leakage hole 42 is received in the second through groove 22, when the conical floating block 4 is attached to the first connecting rod 2, the conical floating block 4 seals the second through hole 21, and the liquid leakage hole 42 is completely received in the second through groove 22, at this time, the liquid medicine is infused through the conical sealing member 3, the liquid medicine continuously descends, so that the conical sealing member 3 also descends, and when the liquid medicine is too low, the conical sealing member 3 is matched with the annular sealing member 14, and the air pressure in the bottle causes the whole needle to form a siphon phenomenon to the liquid medicine, so that the liquid medicine is completely absorbed.
As an embodiment of the present utility model, the wide mouth of the conical sealing member 3 is provided with an annular groove 31, and an annular sealing gasket 32 is fixedly arranged in the annular groove 31, and the annular sealing gasket 32 is in clamping fit with the annular sealing member 14.
Secondly, the sealing base 1 is fixedly provided with a plug tube 6, and the plug tube 6 is communicated with the first through hole 13 and the first through groove 15.
Specifically, as can be seen from fig. 2 to 5, the liquid medicine flowing to the first through hole 13 and the first through groove 15 is conveyed into the infusion tube through the insertion tube 6 for infusion, and meanwhile, after the liquid medicine is completely absorbed, the conical sealing member 3 is attached and sealed with the annular sealing member 14 through the annular sealing gasket 32, so that the whole needle forms a closed space to prevent the infusion tube from carrying out blood reflux, and the conical sealing member 3 is abutted against the trigger button 51 for continuous alarm to prompt medical staff to replace the liquid medicine bottle.
Working principle: as can be seen from fig. 1 to 5, the needle body and the trigger button 5 are inserted into the liquid medicine bottle through the tapered floating block 4 and the tapered sealing member 3, so that the inserted second connecting rod 41 floats up in the liquid medicine bottle through the buoyancy of the tapered floating block 4 and the air in the liquid medicine, slides in the second through groove 22, and meanwhile, the tapered sealing member 3 also floats up along with the second connecting rod 41, so that the second connecting rod 41 can serve as a guide rod of the tapered sealing member 3, after the second connecting rod 41 floats up, the second through hole 21 can also guide the liquid medicine, so that the liquid medicine flows into the first through groove 15, and the tapered sealing member 3 floats up and then is released from the annular sealing member 14, so that the first through hole 13 guides the liquid medicine, and the liquid medicine flowing into the first through hole 13 and the first through groove 15 is conveyed into the infusion tube through the insertion tube 6 for infusion, when the liquid medicine in the liquid medicine bottle starts to descend, the second connecting rod 41 slides downwards towards the first connecting rod 2, so that the liquid leakage hole 42 is received in the second through groove 22, when the conical floating block 4 is attached to the first connecting rod 2, the conical floating block 4 seals the second through hole 21, the liquid leakage hole 42 is completely received in the second through groove 22, at the moment, the liquid medicine is infused through the conical sealing element 3, the conical sealing element 3 descends continuously, when the liquid medicine is too low, the phenomenon of siphoning is formed on the whole needle head through the cooperation of the conical sealing element 3 and the annular sealing element 14 and the air pressure in the bottle, the liquid medicine is completely absorbed, after the liquid medicine is completely absorbed, the conical sealing element 3 is attached and sealed with the annular sealing element 14 through the annular sealing pad 32, so that the whole needle head forms a sealed space, the infusion tube is prevented from blood backflow, the conical sealing element 3 is abutted against the trigger button 51 to continuously alarm, prompting medical staff to replace the liquid medicine bottle.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. An anti-drip infusion needle, comprising:
a sealing base (1);
the first connecting rod (2) and the buzzer (5) are respectively and fixedly arranged at two ends of the sealing base (1);
a second link (41) slidably provided in the first link (2);
the trigger button (51) is fixedly arranged on the sealing base (1) and is electrically connected with the buzzer (5);
a tapered seal (3) which is slidably provided along one end of the first link (2) toward the other end and which is in abutting engagement with the trigger button (51);
the annular sealing piece (14) is fixedly arranged on the sealing base (1) and is in clamping fit with the conical sealing piece (3).
2. The drip-proof transfusion needle head as claimed in claim 1, wherein the sealing base (1) is provided with a first through groove (15), the first connecting rod (2) is provided with a second through groove (22), and the second through groove (22) is communicated with the first through groove (15);
a third through groove (43) is formed in the second connecting rod (41), and the third through groove (43) is communicated with the second through groove (22).
3. An anti-drip infusion needle according to claim 2, characterized in that the sealing base (1) is provided with first through holes (13) arranged in a circumferential array and located between the first connecting rod (2) and the annular sealing member (14);
one end of the first connecting rod (2) is provided with second through holes (21) which are arranged in a circumferential array, and the second through holes (21) are communicated with the second through grooves (22);
the second connecting rod (41) is arranged in the second through groove (22) in a sliding mode.
4. An anti-drip infusion needle according to claim 3, characterized in that one end of the second connecting rod (41) is fixedly provided with a conical floating block (4), and the conical floating block (4) is attached to the first connecting rod (2);
and the second connecting rod (41) is provided with liquid leakage holes (42) which are arranged in a circumferential array, and the liquid leakage holes (42) are communicated with the third through groove (43).
5. An anti-drip infusion needle according to claim 1, characterized in that the wide mouth of the conical sealing member (3) is provided with an annular groove (31), an annular sealing gasket (32) is fixedly arranged in the annular groove (31), and the annular sealing gasket (32) is in clamping fit with the annular sealing member (14).
6. An anti-drip infusion needle according to claim 1, characterized in that the sealing base (1) is fixedly provided with an insertion tube (6), and the insertion tube (6) is communicated with the first through hole (13) and the first through groove (15).
CN202321569146.9U 2023-06-20 2023-06-20 Drip-proof transfusion needle Active CN220588690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321569146.9U CN220588690U (en) 2023-06-20 2023-06-20 Drip-proof transfusion needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321569146.9U CN220588690U (en) 2023-06-20 2023-06-20 Drip-proof transfusion needle

Publications (1)

Publication Number Publication Date
CN220588690U true CN220588690U (en) 2024-03-15

Family

ID=90168060

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321569146.9U Active CN220588690U (en) 2023-06-20 2023-06-20 Drip-proof transfusion needle

Country Status (1)

Country Link
CN (1) CN220588690U (en)

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