CN216061537U - Disposable indwelling needle tube washing capsule - Google Patents
Disposable indwelling needle tube washing capsule Download PDFInfo
- Publication number
- CN216061537U CN216061537U CN202121541086.0U CN202121541086U CN216061537U CN 216061537 U CN216061537 U CN 216061537U CN 202121541086 U CN202121541086 U CN 202121541086U CN 216061537 U CN216061537 U CN 216061537U
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- CN
- China
- Prior art keywords
- liquid storage
- storage bag
- indwelling needle
- liquid
- disposable
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
Abstract
The utility model discloses a disposable indwelling needle washing tube capsule which comprises a liquid storage bag, wherein a conical liquid outlet nozzle capable of being in butt joint with an indwelling needle and the like is arranged on the liquid storage bag, the liquid storage bag is in an expanded state in a normal state and can be contracted, the disposable indwelling needle washing tube capsule also comprises an end cover used for covering the liquid outlet nozzle, the end cover can be taken down when in use, the liquid storage bag is connected with a buckle structure, and after the liquid storage bag is compressed to extrude liquid in the liquid storage bag, the liquid storage bag is kept in a contracted state under the limiting action of the buckle structure. Adopt collapsible bloated big reservoir bag to store normal saline or heparin and receive solution etc. the liquid outlet nozzle is direct with keeping somewhere the needle butt joint, and the pipe just can be kept somewhere in liquid injection to the extrusion reservoir bag, carries out the washing pipe operation to keeping somewhere the needle, and buckle structure limits the reservoir bag, can prevent that the reservoir bag is bloated to contract greatly, guarantees to keep somewhere sufficient pressure in the needle, uses safe and reliable more to the reservoir bag simple structure, the cost is low, saves treatment cost and medical waste treatment space.
Description
Technical Field
The utility model relates to a disposable indwelling needle washing tube capsule.
Background
The venous indwelling needle is also called as a venous trocar, the use of the indwelling needle can reduce the pain of a patient caused by repeated venipuncture and the fear of the patient to the injection, protect blood vessels, facilitate clinical medication, reduce the workload of nurses, and is widely applied clinically. It is known that, when clinical transfusion is finished, since the medical solution is not continuously infused into the vein of a patient, after a nurse pulls out a transfusion needle from an indwelling needle, blood in the vein of the patient easily flows back into the indwelling needle, at this time, in order to avoid blood flow backflow, the nurse injects physiological saline or heparin sodium solution into the indwelling needle in a pulse mode, and the blood is flushed back into the vein by the physiological saline or heparin sodium solution, so that blood backflow and tube blockage are prevented. The normal saline and the heparin sodium solution are generally injected through a traditional needle tube, for example, the utility model patent of the publication number CN204815148U also discloses an injection tube used in cooperation with an indwelling needle, the injection tube comprises a hollow tube, a connecting tube and a push rod, a leading-in tube communicated with the hollow tube is arranged in the connecting tube, the push rod is used for pushing out the normal saline in the hollow tube when in use, and the normal saline enters the indwelling needle through the leading-in tube. However, both the syringe and the common needle tube have complicated structures and high cost, and require a nurse to prepare the liquid, thereby increasing the operation of the nurse and the treatment cost of the patient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a disposable indwelling needle washing tube capsule, which overcomes the defects of the background technology. The technical scheme adopted by the utility model for solving the technical problems is as follows:
the disposable indwelling needle washing tube capsule comprises a liquid storage bag, wherein a conical liquid outlet nozzle capable of being in butt joint with an indwelling needle is arranged at the upper end of the liquid storage bag, the liquid storage bag is in an expanded state in a normal state and is contractible, the disposable indwelling needle washing tube capsule further comprises an end cover used for covering the liquid outlet nozzle, the end cover can be taken down when in use, the liquid storage bag is connected with a buckle structure, and after the liquid storage bag is compressed to extrude liquid in the liquid storage bag, the liquid storage bag is kept in a contracted state under the limiting effect of the buckle structure.
In a preferred embodiment: the liquid storage bag is of a corrugated pipe structure, the liquid outlet nozzle is arranged on the upper end face of the liquid storage bag and pushes the liquid storage bag upwards, and the lower end face of the liquid storage bag can be compressed.
In a preferred embodiment: the inner surface of the lower end face of the liquid storage bag is provided with a clamping block protruding upwards in the middle, the cross section of the clamping block is in a dovetail groove shape, a buckling edge is formed at the edge of the top end of the clamping block, a convex rib is arranged on the inner wall of the liquid outlet nozzle corresponding to the buckling edge, the buckling edge and the convex rib are clamped together after the liquid storage bag is extruded, and the buckling edge and the convex rib form the buckling structure.
In a preferred embodiment: the liquid storage bag is integrally formed by blow molding; the liquid storage bag is of a transparent structure; and the liquid storage bag is provided with a mark frame.
In a preferred embodiment: the upper end face of the liquid storage bag is connected with an upper shell extending outwards in the lateral direction, the lower end face of the liquid storage bag is connected with a lower shell extending outwards in the lateral direction, the upper shell and the lower shell are provided with a clamping block and a clamping groove which can be mutually fastened, and the liquid storage bag is extruded, the clamping block is connected with the clamping groove in a clamped mode, and the clamping block and the clamping groove form a clamping structure.
In a preferred embodiment: the upper and lower cases are in the shape of caps.
In a preferred embodiment: the upper shell is provided with a clamping groove, and the lower shell is provided with a clamping block; the clamping grooves are two and are bilaterally symmetrical, and the clamping blocks are two and are bilaterally symmetrical.
In a preferred embodiment: the draw-in groove is a plurality of, the fixture block carries out the joint according to the extrusion the difference of reservoir degree and draw-in groove on the different positions.
In a preferred embodiment: the buckle structure is a rubber band connected to the upper end face of the liquid storage bag, and after the liquid storage bag is extruded, the lower end face of the liquid storage bag is sleeved with the rubber band.
In a preferred embodiment: the number of the rubber bands is two, and the rubber bands are arranged symmetrically left and right.
In a preferred embodiment: the hardness of the middle part of the side wall of the liquid storage bag is greater than the hardness of the upper part and the lower part of the side wall, and the liquid outlet nozzle is arranged at the middle part of the side wall of the liquid storage bag.
In a preferred embodiment: the upper part and the lower part of the side wall of the liquid storage bag are of corrugated pipe structures, the upper part and the lower part of the side wall of the liquid storage bag are respectively provided with a hook, the upper end and the lower end of the middle part of the side wall of the liquid storage bag are respectively provided with a buckling edge corresponding to the two hooks, the hooks are buckled with the buckling edges after the liquid storage bag is extruded, and the hooks and the buckling edges form the buckling structure.
Compared with the background technology, the technical scheme has the following advantages:
adopt collapsible bloated big reservoir bag to store normal saline or heparin and receive solution, the liquid outlet nozzle is direct with keeping somewhere the needle butt joint, and the pipe is kept somewhere in the liquid injection that the extrusion reservoir bag just can be with liquid injection, carries out the washing pipe operation to keeping somewhere the needle, and buckle structure limits the reservoir bag in addition, can prevent that the reservoir bag is bloated to contract back greatly, guarantees to keep somewhere sufficient pressure in the needle, uses safe and reliable more to the reservoir bag simple structure, the cost is low, can save the treatment cost. The volume of the liquid storage bag is reduced after the liquid storage bag is used, and the medical waste treatment space is saved.
Drawings
The utility model is further illustrated by the following figures and examples.
Fig. 1 shows a perspective view of a disposable indwelling needle wash tube capsule (reservoir inflated state).
Fig. 2 is a perspective view showing the liquid compressed and squeezed by the reservoir of the disposable indwelling needle washing capsule.
FIG. 3 is a schematic sectional view showing the liquid squeezed out by the reservoir shrinkage of the disposable indwelling needle catheter flushing capsule.
FIG. 4 shows a schematic view of a second embodiment of a disposable indwelling needle cannula capsule (reservoir inflated state).
FIG. 5 is a schematic view showing the liquid being squeezed out by the reservoir shrinkage of the third embodiment of the disposable indwelling needle catheter flushing capsule.
FIG. 6 is a perspective view of a fourth embodiment of a disposable indwelling needle cannula capsule with reservoir pinch expressed fluid.
FIG. 7 is a schematic side view of a fourth embodiment of a disposable indwelling needle cannula capsule showing reservoir constricting expressed liquid.
FIG. 8 is a perspective view of a fifth embodiment of a disposable indwelling needle cannula capsule with reservoir pinch expressed fluid.
FIG. 9 is a schematic side view of a fifth embodiment of a disposable indwelling needle cannula capsule with reservoir pinch expressed fluid.
Detailed Description
Referring to fig. 1 to 3, the disposable indwelling needle wash tube capsule comprises a liquid storage bag 10, the upper end of the liquid storage bag is provided with a conical liquid outlet 12 which can be butted with an indwelling needle (the liquid outlet 12 can also be butted with a connector of other blood transfusion, transfusion and measurement devices), the liquid storage bag 10 is in an inflated state in a normal state, and the liquid storage bag 10 can be contracted to extrude stored liquid. The reservoir 10 is a plastic member such as a reservoir for ink on a pen, or may be of a bladder-like construction. The disposable indwelling needle wash tube capsule further comprises an end cap 20 for covering said spout 12, said end cap 20 being removable for use, normally to seal spout 12. The liquid storage bag 10 is connected with a buckling structure, and after the liquid storage bag 10 is compressed to extrude liquid in the liquid storage bag, the liquid storage bag is kept in a contraction state under the limiting action of the buckling structure.
The liquid storage bag 10 is filled with normal saline or heparin solution in advance, when the transfusion of a patient is completed, a nurse takes off the end cover 20, the liquid outlet nozzle 12 is spliced with the indwelling needle, then the liquid storage bag 10 is extruded, the indwelling needle is driven into the liquid inside, and the liquid is input into the patient body, and then the liquid storage bag 10 is limited by the buckle structure, so that the liquid storage bag cannot rebound, certain pressure is continuously kept in the indwelling needle, and the blood of the patient can be effectively prevented from flowing out.
Preferably, the liquid storage bag 10 is a corrugated tube structure, the liquid outlet 12 is arranged on the upper end surface of the liquid storage bag, and the lower end surface of the liquid storage bag is pushed upwards to compress the liquid storage bag. The corrugated pipe liquid storage bag is simple in structure, liquid is easy to fill, air is extruded out only in an empty bottle state, and liquid can be sucked in when the air rebounds naturally.
Preferably, the upper end surface of the liquid storage bag 10 is connected with an upper shell 14 extending outwards in the lateral direction, the lower end surface of the liquid storage bag is connected with a lower shell 16 extending outwards in the lateral direction, the upper shell and the lower shell are provided with a clamping block 162 and a clamping groove 142 which can be buckled with each other, the clamping block 162 and the clamping groove 142 are clamped with each other after the liquid storage bag 10 is extruded, and the clamping block and the clamping groove form the clamping structure. That is, the upper casing 14 and the lower casing 16 cannot be separated by the engaging and locking of the engaging block 162 and the engaging groove 142, so that the upper end face and the lower end face of the reservoir 10 are relatively fixed, and the reservoir 10 cannot rebound. In this embodiment, the upper shell 14 and the lower shell 16 are both in the shape of caps, the upper shell 14 is provided with the locking groove 142, the lower shell 16 is provided with the locking block 162, and the positions of the locking groove and the locking block can be exchanged. Further preferably, the two catching grooves 142 are symmetrical left and right, and the two catching blocks 142 are symmetrical left and right. It can be understood that the structure of the buckle and the slot is not limited to the hook shape, but actually the buckle may be a loop type, and the buckle may also be disposed on the elastic arm as long as the two can be buckled together.
Referring to fig. 8 and 9, the structure shown in fig. 8 and 9 is different from that of the first embodiment in that: the draw-in groove 142 is a plurality of, the fixture block 162 is according to the extrusion the difference of reservoir 10 degree carries out the joint with the draw-in groove on the different positions (epitheca 14 can be prolonged according to the position needs of draw-in groove 142), can carry out nimble operation to different dosage requirements like this, that is to say, if only need extrude a small amount of dosage, then fixture block 162 and the draw-in groove 142 lock joint of foremost end, if the dosage needs more, then promote to the fixture block and the draw-in groove lock joint of intermediate position, most as required dosage is most, then promote to the fixture block and the draw-in groove lock joint of last position. The progressive control mode has richer functionality.
Referring to fig. 4, a variant of the disposable indwelling needle washing tube capsule of the present invention, compared with the structure of fig. 1, is different in the buckle structure, specifically: a clamping block 18 protruding upwards is arranged in the middle of the inner surface of the lower end face of the liquid storage bag 10, the section of the clamping block 18 is in a dovetail groove shape, a buckling edge 181 is formed at the edge of the top end of the clamping block 18, a convex rib 121 is arranged on the inner wall of the liquid outlet nozzle 12 corresponding to the buckling edge, the buckling edge 181 and the convex rib 121 are clamped together after the liquid storage bag 10 is extruded, and the buckling edge and the convex rib form the buckling structure. That is to say, the fastening edge 181 is fastened to the rib 121, so as to prevent the liquid storage bag 10 from rebounding. In this embodiment, the reservoir 10 is integrally blow-molded. Preferably, the reservoir 10 has a transparent structure, and the color, transparency, and properties of the contained liquid can be observed. Furthermore, preferably, the reservoir 10 is provided with a mark frame for marking the name, expiration date, capacity, scale, etc. of the solution.
Referring to fig. 5, as another modified structure of the disposable indwelling needle washing tube capsule of the present invention, compared with the structure of fig. 1, the difference is the difference of the snap structure, specifically: the buckle structure is a rubber band 19 connected to the upper end face of the liquid storage bag 10, and after the liquid storage bag 10 is extruded, the rubber band sleeve 19 covers the lower end face of the liquid storage bag 10, so that the liquid storage bag 10 can be prevented from rebounding. Preferably, the rubber bands 19 are two and arranged symmetrically.
In addition, in the present application, the structure of the reservoir may be modified to facilitate easier operation for the nurse, specifically, as shown in fig. 6 and 7:
the hardness of the middle part of the side wall of the liquid storage bag 10 is greater than that of the upper part and the lower part of the side wall, and the liquid outlet nozzle 12 is arranged at the middle part of the side wall of the liquid storage bag.
Therefore, the liquid storage bag 10 is small in size, the middle part of the side wall of the liquid storage bag can provide support when a nurse operates the liquid storage bag, the liquid storage bag is extruded more easily, the habit of manually pressing a small container is met, the upper end face of the liquid storage bag 10 can be buckled from the upper part by the instant fingers and the middle fingers, the lower end face of the liquid storage bag 10 can be buckled from the lower part by the thumb, medicines in the liquid storage bag can be extruded very conveniently, and meanwhile, the liquid outlet 12 is arranged on the side edge to be observed easily. Further, the upper part and the lower part of the side wall of the liquid storage bag are of corrugated pipe structures, the upper part and the lower part of the side wall of the liquid storage bag are respectively provided with a hook 30, the upper end and the lower end of the middle part of the side wall of the liquid storage bag are respectively provided with a buckling edge 40 corresponding to the two hooks, after the liquid storage bag is extruded, the hook 30 is buckled with the buckling edge 40, and the hook 30 and the buckling edge 40 form the buckling structure. It will be appreciated that the hook 30 may be integrally formed with the reservoir 10, but it is also possible for the hook to be provided on a transition piece which is in turn connected to the reservoir; similarly, the fastening edge 40 may be integrally formed with the reservoir 10, or the fastening edge may be disposed on a transition piece, and the transition piece may be connected to the reservoir.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents.
Claims (10)
1. Disposable keep somewhere needle wash pipe capsule, including the reservoir, be equipped with liquid outlet nozzle on the reservoir, its characterized in that: the liquid storage bag is in an expanded state in a normal state, is contractible and further comprises an end cover used for covering the liquid outlet nozzle, the end cover can be detached when in use, the liquid storage bag is connected with a buckle structure, and the liquid storage bag is kept in a contracted state under the limiting action of the buckle structure after the liquid storage bag is compressed to extrude liquid in the liquid storage bag.
2. The disposable indwelling needle wash tube capsule of claim 1, wherein: the liquid storage bag is of a corrugated pipe structure, the liquid outlet nozzle is arranged on the upper end face of the liquid storage bag and pushes the liquid storage bag upwards, and the lower end face of the liquid storage bag can be compressed.
3. The disposable indwelling needle wash tube capsule of claim 2, wherein: the inner surface of the lower end face of the liquid storage bag is provided with a clamping block protruding upwards in the middle, the cross section of the clamping block is in a dovetail groove shape, a buckling edge is formed at the edge of the top end of the clamping block, a convex rib is arranged on the inner wall of the liquid outlet nozzle corresponding to the buckling edge, the buckling edge and the convex rib are clamped together after the liquid storage bag is extruded, and the buckling edge and the convex rib form the buckling structure.
4. The disposable indwelling needle wash tube capsule of claim 3, wherein: the liquid storage bag is integrally formed by blow molding; the liquid storage bag is of a transparent structure; and the liquid storage bag is provided with a mark frame.
5. The disposable indwelling needle wash tube capsule of claim 2, wherein: the upper end face of the liquid storage bag is connected with an upper shell extending outwards in the lateral direction, the lower end face of the liquid storage bag is connected with a lower shell extending outwards in the lateral direction, the upper shell and the lower shell are provided with a clamping block and a clamping groove which can be mutually fastened, and the liquid storage bag is extruded, the clamping block is connected with the clamping groove in a clamped mode, and the clamping block and the clamping groove form a clamping structure.
6. The disposable indwelling needle wash tube capsule of claim 5, wherein: the upper and lower cases are in the shape of caps.
7. The disposable indwelling needle wash tube capsule according to claim 5 or 6, wherein: the upper shell is provided with a clamping groove, and the lower shell is provided with a clamping block; the clamping grooves are two and are bilaterally symmetrical, and the clamping blocks are two and are bilaterally symmetrical.
8. The disposable indwelling needle wash tube capsule according to claim 5 or 6, wherein: the draw-in groove is a plurality of, the fixture block carries out the joint according to the extrusion the difference of reservoir degree and draw-in groove on the different positions.
9. The disposable indwelling needle wash tube capsule of claim 2, wherein: the buckle structure is a rubber band connected to the upper end face of the liquid storage bag, and after the liquid storage bag is extruded, the lower end face of the liquid storage bag is sleeved with the rubber band; the number of the rubber bands is two, and the rubber bands are arranged symmetrically left and right.
10. The disposable indwelling needle wash tube capsule of claim 1, wherein: the hardness of the middle part of the side wall of the liquid storage bag is greater than that of the upper part and the lower part of the side wall, and the liquid outlet nozzle is arranged at the middle part of the side wall of the liquid storage bag; the upper part and the lower part of the side wall of the liquid storage bag are of corrugated pipe structures, the upper part and the lower part of the side wall of the liquid storage bag are respectively provided with a hook, the upper end and the lower end of the middle part of the side wall of the liquid storage bag are respectively provided with a buckling edge corresponding to the two hooks, the hooks are buckled with the buckling edges after the liquid storage bag is extruded, and the hooks and the buckling edges form the buckling structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541086.0U CN216061537U (en) | 2021-07-07 | 2021-07-07 | Disposable indwelling needle tube washing capsule |
| PCT/CN2022/104442 WO2023280281A1 (en) | 2021-07-07 | 2022-07-07 | Disposable indwelling needle flushing capsule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541086.0U CN216061537U (en) | 2021-07-07 | 2021-07-07 | Disposable indwelling needle tube washing capsule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216061537U true CN216061537U (en) | 2022-03-18 |
Family
ID=80664958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541086.0U Active CN216061537U (en) | 2021-07-07 | 2021-07-07 | Disposable indwelling needle tube washing capsule |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN216061537U (en) |
| WO (1) | WO2023280281A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023280281A1 (en) * | 2021-07-07 | 2023-01-12 | 厦门大学附属第一医院 | Disposable indwelling needle flushing capsule |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPP798998A0 (en) * | 1998-12-31 | 1999-01-28 | Prestidge, Dean Brian | A parenteral catheter assembly |
| JP4909097B2 (en) * | 2007-01-17 | 2012-04-04 | 日本コヴィディエン株式会社 | Indwelling needle |
| CN205031651U (en) * | 2015-08-21 | 2016-02-17 | 淄博侨森医疗用品有限公司 | Malleation lasts administering means and needle, central venous catheter are kept somewhere to vein |
| CN206120860U (en) * | 2016-06-13 | 2017-04-26 | 广东百合医疗科技股份有限公司 | A continuous -washing device for needle is kept somewhere to vein |
| CN209301893U (en) * | 2018-09-13 | 2019-08-27 | 威海洁瑞医用制品有限公司 | Remaining needle with multi-functional capsule structure |
| CN216061537U (en) * | 2021-07-07 | 2022-03-18 | 厦门大学附属第一医院 | Disposable indwelling needle tube washing capsule |
-
2021
- 2021-07-07 CN CN202121541086.0U patent/CN216061537U/en active Active
-
2022
- 2022-07-07 WO PCT/CN2022/104442 patent/WO2023280281A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023280281A1 (en) * | 2021-07-07 | 2023-01-12 | 厦门大学附属第一医院 | Disposable indwelling needle flushing capsule |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023280281A1 (en) | 2023-01-12 |
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