CN212166308U - Washing and sealing device for intravenous catheter - Google Patents
Washing and sealing device for intravenous catheter Download PDFInfo
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- CN212166308U CN212166308U CN201922405714.1U CN201922405714U CN212166308U CN 212166308 U CN212166308 U CN 212166308U CN 201922405714 U CN201922405714 U CN 201922405714U CN 212166308 U CN212166308 U CN 212166308U
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Abstract
The utility model discloses a washing tube sealing device for a vein catheterization, which comprises a tube sealing liquid injector, a washing tube liquid injector and a three-way liquid injection tube; the tube sealing liquid injector comprises an injection tube, a piston and a needle head I; the tube sealing liquid injector is used for extracting tube sealing liquid for the internal injector to seal the tube; the wash pipe liquid injector comprises a liquid injection cylinder and a needle head II; the tube sealing liquid injector is arranged in the liquid injection cylinder and used as a piston of the tube flushing liquid injector, so that the tube flushing liquid injector can extract and push tube flushing liquid; the three-way liquid injection pipe comprises a hose, a connecting three-way pipe and a vein catheterization cavity intubation; the venous catheterization cavity intubation is a circular tube made of plastic, and the tail part of the venous catheterization cavity intubation is connected with the hose in a nested manner; the flexible pipe is a transparent plastic pipe and forms a 2-5 through pipe with the connecting tee, one circular pipe is connected with the flushing liquid injector, and the other two pipes are respectively connected with a vein catheterization cavity intubation tube. Can wash and seal the double-cavity venous catheterization cavity cannula simultaneously, and can finish tube sealing and tube washing at one time without replacing an injector.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to vein catheterization washing tube sealing device.
Background
The central venous catheter belongs to one of intravascular tubes and is placed in a great vein. Has the following purposes:
1. central venous pressure (central venous pressure ) is measured to assess circulatory physiological central venous catheter parameters, and to estimate how much fluid is.
2. Large and rapid venous transfusions, often during surgery where blood loss may be high, or during emergency situations to maintain blood pressure.
3. Long-term parenteral nutrition, long-term antibiotic injection, and long-term analgesic injection.
4. For drugs with more irritative peripheral veins (venules), the infusion was carried out from a central venous catheter.
5. Hemodialysis lines, such as plasmapheresis or kidney washing.
6. The chemotherapy of tumor can prevent chemical phlebitis and prevent drug liquid from extravasation.
7. A good transfusion channel is established for the patient who transfuses repeatedly, and the pain of repeated puncture is avoided.
8. The critical patient establishes an infusion path.
The flushing pipe and the sealing pipe are two indispensable items in the using process, the flushing pipe flushes the residual liquid medicine in the catheter into the blood vessel by using normal saline, chemical phlebitis caused by stimulating local blood vessels is avoided, and incompatibility among medicines is reduced; the tube sealing is to wash the residual irritant liquid medicine into the blood flow, so as to avoid stimulating local blood vessels to keep venous access; the blood coagulation at the head end of the hose is avoided when the next connection transfusion is carried out, so that the blockage is avoided.
Sometimes, the flushing and the sealing of the venous catheterization cavity intubation tube need to be carried out on the cavity at the same time, and the flushing and the sealing of the cavity cannot be carried out simultaneously by using one device in the prior art; and the existing equipment can only wash or seal the tube once, the color number quilt needs to be replaced between the wash and seal tubes, blood can flow back in the period, and the liquid injection port can be polluted by bacteria, so that the infection of a patient is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: sometimes, the flushing and the sealing of the venous catheterization cavity intubation need to be carried out on the double cavities at the same time, and the existing flushing and sealing can not be carried out on the double cavities at the same time by using one device; and the existing equipment can only wash or seal the tube once, the color number quilt needs to be replaced between the wash and seal tubes, blood can flow back in the period, and the liquid injection port can be polluted by bacteria, so that the infection of a patient is caused.
For solving the above technical problem, the technical scheme of the utility model is that: the utility model provides a washing and sealing device for a vein catheterization, which comprises a catheter sealing liquid injector, a washing liquid injector and a liquid injection catheter;
the tube sealing liquid injector comprises an injection tube, a piston and a needle head I; the injection tube is a cylindrical tube with an opening at the upper end, a round tube protruding outwards is arranged at the bottom end, a section of rubber cylinder is arranged on the side wall, the bottom surface of the rubber cylinder is overlapped with the bottom end of the injection tube, and symmetrical strip-shaped clamping wings protruding outwards are arranged on the side wall of the tail end of the injection tube; the piston comprises a rubber head and a push rod; the rubber head is cylindrical and is placed in the injection tube, and a round hole is formed in the center of the upper bottom surface and connected with the push rod; the push rod is a cylindrical rod, a disc push handle is arranged on the other bottom surface of the push rod, and a circumferential array of strip-shaped reinforcing ribs are arranged between the push handle and the rubber head; the needle head I is a hose of a puncture needle head and is connected with a circular tube of the injection cylinder in a nesting way when needed;
the washing tube liquid injector comprises a liquid injection cylinder and a needle head II; the liquid injection cylinder is a cylindrical cylinder with an opening at the upper end, the bottom end of the liquid injection cylinder is provided with a circular tube protruding outwards, and the side wall of the tail end of the injection cylinder is provided with a symmetrical strip-shaped boosting handle protruding outwards; the needle head II is a hose with a puncture needle head and is connected with a round pipe of the liquid injection cylinder in a nested manner when needed; the tube sealing liquid injector is arranged inside the tube flushing liquid injector;
the liquid injection pipe comprises a hose, a connecting pipe and a vein catheterization cavity intubation; the vein catheterization cavity cannula is a round tube made of non-deformable plastic, the head part of the vein catheterization cavity cannula is provided with a round angle, and the tail part of the vein catheterization cavity cannula is connected with the hose in a nested manner; the flexible pipe is a transparent plastic pipe and forms a 2-5 through pipe with the connecting pipe, the tail end of the flexible pipe is provided with a connecting sleeve, one circular pipe is connected with the flushing liquid injector, and the other two pipes are respectively connected with a vein catheterization cavity intubation tube.
Furthermore, the rubber cylinder of the injection tube can slide up and down in the wash pipe liquid injection device, but cannot slide up and down on the outer wall of the injection tube, liquid on the inner wall of the rubber cylinder attached to the wash pipe liquid injection device cannot pass through a gap between the rubber cylinder and the injection tube, and liquid cannot pass through the gap between the injection tube and the rubber cylinder.
Furthermore, the circular tube on the bottom surface of the injection tube can be inserted into the circular tube on the bottom surface of the injection tube.
Further, the connection nesting parts of the liquid injection pipe cannot be disconnected due to the liquid injection pressure.
Furthermore, the length of the part of the hose of the infusion tube connected with the vein catheterization cavity intubation is equal, and the connecting tube can be connected with a 2-5 through pipeline.
Beneficial effects of the utility model
(1) The device lets a device can carry out washing and tube sealing to the two-chamber of vein catheterization chamber intubate simultaneously through the design of notes liquid pipe.
(2) The device lets medical personnel just can accomplish washing pipe and tube sealing operation once only through the nested design of washing pipe liquid syringe and tube sealing liquid syringe, need not change equipment midway, reduces the contaminated possibility in takeover position.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used 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 invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a double-cavity venous catheterization tube washing and sealing device;
FIG. 2 is a schematic diagram of the structure of the tube sealing liquid injection;
FIG. 3 is a schematic view of the piston;
FIG. 4 is a schematic view of the structure of the wash pipe liquid injector;
FIG. 5 is a schematic structural view of a three-way liquid injection pipe;
the parts of each component and their reference numbers are:
the device comprises a tube sealing liquid injector 1, a tube flushing liquid injector 2, a three-way liquid injection tube 3, an injection tube 4, a piston 5, a needle head I6, a round tube 7, a rubber cylinder 8, a clamping wing 9, a rubber head 10, a push rod 11, a push handle 12, a reinforcing rib 13, a puncture needle base 14, a holding wing 15, a liquid injection tube 16, a needle head II 17, a round tube 18, a boosting handle 19, a hose 21, a connecting three-way 22, a vein catheterization tube cavity intubation tube 23 and a connecting sleeve 24.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following embodiments, and it should be noted that the pipe sealing and pipe washing of the present invention is prior art, and the following detailed operation procedures and operation specifications of the pipe sealing and pipe washing will not be described clearly and completely.
Example I
The utility model discloses a structure of vein catheterization washing pipe sealing device is shown in figure 1: comprises a tube sealing liquid injector 1, a tube flushing liquid injector 2 and a three-way liquid injection tube 3;
the structure of the tube sealing liquid injection 1 is shown in figure 2: comprises an injection tube 4, a piston 5 and a needle head I6; the injection tube 4 is a cylindrical tube with an opening at the upper end, the bottom end of the injection tube is provided with a circular tube 7 protruding outwards, the side wall of the injection tube is provided with a section of rubber cylinder 8, the bottom surface of the rubber cylinder 8 is superposed with the bottom end of the injection tube 4, and the side wall of the tail end of the injection tube 4 is provided with symmetrical strip-shaped clamping wings 9 protruding outwards; the piston 5 (shown in fig. 3) comprises a rubber head 10 and a push rod 11; the rubber head 10 is cylindrical and is placed in the injection tube 4, and a round hole is formed in the center of the upper bottom surface and connected with the push rod 11; the push rod 11 is a cylindrical rod, a disc push handle 12 is arranged on the other bottom surface of the push rod, a circumferential array of strip-shaped reinforcing ribs 13 are arranged between the push handle 12 and the rubber head 10, and the reinforcing ribs 13 prevent the push rod 11 from being bent in the pushing process; the needle head I6 is a hose with a puncture needle head, is nested and connected with the round tube 7 of the injection tube 4 when extracting tube sealing liquid, and a holding wing 15 is arranged on the side edge of the puncture needle base 14; when the piston 5 is drawn out of the injection tube 4, negative pressure is generated in the injection tube 4, and tube sealing liquid is drawn into the injection tube 4 through the needle head I6;
the structure of the washpipe liquid injector 2 is shown in fig. 4: comprises a liquid injection cylinder 16 and a needle II 17; the liquid injection cylinder 16 is a cylindrical cylinder with an opening at the upper end, a round tube 18 protruding outwards is arranged at the bottom end, and a symmetrical strip-shaped boosting handle 19 protruding outwards is arranged on the side wall of the tail end of the injection cylinder 16; the needle head II 17 is a hose of a puncture needle head, the needle head II 17 is a hose with a puncture needle head, and is connected with the round tube 18 of the liquid injection cylinder 16 in a nesting way when the tube flushing liquid is extracted, and the side edge of the puncture needle seat 14 is provided with a holding wing 15; the washpipe liquid injector 1 is placed in the washpipe liquid injector 2, the rubber cylinder 8 of the injection tube 4 can slide up and down in the washpipe liquid injector 2, but cannot slide up and down on the outer wall of the injection tube 4, the rubber cylinder 8 is attached to the inner wall of the washpipe liquid injector 2, liquid cannot pass through a gap between the rubber cylinder 8 and the injection tube 4, and liquid cannot pass through the gap between the rubber cylinder 8 and the injection tube 4; the tube flushing liquid injection 1 is equivalent to a piston and a push rod of a liquid injection cylinder 16, so that a tube flushing liquid injector can extract the tube flushing liquid; the round tube 7 on the bottom surface of the syringe 4 can be inserted into the round tube 18 on the bottom surface of the liquid injection tube 16, so as to extract the tube flushing liquid to the maximum extent and push the tube flushing liquid out of the tube flushing liquid syringe 2 completely as much as possible.
The structure of the three-way liquid injection pipe 3 is shown in FIG. 5: comprises a hose 21, a connecting tee 22 and a vein catheterization cavity cannula 23; the vein catheterization cavity cannula 23 is a round tube made of non-deformable plastic, the head part of the vein catheterization cavity cannula is provided with a round angle, and the tail part of the vein catheterization cavity cannula is connected with the hose 21 in a nested manner; the hose 21 is a transparent plastic pipe and forms a three-way pipe with the connecting tee 21, the tail end of the hose 21 is provided with a connecting sleeve 24, one round pipe 18 is connected with the flushing liquid injector 2, and the other two are respectively connected with a vein catheterization cavity intubation tube 23; the three-way liquid injection pipe 3 is connected with the vein catheterization cavity intubation tube 23, and the lengths of the parts of the hoses 21 are equal, so that the liquid for flushing or sealing the tube can reach the vein catheterization cavity intubation tube at the same time.
Example II
The utility model discloses a vein catheterization washing pipe seals application method of pipe device as follows:
when in use, the tail end of the needle I6 is firstly nested on the circular tube 7 of the injection tube 4, the holding wing 15 is held to insert the puncture needle into the tube sealing liquid medicine bottle, the clamping wing 9 is held by one hand, the holding handle 12 is held by the other hand to pull the piston 5 to extract the tube sealing liquid, and the holding handle 12 is pushed to exhaust the air in the injection tube 4 after enough tube sealing liquid is extracted; then the tube sealing liquid injection 1 is inserted into the liquid injection tube 16, the bottom end of the injection tube 4 is contacted with the bottom surface of the liquid injection tube 16, the tail end of the needle head II 17 is nested on the circular tube 18 of the liquid injection tube 16, the clamping wing 9 is pinched to insert the puncture needle into the tube flushing liquid medicine bottle, the boosting handle 19 is held by one hand, the clamping wing 9 is held by the other hand to pull the injection tube 4 to extract the tube flushing liquid, and the clamping wing 9 exhausts the air in the liquid injection tube 16 after enough tube flushing liquid is extracted; then connecting the connecting sleeve 22 of the three-way liquid injection pipe 3 with the round pipe 18 of the flushing pipe liquid injector 2, pushing the injection pipe 4 to exhaust the air in the three-way liquid injection pipe 3, and respectively inserting the venous catheterization cavity intubation tube 23 into the joints of the two cavities of the venous catheterization cavity intubation tube;
finally, the operation of washing and sealing the pipe is carried out;
firstly, flushing the tube, holding the boosting handle 19 with one hand and the clamping wing 9 with the other hand to push the injection tube 4 to push the flushing liquid into the vein catheterization cavity, pushing the injection tube 4 to the bottom, and performing tube sealing operation after flushing is finished; the clamping wing 9 is held by one hand, the handle 12 is held by the other hand, the piston 5 is pushed out of the tube sealing liquid, and the venous catheterization cavity intubation tube is pulled out after the tube sealing is finished.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and without departing from the design concept of the present invention, various modifications and improvements made by the technical solutions of the present invention by the ordinary engineers in the art should fall into the protection scope of the present invention.
Claims (5)
1. The utility model provides a vein catheterization washing pipe sealing device which characterized in that: comprises a tube sealing liquid injector, a tube flushing liquid injector and a liquid injection tube;
the tube sealing liquid injector comprises an injection tube, a piston and a needle head I; the injection tube is a cylindrical tube with an opening at the upper end, a round tube protruding outwards is arranged at the bottom end, a section of rubber cylinder is arranged on the side wall, the bottom surface of the rubber cylinder is overlapped with the bottom end of the injection tube, and symmetrical strip-shaped clamping wings protruding outwards are arranged on the side wall of the tail end of the injection tube; the piston comprises a rubber head and a push rod; the rubber head is cylindrical and is placed in the injection tube, and a round hole is formed in the center of the upper bottom surface and connected with the push rod; the push rod is a cylindrical rod, a disc push handle is arranged on the other bottom surface of the push rod, and a circumferential array of strip-shaped reinforcing ribs are arranged between the push handle and the rubber head; the needle head I is a hose with a puncture needle head and is connected with a circular tube of the injection cylinder in a nested manner when needed;
the washing tube liquid injector comprises a liquid injection cylinder and a needle head II; the liquid injection cylinder is a cylindrical cylinder with an opening at the upper end, the bottom end of the liquid injection cylinder is provided with a circular tube protruding outwards, and the side wall of the tail end of the injection cylinder is provided with a symmetrical strip-shaped boosting handle protruding outwards; the needle head II is a hose with a puncture needle head and is connected with a round pipe of the liquid injection cylinder in a nested manner when needed; the tube sealing liquid injector is arranged inside the tube flushing liquid injector;
the liquid injection pipe comprises a hose, a connecting pipe and a vein catheterization cavity intubation; the vein catheterization cavity cannula is a round tube made of non-deformable plastic, the head part of the vein catheterization cavity cannula is provided with a round angle, and the tail part of the vein catheterization cavity cannula is connected with the hose in a nested manner; the flexible pipe is a transparent plastic pipe and forms a 2-5 through pipe with the connecting pipe, the tail end of the flexible pipe is provided with a connecting sleeve, one circular pipe is connected with the flushing liquid injector, and the other two pipes are respectively connected with a vein catheterization cavity intubation tube.
2. The intravenous tube flushing and sealing device of claim 1, wherein: the rubber cylinder of injection tube can slide from top to bottom in wash tub liquid syringe, nevertheless can not slide from top to bottom at the outer wall of injection tube, and the inner wall liquid of rubber cylinder laminating wash tub liquid syringe can not pass through the clearance between the two, and liquid can also not pass through the clearance between injection tube and the rubber cylinder.
3. The intravenous tube flushing and sealing device of claim 1, wherein: the circular tube on the bottom surface of the injection cylinder can be inserted into the circular tube on the bottom surface of the injection cylinder.
4. The intravenous tube flushing and sealing device of claim 1, wherein: the connection nesting parts of the liquid injection pipe cannot be disconnected due to liquid injection pressure.
5. The intravenous tube flushing and sealing device of claim 1, wherein: the length of the part of the hose of the infusion tube connected with the vein catheterization cavity intubation is equal; the connecting pipe can be connected with a 2-5-way pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405714.1U CN212166308U (en) | 2019-12-27 | 2019-12-27 | Washing and sealing device for intravenous catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405714.1U CN212166308U (en) | 2019-12-27 | 2019-12-27 | Washing and sealing device for intravenous catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212166308U true CN212166308U (en) | 2020-12-18 |
Family
ID=73763254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922405714.1U Expired - Fee Related CN212166308U (en) | 2019-12-27 | 2019-12-27 | Washing and sealing device for intravenous catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212166308U (en) |
-
2019
- 2019-12-27 CN CN201922405714.1U patent/CN212166308U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 Termination date: 20211227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |