CN207477753U - For the syringe of infusion pump - Google Patents
For the syringe of infusion pump Download PDFInfo
- Publication number
- CN207477753U CN207477753U CN201720164434.4U CN201720164434U CN207477753U CN 207477753 U CN207477753 U CN 207477753U CN 201720164434 U CN201720164434 U CN 201720164434U CN 207477753 U CN207477753 U CN 207477753U
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- CN
- China
- Prior art keywords
- end cap
- piston rod
- infusion pump
- pin
- injection tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
For the syringe of infusion pump, including injection tube and piston rod, the first end of injection tube is formed with nipple, and protrusion is formed on the outside of the second end of injection tube；The first end of piston rod includes piston head, and piston head is slidably inserted into injection tube；The second end of piston rod is provided with shrinkage pool, and pin is provided in shrinkage pool, and the bottom of pin is connected to by spring on the bottom surface of shrinkage pool；End cap is further provided in the second end of piston rod；End cap is formed as cylinder, the first end opening of end cap, and the second end of end cap is connected with the handle of plate；The second end of piston rod is inserted in from the first end of end cap in end cap；The pin that the first end of end cap corresponds on piston rod is formed with multiple through-holes；Pin is selectively inserted into one in the multiple through-hole, and thus piston rod and end cap are fixed together；The holding section of infusion pump is resisted against protrusion towards on the side of nipple side；The promotion part of infusion pump is resisted against on the side of separate nipple side of the handle of end cap.
Description
Technical field
The utility model is related to a kind of medical instrument more particularly to a kind of syringes for infusion pump.
Background technology
In clinical position, many drug therapies needs of patient are very accurate, so that needing to use infusion pump to be transfused medicine
Object.By in syringe clamping to infusion pump come implement be transfused drug.Existing syringe as shown in figure 9, including cylinder 10,
Piston rod 20, piston head 21, piston handle 22, nipple 30, protrusion 40.The catching parts of infusion pump are resisted against the prominent of syringe
The left side in the portion of rising, propulsive element are resisted against the right side of piston handle, thus apply thrust to piston to piston, by the medicine in cylinder
Object is released via nipple.In practical work, since each producer of the stroke of infusion pump is not quite similar, on a kind of infusion pump
It can realize complete infusion, when changing another infusion pump, the stroke for being advanced to infusion pump terminates completely out drug not yet, also
It is to say stroke alarm occurred and the drug in syringe tube also has residue at this time.If the drug renewed, by remaining medicine
Object is thrown away, and unnecessary waste will be caused to patient.
Utility model content
In view of the above problems, the utility model is directed to a kind of syringe for infusion pump, can adapt to difference
The stroke offering question of the infusion pump of type ensures that whole drugs are transfused.
A kind of syringe for infusion pump, including injection tube and piston rod, the first end of injection tube is formed with nipple,
Protrusion is formed on the outside of the second end of injection tube；The first end of piston rod include piston head, piston head be slidably inserted into
In injection tube；The second end of piston rod is provided with shrinkage pool, is provided with pin in shrinkage pool, and the bottom of pin is connected to recessed by spring
On the bottom surface in hole；End cap is further provided in the second end of piston rod；End cap is formed as cylinder, the first end opening of end cap,
The second end of end cap is connected with the handle of plate；The second end of piston rod is inserted in from the first end of end cap in end cap；End cap
The pin that first end corresponds on piston rod is formed with multiple through-holes；Pin is selectively inserted into one in the multiple through-hole
In a, thus piston rod and end cap are fixed together；The holding section of infusion pump is resisted against protrusion towards the side of nipple side
On face；The promotion part of infusion pump is resisted against on the side of separate nipple side of the handle of end cap.
Preferably, the multiple through-hole is set at equal intervals.
Preferably, the adjacent through-hole offsets one from another predetermined angular.
The syringe for infusion pump of the utility model, by setting multiple through-holes on end cap, adjustment end cap is in work
Thus the binding site of stopper rod changes the whole length after entire piston rod installation end cap；For different infusion pumps, specific aim
Ground adjustment end cap position, thus matches infusion pump so that the drug in injection tube can be released from nipple completely.
Description of the drawings
Fig. 1 is the structure diagram of the state one of the syringe for infusion pump of the utility model；
Fig. 2 is the structure diagram of the state one of the syringe for infusion pump of the utility model；
Fig. 3 is the schematic cross-section of piston rod；
Fig. 4 is the schematic top plan view of piston rod；
Fig. 5 is the schematic side view of piston rod；
Fig. 6 a, Fig. 6 b are the schematic cross-section of end cap；
Fig. 7 a, Fig. 7 b are the schematic top plan view of end cap；
Fig. 8 is the schematic side view of end cap；
Fig. 9 is the structure diagram of the syringe of the prior art.
Specific embodiment
In the following, the utility model is described in detail with reference to Figure of description 1-9.
The syringe for infusion pump of the utility model it include injection tube 10 and piston rod 20.
The first end of injection tube 10 is formed with nipple 30, and protrusion 40 is formed on the outside of the second end of injection tube 20.
The first end of piston rod 20 includes piston head 21, and piston head 21 is slidably inserted into injection tube 10.
The second end of piston rod 20 is provided with shrinkage pool 27, and pin 23 is provided in shrinkage pool 27, and the bottom of pin 23 passes through bullet
Spring 25 is connected on the bottom surface of shrinkage pool 27.
End cap 24 is further provided in the second end of piston rod 20；End cap 24 is formed as cylinder, the first end of end cap 24
Opening, the second end of end cap 24 are connected with the handle 22 of plate.
The first end of the second end of piston rod 20 from end cap 24 is inserted in end cap 24.
The pin 23 that the first end of end cap 24 corresponds on piston rod 20 is formed with multiple through-holes 26；Pin 23 is selectively
It is inserted in one in multiple through-holes 26, thus piston rod 20 and end cap 24 is fixed together.
The holding section of infusion pump is resisted against protrusion towards on the side of 30 side of nipple；The promotion part of infusion pump is resisted against
On the side of the separate nipple side of the handle 22 of end cap 24.
Multiple through-holes 26 are set at equal intervals, as shown in Fig. 6 a, 7a.Adjacent through-holes 26 can also be the predetermined angle that offsets one from another
Degree, as shown in Fig. 6 b, 7b, farthest to ensure the intensity of end cap.
Drug is drawn into injection tube 10, then according to the situation of infusion pump, by selecting one from multiple through-holes
Through-hole 26 is fixed together after being matched with pin 23, thus adjusts end cap 24 relative to 20 outwardly extending length of piston rod, protects
Demonstrate,prove infusion of drug it is complete after, the stroke of infusion pump is also not to the end.After injection tube is held on infusion pump, the side of protrusion 40 is supported
The holding section of infusion pump is leaned against, the second side of handle 22 is resisted against on the promotion part of infusion pump, as a result, in the propulsion of infusion pump
Under, drug is flowed out from the nipple 30 of syringe, and patient's body is entered via the conduit being connect with nipple 30.
Claims (1)
1. a kind of syringe for infusion pump, including injection tube and piston rod, the first end of injection tube is formed with nipple, note
Protrusion is formed on the outside of the second end of shooting cylinder；The first end of piston rod includes piston head, and piston head is slidably inserted into note
In shooting cylinder；It is characterized in that：
The second end of piston rod is provided with shrinkage pool, and pin is provided in shrinkage pool, and the bottom of pin is connected to shrinkage pool by spring
On bottom surface；
End cap is further provided in the second end of piston rod；
End cap is formed as cylinder, the first end opening of end cap, and the second end of end cap is connected with the handle of plate；
The second end of piston rod is inserted in from the first end of end cap in end cap；
The pin that the first end of end cap corresponds on piston rod is formed with multiple through-holes；Pin is selectively inserted into the multiple
In one in through-hole, thus piston rod and end cap are fixed together；
The holding section of infusion pump is resisted against protrusion towards on the side of nipple side；The promotion part of infusion pump is resisted against end cap
On the side of the separate nipple side of handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164434.4U CN207477753U (en) | 2017-02-23 | 2017-02-23 | For the syringe of infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164434.4U CN207477753U (en) | 2017-02-23 | 2017-02-23 | For the syringe of infusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207477753U true CN207477753U (en) | 2018-06-12 |
Family
ID=62483301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720164434.4U Active CN207477753U (en) | 2017-02-23 | 2017-02-23 | For the syringe of infusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207477753U (en) |
-
2017
- 2017-02-23 CN CN201720164434.4U patent/CN207477753U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |