CN214911674U - Double-head transfusion device - Google Patents
Double-head transfusion device Download PDFInfo
- Publication number
- CN214911674U CN214911674U CN202120660669.9U CN202120660669U CN214911674U CN 214911674 U CN214911674 U CN 214911674U CN 202120660669 U CN202120660669 U CN 202120660669U CN 214911674 U CN214911674 U CN 214911674U
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- Prior art keywords
- dropper
- infusion
- chassis
- way valve
- barrel
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- Expired - Fee Related
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- 238000001802 infusion Methods 0.000 claims abstract description 108
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 230000005484 gravity Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a double-head transfusion device, which comprises a transfusion needle, a luer joint, a front transfusion tube, a flow rate regulator, a drip tube, a Y-shaped transfusion tube, a puncture outfit, a switch dropper, a communicating tube and two one-way valves which are connected in sequence from bottom to top; the two input ends are respectively provided with a one-way valve, and liquid can flow towards the direction of the drip tube through the one-way valve; the switch dropper is arranged at the end part of one input end and is positioned between the one-way valve and the puncture outfit, one end of the communicating pipe is connected with one input end and is positioned between the one-way valve and the switch dropper, and the other end of the communicating pipe can be communicated with a second infusion bottle on the other side; the switch dropper comprises a dropper barrel and a vent pipe, the input end of the switch dropper is communicated with the puncture outfit through the dropper barrel, the vent pipe is arranged on the dropper barrel and is communicated with the dropper barrel, and the end part of the dropper barrel is covered with a cover cap which can be opened.
Description
Technical Field
The utility model particularly relates to a double-head transfusion device.
Background
At present, a disposable infusion apparatus is a necessary medical apparatus during clinical infusion, and the disposable infusion apparatus sequentially comprises a puncture outfit, an infusion tube, a dropping cylinder, a flow rate regulator, a luer connector and an infusion needle from top to bottom. The double-head infusion apparatus is an infusion apparatus with two puncture outfits and two quick-closing clamps at the top end. During infusion, two glass bottle type infusion bottles needing to be infused are hung on an infusion support, then two puncture outfits are respectively connected with the two infusion bottles, one of the two quick-closing clamps is kept closed, the other quick-closing clamp is kept opened, after the liquid medicine in one infusion bottle is infused, the remaining switch clamp is opened, and then infusion can be carried out on the second infusion bottle.
However, in the process of clinical transfusion, some family members can not operate or break the clips in the operation process, or some family members are afraid of operating the switch clamps and can only directly call a nurse by pressing a bell, so that the workload of the nurse is increased. Meanwhile, in the infusion engineering, the phenomenon that two medicines are mixed up in the infusion apparatus can occur in some double-head infusion apparatuses, so that the treatment effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a double-end infusion apparatus which can automatically perform infusion switching and can prevent the liquid medicine from being confused.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a double-head infusion apparatus comprises an infusion needle, a luer connector, a front infusion tube, a flow rate regulator, a dropping cylinder, a Y-shaped infusion tube and puncture devices which are connected in sequence from bottom to top, wherein the flow rate regulator is sleeved on the front infusion tube, one end of the Y-shaped infusion tube is an output end, the output end is communicated with the dropping cylinder, the other two ends of the Y-shaped infusion tube are input ends, and the two puncture devices are respectively communicated with the input ends; it is characterized by also comprising a switch dropper, a communicating pipe and two one-way valves; the two input ends are respectively provided with the one-way valve, and liquid can flow towards the drip tube through the one-way valve; the switch dropper is arranged at the end part of one of the input ends and is positioned between the one-way valve and the puncture outfit, one end of the communicating pipe is connected with one of the input ends and is positioned between the one-way valve and the switch dropper, and the other end of the communicating pipe can be communicated with a second infusion bottle on the other side; the switch dropper comprises a dropper barrel and a vent pipe, the input end is communicated with the puncture outfit through the dropper barrel, the vent pipe is arranged on the dropper barrel and is communicated with the dropper barrel, and the end part of the dropper barrel is covered with a cover cap which can be opened.
Further, one-way valve includes chassis, baffle, guide bar and shelves ring, the chassis sets up in the input of Y shape transfer line, the outer wall on chassis with the inner wall sealing connection of input, be provided with a plurality of small openings on the chassis, the guide bar sets up on the chassis, and be located one side is kept away from to the chassis, the cover that the shelves ring can slide is established on the guide bar, just the shelves ring can with all on the chassis the small opening covers, the shelves ring sets up the guide bar is kept away from the tip on chassis.
Furthermore, an annular groove is formed in the base plate, and a convex ring matched with the annular groove is arranged on the outer edge of the baffle.
Further, the cross section of the annular groove is V-shaped, and the size of the convex ring is matched with the V-shaped annular groove.
Furthermore, the one-way valve also comprises an elastic piece, the elastic piece is sleeved on the guide rod, and two ends of the elastic piece are respectively connected with the baffle ring and the baffle plate; the elastic supporting force of the elastic piece is equal to the gravity of the baffle plate, and when the elastic piece is in a natural state, the baffle plate covers the chassis
The utility model has the advantages that:
the double-head infusion apparatus comprises an infusion needle, a luer connector, a front infusion tube, a flow rate regulator, a dropping cylinder, a Y-shaped infusion tube and puncture devices which are sequentially connected from bottom to top, wherein the flow rate regulator is sleeved on the front infusion tube, one end of the Y-shaped infusion tube is an output end, the output end is communicated with the dropping cylinder, the other two ends of the Y-shaped infusion tube are input ends, and the two puncture devices are respectively communicated with the input ends; the device also comprises a switch dropper, a communicating pipe and two one-way valves; the two input ends are respectively provided with the one-way valve, and liquid can flow towards the drip tube through the one-way valve; the switch dropper is arranged at the end part of one of the input ends and is positioned between the one-way valve and the puncture outfit, one end of the communicating pipe is connected with one of the input ends and is positioned between the one-way valve and the switch dropper, and the other end of the communicating pipe can be communicated with a second infusion bottle on the other side; the switch dropper comprises a dropper barrel and a vent pipe, the input end is communicated with the puncture outfit through the dropper barrel, the vent pipe is arranged on the dropper barrel and is communicated with the dropper barrel, and the end part of the dropper barrel is covered with a cover cap which can be opened.
During infusion, the first infusion bottle and the second infusion bottle are firstly hung on an infusion support, then the two puncture outfits are respectively connected with the first infusion bottle and the second infusion bottle, then the cover cap on the vent pipe connected with the first infusion bottle needing to be conveyed firstly is opened, the dropper tube is communicated with the atmosphere, liquid conveying of the first infusion bottle can be carried out, after conveying of the first infusion bottle is finished, liquid in the second infusion bottle automatically flows out, and infusion can be continued.
The double-head infusion apparatus can automatically switch to the second infusion bottle for infusion without manual operation after the liquid in the first infusion bottle is delivered, thereby avoiding the situation of forgetting to operate, further reducing the workload of patients and medical care personnel, and in addition, the one-way valve can prevent the liquid in the two input ends of the Y-shaped infusion tube from flowing backwards, thereby preventing the two liquids from mixing and further avoiding influencing the treatment effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
Fig. 1 is a schematic view of a double-ended infusion apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a cross-sectional view taken at B of FIG. 1;
FIG. 4 is a schematic view of a one-way valve for fluid passage in the dual-headed infusion set of FIG. 1;
reference numerals:
100-opening and closing a dropper, 110-dropper tube, 120-vent pipe, 130-cap, 200-one-way valve, 210-chassis, 211-leak hole, 212-annular groove, 220-baffle, 221-convex ring, 230-guide rod, 240-stop ring, 250-elastic piece, 300-communicating pipe, 1-first infusion bottle and 2-second infusion bottle.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 4, the utility model provides a double-ended infusion apparatus, include from the bottom up including the transfusion needle that connects in order, luer joint, preceding transfer line, flow rate regulator, a little drop tube, Y shape transfer line, puncture ware, wherein, flow rate regulator cover is established on preceding transfer line, Y shape transfer line one end is the output, and output and a little drop tube intercommunication, the other both ends of Y shape transfer line are the input, two puncture wares communicate with the input respectively, still include two and still include switch burette 100, communicating pipe 300 and two one-way valve 200. Is used for transfusion of two glass bottle type transfusion bottles.
Specifically, the two input ends are respectively provided with a one-way valve 200, and liquid can flow towards the direction of the drip tube through the one-way valves 200. The switch dropper 100 is arranged at the end of one of the input ends and is located between the one-way valve 200 and the puncture outfit. One end of the communicating pipe 300 is connected to one of the input ends and is positioned between the one-way valve 200 and the switch dropper 100, and the other end can be communicated with the second infusion bottle 2 on the other side. The switch dropper 100 comprises a dropper barrel 110 and a breather tube 120, the input end of the switch dropper is communicated with the puncture outfit through the dropper barrel 110, the breather tube 120 is arranged on the dropper barrel 110 and is communicated with the dropper barrel 110, and the end of the dropper barrel 110 is covered with an openable cover cap 130.
During conveying, two glass bottle type first infusion bottles 1 and second infusion bottles 2 to be conveyed are hung on an infusion support, a puncture outfit with a switch dropper 100 is inserted into the first infusion bottle 1 to be conveyed, then a cover cap 130 on the switch dropper 100 is opened, a dropper tube 110 is communicated with the atmosphere, and liquid in the first infusion bottle 1 flows out of the first infusion bottle 1 and sequentially passes through the dropper tube 110 and a one-way valve 200 to flow towards the dropper tube; at this time, the communication tube 300 and the other transfer end are both in a liquid-blocked state, and at this time, the liquid in the second infusion bottle does not flow out. After the liquid in the first infusion bottle 1 is conveyed, no liquid exists in the conveying end communicated with the first infusion bottle 1, one end of the dropper tube 110 is communicated with the atmosphere, the other end of the dropper tube is communicated with the communication tube 300, the second infusion bottle 2 is communicated with the outside through the communication tube 300 to play a role of a communicating device, the liquid in the second infusion bottle 2 can automatically flow out, and the liquid sequentially passes through the one-way valve 200 connected with the second infusion bottle to continue infusion. According to the arrangement, after the liquid in the first infusion bottle 1 is conveyed, the liquid is automatically switched to the second infusion bottle 2 for infusion without manual operation, so that the situation of forgetting to operate is avoided, the workload of patients and medical workers is further reduced, in addition, the liquid backflow at two ends of the Y-shaped infusion tube can be prevented by the two one-way valves 200, the mixing of the two liquids can be prevented, and the treatment effect is prevented from being influenced.
In this embodiment, the one-way valve 1 includes a bottom plate 210, a baffle 220, a guide bar 230, and a stopper ring 240. The chassis 210 is arranged in the input end of the Y-shaped infusion tube, the outer wall of the chassis 210 is hermetically connected with the inner wall of the input end, and a plurality of leak holes 211 are arranged on the chassis 210. The guide bar 230 is disposed on the chassis 210 and is located on a far side of the chassis 210. The stop ring 240 is slidably disposed on the guide rod 230, and the stop ring 240 can cover all the holes 211 on the chassis 210. A stop ring 240 is provided at the end of the guide bar 230 remote from the chassis 210. When liquid flows downwards during infusion, the baffle 220 is flushed, the liquid flows out from the leakage hole 211 on the base plate 210, when liquid flows backwards, the baffle 220 is pressed on the base plate 210 under the action of the liquid flowing backwards, the leakage hole 211 is covered and blocked, and therefore the liquid can be prevented from flowing backwards.
In addition, in order to increase the sealing degree, an annular groove 212 is formed on the bottom plate 210, and a convex ring 221 matched with the annular groove 212 is arranged on the outer edge of the baffle 220. Further, the annular groove 212 is V-shaped in cross-section and the raised ring 221 is sized to fit therein. The V-shaped annular groove 212 prevents liquid from entering the orifice 211 between the contacting surfaces of the bottom plate 210 and the baffle 220.
As a preferred embodiment, the one-way valve 1 further comprises an elastic member 250. The elastic member 250 is sleeved on the guide rod 230, and two ends of the elastic member 250 are respectively connected with the stopper ring 240 and the baffle 220. The elastic supporting force of the elastic member 250 is equal to the gravity of the barrier 220, and the barrier 220 is covered on the chassis 210 when the elastic member 250 is in a natural state. In one embodiment, the resilient member 250 may be a spring, but other resilient members may be used. The elastic member 250 can keep the baffle 220 always against the bottom plate 210, thereby ensuring that the baffle 220 can be separated from the bottom plate 210 only under the impact of the liquid in the infusion bottle 1, and the liquid can pass through the leak hole 211 on the bottom plate 210.
The use mode of the double-head infusion apparatus is as follows:
during infusion, the first infusion bottle 1 and the first infusion bottle 2 are firstly hung on an infusion support, then the two puncture outfits are respectively connected with the two first infusion bottles 1 and the two first infusion bottles 2, then the cover cap 130 on the vent pipe 120 connected with the first infusion bottle 1 needing to be conveyed firstly is opened, the dropper tube 110 is communicated with the atmosphere, liquid conveying of the first infusion bottle 1 can be carried out, after conveying of the first infusion bottle 1 is finished, liquid in the second infusion bottle 2 can automatically flow out, and infusion can be continued.
According to the double-head infusion apparatus, after the liquid in the first infusion bottle 1 is conveyed, the liquid in the second infusion bottle 2 is automatically switched without manual operation, so that the situation that the operation is forgotten is avoided, and the workload of a patient and medical staff is further reduced. In addition, the one-way valve 1 can prevent the liquid at the two ends of the Y-shaped infusion tube from flowing backwards, so that the two liquids can be prevented from being mixed, and the treatment effect is further prevented from being influenced. The V-shaped annular groove 212 prevents liquid from entering the orifice 211 between the contacting surfaces of the bottom plate 210 and the baffle 220. The elastic member 250 can keep the baffle 220 always against the bottom plate 210, thereby ensuring that the baffle 220 can be separated from the bottom plate 210 only under the impact of the liquid in the infusion bottle 1, and the liquid can pass through the leak hole 211 on the bottom plate 210.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. A double-head infusion apparatus comprises an infusion needle, a luer connector, a front infusion tube, a flow rate regulator, a dropping cylinder, a Y-shaped infusion tube and puncture devices which are connected in sequence from bottom to top, wherein the flow rate regulator is sleeved on the front infusion tube, one end of the Y-shaped infusion tube is an output end, the output end is communicated with the dropping cylinder, the other two ends of the Y-shaped infusion tube are input ends, and the two puncture devices are respectively communicated with the input ends; it is characterized by also comprising a switch dropper, a communicating pipe and two one-way valves; the two input ends are respectively provided with the one-way valve, and liquid can flow towards the drip tube through the one-way valve; the switch dropper is arranged at the end part of one of the input ends and is positioned between the one-way valve and the puncture outfit, one end of the communicating pipe is connected with one of the input ends and is positioned between the one-way valve and the switch dropper, and the other end of the communicating pipe can be communicated with a second infusion bottle on the other side; the switch dropper comprises a dropper barrel and a vent pipe, the input end is communicated with the puncture outfit through the dropper barrel, the vent pipe is arranged on the dropper barrel and is communicated with the dropper barrel, and the end part of the dropper barrel is covered with a cover cap which can be opened.
2. The double-ended infusion set according to claim 1, wherein the one-way valve comprises a chassis, a baffle, a guide rod and a baffle ring, the chassis is arranged in the input end of the Y-shaped infusion tube, the outer wall of the chassis is hermetically connected with the inner wall of the input end, a plurality of leak holes are arranged on the chassis, the guide rod is arranged on the chassis and is positioned at one side of the chassis far away from the chassis, the baffle ring is slidably sleeved on the guide rod, the baffle ring can cover all the leak holes on the chassis, and the baffle ring is arranged at the end of the guide rod far away from the chassis.
3. The double-ended infusion set according to claim 2, wherein an annular groove is formed in the base plate, and a convex ring matched with the annular groove is arranged on the outer edge of the baffle plate.
4. The double-ended infusion set according to claim 3, wherein the annular groove is V-shaped in cross section, and the size of the convex ring is matched with the annular groove.
5. The double-ended infusion set according to claim 2, wherein the one-way valve further comprises an elastic member, the elastic member is sleeved on the guide rod, and two ends of the elastic member are respectively connected with the baffle ring and the baffle plate; the elastic supporting force of the elastic piece is equal to the gravity of the baffle plate, and when the elastic piece is in a natural state, the baffle plate covers the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660669.9U CN214911674U (en) | 2021-03-31 | 2021-03-31 | Double-head transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660669.9U CN214911674U (en) | 2021-03-31 | 2021-03-31 | Double-head transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214911674U true CN214911674U (en) | 2021-11-30 |
Family
ID=79046529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120660669.9U Expired - Fee Related CN214911674U (en) | 2021-03-31 | 2021-03-31 | Double-head transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214911674U (en) |
-
2021
- 2021-03-31 CN CN202120660669.9U patent/CN214911674U/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: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |