CN216798413U - Liquid medicine filter for preventing blood from flowing back - Google Patents
Liquid medicine filter for preventing blood from flowing back Download PDFInfo
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- CN216798413U CN216798413U CN202122920919.0U CN202122920919U CN216798413U CN 216798413 U CN216798413 U CN 216798413U CN 202122920919 U CN202122920919 U CN 202122920919U CN 216798413 U CN216798413 U CN 216798413U
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- liquid medicine
- sleeve
- fixedly connected
- conical
- medicine filter
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Abstract
The utility model discloses a liquid medicine filter for preventing blood backflow, which comprises a shell and a sleeve, wherein a branch pipe is fixedly communicated with the bottom of the shell, the bottom end of the branch pipe is communicated with the interior of the sleeve, a conical sleeve is fixedly connected to the inner surface of the sleeve, a conical floating plug is arranged in the conical sleeve, and positioning blocks are fixedly connected to two sides of the inner wall of the conical sleeve. According to the utility model, the liquid medicine can be filtered through the filtering membrane in the shell, the filtered liquid medicine is discharged into the sleeve through the branch pipe, the liquid medicine entering the sleeve can enable the conical floating plug to move upwards so as to open the conical sleeve, so that the liquid medicine in the sleeve enters the infusion tube to form infusion, when the liquid medicine in the sleeve is insufficient, the liquid medicine can move downwards through the gravity of the conical floating plug to block the conical sleeve, the backflow of the liquid medicine in the infusion tube is effectively prevented, the blood return phenomenon in the infusion process is prevented, and the functionality of the liquid medicine filter is further improved.
Description
Technical Field
The utility model relates to the technical field of liquid medicine filters, in particular to a liquid medicine filter capable of preventing blood from flowing back.
Background
Infusion is also called infusion or water hanging. Is a large dose of injection solution infused into the body by intravenous drip. Are usually packaged in glass or plastic infusion bottles or bags and do not contain preservatives or bacteriostatic agents. When in use, the dropping speed is adjusted by the infusion apparatus, and the infusion apparatus continuously and stably enters the vein to supplement body fluid, electrolyte or provide nutrient substances, and the infusion is a common medical means in the medical treatment process.
In the related art, in order to prevent impurities in the liquid medicine from being introduced into a human body along with the liquid medicine and causing discomfort of a patient, a corresponding filter is usually arranged in the related art, and when the traditional liquid medicine filter is used, although the traditional liquid medicine filter can play a corresponding filtering function, the traditional liquid medicine filter does not have a function of preventing blood from flowing back, so that the phenomenon of blood backflow easily occurs after transfusion, and the health of a transfusion person is further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect that the prior art does not have a function of preventing blood backflow, and provides a liquid medicine filter for preventing blood backflow.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a liquid medicine filter for preventing blood from flowing back comprises a shell and a sleeve, wherein a branch pipe is fixedly communicated with the bottom of the shell, the bottom end of the branch pipe is communicated with the interior of the sleeve, a conical sleeve is fixedly connected to the inner surface of the sleeve, a conical floating plug is placed in the conical sleeve, positioning blocks are fixedly connected to two sides of the inner wall of the conical sleeve, a liquid conveying pipe is fixedly connected to the bottom of the sleeve, and the top end of the liquid conveying pipe is communicated with the interior of the conical sleeve;
when the liquid medicine is insufficient in the sleeve, the conical floating plug can move downwards through the gravity of the conical floating plug, the conical sleeve is blocked, backflow of the liquid medicine in the infusion tube is effectively prevented, the phenomenon of blood return in the infusion process is prevented, and the functionality of the liquid medicine filter is further improved.
The above technical solution further comprises:
the outer surface of the infusion tube is fixedly connected with a bag body, and the bag body is communicated with the interior of the infusion tube.
The inner surface of the shell is fixedly connected with a filtering membrane, the top of the shell is provided with an annular notch, and the inner surface of the annular notch is provided with an annular clamping groove.
The top of casing is provided with the end cover through the connecting piece, the fixed intercommunication in top of end cover has the feed liquor pipe, the bottom fixedly connected with annular inserted block of end cover, the bottom fixedly connected with sealing washer of annular inserted block, annular card strip has been seted up to the surface of annular inserted block.
The connecting piece including set up in the spill mouth of end cover surface to and fixed connection in the U-shaped frame of casing surface, the spacing groove has been seted up to the bottom of U-shaped frame.
The inside of spill mouth rotates and is connected with the connecting rod, the bottom fixedly connected with stopper of connecting rod.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the liquid medicine can be filtered through the filtering membrane in the shell, the filtered liquid medicine is discharged into the sleeve through the branch pipe, the liquid medicine entering the sleeve can enable the conical floating plug to move upwards so as to open the conical sleeve, the liquid medicine in the sleeve enters the infusion tube to form infusion, and the conical floating plug in the sleeve is prevented from turning over and losing the function of blockage through the arrangement of the positioning block.
Drawings
FIG. 1 is a schematic structural view of a liquid medicine filter for preventing blood from flowing back according to the present invention;
FIG. 2 is a cross-sectional view of the sleeve of FIG. 1;
FIG. 3 is a schematic view of the combination of the housing and end cap of FIG. 1;
FIG. 4 is a schematic structural view of the end cap of FIG. 3;
fig. 5 is a structural sectional view of the housing of fig. 3.
In the figure: 1. a housing; 2. a sleeve; 3. a branch pipe; 4. a conical sleeve; 5. a conical floating plug; 6. positioning blocks; 7. a transfusion tube; 8. a capsule body; 9. a filtration membrane; 10. an annular recess; 11. an annular neck; 12. a connecting member; 121. a concave port; 122. a U-shaped frame; 123. a limiting groove; 124. a connecting rod; 125. a limiting block; 13. an end cap; 14. an annular insert block; 15. a seal ring; 16. and an annular clamping strip.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-5, the liquid medicine filter for preventing blood backflow provided by the utility model comprises a housing 1 and a sleeve 2, wherein a branch pipe 3 is fixedly communicated with the bottom of the housing 1, the bottom end of the branch pipe 3 is communicated with the interior of the sleeve 2, a conical sleeve 4 is fixedly connected with the inner surface of the sleeve 2, a conical floating plug 5 is placed in the conical sleeve 4, positioning blocks 6 are fixedly connected to both sides of the inner wall of the conical sleeve 4, a liquid conveying pipe 7 is fixedly connected to the bottom of the sleeve 2, and the top end of the liquid conveying pipe 7 is communicated with the interior of the conical sleeve 4;
the liquid medicine can be filtered through the filtering membrane 9 in the shell 1, the filtered liquid medicine is discharged into the sleeve 2 through the branch pipe 3, the liquid medicine entering the sleeve 2 enables the conical floating plug 5 to move upwards, so that the conical sleeve 4 is opened, the liquid medicine in the sleeve 2 enters the infusion tube 7, and infusion is formed;
when the liquid medicine in the sleeve 2 is insufficient, the liquid medicine moves downwards through the gravity of the conical floating plug 5 to block the conical sleeve 4, so that the liquid medicine is effectively prevented from flowing back in the infusion tube 7, the blood return phenomenon in the infusion process is prevented, and the functionality of the liquid medicine filter is further improved;
the conical floating plug 5 is made of materials floating on liquid medicine in the prior art, and the conical floating plug 5 inside the sleeve 2 is prevented from turning over due to the arrangement of the positioning block 6.
The above technical solution further comprises:
a bag body 8 is fixedly connected to the outer surface of the infusion tube 7, and the bag body 8 is communicated with the interior of the infusion tube 7;
through the setting of utricule 8 for store certain liquid medicine, extrude the transfer line 7 of utricule 8 bottoms through the hand moreover, extrude utricule 8 again, can make the inside liquid medicine of utricule 8 strike the toper and float stopper 5, avoid the toper to float stopper 5 and appear the card phenomenon of dying.
A filtering membrane 9 is fixedly connected to the inner surface of the shell 1, an annular notch 10 is formed in the top of the shell 1, and an annular clamping groove 11 is formed in the inner surface of the annular notch 10;
through the arrangement of the filter membrane 9 for filtering the liquid medicine, and through the arrangement of the annular recess 10, the insertion of the annular clamping strip 16 is facilitated, thereby forming a clamping of the end cap 13 and the housing 1.
An end cover 13 is arranged at the top of the shell 1 through a connecting piece 12, a liquid inlet pipe is fixedly communicated with the top of the end cover 13, an annular insertion block 14 is fixedly connected to the bottom of the end cover 13, a sealing ring 15 is fixedly connected to the bottom of the annular insertion block 14, and an annular clamping strip 16 is arranged on the outer surface of the annular insertion block 14;
through the setting of end cover 13 for install in the top of casing 1, make up into the filter through casing 1, insert the annular notch 10 of corresponding position through annular inserted block 14, form the chucking, and then guarantee the stability of end cover 13 and casing 1 installation, through the setting of sealing washer 15, improved the leakproofness after the installation moreover.
In this embodiment, insert the annular inserted block 14 of end cover 13 bottom in the inside annular notch 10 of casing 1, annular card strip 16 inserts in the ring groove 11 that corresponds when again, can form the equipment of filter, arrange the liquid medicine to casing 1 inside through the feed liquor pipe, rethread filtration membrane 9 filters the liquid medicine, liquid medicine after the filtration is arranged to the inside of sleeve 2 through branch pipe 3, and the liquid medicine that gets into 2 insides of sleeve will make toper floating plug 5 upwards move, thereby get through toper cover 4, make the inside liquid medicine of sleeve 2 enter into transfer line 7, carry out normal infusion work, when 2 inside liquid medicines of sleeve are not enough, through the gravity of toper floating plug 5 self, will downstream, form the jam to toper cover 4, the effectual backward flow in transfer line 7 that has prevented the liquid medicine.
Example two
As shown in fig. 3 to 4, based on the first embodiment, the connecting member 12 includes a concave opening 121 formed in an outer surface of the end cover 13, and a U-shaped frame 122 fixedly connected to an outer surface of the housing 1, and a limiting groove 123 is formed at a bottom of the U-shaped frame 122;
the number of the connecting pieces 12 is preferably five, and different numbers can be set according to actual conditions.
The inside of the concave opening 121 is rotatably connected with a connecting rod 124, and the bottom end of the connecting rod 124 is fixedly connected with a limiting block 125.
In this embodiment, through the inside with connecting rod 124 insert U-shaped frame 122 to make stopper 125 aim at spacing groove 123, insert spacing groove 123 through stopper 125 in, can form the chucking, guarantee the stability after the filter combination, make the filter have dismantled and assembled function, make things convenient for follow-up personnel to classify and retrieve.
Claims (6)
1. The utility model provides a liquid medicine filter of anti-blood backflow, includes casing (1) and sleeve (2), its characterized in that, the fixed intercommunication in bottom of casing (1) has branch pipe (3), the bottom of branch pipe (3) with the inside intercommunication of sleeve (2), the internal surface fixedly connected with toper cover (4) of sleeve (2), toper floating plug (5) have been placed to the inside of toper cover (4), the equal fixedly connected with locating piece (6) in both sides of toper cover (4) inner wall, the bottom fixedly connected with transfer line (7) of sleeve (2), the top of transfer line (7) with the inside intercommunication of toper cover (4).
2. The liquid medicine filter for preventing blood backflow according to claim 1, wherein a balloon (8) is fixedly connected to the outer surface of the liquid infusion tube (7), and the balloon (8) is communicated with the inside of the liquid infusion tube (7).
3. The liquid medicine filter for preventing blood backflow according to claim 1, wherein the filtering membrane (9) is fixedly connected to the inner surface of the housing (1), an annular recess (10) is formed in the top of the housing (1), and an annular clamping groove (11) is formed in the inner surface of the annular recess (10).
4. The liquid medicine filter for preventing blood backflow according to claim 1, wherein an end cover (13) is arranged at the top of the housing (1) through a connecting piece (12), a liquid inlet pipe is fixedly communicated with the top of the end cover (13), an annular insertion block (14) is fixedly connected to the bottom of the end cover (13), a sealing ring (15) is fixedly connected to the bottom of the annular insertion block (14), and an annular clamping strip (16) is arranged on the outer surface of the annular insertion block (14).
5. The liquid medicine filter for preventing blood backflow according to claim 4, wherein the connecting member (12) comprises a concave opening (121) formed in an outer surface of the end cap (13), and a U-shaped frame (122) fixedly connected to an outer surface of the housing (1), and a limiting groove (123) is formed in the bottom of the U-shaped frame (122).
6. The liquid medicine filter for preventing blood backflow according to claim 5, wherein a connecting rod (124) is rotatably connected to the inside of the concave opening (121), and a limiting block (125) is fixedly connected to the bottom end of the connecting rod (124).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122920919.0U CN216798413U (en) | 2021-11-25 | 2021-11-25 | Liquid medicine filter for preventing blood from flowing back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122920919.0U CN216798413U (en) | 2021-11-25 | 2021-11-25 | Liquid medicine filter for preventing blood from flowing back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216798413U true CN216798413U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122920919.0U Active CN216798413U (en) | 2021-11-25 | 2021-11-25 | Liquid medicine filter for preventing blood from flowing back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216798413U (en) |
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2021
- 2021-11-25 CN CN202122920919.0U patent/CN216798413U/en active Active
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