CN209596313U - A kind of medical Transfusion device with anti-return blood function - Google Patents
A kind of medical Transfusion device with anti-return blood function Download PDFInfo
- Publication number
- CN209596313U CN209596313U CN201920150689.4U CN201920150689U CN209596313U CN 209596313 U CN209596313 U CN 209596313U CN 201920150689 U CN201920150689 U CN 201920150689U CN 209596313 U CN209596313 U CN 209596313U
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- bearing plate
- conduit
- gasket
- plug
- floating block
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Abstract
The utility model discloses a kind of medical Transfusion devices with anti-return blood function, including conduit, floating block and elastic traction line, the conduit is sequentially installed with puncture outfit from top to bottom, dropper, flow regulator, device for preventing blood from returning back and infusion niidl, and gas-guide tube is provided at the top of dropper avris, the inside of the device for preventing blood from returning back offers inner cavity, and the inside of inner cavity is equipped with bearing plate, the bottom of the floating block is provided with bearing plate, the outer wall of the plug is equipped with gasket, the avris of bearing plate bottom is fixed in the upper end of the elastic traction line, and the lower end of elastic traction line is set to the bottom of inner cavity.The medical Transfusion device with anti-return blood function, it is provided with device for preventing blood from returning back, after infusion-completed, plug is under the pulling force that elastic traction line generates, the inside of conduit can be inserted into, and conduit enables to gasket to deform, and so as to block conduit completely, and then effectively avoids the reflux of blood.
Description
Technical field
The utility model relates to the field of medical instrument technology, specially a kind of medical infusion with anti-return blood function
Device.
Background technique
Medical fluid in infusion bottle can be input in the blood vessel of people by infusion apparatus, enable a patient to access treatment, and defeated
Liquid device is all made of parts such as conduit, puncture outfit, dropper, flow regulator, infusion niidl and gas-guide tubes mostly.
However most of existing infusion apparatus is not provided with device for preventing blood from returning back, when medical staff or infusion person be not timely
It was found that infusion-completed, blood can flow back into the inside of infusion apparatus, to will lead to infusion person's excessive blood loss, to the health of infusion person
Cause significant damage.In view of the above-mentioned problems, being badly in need of carrying out innovative design on the basis of original infusion apparatus.
Summary of the invention
The purpose of this utility model is to provide a kind of medical Transfusion devices with anti-return blood function, to solve above-mentioned back
Scape technology proposes that most of existing infusion apparatus is not provided with device for preventing blood from returning back, when medical staff or infusion person do not send out in time
Existing infusion-completed, blood can flow back into the inside of infusion apparatus, to will lead to infusion person's excessive blood loss, make to the health of infusion person
The problem of at significant damage.
To achieve the above object, the utility model provides the following technical solutions: a kind of with the medical of anti-return blood function
Infusion apparatus, including conduit, floating block and elastic traction line, the conduit are sequentially installed with puncture outfit, dropper, flow tune from top to bottom
Device, device for preventing blood from returning back and infusion niidl are saved, and is provided with gas-guide tube at the top of dropper avris, the inside of the device for preventing blood from returning back is opened
Inside equipped with inner cavity, and inner cavity is equipped with bearing plate, and the bottom of the floating block is provided with bearing plate, and the inner wall of bearing plate is solid
Surely there is one end of connecting rod, and the other end of connecting rod is set to the top of plug avris, the outer wall of the plug is equipped with
Gasket, and gasket is located at the lower section of connecting rod, the avris of bearing plate bottom is fixed in the upper end of the elastic traction line, and
The lower end of elastic traction line is set to the bottom of inner cavity.
Preferably, the bearing plate and floating block are both designed as hollow ring structure, and bearing plate and floating block are to paste connection,
And the outer wall of bearing plate and floating block is mutually bonded with the inside of inner cavity.
Preferably, the connecting rod is provided with 3, and connecting rod is angularly distributed about the central axis of plug.
Preferably, the material of the gasket is rubber, and gasket and plug connect to paste, and gasket bottom
Diameter be less than conduit on the inside of diameter, while the diameter at the top of gasket be greater than conduit on the inside of diameter.
Preferably, the elastic traction line is provided with 2, and elastic traction line is symmetrically set about the central axis of bearing plate
It sets.
Compared with prior art, the utility model has the beneficial effects that this has the medical Transfusion device of anti-return blood function,
It is provided with device for preventing blood from returning back, after infusion-completed, plug can be inserted into the inside of conduit under the pulling force that elastic traction line generates,
And conduit enables to gasket to deform, and so as to block conduit completely, and then effectively avoids the reflux of blood；
1, when being full of medical fluid inside the device for preventing blood from returning back, floating block can generate upward buoyancy, enable elastic traction line
It is enough stretched, plug is separated with conduit, medical fluid is flowed in catheter interior, after infusion-completed, anti-blood back
There is no medical fluid inside device, floating block can not be made to generate upward buoyancy, so that elastic traction line generates downward drawing to plug
Power, so that plug can be inserted into the inside of conduit, while the gasket on plug can be squeezed and deformed by conduit, to make
Obtaining conduit can block completely, and then avoid the reflux of blood；
2, the inner wall of the outer wall and device for preventing blood from returning back of bearing plate and floating block is bonded to each other, so that the projection of plug can
When overlapping with the center of conduit, and then ensure that plug moves downward, the inside of conduit can be inserted into.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model device for preventing blood from returning back positive structure diagram；
Fig. 3 is the utility model device for preventing blood from returning back overlooking structure diagram；
Fig. 4 is the utility model gasket schematic perspective view.
In figure: 1, conduit；2, puncture outfit；3, dropper；4, flow regulator；5, device for preventing blood from returning back；6, infusion niidl；7, it leads
Tracheae；8, inner cavity；9, bearing plate；10, floating block；11, connecting rod；12, plug；13, gasket；14, elastic traction line.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of medical infusion with anti-return blood function
Device, including conduit 1, puncture outfit 2, dropper 3, flow regulator 4, device for preventing blood from returning back 5, infusion niidl 6, gas-guide tube 7, inner cavity 8, hold
Weight plate 9, floating block 10, connecting rod 11, plug 12, gasket 13 and elastic traction line 14, conduit 1 is sequentially installed with from top to bottom to be worn
Device 2, dropper 3, flow regulator 4, device for preventing blood from returning back 5 and infusion niidl 6 are pierced, and is provided with gas-guide tube at the top of 3 avris of dropper
7, the inside of device for preventing blood from returning back 5 offers inner cavity 8, and the inside of inner cavity 8 is equipped with bearing plate 9, and the bottom of floating block 10 is provided with
Bearing plate 9, and the inner wall of bearing plate 9 is fixed with one end of connecting rod 11, and the other end of connecting rod 11 is set to plug 12
The top of avris, the outer wall of plug 12 is equipped with gasket 13, and gasket 13 is located at the lower section of connecting rod 11, elastic traction line
The avris of 9 bottom of bearing plate is fixed in 14 upper end, and the lower end of elastic traction line 14 is set to the bottom of inner cavity 8；
Bearing plate 9 and floating block 10 are both designed as hollow ring structure, and bearing plate 9 and floating block 10 are stickup connection, and
The outer wall of bearing plate 9 and floating block 10 is mutually bonded with the inside of inner cavity 8, ensure that bearing plate 9 and floating block 10 will not will be prevented back
Blood device 5 is blocked, and is not in showing for overturning when ensure that bearing plate 9 and floating block 10 are gone up and down inside device for preventing blood from returning back 5
As；
Connecting rod 11 is provided with 3, and connecting rod 11 is angularly distributed about the central axis of plug 12, ensure that plug
12 can be fixed on the middle part of bearing plate 9 by connecting rod 11, so that the projection of bearing plate 9 can be located in conduit 1
At the heart；
The material of gasket 13 is rubber, and gasket 13 and plug 12 connect to paste, and 13 bottom of gasket
Diameter is less than the diameter of 1 inside of conduit, while the diameter at 13 top of gasket is greater than the diameter of 1 inside of conduit, ensure that plug
12 are inserted into the inside of conduit 1, and gasket 13 can deformation occurs, so that conduit 1 can be plugged completely, so as to keep away
Exempt from the reflux of blood；
Elastic traction line 14 is provided with 2, and elastic traction line 14 is symmetrical arranged about the central axis of bearing plate 9, is protected
It has demonstrate,proved when there is no medical fluid inside device for preventing blood from returning back 5, plug 12 can be inserted into conduit 1 by the downward elastic force that elastic traction line 14 generates
Inside.
Working principle: when using the medical Transfusion device with anti-return blood function, puncture outfit 2 is inserted into infusion first
Infusion niidl 6, is then inserted into the blood vessel of people, then the medical fluid inside infusion bottle passes sequentially through puncture outfit 2, leads by the inside of bottle
Pipe 1, dropper 3, device for preventing blood from returning back 5 and infusion niidl 6 flow in the blood vessel of people, and flow regulator 4 can be to 1 inside medical fluid of conduit
Flow velocity be adjusted, when the inside of device for preventing blood from returning back 5 be full of medical fluid when, since floating block 10 can be inside device for preventing blood from returning back 5
It is moved upwards in medical fluid, while floating block 10 is stretched elastic traction line 14 by bearing plate 9, after infusion-completed, anti-blood back dress
It sets inside 5 when there is no medical fluid, floating block 10 can not generate upward buoyancy at this time, and then elastic traction line 14 generates bearing plate 9
Downward pulling force drives internal motion of the plug 12 to conduit 1, while gasket 13 by connecting rod 11 followed by bearing plate 9
It is extruded, so as to block conduit 1 completely, and then the phenomenon that avoid blood backflow.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of medical Transfusion device with anti-return blood function, including conduit (1), floating block (10) and elastic traction line (14),
It is characterized by: the conduit (1) is sequentially installed with puncture outfit (2) from top to bottom, dropper (3), flow regulator (4), prevents back
Blood device (5) and infusion niidl (6), and be provided with gas-guide tube (7) at the top of dropper (3) avris, the device for preventing blood from returning back (5)
Inside offers inner cavity (8), and the inside of inner cavity (8) is equipped with bearing plate (9), and the bottom of the floating block (10) is provided with load-bearing
Plate (9), and the inner wall of bearing plate (9) is fixed with one end of connecting rod (11), and the other end of connecting rod (11) is set to plug
The top of sub (12) avris, the outer wall of the plug (12) is equipped with gasket (13), and gasket (13) is located at connecting rod
(11) avris of bearing plate (9) bottom, and elastic traction line (14) are fixed in the upper end of lower section, the elastic traction line (14)
Lower end be set to the bottoms of inner cavity (8).
2. a kind of medical Transfusion device with anti-return blood function according to claim 1, it is characterised in that: the load-bearing
Plate (9) and floating block (10) are both designed as hollow ring structure, and bearing plate (9) and floating block (10) connect to paste, and load-bearing
The outer wall of plate (9) and floating block (10) is mutually bonded with the inside of inner cavity (8).
3. a kind of medical Transfusion device with anti-return blood function according to claim 1, it is characterised in that: the connection
Bar (11) is provided with 3, and connecting rod (11) is angularly distributed about the central axis of plug (12).
4. a kind of medical Transfusion device with anti-return blood function according to claim 1, it is characterised in that: the sealing
The material for padding (13) is rubber, and gasket (13) pastes connection, and the diameter of gasket (13) bottom with plug (12)
Less than the diameter on the inside of conduit (1), while the diameter at the top of gasket (13) is greater than the diameter on the inside of conduit (1).
5. a kind of medical Transfusion device with anti-return blood function according to claim 1, it is characterised in that: the elasticity
Draught line (14) is provided with 2, and elastic traction line (14) is symmetrical arranged about the central axis of bearing plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150689.4U CN209596313U (en) | 2019-01-29 | 2019-01-29 | A kind of medical Transfusion device with anti-return blood function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150689.4U CN209596313U (en) | 2019-01-29 | 2019-01-29 | A kind of medical Transfusion device with anti-return blood function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209596313U true CN209596313U (en) | 2019-11-08 |
Family
ID=68401064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920150689.4U Active CN209596313U (en) | 2019-01-29 | 2019-01-29 | A kind of medical Transfusion device with anti-return blood function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209596313U (en) |
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2019
- 2019-01-29 CN CN201920150689.4U patent/CN209596313U/en active Active
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