CN212817441U - Transfusion device for preventing blood return and coagulation - Google Patents
Transfusion device for preventing blood return and coagulation Download PDFInfo
- Publication number
- CN212817441U CN212817441U CN201922166696.6U CN201922166696U CN212817441U CN 212817441 U CN212817441 U CN 212817441U CN 201922166696 U CN201922166696 U CN 201922166696U CN 212817441 U CN212817441 U CN 212817441U
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- 239000008280 blood Substances 0.000 title claims abstract description 52
- 210000004369 blood Anatomy 0.000 title claims abstract description 51
- 238000005345 coagulation Methods 0.000 title claims abstract description 16
- 230000015271 coagulation Effects 0.000 title claims abstract description 15
- 238000001802 infusion Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 230000023555 blood coagulation Effects 0.000 claims description 15
- 241001411320 Eriogonum inflatum Species 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 208000007536 Thrombosis Diseases 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a prevent transfusion system that blood returned blood clots, including transfer line, the Murphy's drip cup, flow regulator, bottle plug puncture ware and transfusion needle, its characterized in that: the infusion tube is provided with a blood return coagulation prevention device, the blood return coagulation prevention device comprises a one-way tee and a blood return transfusion device, the one-way tee is provided with a first connector, a second connector and a third connector, the outer end of the first connector is connected with the front end of the infusion tube, a first one-way circulating piece is arranged in the first connector, and liquid can only flow in one way from the outside of the one-way tee to the inside of the one-way tee; the outer end of the second interface is connected with a transfusion needle, a second one-way circulation piece is arranged in the second interface, and the second one-way circulation piece enables liquid to flow from the inside of the one-way tee to the outside of the second interface in a one-way; the outer end of the third interface is connected with a blood return transfusion device, and the inner end of the third interface is directly communicated with the inner cavity of the one-way tee. The utility model discloses not only can prevent back blood, can in time return blood reinfusion back to the patient internal when back blood takes place moreover.
Description
Technical Field
The utility model relates to an infusion apparatus, in particular to an infusion apparatus for preventing blood return and blood coagulation, which belongs to the technical field of medical equipment.
Background
Infusion is one of the common methods for treating diseases at present, an infusion apparatus is a medical article for establishing a channel between a vein and liquid medicine, and the currently clinically used infusion apparatus can cause blood return once the liquid medicine is infused completely or the pressure of a blood vessel at the infusion part of a patient is increased, so that panic emotion of the patient is easily caused, and the treatment on the patient is not facilitated; and the phenomenon of tube blockage and the like can be caused by blood return. Particularly in a delivery room, when a pregnant woman is transfused in production, blood can return once the hands are strong, and the blood of the pregnant woman is in a high-coagulation state, so that the tube blockage or unsmooth transfusion can be easily caused.
The Chinese patent with the application number of CN201320011800.4 discloses an infusion apparatus, which is characterized in that a filter is arranged on an infusion tube, a one-way valve is arranged at the puncture needle end of the filter, and a filter membrane is arranged below the valve. The transfusion device adopting the structure can prevent the blood return phenomenon. However, this structure can only prevent blood from flowing back to the back of the filter in clinical use at most, but part of the blood remains in the pipeline in front of the filter, and the coagulation mechanism of the blood is still activated, thereby causing the pipeline to be blocked.
In order to prevent the above problems, it is necessary to design an infusion apparatus capable of preventing blood coagulation.
Disclosure of Invention
An object of the utility model is to overcome the not enough of existence among the prior art, provide a prevent transfusion system that returns blood coagulation, its structure is ingenious, and reasonable in design not only can prevent to return blood, can in time fail back blood when returning blood to take place moreover, avoids taking place the stifled pipe problem of blood coagulation.
According to the utility model provides a technical scheme: the transfusion device for preventing blood return and coagulation comprises a transfusion tube, a Murphy's drip cup, a flow regulator, a bottle stopper puncture outfit and a transfusion needle, wherein the Murphy's drip cup and the flow regulator are arranged on the transfusion tube, the bottle stopper puncture outfit is connected with the rear end of the transfusion tube, and the transfusion needle is connected with the front end of the transfusion tube; the method is characterized in that: the infusion tube is provided with a blood-return coagulation preventing device, the blood-return coagulation preventing device comprises a one-way tee and a blood-return reinfusion device, the one-way tee is provided with a first connector, a second connector and a third connector, the outer end of the first connector is connected with the front end of the infusion tube, a first one-way circulating piece is arranged in the first connector, and liquid can only flow in one way from the outside of the one-way tee to the inside of the one-way tee; the outer end of the second interface is connected with a transfusion needle, a second one-way circulation piece is arranged in the second interface, and the second one-way circulation piece enables liquid to flow from the inside of the one-way tee to the outside of the second interface in a one-way; the outer end of the third interface is connected with a blood return transfusion device, and the inner end of the third interface is directly communicated with the inner cavity of the one-way tee.
As a further improvement of the utility model, the blood return transfusion device comprises a long cylindrical bag and a bag squeezer, and the long cylindrical bag is in sealed butt joint with the third interface through a connecting pipe; the bag squeezer comprises a front tube body, a rear cover body, a push rod and a handle, wherein the rear end of the front tube body is open, a long cylindrical bag is arranged in the front tube body through the opening, a through hole for the connecting pipe to penetrate out is formed in the front end of the front tube body, the rear cover body is detachably connected to the rear end opening of the front tube body, a push rod hole is formed in the center of the rear cover body, the push rod is movably arranged in the push rod hole in a penetrating mode, the tail end of the push rod is connected with the handle, and the front end of.
As a further improvement, the front pipe body rear end is equipped with the buckle, the back lid front end is equipped with the draw-in groove, mutual joint between front pipe body and the back lid.
As a further improvement, the push rod is a threaded push rod, the center of the rear cover body is provided with a threaded hole, and the threaded push rod is in threaded connection with the threaded hole.
As a further improvement of the present invention, the first one-way circulating member comprises two symmetrically arranged half-moon-shaped flexible sheets, the arc-shaped edges of the two half-moon-shaped flexible sheets are connected with the inner wall of the first connector in a sealing manner, and the straight edges of the two half-moon-shaped flexible sheets are free edges and face the liquid circulating direction; the second one-way flow element has the same structure as the first one-way flow element.
As a further improvement of the utility model, the flexible thin slice of semilune adopts the polyurethane material to make, and the flexible thin slice of semilune is connected with the inner wall bonding of first interface.
As a further improvement, the third interface is equipped with and connects the component soon, connect the component soon and include that the screw thread tightens up the cap, the screw thread tightens up the cap center and is equipped with the through-hole, in the connecting pipe warp through-hole inserted the third interface, install toper external thread joint on the third interface, the last tightening groove of having seted up of toper external thread joint, the screw thread tightens up cap threaded connection on toper external thread joint, and the screw thread tightens up the cap and drives when inwards precessing and tightens up the groove and hold the connecting pipe together.
Compared with the prior art, the utility model, have following advantage:
the utility model discloses the structure is ingenious, and reasonable in design prevents back blood coagulation device through the setting, not only can prevent back blood, can in time return blood feedback back patient internal when the back blood takes place moreover, avoids taking place the stifled pipe problem of blood coagulation, and the blood feedback that does not congeal is not problematic, is favorable to alleviateing patient's intense mood.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a one-way three-way valve in the blood-backflow preventing and blood-coagulating device.
Fig. 3 is an enlarged view of a-a in fig. 2 in a partial sectional view.
Fig. 4 is an enlarged schematic view of the structure of the blood returning transfusion device in the blood returning prevention coagulation device.
Description of reference numerals: 1-transfusion tube, 2-Murphy's drip cup, 3-flow regulator, 4-bottle stopper puncture outfit, 5-transfusion needle, 6-one-way tee, 61-first interface, 62-second interface, 63-third interface, 7-first one-way circulation piece, 8-second one-way circulation piece, 9-blood return transfusion device, 91-long cylindrical bag, 92-bag squeezer, 921-front tube body, 9211-buckle, 922-rear cover body, 9221-clamping groove, 923-push rod, 924-handle, 93-connecting tube, 10-thread tightening cap, 11-conical external thread joint and 111-tightening groove.
Detailed Description
The invention is further described with reference to the following specific drawings and examples.
As shown in fig. 1, the embodiment discloses a blood-return-prevention coagulation infusion apparatus, which comprises an infusion tube 1, a murphy's drip cup 2, a flow regulator 3, a bottle stopper puncture outfit 4 and an infusion needle 5, wherein the murphy's drip cup 2 and the flow regulator 3 are arranged on the infusion tube 1, the bottle stopper puncture outfit 4 is connected to the rear end of the infusion tube 1, and the infusion needle 5 is connected to the front end of the infusion tube 1; the infusion tube 1 is provided with a blood-return coagulation preventing device, the blood-return coagulation preventing device comprises a one-way tee 6 and a blood-return transfusion device 9, the one-way tee 6 is provided with a first connector 61, a second connector 62 and a third connector 63, the outer end of the first connector 61 is connected with the front end of the infusion tube 1, a first one-way circulating piece 7 is arranged in the first connector 61, and liquid can only flow from the outside of the one-way tee 6 to the inside of the one-way tee 6 in a one-way mode through the first one-way circulating piece 7; the outer end of the second interface 62 is connected with an infusion needle 5, a second one-way circulation piece 8 is arranged in the second interface 62, and the second one-way circulation piece 8 enables liquid to flow only from the inside of the one-way tee 6 to the outside of the second interface 62 in a one-way manner; the outer end of the third interface 63 is connected with the blood return transfusion device 9, and the inner end of the third interface 63 is directly communicated with the inner cavity of the one-way tee 6.
In specific use, firstly, the transfusion is carried out according to the normal transfusion operation rules, and in the transfusion process, part of the liquid medicine in the transfusion bag enters the blood return transfusion device 9 to be pre-stored. When the patient has blood return during transfusion, the second one-way flow element 8 is arranged in the second port 62, so that the blood return can only return to the second port 62 at most. At this moment, whether blood coagulation occurs or not is firstly checked by medical personnel, if the blood coagulation does not occur, the blood return transfusion device 9 is operated, the liquid medicine prestored in the blood return transfusion device 9 is extruded out, and the first one-way circulating piece 7 is arranged in the first interface 61, so that the liquid medicine prestored in the blood return transfusion device 9 can only flow out of the third interface 63, the pressure generated by extruding the blood return transfusion device 9 is greater than the pressure of blood vessels in the patient body, the blood return transfusion can be carried back into the patient body, the blood return transfusion without coagulation has no problem, and the tension of the patient is favorably relieved.
As shown in fig. 1 and 4, in the present embodiment, the blood return transfusion device 9 includes an elongated cylindrical bladder 91 and a bladder squeezer 92, and the elongated cylindrical bladder 91 is in sealed interface with the third port 63 through a connecting tube 93; bag squeezer 92 includes preceding body 921, back lid 922, push rod 923 and handle 924, preceding body 921 rear end opening, long cylindric bag 91 is packed into in preceding body 921 by the opening, and preceding body 921 front end is equipped with the through-hole that supplies connecting pipe 93 to wear out, back lid 922 can dismantle the connection at preceding body 921 rear end opening part, and back lid 922 center is equipped with the push rod 923 hole, push rod 923 activity is worn to establish in push rod 923 hole, push rod 923 trailing end connection handle 924, and the push rod 923 front end is used for the extrusion long cylindric bag 91. So set up, during liquid medicine prestores long cylindric bag 91, when needs will return blood back transfusion, medical personnel just can extrude the liquid medicine in long cylindric bag 91 at the uniform velocity operating push rod 923 of bag squeezer 92. And the bladder squeezer 92 may be reused.
As shown in fig. 4, in this embodiment, a buckle 9211 is disposed at the rear end of the front tube 921, a slot 9221 is disposed at the front end of the rear cover 922, and the front tube 921 and the rear cover 922 are clamped to each other. So set up, can assemble fast or dismantle separately between preceding body 921 and the back lid 922.
As shown in fig. 4, in this embodiment, the push rod 923 is a threaded push rod, a threaded hole is formed in the center of the rear cover 922, and the threaded push rod is in threaded connection with the threaded hole. By the arrangement, the liquid medicine in the long cylindrical bag 91 is extruded and controlled more accurately, and the pain of blood return and return transfusion is relieved.
As shown in fig. 2, in this embodiment, the first one-way flow-through component 7 includes two half-moon-shaped flexible sheets 71 symmetrically arranged, the arc-shaped edges of the two half-moon-shaped flexible sheets 71 are connected with the inner wall of the first connector 61 in a sealing manner, and the straight edges of the two half-moon-shaped flexible sheets 71 are free edges and face the liquid flow direction; the second one-way flow element 8 has the same structure as the first one-way flow element 7. With the arrangement, when liquid backflow occurs, the free edges of the two half-moon-shaped flexible sheets 71 are tightly attached without gaps, so that the liquid backflow can be effectively prevented. The flexible half-moon-shaped sheet 71 is preferably made of polyurethane, and the flexible half-moon-shaped sheet 71 is adhesively connected to the inner wall of the first port 61.
As shown in fig. 2 and 3, in this embodiment, the third interface 63 is provided with a quick connection member, the quick connection member includes a threaded tightening cap 10, a through hole is formed in the center of the threaded tightening cap 10, the connection pipe 93 is inserted into the third interface 63 through the through hole, a tapered male connector 11 is installed on the third interface 63, a tightening groove 111 is formed in the tapered male connector 11, the threaded tightening cap 10 is in threaded connection with the tapered male connector 11, and the threaded tightening cap 10 drives the tightening groove 111 to close and hold the connection pipe 93 when screwed inwards. So set up, can realize returning blood back transfusion device 9's quick reliable connection, reduce medical personnel's working strength.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.
Claims (7)
1. The transfusion device capable of preventing blood return and blood coagulation comprises a transfusion tube (1), a Murphy's drip cup (2), a flow regulator (3), a bottle stopper puncture outfit (4) and a transfusion needle (5), wherein the Murphy's drip cup (2) and the flow regulator (3) are arranged on the transfusion tube (1), the bottle stopper puncture outfit (4) is connected to the rear end of the transfusion tube (1), and the transfusion needle (5) is connected to the front end of the transfusion tube (1); the method is characterized in that: the infusion tube (1) is provided with a blood return coagulation prevention device, the blood return coagulation prevention device comprises a one-way tee joint (6) and a blood return transfusion device (9), the one-way tee joint (6) is provided with a first connector (61), a second connector (62) and a third connector (63), the outer end of the first connector (61) is connected with the front end of the infusion tube (1), a first one-way circulation piece (7) is arranged in the first connector (61), and liquid can only flow in one way from the outside of the one-way tee joint (6) to the inside of the one-way tee joint (6) through the first one-way circulation piece (7); the outer end of the second interface (62) is connected with the transfusion needle (5), a second one-way circulation piece (8) is arranged in the second interface (62), and the second one-way circulation piece (8) enables liquid to flow to the outside of the second interface (62) in one way only from the inside of the one-way tee (6); the outer end of the third interface (63) is connected with the blood return transfusion device (9), and the inner end of the third interface (63) is directly communicated with the inner cavity of the one-way tee joint (6).
2. The anti-bleeding blood coagulation infusion set according to claim 1, characterized in that: the blood return transfusion device (9) comprises an elongated cylindrical bag (91) and a bag squeezer (92), wherein the elongated cylindrical bag (91) is in sealing butt joint with the third interface (63) through a connecting pipe (93); bag squeezer (92) are including preceding body (921), back lid (922), push rod (923) and handle (924), preceding body (921) rear end opening, long cylindric bag (91) are packed into in preceding body (921) by the opening, and preceding body (921) front end is equipped with the through-hole that supplies connecting pipe (93) to wear out, body (921) rear end opening part in the front can be dismantled in back lid (922), and back lid (922) center is equipped with push rod (923) hole, it is downthehole at push rod (923) to wear to establish in push rod (923) activity, and push rod (923) trailing end connection handle (924), push rod (923) front end are used for the extrusion long cylindric bag (91).
3. The anti-bleeding blood coagulation infusion set according to claim 2, wherein: preceding body (921) rear end is equipped with buckle (9211), back lid (922) front end is equipped with draw-in groove (9221), mutual joint between preceding body (921) and back lid (922).
4. The anti-bleeding blood coagulation infusion set according to claim 2, wherein: push rod (923) are the screw thread push rod, back lid (922) center is equipped with the screw hole, screw thread push rod threaded connection be in the screw hole.
5. The anti-bleeding blood coagulation infusion set according to claim 1, characterized in that: the first one-way circulating piece (7) comprises two symmetrically-arranged half-moon-shaped flexible sheets (71), the arc edges of the two half-moon-shaped flexible sheets (71) are connected with the inner wall of the first connector (61) in a sealing mode, and the straight edges of the two half-moon-shaped flexible sheets (71) are free edges and face the liquid circulating direction; the second one-way flow element (8) has the same structure as the first one-way flow element (7).
6. The anti-bleeding blood coagulation infusion set according to claim 5, wherein: the half-moon-shaped flexible sheet (71) is made of a polyurethane material, and the half-moon-shaped flexible sheet (71) is connected with the inner wall of the first interface (61) in an adhesion mode.
7. The anti-bleeding blood coagulation infusion set according to claim 2, wherein: third interface (63) are equipped with the quick-connect component, the quick-connect component includes that screw thread tightens up cap (10), and screw thread tightens up cap (10) center and is equipped with the through-hole, in connecting pipe (93) warp the through-hole inserts third interface (63), install toper external thread joint (11) on the third interface 63, tightening groove (111) have been seted up on toper external thread joint (11), screw thread tightens up cap (10) threaded connection on toper external thread joint (11), and screw thread tightens up cap (10) and drives when inwards precession and tightens up groove (111) and close up and hold connecting pipe (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166696.6U CN212817441U (en) | 2019-12-05 | 2019-12-05 | Transfusion device for preventing blood return and coagulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166696.6U CN212817441U (en) | 2019-12-05 | 2019-12-05 | Transfusion device for preventing blood return and coagulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212817441U true CN212817441U (en) | 2021-03-30 |
Family
ID=75112094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922166696.6U Expired - Fee Related CN212817441U (en) | 2019-12-05 | 2019-12-05 | Transfusion device for preventing blood return and coagulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212817441U (en) |
-
2019
- 2019-12-05 CN CN201922166696.6U patent/CN212817441U/en not_active Expired - Fee Related
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| 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: 20210330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |