CN212262059U - Disposable transfusion device capable of automatically stopping transfusion - Google Patents
Disposable transfusion device capable of automatically stopping transfusion Download PDFInfo
- Publication number
- CN212262059U CN212262059U CN202020546009.3U CN202020546009U CN212262059U CN 212262059 U CN212262059 U CN 212262059U CN 202020546009 U CN202020546009 U CN 202020546009U CN 212262059 U CN212262059 U CN 212262059U
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- Prior art keywords
- liquid
- pipe
- floating block
- liquid outlet
- liquid level
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- 239000007788 liquid Substances 0.000 claims abstract description 176
- 238000001802 infusion Methods 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 52
- 238000004026 adhesive bonding Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 239000008280 blood Substances 0.000 abstract description 7
- 210000004369 blood Anatomy 0.000 abstract description 7
- 230000003340 mental effect Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 230000000474 nursing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a disposable transfusion device capable of automatically stopping transfusion, which comprises an upper dropping liquid pipe, a lower dropping liquid pipe, an upper flow regulator, a lower flow regulator and a dropping liquid device, wherein a self-plugging mechanism is arranged in the cavity of the dropping liquid device, the self-plugging mechanism comprises a limiting pipe, the first end of the limiting pipe is arranged on the inner cavity wall of the liquid outlet side of the dropping liquid device, a floating block is arranged in the limiting pipe, and the liquid outlet is communicated with the cavity of the limiting pipe; the pipe wall of the limiting pipe is provided with a flow strip-shaped hole, and the pipe cavity of the limiting pipe is communicated with the cavity of the drip chamber through the flow strip-shaped hole; through the buoyancy of floating block at liquid, let the floating block float in spacing intraductal, along with the decline of dropping liquid ware intracavity liquid level, let floating block and liquid outlet mutually support the shutoff liquid outlet, realize that the infusion finishes the back self-sealing liquid outlet, prevent back blood, alleviate medical personnel's mental pressure and burden, still guarantee patient's normal infusion.
Description
Technical Field
The utility model belongs to the technical field of medical instrument technique and specifically relates to a disposable transfusion system of automatic stop infusion.
Background
The drip infusion device is a medical appliance used for carrying out intravenous administration on patients, when carrying out drip infusion, nursing staff need the administration condition of medicaments provided by the patients or accompanying staff in a matching way, such as whether the medicine is completely dripped or the medicine in the infusion apparatus flows unsmoothly, etc., so that the nursing staff can complete the corresponding infusion operation, but due to the negligence of the patient or the accompanying staff, particularly, in the time period from night to early morning, when patients or accompanying personnel are tired, transfusion problems such as unsmooth medicine flow, blood return phenomenon after the medicine is dripped off and the like are easy to occur, which not only gives mental stress and burden to nursing personnel, patients and accompanying personnel, and the life safety of the patient is threatened, so that a disposable infusion apparatus capable of automatically stopping infusion is needed, the infusion can be automatically stopped when the infusion of the patient is finished, the blood backflow is prevented, and the infusion finishing prompt is given.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic disposable transfusion system of stopping infusion can be when the patient infusion finishes, and the automatic stop infusion prevents the blood backward flow and give the infusion suggestion that finishes, alleviates medical personnel, patient and attendant's mental pressure and health burden.
In order to achieve the above object, the present invention comprises:
the utility model provides an automatic disposable transfusion system of infusion stops, includes dropping liquid pipe, lower dropping liquid pipe, goes up flow regulator, lower flow regulator and dropping liquid ware, the inlet of dropping liquid ware is connected go up the dropping liquid pipe, the liquid outlet of dropping liquid ware is connected lower dropping liquid pipe, it sets up to go up flow regulator last dropping liquid pipe, lower flow regulator sets up on the lower dropping liquid pipe, its key lies in:
the utility model discloses a drip chamber, including the drip chamber, be provided with in the drip chamber intracavity and from sealing mechanism, should seal the mechanism from sealing mechanism and include spacing pipe, the first end setting of spacing pipe is in on the inner chamber wall of the liquid outlet side of drip chamber, be provided with the kicking block in the spacing pipe, the shape of this kicking block with the shape of liquid outlet suits, the second end port of spacing pipe is provided with the stopper, the liquid outlet with the lumen intercommunication of spacing pipe.
At least one overflowing strip-shaped hole is formed in the wall of the limiting pipe, and the limiting pipe cavity is communicated with the inner cavity of the drip chamber through the overflowing strip-shaped hole.
The dropping device is provided with a liquid level detection mechanism, the liquid level detection mechanism comprises a liquid level sensor and a detection control assembly, and the liquid level detection mechanism is fixed on the outer cavity wall of the dropping device.
By adopting the design, the self-plugging mechanism is arranged in the liquid dropper, and the floating block in the self-plugging mechanism is kept away from the liquid outlet according to the liquid level of the liquid dropper through the buoyancy of the floating block in the self-plugging mechanism when the liquid dropper normally infuses, so that the liquid outlet is kept smooth and normal infusion is realized; when the liquid level drops, the floating block blocks the liquid outlet along with the drop of the liquid level, the transfusion is stopped, and the blood return is prevented; the floating stroke of the floating block can be limited through the limiting pipe, so that the floating block can be accurately matched with the liquid outlet when the floating block descends along with the liquid level, and the liquid outlet is sealed; the limiting block arranged on the limiting pipe can prevent the floating block from influencing the liquid inlet of the liquid dropper along with the rise of the liquid level; the liquid level sensor of the liquid level detection mechanism detects liquid in the drip device, and the liquid level in the drip device is prompted to exceed a set range through the detection control assembly, so that medical workers are reminded to check the transfusion condition, and the mental pressure and the physical burden of the medical workers, patients and accompanying personnel are relieved.
Further, a conical surface hole communicated with the liquid outlet is formed in the inner cavity wall of the liquid dropping device on the liquid outlet side, and the axial line of the conical surface hole is coincident with the axial line of the limiting pipe.
The first end face of the floating block close to the liquid outlet extends out of a sealing round table, the side face of the sealing round table is matched with the side wall of the conical hole, the floating block floats to the first end port of the limiting pipe, and the sealing round table and the conical hole are matched with each other to block the liquid outlet.
By adopting the scheme, the liquid outlet in the cavity of the liquid dropper is designed into the conical surface hole, and the sealing circular truncated cone on the first end surface of the floating block and the conical surface hole are matched with each other to seal the liquid outlet; the conical surface of the conical surface hole plays a guiding role when the floating block is in butt joint with the conical surface hole, and the sealing effect of the liquid outlet and the floating block can be improved.
Still further, an anti-sticking bump extends from a side surface of the limiting block close to the floating block.
The second terminal surface of keeping away from in the kicking block the liquid outlet be provided with antiseized lug position corresponding recess, the kicking block floats to spacing pipe second end port, the recess on the second terminal surface of kicking block with antiseized lug is mutually supported the butt the kicking block.
By adopting the scheme, when the floating block floats to the pipe orifice of the limiting pipe, the floating block cannot be tightly attached to the limiting block, so that the liquid outlet cannot be blocked along with the falling of the liquid level because the floating block is still attached to the limiting block when the liquid level falls; through recess and antiseized lug and mutually supporting, can not lead to the kicking block slope because of antiseized lug butt, when the influence descends to spacing pipe first port, can not mutually support with the liquid outlet.
Still further, the installation height of the limiting pipe on the dripper is lower than the installation height of the liquid level sensor on the dripper.
By adopting the scheme, the floating block in the limiting pipe is prevented from influencing the detection data of the liquid level sensor.
Still further, the dripper is provided with at least one detection position of the liquid level sensor on the outer cavity wall.
The liquid level sensor is provided with a thread gluing belt, one end of the thread gluing belt is fixed on the liquid level sensor, the other end of the thread gluing belt is sequentially provided with a thorn hair section and a round hair section, the liquid level sensor is attached to the outer cavity wall of the drip device through the thread gluing belt, and the thread gluing belt is matched with the thorn hair section and the round hair section on the thread gluing belt to fix the liquid level sensor on a detection position of the outer cavity wall of the drip device.
By adopting the scheme, the liquid level sensor is arranged at the detection position of the outer cavity wall of the drip device through the adhesive tape, and the detection position is adaptively selected according to the transfusion condition of a patient.
Still further, the density of the sealing circular truncated cone is greater than or equal to that of the floating block, and the density of the floating block is less than that of water.
By adopting the scheme, the floating block can float and rise along with the rise of the liquid and float and fall along with the fall of the liquid level; and the density of the sealing round table is greater than that of the floating block, so that the sealing round table always faces the liquid outlet.
Still further describe, the liquid level detection mechanism is provided with a liquid level alarm circuit, and this liquid level alarm circuit includes the control unit and the detecting element, the signal input part of the control unit is connected the signal output part of the detecting element, the control unit sets up on the detection control subassembly, the detecting element sets up on level sensor.
The control unit comprises a controller U1, a signal input end of the controller U1 is used as a signal input end of the detection control assembly, a power supply end of the controller U1 is connected with a power supply E through a liquid level monitoring switch K, a grounding end of the controller U1 is grounded, a control output end of the controller U1 is connected with an anode of a diode indicator lamp D, a cathode of the diode indicator lamp D is grounded, and a control output end of the controller U1 is grounded through a buzzer F.
And the signal output end of the liquid level sensor is used as the signal output end of the detection unit.
By adopting the scheme, the liquid level sensor detects whether liquid exists at the detection position of the liquid dropper, if so, the liquid infusion is normal, and the control unit does not send alarm information; otherwise, the infusion is abnormal, and the control unit sends alarm information to remind medical personnel and deal with the infusion problem.
The utility model has the advantages that: by arranging the self-plugging mechanism in the liquid dropper, the floating block is far away from the liquid outlet according to the liquid level of the liquid dropper when the liquid dropper normally infuses through the buoyancy of the floating block in the self-plugging mechanism, so that the liquid outlet is kept smooth and normal infusion is realized; when the liquid level drops, the floating block blocks the liquid outlet along with the drop of the liquid level, and the transfusion is stopped to prevent blood return; the floating stroke of the floating block is limited by the limiting pipe, so that the floating block can be accurately matched with the liquid outlet when the floating block descends along with the liquid level, and the liquid outlet is sealed; the limiting block arranged on the limiting pipe can prevent the floating block from influencing the liquid inlet of the liquid dropper along with the rise of the liquid level; the liquid level sensor of the liquid level detection mechanism detects liquid in the drip device, and then the detection control assembly prompts that the liquid level in the drip device exceeds a set range to remind medical personnel to check the transfusion condition.
Drawings
FIG. 1 is a structural view of the present invention;
fig. 2 is a partial view of the present invention;
FIG. 3 is a block diagram of the liquid level alarm circuit of the present invention;
fig. 4 is a circuit diagram of the liquid level alarm circuit of the present invention.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As can be seen from fig. 1, 2 and 3, a disposable infusion apparatus capable of automatically stopping infusion comprises an upper dropping tube 1, a lower dropping tube 4, an upper flow regulator 2, a lower flow regulator 5 and a dropping device 3, wherein the upper dropping tube 1 is connected to a liquid inlet of the dropping device 3, the lower dropping tube 4 is connected to a liquid outlet 34 of the dropping device, the upper flow regulator 2 is arranged on the upper dropping tube 1, and the lower flow regulator 5 is arranged on the lower dropping tube 4:
a self-plugging mechanism is arranged in the cavity of the liquid dropper 3, the self-plugging mechanism comprises a limiting pipe 31, the first end of the limiting pipe 31 is arranged on the wall of the inner cavity on the liquid outlet side of the liquid dropper 3, a floating block 32 is arranged in the limiting pipe 31, the shape of the floating block 32 is matched with that of the liquid outlet 34, a limiting block 36 is arranged at the port of the second end of the limiting pipe 31, and the liquid outlet 34 is communicated with the cavity of the limiting pipe 31.
In this embodiment, four overflowing strip-shaped holes 33 are formed in the wall of the limiting pipe 31, the four overflowing strip-shaped holes are uniformly formed in the limiting pipe respectively, each overflowing strip-shaped hole is formed in a hole to the first end port of the limiting pipe, and the cavity of the limiting pipe 31 is communicated with the cavity of the drip chamber 3 through the overflowing strip-shaped holes 33.
The dripper 3 is provided with a liquid level detection mechanism 6, the liquid level detection mechanism 6 comprises a liquid level sensor 61 and a detection control component 62, and the liquid level sensor 61 is fixed on the outer cavity wall of the dripper 3.
As can be seen from fig. 1 and 2, the inner cavity wall of the liquid outlet side of the drip chamber 3 is provided with a conical hole communicated with the liquid outlet 34, and the axial line of the conical hole coincides with the axial line of the limiting tube 31.
The first end face of the floating block 32 close to the liquid outlet 34 extends out of a sealing circular truncated cone, the side face of the sealing circular truncated cone is matched with the side wall of the conical hole, the floating block 32 floats to the first end port of the limiting tube 31, and the sealing circular truncated cone and the conical hole are matched with each other to block the liquid outlet 34.
As can be seen from fig. 1 and 2, an anti-sticking bump 35 extends from one side surface of the limiting block 36 close to the floating block 32, the floating block 32 floats to the second end port of the limiting tube 31, and the second end surface of the floating block 32 far from the liquid outlet 34 abuts against the anti-sticking bump 35.
As can be seen from fig. 1 and 2, the mounting height of the limiting tube 31 on the drip chamber 3 is lower than the mounting height of the level sensor 61 on the drip chamber 3.
As can be seen from fig. 1 and fig. 2, in this embodiment, the dropping device 3 is provided with three detection positions of the liquid level sensor 61 on the outer cavity wall, where the three detection positions are a fast flow rate detection position, a medium flow rate detection position, and a low flow rate detection position.
The liquid level sensor 61 is provided with a fastening tape 63, one end of the fastening tape 63 is fixed on the liquid level sensor 61, the other end of the fastening tape 63 is sequentially provided with a barbed hair section and a round hair section, the liquid level sensor 61 is attached to the outer cavity wall of the drip emitter 3 through the fastening tape 63, the fastening tape 63 is matched with the round hair section through the barbed hair section of the fastening tape 63, and the liquid level sensor 61 is fixed on one of three detection positions of the outer cavity wall of the drip emitter 3.
As can be seen from fig. 1 and 2, in the present embodiment, the density of the sealing circular truncated cone is greater than or equal to that of the floating block, and the density of the floating block is less than that of water; the floating block and the sealing circular truncated cone extended from the floating block are made of transparent rubber.
As can be seen from fig. 1 and 2, the liquid level detection mechanism 6 is provided with a liquid level alarm circuit, which includes a control unit and a detection unit, wherein a signal input end of the control unit is connected with a signal output end of the detection unit, the control unit is arranged on the detection control component 62, and the detection unit is arranged on the liquid level sensor 61.
The control unit comprises a controller U1, a signal input end of the controller U1 is used as a signal input end of the detection control component 62, a power supply end of the controller U1 is connected with a power supply E through a liquid level monitoring switch K, a grounding end of the controller U1 is grounded, a control output end of the controller U1 is connected with an anode of a diode indicator lamp D, a cathode of the diode indicator lamp D is grounded, and a control output end of the controller U1 is grounded through a buzzer F.
The signal output of the level sensor 61 serves as the signal output of the detection unit.
Further alleviate medical personnel operating pressure, can see from fig. 3, liquid level detection mechanism 6 still is provided with the communication unit, the communication unit includes wireless communication module, be provided with every liquid level detection mechanism 6's the serial number that corresponds in this wireless communication module, wireless communication module connection director U1's output, when controller U1 output high level, wireless communication module will represent liquid level detection mechanism correspond the serial number and send to nurse station's client on, inform medical personnel's the position of the liquid level detection mechanism who reports to the police and its bed and patient that correspond.
The utility model discloses a theory of operation:
the liquid dropper enables the floating block to float in the limiting pipe through the buoyancy of the floating block in liquid, and the floating block and the liquid outlet are matched with each other to block the liquid outlet along with the reduction of the liquid level in the cavity of the liquid dropper, so that the liquid outlet is automatically sealed after the infusion is finished, and the blood return is prevented; wherein, when the floating block floated to spacing pipe second end port, thereby be provided with the stopper and prevent that the floating block from continuing to rise and influence the inlet feed liquid.
Level sensor detects the drip ware liquid level, if do not detect liquid at the detection position, the detecting element among the liquid level detection mechanism sends the low level to the control unit among the liquid level control subassembly, and the controller among the control unit receives low level output high level and makes diode scintillation, bee calling organ vibration sound production to remind medical personnel to handle the infusion problem, the inspection is that the infusion finishes or the velocity of flow is too fast.
Claims (7)
1. The utility model provides an automatic disposable transfusion system of infusion stops, includes dropping liquid pipe (1), dropping liquid pipe (4) down, goes up flow regulator (2), lower flow regulator (5) and dropping liquid ware (3), the inlet of dropping liquid ware (3) is connected go up dropping liquid pipe (1), the liquid outlet (34) of dropping liquid ware are connected dropping liquid pipe (4) down, it sets up to go up flow regulator (2) go up on dropping liquid pipe (1), lower flow regulator (5) set up on dropping liquid pipe (4) down, its characterized in that:
a self-plugging mechanism is arranged in the cavity of the liquid dropper (3), the self-plugging mechanism comprises a limiting tube (31), the first end of the limiting tube (31) is arranged on the inner cavity wall of the liquid outlet side of the liquid dropper (3), a floating block (32) is arranged in the limiting tube (31), the shape of the floating block (32) is matched with that of the liquid outlet (34), a limiting block (36) is arranged at the port of the second end of the limiting tube (31), and the liquid outlet (34) is communicated with the cavity of the limiting tube (31);
the pipe wall of the limiting pipe (31) is provided with at least one overflowing strip-shaped hole (33), and the pipe cavity of the limiting pipe (31) is communicated with the inner cavity of the liquid dropper (3) through the overflowing strip-shaped hole (33);
the drip ware (3) is provided with liquid level detection mechanism (6), and this liquid level detection mechanism (6) include level sensor (61) and detection control assembly (62), level sensor (61) are fixed on the outer chamber wall of drip ware (3).
2. The disposable infusion set capable of automatically stopping infusion according to claim 1, wherein a conical surface hole communicated with the liquid outlet (34) is formed in the inner cavity wall of the liquid dropper (3) on the liquid outlet side, and the axial line of the conical surface hole is coincident with the axial line of the limiting tube (31);
the first end face of the floating block (32) close to the liquid outlet (34) extends out of a sealing circular truncated cone, the side face of the sealing circular truncated cone is matched with the side wall of the conical hole, the floating block (32) floats to the first end port of the limiting pipe (31), and the sealing circular truncated cone and the conical hole are matched with each other to block the liquid outlet (34).
3. The disposable infusion set for automatically stopping infusion according to claim 2, wherein an anti-sticking bump (35) extends from one side surface of the limiting block (36) close to the floating block (32), the floating block (32) floats to the second end port of the limiting tube (31), and the second end surface of the floating block (32) far away from the liquid outlet (34) abuts against the anti-sticking bump (35).
4. The disposable infusion set for automatically stopping infusion according to claim 3, wherein the mounting height of the limiting tube (31) on the drip chamber (3) is lower than the mounting height of the liquid level sensor (61) on the drip chamber (3).
5. The disposable infusion set for automatically stopping infusion according to claim 4, characterized in that the drip chamber (3) is provided with a detection position of at least one of the level sensors (61) on the outer chamber wall;
be provided with thread gluing area (63) on level sensor (61), the one end of this thread gluing area (63) is fixed on level sensor (61), the other end of thread gluing area (63) has set gradually thorn hair section and circle hair section, level sensor (61) through thread gluing area (63) with the outer cavity wall laminating of drip ware (3), thread gluing area (63) warp thorn hair section and circle hair section on thread gluing area (63) cooperate each other, fix level sensor (61) on a detection position of drip ware (3) outer cavity wall.
6. The disposable infusion set for automatically stopping infusion according to claim 5, wherein the density of the sealing truncated cone is greater than or equal to the density of the floating block (32), and the density of the floating block (32) is less than the density of water.
7. The disposable infusion set for automatically stopping infusion according to claim 1 or 6, wherein the liquid level detection mechanism (6) is provided with a liquid level alarm circuit, the liquid level alarm circuit comprises a control unit and a detection unit, a signal input end of the control unit is connected with a signal output end of the detection unit, the control unit is arranged on the detection control assembly (62), and the detection unit is arranged on a liquid level sensor (61);
the control unit comprises a controller U1, a signal input end of the controller U1 is used as a signal input end of the detection control component (62), a power supply end of the controller U1 is connected with a power supply E through a liquid level monitoring switch K, a grounding end of the controller U1 is grounded, a control output end of the controller U1 is connected with an anode of a diode indicator lamp D, a cathode of the diode indicator lamp D is grounded, and a control output end of the controller U1 is grounded through a buzzer F;
and the signal output end of the liquid level sensor (61) is used as the signal output end of the detection unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020546009.3U CN212262059U (en) | 2020-04-14 | 2020-04-14 | Disposable transfusion device capable of automatically stopping transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020546009.3U CN212262059U (en) | 2020-04-14 | 2020-04-14 | Disposable transfusion device capable of automatically stopping transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212262059U true CN212262059U (en) | 2021-01-01 |
Family
ID=73876242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020546009.3U Expired - Fee Related CN212262059U (en) | 2020-04-14 | 2020-04-14 | Disposable transfusion device capable of automatically stopping transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212262059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467605A (en) * | 2020-04-14 | 2020-07-31 | 西南医科大学附属医院 | Disposable infusion apparatus with prompting and automatic infusion stopping functions and control method thereof |
-
2020
- 2020-04-14 CN CN202020546009.3U patent/CN212262059U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467605A (en) * | 2020-04-14 | 2020-07-31 | 西南医科大学附属医院 | Disposable infusion apparatus with prompting and automatic infusion stopping functions and control method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 |