CN104740712A - Automatic bottle replacing type infusion device - Google Patents
Automatic bottle replacing type infusion device Download PDFInfo
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- CN104740712A CN104740712A CN201510181728.3A CN201510181728A CN104740712A CN 104740712 A CN104740712 A CN 104740712A CN 201510181728 A CN201510181728 A CN 201510181728A CN 104740712 A CN104740712 A CN 104740712A
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- sealing block
- housing
- inlet
- sealing
- infusion apparatus
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- 238000001802 infusion Methods 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 134
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 239000003814 drug Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000013011 mating Effects 0.000 claims description 10
- 229940079593 drug Drugs 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 2
- 208000005189 Embolism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000890 drug combination Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1407—Infusion of two or more substances
- A61M5/1408—Infusion of two or more substances in parallel, e.g. manifolds, sequencing valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16827—Flow controllers controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/0007—Special media to be introduced, removed or treated introduced into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention belongs to the field of infusion devices, and specifically relates to an automatic bottle replacing type infusion device. The device comprises an infusion tee joint which is a reversed flowing preventing tee joint, comprising a housing and two sealing blocks, wherein the two sealing blocks are positioned in the housing and can move up and down; two liquid inlets are formed in the upper end of the housing, and while a liquid outlet is formed in the lower end of the housing; the two sealing blocks are respectively correspondingly arranged below the two liquid inlets and can stop the liquid inlets; the density of the sealing blocks are less than that of water; a stopping plate for separating the two sealing blocks is fixed in the housing. The device is simple and reasonable in structure; when in infusion, that two water stopping clamps are opened and closed after waiting for the finish the first group of medicine liquid infusion can be avoided; two group of liquid medicines can be sequentially controlled by simply controlling the opening and closing sequence of the two water stop clamps at the beginning of infusion; the use is safe and convenient; the operation is fast and reliable.
Description
Technical field
The present invention relates to a kind of automatic decanting infusion apparatus that can control transfusion order, belong to transfusion instrument field.
Background technology
Venous transfusion is the Therapeutic Method extensively adopted in clinical treatment, and there is the situation of drug combination more, common Dual-head infusion device in use, in order to realize the function of sequential infusions two groups of medicinal liquids, first must only open a tongs between bottle plug puncture unit and threeway, after its medicinal liquid infusion terminates, close this tongs, open the tongs between another bottle plug puncture unit and threeway simultaneously, operate more, add workload to nursing staff.If after first group of medicinal liquid infused, do not perform in time and change bottle operation, not only lose time, and have transfusion device stream empty, cause the possibility of the danger such as sufferer generation blood vessel embolism.Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: provide in a kind of infusion process and need not manual intervention can realize automatically controlling transfusion automatic decanting infusion apparatus sequentially.
Automatic decanting infusion apparatus of the present invention, comprise infusion tee, infusion tee is counterflow-preventing threeway, be made up of housing and two sealing blocks that can move up and down being positioned at housing, there are two inlets housing upper end, and there is a liquid outlet lower end, and two sealing blocks respectively correspondence to be arranged on below two inlets and can to stop inlet, the density ratio water of described sealing block is little, and the inside of housing fixes one by the separated catch of two sealing blocks.
In the counterflow-preventing threeway of this transfusion device, because the density ratio water of sealing block is little, sealing block can fluctuate with the increase and decrease of liquid level in the housing hollow below inlet, and sealing block can coordinate to inlet and close corresponding transfusion path under the buoyancy of medicinal liquid.In counterflow-preventing threeway, when the smooth and easy outflow of guarantee medicinal liquid, the gap of sealing block and inner walls is as far as possible smaller, and the height of sealing block is as far as possible higher in the altitude range allowed, to reduce the probability that sealing block offsets, overturns in infuse medical fluid process.
The use procedure of this transfusion device is as follows:
First open tongs infusion first group of medicinal liquid of any side, this side fluid path can not be closed under the impact of medicinal liquid with the sealing block (being called A sealing block) of this tongs homonymy, the sealing block (being called B sealing block) of opposite side then can float up to the inlet with its homonymy with the increase of housing inner liquid medicine, reach the effect of closed fluid path, when after first group of medicinal liquid infused, counterflow-preventing threeway inner liquid medicine reduces, when being withstood on that suffered by the B sealing block at inlet place, buoyancy is less than its gravity, B sealing block falls, and the fluid path closed is opened.B sealing block can not close this side fluid path under the impact of second group of medicinal liquid, and the A sealing block of opposite side then can float up to the inlet in the counterflow-preventing threeway corresponding with it, reaches the effect of closed fluid path, thus achieves the function of sequential infusions two groups of medicinal liquids.
Preferably, corresponding two sealing blocks arrange two respectively at the inner bottom part of housing and can limit the limited block that sealing block moves down amplitude, and sealing block is positioned at above corresponding limited block.By introducing limited block in the below of sealing block, limiting the up and down scope of sealing block under medicinal liquid impacts, thus avoiding sealing block to offset in infuse medical fluid process, overturn.
Preferably, in described housing, be provided with sealing block guiding mechanism, sealing block decreased while can fluctuating with the increase and decrease of liquid level and swings, and effectively prevent sealing block and offset in infuse medical fluid process, overturn.
Above-mentioned sealing block guiding mechanism can be two slide bars that arrange corresponding to two sealing blocks, slide bar is fixed in inner walls, corresponding slide bar arranges blind hole bottom sealing block, slide bar be arranged in blind hole and with blind hole matched in clearance, under the guide effect of slide bar, sealing block only produces upper and lower displacement, can not offset, overturn; Sealing block guiding mechanism also can be the vertical spacing preiection be arranged in inner walls, spacing preiection quantity is at least one, corresponding spacing preiection is provided with the groove with spacing preiection matched in clearance on the relevant position of sealing block, under the guide effect of spacing preiection, sealing block can only upper and lowerly float with the increase and decrease of liquid level in housing, and not relative housing into rotation, also can not offset under the impact of medicinal liquid, overturn.
Preferably, the height of sealing block can be made higher, even if make sealing block drop on housing bottom, its upper surface is still more than the lower surface of inlet, and concrete scheme has following two kinds:
Scheme one:
Described sealing block is up-narrow and down-wide, the lower openings shape of inlet and sealing block upper end mating shapes, leave liquid medicine flow gap between the outer wall of sealing block and the lower openings of inlet, when contacting with the inner bottom part of housing bottom sealing block, the top of sealing block is arranged in inlet.The function closing transfusion path can be realized by lower openings sealing block being inserted inlet; Leave liquid medicine flow gap between the outer wall of sealing block and the lower openings of inlet, guarantee that sealing block and inlet depart from rear medicinal liquid and can flow into housing hollow smoothly from inlet; Due to lower openings shape and the sealing block mating shapes (namely the lower openings of inlet is up-narrow and down-wide) of inlet, therefore, it is possible to effectively control the motion path of sealing block, sealing block is subjected to displacement along the inlet corresponding with its shape, avoids occurring that the situation of the dislocation such as skew, upset appears in sealing block under the effect of medicinal liquid.
Scheme two:
The lower end evagination of described inlet, described evagination position is wide at the top and narrow at the bottom, corresponding described evagination position offers the groove wide at the top and narrow at the bottom of shape and described evagination position mating shapes in sealing block upper end, liquid medicine flow gap is left between the outer wall at described evagination position and described groove, when contacting with the inner bottom part of housing bottom sealing block, described evagination position is arranged in described groove.By realizing in the groove of the evagination position of inlet lower end insertion sealing block the function closing transfusion path; Leave liquid medicine flow gap between the outer wall at described evagination position and described groove, guarantee that sealing block and inlet depart from rear medicinal liquid and can flow into housing hollow smoothly from inlet; Due to the shape of groove described on sealing block and the mating shapes at described evagination position, effectively can control the motion path of sealing block, making sealing block along being subjected to displacement with the evagination position of inlet, avoiding occurring that the situation of the dislocation such as skew, upset appears in sealing block under the effect of medicinal liquid.
By above-mentioned two schemes, in lower openings sealing block being inserted inlet or groove inlet evagination position being inserted sealing block, realize the function closing transfusion path.Due in above-mentioned two schemes, even if sealing block falls, its upper end is still more than the bottom surface of inlet, and inlet and sealing block cooperatively interact, thus realizes the guiding of sealing block in floating-upward process.
In the counterflow-preventing threeway of this transfusion device, the liquid outlet of housing can be communicated with dropping funnel inlet by pipeline; Also can by housing and dropping funnel lid one-body molded or be fixed on dropping funnel and cover, the liquid outlet of housing is communicated with dropping funnel inlet.
The beneficial effect that the present invention is compared with prior art had is:
The present invention is simple and reasonable, in infusion process, need not wait for that first group of medicinal liquid infusion terminates rear opening and closing two tongses, the order that only need start to control two tongs opening and closings in transfusion can realize the sequential control of two groups of medicinal liquids, safe and convenient to use, reliably swift to operate.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present invention;
Fig. 2 is structural representation two of the present invention;
Fig. 3 is the structural representation of the embodiment of the present invention 1 counterflow-preventing threeway;
Fig. 4 is the structural representation of the embodiment of the present invention 2 counterflow-preventing threeway;
Fig. 5 is the structural representation of the embodiment of the present invention 3 counterflow-preventing threeway;
Fig. 6 is the structural representation of the embodiment of the present invention 4 counterflow-preventing threeway;
Fig. 7 is the structural representation of the embodiment of the present invention 5 counterflow-preventing threeway;
Fig. 8 is the structural representation of the embodiment of the present invention 6 counterflow-preventing threeway;
Fig. 9 is housing and the integrated structural representation of dropping funnel lid of counterflow-preventing threeway;
Figure 10 is the structural representation that the housing of counterflow-preventing threeway is fixed on dropping funnel and covers.
In figure: 1, bottle plug puncture unit; 2, infusion pipeline; 3, tongs; 4, counterflow-preventing threeway; 5, dropping funnel; 6, flow regulator; 7, liquid medicine filter; 8, venoclysis needle; 9, dropping funnel lid; 10, housing; 11, inlet; 12, catch; 13, sealing block; 14, liquid outlet; 15, limited block; 16, slide bar; 17, spacing preiection; 18, groove; 19, the lower openings of inlet; 20, evagination position.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described further:
As shown in Figure 1, 2, this automatic decanting infusion apparatus comprises bottle plug puncture unit 1, infusion pipeline 2, tongs 3, counterflow-preventing threeway 4, dropping funnel 5, flow regulator 6, liquid medicine filter 7 and venoclysis needle 8, and counterflow-preventing three is connected with following various embodiments:
Embodiment 1:
As shown in Figure 3, counterflow-preventing threeway is made up of housing 10 and two sealing blocks that can move up and down 13 being positioned at housing 10, there are two inlets 11 housing 10 upper end, there is a liquid outlet 14 lower end, two sealing blocks 13 respectively correspondence to be arranged on below two inlets 11 and can to stop inlet 11, the density ratio water of described sealing block 13 is little, and the inside of housing 10 fixes one by the separated catch 12 of two sealing blocks 13.
In the counterflow-preventing threeway of this transfusion device, because the density ratio water of sealing block 13 is little, sealing block 13 can fluctuate with the increase and decrease of liquid level in housing 10 cavity below inlet 11, and sealing block 13 can coordinate to inlet 11 and close corresponding transfusion path under the buoyancy of medicinal liquid.In counterflow-preventing threeway, when the smooth and easy outflow of guarantee medicinal liquid, sealing block 13 is as far as possible smaller with the gap of housing 10 inwall, and the height of sealing block 13 is as far as possible higher in the altitude range allowed, to reduce the probability that sealing block 13 offsets, overturns in infuse medical fluid process.
In infusion process, when two perforators all insert after in transfusion bottle/bag, first tongs infusion first group of medicinal liquid of any side is opened, first to open the tongs in left side, the sealing block in left side can not close left side fluid path under the impact of medicinal liquid, the sealing block on right side then can float up to the inlet on right side with the increase of housing 10 inner liquid medicine, reach the effect of closed fluid path, when after the medicinal liquid infused of first group, left side, counterflow-preventing threeway inner liquid medicine reduces, when being withstood on that suffered by the right side sealing block at inlet place, buoyancy is less than its gravity, right side sealing block falls, the fluid path closed is opened.Right side sealing block can not close this side fluid path under the impact of the second group of medicinal liquid in right side, the sealing block in left side then can float up to and the left side inlet in counterflow-preventing threeway, reach the effect closing left side fluid path, until second group of medicinal liquid infusion terminates, thus achieve the function of sequential infusions two groups of medicinal liquids.
Embodiment 2:
On the basis of embodiment 1, corresponding two sealing blocks 13 arrange two respectively at the inner bottom part of housing 10 and can limit the limited block 15 that sealing block 13 moves down amplitude, and sealing block 13 is positioned at above corresponding limited block 15, as shown in Figure 4.By introducing limited block 15 in the below of sealing block 13, limiting the up and down scope of sealing block 13 under medicinal liquid impacts, thus avoiding sealing block 13 to offset in infuse medical fluid process, overturn.
Embodiment 3:
On the basis of embodiment 1, in the housing 10 of counterflow-preventing threeway, be provided with two slide bars 16 that arrange corresponding to two sealing blocks 13, slide bar 16 is fixed on housing 10 inwall, and corresponding slide bar 16 arranges blind hole bottom sealing block 13, slide bar 16 be arranged in blind hole and with blind hole matched in clearance, as shown in Figure 5.Under the guide effect of slide bar 16, sealing block 13 only can produce upper and lower displacement, can not offset, overturns under the effect of current.
Embodiment 4:
On the basis of embodiment 1, housing 10 inwall of counterflow-preventing threeway is provided with vertical spacing preiection 17, spacing preiection 17 quantity is at least one, and corresponding spacing preiection 17 is provided with the groove 18 with spacing preiection 17 matched in clearance on the relevant position of sealing block 13, as shown in Figure 6.Under the guide effect of spacing preiection 17, sealing block 13 can only upper and lowerly float with the increase and decrease of liquid level in housing 10, and does not rotate relative to housing 10, also can not offset under the impact of medicinal liquid, overturn.
Embodiment 5:
On the basis of embodiment 1, sealing block 13 is designed to up-narrow and down-wide shape, lower openings 19 shape of inlet and sealing block 13 upper end mating shapes, liquid medicine flow gap is left between the outer wall of sealing block 13 and the lower openings 19 of inlet, when contacting with the inner bottom part of housing 10 bottom sealing block 13, the top of sealing block 13 is arranged in inlet 11, as shown in Figure 7.The function closing transfusion path can be realized by lower openings sealing block 13 being inserted inlet 11; Leave liquid medicine flow gap between the outer wall of sealing block 13 and the lower openings 19 of inlet, guarantee that sealing block and inlet depart from rear medicinal liquid and can flow into housing 10 cavity smoothly from inlet; Due to lower openings 19 shape and sealing block 13 mating shapes (namely the lower openings 19 of inlet is up-narrow and down-wide) of inlet, therefore, it is possible to effectively control the motion path of sealing block 13, sealing block 13 is subjected to displacement along the inlet 11 corresponding with its shape, avoids occurring that the situation of the dislocation such as skew, upset appears in sealing block 13 under the effect of medicinal liquid.
Embodiment 6:
On the basis of embodiment 1, make the lower end evagination of inlet 11, described evagination position 20 is wide at the top and narrow at the bottom, corresponding described evagination position 20 offers the groove wide at the top and narrow at the bottom of shape and described evagination position 20 mating shapes in sealing block 13 upper end, liquid medicine flow gap is left between the outer wall at described evagination position 20 and described groove, when contacting with the inner bottom part of housing 10 bottom sealing block 13, described evagination position 20 is arranged in described groove, as shown in Figure 8.By the evagination position 20 of inlet 11 lower end being inserted in the groove of sealing block 13 function that can realize closing transfusion path; Leave liquid medicine flow gap between the outer wall at described evagination position 20 and described groove, guarantee that sealing block and inlet depart from rear medicinal liquid and can flow into housing 10 cavity smoothly from inlet; Due to the shape of groove described on sealing block 13 and the mating shapes at described evagination position 20, effectively can control the motion path of sealing block, making sealing block along being subjected to displacement with the evagination position of inlet, avoiding occurring that the situation of the dislocation such as skew, upset appears in sealing block under the effect of medicinal liquid.
The liquid outlet 14 of housing 10, when being applied in transfusion device, can be directly communicated with by the inlet of pipeline with dropping funnel 5, as shown in Figure 1 by the counterflow-preventing threeway of the various embodiments described above; Also counterflow-preventing threeway and dropping funnel lid 9 can be made as overall structure, the liquid outlet 14 of housing 10 is communicated with the inlet of dropping funnel 5, Fig. 9 is that counterflow-preventing three-way body 10 is one-body molded with dropping funnel lid 9, and Figure 10 is that counterflow-preventing three-way body 10 is connected with dropping funnel lid 9 for overall.
Claims (9)
1. an automatic decanting infusion apparatus, comprise infusion tee, it is characterized in that: infusion tee is counterflow-preventing threeway (4), be made up of housing (10) and two sealing blocks that can move up and down (13) being positioned at housing (10), there are two inlets (11) housing (10) upper end, there is a liquid outlet (14) lower end, two sealing blocks (13) respectively correspondence are arranged on two inlets (11) belows and can stop inlet (11), the density ratio water of described sealing block (13) is little, the inside of housing (10) fixes one by two sealing blocks (13) separated catch (12).
2. automatic decanting infusion apparatus according to claim 1, it is characterized in that: corresponding two sealing blocks (13) arrange two respectively at the inner bottom part of housing (10) and can limit the limited block (15) that sealing block (13) moves down amplitude, sealing block (13) is positioned at corresponding limited block (15) top.
3. automatic decanting infusion apparatus according to claim 1, is characterized in that: be provided with sealing block guiding mechanism in described housing (10).
4. automatic decanting infusion apparatus according to claim 3, it is characterized in that: described sealing block guiding mechanism is two slide bars (16) that arrange corresponding to two sealing blocks (13), slide bar (16) is fixed on housing (10) inwall, corresponding slide bar (16) arranges blind hole in sealing block (13) bottom, slide bar (16) be arranged in blind hole and with blind hole matched in clearance.
5. automatic decanting infusion apparatus according to claim 3, it is characterized in that: described sealing block guiding mechanism is the vertical spacing preiection (17) be arranged on housing (10) inwall, spacing preiection (17) quantity is at least one, and corresponding spacing preiection (17) is provided with the groove (18) with spacing preiection (17) matched in clearance on the relevant position of two sealing blocks (13).
6. automatic decanting infusion apparatus according to claim 1, it is characterized in that: described sealing block (13) is up-narrow and down-wide, lower openings (19) shape of inlet and sealing block (13) upper end mating shapes, liquid medicine flow gap is left between the outer wall of sealing block (13) and the lower openings (19) of inlet, when sealing block (13) bottom contacts with the inner bottom part of housing (10), the top of sealing block (13) is arranged in inlet (11).
7. automatic decanting infusion apparatus according to claim 1, it is characterized in that: the lower end evagination of described inlet (11), described evagination position (20) is wide at the top and narrow at the bottom, corresponding described evagination position (20) offers the groove wide at the top and narrow at the bottom of shape and described evagination position (20) mating shapes in sealing block (13) upper end, liquid medicine flow gap is left between the outer wall of described evagination position (20) and described groove, when sealing block (13) bottom contacts with the inner bottom part of housing (10), described evagination position (20) is arranged in described groove.
8., according to the arbitrary described automatic decanting infusion apparatus of claim 1 ~ 7, it is characterized in that: the liquid outlet (14) of described housing (10) is communicated with dropping funnel inlet by pipeline.
9. according to the arbitrary described automatic decanting infusion apparatus of claim 1 ~ 7, it is characterized in that: described housing (10) and dropping funnel lid (9) are one-body molded or be fixed on dropping funnel lid (9), and the liquid outlet (14) of housing (10) communicates with dropping funnel inlet.
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CN201510181728.3A CN104740712A (en) | 2015-04-16 | 2015-04-16 | Automatic bottle replacing type infusion device |
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CN201510181728.3A CN104740712A (en) | 2015-04-16 | 2015-04-16 | Automatic bottle replacing type infusion device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105771020A (en) * | 2015-12-26 | 2016-07-20 | 山东新华安得医疗用品有限公司 | Infusion apparatus capable of automatically replacing bags |
CN107519555A (en) * | 2017-09-27 | 2017-12-29 | 孙永 | A kind of medical infusion automatic decanting device |
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