CN107648705B - Floating ball type multifunctional nursing infusion apparatus - Google Patents
Floating ball type multifunctional nursing infusion apparatus Download PDFInfo
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- CN107648705B CN107648705B CN201711122219.9A CN201711122219A CN107648705B CN 107648705 B CN107648705 B CN 107648705B CN 201711122219 A CN201711122219 A CN 201711122219A CN 107648705 B CN107648705 B CN 107648705B
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- floating ball
- funnel
- type multifunctional
- liquid medicine
- multifunctional nursing
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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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
- A61M5/40—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 with means for eliminating or preventing injection or infusion of air into body using low-level float-valve to cut off media flow from reservoir
Abstract
The invention discloses a floating ball type multifunctional nursing infusion apparatus, which belongs to the field of medical instruments, and is based on the structure of a common infusion apparatus.A floating ball device is arranged in a drip cup and comprises a spiral rod, a floating ball, a funnel and an insertion pipe, wherein the upper end of the spiral rod is connected and fixed on the inner wall of the drip cup through at least two connecting rods; the upper end of the insertion tube is positioned in the funnel, the height of the upper end of the insertion tube is higher than that of the through hole, and the lower end of the insertion tube sequentially penetrates through the bottom of the funnel and the bottom of the drip cup and is positioned in the infusion hose. The invention can ensure the realization of the function of automatic flow stopping in time, fully utilizes the buoyancy effect of the liquid medicine, and realizes the function of highly isolating air while automatically stopping flow; the liquid medicine leakage can be prevented, and emergency treatment is facilitated.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a floating ball type multifunctional nursing infusion apparatus.
Background
The infusion apparatus is a common medical consumable, and establishes a channel between veins and liquid medicine for intravenous infusion. Generally, the device is formed by connecting parts such as a vein needle, an injection needle or an infusion needle, a needle head protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like, and a part of an infusion apparatus also comprises an injection part, a medicine adding port and the like. During the infusion process of the infusion apparatus, firstly, after the liquid level of the liquid medicine in the drip cup is stable, then, the infusion is carried out, and the difference between the liquid column pressure and the blood pressure in the vein is certain (the atmospheric pressure is balanced with each other, and the liquid column pressure is higher than the blood pressure in the vein), so that the liquid medicine is input into the blood vessel at a constant speed; after the liquid medicine in the medicine bottle is infused, the liquid level of the liquid medicine in the drip cup begins to drop, the liquid column pressure begins to decrease, when the liquid column pressure is equal to the venous blood pressure, if measures are not taken in time, the blood backflow condition is easy to occur, so when the liquid column pressure is equal to the venous blood pressure, the liquid needs to be stopped in time (infusion is suspended). On the other hand, the content of air in the infusion apparatus is more and more along with the reduction of the liquid medicine, once more air is infused into a human body, the symptoms of sudden feeling of chest tightness, pain behind the sternum, dyspnea, serious cyanosis and other pulmonary embolism can be caused, so the infusion apparatus needs to be provided with a device for isolating air.
The float switch is a liquid level controller with simple structure and convenient use, does not need to provide power supply and has no complex circuit, and has the advantages of smaller volume, longer service life and the like compared with a common mechanical switch. When the model is selected, the liquid, pressure and temperature with any property can be used as long as the material is selected correctly, and the model can be widely applied to the shipbuilding industry, generator equipment, petrochemical industry, food industry, water treatment equipment, dyeing and finishing industry, oil pressure machinery and the like.
At present, a floating ball type automatic flow stopping infusion apparatus appears, the floating ball type automatic flow stopping infusion apparatus is based on the characteristics of the floating ball, the floating ball is lifted and descended by the action of the buoyancy of liquid medicine, the floating ball is directly used for controlling the communication and the blockage of the liquid medicine, and the control is convenient. However, once impurities or position deviation exists between the floating ball and the attaching component, the attaching is not tight, and the function of automatically stopping liquid is greatly weakened or even lost. The tightness and stability of the connection between the floating ball and the fitting part need to be improved, and a device for isolating air needs to be arranged. In addition, the existing floating ball flow stopping device is mostly arranged at the bottom of the drip cup, if the tight fixation between the joint of the bottom of the drip cup and the floating ball flow stopping device is in a problem, the liquid medicine leakage condition is bound to occur, the waste of the liquid medicine is caused, and the liquid medicine cleaning at the drop position of the liquid medicine is also troublesome.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the technical problem of providing a floating ball type multifunctional nursing infusion apparatus, which ensures the realization of the function of timely and automatic flow stopping by utilizing the height difference relationship between the upper port of an insertion pipe and the liquid level, fully utilizes the buoyancy effect of liquid medicine, improves the connection tightness and stability of a floating ball and a joint part, and realizes the function of highly isolating air while automatically stopping flow; the liquid medicine leakage can be prevented, the accident caused by the liquid medicine leakage is avoided, and the emergency treatment is convenient.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a multi-functional nursing of floater formula is with transfusion system, includes bottle plug puncture ware, transfusion needle and connects these infusion hose between them, last from the top down of infusion hose is equipped with intercommunication infusion hose's air delivery pipe, drip kettle, flow rate regulator and liquid medicine filter in proper order, be equipped with the floater device in the drip kettle, the structure of floater device is as follows:
the floating ball device comprises a screw rod, a floating ball, a funnel and an insertion pipe, the upper end of the screw rod is fixedly connected to the inner wall of the drip cup through at least two connecting rods, the floating ball is sleeved on the screw rod, the funnel is arranged on the outer side of the lower end of the screw rod, a through hole is formed in the lower portion of the funnel, the floating ball is tightly attached to the upper port of the funnel in an initial state, and the attaching position is connected through threads; the upper end of the insertion tube is positioned in the funnel, the height of the upper end of the insertion tube is higher than that of the through hole, and the lower end of the insertion tube sequentially penetrates through the bottom of the funnel and the bottom of the drip cup and is positioned in the infusion hose.
Specifically, the spiral rod comprises a main shaft rod and a spiral strip which is attached and wound on the surface of the main shaft rod.
More specifically, the aperture of the upper through hole and the lower through hole of the floating ball is equal to the sum of the width of the spiral strip and the diameter of the main shaft rod. The design avoids the direct up-and-down movement of the floating ball, so that the floating ball can only rotate along the spiral strip of the spiral rod to move up and down. Is an indispensable factor for promoting the floating ball to rotate in the invention.
More specifically, the upper and lower through holes of the floating ball are respectively positioned at corresponding positions of different spiral periods on the spiral rod. Because the floater is whole motion together, set up the structural environment that upper and lower port of floater is located into unanimity, can make the floater wholly carry out linear type and reciprocate, the axis of removal in-process floater remains vertical throughout, does not take place to deflect.
As an improvement to the scheme, the outer surface of the floating ball is provided with a convex thread, and the inner wall of the upper end part of the funnel is provided with a concave thread matched with the convex thread. The floating ball rotates to move up and down, the floating ball is screwed in the concave thread together with the convex thread in the process of pressing close to the funnel, so that the floating ball and the funnel are connected more closely, the relative air tightness of the device at the moment is ensured, and the effect of preventing air from entering liquid medicine is further enhanced.
As a further improvement to the previous visit scheme, two sides of the floating ball are respectively connected with a small floating ball through pull wires. Because the threaded connection mechanism is additionally arranged between the floating ball and the funnel, and friction obstruction exists between the floating ball and the screw rod, the buoyancy effect of the liquid medicine on the floating ball is reduced, and the up-and-down movement of the floating ball is influenced. And the small floating ball can exert pulling force in the moving process of the floating ball to assist the floating ball to ascend or descend, so that the floating ball is ensured to move up and down smoothly.
Preferably, the floating ball and the small floating ball are both hollow plastic balls. The self weight of the hollow plastic ball can be almost ignored, so that the buoyancy effect of the liquid medicine on the floating ball and the small floating ball can be obviously displayed; the analysis content can also be simplified in the research on the motion process of the robot.
As an improvement to the above scheme, the connection parts of the drip cup and the cannula are provided with sealing parts. Can prevent the liquid medicine (relative to the floating ball device) from leaking, and lays a good foundation for the liquid level change of the liquid medicine in the drip cup.
3. Advantageous effects
(1) The upper port of the intubation tube is higher than the height of the through hole on the funnel, once the liquid level of the liquid medicine is lower than the upper port of the intubation tube, the liquid medicine cannot enter the intubation tube, the liquid level of the liquid medicine does not drop any more, the function of automatically stopping the flow when the transfusion is about to end is effectively realized, and the phenomenon that air is input into a human body or blood flows backwards due to the fact that the liquid medicine is completely transfused is avoided. In addition, when the automatic flow stopping is realized, the through hole is completely immersed in the liquid medicine, so that air cannot enter the funnel and the cannula through the through hole; meanwhile, the floating ball is tightly attached to the funnel, namely, the path of air entering the funnel from the upper end of the funnel is isolated. Thus, a relatively closed space is formed in the funnel, and the function of preventing air from being input into a human body by the infusion apparatus is promoted.
(2) According to the invention, the threaded connection mechanism is additionally arranged at the joint of the floating ball and the funnel, so that the floating ball and the funnel are more tightly connected and the connection relation is more stable, the sealing degree and the sealing stability when the floating ball and the funnel are jointed are improved, and the air isolation capability of the infusion apparatus is further improved when the infusion is finished. In addition, if impurities are deposited on the joint part of the floating ball and the funnel, the connection tightness of the floating ball and the funnel can be reduced, most of the impurities on the joint part can be removed through the screw thread precession operation between the floating ball and the funnel, the influence of the impurities on the sealing connection of the floating ball and the funnel is greatly relieved, and the sealing performance of the floating ball and the funnel when the floating ball and the funnel are jointed is ensured.
(3) According to the invention, the floating ball is sleeved on the fixed spiral rod, so that on one hand, the moving path of the floating ball can be limited, and the position deviation is prevented; on the other hand, in the process that the floating ball moves up and down under the buoyancy effect of the liquid medicine, because the perforation of the floating ball only can be passed through by the width of one section of the screw rod, the floating ball and the screw rod rotate relatively, and because the screw rod is fixed, the floating ball rotates. Based on the effect of liquid medicine buoyancy, effectively realized the rotation of floater through the hob, and then can be under the effect of not with the help of the external force, accomplish the threaded connection between floater and the funnel, make full use of the buoyancy of liquid medicine to the floater.
(4) The small floating ball is connected with the two sides of the floating ball through the pull wires, and because the threaded connection mechanism is additionally arranged between the floating ball and the funnel and friction resistance exists between the floating ball and the spiral rod, the buoyancy effect of liquid medicine on the floating ball is reduced, and the up-and-down movement of the floating ball is influenced. The small floating ball can act firstly under the action of buoyancy, and then tensile force is applied to the floating ball to promote the floating ball to ascend or descend, so that the floating ball is ensured to move up and down smoothly. And the power source of the small floating ball is also the buoyancy action of the liquid medicine, the function of increasing the motion power of the floating ball can be realized without external force, and the buoyancy of the liquid medicine is further fully utilized.
(5) The intubation tube is arranged in the infusion hose, so that even if the tight fixed connection between the drip cup and the intubation tube is in failure, the liquid medicine can directly enter the infusion hose, the liquid medicine leakage can be prevented, the accident caused by the liquid medicine leakage is avoided, and the emergency treatment is facilitated.
The invention ensures the function of timely and automatically stopping flow by utilizing the height difference relation between the upper port of the insertion pipe and the liquid level, fully utilizes the buoyancy effect of the liquid medicine, improves the connection tightness and stability of the floating ball and the joint part, and realizes the function of highly isolating air while automatically stopping flow; the liquid medicine leakage can be prevented, the accident caused by the liquid medicine leakage is avoided, and the emergency treatment is convenient.
Drawings
FIG. 1 is a schematic structural view of a float ball device;
fig. 2 is an enlarged schematic view of the area a in fig. 1.
Wherein, the infusion apparatus comprises a drip cup 1, an intubation 2, a funnel 3, a spiral rod 4, a convex thread 5, a floating ball 6, a small floating ball 7, a pull wire 8, a connecting rod 9, an infusion hose 10, a sealing part 11, a through hole 12, a main shaft rod 41 and a spiral strip 42.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
The utility model provides a multi-functional nursing of floater formula is with transfusion system, includes bottle plug puncture ware, transfusion needle and connects these infusion hose 10 between them, from the top down is equipped with the air delivery pipe, the kettle 1 that drips, flow rate regulator and the liquid medicine filter of intercommunication infusion hose 10 in proper order on the infusion hose 10, drip and be equipped with the floater device in the kettle 1, the structure of floater device is as follows:
as shown in fig. 1 and 2, the floating ball device comprises a screw rod 4, a floating ball 6, a funnel 3 and an insertion tube 2, wherein the upper end of the screw rod 4 is connected and fixed on the inner wall of the drip cup 1 through at least two connecting rods 9, the floating ball 6 is sleeved on the screw rod 4, the funnel 3 is arranged on the outer side of the lower end of the screw rod 4, a through hole 12 is arranged at the lower part of the funnel 3, the floating ball 6 is tightly attached to the upper port of the funnel 3 in an initial state, and the attachment part is connected through threads; the upper end of the insertion tube 2 is positioned in the funnel 3, the height of the upper end of the insertion tube 2 is higher than that of the through hole 12, and the lower end of the insertion tube 2 sequentially penetrates through the bottom of the funnel 3 and the bottom of the drip cup 1 and is positioned in the infusion hose 10.
Specifically, the spiral rod 4 includes a main shaft 41 and a spiral strip 42 wound on the surface thereof.
In order to ensure that the floating ball 6 is enabled to rotate when moving up and down, the aperture of the upper through hole and the lower through hole of the floating ball 6 is equal to the sum of the width of the spiral strip 42 and the diameter of the main shaft rod 41. By the design, the floating ball 6 is prevented from directly moving up and down, so that the floating ball 6 can only rotate along the spiral strip 42 of the spiral rod 4 to move up and down.
In order to enable the floating ball 6 to integrally move up and down in a linear manner, the upper through hole and the lower through hole of the floating ball 6 are respectively positioned at corresponding positions of different spiral periods on the spiral rod 4. Because the floating ball 6 integrally moves together, the structural environments of the upper port and the lower port of the floating ball 6 are set to be consistent, so that the central axis of the floating ball 6 is always vertical in the moving process and does not deflect.
Refine the threaded connection structure between floater 6 and funnel 3, the floater 6 surface is equipped with protruding screw thread 5, is equipped with on the funnel 3 upper end inner wall with the concave screw thread of protruding screw thread 5 looks adaptation. Based on above-mentioned floater 6 is rotating and is reciprocating, the in-process that the funnel 3 was pressed close to at floater 6 is even taken male thread 5 and is precessing in female screw, realizes more inseparable connection between floater 6 and the funnel 3, has guaranteed the relative gas tightness of device this moment, and then has strengthened the effect that prevents the air admission liquid medicine.
In order to increase the buoyancy effect of the liquid medicine on the floating ball 6, two sides of the floating ball 6 are respectively connected with a small floating ball 7 through a pull wire 8. Because a thread connecting mechanism is additionally arranged between the floating ball 6 and the funnel 3, and friction obstruction exists between the floating ball 6 and the screw rod 4, the buoyancy effect of the liquid medicine on the floating ball 6 is reduced, and the up-and-down movement of the floating ball 6 is influenced. The small floating ball 7 can exert pulling force in the moving process of the floating ball 6 to assist the floating ball 6 to ascend or descend, and the floating ball 6 is ensured to move up and down smoothly. And the power source of the small floating ball 7 is also the buoyancy action of the liquid medicine, the function of increasing the motion power of the floating ball 6 can be realized without external force, and the buoyancy of the liquid medicine is further fully utilized.
In this embodiment, the floating ball 6 and the small floating ball 7 are both hollow plastic balls. The self weight of the hollow plastic ball can be almost ignored, so that the buoyancy effect of the liquid medicine on the floating ball 6 and the small floating ball 7 can be obviously shown; the analysis content can also be simplified in the research on the motion process of the robot.
In this embodiment, the connection between the drip cup 1 and the cannula 2 is provided with a sealing member 11. Can prevent the liquid medicine (relative to the floating ball device) from leaking, and lays a good foundation for the liquid level change of the liquid medicine in the drip cup 1.
The specific application process of the floating ball type multifunctional nursing infusion apparatus comprises the following steps:
(1) after infusion is started, liquid medicine is dripped into the drip cup 1 from an infusion hose 10 connected with the upper end of the drip cup 1, the liquid level in the drip cup 1 gradually rises, and when the liquid level reaches the height of the through hole 12, the liquid medicine enters the funnel 3 from the through hole 12;
(2) then the liquid level of the liquid medicine continuously rises, when the liquid medicine reaches the height of the opening at the upper end of the intubation tube 2, the liquid medicine starts to enter the transfusion hose 10 connected with the lower end of the drip cup 1 from the intubation tube 2, and the small floating ball rises along with the rise of the liquid level;
(3) the liquid level of the liquid medicine continues to rise until the liquid level reaches the height of the bottom of the floating ball 6, the small floating ball 7 begins to apply pulling force to the floating ball 6, the floating ball 6 begins to rise in cooperation with the buoyancy of the liquid medicine, meanwhile, the floating ball 6 rotates under the action of the spiral rod 4 (the spiral rod 4 is fixed, and the relative rotation between the spiral rod 4 and the floating ball 6 is realized by the floating ball 6), and the liquid medicine can enter the funnel from an upper end opening of the funnel;
(4) when the liquid level of the liquid medicine does not rise any more, the liquid medicine enters the intubation tube 2 at a constant speed for transfusion, and the floating ball 6 and the small floating ball 7 do not rise any more;
(5) when the liquid medicine in the medicine bottle is completely dripped into the drip cup 1, the liquid level begins to drop, the small floating ball 7 and the floating ball 6 move downwards, and the floating ball 6 rotates;
(6) when the floating ball 6 starts to contact the funnel 3, the floating ball 6 rotates to be closely connected to the funnel 3, the floating ball 6 stops descending and does not rotate any more, and the small floating ball 7 continues to descend along with the liquid level of the liquid medicine;
(7) when the liquid level of the liquid medicine reaches the height of the opening at the upper end of the intubation tube 2, the liquid medicine starts to stop entering the intubation tube 2, the liquid level of the liquid medicine does not drop any more, and automatic liquid stopping is finished; at this time, the through-hole 12 is immersed in the medical fluid so that the upper end opening of the cannula 2 is in a sealed space.
According to the invention, the function of timely and automatic flow stopping is ensured by utilizing the relation between the upper port of the insertion tube and the liquid level difference, the buoyancy effect of the liquid medicine is fully utilized, the tightness and the stability of the connection between the floating ball and the joint part are improved, the floating ball device has excellent air tightness, air can be efficiently isolated, and the air is prevented from being input into a human body.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (8)
1. A floating ball type multifunctional nursing infusion apparatus comprises a bottle stopper puncture outfit, an infusion needle and an infusion hose (10) connecting the bottle stopper puncture outfit and the infusion needle, wherein an air delivery pipe, a drip cup (1), a flow rate regulator and a liquid medicine filter which are communicated with the infusion hose (10) are sequentially arranged on the infusion hose from top to bottom, the floating ball type multifunctional nursing infusion apparatus is characterized in that a floating ball device is arranged in the drip cup (1), the floating ball device comprises a screw rod (4), a floating ball (6), a funnel (3) and an insertion pipe (2), the upper end of the screw rod (4) is fixedly connected to the inner wall of the drip cup (1) through at least two connecting rods (9), the floating ball (6) is sleeved on the screw rod (4), the funnel (3) is arranged at the outer side of the lower end of the screw rod (4), a through hole (12) is arranged at the lower part of the funnel (3), and the floating ball, and the joint part is connected by screw thread; the upper end of the insertion tube (2) is positioned in the funnel (3), the upper end of the insertion tube (2) is higher than the through hole (12), and the lower end of the insertion tube (2) sequentially penetrates through the bottom of the funnel (3) and the bottom of the drip cup (1) and is positioned in the infusion hose (10).
2. The floating ball type multifunctional nursing infusion set according to claim 1, wherein the spiral rod (4) comprises a main shaft rod (41) and a spiral strip (42) wound on the surface of the main shaft rod.
3. The floating ball type multifunctional nursing infusion apparatus according to claim 2, wherein the aperture of the upper and lower through holes of the floating ball (6) is equal to the sum of the width of the helical strip (42) and the diameter of the main shaft rod (41).
4. The floating ball type multifunctional nursing infusion apparatus according to claim 3, wherein the upper and lower through holes of the floating ball (6) are respectively located at corresponding positions of different spiral periods on the spiral rod (4).
5. The floating ball type multifunctional nursing infusion apparatus according to claim 4, wherein the outer surface of the floating ball (6) is provided with a convex thread (5), and the inner wall of the upper end of the funnel (3) is provided with a concave thread matched with the convex thread (5).
6. The floating ball type multifunctional nursing infusion apparatus according to claim 5, wherein two sides of the floating ball (6) are respectively connected with a small floating ball (7) through a pull wire (8).
7. The floating ball type multifunctional nursing infusion apparatus according to claim 6, wherein the floating ball (6) and the small floating ball (7) are both hollow plastic balls.
8. The floating ball type multifunctional nursing infusion set according to claim 1, wherein the connection part of the drip cup (1) and the insertion tube (2) is provided with a sealing part (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122219.9A CN107648705B (en) | 2017-11-14 | 2017-11-14 | Floating ball type multifunctional nursing infusion apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122219.9A CN107648705B (en) | 2017-11-14 | 2017-11-14 | Floating ball type multifunctional nursing infusion apparatus |
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| Publication Number | Publication Date |
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| CN107648705A CN107648705A (en) | 2018-02-02 |
| CN107648705B true CN107648705B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711122219.9A Expired - Fee Related CN107648705B (en) | 2017-11-14 | 2017-11-14 | Floating ball type multifunctional nursing infusion apparatus |
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| CN103505784A (en) * | 2012-06-28 | 2014-01-15 | 何前国 | Fluid infusion multi-times multi-face sealing control device |
| CN204121519U (en) * | 2014-10-21 | 2015-01-28 | 许乐群 | There is the transfusion device of automatic flow-stop function |
| CN206081208U (en) * | 2016-07-20 | 2017-04-12 | 上海市普陀区人民医院 | Floater formula transfusion system |
| CN106924836A (en) * | 2016-11-09 | 2017-07-07 | 孝感嘉瑞应用科技开发有限公司 | A kind of Novel infusion apparatus Murphy dropper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMO20020321A1 (en) * | 2002-11-06 | 2004-05-07 | Sidam Di Azzolini Graziano E C S A S | GROUP FOR THE MIXING OF INSERIBLE FLUIDS ALONG LINES |
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2017
- 2017-11-14 CN CN201711122219.9A patent/CN107648705B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006069518A1 (en) * | 2004-12-31 | 2006-07-06 | Qingqiang Chen | A murphy drip with a float valve having a guide rod |
| CN2827400Y (en) * | 2005-09-14 | 2006-10-18 | 王佰河 | Automatic alarming transfusion system |
| WO2007079319A3 (en) * | 2005-12-14 | 2008-03-06 | Stryker Corp | Removable inlet manifold for a medical/surgical waste collection system, the manifold including a driver for actuating a valve integral with the waste collection system |
| JP2013034630A (en) * | 2011-08-08 | 2013-02-21 | Okayama Univ | Infusion stand connector |
| CN103505784A (en) * | 2012-06-28 | 2014-01-15 | 何前国 | Fluid infusion multi-times multi-face sealing control device |
| CN102921077A (en) * | 2012-11-22 | 2013-02-13 | 陆艾静 | Needle-shaped float-actuated valve controlled type disposable infusion apparatus |
| CN204121519U (en) * | 2014-10-21 | 2015-01-28 | 许乐群 | There is the transfusion device of automatic flow-stop function |
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| CN106924836A (en) * | 2016-11-09 | 2017-07-07 | 孝感嘉瑞应用科技开发有限公司 | A kind of Novel infusion apparatus Murphy dropper |
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| CN107648705A (en) | 2018-02-02 |
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