CN106902420A - For the fluid infusion apparatus being administered to patient - Google Patents
For the fluid infusion apparatus being administered to patient Download PDFInfo
- Publication number
- CN106902420A CN106902420A CN201510989295.4A CN201510989295A CN106902420A CN 106902420 A CN106902420 A CN 106902420A CN 201510989295 A CN201510989295 A CN 201510989295A CN 106902420 A CN106902420 A CN 106902420A
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- China
- Prior art keywords
- fluid
- liquid storage
- storage cylinder
- supply chamber
- penetrating member
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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
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31525—Dosing
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31548—Mechanically operated dose setting member
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/31566—Means improving security or handling thereof
- A61M5/31568—Means keeping track of the total dose administered, e.g. since the cartridge was inserted
-
- 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
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/2006—Having specific accessories
-
- 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
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/2006—Having specific accessories
- A61M2005/202—Having specific accessories cocking means, e.g. to bias the main drive spring of an injector
-
- 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
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/2026—Semi-automatic, e.g. user activated piston is assisted by additional source of energy
-
- 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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a kind of fluid infusion apparatus for being administered to patient, including：Injection mechanism, outlet fluid, connection member and hollow penetrating member.The hollow penetrating member is fixedly connected with the injection mechanism and its hollow space is connected with the liquid storage cylinder of injection mechanism, and the hollow penetrating member is configured to：Supply chamber and putting in outlet fluid through connection member under the promotion of the injection mechanism can be displaced in the outlet fluid fluid in the liquid storage cylinder in order to the piston in the liquid storage cylinder, and is returned under the dragging of the injection mechanism in the supply chamber and connected with the liquid storage cylinder in order to the fluid in the supply chamber can be imported into the liquid storage cylinder with by the supply chamber.Fluid infusion apparatus of the invention, can avoid being set during per injection the process of infusion amount, simplify the setting up procedure of infusion amount.
Description
Technical field
The present invention relates to field of fluid, can realize what bolus quantities were injected in particular to a kind of
For the fluid infusion apparatus being administered to patient.
Background technology
Diabetes are a kind of metabolic diseases being characterized with hyperglycaemia.Hyperglycaemia is typically due to insulin
Hyposecretion or its biological agent are impaired, or both comprehensive function cause.Deposited for a long time in diabetic's body
Hyperglycaemia can cause multiple organs (for example, eye, kidney, heart, blood vessel, nervous system etc.)
Chronic lesion, dysfunction.
Diabetes clinical diagnosis can be divided into type 1 diabetes and diabetes B.Type 1 diabetes, also referred to as pancreas islet
Plain dependent diabetes, patient condition typically occurs in child or adolescent's period, be one kind by congenital family
The disease of race's heredity.Type 1 diabetes belong to a kind of autoimmune disease, and the immune system of body is to internal
The β cells for producing insulin make attack, and ultimately resulting in cannot produce insulin in vivo.This kind of patient needs
The blood sugar level for wanting the insulin of injection of exogenous to come in control volume.It is small that type 1 diabetes patient generally requires 24
When carrying electronic formula insulin pump in treatment, for example, Medtronic Minimed series insulin pump.2 type glycosurias
Disease, also referred to as Non-Insulin Dependent Diabetes Mellitus, general patient be adult, particularly obese people, its
Illness can cause to become thin.The possible cause of disease includes：Insulin resistance, prevents body from being efficiently used pancreas
Island element；The reduction of insulin secretion, it is impossible to needed for meeting body.The diabetes B patient of early stage can lead to
The mode of making the life better is crossed (for example, health diet, moderate exercise, safe fat-reducing, giving up smoking and avoiding second-hand-cigarette
Deng) control, or even cure diabetes.Most of diabetes B patients can help control by OHA
Body blood sugar level processed controls blood sugar level by interim insulin injection.
Current Most patients use novopen syringe insulin injection.Novopen has similar pen
Structure, including a body, penholder and the part of cap three, it is necessary to supporting pancreas before insulin injection
Island element pen core is installed in penholder, then rotation regulation button, by the mobile control injection volume of screw rod,
Then injection button is pressed, completes to inject by screw drive pen core, that is to say, that existing insulin
Pen needs the amount of movement of manual adjusting screw rod every time to control infusion amount, and setting up procedure is complex.
The content of the invention
To solve above-mentioned technical problem, the invention provides a kind of fluid for being administered to patient
Infusion device, can simplify the setting up procedure of infusion amount.
Embodiment of the present invention provide for be may include to the fluid infusion apparatus that patient is administered：Note
Penetrate mechanism, outlet fluid, connection member and hollow penetrating member.
The injection mechanism can have can receive the liquid storage cylinder of fluid to be transfused and in the liquid storage cylinder
Moveable piston.The liquid storage cylinder can be variously-shaped.In certain embodiments of the present invention, store up
Sap cavity is cylindrical shape.The infusion fluid of liquid storage cylinder storage can be the various liquid for being administered to patient
Body etc..In certain embodiments of the present invention, fluid can be the therapeutic liquid of such as insulin etc
Body medicine.Movement of the piston in liquid storage cylinder can be such that fluid is discharged from liquid storage cylinder, or fluid is inhaled
Enter liquid storage cylinder.
The outlet fluid can be used for fluid output to patient.In some embodiments of the present invention
In, outlet fluid may include for flexible pipe to patient's output fluid etc..
The connection member is attached between injection mechanism and outlet fluid, and the connection member can have
There is the supply chamber for accommodating fluid.
The hollow penetrating member can be fixedly connected and its hollow space and the storage with the injection mechanism
Sap cavity is connected, and the hollow penetrating member is configured to：Run through the supply under the promotion of the injection mechanism
Chamber and putting in the outlet fluid can drive the fluid in the liquid storage cylinder in order to the piston
Go out in the outlet fluid, and the supply chamber is returned under the dragging of the injection mechanism
It is interior to be connected with the liquid storage cylinder in order to import the fluid in the supply chamber with by the supply chamber
To in the liquid storage cylinder.Hollow penetrating member, for example, it may be the pin with hollow structure.In this hair
In some bright implementation methods, the hollow penetrating member can be hollow draw point.
In certain embodiments of the present invention, the injection mechanism may also include：Trigger unit, with institute
Piston connection is stated, the trigger unit is configured to be pressed so that the injection mechanism promotes described hollow
Penetrating member is through the supply chamber and puts in the outlet fluid, also, the trigger unit
It is further configured to：In the case of the hollow penetrating member is put in the outlet fluid by by
Pressure, so as to the piston of the injection mechanism is moved in the liquid storage cylinder be driven with by the fluid in the liquid storage cylinder
Go out in the outlet fluid.In some embodiments, the trigger unit can be triggering by
The form of button.Trigger unit can be connected by injection putter with moveable piston in liquid storage cylinder, or not
Directly it is connected with moveable piston in liquid storage cylinder by structures such as push rods.
In certain embodiments of the present invention, the injection mechanism may also include：Back-off component, with institute
Liquid storage cylinder connection is stated, is configured to that in the case of the trigger unit is released the liquid storage cylinder can return
Fall back on the state connected with the supply chamber by the hollow penetrating member.
In certain embodiments of the present invention, described device may also include：Full part, with the note
Mechanism's connection is penetrated, is configured to the supply chamber is connected with the liquid storage cylinder in the hollow penetrating member
The movement piston is in order to be led the fluid in the supply chamber by the hollow penetrating member under situation
Enter in the liquid storage cylinder.
In certain embodiments of the present invention, fluid infusion apparatus of the invention may also include：Shell,
For partly receiving the injection mechanism and the connection member.
In certain embodiments of the present invention, the supply chamber includes first end and positioned at first end
Second of offside, wherein, the hollow penetrating member through the first end make the supply chamber with
The liquid storage cylinder connection, the hollow penetrating member passes through described second under the promotion of the injection mechanism
End simultaneously puts in the outlet fluid.
In certain embodiments of the present invention, the supply chamber the first end and the second end it
Outer region has the first hole connected with fluid inlet channel.
In certain embodiments of the present invention, the shell can be with region corresponding with first hole
Can be opened.
In certain embodiments of the present invention, the shell can be with region corresponding with first hole
It is opening.
In certain embodiments of the present invention, the supply chamber is at the first end and second end
Region outside portion has the first opening and covers the first diaphragm seal of first opening.
In certain embodiments of the present invention, the first end can be by can be by the hollow puncture
The seal that part is pierced through is formed.
In certain embodiments of the present invention, the second end can be by can be by the hollow puncture
The separator that part is pierced through is formed.
In certain embodiments of the present invention, the outlet fluid includes the covering the second end
Cap portion, the cap portion has for exporting the second hole of fluid.
In certain embodiments of the present invention, the cap portion also has the second opening and covers this and second opens
Second diaphragm seal of mouth.
Implement that embodiment of the present invention provides for the fluid infusion apparatus that are administered to patient, can
The fluid of per injection fixed qty, it is to avoid the complicated process of infusion amount, letter are set during each fluid infusion
The setting program of fluid infusion amount is changed.
Brief description of the drawings
Fig. 1 is the fluid infusion apparatus for being administered to patient according to one embodiment of the present invention
Schematic diagram；
Fig. 2 is the decomposition view of the fluid infusion apparatus for being administered to patient shown in Fig. 1；
Fig. 3 be along the line A-A in Fig. 1 intercept for the fluid infusion apparatus that are administered to patient
Confined state schematic cross-section；
Fig. 4 is the fluid infusion apparatus for being administered to patient according to one embodiment of the present invention
Working state schematic representation.
Wherein, fluid infusion apparatus -10, outlet fluid -100, injection mechanism -101, liquid storage cylinder -1011,
Injection shell -1012, trigger unit -102, contact site -1021, extension -1022, junction surface -1023, even
Relay part -103, first end -1031, the second end -1032, pars intermedia -1033 feed chamber -1034,
Opening -1035 of connection member, hole -1036 of connection member cover the diaphragm seal of the opening of connection member
- 1037, hollow penetrating member -104, injection putter -105, block -1051, piston -106, back-off component
- 107, fill part -108, shell -109, cap portion -1091, opening -1092 in cap portion, in cap portion
Hole -1093, the diaphragm seal -1094 of the opening in covering cap portion.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this hair
It is bright to be described in further detail.It should be noted that embodiments of the present invention are not limited to accompanying drawing institute
The part construction and/or arrangement for showing, without departing from the case in the spirit of the invention, can also be to of the invention
Various implementation methods carry out a variety of combinations.
Describe of the invention for the specific of the fluid infusion apparatus that are administered to patient below in conjunction with the accompanying drawings
Implementation method.
Fig. 1 is the fluid infusion apparatus for being administered to patient according to one embodiment of the present invention
Schematic diagram；Fig. 2 is the decomposition view of the fluid infusion apparatus for being administered to patient shown in Fig. 1；
Fig. 3 is the assembling of the fluid infusion apparatus for being administered to patient intercepted along the line A-A in Fig. 1
The schematic cross-section of state；Fig. 4 is for being administered to patient according to one embodiment of the present invention
The working state schematic representation of fluid infusion apparatus.
As shown in Figure 1 to Figure 3, may include fluid for the fluid infusion apparatus 10 being administered to patient
Output channel 100, injection mechanism 101, connection member 103 and hollow penetrating member 104.Wherein, note
Penetrating mechanism 101 may include liquid storage cylinder 1011 and piston 106, and connection member 103 may include to feed chamber 1034.
Connection member 103 is connected between outlet fluid 100 and injection mechanism 101, hollow penetrating member
104 are fixedly connected and its hollow space connects with the liquid storage cylinder 1011 of injection mechanism 101 with injection mechanism 101
It is logical.In the case of fluid is exported, hollow penetrating member 104 can run through under the promotion of injection mechanism
Supply chamber 1034, and outlet fluid 100 is stretched into, to move piston 106 by liquid storage cylinder
Fluid displaces outlet fluid.In the case of fluid feeds, hollow penetrating member 104 is in injection
Returned under the dragging of mechanism in supply chamber 1034 and suck liquid storage in order to the fluid in chamber 1034 will be fed
Chamber 1011.
Below in conjunction with the accompanying drawings, all parts of device of the invention are described.
Injection mechanism 101 can have injection shell 1012, piston 106 and the middle cavity by injection shell 1012
The liquid storage cylinder 1011 limited with piston 106, liquid storage cylinder 1011 can store the fluid of predetermined quantity, and
Piston 106 can be moved in liquid storage cylinder 1011.In the implementation method shown in Fig. 2 and Fig. 3, liquid storage
Chamber 1011 is cylinder chamber, but in other embodiments, liquid storage cylinder can be other shapes.Although attached
In implementation method shown in figure, liquid storage cylinder is to be limited by injection shell and piston and formed, but in other implementations
In mode, liquid storage cylinder can be the single part being fixedly connected with injection shell.
In some embodiments, injection mechanism 101 may also include trigger unit 102.Trigger unit 102
May include contact site 1021, extend from the right side (being observed from the page towards Fig. 2) of the contact site 1021
Extension 1022 and be arranged on the extension 1022 right side (from towards Fig. 2 the page observe) side
The junction surface 1023 in face.The active force that the larger contact site 1021 of surface area can be used for outside receiving,
For example, the active force from infusion operator.Junction surface 1023 can be used to engage injection putter 105, note
One end of push rod 105 is penetrated to be engaged with the junction surface 1023 of trigger unit 102, the other end with liquid storage cylinder 1011
Interior moveable piston 106 is engaged.The position engaged with injection mechanism 101 in injection putter 105 also sets
Be equipped with block 1051, spacing effect can be played, for example, in the case of fluid feeds, can in case
Part 108 is only filled (to see injection putter 105 and piston 106 from the direction shown in Fig. 3 upwards
Examine) lift excessively, so as to influence to be fed to the quantity of the fluid of liquid storage cylinder.Although in the embodiment party of diagram
In formula, trigger unit is attached with piston by injection putter, but in other modes, for example,
In the case of piston is plunger, trigger unit can not be connected by injection putter with piston, but and post
Plug is directly connected to.
Connection member 103 may include feed chamber 1034, the supply chamber 1034 be by first end 1031,
Positioned at the second end 1032 of the offside of first end 1031 and positioned at first end 1031 and the second end
Pars intermedia 1033 between 1032 is defined.Supply chamber 1034 can accommodate and the fluid phase in liquid storage cylinder 1011
Same fluid, when liquid storage cylinder 1011 is emptied, feeds fluid to liquid storage cylinder.Hollow penetrating member 104 can
Keep connecting with through the first end 1031 in supply chamber and liquid storage cylinder 1011, hollow penetrating member is in note
Penetrate under the promotion of mechanism (for example, in the case of trigger unit is pressed) through the second end in supply chamber
1032 and put in outlet fluid.
In certain embodiments of the present invention, supply chamber 1034 is in first end 1031 and the second end
Region outside 1032 also can be set the hole connected with fluid inlet channel (for example, the hole shown in Fig. 3
1036) while, the fluid in supply chamber 1034 is fed to liquid storage cylinder 1011 or afterwards, Ke Yijing
Fluid is fed again from hole 1036 to supply chamber 1034.Understand that hole 1036 is set with reference to Fig. 2 and Fig. 3
In the part scabbled of the bottom (from the page observation shown in Fig. 2) of pars intermedia 1033.
Region of the supply chamber 1034 outside first end 1031 and the second end 1032 can also be set out
Mouthful (for example, the opening 1035 shown in Fig. 2) and the diaphragm seal of the opening is covered, by the opening energy
Enough fluids to supply chamber and its inside sterilize etc..Opening 1035 can cover diaphragm seal 1037, for example,
It can be the diaphragm seal 1037 being made up of macromolecular material etc..The diaphragm seal does not allow the fluid for feeding chamber to ooze
Go out, but allow the material (for example, gas etc.) sterilized to the fluid in supply chamber and its inside to penetrate into.
Although in the implementation method shown in Fig. 3, for supply chamber 1034 is provided with 1 hole (hole 1036),
But in other embodiments, the quantity in the hole in supply chamber 1034 can be 2,3,4 or more
Multiple, set location can be overlapped outside first end and the second end and not with the opening for sterilizing
Any position.
In certain embodiments of the present invention, first end 1031 can be by can be by hollow penetrating member
The seal that (for example, hollow draw point) 104 is pierced through is formed, for example, such as rubber, silica gel etc
The end for feeding chamber 1034 can be pierced through and can also sealed by hollow penetrating member, make supply chamber 1034
The seal member that interior fluid is not contacted with the external world.In other implementation method, first end 1031
Can be integrally formed with pars intermedia 1033, as the end wall of one end of pars intermedia 1033.
In certain embodiments of the present invention, the second end 1032 can be by can be by hollow penetrating member
104 pierce through separators formed, for example, such as rubber, silica gel etc can be many by hollow penetrating member
Secondary puncture and the isolated part that the end for feeding chamber 1034 can also be isolated from the outside.In other reality
Apply in mode, the second end 1032 can be integrally formed with pars intermedia 1033, used as pars intermedia 1033
One end end wall.
In certain embodiments of the present invention, first end 1031 and the second end 1032 can be used
The rubber of same type is formed, and is fabricated to identical, similar or different shape, in other reality
Apply in mode, first end and the second end can be made of different types of materials, be fabricated to it is identical,
Similar or different shape.In the case of the fluid of infusion is curative fluid, first end and the
Two ends are formed preferably by the other rubber of medical grade.
In original state, the fluid of the memory storage predetermined quantity of liquid storage cylinder 1011 of injection mechanism 101, the stream
Body is incompressible.In the case of trigger unit 102 are pressed, injection mechanism 101 is downwards (from towards Fig. 3
Direction observation) it is mobile, the hollow penetrating member 104 that promotion is secured to connection is moved downwardly together, in
Empty penetrating member 104 is moved down after certain distance, pierces through the second end 1032 in supply chamber 1034
And outlet fluid is put in, can be to patient's trandfer fluid；Continue press trigger unit 102, now by
Connected with outlet fluid in hollow penetrating member 104, can by with hollow penetrating member 104
Fluid discharge in the liquid storage cylinder 1011 of connection, it is hollow in the case of continuing to press trigger unit 102
Penetrating member 104 does not continue to move down, but makes the edge of piston 106 being connected with trigger unit 102
Liquid storage cylinder 1011 to move down, so that the fluid in liquid storage cylinder 1011 is via hollow penetrating member 104
With outlet fluid output, the infusion of fluid is completed.
Using the fluid infusion of said apparatus of the invention, can disposably by the predetermined number in liquid storage cylinder
The fluid output of amount, and when needing to export greater number of fluid, can be carried out really by the number of times being transfused
It is fixed.Said apparatus of the invention, can every time be transfused the fluid of fixed qty, it is to avoid be transfused every time
When need set infusion quantity problem.
Injection mechanism 101 can also include back-off component 107, for example, spring.Back-off component 107 can be with
It is connected with liquid storage cylinder 1011, for example, may be provided at the outside of the middle cavity of injection shell, is centered around liquid storage cylinder
1011 outside.Back-off component 107 can be deformed upon in the case of trigger unit is pressed, in triggering
State before back-off component 107 can return to deformation when part 102 is released, in back-off component 107
Liquid storage cylinder 1011 is driven to return to the state that trigger unit 102 is not pressed while recovering deformation, so that
Make the hollow penetrating member 104 being fixedly connected with injection mechanism 101 also return to trigger unit 102 not by
Original state during pressing, i.e. the state in connection liquid storage cylinder and supply chamber.In a kind of specific embodiment party
In formula, back-off component 107 can be spring, but in other implementation method, back-off component can be
The miscellaneous part for making liquid storage cylinder restPose when trigger unit is released can be realized.
In certain embodiments of the present invention, device 10 may also include full part 108.Full part
108 can be connected with trigger unit 102, for example, can be engaged with the junction surface 1023 of trigger unit 102.
Full part 108 is deformed upon in the case of trigger unit 102 is pressed, in the quilt of trigger unit 102
State before returning to deformation in the case of release, can band while full part 108 recovers deformation
The dynamic piston 106 being connected with the junction surface 1023 of trigger unit is moved along liquid storage cylinder 1011, makes piston
106 return to the original state that trigger unit is not pressed, now due to being full of fluid in supply chamber 1034
And supply chamber 1034 is connected by hollow penetrating member 104 with liquid storage cylinder 1011, in piston 106
During returning to original state, because liquid storage cylinder 1011 is nearly at vacuum state, and chamber 1034 is fed
The interior hollow penetrating member 104 for full of fluid, being connected with liquid storage cylinder 1011 can be in supply chamber 1034
Fluid is drawn into liquid storage cylinder 1011, makes the pressure balance in liquid storage cylinder 1011 and supply chamber 1034.By
Original state is returned under the active force for filling part, then the fluid of suction liquid storage cylinder and storage in piston
The amount of fluid of original state storage is identical in sap cavity.In a kind of specific embodiment, part is filled
108 can be spring.In some other implementation method, full part can also be can be in trigger unit
Make piston that the miscellaneous part of state when trigger unit is not pressed is returned to along liquid storage cylinder when being released.
In certain embodiments of the present invention, device 10 can not include full part.In such reality
Apply in mode, in the case of trigger unit is discharged, the fluid for feeding chamber has enough pressure so that
Piston 106 along liquid storage cylinder movement to return to the original state that trigger unit is not pressed, in piston 106
During recovery, the hollow penetrating member that supply chamber has been connected with liquid storage cylinder can feed the stream in chamber
Body is drawn into liquid storage cylinder, completes the fluid supply to liquid storage cylinder.
In certain embodiments of the present invention, device 10 may also include shell 109.Shell 109 can portion
Divide ground storage injection mechanism 101 and connection member 103, for example, a part and the company of injection mechanism can be received
The whole of relay part.Shell 109 is to be beaten in the corresponding region in hole 1036 with connection member 103
Open, that is to say, that shell 109 has the opening that can be opened or closed in the corresponding region in hole 1036.
In a kind of specific embodiment, shell 109 is being opening with the corresponding region in hole 1036.
In some embodiments, outlet fluid may include the second end in covering supply chamber 1034
1032 cap portion 1091, the cap portion has the hole 1093 for exporting fluid.Hollow penetrating member 104 exists
After supply chamber 1034, the cap portion 1091 of outlet fluid can be put in.Via hollow penetrating member
The fluid of 104 outputs is flowed into after cap portion 1091, is exported to administration portion by the hole 1093 in cap portion 1091
Position.In the implementation method shown in Fig. 3, cap portion 1091 is provided with 1 hole, but in some other implementation
In mode, 2,3,4 or more holes can be set, multiple positions in cap portion are separately positioned on.
Cap portion 1091 can also have opening (for example, opening 1092) and cover the diaphragm seal of the opening, and this is opened
Position of the position of mouth not with hole 1093 overlaps, can be to the second end 1032 and cap portion by the opening
The fluid in space and its inside between 1091 is sterilized.Opening 1092 can cover diaphragm seal 1094,
For example, it may be the diaphragm seal 1094 being made up of macromolecular material etc..The diaphragm seal does not allow the stream of inside
Body oozes out, but allows the material (for example, gas etc.) sterilized to internal fluid to penetrate into.
Next, with reference to accompanying drawing 4, describing the fluid infusion apparatus for being administered to patient of the invention
A kind of 10 working condition.
As in Fig. 4 1. shown in, the fluid of the memory storage fixed qty of liquid storage cylinder 1011, injection mechanism return
Move back part 107 (for example, spring) and full part 108 (for example, spring) is in free state, edge
The trigger unit 102 that the direction shown in the 1. middle arrow in Fig. 4 presses injection mechanism, back-off component 107
Compressed with full part 108；Hollow penetrating member 104 is moved down under injection mechanism promotion, directly
Run through the second end 1032 in supply chamber 1034 to hollow penetrating member 104, and go deep into outlet fluid,
As in Fig. 4 2. shown in；Continue to press in the case of hollow penetrating member puts in outlet fluid to touch
Hair part 102, trigger unit 102 is moved down with piston 106 along liquid storage cylinder 1011, by liquid storage
Fluid in chamber 1011 arrives outlet fluid via the output of hollow penetrating member 104, until emptying, such as
It is 3. shown in Fig. 4；After fluid evacuation in liquid storage cylinder 1011, trigger unit 102 is discharged, returned
Moving back part 107 drives liquid storage cylinder 1011 to return to the original state that trigger unit 102 is not pressed, while
The hollow penetrating member 107 that drive is fixedly connected with injection mechanism 101 returns to original state, returns to benefit
To in chamber 1034, connection supply chamber and liquid storage cylinder, as in Fig. 4 4. shown in；Then, now, it is hollow
Penetrating member connects supply chamber with liquid storage cylinder, under the active force of full part 108, with work
Plug 106 is moved upwards along liquid storage cylinder 1011, and hollow penetrating member 104 will feed the stream in chamber 1034
Body suck liquid storage cylinder 1011, liquid storage cylinder 1011 is refilled fluid, as in Fig. 4 5. shown in.
Fluid infusion apparatus of the invention, can avoid per injection from setting the process of infusion amount, letter
The injection process of fluid injection (for example, particularly large bolus injection) is changed.
It should be noted that the fluid infusion apparatus that the present invention is provided can be as the injection of large bolus injection
Device is used alone, and can also be combined with the injection device injected for basic crack, and composition can be carried out greatly
Dosage injection can carry out the comprehensive fluid injector of basic crack injection again.
Although it should be pointed out that each side of said apparatus be in a specific sequence with specific structure cloth
Put and be described, but this is only used for being limited for example, not constituting the present invention, and institute of the present invention
Claimed theme is not limited to described order and structure arrangement.It will be appreciated by those skilled in the art that
In the case of essence of the invention is not departed from, can to invention, various modification can be adapted and deformation, and can be with
Carry out equivalent.Therefore, the claimed theme of the present invention is not limited to specific reality disclosed above
Mode is applied, all technical schemes and skill equivalent therewith for falling into claims are may also include
Art scheme.Additionally, in the claims, unless otherwise indicated, all of term should be by broadest reasonable
The meaning understood.
Claims (14)
1. the fluid infusion apparatus being administered to patient are used for, it is characterised in that the device includes：
Injection mechanism, including accommodate scheduled volume fluid to be transfused liquid storage cylinder and can in the liquid storage cylinder
Mobile piston；
Outlet fluid, for fluid output to be arrived into patient；
Connection member, is connected between the injection mechanism and the outlet fluid, the connection member
With the supply chamber for accommodating fluid；
Hollow penetrating member, is fixedly connected with the injection mechanism and its hollow space connects with the liquid storage cylinder
Logical, the hollow penetrating member is configured to：Run through the supply chamber under the promotion of the injection mechanism and stretch
Entering in the outlet fluid can displace institute in order to the piston by the fluid in the liquid storage cylinder
In stating outlet fluid, and returned under the dragging of the injection mechanism in the supply chamber with will
The supply chamber connects described in order to imported into the fluid in the supply chamber with the liquid storage cylinder
In liquid storage cylinder.
2. device according to claim 1, it is characterised in that the injection mechanism also includes：
Trigger unit, is connected with the piston, and the trigger unit is configured to be pressed so that the note
Hollow penetrating member described in mechanism urges is penetrated through the supply chamber and is put in the outlet fluid,
Also, the trigger unit is further configured to：The fluid is put in the hollow penetrating member
It is pressed in the case of in output channel, so that the piston of the injection mechanism is moved in the liquid storage cylinder
Displaced in the outlet fluid with by the fluid in the liquid storage cylinder.
3. device according to claim 2, it is characterised in that the injection mechanism also includes：Return
Part is moved back, is connected with the liquid storage cylinder, be configured to make in the case of the trigger unit is released
The liquid storage cylinder return back to the state connected with the supply chamber by the hollow penetrating member.
4. device according to claim 3, it is characterised in that described device also includes：
Full part, is connected with the injection mechanism, is configured to the benefit in the hollow penetrating member
The piston is moved in the case of connection with the liquid storage cylinder to chamber in order to pass through the hollow penetrating member
Fluid in the supply chamber is imported into the liquid storage cylinder.
5. device according to claim 1, it is characterised in that described device also includes：
Shell, for partly receiving the injection mechanism and the connection member.
6. device according to claim 5, it is characterised in that the supply chamber includes first end
With positioned at second of first end offside, wherein, the hollow penetrating member passes through the first end
The supply chamber is set to be connected with the liquid storage cylinder, promotion of the hollow penetrating member in the injection mechanism
Under through the second end and put in the outlet fluid.
7. device according to claim 6, it is characterised in that the supply chamber is in the first end
Region outside portion and the second end has the first hole connected with fluid inlet channel.
8. device according to claim 7, it is characterised in that the shell with first hole
Corresponding region can be opened.
9. device according to claim 8, it is characterised in that the shell with first hole
Corresponding region is opening.
10. device according to claim 6, it is characterised in that the supply chamber is in the first end
Region outside portion and the second end has the first opening and covers the first diaphragm seal of first opening.
11. devices stated according to claim 6, it is characterised in that the first end is by can be by institute
The seal for stating hollow penetrating member puncture is formed.
12. devices according to claim 6, it is characterised in that the second end is by can be by
The separator that the hollow penetrating member is pierced through is formed.
13. devices according to claim 6, it is characterised in that the outlet fluid includes covering
The cap portion of the second end is covered, the cap portion has the second hole for exporting fluid.
14. devices according to claim 13, it is characterised in that the cap portion also has second to open
Mouth and second diaphragm seal of covering second opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510989295.4A CN106902420A (en) | 2015-12-23 | 2015-12-23 | For the fluid infusion apparatus being administered to patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510989295.4A CN106902420A (en) | 2015-12-23 | 2015-12-23 | For the fluid infusion apparatus being administered to patient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106902420A true CN106902420A (en) | 2017-06-30 |
Family
ID=59206290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510989295.4A Pending CN106902420A (en) | 2015-12-23 | 2015-12-23 | For the fluid infusion apparatus being administered to patient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106902420A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150906A (en) * | 2020-02-24 | 2020-05-15 | 苏州恒瑞宏远医疗科技有限公司 | Two-step automatic injection device |
| CN111330115A (en) * | 2018-12-18 | 2020-06-26 | 重庆倍加医疗器械有限公司 | Syringe and method for manufacturing same |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB685178A (en) * | 1950-01-17 | 1952-12-31 | Becton Dickinson Co | Improvements relating to hypodermic injection apparatus |
| DE1491842A1 (en) * | 1966-06-13 | 1969-09-18 | Delet | Injection syringe |
| AU5897973A (en) * | 1973-08-28 | 1975-02-13 | Murdoch C A | Dispensing means for liquid or pasty substances |
| CN102307608A (en) * | 2009-02-04 | 2012-01-04 | 马林克罗特公司 | Hand-actuated syringe with vacuum chamber for auto refill |
| CN102802701A (en) * | 2009-06-17 | 2012-11-28 | 尤尼特拉克特注射器公司 | Syringe adapter |
| CN103079606A (en) * | 2010-08-10 | 2013-05-01 | 弗·哈夫曼-拉罗切有限公司 | Drug reconstitution and delivery device |
| CN103492007A (en) * | 2011-01-17 | 2014-01-01 | 阿克蒂夫帕克股份有限公司 | Aseptic cartridge and dispenser arrangement |
| CN103764204A (en) * | 2011-08-26 | 2014-04-30 | 伊莱利利公司 | Refill module for an injection device |
| CN104768598A (en) * | 2012-10-25 | 2015-07-08 | 诺和诺德A/S（股份有限公司） | A pre-filled disposable injection device |
| CN205360152U (en) * | 2015-12-23 | 2016-07-06 | 美敦力公司 | A fluid infusion device for being directed at patient doses |
-
2015
- 2015-12-23 CN CN201510989295.4A patent/CN106902420A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB685178A (en) * | 1950-01-17 | 1952-12-31 | Becton Dickinson Co | Improvements relating to hypodermic injection apparatus |
| DE1491842A1 (en) * | 1966-06-13 | 1969-09-18 | Delet | Injection syringe |
| AU5897973A (en) * | 1973-08-28 | 1975-02-13 | Murdoch C A | Dispensing means for liquid or pasty substances |
| CN102307608A (en) * | 2009-02-04 | 2012-01-04 | 马林克罗特公司 | Hand-actuated syringe with vacuum chamber for auto refill |
| CN102802701A (en) * | 2009-06-17 | 2012-11-28 | 尤尼特拉克特注射器公司 | Syringe adapter |
| CN103079606A (en) * | 2010-08-10 | 2013-05-01 | 弗·哈夫曼-拉罗切有限公司 | Drug reconstitution and delivery device |
| CN103492007A (en) * | 2011-01-17 | 2014-01-01 | 阿克蒂夫帕克股份有限公司 | Aseptic cartridge and dispenser arrangement |
| CN103764204A (en) * | 2011-08-26 | 2014-04-30 | 伊莱利利公司 | Refill module for an injection device |
| CN104768598A (en) * | 2012-10-25 | 2015-07-08 | 诺和诺德A/S（股份有限公司） | A pre-filled disposable injection device |
| CN205360152U (en) * | 2015-12-23 | 2016-07-06 | 美敦力公司 | A fluid infusion device for being directed at patient doses |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330115A (en) * | 2018-12-18 | 2020-06-26 | 重庆倍加医疗器械有限公司 | Syringe and method for manufacturing same |
| CN111330115B (en) * | 2018-12-18 | 2022-06-24 | 重庆倍加医疗器械有限公司 | Syringe and method for manufacturing same |
| CN111150906A (en) * | 2020-02-24 | 2020-05-15 | 苏州恒瑞宏远医疗科技有限公司 | Two-step automatic injection device |
| CN111150906B (en) * | 2020-02-24 | 2020-09-29 | 苏州恒瑞宏远医疗科技有限公司 | Two-step automatic injection device |
| WO2021169048A1 (en) * | 2020-02-24 | 2021-09-02 | 苏州恒瑞宏远医疗科技有限公司 | Two-step automatic injection apparatus |
| CN114828919A (en) * | 2020-02-24 | 2022-07-29 | 苏州恒瑞宏远医疗科技有限公司 | Two-step automatic injection device |
| CN114828919B (en) * | 2020-02-24 | 2023-06-16 | 苏州恒瑞宏远医疗科技有限公司 | Two-step automatic injection device |
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