CN106267447A - A kind of fluid infusion apparatus and manufacture method thereof - Google Patents
A kind of fluid infusion apparatus and manufacture method thereof Download PDFInfo
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- CN106267447A CN106267447A CN201510271512.6A CN201510271512A CN106267447A CN 106267447 A CN106267447 A CN 106267447A CN 201510271512 A CN201510271512 A CN 201510271512A CN 106267447 A CN106267447 A CN 106267447A
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Abstract
The invention provides a kind of fluid infusion apparatus for being administered patient and manufacture method thereof, this device includes: reservoir, has the arc chambers for storing infusion fluid；Arc injects bar, is configured to the arc direction of arcuately chamber at arc-shaped cavity indoor moving；Injection button；Quantitative displacement mechanism, injects bar with arc and is operatively connected, and is configured to when injection button is operated to promote arc to inject bar at arc-shaped cavity indoor moving preset distance, thus by the fluid output of predetermined quantity in reservoir.Implement said apparatus and method, can the overall volume of reduction device, the quantity of fluid infusion can be accurately controlled again.
Description
Technical field
The present invention relates to fluid infusion field, in particular to a kind of for patient is administered
Fluid infusion apparatus and the method manufacturing this fluid infusion apparatus.
Background technology
Diabetes are a kind of metabolic diseases being characterized with hyperglycemia.Hyperglycemia is typically due to insulin and divides
Secrete defect or its biological agent is impaired, or both comprehensive functions cause.Long-term existence in diabetics body
Hyperglycemia can cause multiple organ (such as, eye, kidney, heart, blood vessel, nervous system etc.)
Chronic lesion, dysfunction.
Diabetes clinical diagnosis can be divided into type 1 diabetes and type 2 diabetes mellitus.Type 1 diabetes, also referred to as islets of langerhans
Element dependent diabetes, patient condition typically occurs in child or adolescent's period, is that one is lost by family
The congenital diseases passed.Type 1 diabetes belongs to a kind of autoimmune disease, and the immune system of health is to body
The β cell of interior production insulin makes attack, ultimately results in and internal cannot produce insulin.This kind of patient
Need the blood sugar level in the islets of langerhans usually control volume of injection of exogenous.Type 1 diabetes patient is it is generally required to 24
Hour carrying electronic formula insulin pump in treatment, such as, Medtronic Minimed series insulin pump.2 type sugar
Urine disease, also referred to as non-insulin-dependent diabetes mellitus, general patient is adult, particularly obese people,
Its disease can cause becoming thin.The possible cause of disease includes: insulin resistant, makes health not to be efficiently used
Insulin；The minimizing of insulin secretion, it is impossible to needed for meeting health.Type 2 diabetes mellitus patient in early days is permissible
By the mode of making the life better (such as, health diet, moderate exercise, safe fat-reducing, give up smoking and avoid second-hand
Cigarette etc.) control, even cure diabetes.
The existing insulin pump being suitable for type 2 diabetes mellitus patient has electronic type and two kinds of insulin pumps of mechanical type,
Two kinds of insulin pumps are required for optimized integration amount injection simultaneously and bolus quantities two kinds of infusion of insulin modes of injection.
Electronic type insulin pump often structure is complicated, and weight is relatively big, and expensive, and that can popularize use can
Row is the highest.But, existing mechanical insulin pump configuration typically uses straight line stepping type to bolus quantities
Injection volume is controlled, but such control mode adds the length dimension of insulin pump, adds whole
The volume of body, is unfavorable for the portable use of insulin pump.Before not increasing insulin pump overall volume
Putting, existing insulin pump structure is difficult to accurately control the injection volume of bolus quantities per injection.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of fluid for patient is administered
Infusion device and manufacture method thereof, this fluid infusion apparatus has reservoir, in reservoir along camber line side
Inject bar to the arc of movement and arc can be promoted when injection button operates to inject bar at arc-shaped cavity
Indoor moving preset distance, thus by the quantitative displacement mechanism of the fluid output of predetermined quantity in reservoir,
The overall volume of infusion device can either be reduced, additionally it is possible to accurately control the quantity of fluid infusion.
First aspect according to embodiment of the present invention, it is provided that a kind of stream for patient is administered
Body infusion device, this device comprises the steps that reservoir, has the arc chambers for storing infusion fluid；
Arc injects bar, is configured to the arc direction along described arc chambers at described arc-shaped cavity indoor moving；
Injection button；Quantitative displacement mechanism, injects bar with described arc and is operatively connected, and is configured at described note
Penetrate and described arc when button is operated, can be promoted to inject bar at described arc-shaped cavity indoor moving preset distance,
Thus by the fluid output of predetermined quantity in described reservoir.
In some embodiments, described quantitative displacement mechanism comprises the steps that driving lever, injects with described arc
Bar operability engages and described arc can be driven to inject bar and is synchronized with the movement, has multiple first tooth；Tooth bar,
Contact with described injection button operability, there is curved body and be arranged on described curved body second
Tooth and the 3rd tooth, described second tooth and the 3rd tooth are configured to coordinate with the plurality of first tooth with at described note
Penetrate button and operated the number of teeth that driving lever described in limit moves；Energy storage component, with described driving lever operability even
Connect, store mechanical energy and be configured to apply driving force so that described driving lever moves predetermined tooth to described driving lever
Number.
In some embodiments, the second tooth of described tooth bar may be disposed at the side of described curved body,
Be configured to when described injection button is pressed to allow described driving lever under the driving force of described energy storage component across
The most described second tooth moves the predetermined number of teeth；3rd tooth of described tooth bar may be disposed at the another of described curved body
Side, is configured to when described injection button is released move described driving lever location to limit described driving lever
The number of teeth.
The most described device also includes base and housing, wherein, described reservoir, institute
State in the space that quantitative displacement mechanism is mountable to described base and the restriction of described housing.
In some embodiments, described driving lever can have curved body and from described curved body to described
The outside stem portion extended of housing, wherein, the lateral surface of the curved body of described driving lever is uniformly distributed
Having the plurality of first tooth, a lateral tooth flank of described first tooth is the flank of tooth mated with described second tooth, separately
One lateral tooth flank is the flank of tooth mated with described 3rd tooth, the stem portion of described driving lever be configured to be struck with
Described curved body is made to move along arc direction.
In some embodiments, the side of the curved body of described driving lever can have assembling described arc push away
The joint hole of the installation portion of note bar.
In some embodiments, the stem portion of described driving lever can extend to institute from the opening of described housing
State the outside of housing, and can be struck in described opening.
In some embodiments, the stroke that the stem portion of described driving lever is stirred can be with described arc chambers
Length equal.
In some embodiments, described energy storage component can include coil tension spring.
In some embodiments, described coil tension spring can be positioned in the arc groove of described base, institute
The one end stating coil tension spring is installed on the end face of described arc groove, and the other end is installed on the arc of described driving lever
Inject the contrary side of bar with described arc in shape main body.
In some embodiments, described driving lever can have circular body and the circumference from described circular body
To the outside stem portion extended of described housing, wherein, the first area of the circular body of described driving lever
Being evenly distributed with the first tooth that multiple and described second tooth mates, second area is evenly distributed with multiple and institute
Stating the first tooth of the 3rd tooth coupling, the stem portion of described driving lever is configured to be struck so that described circle is main
Body circumferentially moves.
In some embodiments, described first area and described second area are about described circular body
Diameter shaft is symmetrical and has the first tooth of equal densities and quantity.
In some embodiments, the stem portion of described driving lever can have staircase structural model, described arc
Inject bar and there is the arc body of rod and the installation portion of the radial direction extension along the described arc body of rod, described installation
Portion has the recess extended along described radial direction, wherein, the height of the staircase structural model of described stem portion
Portion embeds described arc and injects the recess of bar and engage so that described driving lever is injected bar with described arc.
In some embodiments, the stem portion of described driving lever can engage from described housing and described base
The opening at place extends to the outside of described housing, and can have for described stem on described base
Divide the slide rail of movement.
In some embodiments, described energy storage component can include torsion spring.
In some embodiments, described torsion spring can be positioned in the circular groove of described base, described torsion
One end of spring is installed on described base, and the other end is installed on the circular body of described driving lever.
In some embodiments, described tooth bar can have and engages with the cylindrical parts on described base
Keyway, and can rotate in the length range of described keyway.
In some embodiments, described housing can be provided with in the lift area that described driving lever is stirred with
The scale that described predetermined quantity is corresponding.
Second aspect according to embodiment of the present invention, it is provided that a kind of manufacture is used for being administered patient
The method of fluid infusion apparatus, the method comprises the steps that offer has the arc for storing infusion fluid
The reservoir of chamber；Thering is provided arc to inject bar, wherein said arc is injected bar and is configured to along described arc-shaped cavity
The arc direction of room is at described arc-shaped cavity indoor moving；Injection button is provided,；There is provided and push away with described arc
The quantitative displacement mechanism that note bar is operatively connected, wherein, described quantitative displacement mechanism is configured at described note
Penetrate and described arc when button is operated, can be promoted to inject bar at described arc-shaped cavity indoor moving preset distance,
Thus by the fluid output of predetermined quantity in described reservoir.
The fluid infusion apparatus being used for patient is administered of embodiment of the present invention offer and manufacturer thereof
Method, by by the chamber of reservoir with inject bar and be designed as arcuate structure, it is possible to reduction infusion device whole
Body size, makes infusion device the compactest, it is simple to user dresses under several scenes；Further, logical
The injection volume to bolus quantities injection that coordinates of the quantitative displacement mechanism and injection button of crossing multiple version enters
Row accurately controls, and simplifies the setting up procedure of injection volume.
Accompanying drawing explanation
Fig. 1 be according to first embodiment of the invention for the fluid infusion apparatus that patient is administered
Assembling schematic diagram；
Fig. 2 a be according to first embodiment of the invention for the fluid infusion apparatus that patient is administered
Decomposition view；
Fig. 2 b is the enlarged diagram of the driving lever shown in Fig. 2 a；
Fig. 2 c is the enlarged diagram of the tooth bar shown in Fig. 2 a；
Fig. 3 a be according to first embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 3 b be according to first embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 3 c be according to first embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 4 a be according to first embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 4 b be according to first embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 4 c be according to first embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 5 be according to second embodiment of the invention for the fluid infusion apparatus that patient is administered
Assembling schematic diagram；
Fig. 6 a be according to second embodiment of the invention for the fluid infusion apparatus that patient is administered
Decomposition view；
Fig. 6 b is the enlarged diagram of the driving lever shown in Fig. 6 a；
Fig. 6 c is the method schematic diagram of the tooth bar shown in Fig. 6 a；
Fig. 7 a be according to second embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 7 b be according to second embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 8 a be according to second embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 8 b be according to second embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram；
Fig. 9 is the schematic flow sheet of the method for the manufacture fluid infusion apparatus according to embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this
Bright it is described in further detail.It should be noted that the present invention is not limited to parts structure shown in the drawings
Make and/or arrange, without departing from the case in the spirit of the invention, it is also possible to the various embodiment party to the present invention
Formula carries out various different combination.
Embodiment of the present invention provides a kind of fluid infusion apparatus for being administered patient, this dress
Put and can include that reservoir, arc inject bar, injection button and quantitative displacement mechanism.Wherein, liquid storage apparatus
Having the arc chambers of storage infusion fluid, this arc chambers has a certain radian, such as, π/4, π/3,
Pi/2 etc..The storable fluid of arc chambers can include various different liquid etc..At some embodiments
In, the storable fluid of arc chambers includes the therapeutic fluid medicine of such as insulin, analgesic etc,
In such embodiment, arc chambers can be arc medicine bag.Arc is injected bar and can be had and arc
The rod-like structure of shape chamber correspondence radian, this shaft-like mechanism can arrange work in one end of arc-shaped cavity indoor moving
Plug (such as, silica gel plug) such that it is able to the arc direction along arc chambers moves without allowing arc
Fluid in shape chamber flows out, and the other end can be connected with quantitative displacement mechanism, be operated at injection button
Time (such as, injection button is pressed or during the operation such as release by user) promoted along arc chambers
Arc direction move preset distance, thus by the stream of predetermined quantity corresponding for this preset distance in reservoir
Body exports.Wherein, the above-mentioned predetermined quantity of fluid can be injected bar by the internal diameter of arc chambers and arc and existed
The preset distance of arc-shaped cavity indoor moving together decides on.
[the first embodiment]
Fig. 1 be according to first embodiment of the invention for the fluid infusion apparatus that patient is administered
Assembling schematic diagram；Fig. 2 a be according to first embodiment of the invention for the stream that patient is administered
The decomposition view of body infusion device；Fig. 2 b is the enlarged diagram of the driving lever shown in Fig. 2 a；Fig. 2 c is
The enlarged diagram of the tooth bar shown in Fig. 2 a；Fig. 3 a be according to first embodiment of the invention for right
The mode of operation schematic diagram of the fluid infusion apparatus that patient is administered；Fig. 3 b is real according to the present invention first
Execute the mode of operation schematic diagram of the fluid infusion apparatus for patient is administered of mode；Fig. 3 c is root
Show according to the mode of operation of the fluid infusion apparatus for patient is administered of first embodiment of the invention
It is intended to；Fig. 4 a is filling for the fluid infusion being administered patient according to first embodiment of the invention
The mode of operation schematic diagram put；Fig. 4 b be according to first embodiment of the invention for patient is carried out to
The mode of operation schematic diagram of the fluid infusion apparatus of medicine；Fig. 4 c is the use according to first embodiment of the invention
Mode of operation schematic diagram in the fluid infusion apparatus that patient is administered.
As shown in Fig. 1 and Fig. 2 a to Fig. 2 c, fluid infusion apparatus 100 can include reservoir 101, arc
Inject bar 102, injection button 103, driving lever 104, tooth bar 105, energy storage component (such as, flexible bullet
Spring etc.) 106, base 107 and housing 108.Wherein, reservoir 101, driving lever 104, tooth bar 105,
Energy storage component 106 is mountable to base 107 and is accommodated in housing 108 (such as, covering base 107
Cover case) in.Reservoir 101 has storage infusion fluid (such as, the liquid of such as insulin etc
Body) arc chambers 1011, arc is injected bar 102 and can be existed along the arc direction of arc chambers 1011
Move in arc chambers 1011.
Driving lever 104, tooth bar 105 and energy storage component 106 may be constructed quantitative displacement mechanism, at injection button
103 promote arc to inject bar 102 at arc chambers when being operated (such as, be pressed and discharge operation)
Mobile preset distance (such as, the number of teeth set in advance) in 1011, thus this makes a reservation for by reservoir 101
The fluid output of the predetermined quantity that distance is corresponding, it is achieved the bolus quantities injection of exact dose.
Injection button 103 can contact with the side surface operability of the side, tooth 1051 place of tooth bar 105, example
As, contact when injection button 103 is pressed and press tooth bar 105 1 side surface, at injection button 103
Do not contact with tooth bar 105 when being released.Tooth bar 105 has curved body 1053 and is arranged at this arc master
Variform two teeth 1051 and 1052 on body 1053, curved body 1053 also has at the bottom of joint
One keyway 1054 of the column 1071 of seat 107, keyway 1054 and the described column 1071 of tooth bar 105
Engage so that this tooth bar 105 can rotate around column 1071.Two teeth 1051 and 1052 are separately positioned on
The both sides of curved body 1053, wherein, from the point of view of the direction in the face of Fig. 2 a, a left side for the tooth 1051 in left side
The right flank of tooth is symmetrical, can be used for intercepting the motion of driving lever 104 temporarily, and the right flank of the tooth 1052 on right side is
Pawl shape, can be used for positioning driving lever 104.Two teeth 1051 and 1052 of tooth bar 105 can be distinguished
With the left and right sides flank of tooth of multiple teeth (such as, more than or equal to two teeth) of driving lever 104 coordinate with
Injection button 103 is moved the predetermined number of teeth, such as, at injection button 103 by operation limit driving lever 104
The tooth 1051 allowing driving lever 104 to cross over tooth bar 105 under the driving force of energy storage component 106 when being pressed moves
Dynamic 1 tooth, is positioned the tooth on driving lever 104 by tooth 1052 when injection button 103 is released, from
And the tooth leap tooth 1051 limited on driving lever 104 continues to move to, by limiting the number of teeth that driving lever 104 moves
Limit the arc being synchronized with the movement with driving lever 104 and inject the distance that bar 102 moves.
Driving lever 104 is injected bar 102 and is engaged and can drive arc to inject bar 102 to be synchronized with the movement with arc,
Such as, can receive, by the hole 1041 that engages on driving lever 104, the installation portion 1021 that arc is injected on bar 102
(such as, protuberance or cylindrical portion etc.) engages.Driving lever 104 can have curved body 1042 and from this
Curved body 1042 is to the outside stem portion 1043 extended of housing 108.Wherein, the arc of driving lever 104
The lateral surface of shape main body 1042 is evenly distributed with multiple tooth 1044, a lateral tooth flank (example of each tooth 1044
Such as, right flank) it is the flank of tooth that mates of the symmetrical flank of tooth of tooth 1051 with tooth bar 105, the opposite side flank of tooth
(such as, left flank) is the pawl flank of tooth that the pawl flank of tooth with tooth 1052 mates.
Injection button 103 is designed to the side surface of the left side tooth 1051 with tooth bar 105 and contacts.When
During pressing injection button 103 (such as, the direction of lower section arrow indication along Fig. 3 a), injection button 103
The side surface of the left side tooth 1051 of contact arc tooth bar 105, presses tooth bar 105 and rotates clockwise, turn to
The left side tooth 1051 of tooth bar 105 contacts the bottom between two teeth of driving lever 104 as shown in Figure 3 a, releases
Engaging of the left flank of the right flank of the right side tooth 1052 of tooth bar 105 and the tooth 1044 of driving lever 104,
The most just relieve the tooth bar 105 location to driving lever 104.When shown in Fig. 3 a, on driving lever 104
Tooth 1044 under the driving force of energy storage component 106 can clockwise (such as, along Fig. 3 a top arrow
Direction shown in Tou) rotate, make the left side tooth 1051 of tooth bar 105 can cross 1 tooth of driving lever 104,
Then release injection button 103 (such as, the direction of lower section arrow indication along Fig. 3 b) so that tooth bar 105
Rotating counterclockwise to state as shown in Figure 3 b, driving lever 104 continues under the driving force of energy storage component 106
Rotating clockwise, the right side tooth 1052 of tooth bar 105 enters between two teeth of driving lever 104, along with driving lever 104
Continue rotate clockwise and the rotating counterclockwise of tooth bar 105, the tooth of driving lever 104 is by the right side of tooth bar 105
Side tooth 1052 blocks, as shown in Figure 3 c, it is achieved the location to driving lever 104, limits driving lever 104 and continues
Mobile.The tooth 1044 of driving lever 104 has rotated clockwise the distance of 1 tooth, stem portion 1043 also with
The distance moving 1 tooth, the arc being synchronized with the movement with driving lever 104 injects bar 102 also at arc-shaped cavity
The distance that in room 1011,1 tooth of moving is corresponding, thus by the fluid of this distance respective amount from liquid storage
The infusion orifice 1012 of device 101 is released.
Owing to the tooth 1044 on driving lever 104 is for being uniformly distributed, often pressing shot button 103 just can
Make driving lever move the distance of 1 tooth, drive arc to inject bar 102 by interior for arc chambers 1,011 1 tooth pair
The fluid answering quantity exports.Often pressing shot button 103 can be considered the fluid of 1 unit of injection,
The total amount of injecting fluid, very convenient user can be accurately set by the number of times of pressing injection button 103
Injection operation.
The stem portion 1043 of driving lever 104 can stretch out from the opening 1081 of housing 108, and
Can be struck in opening 1081, the row that the length of opening 1081 can be stirred with stem portion 1043
Journey is equal.The stem portion 1043 of driving lever 104 moves and arc can be driven to inject bar 102 (such as, pass through
Arc chambers inject mouth) arc direction of arcuately chamber 1011 is at the length model of arc chambers 1011
Enclose interior movement.The length of arc chambers 1011 may be configured as equal with the stroke of stem portion 1043,
Under such situation, stem portion 1043 is struck one end of opening 1081, it is simply that arc chambers 1011
Interior fluid evacuation or the state filled up.And it is possible to opening 1081 both sides of housing 108 arrange with
The stem portion 1043 of driving lever 104 moves 1 scale corresponding to amount of fluid corresponding to tooth.Such
Under situation, can obtain, according to scale, the distance that driving lever moves, without the pressing to injection button 103
Number of times counts, and further facilitates the operation of user.
Reservoir 101, driving lever 104, tooth bar 105, energy storage component 106 be mountable to base 107 and
It is accommodated in housing 108.Such as, reservoir 101 can be directly fixed on base 107, driving lever 104
Can be coordinated with the installation portion on base 107 by junction surface and install, tooth bar 105 can pass through arc master
Keyway 1054 on body 1053 is installed on the column 1071 of base 107 and installs, energy storage component 106
(such as, coil tension spring etc.) may be disposed in the arc groove 1072 on base 107, its one end peace
Being loaded on the end face of arc groove 1072, the other end is installed on the bar 102 of injecting with arc of driving lever 104 and engages
Opposite end (such as, be mountable to the cylindricality end 1045 of driving lever 104), and energy storage component 106
Can be compressed in arc groove 1072 and be discharged, promote driving lever 104 to move.It is installed on base 107
Reservoir 101, driving lever 104, tooth bar 105 and energy storage component 106 can be accommodated in covering base 107
In cover case 108.
Described above is and inject bar 102 and by driving lever 104, tooth bar 105, energy storage component 106, arc
Coordinating the process of the fluid output of predetermined quantity in reservoir 101 of injection button 103 parts such as grade.Logical
Cross driving lever 104, tooth bar 105 and arc to inject the cooperation of the parts such as bar 102 and can also realize to reservoir
101 fill fluid.As shown in Fig. 4 a, Fig. 4 b and Fig. 4 c, stir the stem portion of driving lever 104 counterclockwise
1043, energy storage component (such as, coil tension spring) 106 is compressed, and memory action power, from towards Fig. 4's
From the point of view of direction, the right flank of the tooth 1044 on driving lever 104 the most repeatedly with the left side tooth of tooth bar 105
1051 contact with the left flank of right side tooth 1052, and tooth bar 105 can swing repeatedly around rotary shaft, rotate
Axle can be the column 1071 of base 107, and the curved body 1053 of tooth bar 105 has joint column
The keyway 1054 of 1071, tooth bar 105 can rotate in the length range of keyway 1054.But tooth bar
The swing repeatedly of 105, will not stop the counterclockwise (such as, along arrow above Fig. 4 a to Fig. 4 c of driving lever 104
Direction shown in Tou) rotate.Rotating counterclockwise of driving lever 104 can drive arc to inject bar 102 at arc
Move counterclockwise in chamber 1011, in making arc chambers 1011, form negative pressure, by reservoir 101
Input port 1013 sucks fluid.
In some other embodiment, reservoir 101 can be set to disposable discardable parts,
Need not the process stirring driving lever 104 counterclockwise fluid to be sucked repeatedly arc chambers 1011.Arc-shaped cavity
Room 1011 can be the medicine bag directly filling fluid, it is possible to by the infusion of penetrating member Yu reservoir 101
Mouth 1012 fluid communication, drives arc to inject bar 102 by driving lever 104 and carries out infusion.
[the second embodiment]
Fig. 5 be according to second embodiment of the invention for the fluid infusion apparatus that patient is administered
Assembling schematic diagram；Fig. 6 a be according to second embodiment of the invention for the stream that patient is administered
The decomposition view of body infusion device；Fig. 6 b is the enlarged diagram of the driving lever shown in Fig. 6 a；6c is figure
The method schematic diagram of the tooth bar shown in 6a；Fig. 7 a be according to second embodiment of the invention for trouble
The mode of operation schematic diagram of the fluid infusion apparatus that person is administered；Fig. 7 b is to implement according to the present invention second
The mode of operation schematic diagram of the fluid infusion apparatus for patient is administered of mode；Fig. 8 a is basis
The mode of operation signal of the fluid infusion apparatus for patient is administered of second embodiment of the invention
Figure；Fig. 8 b be according to second embodiment of the invention for the fluid infusion apparatus that patient is administered
Mode of operation schematic diagram.
As shown in Fig. 5 and Fig. 6 a to Fig. 6 c, fluid infusion apparatus 200 can include reservoir 201, arc
Inject bar 202, injection button 203, driving lever 204, tooth bar 205, energy storage component (such as, torsion spring etc.)
206 and base 207.Reservoir 201, driving lever 204, tooth bar 205, energy storage component 206 are mountable to the end
Seat 207, and can be accommodated in housing (not shown).Reservoir 201 has storage infusion fluid (example
Such as, the liquid of such as insulin etc) arc chambers 2011, arc injects bar 202 can be along arc
The arc direction of shape chamber 2011 moves in arc chambers 2011.Wherein, arc inject bar 202 can
There is the arc body of rod 2021 and the installation portion 2022 of the radial direction extension from the arc body of rod 2021, install
Portion 2022 has the recess extended along radial direction, can be used for engaging with driving lever 204.
Driving lever 204, tooth bar 205 and energy storage component 206 may be constructed quantitative displacement mechanism, at injection button
203 promote arc to inject bar 202 at arc chambers when being operated (such as, be pressed and discharge operation)
Mobile preset distance (such as, the number of teeth set in advance) in 2011, thus this makes a reservation for by reservoir 201
The fluid output of the predetermined quantity that distance is corresponding, it is achieved the bolus quantities injection of exact dose.
Tooth bar 205 can contact with injection button 203 operability, such as, is pressed at injection button 203
Contact with tooth bar 205 during pressure, do not contact with tooth bar 205 when injection button 203 is released.Tooth bar 205
There are curved body 2053 and variform two teeth 2051 and 2052 being arranged on this curved body,
It is also respectively provided with engaging base 207 in the both sides near tooth 2051 and tooth 2052 on curved body 2053
The keyway 2054 of upper two columns 2071, tooth bar 205 can rotate in the length range of keyway 2054.
Tooth 2051 and tooth 2052 are separately positioned on the both sides of curved body 2053, come from the face of the direction of Fig. 6 a
Seeing, the left and right tooth face of left side tooth 2051 is symmetrical, can be used for intercepting the motion of driving lever 204, right side tooth temporarily
The right flank of 2052 is pawl shape, can be used for positioning driving lever 204, limits the movement of driving lever 204.
The left side tooth 2051 of tooth bar 205 and right side tooth 2052 can coordinate with the part tooth of driving lever 204 respectively with
The predetermined number of teeth is moved, such as, at injection button 203 by operation limit driving lever 204 at injection button 203
Driving lever 204 is allowed to cross over the left side tooth 2051 of tooth bar 205 under the driving force of energy storage component 206 when being pressed
Mobile 1 tooth, by right side tooth 2052, the tooth on driving lever 204 is fixed when injection button 203 is released
Position, thus limit tooth 2051 on the left of the tooth leap on driving lever 204 and continue to move to, by limiting driving lever 204
The number of teeth of movement limits the arc being synchronized with the movement with driving lever 204 and injects the distance that bar 202 moves.
Driving lever 204 can have circular body 2041 and the outside of the round peripheral envelope from circular body 2041
The stem portion 2042 extended, wherein, a region A of circular body 2041 is evenly distributed with predetermined
The tooth 2043 that number is mated with the symmetrical flank of tooth of the left side tooth 2051 of tooth bar 205, in circular body 2041
Region A be also evenly distributed with and the right side of tooth bar 205 about circular body diameter axisymmetric region A '
The tooth 2043 of the pawl flank of tooth coupling of tooth 2052, the flank of tooth is that sawtooth is barb-like, on region A and region A '
Density and the quantity of tooth 2043 are equal, and concrete quantity and density are the most defeated with each by the capacity of reservoir
The dosage of note determines.
The stem portion 2042 of driving lever 204 has staircase structural model, and the high portion of this staircase structural model can embed
Arc injects the recess of the installation portion 2022 of bar 202, thus by driving lever 204 with inject bar 202 and engage.
Arc is injected the installation portion 2022 of bar 202 and is also had circular hole 20221 at the virtual circle centre position of arch section,
This circular hole 20221 can coaxial with the circular hole 20411 of the circle centre position of the circular body 2041 of driving lever 204 and
Same size, it is possible to the axially mounted on column 2072 to base 207, it is allowed to driving lever 204 and arc are injected
Bar 202 rotates coaxially.
Injection button 203 can contact with the side surface operability of the left side tooth 2051 of tooth bar 205, such as,
Contact when injection button 203 is pressed and press tooth bar 205 left-hand face, at injection button 203 quilt
Do not contact with tooth bar 205 during release.When pressing injection button 203, the left-hand face quilt of tooth bar 205
Pressing so that it is the length direction along keyway 2054 rotates, as shown in Figure 7a, releases tooth bar 205
Right side tooth 2052 engages with the location of the tooth of the region A ' of driving lever 204, it is allowed in driving lever 204 region A
Tooth under the driving force of energy storage component 206, cross over the left side tooth 2051 of tooth bar 205 move 1 tooth, with
Time driving lever 204 circular body 2041 move the radian of 1 tooth clockwise.When release injection button 203
Time, driving lever 204 continues to rotate clockwise under the driving force of energy storage component 206 so that tooth bar 205
Right side tooth 2052 catches on the tooth of the region A ' of driving lever 204, positions driving lever 204, such as Fig. 7 b institute
Show.Driving lever 204 has rotated clockwise the radian of 1 tooth, drives the arc rotated coaxially with it to inject bar
202 rotate the distance that 1 tooth is corresponding in arc chambers 2011, thus by the stream of this distance respective amount
Body is released from the infusion orifice of reservoir 201.
Owing to the tooth on the region A and region A ' of the circular body 2041 of driving lever 204 is uniformly and symmetrically distributed,
Often pressing shot button 203 just can make driving lever move the distance of 1 tooth, drives arc to inject bar
The fluid of interior for arc chambers 2,011 1 tooth respective amount is exported by 202.Often pressing shot button 203
Can be considered the fluid of 1 unit of injection, can accurately set note by the number of times of pressing injection button 203
The total amount of jet body, the injection operation of very convenient user.For example, it is possible to driving lever is stirred on housing
Lift area arranges injection button and presses the scale of the amount of fluid that can inject every time.User can pass through
Scale checks the total amount of injection.
The stem portion 2042 of driving lever 204 can extend to shell from the opening of housing and base 207 joint
The outside of body, user can stir stem portion 2042 from housing and make the circular body 2041 of driving lever 204
Circumferentially move.And, base 207 can arrange the lower curtate of the staircase structural model of user's stem portion 2042
The slide rail 2073 of movement, such as, slide rail 2073 can form staircase structural model with the surface of base 207,
Limit the stroke that stem portion 2042 is slided.The row that the length of slide rail 2073 can be stirred with driving lever 204
Journey is equal.
Reservoir 201, energy storage component (such as, torsion spring) 206 are mountable to base 207.Such as, storage
Liquid device 201 can have installing component 2012 (such as, cylindrical parts), and this installing component 2012 is permissible
Engage with the installing hole 2074 on base 207, reservoir 201 is fixedly installed in base 207.Base
Can arrange circular groove 2075 for placing energy storage component 206, one end of energy storage component 206 is installed on the end
Seat, the other end is installed on the circular body 2041 of driving lever 204.Base 207 also can arrange short distance slide rail
2076 slide for injection button 203 short distance pressing.
Described above is and inject bar 202 and by driving lever 204, tooth bar 205, energy storage component 206, arc
Coordinating the process of the fluid output of predetermined quantity in reservoir 201 of injection button 203 parts such as grade.So
And, the cooperation being injected the parts such as bar 202 by driving lever 204, tooth bar 205 and arc can also complete fluid
Input.
As shown in Figure 8 a, fluid infusion apparatus 200 is in original state, and arc is injected bar and is positioned at arc-shaped cavity
The bottom of room, does not has fluid in arc chambers, infusion orifice and the input port of reservoir are in closed mode.
Stirring the stem portion 2042 of driving lever 204 the most counterclockwise, the right side tooth 2052 of tooth bar 205 allows to dial
The tooth of region A and A ' of the circular body 2041 of bar 204 rotates counterclockwise, and driving lever 204 toggles it to figure
State shown in 8b, then discharges the stem portion 2042 of driving lever 204, the right side tooth 2052 of tooth bar 205
Block the tooth of the region A ' of the circular body 2041 of driving lever 204, by the circular body 2041 of driving lever 204
Location, limits driving lever 204 and turns round.During stirring driving lever 204 counterclockwise, energy storage component (example
As, torsion spring) 206 memory action power, the arc simultaneously rotated coaxially with driving lever 204 is injected bar 202 and is also turned
Dynamic corresponding radian, draws fluid into arc chambers 2011 from the input port of reservoir 201.By stirring
The radian that driving lever rotates, it is convenient to determine the quantity sucking fluid.
Implementation of the present invention additionally provides a kind of method manufacturing above-mentioned various fluid infusion apparatus.Fig. 9
It it is the method for the fluid infusion apparatus for patient is administered of the manufacture according to embodiment of the present invention
Schematic flow sheet, the method comprises the steps that step S101, it is provided that reservoir, and this liquid storage apparatus has for storing
The arc chambers of infusion fluid；Step S102, it is provided that arc injects bar, wherein, this arc is injected bar and is joined
It is set to the arc direction of arcuately chamber at arc-shaped cavity indoor moving；Step S103, it is provided that injection button,
Wherein, this injection button can be operated (such as, being pressed)；Step S104, it is provided that push away with arc
The quantitative displacement mechanism that note bar is operatively connected, wherein, this quantitative displacement mechanism is configured at injection button
Arc can be promoted when being operated to inject bar at arc-shaped cavity indoor moving preset distance, thus by reservoir
The fluid output of predetermined quantity.Wherein, reservoir, arc inject bar, injection button and quantitative displacement machine
Structure can be that the reservoir described in above-mentioned embodiment, arc inject bar, injection button and quantitative displacement
The various different forms of implementation of mechanism.
Although it should be pointed out that, each side of said apparatus, equipment and method etc. is in a specific sequence
Arrange with specific structure and be described, but this is only used for illustrating, and the present invention does not constitute restriction,
Claimed theme is not limited to described order and structure is arranged.Those skilled in the art should manage
Solve, without departing from essence of the present invention when, can to invention, various modification can be adapted, and can enter
Row equivalent.Therefore, the theme that the present invention is claimed is not limited to disclosed above being embodied as
Mode, may also include all technical schemes falling into claims and the technology being equal to therewith
Scheme.Additionally, in the claims, except as otherwise noted, all of term should by broadest reasonably
The meaning understands.
Claims (19)
1. one kind is used for the fluid infusion apparatus being administered patient, it is characterised in that including:
Reservoir, has the arc chambers for storing infusion fluid；
Arc injects bar, is configured to the arc direction along described arc chambers in described arc chambers
Mobile；
Injection button；
Quantitative displacement mechanism, injects bar with described arc and is operatively connected, and is configured at described injection button
Described arc can be promoted when being operated to inject bar at described arc-shaped cavity indoor moving preset distance, thus will
The fluid output of predetermined quantity in described reservoir.
Device the most according to claim 1, it is characterised in that described quantitative displacement mechanism includes:
Driving lever, injects bar operability and engages and can drive described arc to inject the Tong Bu fortune of bar with described arc
Dynamic, there is multiple first tooth；
Tooth bar, contacts with described injection button operability, has curved body and is arranged at described arc master
The second tooth on body and the 3rd tooth, described second tooth and the 3rd tooth are configured to coordinate with the plurality of first tooth
To be operated, at described injection button, the number of teeth that driving lever described in limit moves；
Energy storage component, is operatively connected with described driving lever, stores mechanical energy and is configured to described driving lever
Apply driving force so that described driving lever moves the predetermined number of teeth.
Device the most according to claim 2, it is characterised in that the second tooth of described tooth bar is arranged at
The side of described curved body, is configured to when described injection button is pressed allow described driving lever described
Cross over described second tooth under the driving force of energy storage component and move the predetermined number of teeth；
3rd tooth of described tooth bar is arranged at the opposite side of described curved body, be configured to described injection by
By described driving lever location to limit the number of teeth that described driving lever moves when button is released.
Device the most according to claim 3, it is characterised in that described device also includes base and shell
Body, wherein, described reservoir, described quantitative displacement mechanism are installed on described base and limit with described housing
Space in.
Device the most according to claim 4, it is characterised in that described driving lever have curved body and
From described curved body to the outside stem portion extended of described housing, wherein,
The lateral surface of the curved body of described driving lever is evenly distributed with the plurality of first tooth, described first tooth
A lateral tooth flank be the flank of tooth mated with described second tooth, the opposite side flank of tooth is to mate with described 3rd tooth
The flank of tooth,
The stem portion of described driving lever is configured to be operated to described curved body and moves along arc direction.
Device the most according to claim 5, it is characterised in that the one of the curved body of described driving lever
Side has the joint hole assembling the installation portion that described arc injects bar.
Device the most according to claim 6, it is characterised in that the stem portion of described driving lever is from institute
The opening stating housing extends to the outside of described housing, and can be struck in described opening.
Device the most according to claim 7, it is characterised in that the stem portion of described driving lever is stirred
Stroke equal with the length of described arc chambers.
Device the most according to claim 8, it is characterised in that described energy storage component includes flexible bullet
Spring.
Device the most according to claim 9, it is characterised in that described coil tension spring is positioned over described
In the arc groove of base, one end of described coil tension spring is installed on the end face of described arc groove, another
End is installed on the curved body of described driving lever the contrary side injecting bar with described arc.
11. devices according to claim 4, it is characterised in that described driving lever have circular body and
From the circumference of described circular body to the outside stem portion extended of described housing, wherein,
The first area of the circular body of described driving lever is evenly distributed with that multiple and described second tooth mates
One tooth, second area is evenly distributed with the first tooth that multiple and described 3rd tooth mates,
The stem portion of described driving lever is configured to be operated to described circular body and circumferentially moves.
12. devices according to claim 11, it is characterised in that described first area and described
Two regions are symmetrical about the diameter shaft of described circular body and have the first tooth of equal densities and quantity.
13. devices according to claim 12, it is characterised in that the stem portion tool of described driving lever
There are staircase structural model, described arc to inject bar and there is the arc body of rod and the radial direction along the described arc body of rod
The installation portion extended, described installation portion has the recess extended along described radial direction,
Wherein, the high portion of the staircase structural model of described stem portion embed described arc inject the recess of bar with
With described arc, described driving lever is injected bar engage.
14. devices according to claim 13, it is characterised in that the stem portion of described driving lever from
The opening of described housing and described base joint extends to the outside of described housing, and at described base
On there is the slide rail moved for described stem portion.
15. devices according to claim 14, it is characterised in that described energy storage component includes torsion spring.
16. devices according to claim 15, it is characterised in that described torsion spring is positioned over the described end
In the circular groove of seat, one end of described torsion spring is installed on described base, and the other end is installed on described driving lever
Circular body.
17. according to the device described in any one in claim 4 to 16, it is characterised in that described tooth
Bar has the keyway engaged with the cylindrical parts on described base, and can be in the length of described keyway
In the range of rotate.
18. according to the device described in any one in claim 4 to 16, it is characterised in that described shell
The lift area stirred at described driving lever on body is provided with the scale corresponding with described predetermined quantity.
19. 1 kinds of methods manufactured for the fluid infusion apparatus that patient is administered, it is characterised in that
Including:
The reservoir with the arc chambers for storing infusion fluid is provided；
Thering is provided arc to inject bar, wherein, described arc is injected bar and is configured to the camber line along described arc chambers
Direction is at described arc-shaped cavity indoor moving；
Injection button is provided；
There is provided and inject the quantitative displacement mechanism that bar is operatively connected, wherein, described quantitative position with described arc
Moving mechanism is configured to when described injection button is operated to promote described arc to inject bar at described arc
Chamber indoor moving preset distance, thus by the fluid output of predetermined quantity in described reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510271512.6A CN106267447A (en) | 2015-05-25 | 2015-05-25 | A kind of fluid infusion apparatus and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510271512.6A CN106267447A (en) | 2015-05-25 | 2015-05-25 | A kind of fluid infusion apparatus and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106267447A true CN106267447A (en) | 2017-01-04 |
Family
ID=57634508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510271512.6A Pending CN106267447A (en) | 2015-05-25 | 2015-05-25 | A kind of fluid infusion apparatus and manufacture method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525038A (en) * | 2018-04-24 | 2018-09-14 | 苏州心擎医疗技术有限公司 | The quick locking and fixed mechanism of blood pump |
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| CN101631578A (en) * | 2006-08-23 | 2010-01-20 | 美敦力迷你迈德公司 | Infusion medium delivery device and method with compressible or curved reservoir or conduit |
| CN103442749A (en) * | 2010-12-21 | 2013-12-11 | 美敦力迷你迈德公司 | Portable drug delivery device having reusable unit with elements facilitating insertion, retention and detection of disposable reservoir unit |
| CN204864339U (en) * | 2015-05-25 | 2015-12-16 | 美敦力公司 | Fluid infusion device |
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2015
- 2015-05-25 CN CN201510271512.6A patent/CN106267447A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101631578A (en) * | 2006-08-23 | 2010-01-20 | 美敦力迷你迈德公司 | Infusion medium delivery device and method with compressible or curved reservoir or conduit |
| CN103442749A (en) * | 2010-12-21 | 2013-12-11 | 美敦力迷你迈德公司 | Portable drug delivery device having reusable unit with elements facilitating insertion, retention and detection of disposable reservoir unit |
| CN204864339U (en) * | 2015-05-25 | 2015-12-16 | 美敦力公司 | Fluid infusion device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525038A (en) * | 2018-04-24 | 2018-09-14 | 苏州心擎医疗技术有限公司 | The quick locking and fixed mechanism of blood pump |
| CN115814259A (en) * | 2018-04-24 | 2023-03-21 | 苏州心擎医疗技术有限公司 | Rapid fixing and unlocking mechanism of blood pump |
| CN108525038B (en) * | 2018-04-24 | 2023-04-28 | 苏州心擎医疗技术有限公司 | Quick locking and fixing mechanism of blood pump |
| CN115814259B (en) * | 2018-04-24 | 2023-12-08 | 心擎医疗（苏州）股份有限公司 | Quick fixing and unlocking mechanism of blood pump |
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Application publication date: 20170104 |