CN108635666A - A kind of calparine cap - Google Patents
A kind of calparine cap Download PDFInfo
- Publication number
- CN108635666A CN108635666A CN201810784822.1A CN201810784822A CN108635666A CN 108635666 A CN108635666 A CN 108635666A CN 201810784822 A CN201810784822 A CN 201810784822A CN 108635666 A CN108635666 A CN 108635666A
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- China
- Prior art keywords
- moving member
- negative pressure
- actuator
- connection pedestal
- inner volume
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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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/20—Closure caps or plugs for connectors or open ends of tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention discloses a kind of calparine cap, including connection pedestal and moving member；Described connection pedestal one end is connect with indwelling pipe-line system, and the other end is tightly connected with the moving member, and inner volume is formed between the moving member and connection pedestal；By driving the moving member to be moved away from the direction of the connection pedestal, to form negative pressure in the inner volume, carries out drawing back blood examination by the negative pressure of formation and look into.The calparine cap of the present invention, increases and draws back blood audit function, be used cooperatively with remaining needle, with the complete service life of remaining needle, facilitates medical staff to operate, reduce the usage amount of the medical disposable materials such as pre-filled catheter flusher, Economy type medicine is paid, while reducing remaining needle external-connected port pollution risk.
Description
Technical field
The present invention relates to medical instruments fields, more specifically to a kind of calparine cap.
Background technology
In medical instrument application field, calparine cap is always the common accessory of infusion apparatus, is often applied in combination with remaining needle,
Using the port as the operations such as injection liquid after puncture and washing pipe.
The combined apparatus of " remaining needle+calparine cap " need in use by draw back blood in the way of check it is matching
Indwelling needle catheter it is whether unobstructed, due to having a single function for calparine cap, which is generally connected using the syringe equipped with brine
Remaining needle is looked by manual pumpback with carrying out drawing back blood examination, after inspection, is rushed, tube sealing operates and removes syringe,
Or after washing pipe remove syringe after carry out transfusion operation, but it is this draw back blood examination look into need use disposable syringe or preliminary filling
The medical disposable materials such as formula catheter flusher, it is costly, and need be attached, pumpback, inject, removing four actions, it grasps
Make it is cumbersome, then during connection and removal remaining needle pipeline inevitably will appear port short time exposure, this can not
What is avoided brings the pollution of port position.
Invention content
In view of this, the purpose of the present invention is to provide a kind of calparine cap, on the basis of calparine cap original function, increase
Blood audit function is drawn back, is used cooperatively with remaining needle, with the complete service life of remaining needle, facilitates medical staff to operate, subtracts
The usage amount of the medical disposable materials such as few pre-filled catheter flusher, Economy type medicine expenditure, while it is dirty to reduce remaining needle external-connected port
Contaminate risk.
In order to achieve the above object, the present invention provides the following technical solutions：
A kind of calparine cap, including connection pedestal and moving member；
Described connection pedestal one end is connect with indwelling pipe-line system, and the other end is tightly connected with the moving member, the shifting
Inner volume is formed between moving part and connection pedestal；
By driving the moving member to be moved away from the direction of the connection pedestal, with the shape in the inner volume
At negative pressure, carries out drawing back blood examination by the negative pressure of formation and look into.
Preferably, further include actuator；
Actuator is arranged on the outside of the moving member；
By pressing actuator the moving member is moved away from the direction of the connection pedestal, with described interior
Negative pressure is formed in portion's vessel, is carried out drawing back blood examination by the negative pressure of formation and be looked into.
Preferably, pressing actuator makes the moving member away from the process of the direction movement of the connection pedestal
In, the volume of inner volume increases, and then negative pressure is formed in inner volume.
Preferably, the connection pedestal includes interface end and support end, and the interface end connects with the indwelling pipe-line system
It connects, the support end is tightly connected with the moving member.
Preferably, the support end is slidably connected with the moving member, and the support end is provided with stop bit sliding slot, the shifting
Be provided on moving part with the matched clamping feather key of the stop bit sliding slot, by driving the clamping feather key of the moving member to be slided in stop bit
On slot sliding so that the moving member away from it is described connection pedestal direction move, negative pressure is formed in inner volume,
It carries out drawing back blood examination by the negative pressure of formation and look into.
Preferably, the moving member is elastic component, and the support end is tightly connected with the moving member, the moving member court
During the direction movement far from the connection pedestal, elastic deformation occurs for the moving member, and the volume of inner volume increases
Greatly, and then in inner volume negative pressure is formed.
Preferably, actuator is spring caps；
Actuator is set in the moving member periphery；
The junction of the moving member and the connection pedestal is provided with activity space, corresponds to the activity space pressing
Actuator, actuator deforms upon and the moving member is moved away from the direction of the connection pedestal, with described
Negative pressure is formed in inner volume, is carried out drawing back blood examination by the negative pressure of formation and be looked into.
Preferably, it is additionally provided with guide part on the outside of actuator, corresponds to the activity space and presses the guide part, driving
Part deforms upon and the moving member is moved away from the direction of the connection pedestal, with the shape in the inner volume
At negative pressure, carries out drawing back blood examination by the negative pressure of formation and look into.
Preferably, actuator is expansion ring, and actuator includes fixing end and mobile terminal, the fixing end and the linker
Seat offsets, and the mobile terminal is connect with the moving member；
Actuator is provided with protrusion, and pressing the protrusion makes the mobile terminal move, and drives the moving member towards remote
Direction movement from the connection pedestal, to form negative pressure in the inner volume, carries out drawing back blood by the negative pressure of formation
It checks.
Preferably, the moving member includes open end and head end, and the open end is tightly connected with the connection pedestal；
The open end outer sheath is equipped with dead ring, and the dead ring includes contradicting end and the first guide end, the conflict
End offsets with the connection pedestal；
It is provided with guide ring on the outside of the head end, the guide ring includes open end and the second guide end, the open end
It is connect with the head end；
It is provided with gap between first guide end and the second guide end；
Actuator is arranged in the gap location, and actuator is led by the gap and first guide end and described second
To end in contact；
Pressing actuator makes the guide ring be moved away from the direction of the connection pedestal, and drives the movement
Part is moved away from the direction of the connection pedestal, to form negative pressure in the inner volume, by the negative pressure of formation into
Row is drawn back blood examination and is looked into.
According to above-mentioned technical solution, it is recognised that in the present invention, a kind of calparine cap, including connection pedestal and movement
Part；Connection pedestal one end is connect with indwelling pipe-line system, and the other end is tightly connected with moving member, between moving member and connection pedestal
Form inner volume；By driving moving member to be moved away from the direction of connection pedestal, to form negative pressure in inner volume,
It carries out drawing back blood examination by the negative pressure of formation and look into.There are inner volume, inner volume and indwelling tube between moving member and connection pedestal
Road system is connected to by connecting pedestal, when driving direction of the moving member away from connection pedestal to move, is enabled to
Inner volume volume between moving member and connection pedestal increases, with certain leakproofness, then at this time
Certain negative pressure will be formed in portion's vessel, you can completion is drawn back blood examination and looked into, it is thus only necessary to which calparine cap itself, which can be completed, draws back blood
It checks, do not need to the external sources instrument such as external syringe, indwelling pipe-line system is in closed state, will not therefore bring always
Pollution, patient are safer using remaining needle.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the first calparine cap of the embodiment of the present invention；
Fig. 2 is the sectional view of the first calparine cap of the embodiment of the present invention；
Fig. 3 is the sectional view of second of calparine cap of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the third calparine cap of the embodiment of the present invention；
Fig. 5 is a kind of sectional view of the third calparine cap of the embodiment of the present invention；
Fig. 6 is another sectional view of the third calparine cap of the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the 4th kind of calparine cap of the embodiment of the present invention；
Fig. 8 is the sectional view of the 4th kind of calparine cap of the embodiment of the present invention；
Fig. 9 is the structural schematic diagram of the 5th kind of calparine cap of the embodiment of the present invention；
Figure 10 is the sectional view of the 5th kind of calparine cap of the embodiment of the present invention；
Figure 11 is a kind of structural schematic diagram that pedestal is connected in the embodiment of the present invention；
Figure 12 is the stereoscopic schematic diagram of cambridge ring in the embodiment of the present invention；
Figure 13 is the front view of cambridge ring in the embodiment of the present invention；
Wherein, it is marked in attached drawing as follows：
1- connection pedestals, 101- interface ends, 102- support ends, 2- moving members, the open ends 201-, 202- head ends, inside 3-
Vessel, 4- stop bit sliding slots, 5- clamping feather keys, 6- spring caps, 7- activity spaces, 8- guide parts, 9- fixing ends, the mobile terminals 10-,
11- protrusions, 12- dead rings, 121- contradict end, the first guide ends of 122-, 13- guide rings, the open ends 131-, the guiding of 132- second
End, the gaps 14-, 15- cambridge rings, 151- elastic force rings, 152- wedge blocks.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1 the structural schematic diagram for the first calparine cap that -13, Fig. 1 is the embodiment of the present invention；Fig. 2 is the present invention
The sectional view of the first calparine cap of embodiment；Fig. 3 is the sectional view of second of calparine cap of the embodiment of the present invention；Fig. 4 is this
The structural schematic diagram of the third calparine cap of inventive embodiments；Fig. 5 is that one kind of the third calparine cap of the embodiment of the present invention is cutd open
View；Fig. 6 is another sectional view of the third calparine cap of the embodiment of the present invention；Fig. 7 is the 4th kind of liver of the embodiment of the present invention
The structural schematic diagram of plain cap；Fig. 8 is the sectional view of the 4th kind of calparine cap of the embodiment of the present invention；Fig. 9 is the embodiment of the present invention
The structural schematic diagram of 5th kind of calparine cap；Figure 10 is the sectional view of the 5th kind of calparine cap of the embodiment of the present invention；Figure 11 is this hair
A kind of structural schematic diagram of pedestal is connected in bright embodiment；Figure 12 is the stereoscopic schematic diagram of cambridge ring in the embodiment of the present invention；Figure
13 be the front view of cambridge ring in the embodiment of the present invention.
As shown in figures 1-13, a kind of calparine cap, including connection pedestal 1 and moving member 2；Connect 1 one end of pedestal and indwelling tube
Road system connection, the other end are tightly connected with moving member 2, and inner volume 3 is formed between moving member 2 and connection pedestal 1；Pass through drive
Dynamic moving member 2 is moved away from the direction of connection pedestal 1, to form negative pressure in inner volume 3, by the negative pressure of formation into
Row is drawn back blood examination and is looked into.There are inner volume 3, inner volume 3 to pass through company with indwelling pipe-line system between moving member 2 and connection pedestal 1
Pedestal 1 is connect to be connected to, when drive moving member 2 away from connection pedestal 1 direction move when, enable to moving member 2 with
3 volume of inner volume connected between pedestal 1 increases, with certain leakproofness, then inner volume 3 at this time
It is interior to form certain negative pressure, you can completion is drawn back blood examination and looked into, it is thus only necessary to calparine cap itself, which can be completed, to be drawn back blood examination and looks into, and
The external sources instrument such as external syringe is not needed, indwelling pipe-line system is in closed state, will not therefore bring pollution always, suffers from
Person is safer using remaining needle.What needs to be explained here is that indwelling pipe-line system can be remaining needle, for remaining needle and can stay
Set the sub-assembly of conduit.As shown in figure 11, connection pedestal 1 includes interface end 101 and support end 102, interface end 101 and indwelling tube
Road system connection, support end 102 are tightly connected with moving member 2, are interconnected between interface end 101 and support end 102, to make
It obtains and is also interconnected between indwelling pipe-line system and moving member 2.It is necessary to be noted that in this embodiment towards remote
The movement in the direction from connection pedestal 1 can be that relative displacement occurs between moving member 2 and the junction for connecting pedestal 1, also may be used
To be that relative displacement does not occur between moving member 2 and the junction for connecting pedestal 1, only moving member 2 is elongated and produces in itself
Raw relative movement, both move modes can make the volume of inner volume 3 increase, and form certain negative pressure.
In one particular embodiment of the present invention, as shown in figures 1-13, further include actuator；Actuator is arranged in movement
2 outside of part；By pressing actuator moving member 2 is moved away from the direction of connection pedestal 1, in inner volume 3
Negative pressure is formed, carries out drawing back blood examination by the negative pressure of formation and look into, pressing actuator makes moving member 2 away from connection pedestal 1
Direction movement during, the volume of inner volume 3 increases, and then negative pressure is formed in inner volume 3.Actuator can cover
If being wrapped in 2 outside of moving member to be sealed with moving member 2, to facilitate pressing, actuator that can also only cover moving member 2
Side, as long as can during pressing actuator to moving member 2 generate one drive moving member 2 away from linker
The power of the direction movement of seat 1 enables to move when driving direction of the moving member 2 away from connection pedestal 1 to move
3 volume of inner volume between part 2 and connection pedestal 1 increases, and to generate negative pressure in inner volume 3, blood examination is drawn back in completion
It looks into.It is necessary to be noted that the movement in the direction away from connection pedestal 1 in this embodiment can be moving member
2 and connect pedestal 1 junction between relative displacement occurs, can also be moving member 2 and connect pedestal 1 junction between not
Relative displacement occurs, only moving member 2 is elongated in itself and the relative movement that generates, both move modes can make
The volume of inner volume 3 increases, and forms certain negative pressure.
In one particular embodiment of the present invention, as shown in figure 3, support end 102 is slidably connected with moving member 2, support
End 102 is provided with stop bit sliding slot 4, be provided on moving member 2 with 4 matched clamping feather key 5 of stop bit sliding slot, pass through driving moving member
2 clamping feather key 5 slides on stop bit sliding slot 4 so that moving member 2 is moved away from the direction of connection pedestal 1, in inside
Negative pressure is formed in vessel 3, is carried out drawing back blood examination by the negative pressure of formation and be looked into.The connection of support end 102 and moving member 2 can be card
It connects, or socket, as long as identical technique effect can be reached, wherein the form of socket can be support end 102
It is inscribed with moving member 2, or support end 102 and moving member 2 are external, when support end 102 is inscribed with moving member 2, support
End 102 inside can be provided with stop bit sliding slot 4, can be provided on moving member 2 with 4 matched clamping feather key 5 of stop bit sliding slot, with
By driving moving member 2 to be clamped completion by being clamped sliding of the feather key 5 on stop bit sliding slot 4 either manually or by pressing actuator
Away from the movement in the direction of connection pedestal 1, relative displacement occurs between moving member 2 and the junction of support end 102 at this time,
In the case where the connection of moving member 2 and support end 102 seals, the increase of 3 volume of inner volume can be made to form negative pressure, from
And completion is drawn back blood examination and is looked into, and when moving member 2 needs to restore, pushes directly on moving member 2 to initial position, works as support end
102 with moving member 2 it is external when, also in this way, which is not described herein again.
In one particular embodiment of the present invention, moving member 2 is elastic component, and support end 102 connects with the sealing of moving member 2
It connects, during moving member 2 has certain pre-stretching, moving member 2 to be moved away from the direction of connection pedestal 1, moving member 2 is sent out
The volume of raw elastic deformation, inner volume 3 increases, and then negative pressure is formed in inner volume 3.Wherein, moving member 2 and support end
102 junction is to be tightly connected, and since moving member 2 is elastic component, to move by manual or pressing actuator
When moving part 2 is moved away from the direction of connection pedestal 1, moving member 2 and the junction of support end 102 do not relatively move,
And elastic deformation will occur for moving member 2, i.e., be elongated away from the direction of connection pedestal 1 so that moving member 2 is far from linker
The distal end of seat 1 is relatively moved with pedestal 1 is connect, at this point, the volume of inner volume 3 will increase, to form negative pressure, into one
Step completion is drawn back blood examination and is looked into, and when moving member 2 needs to restore, only need to unclamp actuator or the state that can restore to the original state of letting go, close
The mode of envelope connection can be that support end 102 and moving member 2 are inscribed, or support end 102 and moving member 2 are external, here
It is not repeating.
In one particular embodiment of the present invention, as Figure 4-Figure 6, actuator is spring caps 6；Actuator is set in shifting
2 periphery of moving part；Moving member 2 is provided with activity space 7 with the junction for connecting pedestal 1, corresponds to the pressing driving of activity space 7
Part, actuator deforms upon and moving member 2 is moved away from the direction of connection pedestal 1, to be formed in inner volume 3
Negative pressure is carried out drawing back blood examination and be looked by the negative pressure of formation.Spring caps 6 are set in 2 periphery of moving member, good to be formed with moving member 2
Good sealing, corresponds to 7 Manual press actuator of activity space so that actuator will towards movement in activity space 7, actuator
It deforms upon, while finger also will produce one by actuator and moving member 2 is pushed to be moved away from the direction of connection pedestal 1
Power, be combined with the deformation of actuator, moving member 2 will be moved away from the direction of connection pedestal 1, need exist for illustrating
, the movement in the direction away from connection pedestal 1 in this embodiment can be moving member 2 and the connection that connect pedestal 1
Between relative displacement occurs, can also be moving member 2 and connect pedestal 1 junction between relative displacement does not occur, only
It is the relative movement that moving member 2 itself is elongated as an elastic component, both move modes can make internal appearance
The volume of chamber 3 increases, and forms certain negative pressure, has done detailed description in the aforementioned embodiment, which is not described herein again, together
When, the size of activity space 7 is not specifically limited, and can be the width of a finger, can also be the width of two fingers, if
It can be a gap 14 to set, and the form of activity space 7 is not specifically limited, and can be circumferentially cavity, can be groove type
Cavity, it might even be possible to be flexible material, for example correspond to the actuator structure in flexible material region by pressing, at this time soft material
Material, which will deform upon, generates a space for pressing actuator structure motion, can also reach identical technique effect, soft
Material can be sponge, can be rubber etc., as moving member 2 with to connect pedestal 1 inscribed or external when being socketed,
It can be adjusted correspondingly according to actual demand, the prior art being well known to those skilled in the art, as long as can reach
Identical technique effect, which is not described herein again, when moving member 2 needs to restore, only need to unclamp actuator or let go, this
When restore connector can be restored to initial position by the elasticity of actuator and moving member 2.
In one particular embodiment of the present invention, shown in Fig. 7 and 8, it is additionally provided with guide part 8 on the outside of actuator, it is corresponding
It activity space 7 and presses guide part 8, actuator deforms upon and moving member 2 is moved away from the direction of connection pedestal 1
It is dynamic, to form negative pressure in inner volume 3, carries out drawing back blood examination by the negative pressure of formation and look into.Guide part 8 is preferably guide ring
13, it is set in the outside of actuator, corresponding to activity space 7 in the top of activity space 7 manually squeezes guide ring 13
Or pressing, the movement of guide ring 13 necessarily drive actuator towards movement in activity space 7, shape can naturally also occur for actuator
Become, finger acts on actuator by guide ring 13 and also will produce the power that a driving moving member 2 moves, and is combined with actuator
Deformation, at this time moving member 2 will be elongated or be subjected to displacement movement with connecting between the junction of pedestal 1, inner volume 3
The corresponding volume of meeting increases, and to form negative pressure, reaches identical technique effect, when moving member 2 needs to restore, releases pressing
Then active force is restored by the elasticity of the spring return of moving member 2 and actuator, moving member 2 returns to initial position.
In one particular embodiment of the present invention, shown in Fig. 9 and 10, actuator is expansion ring, and actuator includes fixing
End 9 and mobile terminal 10, fixing end 9 offset with pedestal 1 is connect, and mobile terminal 10 is connect with moving member 2, and moving member 2 has certain pre-
It stretches；Actuator is provided with protrusion 11, and pressing protrusion 11 makes mobile terminal 10 move, and drives moving member 2 away from linker
The direction movement of seat 1 is carried out drawing back blood examination and be looked into form negative pressure in the inner volume 3 by the negative pressure of formation, mobile terminal 10 with
The connection type of moving member 2 can be clamping, can also be bonding, can also be socket, can also be to connect, as long as energy
Enough mobile terminals 10 when actuator carries out flexible can drive the movement of moving member 2 and keep certain sealing, convex
The setting for playing 11 can be, such as lantern ring circumferentially disposed along expansion ring, can also be local setting protrusion 11, for protrusion
11 number less limits, as long as enabling to expansion ring by can have certain extendable room i.e. after certain pressing
It can.The movement in the direction away from connection pedestal 1 in this embodiment can be moving member 2 and the junction that connect pedestal 1
Between relative displacement occurs, can also be moving member 2 and connect pedestal 1 junction between relative displacement does not occur, only
The relative movement that moving member 2 itself is elongated as an elastic component, both move modes can make inner volume 3
Volume increase, and form certain negative pressure, done detailed description in the aforementioned embodiment, which is not described herein again, works as movement
When part 2 needs to restore, pressing active force is released, expansion ring drives moving member 2 to initial position, or movement by spring return
The spring return of part 2 pushes moving member 2 to return to initial position.
In one particular embodiment of the present invention, as illustrated in fig. 1 and 2, moving member 2 includes open end 201 and head end
202, open end 201 is tightly connected with pedestal 1 is connect；201 outer sheath of open end is equipped with dead ring 12, and dead ring 12 includes contradicting
End 121 and the first guide end 122 contradict end 121 and offset with pedestal 1 is connect；202 outside of head end is provided with guide ring 13, is oriented to
Ring 13 includes that open end 131 and the second guide end 132, open end 131 are connect with head end 202；First guide end 122 and second is led
It is provided with gap 14 between end 132；Actuator is arranged at gap 14, and actuator passes through gap 14 and the first guide end 122
It is contacted with the second guide end 132；Pressing actuator makes guide ring 13 be moved away from the direction of connection pedestal 1, and drives
Moving member 2 is moved away from the direction of connection pedestal 1, to form negative pressure in inner volume 3, is carried out by the negative pressure of formation
Blood examination is drawn back to look into.First guide end 122 and 132 inside of the second guide end coordinate with guide ring 13 so that guide ring 13 can only edge
Circumferential to move back and forth, the connection type of open end 131 and head end 202 can be clamping, can also be bonding, can also be set
Connect, can also be connect, as long as can guide ring 13 carry out away from connection pedestal 1 direction move when energy
It enough drives the movement of moving member 2 and keeps certain sealing, after pressing actuator, actuator will be towards shifting at gap 14
It is dynamic, or even deformation, it is pressed further by guide ring 13 and is moved to the direction far from dead ring 12 namely the direction far from connection pedestal 1
It moves, the guide ring 13 in this embodiment can be moving member 2 and guide ring 13 away from the movement in the direction of connection pedestal 1
Relative displacement occurs between junction, can also be that relative displacement does not occur between moving member 2 and the junction of guide ring 13, only
Only it is the relative movement that guide ring 13 itself is elongated as an elastic component, both move modes can to move
Corresponding movement or deformation occur for part 2, so that 3 volume of inner volume increases and formed certain negative pressure, same road
Reason, moving member 2 can be sent out between moving member 2 and the junction for connecting pedestal 1 away from the movement in the direction of connection pedestal 1
Raw relative displacement can also be that relative displacement does not occur between moving member 2 and the junction for connecting pedestal 1, only moving member 2
The relative movement itself being elongated as an elastic component, both move modes can make the volume of inner volume 3
Increase, and form certain negative pressure, principal portion herein had done detailed description in the aforementioned embodiment, no longer superfluous here
It states, when moving member 2 needs to restore, need to only unclamp actuator, release pressing active force, then pass through moving member 2, guide ring 13
Spring return or push moving member 2 and guide ring 13 to return to initial position.
In one particular embodiment of the present invention, as shown in Fig. 1,2,12 and 13, actuator is cambridge ring 15, cambridge ring
15 include elastic force ring 151 and wedge block 152, and wedge block 152 is circumferentially distributed, and each other there are certain gap, elastic force ring 151 is gone here and there
The whole wedge blocks 152 of connection inlay loop configuration, wedge shape to form an embedded cyclic structure that can be deformed or compartment
Block 152 can be that be uniformly distributed can also be non-uniform Distribution, drive wedge block 152 to connector by pressing elastic force ring 151
It can generate and directly or indirectly squeeze, for example wedge block 152 can be connected to the first guide end 122 and second guiding
In the gap 14 being arranged between end 132, chamfering is arranged in the first guide end 122 and 132 outer of the second guide end, is connect with cambridge ring 15
It touches, wedge block 152 is either deformed upon or press with 13 indirectly-acting of guide ring and the movement of connector position directly to act on
To activity space 7 so that elastic force ring 151 deforms upon, and indirectly-acting is deformed upon with connector, the drive as cambridge ring 15
Moving part can give certain utilization in each embodiment of above-mentioned statement, and in order to advanced optimize, cambridge ring 15 is provided with
Two lozenges, angular range is between 30 ° to 170 ° between two lozenges, it is preferred that the angle of two lozenges is
90 °, 15 inner circumferential of cambridge ring is distributed gap, and to reduce deformation drag, gap quantity is no less than 4, and gap distribution can be with
It is that be uniformly distributed can also be non-uniform Distribution, it is preferred that gap obtains quantity and is designed as circumferential equally distributed 12.Cambridge ring
15 outers could be provided as regular polygon, can increase the contact area with finger, and it is coarse to facilitate pressing, 15 outer of cambridge ring
Surface can be zigzag lines or other lines.
In conclusion the calparine cap of the present invention increases on the basis of not influencing its original function and draws back blood examination and look into work(
Can, with remaining needle entire service life, can Reusability can make repeatedly in 72 hours service life of remaining needle
With, save the correlative charges of remaining needle nursing, in embodiment to the design of cambridge ring 15 so that the implementation of calparine cap carried out it is excellent
Change, one hand squeezes cambridge ring 15 and audit function can be realized, easy to operate, automatic after releasing stress to restore, in indwelling needle catheter
There is no blood residuals, draws back during blood examination looks into, indwelling pipe-line system is in closed state always, will not therefore bring pollution,
Patient is safer using remaining needle.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of calparine cap, which is characterized in that including connection pedestal and moving member；
Described connection pedestal one end is connect with indwelling pipe-line system, and the other end is tightly connected with the moving member, the moving member
Inner volume is formed with connecting between pedestal；
It is negative to be formed in the inner volume by driving the moving member to be moved away from the direction of the connection pedestal
Pressure is carried out drawing back blood examination and be looked by the negative pressure of formation.
2. calparine cap as described in claim 1, which is characterized in that further include actuator；
Actuator is arranged on the outside of the moving member；
By pressing actuator the moving member is moved away from the direction of the connection pedestal, in the internal appearance
Intracavitary forms negative pressure, carries out drawing back blood examination by the negative pressure of formation and look into.
3. calparine cap as claimed in claim 2, which is characterized in that pressing actuator makes the moving member away from described
During the direction movement for connecting pedestal, the volume of inner volume increases, and then negative pressure is formed in inner volume.
4. calparine cap as claimed in claim 1 or 2, which is characterized in that the connection pedestal includes interface end and support end, institute
It states interface end to connect with the indwelling pipe-line system, the support end is tightly connected with the moving member.
5. calparine cap as claimed in claim 4, which is characterized in that the support end is slidably connected with the moving member, described
Support end is provided with stop bit sliding slot, be provided on the moving member with the matched clamping feather key of the stop bit sliding slot, pass through driving
The clamping feather key of the moving member slides on stop bit sliding slot so that the moving member is away from the side for connecting pedestal
To movement, negative pressure is formed in inner volume, is carried out drawing back blood examination by the negative pressure of formation and be looked into.
6. calparine cap as claimed in claim 4, which is characterized in that the moving member be elastic component, the support end with it is described
Moving member is tightly connected, during the moving member is moved away from the direction of the connection pedestal, the moving member hair
The volume of raw elastic deformation, inner volume increases, and then negative pressure is formed in inner volume.
7. calparine cap as claimed in claim 2 or claim 3, which is characterized in that actuator is spring caps；
Actuator is set in the moving member periphery；
The junction of the moving member and the connection pedestal is provided with activity space, corresponds to the activity space pressing driving
Part, actuator deforms upon and the moving member is moved away from the direction of the connection pedestal, in the inside
Negative pressure is formed in vessel, is carried out drawing back blood examination by the negative pressure of formation and be looked into.
8. calparine cap as claimed in claim 7, which is characterized in that be additionally provided with guide part on the outside of actuator, correspond to described
Activity space presses the guide part, and actuator deforms upon and makes the moving member away from the side of the connection pedestal
To movement, to form negative pressure in the inner volume, carries out drawing back blood examination by the negative pressure of formation and look into.
9. calparine cap as claimed in claim 2 or claim 3, which is characterized in that actuator is expansion ring, actuator include fixing end and
Mobile terminal, the fixing end offset with the connection pedestal, and the mobile terminal is connect with the moving member；
Actuator is provided with protrusion, and pressing the protrusion makes the mobile terminal move, and drives the moving member away from institute
The direction movement for stating connection pedestal is carried out drawing back blood examination and be looked into form negative pressure in the inner volume by the negative pressure of formation.
10. calparine cap as claimed in claim 2 or claim 3, which is characterized in that the moving member includes open end and head end, described
Open end is tightly connected with the connection pedestal；
The open end outer sheath is equipped with dead ring, and the dead ring includes contradicting end and the first guide end, the conflicts end and
The connection pedestal offsets；
It is provided with guide ring on the outside of the head end, the guide ring includes open end and the second guide end, the open end and institute
State head end connection；
It is provided with gap between first guide end and the second guide end；
Actuator is arranged in the gap location, and actuator passes through the gap and first guide end and second guide end
Contact；
Pressing actuator makes the guide ring be moved away from the direction of the connection pedestal, and drives the moving member court
The direction movement far from the connection pedestal, to form negative pressure in the inner volume, is taken out by the negative pressure of formation
Blood back inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784822.1A CN108635666A (en) | 2018-07-17 | 2018-07-17 | A kind of calparine cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784822.1A CN108635666A (en) | 2018-07-17 | 2018-07-17 | A kind of calparine cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108635666A true CN108635666A (en) | 2018-10-12 |
Family
ID=63751513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810784822.1A Pending CN108635666A (en) | 2018-07-17 | 2018-07-17 | A kind of calparine cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108635666A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481840A (en) * | 2018-12-21 | 2019-03-19 | 锦州诺德医疗器械科技有限公司 | A kind of calparine cap |
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Effective date of registration: 20200703 Address after: No.14, building 32, Jiefang East Road, Linghe District, Jinzhou City, Liaoning Province Applicant after: Yang Hui Address before: 121299 Jinzhou, Lingling City, Liaoning Province, Daling River Street office, the northern side of the 102 line, Daling River Industrial Park Applicant before: JINZHOU NUODE MEDICAL INSTRUMENT TECHNOLOGY Co.,Ltd. |