CN208959128U - A kind of calparine cap - Google Patents
A kind of calparine cap Download PDFInfo
- Publication number
- CN208959128U CN208959128U CN201821133097.3U CN201821133097U CN208959128U CN 208959128 U CN208959128 U CN 208959128U CN 201821133097 U CN201821133097 U CN 201821133097U CN 208959128 U CN208959128 U CN 208959128U
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- Prior art keywords
- moving member
- negative pressure
- actuator
- connection pedestal
- inner volume
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 101
- 238000004159 blood analysis Methods 0.000 claims abstract description 30
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 24
- 239000008280 blood Substances 0.000 claims abstract description 8
- 210000004369 blood Anatomy 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 22
- 210000003746 feather Anatomy 0.000 claims description 9
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 238000012550 audit Methods 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- 238000007789 sealing Methods 0.000 description 4
- 239000007937 lozenge Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000009828 non-uniform distribution Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model 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 and the moving member are tightly connected, and forms inner volume between the moving member and connection pedestal;By driving the moving member mobile 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 utility model, it increases and draws back blood audit function, it is used cooperatively with remaining needle, with the complete service life of remaining needle, medical staff is facilitated to operate, the usage amount of the medical disposable materials such as pre-filled catheter flusher, Economy type medicine expenditure are reduced, while reducing remaining needle external-connected port pollution risk.
Description
Technical field
The utility model relates to medical instruments fields, more specifically to a kind of calparine cap.
Background technique
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 salt water
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 washing pipe is moved back except carrying out transfusion operation after syringe, but it is this draw back blood examination and look into need using 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 movements, 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.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of calparine cap, on the basis of calparine cap original function,
It increases and draws back blood audit function, be used cooperatively with remaining needle, with the complete service life of remaining needle, medical staff is facilitated to grasp
Make, reduces the usage amount of the medical disposable materials such as pre-filled catheter flusher, Economy type medicine expenditure, while reducing remaining needle external connection end
Mouth pollution risk.
In order to achieve the above object, the utility model 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 and the moving member are tightly connected, the shifting
Inner volume is formed between moving part and connection pedestal;
By driving the moving member mobile 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.
It preferably, further include actuator;
Actuator is arranged on the outside of the moving member;
Make the moving member mobile away from the direction of the connection pedestal by pressing actuator, described interior
Negative pressure is formed in portion's cavity, is carried out drawing back blood examination by the negative pressure of formation and be looked into.
Preferably, the process that pressing actuator makes the moving member mobile away from the direction 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 and the indwelling pipe-line system connect
It connects, the support end and the moving member are tightly connected.
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 sliding in stop bit
Sliding on slot forms negative pressure so that the moving member is mobile away from the direction of the connection pedestal 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 and the moving member are tightly connected, the moving member court
The direction far from the connection pedestal it is mobile during, 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, deformation occurs and makes the moving member mobile away from the direction of the connection pedestal for actuator, 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
Deformation occurs and makes the moving member mobile away from the direction of the connection pedestal for part, 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, to make the mobile terminal mobile, and drives the moving member towards remote
Direction from the connection pedestal is mobile, 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 and the connection pedestal are tightly connected;
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;
Gap is provided between first guide end and the second guide end;
Actuator setting is led by the gap with first guide end and described second in the gap location, actuator
To end in contact;
It is mobile away from the direction of the connection pedestal that pressing actuator makes the guide ring, and drives the movement
Part is mobile 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
Moving member;Connection pedestal one end connect with indwelling pipe-line system, the other end and moving member sealed connection, moving member with connect pedestal
Between form inner volume;It is mobile away from the direction of connection pedestal by driving moving member, to be formed in inner volume
Negative pressure is carried out drawing back blood examination and be looked by the negative pressure of formation.Have an inner volume between moving member and connection pedestal, inner volume with stay
It sets pipe-line system and is connected to by connecting pedestal, it, can when driving moving member mobile away from the direction of connection pedestal
So that the inner volume volume between moving member and connection pedestal increases, with certain leakproofness, then this
When inner volume in by certain negative pressure is formed, can be completed and draw back blood examination and look into, it is thus only necessary to which pumping can be completed in calparine cap itself
Therefore blood back inspection does not need the external sources instrument such as external syringe, and indwelling pipe-line system is in closed state always, will not be
Pollution is brought, patient is safer using remaining needle.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the first calparine cap of the utility model embodiment;
Fig. 2 is the cross-sectional view of the first calparine cap of the utility model embodiment;
Fig. 3 is the cross-sectional view of second of calparine cap of the utility model embodiment;
Fig. 4 is the structural schematic diagram of the third calparine cap of the utility model embodiment;
Fig. 5 is a kind of cross-sectional view of the third calparine cap of the utility model embodiment;
Fig. 6 is another cross-sectional view of the third calparine cap of the utility model embodiment;
Fig. 7 is the structural schematic diagram of the 4th kind of calparine cap of the utility model embodiment;
Fig. 8 is the cross-sectional view of the 4th kind of calparine cap of the utility model embodiment;
Fig. 9 is the structural schematic diagram of the 5th kind of calparine cap of the utility model embodiment;
Figure 10 is the cross-sectional view of the 5th kind of calparine cap of the utility model embodiment;
Figure 11 is a kind of structural schematic diagram that pedestal is connected in the utility model embodiment;
Figure 12 is the stereoscopic schematic diagram of cambridge ring in the utility model embodiment;
Figure 13 is the front view of cambridge ring in the utility model embodiment;
Wherein, it is marked in attached drawing as follows:
1- connection pedestal, 101- interface end, 102- support end, 2- moving member, the open end 201-, 202- head end, inside 3-
Cavity, 4- stop bit sliding slot, 5- clamping feather key, 6- spring caps, 7- activity space, 8- guide part, 9- fixing end, the mobile terminal 10-,
11- protrusion, 12- dead ring, 121- contradict end, the first guide end of 122-, 13- guide ring, the open end 131-, the guiding of 132- second
End, the gap 14-, 15- cambridge ring, 151- elastic force ring, 152- wedge block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-13 is please referred to, Fig. 1 is the structural schematic diagram of the first calparine cap of the utility model embodiment;Fig. 2 is this
The cross-sectional view of the first calparine cap of utility model embodiment;Fig. 3 is cuing open for second of calparine cap of the utility model embodiment
View;Fig. 4 is the structural schematic diagram of the third calparine cap of the utility model embodiment;Fig. 5 is the utility model embodiment
A kind of cross-sectional view of the third calparine cap;Fig. 6 is another cross-sectional view of the third calparine cap of the utility model embodiment;Fig. 7
For the structural schematic diagram of the 4th kind of calparine cap of the utility model embodiment;Fig. 8 is the 4th kind of liver of the utility model embodiment
The cross-sectional view of plain cap;Fig. 9 is the structural schematic diagram of the 5th kind of calparine cap of the utility model embodiment;Figure 10 is the utility model
The cross-sectional view of 5th kind of calparine cap of embodiment;Figure 11 is a kind of structural representation that pedestal is connected in the utility model embodiment
Figure;Figure 12 is the stereoscopic schematic diagram of cambridge ring in the utility model embodiment;Figure 13 is cambridge ring in the utility model embodiment
Front view.
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
The connection of road system, the other end and moving member 2 are tightly connected, and form inner volume 3 between moving member 2 and connection pedestal 1;Pass through drive
Dynamic moving member 2 is mobile 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 is inner volume 3 between moving member 2 and connection pedestal 1, inner volume 3 and indwelling pipe-line system pass through company
Pedestal 1 is connect to be connected to, when driving moving member 2 mobile away from the direction of connection pedestal 1, 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 by certain negative pressure is formed, can be completed and draw back blood examination and look 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 always, will not therefore bring pollution, 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
The connection of road system, support end 102 and moving member 2 are tightly connected, and 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, which can be, occurs relative displacement between moving member 2 and the junction for connecting pedestal 1, can also
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 in itself and produces
Raw relative movement, both move modes can make the volume of inner volume 3 increase, and form certain negative pressure.
It further include actuator as shown in figures 1-13 in a specific embodiment of the utility model;Actuator setting exists
2 outside of moving member;Make moving member 2 mobile away from the direction of connection pedestal 1 by pressing actuator, in inner volume
Negative pressure are formed in 3, are carried out drawing back blood examination by the negative pressure of formation and be looked into, pressing actuator makes moving member 2 away from linker
During the direction of seat 1 is mobile, the volume of inner volume 3 increases, and then forms negative pressure in inner volume 3.Actuator can
2 outside of moving member is wrapped in be sealed with moving member 2 to be arranged, and to facilitate pressing, actuator can also only cover shifting
The side of moving part 2, if can during pressing actuator to moving member 2 generate one drive moving member 2 away from
The mobile power in the direction of pedestal 1 is connected, when driving moving member 2 mobile away from the direction of connection pedestal 1, can be made
3 volume of inner volume for obtaining moving member 2 and connecting between pedestal 1 increases, to generate negative pressure in inner volume 3, completes to take out
Blood back inspection.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, be also possible to moving member 2 with connect the junction of pedestal 1
Between relative displacement does not occur, only moving member 2 be elongated in itself and the relative movement that generates, both move modes
So that the volume of inner volume 3 increases, and form certain negative pressure.
In a specific embodiment of the utility model, 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 the matched clamping feather key 5 of stop bit sliding slot 4, pass through driving move
The clamping feather key 5 of moving part 2 slides on stop bit sliding slot 4 so that moving member 2 is mobile away from the direction of connection pedestal 1,
Negative pressure is formed in inner volume 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 with
For clamping, or socket, as long as identical technical effect can be reached, wherein the form of socket can be support
End 102 is inscribed with moving member 2, or and support end 102 and moving member 2 are external, when support end 102 is inscribed with moving member 2,
Stop bit sliding slot 4 can be set inside support end 102, can be set on moving member 2 and the matched clamping feather key of stop bit sliding slot 4
5, by driving moving member 2 to be clamped by sliding of the clamping feather key 5 on stop bit sliding slot 4 either manually or by pressing actuator
The movement in the direction away from connection pedestal 1 is completed, is occurred between moving member 2 and the junction of support end 102 at this time opposite
Displacement can make 3 volume of inner volume increase negative to be formed in the case where the connection of moving member 2 and support end 102 seals
Pressure, when moving member 2 needs to restore, pushes directly on moving member 2 to initial position, works as branch so that completion is drawn back blood examination and looked into
When supportting end 102 and external moving member 2, also in this way, which is not described herein again.
In a specific embodiment of the utility model, moving member 2 is elastic component, and support end 102 and moving member 2 seal
Connection, moving member 2 has certain pre-stretching, during moving member 2 is away from the direction movement for connecting pedestal 1, moving member 2
Elastic deformation occurs, the volume of inner volume 3 increases, and then forms negative pressure in inner volume 3.Wherein, moving member 2 and support
The junction at end 102 is to be tightly connected, and since moving member 2 is elastic component, passes through manually or pressing actuator is making
When moving member 2 is mobile away from the direction of connection pedestal 1, opposite move does not occur for the junction of moving member 2 and support end 102
It is dynamic, 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 even
The distal end for connecing pedestal 1 is relatively moved with pedestal 1 is connect, at this point, the volume of inner volume 3 will increase, so that negative pressure is formed,
Further completion is drawn back blood examination and is looked into, and when moving member 2 needs to restore, only need to unclamp actuator or let go and can restore to the original state
State, the mode of sealed connection can be support end 102 and moving member 2 is inscribed, or and support end 102 and moving member 2 are external,
Here it is not repeating.
In a specific embodiment of the utility model, as Figure 4-Figure 6, actuator is spring caps 6;Actuator is arranged
In 2 periphery of moving member;Moving member 2 is provided with activity space 7 with the junction for connecting pedestal 1, corresponds to the pressing of activity space 7 and drives
Moving part, deformation occurs and makes moving member 2 mobile away from the direction of connection pedestal 1 for actuator, with the shape in inner volume 3
At negative pressure, carries out drawing back blood examination by the negative pressure of formation and look into.Spring caps 6 are set in 2 periphery of moving member, to be formed with moving member 2
Good sealing corresponds to 7 Manual press actuator of activity space, so that actuator is towards moving in activity space 7, actuator
Will deformation occurs, while finger by actuator can also generate one push moving member 2 away from connection pedestal 1 direction move
Dynamic power is combined with the deformation of actuator, and moving member 2 will be mobile away from the direction of connection pedestal 1, needs exist for especially saying
Bright, the movement in the direction away from connection pedestal 1 in this embodiment can be moving member 2 and the company for connecting pedestal 1
Relative displacement occurs between connecing, is also possible to that relative displacement does not occur between moving member 2 and the junction for connecting pedestal 1, only
It is only the relative movement that moving member 2 itself is elongated as an elastic component, both move modes can make inside
The volume of cavity 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, it is also possible to the width of two fingers, if
It sets and can be a gap 14, the form of activity space 7 is not specifically limited, and be can be circumferentially cavity, be 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 by deformation occurs generate one for press actuator structure motion space, identical technical effect can also be reached, it is 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 needs, the prior art being well known to those skilled in the art, as long as can reach
Identical technical 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 a specific embodiment of the utility model, shown in Fig. 7 and 8, it is additionally provided with guide part 8 on the outside of actuator,
It corresponds to activity space 7 and presses guide part 8, deformation occurs and makes moving member 2 away from the direction of connection pedestal 1 for actuator
It is mobile, 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, activity space 7 is corresponded in the top of activity space 7 and guide ring 13 is squeezed manually
Or pressing, the movement of guide ring 13 necessarily drive actuator towards moving in activity space 7, shape can naturally also occur for actuator
Become, finger, which acts on actuator also by guide ring 13, can generate the mobile power of driving moving member 2, be combined with actuator
Deformation, moving member 2 will be elongated or be subjected to displacement between the junction for connecting pedestal 1 movement, inner volume 3 at this time
The corresponding volume of meeting increases, to form negative pressure, reaches identical technical 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 a specific embodiment of the utility model, 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 centainly
Pre-stretching;Actuator is provided with protrusion 11, and it is mobile that pressing protrusion 11 makes mobile terminal 10, and drives moving member 2 away from even
The direction for connecing pedestal 1 is mobile, to form negative pressure in inner volume 3, carries out drawing back blood examination by the negative pressure of formation and look into, mobile terminal
10 can be clamping with the connection type of moving member 2, are also possible to be bonded, are also possible to be socketed, are also possible to connect,
It wants to be able to drive the movement of moving member 2 when actuator is stretched and keep certain sealing i.e. in mobile terminal 10
Can, the setting of protrusion 11 can be circumferentially to be arranged along expansion ring, such as lantern ring, is also possible to local setting protrusion 11, right
In protrusion 11 number more without limitation, as long as enabling to expansion ring by can have certain flexible sky after certain pressing
Between.The movement in the direction away from connection pedestal 1 in this embodiment can be moving member 2 and the company for connecting pedestal 1
Relative displacement occurs between connecing, is also possible to that relative displacement does not occur between moving member 2 and the junction for connecting pedestal 1, only
It is only the relative movement that moving member 2 itself is elongated as an elastic component, both move modes can make inside
The volume of cavity 3 increases, and forms certain negative pressure, has done detailed description in the aforementioned embodiment, and which is not described herein again, when
When moving member 2 needs to restore, release pressing active force, expansion ring by spring return drive moving member 2 to initial position, or
The spring return of moving member 2 pushes moving member 2 to return to initial position.
In a specific embodiment of the utility model, as illustrated in fig. 1 and 2, moving member 2 includes open end 201 and head
End 202, open end 201 are tightly connected with pedestal 1 is connect;201 outer sheath of open end is equipped with dead ring 12, and dead ring 12 includes supporting
Contravention 121 and the first guide end 122 contradict end 121 and offset with pedestal 1 is connect;It is provided with guide ring 13 on the outside of head end 202, leads
It include that open end 131 and the second guide end 132, open end 131 are connect with head end 202 to ring 13;First guide end 122 and second
Gap 14 is provided between guide end 132;Actuator is arranged at gap 14, and actuator passes through gap 14 and the first guide end
122 and second guide end 132 contact;Pressing actuator makes guide ring 13 mobile away from the direction of connection pedestal 1, and band
Dynamic moving member 2 is mobile 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.First guide end 122 and 132 inside of the second guide end cooperate with guide ring 13, so that guide ring 13 can only
It circumferentially moves back and forth, the connection type of open end 131 and head end 202 can be clamping, is also possible to be bonded, is also possible to cover
Connect, be also possible to connect, if can guide ring 13 carry out the direction away from connection pedestal 1 it is mobile 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
Dynamic, 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, is also possible to that relative displacement does not occur between moving member 2 and the junction of guide ring 13, only
It is only 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 away from the movement in the direction of connection pedestal 1 and send out between moving member 2 and the junction for connecting pedestal 1
Raw relative displacement is also possible to 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 a specific embodiment of the utility model, as shown in Fig. 1,2,12 and 13, actuator is cambridge ring 15, wedge
Shape ring 15 includes elastic force ring 151 and wedge block 152, and wedge block 152 is circumferentially distributed, and there are certain gap, elastic force rings each other
The whole wedge blocks 152 of 151 series connection inlay ring junction to form an embedded cyclic structure that can be deformed or compartment
Structure, wedge block 152, which can be to be uniformly distributed, is also possible to non-uniform Distribution, drives wedge block 152 right by pressing elastic force ring 151
Connector, which can generate, directly or indirectly to be squeezed, for example wedge block 152 can be connected to the first guide end 122 and the
In the gap 14 being arranged between two guide ends 132, chamfering is arranged in the first guide end 122 and 132 outer of the second guide end, with wedge shape
Ring 15 contacts, and directly to act on, perhaps deformation occurs or pressing wedge with the movement of connector position with 13 indirectly-acting of guide ring
In shape block 152 to activity space 7, so that deformation occurs for elastic force ring 151, deformation occurs with connector for indirectly-acting, as wedge shape
The actuator of ring 15 can give certain utilization, in order to advanced optimize, cambridge ring in each embodiment of above-mentioned statement
15 settings are there are two lozenges, and angular range is between 30 ° to 170 ° between two lozenges, it is preferred that two lozenges
Angle is 90 °, and 15 inner circumferential of cambridge ring is distributed gap, and to reduce deformation drag, gap quantity is no less than 4, gap point
Cloth, which can be to be uniformly distributed, is also possible to non-uniform Distribution, it is preferred that gap obtains quantity and is designed as circumferential equally distributed 12.
15 outer of cambridge ring can be set to regular polygon, can increase the contact area with finger, facilitate pressing, 15 outer of cambridge ring
For rough surface, it can be zigzag lines or other lines.
In conclusion the calparine cap of the utility model increases on the basis of not influencing its original function and draws back blood examination
Look into function, with remaining needle entire service life, can Reusability can be anti-in 72 hours service life of remaining needle
It uses again, the correlative charges of saving remaining needle nursing, to the design of cambridge ring 15 so that the implementation of calparine cap carries out in embodiment
Optimization, one hand, which squeezes cambridge ring 15, can be realized audit function, easy to operate, and automatic after releasing stress to restore, remaining needle is led
There is no blood residuals in pipe, draws back during blood examination looks into, indwelling pipe-line system is in closed state always, will not therefore bring dirt
Dye, patient are safer using remaining needle.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
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 and the moving member are tightly connected, 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 mobile 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;
Make the moving member mobile away from the direction of the connection pedestal by pressing actuator, in the internal appearance
Intracavitary formation negative pressure is carried out drawing back blood examination and be looked by the negative pressure of formation.
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 and the moving member are tightly connected.
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 away from the direction movement for connecting 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, deformation occurs and makes the moving member mobile away from the direction of the connection pedestal for actuator, in the inside
Negative pressure is formed in cavity, 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 deformation occurs and makes the moving member away from the side of the connection pedestal for actuator
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 movement, and drives the moving member away from institute
The direction for stating connection pedestal is mobile, to form negative pressure in the inner volume, carries out drawing back blood examination by the negative pressure of formation and look into.
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 and the connection pedestal are tightly connected;
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;
Gap is provided between first guide end and the second guide end;
Actuator setting passes through the gap and first guide end and second guide end in the gap location, actuator
Contact;
It is mobile away from the direction of the connection pedestal that pressing actuator makes the guide ring, and drives the moving member court
The direction far from the connection pedestal it is mobile, to form negative pressure in the inner volume, taken out by the negative pressure of formation
Blood back inspection.
Priority Applications (1)
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CN201821133097.3U CN208959128U (en) | 2018-07-17 | 2018-07-17 | A kind of calparine cap |
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CN201821133097.3U CN208959128U (en) | 2018-07-17 | 2018-07-17 | A kind of calparine cap |
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CN208959128U true CN208959128U (en) | 2019-06-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108635666A (en) * | 2018-07-17 | 2018-10-12 | 锦州诺德医疗器械科技有限公司 | A kind of calparine cap |
-
2018
- 2018-07-17 CN CN201821133097.3U patent/CN208959128U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108635666A (en) * | 2018-07-17 | 2018-10-12 | 锦州诺德医疗器械科技有限公司 | A kind of calparine cap |
CN108635666B (en) * | 2018-07-17 | 2024-06-18 | 杨恚 | Heparin cap |
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Effective date of registration: 20200708 Address after: No.14, building 32, Jiefang East Road, Linghe District, Jinzhou City, Liaoning Province Patentee 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 Patentee before: JINZHOU NUODE MEDICAL INSTRUMENT TECHNOLOGY Co.,Ltd. |