CN109481840A - A kind of calparine cap - Google Patents

A kind of calparine cap Download PDF

Info

Publication number
CN109481840A
CN109481840A CN201811572453.6A CN201811572453A CN109481840A CN 109481840 A CN109481840 A CN 109481840A CN 201811572453 A CN201811572453 A CN 201811572453A CN 109481840 A CN109481840 A CN 109481840A
Authority
CN
China
Prior art keywords
section
mobile
inner volume
linkage
calparine cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811572453.6A
Other languages
Chinese (zh)
Other versions
CN109481840B (en
Inventor
刘伟
丛利
唐洪林
金磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yang hui
Original Assignee
Jinzhou Nord Medical Equipment Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jinzhou Nord Medical Equipment Technology Co Ltd filed Critical Jinzhou Nord Medical Equipment Technology Co Ltd
Priority to CN201811572453.6A priority Critical patent/CN109481840B/en
Publication of CN109481840A publication Critical patent/CN109481840A/en
Application granted granted Critical
Publication of CN109481840B publication Critical patent/CN109481840B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/20Closure caps or plugs for connectors or open ends of tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Pulmonology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

A kind of calparine cap of the invention, including connection pedestal and moving member;Described connection pedestal one end and indwelling pipeline system connectivity, the other end are connect with the moving member, are provided with inner volume between the moving member and connection pedestal;It is made a relative move by rotating the connection pedestal and/or the moving member, so that form negative pressure in the inner volume while volume increase of the inner volume, carries out drawing back blood examination by the negative pressure of formation and look into.Calparine cap of the invention, on the basis of calparine cap original function, it increases and draws back blood audit function, it is 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 expenditure, while reducing remaining needle external-connected port pollution risk.

Description

A kind of calparine cap
Technical field
The present invention 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.
Summary of the invention
In view of this, on the basis of calparine cap original function, increasing the purpose of the present invention is to provide a kind of calparine cap Blood audit function is drawn back, is used cooperatively with remaining needle, with remaining needle complete service life, 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 invention provides the following technical scheme:
A kind of calparine cap, including connection pedestal and moving member;Described connection pedestal one end and indwelling pipeline system connectivity, separately One end is connect with the moving member, is provided with inner volume between the moving member and connection pedestal;By rotating the connection Pedestal and/or the moving member make a relative move, so that while the volume of the inner volume increases and then 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 connection pedestal includes base section and linkage section, and the moving member includes mobile section, the base section With the indwelling pipeline system connectivity, the linkage section is connect with the mobile section, the base section, linkage section and the movement Inner volume is provided between section.
Preferably, the linkage section is set in the mobile section, and is threadedly engaged and is connect with the mobile section, and rotation is passed through Turn the linkage section and/or the mobile section, so that the linkage section and the mobile section relatively move, 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 linkage section external circumferential is provided with seal groove, and sealing ring is provided in the seal groove, described close Seal makes the linkage section and the mobile section keep being tightly connected while being threadedly engaged relative movement;The linkage section It is additionally provided with helicla flute, is provided with and the matched guide pad of the helicla flute on the inside of the mobile section.
Preferably, the mobile section is set in the linkage section, and is threadedly engaged and is connect with the linkage section, and rotation is passed through Turn the linkage section and/or the mobile section, so that the linkage section and the mobile section relatively move, 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 mobile section external circumferential is provided with seal groove, and sealing ring is provided in the seal groove, described close Seal makes the linkage section and the mobile section keep being tightly connected while being threadedly engaged relative movement;Far from the base One end of the linkage section of seat section is connect by guide way with the mobile section, the inside of the guide way and the mobile section Lateral gap be cooperatively connected.
Preferably, the moving member further includes spiral section, and the spiral section and the mobile section are tightly connected;The movement Section is set in the linkage section, and one end of the linkage section far from the base section is connected by guide way and the mobile section It connects, the medial gap of the outside of the mobile section and the guide way is cooperatively connected;The inside of the spiral section and the guiding The outside screw of body is cooperatively connected, by rotating the linkage section and/or the spiral section, so that the linkage section and the shifting Dynamic section relatively moves, and to form negative pressure in the inner volume, carries out drawing back blood examination by the negative pressure of formation and look into.
Preferably, the spiral section includes fixed ring and screws ring, the outside for screwing ring one end Yu the fixed ring It is fixedly connected, the other end is connect with the mobile section, and the outside screw of the inside of the fixed ring and the guide way, which cooperates, to be connected It connects.
Preferably, the mobile section external circumferential is provided with seal groove, and sealing ring is provided in the seal groove, described close Seal makes the linkage section and the mobile section keep being tightly connected while relative movement.
Preferably, the moving member further includes fixed section;Far from the base section the mobile section one end with it is described Fixed section is tightly connected;Rubber plug is provided in the fixed section, the rubber plug and the fixed section are tightly connected.
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;Pedestal one end and indwelling pipeline system connectivity are connected, the other end is connect with moving member, is arranged between moving member and connection pedestal There is inner volume;By rotation connection pedestal and/or moving member make a relative move so that the volume of inner volume increase it is same When negative pressure is formed in inner volume, carry out drawing back blood examination by the negative pressure of formation and look into.In having between moving member and connection pedestal Portion's cavity, inner volume is connected to indwelling pipe-line system by connecting pedestal, when by rotating connection pedestal and/or movement Part makes moving member and linker so that connection pedestal and moving member are relatively moved during relatively moving Inner volume volume between seat increases, then certain negative pressure will be formed in inner volume at this time, can be completed and draws back blood examination It looks into, this operation can be completed by the calparine cap itself of this patent draws back blood examination and look into, and does not need the external sources device such as external syringe Tool, and indwelling pipe-line system is in closed state always, will not therefore bring pollution, patient is safer using remaining needle, and It can be completed by way of rotation and draw back blood examination and look into, operate more flexible.
Detailed description of the invention
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 technical 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 It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the first calparine cap of the embodiment of the present invention;
Fig. 2 is the cross-sectional view of the first calparine cap of the embodiment of the present invention;
Fig. 3 is the structural schematic diagram of the connection pedestal of the first calparine cap of the embodiment of the present invention;
Fig. 4 is the structural schematic diagram of second of calparine cap of the embodiment of the present invention;
Fig. 5 is the cross-sectional view of second of calparine cap of the embodiment of the present invention;
Fig. 6 is the structural schematic diagram of the moving member of second of calparine cap of the embodiment of the present invention;
Fig. 7 is the cross-sectional view of the connection pedestal of second of calparine cap of the embodiment of the present invention;
Fig. 8 is the structural schematic diagram of the third calparine cap of the embodiment of the present invention;
Fig. 9 is the cross-sectional view of the third calparine cap of the embodiment of the present invention;
Figure 10 is the structural schematic diagram of the spiral section of the third calparine cap of the embodiment of the present invention;
Figure 11 is the cross-sectional view of the spiral section of the third calparine cap of the embodiment of the present invention;
Figure 12 is the partial schematic diagram of the spiral section of the third calparine cap of the embodiment of the present invention;
Figure 13 is another cross-sectional view of the third calparine cap of the embodiment of the present invention;
Figure 14 is the third cross-sectional view of the third calparine cap of the embodiment of the present invention.
Wherein, it is marked in attached drawing as follows:
1- connection pedestal, 101- base section, 102- linkage section, 2- moving member, 201- mobile section, 202- spiral section, 203- Fixed section, 3- inner volume, 4- seal groove, 5- sealing ring, 6- helicla flute, 7- guide pad, 8- guide way, 9- fixed ring, 10- rotation Twist ring, 11- rubber plug, 12- limiting card.
Specific embodiment
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 description, 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.
Fig. 1-14 is please referred to, Fig. 1 is the structural schematic diagram of the first calparine cap of the embodiment of the present invention;Fig. 2 is the present invention The cross-sectional view of the first calparine cap of embodiment;Fig. 3 is the structure of the connection pedestal of the first calparine cap of the embodiment of the present invention Schematic diagram;Fig. 4 is the structural schematic diagram of second of calparine cap of the embodiment of the present invention;Fig. 5 is second of the embodiment of the present invention The cross-sectional view of calparine cap;Fig. 6 is the structural schematic diagram of the moving member of second of calparine cap of the embodiment of the present invention;Fig. 7 is this hair The cross-sectional view of the connection pedestal of second of calparine cap of bright embodiment;Fig. 8 is the knot of the third calparine cap of the embodiment of the present invention Structure schematic diagram;Fig. 9 is the cross-sectional view of the third calparine cap of the embodiment of the present invention;Figure 10 is the third liver of the embodiment of the present invention The structural schematic diagram of the spiral section of plain cap;Figure 11 is the cross-sectional view of the spiral section of the third calparine cap of the embodiment of the present invention;Figure 12 be the partial schematic diagram of the spiral section of the third calparine cap of the embodiment of the present invention;Figure 13 is the third of the embodiment of the present invention Another cross-sectional view of calparine cap;Figure 14 is the third cross-sectional view of the third calparine cap of the embodiment of the present invention.
As represented in figures 1 through 14, a kind of calparine cap, including connection pedestal 1 and moving member 2;Connect 1 one end of pedestal and indwelling tube Road system connectivity, the other end are connect with moving member 2, are provided with inner volume 3 between moving member 2 and connection pedestal 1;Pass through rotation Connection pedestal 1 and/or moving member 2 make a relative move, so that while the volume of inner volume 3 increases and then 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.Inner volume is provided between moving member 2 and connection pedestal 1 3, inner volume 3 is connected to indwelling pipe-line system by connecting pedestal 1, when by rotating connection pedestal 1 and/or moving member 2 so that connection pedestal 1 and moving member 2 relatively move, make during relatively moving moving member 2 with connect 3 volume of inner volume between pedestal 1 increases, then certain negative pressure will be formed in inner volume 3 at this time, can be completed and draws back Blood examination is looked into, this operation can be completed by the calparine cap itself of this patent draws back blood examination and look into, and it is outer not need external syringe etc. Source instrument, and indwelling pipe-line system is in closed state always, will not therefore bring pollution, patient is safer using remaining needle, What needs to be explained here is that indwelling pipe-line system can be remaining needle, it can be the sub-assembly of remaining needle and inlying catheter.Here It should be noted that by rotation connection pedestal 1 and/or moving member 2 the two is relatively moved, relative movement here The monomer that connection pedestal 1 be can be relative to moving member 2 relatively moves, i.e., moving member 2 is motionless, is made by rotation connection pedestal 1 Pedestal 1 must be connected away from the direction moving in rotation of moving member 2, so that the volume of inner volume 3 increases, to generate negative Pressure;It is also possible to monomer relative movement of the moving member 2 relative to connection pedestal 1, i.e. connection pedestal 1 is motionless, passes through moving in rotation Part 2 makes moving member 2 away from the direction moving in rotation of connection pedestal 1, so that the volume of inner volume 3 increases, thus Generate negative pressure;Can also connect pedestal 1 to relatively move relative to the binary of moving member 2, i.e. connection pedestal 1 and moving member 2 is equal It moves backward, so that the volume of inner volume 3 increases, to generate negative pressure, when towards the side opposite with aforesaid operations To or it is mobile carry out rotation process when, the reset of connection pedestal 1 and moving member 2 can be completed.Wherein, connection pedestal 1 includes Base section 101 and linkage section 102, the moving member 2 include mobile section 201, the base section 101 and the indwelling pipe-line system Connection, the linkage section 102 are connect with the mobile section 201, the base section 101, linkage section 102 and the mobile section 201 Between be provided with inner volume 3, by moving in rotation section 201 and/or base section 101, mobile section 201 and/or linkage section 102, So that relatively moving each other, so that being provided with inside between seat section, linkage section 102 and the mobile section 201 The volume of cavity 3 increases, and to generate negative pressure, completion is drawn back blood examination and looked into, what needs to be explained here is that, relative movement can be connection Section 102 is relatively moved relative to the monomer of mobile section 201, i.e., mobile section 201 is motionless, to connect by rotating linkage section 102 Section 102 away from mobile section 201 direction moving in rotation so that the volume of inner volume 3 increases, to generate negative pressure; The monomer for being also possible to mobile section 201 relative to linkage section 102 relatively moves, i.e., linkage section 102 is motionless, passes through moving in rotation section 201 make mobile section 201 away from the direction moving in rotation of linkage section 102, so that the volume of inner volume 3 increases, from And generate negative pressure;It can also be binary relative movement of the linkage section 102 relative to mobile section 201, i.e. linkage section 102 and mobile section 201 move backward, so that the volume of inner volume 3 increases, to generate negative pressure, when towards opposite with aforesaid operations Direction or mobile when carrying out rotation process, the reset of linkage section 102 and mobile section 201 can be completed.
In another specific embodiment of the invention, as shown in Figure 1-3, linkage section 102 is set in the mobile section 201 It is interior, and be threadedly engaged and connect with the mobile section 201, by rotating the linkage section 102 and/or the mobile section 201, so that The linkage section 102 and the mobile section 201 relatively move, and to form negative pressure in the inner volume 3, pass through to be formed Negative pressure carry out drawing back blood examination and look into.The explanation of relative movement has been already explained above in detail, which is not described herein again, wherein A kind of rotation mode are as follows: linkage section 102 is socketed in mobile section 201, increases the flexibility of mobile section 201, by even Connect the fixation of section 102 and base section 101, it is only necessary to away from base section 101 direction moving in rotation section 201 can be realized it is interior The volume of portion's cavity 3 becomes larger;Therefore by relative movement, when the space between linkage section 102 and mobile section 201 or apart from change When big, the volume of inner volume 3 will also become larger, and can generate certain negative pressure at this time and completion is drawn back blood examination and looked into, work as linkage section 102 and mobile section 201 towards when opposite direction is mobile or operation, space or distance between linkage section 102 and mobile section 201 It can become smaller, the volume of inner volume 3 will also become smaller at this time, and negative pressure also can slowly disappear therewith, in order to enable calparine cap can be more Blood operation is drawn back in good completion puncture, it is preferred that linkage section 102 is provided with connecting cavity, and the connecting cavity includes wide mouth part and narrow Mouth end, the slot end are wrapped close to the base section 101, the wide mouth part far from the base section 101, the inner volume 3 The connecting cavity is included, then the connection with inner volume 3 can be completed by connecting cavity, while can also be carried out with base section 101 Connection, so that calparine cap can still have reliable leakproofness when carrying out with external source instrument and being connected to use.
The leakproofness of inner volume 3 in order to further increase, as shown in Fig. 2, 102 external circumferential of linkage section is provided with sealing Slot 4, it is preferred that open up seal groove 4, setting in the seal groove 4 in 102 one end of linkage section circumferential direction far from base section 101 There is sealing ring 5, what needs to be explained here is that, the number of seal groove 4 and sealing ring 5 is not specifically limited, as long as can play pre- Anti- security risk increases the effect of stability, can be according to the length of linkage section 102 or the volume size of inner volume 3 Two double-round designs are disposed as Deng the adjustment for carrying out adaptability, such as seal groove 4 and sealing ring 5, sealing ring 5 makes described Linkage section 102 and the mobile section 201 keep being tightly connected while being threadedly engaged relative movement, then when rotation linkage section 102 and/or mobile section 201 when to occur between the two relative motion, inner volume 3 again may be used while volume increases Guarantee has better sealing, to be conducive to the formation of negative pressure, draws back blood examination with better completion and looks into.Further, described Linkage section 102 is additionally provided with helicla flute 6, be provided on the inside of the mobile section 201 with the matched guide pad 7 of the helicla flute 6, Linkage section 102 and mobile section 201 occur relative rotation it is mobile when, guide pad 7 can be slided along helicla flute 6, and guide pad 7 can be with It is connected in mobile section 201 by limit hole, is also possible to the protrusion being directly fixed in mobile section 201, guide pad 7 Shape is also not specifically limited, as long as identical technical effect can be played, mobile section 201 and/or linkage section 102 it Between when passing through rotation due to the effect of external force between each other and make a relative move, 3 volume of inner volume can be made to increase, if but Linkage section 102 is thoroughly skidded off out of mobile section 201, that inner volume 3 will not have certain leakproofness, can not also be played and be drawn back The effect that blood examination is looked into, thus by design the helicla flute 6 with certain length and depth and guide pad 7 come to relative movement away from From being defined, as specific location and number of the guide pad 7 in mobile section 201, also without limitation, as long as phase can be reached Same technical effect, can be designed according to actual needs, be readily apparent that by those skilled in the art, here not It illustrates and repeats again.Further, moving member 2 further includes fixed section 203;One end of mobile section 201 far from base section 101 and solid Determine the sealed connection of section 203;Make mobile section 201 mobile away from the direction of base section 101 by rotating fixed section 203, makes It obtains mobile section 201 and relative displacement occurs for linkage section 102, the volume of inner volume 3 increases, and then is formed in inner volume 3 Negative pressure is carried out drawing back blood examination and be looked by the negative pressure of formation.Rubber plug 11 is provided in fixed section 203, rubber plug 11 and fixed section 203 are close Envelope connection, by being punctured to rubber plug 11, can be completed by mobile section 201 with the connection of inner volume 3, while also can be with Base section 101 is connected to, so that calparine cap can still have reliably when carrying out with external source instrument and being connected to use Leakproofness.
In another specific embodiment of the invention, as shown in figs. 4-7, the mobile section 201 is set in the connection It in section 102, and is threadedly engaged and connect with the linkage section 102, by rotating the linkage section 102 and/or the mobile section 201, so that the linkage section 102 and the mobile section 201 relatively move, to form negative pressure in the inner volume 3, It carries out drawing back blood examination by the negative pressure of formation and look into.The explanation of relative movement is already explained above in detail, here no longer It repeats, one of rotation mode are as follows: mobile section 201 is set in linkage section 102, by linkage section 102 and base section 101 fixation, it is only necessary to the volume change of inner volume 3 can be realized away from the direction moving in rotation section 201 of base section 101 Greatly;Therefore by relative movement, when between linkage section 102 and mobile section 201 space or distance become larger when, inner volume 3 Volume will also become larger, certain negative pressure can be generated and completion is drawn back blood examination and looked at this time, when linkage section 102 and mobile section 201 Towards when opposite direction movement or operation, space or distance between linkage section 102 and mobile section 201 can also become smaller, interior at this time The volume of portion's cavity 3 will also become smaller, and negative pressure also can slowly disappear therewith, take out in order to enable calparine cap can preferably be completed to puncture Blood back operation, mobile section 201 are provided with mobile cavity, and the mobile cavity includes wide mouth part and slot end, and the slot end is close to institute Base section 101 is stated, the wide mouth part is far from the base section 101, and the inner volume 3 includes the mobile cavity, then passing through The connection with inner volume 3 can be completed in mobile cavity, while can be also connected to base section 101, so that calparine cap can Still there is reliable leakproofness when carrying out with external source instrument and being connected to use.
The leakproofness of inner volume 3 in order to further increase, as shown in figure 5,201 external circumferential of mobile section is provided with sealing Slot 4, it is preferred that opening up seal groove 4, setting in the seal groove 4 close to 201 one end of mobile section of base section 101 circumferential direction There is sealing ring 5, what needs to be explained here is that, the number of seal groove 4 and sealing ring 5 is not specifically limited, as long as can play pre- Anti- security risk increases the effect of stability, can be according to the length of mobile section 201 or the volume size of inner volume 3 Two double-round designs are disposed as Deng the adjustment for carrying out adaptability, such as seal groove 4 and sealing ring 5, sealing ring 5 makes described Linkage section 102 and the mobile section 201 keep being tightly connected while being threadedly engaged relative movement, then when rotation linkage section 102 and/or mobile section 201 when to occur between the two relative motion, inner volume 3 again may be used while volume increases Guarantee has better sealing, to be conducive to the formation of negative pressure, draws back blood examination with better completion and looks into.Further, described Mobile section 201 is set in the linkage section 102, and one end of the linkage section 102 far from the base section 101 passes through guiding Body 8 is connect with the mobile section 201, and the medial gap of the outside of the mobile section 201 and the guide way 8 is cooperatively connected, and is led It is fixedly connected to the outside of body 8 with the inside of linkage section 102;So that between the mobile section 201 and linkage section 102 of calparine cap both Certain axial-rotation relative motion can occur, and can guarantee certain leakproofness, to guarantee negative in inner volume 3 The formation of pressure.Further, moving member 2 further includes fixed section 203;One end of mobile section 201 far from base section 101 and fixation Section 203 is tightly connected;Make mobile section 201 mobile away from the direction of base section 101 by rotating fixed section 203, thus So that relative displacement occurs for mobile section 201 and linkage section 102, the volume of inner volume 3 increases, and then the shape in inner volume 3 At negative pressure, carries out drawing back blood examination by the negative pressure of formation and look into.Rubber plug 11, rubber plug 11 and fixed section 203 are provided in fixed section 203 It is tightly connected, by puncturing to rubber plug 11, the connection with inner volume 3 can be completed by mobile section 201, while also may be used It is connected to base section 101, so that calparine cap can still have reliably when carrying out with external source instrument and being connected to use Leakproofness.
In another specific embodiment of the invention, as illustrated in figs. 8-11, the moving member 2 further includes spiral section 202; The mobile section 201 is set in the linkage section 102, and one end of the linkage section 102 far from the base section 101 passes through Guide way 8 is connect with the mobile section 201, and the medial gap of the outside of the mobile section 201 and the guide way 8, which cooperates, to be connected It connects;The outside screw of the inside of the spiral section 202 and the guide way 8 is cooperatively connected, by rotating the linkage section 102 And/or the spiral section 202, it is connect by means of mobile section 201 with the clearance fit of guide way 8, spiral section 202 and guide way 8 The sealed connection for being threadedly engaged connection and spiral section 202 and mobile section 201 so that the mobile section 201 of calparine cap and connection Certain axial rotation motion can either be occurred by the connection of guide way 8 between section 102, and enable to 102 He of linkage section Mobile section 201 relatively moves, while can guarantee certain leakproofness again, to guarantee the negative pressure in inner volume 3 It is formed.The explanation of relative movement is already explained above in detail, which is not described herein again, one of rotation mode are as follows: Mobile section 201 is set in linkage section 102, the fixation to linkage section 102 and base section 101 is passed through, it is only necessary to away from The direction of base section 101, which rotates spiral section 202, to drive mobile section 201 mobile by guide way 8, to realize inner volume 3 volume becomes larger;Therefore by relative movement, when between linkage section 102 and mobile section 201 space or distance become larger when, The volume of inner volume 3 will also become larger, and can generate certain negative pressure and completion is drawn back blood examination and looked at this time, when passing through spiral section 202 sky by linkage section 102 and mobile section 201 towards opposite direction movement or when operating, between linkage section 102 and mobile section 201 Between or distance can also become smaller, the volume of inner volume 3 will also become smaller at this time, and negative pressure also can slowly disappear therewith, in order to enable Calparine cap, which can preferably be completed to puncture, draws back blood operation, and mobile section 201 is provided with mobile cavity, and the mobile cavity includes wide mouth part With slot end, the slot end is close to the base section 101, and the wide mouth part is far from the base section 101, the inner volume 3 include the mobile cavity, then the connection with inner volume 3 can be completed by mobile cavity, while also can with base section 101 into Row connection, so that calparine cap can still have reliable leakproofness when carrying out with external source instrument and being connected to use.
In order to increase the flexibility and stability of device, as shown in figs. 9-11, spiral section 202 includes fixed ring 9 and screws Ring 10, described 10 one end of ring that screws are fixedly connected with the outside of the fixed ring 9, and the other end is connect with mobile section 201, described solid The outside screw of the inside and the guide way 8 of determining ring 9 is cooperatively connected.By screwing ring 10 away from base section 101 Movement can be further driven to the rotation of fixed ring 9, since fixed ring 9 is connect with guide way 8 by being threadedly engaged, fixed ring 9 rotation will relatively move so that generating between guide way 8 and fixed ring 9, and due between guide way 8 and mobile section 201 Clearance fit connection relationship, mobile section 201 at this time can also occur relative to guide way 8 with spiral section 202 away from base The movement of seat section 101, the volume of inner volume 3 will be gradually increased at this time, and generate certain negative pressure.
The leakproofness of inner volume 3 in order to further increase, as shown in figure 9,201 external circumferential of mobile section is provided with sealing Slot 4, it is preferred that opening up seal groove 4, setting in the seal groove 4 close to 201 one end of mobile section of base section 101 circumferential direction There is sealing ring 5, the sealing ring 5 makes the linkage section 102 with the mobile section 201 while being threadedly engaged relative movement It keeps being tightly connected, what needs to be explained here is that, the number of seal groove 4 and sealing ring 5 is not specifically limited, as long as can play Prevent the effect that security risk increases stability, it can be big according to the length of mobile section 201 or the volume of inner volume 3 The small equal adjustment for carrying out adaptability, such as seal groove 4 and sealing ring 5 are disposed as two double-round designs, when rotation linkage section 102 and/or mobile section 201 when to occur between the two relative motion, the guarantor again while volume increases of inner volume 3 Leakproofness is held, to be conducive to the formation of negative pressure, blood examination is drawn back with better completion and is looked into.Further, as shown in Fig. 9 and 13, Moving member 2 further includes fixed section 203;One end of mobile section 201 far from base section 101 and fixed section 203 are tightly connected;Spiral The ring 10 that screws of section 202 is tightly connected by fixed section 203 and mobile section 201, wherein fixed ring 9 and the bonding of ring 10 is screwed, when The rotation of ring 10 is screwed, at this time whether as shown in Figure 9, guide way 8 and fixing end 203 are fixed what ring 9 separated, or as schemed Shown in 13, guide way 8 is not fixed ring 9 with fixing end 203 and is separated, fixed ring 9 by with the rotation for screwing ring 10 and Rotate and further push fixed section 203 away from base section 101 direction move, and be further driven to mobile section 201 to Direction far from base section 101 is mobile, what needs to be explained here is that, fixed section 203 can be connected through a screw thread with mobile section 201 Or the mode being fixedly connected is connect with ring 10 is screwed to synchronize rotation, can also only with guide way 8 and screw ring 10 Clearance fit connection not with fixed ring 9 and/or screws ring 10 and synchronizes rotation, promotes mobile section 201 as long as can be realized Away from the technical effect that the direction of base section 101 is moved, when mobile section 201 is moved, mobile section 201 and company It connects section 102 and relative displacement occurs, the volume of inner volume 3 increases, and then forms negative pressure in inner volume 3, passes through formation Negative pressure, which carries out drawing back blood examination, to be looked into, and when the ring 10 that screws to spiral section 202 reversely rotates, fixed ring 9 will be with screwing ring 10 rotation and rotate and further push fixed section 203 mobile towards the direction close to base section 101, to drive mobile section 201 is mobile to the direction of base section 101, to be moved to initial position, there is also the need to explanation, and fixed section 203 and movement The mode that section 201 can be connected through a screw thread or be fixedly connected is connect with ring 10 is screwed to synchronize rotation, can also be only Only with guide way 8 and screw 10 clearance fit of ring and connect, not with fixed ring 9 and/or screw ring 10 and synchronize rotation, as long as It can be realized and promote mobile section 201 towards the technical effect mobile close to the direction of base section 101.
During fixed ring 9 carries out swing offset variation, in order to further limit the final position of rotation, to limit Stretch range, as shown in figure 14, linkage section 102 is additionally provided with spiral channel, be provided on the inside of 9 one end of fixed ring with it is described The matched limiting card 12 of spiral channel, when relative rotation movement occurs for linkage section 102 and fixed ring 9, limiting card 12 can edge Spiral channel sliding, limiting card 12 can be connected in fixed ring 9 by limit hole, be also possible to directly be fixed at Determine the protrusion in ring 9, the shape of limiting card 12 is also not specifically limited, as long as identical technical effect can be played, When making a relative move between fixed ring 9 and/or linkage section 102 by rotation, 3 volume of inner volume can be made to increase, still If linkage section 102 is thoroughly skidded off out of fixed ring 9, that inner volume 3 will not have certain leakproofness, can not also play and draw back The effect that blood examination is looked into, therefore have the spiral channel and limiting card 12 of certain length and depth come to relative movement by designing Distance is defined, as specific location and number of the limiting card 12 in fixed ring 9, also without limitation, as long as can reach Identical technical effect can be designed according to actual needs, is readily apparent that by those skilled in the art, work It is also as shown in Figure 3 to make principle, no longer citing repeats here.There is also the need to explanations, in order to play the limit of swing offset System, can also be arranged screw tip close to one end of base section 101 in fixed ring 9, carry out spiral shell in fixed ring 9 and linkage section 102 When line rotates, the stroke of fixed ring 9 is limited using the end being threadedly engaged, it certainly can also be using other limit technology hands Section, no longer repeats, one by one here as long as identical technical effect can be played.
Wherein, rubber plug 11 is additionally provided in fixed section 203, rubber plug 11 and fixed section 203 are tightly connected, by rubber plug 11 It is punctured, the connection with inner volume 3 can be completed by mobile section 201, while can be also connected to base section 101, So that calparine cap can still have reliable leakproofness when carrying out with external source instrument and being connected to use.
In conclusion calparine cap of the invention, on the basis of not influencing its original function, increases and draw back blood examination and look into function Can, with remaining needle entire service life, can Reusability can make repeatedly in 72 hours service life of remaining needle With, the correlative charges of remaining needle nursing is saved, it is easy to operate, it draws back during blood examination looks into, indwelling pipe-line system is in envelope always Therefore closed state, will not 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 readily 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 scope of cause.

Claims (10)

1. a kind of calparine cap, which is characterized in that including connection pedestal and moving member;
Described connection pedestal one end and indwelling pipeline system connectivity, the other end are connect with the moving member, the moving member and company It connects and is provided with inner volume between pedestal;
It is made a relative move by rotating the connection pedestal and/or the moving member, so that the volume of the inner volume increases Negative pressure is formed while big and then in the inner volume, carries out drawing back blood examination by the negative pressure of formation and look into.
2. calparine cap as described in claim 1, which is characterized in that the connection pedestal includes base section and linkage section, described Moving member includes mobile section, and the base section and the indwelling pipeline system connectivity, the linkage section are connect with the mobile section, Inner volume is provided between the base section, linkage section and the mobile section.
3. calparine cap as claimed in claim 2, which is characterized in that the linkage section is set in the mobile section, and with institute It states mobile section and is threadedly engaged connection, by rotating the linkage section and/or the mobile section, so that the linkage section and the shifting Dynamic section relatively moves, and to form negative pressure in the inner volume, carries out drawing back blood examination by the negative pressure of formation and look into.
4. calparine cap as claimed in claim 3, which is characterized in that the linkage section external circumferential is provided with seal groove, described Sealing ring is provided in seal groove, the sealing ring makes the linkage section and the mobile section be threadedly engaged relative movement It keeps being tightly connected simultaneously;
The linkage section is additionally provided with helicla flute, is provided with and the matched guide pad of the helicla flute on the inside of the mobile section.
5. calparine cap as claimed in claim 2, which is characterized in that the mobile section is set in the linkage section, and with institute It states linkage section and is threadedly engaged connection, by rotating the linkage section and/or the mobile section, so that the linkage section and the shifting Dynamic section relatively moves, and to form negative pressure in the inner volume, carries out drawing back blood examination by the negative pressure of formation and look into.
6. calparine cap as claimed in claim 5, which is characterized in that the mobile section external circumferential is provided with seal groove, described Sealing ring is provided in seal groove, the sealing ring makes the linkage section and the mobile section be threadedly engaged relative movement It keeps being tightly connected simultaneously;
One end of the linkage section far from the base section is connect by guide way with the mobile section, the guide way it is interior The lateral gap of side and the mobile section is cooperatively connected.
7. calparine cap as claimed in claim 2, which is characterized in that the moving member further includes spiral section, the spiral section with The mobile section is tightly connected;
The mobile section is set in the linkage section, far from the base section the linkage section one end by guide way with The medial gap of the mobile section connection, the outside of the mobile section and the guide way is cooperatively connected;
The outside screw of the inside of the spiral section and the guide way is cooperatively connected, by rotating the linkage section and/or institute Spiral section is stated, so that the linkage section and the mobile section relatively move, to form negative pressure in the inner volume, is led to It crosses the negative pressure formed and carries out drawing back blood examination and look into.
8. calparine cap as claimed in claim 7, which is characterized in that the spiral section includes fixed ring and screws ring, the rotation Twist and be fixedly connected on the outside of ring one end and the fixed ring, the other end is connect with the mobile section, the inside of the fixed ring and The outside screw of the guide way is cooperatively connected.
9. calparine cap as claimed in claim 8, which is characterized in that the mobile section external circumferential is provided with seal groove, described Sealing ring is provided in seal groove, the sealing ring makes holding while relative movement of the linkage section and the mobile section It is tightly connected.
10. calparine cap as described in any one of claims 1-9, which is characterized in that the moving member further includes fixed section;
One end of the mobile section far from the base section and the fixed section are tightly connected;Glue is provided in the fixed section Plug, the rubber plug and the fixed section are tightly connected.
CN201811572453.6A 2018-12-21 2018-12-21 Heparin cap Active CN109481840B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811572453.6A CN109481840B (en) 2018-12-21 2018-12-21 Heparin cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811572453.6A CN109481840B (en) 2018-12-21 2018-12-21 Heparin cap

Publications (2)

Publication Number Publication Date
CN109481840A true CN109481840A (en) 2019-03-19
CN109481840B CN109481840B (en) 2024-06-18

Family

ID=65711287

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811572453.6A Active CN109481840B (en) 2018-12-21 2018-12-21 Heparin cap

Country Status (1)

Country Link
CN (1) CN109481840B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110548220A (en) * 2019-03-25 2019-12-10 张亚平 Covering type self-cleaning heparin cap

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2732260Y (en) * 2004-10-29 2005-10-12 李�浩 Improved venous retention needle
CN101015721A (en) * 2006-02-12 2007-08-15 董中新 Artery-vein catherter preventing blood outflow provided with blood sampling opening
CN202184987U (en) * 2011-05-07 2012-04-11 李林风 Indwelling catheter embolism remover based on negative-pressure suction principle
CN203620006U (en) * 2013-12-13 2014-06-04 祁荣 A safety syringe needle exclusively used for heparin cap
CN203647794U (en) * 2013-12-26 2014-06-18 尹建敏 Safe indwelling needle for blood sampling and transfusing
CN104208770A (en) * 2014-10-10 2014-12-17 胡晓予 Tube sealing injection device avoiding venous indwelling needle blockage
CN104758997A (en) * 2015-04-17 2015-07-08 南通恒泰医疗器材有限公司 Integrated micro-resistance needle-free anti-counterflow infusion positive pressure connector
CN204601188U (en) * 2015-03-07 2015-09-02 荆友斌 Operation negative-pressure suction pipe
CN204864233U (en) * 2015-07-13 2015-12-16 深圳市科曼医疗设备有限公司 Negative pressure relief valve and be equipped with negative pressure sputum aspirator of this relief valve
CN205867218U (en) * 2016-04-01 2017-01-11 广东省人民医院 Separation membrance heparin cap connects
CN206228687U (en) * 2016-08-09 2017-06-09 丹阳市人民医院 Operating room blood transfusion device
CN207286405U (en) * 2017-03-06 2018-05-01 曾维富 A kind of venous detaining needle for showing blood back and preventing thrombosis
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
CN209519235U (en) * 2018-12-21 2019-10-22 锦州诺德医疗器械科技有限公司 A kind of calparine cap

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2732260Y (en) * 2004-10-29 2005-10-12 李�浩 Improved venous retention needle
CN101015721A (en) * 2006-02-12 2007-08-15 董中新 Artery-vein catherter preventing blood outflow provided with blood sampling opening
CN202184987U (en) * 2011-05-07 2012-04-11 李林风 Indwelling catheter embolism remover based on negative-pressure suction principle
CN203620006U (en) * 2013-12-13 2014-06-04 祁荣 A safety syringe needle exclusively used for heparin cap
CN203647794U (en) * 2013-12-26 2014-06-18 尹建敏 Safe indwelling needle for blood sampling and transfusing
CN104208770A (en) * 2014-10-10 2014-12-17 胡晓予 Tube sealing injection device avoiding venous indwelling needle blockage
CN204601188U (en) * 2015-03-07 2015-09-02 荆友斌 Operation negative-pressure suction pipe
CN104758997A (en) * 2015-04-17 2015-07-08 南通恒泰医疗器材有限公司 Integrated micro-resistance needle-free anti-counterflow infusion positive pressure connector
CN204864233U (en) * 2015-07-13 2015-12-16 深圳市科曼医疗设备有限公司 Negative pressure relief valve and be equipped with negative pressure sputum aspirator of this relief valve
CN205867218U (en) * 2016-04-01 2017-01-11 广东省人民医院 Separation membrance heparin cap connects
CN206228687U (en) * 2016-08-09 2017-06-09 丹阳市人民医院 Operating room blood transfusion device
CN207286405U (en) * 2017-03-06 2018-05-01 曾维富 A kind of venous detaining needle for showing blood back and preventing thrombosis
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
CN209519235U (en) * 2018-12-21 2019-10-22 锦州诺德医疗器械科技有限公司 A kind of calparine cap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110548220A (en) * 2019-03-25 2019-12-10 张亚平 Covering type self-cleaning heparin cap

Also Published As

Publication number Publication date
CN109481840B (en) 2024-06-18

Similar Documents

Publication Publication Date Title
JP4988602B2 (en) Reciprocating syringe
CN103505176B (en) Length-adjustable endoscope sheath with disposable locking mechanism
US20140249411A1 (en) Tri-ring syringe
CN209519235U (en) A kind of calparine cap
CN109481840A (en) A kind of calparine cap
CN207545169U (en) A kind of intracavitary puncture supporter that puncture needle can be isolated in puncture process
EP2898912B1 (en) Drug administration instrument
CN109700509A (en) A kind of puncture conduit for vascular interventional treatment
CN202096524U (en) Locatable celiac dual-tube rinsing drainage tube
CN209361648U (en) A kind of calparine cap
CN208905878U (en) Blue hole needle injection
CN209645647U (en) A kind of calparine cap
CN209519233U (en) A kind of calparine cap
CN214018913U (en) Medical three-way pipe
CN204017111U (en) Multi-cavity drainage from indwelling irrigating catheter device
CN208822799U (en) Vacuum blood collector
CN209237158U (en) A kind of calparine cap
CN209187765U (en) For assisting in the treatment of the syringe of thyroid cyst
CN202277353U (en) Disposable endoscopic sheath with self-destroying endoscope locking device
CN209519234U (en) A kind of calparine cap
CN106467208B (en) A kind of medicinal alcohol cotton bottle of adjustable tweezers length
CN208710684U (en) A kind of syringe with agitating function
CN210542674U (en) Withdrawing needleless connector
CN208770573U (en) A kind of syringe with bending angle syringe needle
CN2843506Y (en) Hepar abscess postoperative drainage irrigator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20200708

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.

GR01 Patent grant