CN205379523U - Lapse formula safety needle cover device - Google Patents
Lapse formula safety needle cover device Download PDFInfo
- Publication number
- CN205379523U CN205379523U CN201521135560.4U CN201521135560U CN205379523U CN 205379523 U CN205379523 U CN 205379523U CN 201521135560 U CN201521135560 U CN 201521135560U CN 205379523 U CN205379523 U CN 205379523U
- Authority
- CN
- China
- Prior art keywords
- needle
- syringe needle
- sleeve device
- formula safety
- syringe
- 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a lapse formula safety needle cover device. The device contains syringe needle base and needle cover, the syringe needle base contains and is used for the syringe needle connecting portion be connected with outside syringe needle, and the syringe needle base is connected via the linkage segment to the near -end of its needle cover, and the needle cover forms needle cover opening by the long -range of near -end to needle cover in the avris along the directaxis to by needle cover opening toward the inside syringe needle accommodation space that forms of needle cover, wherein the needle overlaps and forms the section of bulldozing in a turn department slant of near -end to needle cover in vertical axis extend, and the needle cover forms lapse section to long -range along vertical axis extend by turn department. The utility model discloses when medical personnel operate, can press down the section of bulldozing by stage and pass the section and come the lid to close the syringe needle, and the risk that effectual reduction was wounded by stabbing.
Description
Technical field
This utility model relates to a kind of safety needle sleeve device, particularly relates to a kind of passage formula safety needle sleeve device.
Background technology
For avoiding medical personnel to be wounded by stabbing when covering syringe needle, increasing medical institutions are had to adopt conventional security needle set 1 as shown in Figure 1.One end system of its needle guard of safe needle set 1 of this type is directly connected on syringe.And after using, medical personnel 2 cover syringe needle through pressing needle guard, reclaim so that syringe needle is fixed in needle guard.Owing to existing needle guard adopts straight list structure more, therefore can effectively cover point of application PF position system position needle guard long-range of needle guard.
Refer to Fig. 2, owing to each medical personnel grip angle difference, and safe needle set manufactures the factor impacts such as precision, therefore the needle guard of the safe needle set 1 of part can hence deviate from syringe needle direction when covering, make syringe needle fail inside safe entrance needle guard, allow the operation finger of the needle sting medical personnel exposed.
In sum, how providing a kind of technological means solving above-mentioned technical problem is that this area is needed badly and solved the technical problem that.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is in that to provide a kind of passage formula safety needle sleeve device.This device sectional presses to avoid medical personnel by needle sting.
For achieving the above object, this utility model is by the following technical solutions:
A kind of passage formula safety needle sleeve device, comprises:
Syringe needle pedestal, comprises the syringe needle connecting portion for being connected with outside syringe needle；
Needle guard, the near-end of this needle guard connects this syringe needle pedestal via linkage section, this needle guard longitudinally axis is formed needle guard opening by the avris that is remote from of this near-end to this needle guard, and syringe needle accommodation space should be internally formed from this needle guard opening toward this needle guard, wherein this needle guard extends to form pushing section in this longitudinal axis in a turning point of this near-end to this needle guard is oblique, and this needle guard is also remotely extended to form passage section along this longitudinal axis by this turning point to this.
Wherein this near-end to this turning point is projected on the length length more than this its linkage section of syringe needle of this longitudinal axis.This needle guard opening is convergent by the width of this near-end to this turning point.This needle guard tilts to extend to form pushing section toward this needle guard opening direction in this near-end to this turning point.
Under covering pattern, this needle guard moves toward this syringe needle pedestal with this linkage section for axle, makes this near-end contiguous or this syringe needle pedestal of fitting.The near-end of this needle guard forms buffer part further, when fitting this syringe needle pedestal, and buffering open-close dynamics.This buffer part is orthogonal with the contact surface of this syringe needle pedestal or nearly orthogonal is in this longitudinal axis.Wherein this contact surface comprises plane.
Wherein needle guard is opened on the width of this near-end is less than the width with this syringe needle base contact face.Wherein the axis of this pushing section has the first angle with the axis of this passage section, and this first angle is obtuse angle.Wherein this needle guard opening system is opened in the avris being adjacent to this syringe needle pedestal.
The inwall of this needle guard is internally formed at least one fixed part toward this needle guard further, and respectively this fixed part forms acute angle with this inwall.This pushing section is used for configuring the press points position of this needle guard in the ratio of this needle guard.
Wherein this syringe needle connecting portion is located at the jut in this syringe needle pedestal one side, the shape in the linkage section of this syringe needle is mated in the shape system of this jut, wherein the first opening of the another side of this syringe needle pedestal to this syringe needle connecting portion one end the second opening between form run-though space, the wherein shape of dispensing end of the shape system coupling outer injectors of this run-though space.
Wherein this syringe needle connecting portion is the perforation for plugging this its linkage section of syringe needle.This perforation inwall is provided with screw thread, combines for this linkage section with this syringe needle.
Wherein this syringe needle pedestal is provided with a press section, this press section and this needle guard are located at thumb and the forefinger of the position respective operations personnel respectively of this syringe needle pedestal, wherein the avris of this syringe needle pedestal is provided with trip, and this trip is for being snapped in the connecting portion opening of outside needle holder.This needle guard is located at the position of this syringe needle pedestal and is positioned at left side or the right side of this press section.
In sum, needle guard of the present utility model is by the point of application of the section of pushing and the structural change needle guard of passage section, and when user covers syringe needle by segmentation pressing pushing section and passage section, can effectively reduce the risk being wounded by stabbing.
Accompanying drawing explanation
Fig. 1 is one of traditional operation chart of safety needle sleeve device.
Fig. 2 is the two of the operation chart of traditional safety needle sleeve device.
Fig. 3 is the passage formula safety needle sleeve device schematic perspective view of this utility model first embodiment.
Fig. 4 is the passage formula safety needle sleeve device schematic perspective view of this utility model the second embodiment.
Fig. 5 is the passage formula safety needle sleeve device schematic perspective view of this utility model the 3rd embodiment.
Fig. 6 is the floor map of this utility model needle guard.
Fig. 7 is one of operation chart of this utility model first embodiment passage formula safety needle sleeve device.
Fig. 8 is the two of the operation chart of this utility model first embodiment passage formula safety needle sleeve device.
Fig. 9 is the operation chart of this utility model the 3rd embodiment passage formula safety needle sleeve device.
nullWherein，1 is conventional security needle set，2 is finger，PF is the point of application，3 passage formula condom devices，30 is syringe needle pedestal，301 is run-though space，302 is trip，303 is press section，31 is the first opening，310 is perforation，32 is syringe needle connecting portion，320 is the second opening，33 is linkage section，34 is needle guard，340 is near-end，341 is long-range，342 is turning point，343 for pushing section，344 is passage section，35 is fixed part，4 is syringe needle，5 is syringe，6 is finger，7 is needle holder，71 is connecting portion opening，8 is bidirectional needle，81 is the first needle section，82 is bidirectional needle linkage section，83 is the second needle section，9 is negative pressure harvester，H1 is first paragraph，H2 is second segment，H3 is the 3rd section，PX is for pushing section axis，MX is passage section axis，Lx is longitudinal axis，θ 1 is the first angle.
Detailed description of the invention
Below in conjunction with accompanying drawing by description specific embodiment so that enforcement state of the present utility model to be described.
Embodiment one
Referring to Fig. 3 and Fig. 6, it is the floor map of the schematic perspective view of passage formula safety needle sleeve device of this utility model first embodiment and needle guard.Described passage formula safety needle sleeve device 3 comprises syringe needle pedestal 30, syringe needle connecting portion 32 and needle guard 34, described syringe needle connecting portion 32 is the jut being located in syringe needle pedestal 30 one side, the shape being shaped as in coupling its linkage section of syringe needle of jut, wherein form run-though space 301 between second opening 320 of first opening 31 to syringe needle connecting portion 32 one end of the another side of syringe needle pedestal 30, wherein the shape of the dispensing end being shaped as coupling outer injectors of run-though space 301.The near-end 340 of needle guard 34 is via linkage section 33 connecting needle pedestal 30.Needle guard 34 longitudinally axis Lx is formed the opening of needle guard 34 by long-range the 341 of near-end 340 to needle guard 34 in avris, and is internally formed syringe needle 4 accommodation space from the opening of needle guard 34 toward needle guard 34.Wherein needle guard 34 is that the oblique direction in longitudinal axes L x extends to form pushing section 343 in the turning point 342 of near-end 340 to needle guard 34, and is extended to form passage section 344 by turning point 342 to long-range 341 along longitudinal axes L x again.In other words, described needle guard 34 pushes section 343 in the turning point 342 of near-end 340 to needle guard 34 for tilting to extend to form toward needle guard opening direction.
Refer to Fig. 6, near-end 340 to turning point 342 length being projected on longitudinal axes L x is defined as first paragraph h1, the length of near-end 340 to turning point 342 be defined as second segment h2, the length of turning point 342 to long-range 341 be defined as the 3rd section of h3.The length of first paragraph h1 is more than the length of the linkage section of syringe needle.Wherein the opening of needle guard 34 is by the width system convergent of near-end 340 to turning point 342 (second segment h2), as shown in Figure 3.
Described passage formula safety needle sleeve device 3 is in time covering under pattern, and needle guard 34 moves toward syringe needle pedestal 30 direction with linkage section 33 for axle, so that near-end 340 is contiguous or laminating syringe needle pedestal 30.The described pushing section 343 ratio on needle guard 34 is for configuring the position of the press points of this needle guard 34.It is less than the width with syringe needle pedestal 30 contact surface that needle guard is opened on the width of near-end 340.Near-end 340 forms a buffer part further, with in laminating syringe needle pedestal 30 times, buffering open-close dynamics.And the selectable planar structure that comprises of contact surface of buffer part and syringe needle pedestal 30, and orthogonal or nearly orthogonal is in longitudinal axes L x.In another embodiment, the passage section axis MX of the pushing section axis PX and passage section 344 that push section 343 has the first angle theta 1.In preferred embodiment, the first described angle theta 1 is obtuse angle.
Described needle guard opening is the avris being opened in and being adjacent to syringe needle pedestal 30.Needle guard 34 is more at least one fixed part 35 that is internally formed toward needle guard 34 of inwall, and each fixed part 35 forms the second angle with inwall.In preferred embodiment, the second described angle system is acute angle.
The length of first paragraph h1 be 1.2cm, second segment h2 length be 1.5cm, the 3rd section of h3 length be 3.7cm, precisely because ratio and size are not subject to the limits.
Embodiment two
Referring to Fig. 4, it is the schematic perspective view of passage formula safety needle sleeve device of this utility model the second embodiment.Second embodiment is similar to first embodiment, precisely because difference is in that the syringe needle connecting portion 32 of the second embodiment is offer the perforation 310 formed from the first opening 31 toward another side.Described perforation 310 inwall is provided with screw thread, to have the use of threaded needle combination with linkage section.
Embodiment three
Referring to Fig. 5, it is passage formula safety needle sleeve device 3 schematic perspective view of this utility model the 3rd embodiment.The needle guard 34 of the 3rd embodiment is identical with the needle guard 34 of first embodiment, and the syringe needle pedestal 30 of the 3rd embodiment is provided with a run-though space 301 to plug syringe needle, and is provided with a press section 303 in avris.Position on syringe needle pedestal 30, the described press section 303 and the needle guard 34 position system on syringe needle pedestal 30 corresponds respectively to thumb and the forefinger of operator.Additionally, the avris of syringe needle pedestal 30 is provided with the trip 302 (Fig. 9) of the connecting portion opening 71 for being snapped in outside needle holder 7.Further illustrating, described needle guard 34 is located at the left side (with left hand for manipulator) being positioned at press section 303 or right side (with the right hand for manipulator) that the position of syringe needle pedestal 30 can be selection.
Please referring next to Fig. 7 and Fig. 8, it is the operation chart of passage formula safety needle sleeve device of this utility model first embodiment.The dispensing end of syringe 5 plugs the first opening 31 putting passage formula safety needle sleeve device 3, and syringe needle connecting portion 32 is then the linkage section inserting syringe needle 4.Referring to Fig. 7, after needle set uses, medical personnel can exert a force pushing section 343 position to cover syringe needle 4, and when the buffer part of near-end 340 conforms to syringe needle pedestal 30, is limited by the effect of buffer part so that needle guard 34 only can cover the syringe needle 4 of part.And medical personnel are after the part confirming syringe needle 4 has carried out the syringe needle accommodation space of needle guard 3, just finger 6 can be slided to passage section 344 to press needle guard 34 via pushing section 343, as shown in Figure 8, to allow needle guard 34 cover syringe needle 4 completely.When the entrance syringe needle 4 accommodation space resilience again of syringe needle 4 degree of depth, fixed part 35 can steadily clasp syringe needle 4 with the second angle within needle guard 34, is surely fixed in needle guard 34 by syringe needle 4.
Referring to Fig. 9, it is the operation chart of passage formula safety needle sleeve device 3 of this utility model the 3rd embodiment.The run-though space 301 of the passage formula safety needle sleeve device 3 of the 3rd embodiment is for plugging bidirectional needle 8.First needle section 81 of bidirectional needle 8 is the use as injection.It is the second needle section 83 is inserted in run-though space 301 to allow bidirectional needle linkage section 82 block the opening of run-though space 301 when combination.Then the trip 302 recycling syringe needle pedestal 30 is embedded in the connecting portion opening 71 of needle holder 7.When blood need to be gathered, what the first needle section 81 can be inserted to sufferer by medical personnel takes blood place, and negative pressure harvester 9 is inserted in needle holder 7, to allow the second needle section 83 insert in negative pressure harvester 9, by negative pressure harvester 9 with the pressure differential in patient by pump blood to negative pressure harvester 9.After blood sampling operation to be done, medical personnel first pull out negative pressure harvester 9, then needle guard 34 is pushed to fasten syringe needle 4 toward bidirectional needle 8 direction, and press assembly that bidirectional needle 8 and passage formula safety needle sleeve device 3 form by press section 303 and needle holder 7 is easily separated.
Above-listed detailed description is illustrating for a possible embodiments of the present utility model, only this embodiment be not used to limit the scope of the claims of the present utility model, all equivalences done without departing from this creation skill spirit are implemented or change, and are intended to be limited solely by the scope of the claims of this case.
Claims (18)
1. a passage formula safety needle sleeve device, it is characterised in that comprise:
Syringe needle pedestal, comprises the syringe needle connecting portion for being connected with outside syringe needle；
Needle guard, the near-end of this needle guard connects this syringe needle pedestal via linkage section, this needle guard longitudinally axis is formed needle guard opening by the avris that is remote from of this near-end to this needle guard, and syringe needle accommodation space should be internally formed from this needle guard opening toward this needle guard, wherein this needle guard extends to form pushing section in this longitudinal axis in a turning point of this near-end to this needle guard is oblique, and this needle guard is also remotely extended to form passage section along this longitudinal axis by this turning point to this.
2. passage formula safety needle sleeve device according to claim 1, it is characterised in that wherein this near-end to this turning point is projected on the length length more than this its linkage section of syringe needle of this longitudinal axis.
3. passage formula safety needle sleeve device according to claim 1, it is characterised in that wherein this needle guard opening is convergent by the width of this near-end to this turning point.
4. passage formula safety needle sleeve device according to claim 1, it is characterised in that wherein this needle guard tilts to extend to form pushing section toward this needle guard opening direction in this near-end to this turning point.
5. passage formula safety needle sleeve device according to claim 1, it is characterised in that under covering pattern, this needle guard moves toward this syringe needle pedestal with this linkage section for axle, makes this near-end contiguous or this syringe needle pedestal of fitting.
6. passage formula safety needle sleeve device according to claim 5, it is characterised in that wherein the near-end of this needle guard forms buffer part further, when fitting this syringe needle pedestal, buffering open-close dynamics.
7. passage formula safety needle sleeve device according to claim 6, it is characterised in that wherein this buffer part is orthogonal with the contact surface of this syringe needle pedestal or nearly orthogonal is in this longitudinal axis.
8. passage formula safety needle sleeve device according to claim 7, it is characterised in that wherein this contact surface comprises plane.
9. passage formula safety needle sleeve device according to claim 6, it is characterised in that wherein needle guard is opened on the width of this near-end is less than the width with this syringe needle base contact face.
10. passage formula safety needle sleeve device according to claim 1, it is characterised in that wherein the axis of this pushing section has the first angle with the axis of this passage section, and this first angle is obtuse angle.
11. passage formula safety needle sleeve device according to claim 1, it is characterised in that wherein this needle guard opening system is opened in the avris being adjacent to this syringe needle pedestal.
12. passage formula safety needle sleeve device according to claim 1, it is characterised in that the inwall of this needle guard is internally formed at least one fixed part toward this needle guard further, respectively this fixed part forms acute angle with this inwall.
13. passage formula safety needle sleeve device according to claim 1, it is characterised in that wherein this pushing section is used for configuring the press points position of this needle guard in the ratio of this needle guard.
14. passage formula safety needle sleeve device according to claim 1, it is characterized in that, wherein this syringe needle connecting portion is located at the jut in this syringe needle pedestal one side, the shape in the linkage section of this syringe needle is mated in the shape system of this jut, wherein the first opening of the another side of this syringe needle pedestal to this syringe needle connecting portion one end the second opening between form run-though space, the wherein shape of dispensing end of the shape system coupling outer injectors of this run-though space.
15. passage formula safety needle sleeve device according to claim 1, it is characterised in that wherein this syringe needle connecting portion is the perforation for plugging this its linkage section of syringe needle.
16. passage formula safety needle sleeve device according to claim 15, it is characterised in that wherein this perforation inwall is provided with screw thread, combine for this linkage section with this syringe needle.
17. passage formula safety needle sleeve device according to claim 1, it is characterized in that, wherein this syringe needle pedestal is provided with a press section, this press section and this needle guard are located at thumb and the forefinger of the position respective operations personnel respectively of this syringe needle pedestal, wherein the avris of this syringe needle pedestal is provided with trip, and this trip is for being snapped in the connecting portion opening of outside needle holder.
18. passage formula safety needle sleeve device according to claim 17, it is characterised in that wherein this needle guard is located at the position of this syringe needle pedestal and is positioned at left side or the right side of this press section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135560.4U CN205379523U (en) | 2015-12-31 | 2015-12-31 | Lapse formula safety needle cover device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135560.4U CN205379523U (en) | 2015-12-31 | 2015-12-31 | Lapse formula safety needle cover device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205379523U true CN205379523U (en) | 2016-07-13 |
Family
ID=56348162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521135560.4U Expired - Fee Related CN205379523U (en) | 2015-12-31 | 2015-12-31 | Lapse formula safety needle cover device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205379523U (en) |
-
2015
- 2015-12-31 CN CN201521135560.4U patent/CN205379523U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20181231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |