CN209500446U - Syringe - Google Patents

Syringe Download PDF

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Publication number
CN209500446U
CN209500446U CN201820202066.2U CN201820202066U CN209500446U CN 209500446 U CN209500446 U CN 209500446U CN 201820202066 U CN201820202066 U CN 201820202066U CN 209500446 U CN209500446 U CN 209500446U
Authority
CN
China
Prior art keywords
syringe
needle
syringe needle
socket tube
needle guard
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
Application number
CN201820202066.2U
Other languages
Chinese (zh)
Inventor
徐鸿明
胡斐
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.)
Cixi People's Hospital
Original Assignee
Cixi People's Hospital
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 Cixi People's Hospital filed Critical Cixi People's Hospital
Priority to CN201820202066.2U priority Critical patent/CN209500446U/en
Application granted granted Critical
Publication of CN209500446U publication Critical patent/CN209500446U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of syringes, including syringe, syringe needle and needle guard, syringe needle and syringe is detachable connects, portal with syringe needle the needle guard front end, syringe needle is set in needle guard, the flexible restoring organ for promoting the inside retraction syringe needle of syringe needle to portal is provided between syringe needle and needle guard, syringe needle by retraction syringe needle interior under external force within not portalled, syringe needle connector sleeve inner hole connect with the output end sleeve of syringe front end and connects inner hole, needle guard and syringe are socketed, syringe needle ejects the syringe needle by syringe front end outward and portals when syringe needle connector sleeve inner hole is connect with the output end sleeve of syringe front end.When the syringe needle of the syringe is not with syringe grafting; syringe needle is acted on retraction within the syringe needle of needle guard portals by flexible restoring organ; enclosure and protection of the syringe needle by needle guard; syringe needle is avoided to stab people; and when syringe needle and needle guard and syringe are socketed; other than the output end of syringe front end portals with the grafting of syringe needle connector sleeve and by needle forward ejection syringe needle, it can be used for normal injection at this time.

Description

Syringe
Technical field
The utility model relates to a kind of syringes.
Background technique
Current syringe used in hospital includes syringe, syringe needle and needle cap three parts, leans on needle cap will under normal circumstances Syringe needle is built to prevent damage, but because syringe needle and needle cap are too thin, more holds during returning set needle cap after having used syringe needle instead Easily user is allowed to be damaged, and medical institutions uniformly collect in the case where syringe needle is usually in exposure at present, this So that the staff collected is easy to damage oneself, and it is important that used syringe needle may have the blood of patient Various infective virus in liquid.
Utility model content
In view of the deficiency of background technique, the technical problem to be solved by the utility model is to provide a kind of syringe, the notes The syringe needle of emitter automatically interior after syringe needle is detached from syringe can be reduced in needle guard.
For this purpose, syringe provided by the utility model, including syringe, syringe needle and needle guard, syringe needle and syringe is detachable leads It connects, the needle guard front end is portalled with syringe needle, and syringe needle is set in needle guard, is provided between the syringe needle and needle guard and is promoted syringe needle The flexible restoring organ that inside retraction syringe needle portals, the syringe needle not under by external force state interior retraction syringe needle portal with Interior, the syringe needle connector sleeve inner hole connect and connects inner hole with the output end sleeve of syringe front end, and the needle guard and syringe are socketed, The syringe needle connector sleeve inner hole is described in the syringe needle is ejected outward by syringe front end when connecting with the output end sleeve of syringe front end Syringe needle portals.
The technical effect of the utility model: when the syringe needle of the syringe is not with syringe grafting, syringe needle is by flexible restoring organ Effect retraction portal in the syringe needle of needle guard in, enclosure and protection of the syringe needle by needle guard, avoidable syringe needle stab people at this time, and When syringe needle and needle guard and syringe are socketed, needle forward is simultaneously ejected syringe needle by the output end of syringe front end and the grafting of syringe needle connector sleeve Other than portalling, it can be used for normal injection at this time.The syringe can avoid syringe needle from making under the premise of not influencing normal use Manpower is stabbed after, and then disease caused by stabbing because of syringe needle is avoided to infect.
Detailed description of the invention
Fig. 1 is the separate structure schematic diagram for the syringe that the first embodiment of the utility model provides.
Fig. 2 is the structural schematic diagram under the syringe socket state in Fig. 1.
Fig. 3 is the separate structure schematic diagram for the syringe that second of embodiment of the utility model provides.
Specific embodiment
Referring to shown in Fig. 3, the syringe that the first embodiment of the utility model provides, including syringe 1, syringe needle 2 and needle guard 3, syringe needle 2 and syringe 1 is detachable connects, 3 front end of needle guard portals 4 with syringe needle, and syringe needle 2 is set in needle guard 3, described The flexible restoring organ for promoting the inside retraction syringe needle of syringe needle 2 to portal 4, the elastic reset machine are provided between syringe needle 2 and needle guard 3 Structure includes that the ring-shaped step 7 that the lower ring catch 6 for being set to syringe needle connector sleeve 5,3 lower part of the needle guard have and covering connects in syringe needle The pressure spring 8 of female connector 5,8 upper end of pressure spring withstand on 7 upper and lower end of ring-shaped step and withstand on lower ring catch 6;The syringe needle 2 is not by outer Interior retraction syringe needle portals within 4 under power active state, and 9 sleeve of output end of 5 inner hole of syringe needle connector sleeve and 1 front end of syringe connects Inner hole is connect and connects, the needle guard 3 is socketed with syringe 1,9 sleeve of output end of 5 inner hole of syringe needle connector sleeve and 1 front end of syringe The syringe needle 2 ejects the syringe needle by 1 front end of syringe outward and portals 4 when connection.In the present embodiment, 1 front end of syringe have with The delivery end 9 that syringe needle connector sleeve 5 is socketed, 9 periphery of delivery end are provided with socket tube 10, and the needle guard 3 connects with 10 sleeve of socket tube Connect, 3 sleeve of needle guard when being connected on socket tube 10 delivery end overcome the pretightning force of the flexible restoring organ by institute It states syringe needle 2 and is ejected forward the syringe needle of 10 front end of socket tube and portal other than 4, to ensure being bonded for needle guard 3 and socket tube 10: needle It covers with latch 11 on 3 rear end inner walls, 10 outer wall of socket tube of the syringe 1 has and the matched annular slot of the latch 11 12, annular slot 12 have towards open front and for the notch 13 that latch is deviate from forward, the needle guard 3 is inserted in the socket tube The latch 11 enters from the notch 13 when on 10, and the needle guard 3 completes the connection with the socket tube 10 after rotating.
Referring to shown in Fig. 3, needle guard 3 is dropped out when being detached from syringe 1 in order to avoid syringe needle 2,3 posterior medial of needle guard has ring Shape block piece 14,14 center of ring catch have the centre bore 15 passed through for the output end 9 of the syringe 1, and the output end 9 is inserted Enter the formation of syringe needle connector sleeve 5 to connect, the diameter for the lower ring catch 6 having on the syringe needle connector sleeve 5 is greater than in described Heart hole 1 is to prevent syringe needle 2 from deviating from the needle guard 3 from rear portion.
Shown in reference picture 1, Fig. 2, second of embodiment of the utility model and the first embodiment are essentially identical, and difference only exists In: 3 rear end of needle guard has threaded joints 17, and the inner hole of threaded joints 17 has internal screw thread, 10 band of socket tube There is external screw thread 18, the threaded joints 17 of needle guard 3 are threadedly coupled with socket tube 10, the threaded joints 17 and 10 spiral shell of socket tube The syringe needle 2 is ejected forward the syringe needle and portals 4 after line connection.
The connection scheme of the socket tube 10 of two kinds of needle guards 3 and 1 front end of syringe is provided in the utility model, because of the connection knot The embodiment of structure is there are also very much, such as socket tube 10 and 3 sleeve close-fitting of needle guard, no longer enumerated here, but because thinking practical The novel connection scheme for being not limited to above two needle guard 3 and the socket tube 10 of 1 front end of syringe.

Claims (10)

1. a kind of syringe, including syringe, syringe needle and needle guard, syringe needle and syringe is detachable connects, it is characterized in that: the needle guard Front end is portalled with syringe needle, and syringe needle is set in needle guard, is provided between the syringe needle and needle guard and is promoted the inside retraction needle of syringe needle The flexible restoring organ that head portals, the syringe needle is not within interior retraction syringe needle portals under by external force state, syringe needle connection Set inner hole connect and connects inner hole with the output end sleeve of syringe front end, and the needle guard and syringe are socketed, syringe needle connector sleeve inner hole The syringe needle ejects the syringe needle by syringe front end outward and portals when connecting with the output end sleeve of syringe front end.
2. syringe according to claim 1, it is characterized in that: the flexible restoring organ includes being set to syringe needle connector sleeve Lower ring catch, the ring-shaped step that has of the needle guard lower part and cover the pressure spring in syringe needle connector sleeve, pressure spring upper end withstands on ring Shape step upper and lower end is withstood on lower ring catch.
3. syringe according to claim 1 or 2, it is characterized in that: syringe front end is defeated with being socketed with syringe needle connector sleeve Sending end, delivery end periphery are provided with socket tube, and the needle guard is connect with socket tube sleeve, and the needle guard sleeve is connected to socket tube The delivery end overcomes the pretightning force of the flexible restoring organ by the syringe needle of the needle forward ejection socket tube front end when upper Other than portalling.
4. syringe according to claim 3, it is characterized in that: the needle guard posterior medial has ring catch, annular gear Part center has the centre bore passed through for the output end of the syringe, and the output end is inserted into the syringe needle connector sleeve formation and leads It connects, the wing plate of the centre bore is greater than on the syringe needle connector sleeve with diameter to prevent syringe needle from deviating from the needle guard from rear portion.
5. syringe according to claim 3, it is characterized in that: having latch, the syringe on the inner wall of the needle guard rear end Socket tube outer wall have with the matched annular slot of the latch, annular slot have towards open front and for latch forward The notch of abjection, the needle guard when being inserted on the socket tube latch enter from the indentation, there, after needle guard rotation Complete the connection with the socket tube.
6. syringe according to claim 4, it is characterized in that: having latch, the syringe on the inner wall of the needle guard rear end Socket tube outer wall have with the matched annular slot of the latch, annular slot have towards open front and for latch forward The notch of abjection, the needle guard when being inserted on the socket tube latch enter from the indentation, there, after needle guard rotation Complete the connection with the socket tube.
7. syringe according to claim 3 is threadedly coupled it is characterized in that: the needle guard rear end has threaded joints The inner hole in portion has internal screw thread, and the socket tube has external screw thread, and the threaded joints of needle guard are threadedly coupled with socket tube, described Threaded joints after being threadedly coupled with socket tube the syringe needle be ejected forward the syringe needle and portalled.
8. syringe according to claim 4 is threadedly coupled it is characterized in that: the needle guard rear end has threaded joints The inner hole in portion has internal screw thread, and the socket tube has external screw thread, and the threaded joints of needle guard are threadedly coupled with socket tube, described Threaded joints after being threadedly coupled with socket tube the syringe needle be ejected forward the syringe needle and portalled.
9. syringe according to claim 5 is threadedly coupled it is characterized in that: the needle guard rear end has threaded joints The inner hole in portion has internal screw thread, and the socket tube has external screw thread, and the threaded joints of needle guard are threadedly coupled with socket tube, described Threaded joints after being threadedly coupled with socket tube the syringe needle be ejected forward the syringe needle and portalled.
10. syringe according to claim 5 is threadedly coupled it is characterized in that: the needle guard rear end has threaded joints The inner hole in portion has internal screw thread, and the socket tube has external screw thread, and the threaded joints of needle guard are threadedly coupled with socket tube, described Threaded joints after being threadedly coupled with socket tube the syringe needle be ejected forward the syringe needle and portalled.
CN201820202066.2U 2018-02-06 2018-02-06 Syringe Expired - Fee Related CN209500446U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820202066.2U CN209500446U (en) 2018-02-06 2018-02-06 Syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820202066.2U CN209500446U (en) 2018-02-06 2018-02-06 Syringe

Publications (1)

Publication Number Publication Date
CN209500446U true CN209500446U (en) 2019-10-18

Family

ID=68185515

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820202066.2U Expired - Fee Related CN209500446U (en) 2018-02-06 2018-02-06 Syringe

Country Status (1)

Country Link
CN (1) CN209500446U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191018

CF01 Termination of patent right due to non-payment of annual fee