CN200998484Y - Safe protective cover for injection needle - Google Patents
Safe protective cover for injection needle Download PDFInfo
- Publication number
- CN200998484Y CN200998484Y CNU2007200343168U CN200720034316U CN200998484Y CN 200998484 Y CN200998484 Y CN 200998484Y CN U2007200343168 U CNU2007200343168 U CN U2007200343168U CN 200720034316 U CN200720034316 U CN 200720034316U CN 200998484 Y CN200998484 Y CN 200998484Y
- Authority
- CN
- China
- Prior art keywords
- guard shield
- pedestal
- entry needle
- protective cover
- tooth
- 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 - Lifetime
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a safety protective sleeve for the syringe needle, which comprises a base seat, and a protective cover with an opening at one side. The lower end of the protective cover is hinged with the base seat, a locking mechanism for locking the syringe needle is arranged on the protective cover, and a connecting mechanism matched with the syringe needle is arranged on the base seat. In the utility model, by utilizing the safety protective sleeve and the locking mechanism, before injection, the syringe needle tube is protected; after injection, the accidental damage of the needle tube is avoided, and because the needle tube is locked through lock teeth, the product can not be used, if the safety protective sleeve is forced to be opened, the needle tube can be destroyed and can not be used, thus to realize the real disposable safety using of the disposable safety syringe needle. The utility model is the syringe needle safety protective sleeve with reasonable structure, convenient operation, and high safety.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of entry needle safety protective cover.
Background technology
Constitute by needle tubing, needle stand, connecting portion and sheath with the supporting normal injection pin of syringe in the market, needle tubing and needle stand are bonding and fixing by connecting portion, needle stand has the sheath that is nested with on the outer wall that is fixed on needle stand in addition, before entry needle uses, can protect the needle tubing of entry needle, and can prevent that the needle tubing accident from hurting sb.'s feelings; When in use; the endoporus of entry needle by needle stand to be nested with on the conehead that is fixed on syringe; pull up sheath then; and mostly several people can abandon sheath conveniently; then extract the action of medicament and injection medicament; after injection is finished using; mostly several people can abandon conveniently or a minority recovers sheath, and good facility safe in utilization can't be provided, when cover back stitching lid or cleaning garbage; regular meeting is subjected to the injury of pinprick; allow user produce psychological burden, also allow Treatment of Medical ' Waste person puzzle one's brains, all dangerous on these use; need be improved, to improve medical safety.
Summary of the invention
The purpose of this utility model is at not enough defective of the prior art, provides a kind of can avoiding to reuse, and is provided with the entry needle safety protective cover that prevents by pinprick again.
For achieving the above object; this utility model adopts a kind of entry needle safety protective cover; the entry needle safety protective cover comprises the guard shield of pedestal, a side band opening; the lower end and the pedestal of guard shield are hinged; guard shield is provided with the locking mechanism that entry needle is constituted locking, and pedestal is provided with the bindiny mechanism suitable with entry needle.
This utility model further is set to locking mechanism and comprises the lock tooth that is arranged on the guard shield inside bottom, and the outer tooth that can fix or open the lock tooth that is symmetricly set on the inboard two sides of guard shield, one end of lock tooth exposes guard shield, form lock tooth button, its other end is provided with two with outer tooth close neighbour place and is barb-like interior tooth, two mutual interlocks of interior tooth, at two inboard cavitys that form of interior tooth, Nei Ya constitutes above-mentioned locking mechanism with outer tooth clearance fit.
This utility model further is set to guard shield and pedestal and constitutes hinged linkwork and comprise articulated section that is connected with guard shield, pedestal respectively and the upset support portion that is connected two articulated sections, the opening of guard shield is arranged on the opposite side of the relative linkwork of guard shield, and the opening of guard shield matches with the both sides of pedestal.
This utility model further is set to the inner containing cavity that forms a both ends open on the pedestal, forming the cross section with the guard shield approach end is the open slot of cross, the shape of the shape of open slot and the connecting portion of entry needle is suitable, it is circular hole slot that the pedestal lower end forms the cross section, hole slot upper edge circumference is provided with four symmetric grooves, and the shape of the needle stand outer wall of the shape of hole slot and entry needle is suitable.Constitute above-mentioned bindiny mechanism.
It is 0 ° to 180 ° with respect to the flip angle of the longitudinal center line of pedestal that this utility model further is set to guard shield again.
This utility model is by providing a kind of entry needle safety protective cover; this entry needle safety protective cover locking mechanism comprises the lock tooth that is arranged on the guard shield inside bottom; and the outer tooth that can fix or open the lock tooth that is symmetricly set on the inboard two sides of guard shield; one end of lock tooth exposes guard shield; form lock tooth button; its other end is provided with two with outer tooth close neighbour place and is barb-like interior tooth; two mutual interlocks of interior tooth; at two inboard cavitys that form of interior tooth, Nei Ya and the locking mechanism of outer tooth clearance fit formation to entry needle.Before using entry needle, entry needle is inserted in by needle stand in the hole slot of pedestal, and before extracting medicine (blood) liquid, match with guard shield and make guard shield be in make position in the position of matching of the both sides of the pedestal of safety protective cover, with the needle tubing of protection entry needle, and can prevent that the needle tubing accident from hurting sb.'s feelings; When preparing to extract medicine (blood) liquid, act on external force on the guard shield of safety protective cover, make guard shield pass through of the axial centre alignment side-lower upset of the upset support portion of its linkwork with respect to entry needle, and maintain the angle of upset, expose needle tubing so that syringe is drawn and injection drug (blood) liquid; After injection is finished; act on the lock tooth button that safeguard protection puts with external force; make guard shield pass through of the axial centre alignment side top upset of the upset support portion of its linkwork with respect to entry needle; utilize lock tooth button to open interior tooth simultaneously; when upset is returned to make position or surpasses make position; the entry needle needle tubing is hooked in the barb setting of tooth in utilizing; do the time spent when withdrawing external force; utilize the tooth in the resilience that is provided with of lock tooth button and outer tooth; tooth pins needle tubing in making; and remain closed; needle tubing enters in the cavity of guard shield, can prevent that the needle tubing accident from hurting sb.'s feelings, and Yin Neiya pins needle tubing product can not be opened and used once more; damage needle tubing as the positive opening meeting product can not be used, thereby make disposable entry needle safe in utilization accomplish that really disposable safe uses.This utility model is rational in infrastructure, is a kind of easy to use, and safety is the entry needle safety protective cover preferably.
Description of drawings
Fig. 1 is this utility model embodiment schematic appearance.
Fig. 2 is the F portion enlarged drawing of Fig. 1.
Fig. 3 is the structural representation of this utility model locking mechanism.
Fig. 4 is that this utility model embodiment side is seen figure.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the B-B cutaway view of Fig. 4.
Fig. 7 locks the entry needle schematic flow sheet for this utility model embodiment.
Fig. 8 is this utility model embodiment and entry needle fit structure sketch map.
Fig. 9 is that this utility model embodiment cooperates schematic appearance with entry needle.
Figure 10 destroys the entry needle sketch map for this utility model embodiment.
The specific embodiment
As Fig. 1; 2; 3; 4; 5; shown in 6; this practical specific embodiment is a kind of entry needle safety protective cover; comprise pedestal 1; the guard shield 2 of one side band opening 21; the lower end of guard shield 2 and pedestal 1 are hinged; guard shield 2 is provided with the locking mechanism 4 that entry needle 3 is constituted locking; pedestal 1 is provided with the bindiny mechanism 5 suitable with entry needle 3; locking mechanism 4 comprises the lock tooth 6 that is arranged on guard shield 2 inside bottom; and the outer tooth 7 that can fix or open lock tooth 6 that is symmetricly set on guard shield 2 inboard two sides; one end of lock tooth 6 exposes guard shield 2; form lock tooth button 61; its other end is provided with two with outer tooth 7 close neighbours place and is barb-like interior tooth 62; two interior tooth 62 mutual interlocks, at two interior tooth 62 inboard cavitys 63 that form, interior tooth 62 constitutes locking mechanism 4 with outer tooth 7 clearance fit.Guard shield 2 constitutes hinged linkwork 8 with pedestal 1 and comprises articulated section that is connected with guard shield 2, pedestal 1 respectively and the upset support portion 9 that is connected two articulated sections, the opening 21 of guard shield 2 is arranged on the opposite side of guard shield 2 relative linkworks 8, the opening 21 of guard shield 1 matches with the both sides of pedestal 1, and guard shield 2 is 0 ° to 180 ° with respect to the flip angle of the longitudinal center line of pedestal 1.The inner containing cavity 11 that forms a both ends open on the pedestal 1, forming the cross section with guard shield 2 approach ends is the open slot 12 of cross, the shape of the connecting portion 41 of the shape of open slot 12 and entry needle 4 is suitable, it is circular hole slot 13 that pedestal 1 lower end forms the cross section, hole slot 13 upper edge circumference are provided with four symmetric grooves, the shape of needle stand 42 outer walls of the shape of hole slot 13 and entry needle 4 is suitable, constitutes bindiny mechanism 5.
Shown in Fig. 7,8,9,10, before using entry needle 3, entry needle 3 is inserted in the hole slot 13 of pedestal 1 by needle stand 32, before extracting medicine (blood) liquid, match with guard shield 2 and make guard shield 2 be in make position in the position of matching of the both sides of the pedestal 1 of safety protective cover, with the needle tubing 33 of protection entry needle 3, and can prevent that needle tubing 33 accidents from hurting sb.'s feelings; When preparing to extract medicine (blood) liquid, act on external force on the guard shield 2 of safety protective cover, make guard shield 2 pass through of the axial centre alignment side-lower upset of the upset support portion 9 of its linkwork 8 with respect to entry needle 3, and maintain the angle of upset, expose needle tubing 33 so that syringe is drawn and injection drug (blood) liquid; After injection is finished; act on the lock tooth button 61 that safeguard protection puts with external force; guard shield 2 is overturn with respect to the axial centre alignment side top of entry needle 3 by the upset support portion 9 of its linkwork 8; utilize lock tooth button 61 to open interior tooth 62 simultaneously; when upset is returned to make position or surpasses make position; the needle tubing 33 of entry needle 3 is hooked in the barb setting of tooth 62 in utilizing; do the time spent when withdrawing external force; utilize the tooth 62 in the resilience that is provided with of lock tooth button 61 and outer tooth 21; tooth 62 pins needle tubing 33 in making; and remain closed; needle tubing 33 enters in the cavity 63 of guard shield 2, can prevent that needle tubing 33 accidents from hurting sb.'s feelings, and because of interior tooth 62 pins needle tubings 33 product can not be opened and used once more; damage needle tubing 33 as the positive opening meeting product can not be used, thereby make disposable entry needle safe in utilization accomplish that really disposable safe uses.
Claims (5)
1, a kind of entry needle safety protective cover; it is characterized in that: the entry needle safety protective cover comprises the guard shield (2) of pedestal (1), a side band opening (21); the lower end of guard shield (2) and pedestal (1) are hinged; guard shield (2) is provided with the locking mechanism (4) that entry needle (3) is constituted locking, and pedestal (1) is provided with and the suitable bindiny mechanism (5) of entry needle (3).
2; entry needle safety protective cover according to claim 1; it is characterized in that: described locking mechanism (4) comprises the lock tooth (6) that is arranged on guard shield (2) inside bottom; and the outer tooth (7) that can fix or open lock tooth (6) that is symmetricly set on the inboard two sides of guard shield (2); one end of lock tooth (6) exposes guard shield (2); form lock tooth button (61); its other end is provided with two with outer tooth (7) close neighbour place and is barb-like interior tooth (62); two interior teeth (62) interlock mutually; at the inboard cavity (63) that forms of two interior teeth (62), interior tooth (62) constitutes above-mentioned locking mechanism (4) with outer tooth (7) clearance fit.
3, entry needle safety protective cover according to claim 1 and 2; it is characterized in that: described guard shield (2) constitutes hinged linkwork (8) with pedestal (1) and comprises articulated section that is connected with guard shield (2), pedestal (1) respectively and the upset support portion (9) that is connected two articulated sections; the opening (21) of guard shield (2) is arranged on the opposite side of the relative linkwork (8) of guard shield (2), and the opening (21) of guard shield (1) matches with the both sides of pedestal (1).
4; entry needle safety protective cover according to claim 1 and 2; it is characterized in that: described pedestal (1) is gone up the inner containing cavity (11) that forms a both ends open; forming the cross section with guard shield (2) approach end is the open slot (12) of cross; the shape of the connecting portion (41) of the shape of open slot (12) and entry needle (4) is suitable; it is circular hole slot (13) that pedestal (1) lower end forms the cross section; hole slot (13) upper edge circumference is provided with four symmetric grooves; the shape of needle stand (42) outer wall of the shape of hole slot (13) and entry needle (4) is suitable, constitutes above-mentioned bindiny mechanism (5).
5, entry needle safety protective cover according to claim 3 is characterized in that: described guard shield (2) is 0 ° to 180 ° with respect to the flip angle of the longitudinal center line of pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200343168U CN200998484Y (en) | 2007-01-31 | 2007-01-31 | Safe protective cover for injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200343168U CN200998484Y (en) | 2007-01-31 | 2007-01-31 | Safe protective cover for injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200998484Y true CN200998484Y (en) | 2008-01-02 |
Family
ID=39012890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200343168U Expired - Lifetime CN200998484Y (en) | 2007-01-31 | 2007-01-31 | Safe protective cover for injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200998484Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405831A (en) * | 2012-10-30 | 2013-11-27 | 张林锋 | Safety syringe |
| WO2014032383A1 (en) * | 2012-08-31 | 2014-03-06 | 浙江康德莱医疗器械股份有限公司 | Safety injection needle jacket |
| CN103908267A (en) * | 2014-03-26 | 2014-07-09 | 温州市贝普科技有限公司 | Safe blood taking needle |
| CN105664303A (en) * | 2014-11-17 | 2016-06-15 | 上海康德莱企业发展集团股份有限公司 | Safe type insulin syringe |
| CN108744156A (en) * | 2018-06-20 | 2018-11-06 | 安徽宏宇五洲医疗器械股份有限公司 | Safe injection needle |
-
2007
- 2007-01-31 CN CNU2007200343168U patent/CN200998484Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014032383A1 (en) * | 2012-08-31 | 2014-03-06 | 浙江康德莱医疗器械股份有限公司 | Safety injection needle jacket |
| CN103405831A (en) * | 2012-10-30 | 2013-11-27 | 张林锋 | Safety syringe |
| CN103405831B (en) * | 2012-10-30 | 2015-07-08 | 张林锋 | Safety syringe |
| CN103908267A (en) * | 2014-03-26 | 2014-07-09 | 温州市贝普科技有限公司 | Safe blood taking needle |
| CN105664303A (en) * | 2014-11-17 | 2016-06-15 | 上海康德莱企业发展集团股份有限公司 | Safe type insulin syringe |
| CN108744156A (en) * | 2018-06-20 | 2018-11-06 | 安徽宏宇五洲医疗器械股份有限公司 | Safe injection needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080102 |