CN203400377U - Puncture preventing injection needle - Google Patents
Puncture preventing injection needle Download PDFInfo
- Publication number
- CN203400377U CN203400377U CN201320500276.7U CN201320500276U CN203400377U CN 203400377 U CN203400377 U CN 203400377U CN 201320500276 U CN201320500276 U CN 201320500276U CN 203400377 U CN203400377 U CN 203400377U
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- China
- Prior art keywords
- needle
- elastic arm
- cylindrical wall
- stabbing
- baffle plate
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- Expired - Lifetime
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Abstract
The utility model discloses a puncture preventing injection needle which comprises a needle body and a needle base. The puncture preventing injection needle is provided with a container and a spiral tension spring. The container comprises an outer shell and a safety cap, the outer shell comprises a cylindrical wall and an end plate, a needle hole is formed in the end plate, and the safety cap is arranged on the inner side of the end plate and comprises a stop plate and an elastic arm. When the elastic arm is in the free state, one lateral side of the stop plate is connected with the inner wall of the cylindrical wall in an elastic contact mode, and the needle hole is shielded with the stop plate. In the state that the needle body penetrates into the needle hole, the lateral side of the stop plate is not in contact with the inner wall of the cylindrical wall, and the spiral tension spring and the needle body are coaxially arranged. When the spiral tension spring is in the free state, the container is in contact with the needle base, and the needle body penetrates through the needle hole. After the puncture preventing injection needle is used, the container is arranged at the position of a needle point, the needle body is retreated from the needle hole, and the needle hole is shielded with the stop plate. By means of the puncture preventing injection needle, the needle point can be prevented by the container from penetrating out of the needle hole after the puncture preventing injection needle is used, the accident that a person is punctured with the puncture preventing injection needle is avoided, the puncture preventing function is reliable, and the benefits are remarkable.
Description
Technical field
This utility model relates to a kind of entry needle, particularly a kind of Anti-stabbing entry needle.
Background technology
Current entry needle is subject to patient's humoral pollution after using.Because the sheath of the entry needle after using abandons, in overall process at the entry needle of using as medical waste circulation, sharp needle point is always exposed, once needle point is stabbed the related personnel such as medical worker, medical waste treatment people, will cause all kinds of body fluid communication transmissions of disease dangerous, produce serious doctor source security incident.The structure of entry needle that is provided with at present Anti-stabbing device is too complicated, and manufacturing cost is high, cannot promote the use of.
Utility model content
For the structure that solves the entry needle that is provided with at present Anti-stabbing device is too complicated, manufacturing cost is high, and the problem that cannot promote the use of the utility model proposes a kind of Anti-stabbing entry needle, and the technical scheme adopting is:
Anti-stabbing entry needle, comprise needle body and needle stand, collector and spiral tension spring are set, collector comprises shell and safety helmet, shell comprises cylindrical wall and end plate, cylindrical wall is tubular structure, one end of cylindrical wall is fixedly installed end plate, end plate covers the centre of cylindrical wall, the axial location that end plate is positioned at cylindrical wall arranges pin hole, pin hole runs through the thickness of described end plate, the shape and size of pin hole and the shape and size of needle body are suitable, the inner side of end plate arranges safety helmet, safety helmet comprises baffle plate and elastic arm, baffle plate is platy structure, one end of elastic arm is fixedly connected with a side of baffle plate, the other end of elastic arm stretches out setting around the periphery of baffle plate, elastic arm is connected with the inwall Elastic Contact of cylindrical wall, the open end of cylindrical wall is towards needle stand, under elastic arm free state, baffle plate is connected with the inwall Elastic Contact of cylindrical wall towards the rightabout side of elastic arm, baffle plate covers pin hole, needle body penetrates under the state of pin hole from the open end of cylindrical wall, baffle plate does not contact with the inwall of cylindrical wall towards the rightabout side of elastic arm, the outer surface of the inwall resilient clamp needle body of the edge of baffle plate and pin hole, spiral tension spring coaxially arranges in the periphery of needle body, one end of spiral tension spring is fixedly connected with needle stand, the other end of spiral tension spring is fixedly connected with collector, under the free state of spiral tension spring, collector and needle stand Elastic Contact, needle body passes through pin hole from the open end of cylindrical wall, the outer surface of the inwall resilient clamp needle body of the edge of baffle plate and pin hole, at the rear state of Anti-stabbing entry needle, collector is arranged on the needle point position of needle body, needle body exits outside pin hole, baffle plate covers pin hole, needle point Elastic Contact baffle plate.
Anti-stabbing entry needle, the material of baffle plate and/or elastic arm comprises plastics or the rustless steel that medical apparatus and instruments is used.
Anti-stabbing entry needle, baffle plate and elastic arm disjunctor arrange.
Anti-stabbing entry needle, elastic arm is crooked platy structure, the part on elastic arm surface contacts setting with the inwall elasticity laminating of cylindrical wall.
Anti-stabbing entry needle, the inwall of cylindrical wall arranges elastic arm groove, and the shape and size of elastic arm groove and the shape and size of elastic arm are suitable, and the part surface of elastic arm embeds in elastic arm groove.
Anti-stabbing entry needle, the material of spiral tension spring is stainless steel silk.
Anti-stabbing entry needle, the material of stainless steel silk is SUS304 rustless steel.
Anti-stabbing entry needle, stainless steel silk is rustless steel piano wire.
Anti-stabbing entry needle, the shape and size at baffle plate side and needle body Surface Contact position, suitable with the shape and size on needle body surface.
Anti-stabbing entry needle, cylindrical wall and end plate disjunctor arrange.
Anti-stabbing entry needle of the present utility model, the technique effect that adopts technique scheme to obtain is:
Anti-stabbing entry needle, comprise needle body and needle stand, collector and spiral tension spring are set, collector comprises shell and safety helmet, shell comprises cylindrical wall and end plate, cylindrical wall is tubular structure, one end of cylindrical wall is fixedly installed end plate, end plate covers the centre of cylindrical wall, the axial location that end plate is positioned at cylindrical wall arranges pin hole, pin hole runs through the thickness of described end plate, the shape and size of pin hole and the shape and size of needle body are suitable, the inner side of end plate arranges safety helmet, safety helmet comprises baffle plate and elastic arm, baffle plate is platy structure, one end of elastic arm is fixedly connected with a side of baffle plate, the other end of elastic arm stretches out setting around the periphery of baffle plate, elastic arm is connected with the inwall Elastic Contact of cylindrical wall, the open end of cylindrical wall is towards needle stand, under elastic arm free state, baffle plate is connected with the inwall Elastic Contact of cylindrical wall towards the rightabout side of elastic arm, baffle plate covers pin hole.Needle body penetrates under the state of pin hole from the open end of cylindrical wall, baffle plate does not contact with the inwall of cylindrical wall towards the rightabout side of elastic arm, the outer surface of the inwall resilient clamp needle body of the edge of baffle plate and pin hole, spiral tension spring coaxially arranges in the periphery of needle body, one end of spiral tension spring is fixedly connected with needle stand, the other end of spiral tension spring is fixedly connected with collector, under the free state of spiral tension spring, collector and needle stand Elastic Contact, needle body passes through pin hole from the open end of cylindrical wall, the outer surface of the inwall resilient clamp needle body of the edge of baffle plate and pin hole, can make needle body expose, normally realize the function of puncture injection.At the rear state of Anti-stabbing entry needle, collector is arranged on the needle point position of needle body, and needle body exits outside pin hole, and baffle plate covers pin hole, needle point Elastic Contact baffle plate.Can after Anti-stabbing entry needle is finished, use collector to be enclosed within needle point outside, utilize baffle plate to stop that needle point can not pass outside pin hole it, stops the accident of dirty entry needle scathing.Anti-stabbing entry needle of the present utility model is easy to use, and after use, can transfer easily the state of Anti-stabbing to.
Anti-stabbing entry needle, the material of baffle plate and/or elastic arm comprises plastics or the rustless steel that medical apparatus and instruments is used.Material that can be easy to use and technique, produce the critical component of the Anti-stabbing entry needle that meets service condition.
Anti-stabbing entry needle, baffle plate and elastic arm disjunctor arrange.Can simplified manufacturing technique.
Anti-stabbing entry needle, elastic arm is crooked platy structure, the part on elastic arm surface contacts setting with the inwall elasticity laminating of cylindrical wall.Can improve the elastic force of elastic arm, make Anti-stabbing function more reliable.
Anti-stabbing entry needle, the inwall of cylindrical wall arranges elastic arm groove, and the shape and size of elastic arm groove and the shape and size of elastic arm are suitable, and the part surface of elastic arm embeds in elastic arm groove.Be convenient to installation and the location of elastic arm, can make the duty of elastic arm more stable.
Anti-stabbing entry needle, the material of spiral tension spring is stainless steel silk, is convenient to guarantee the sanitary condition of Anti-stabbing entry needle.
Anti-stabbing entry needle, the material of stainless steel silk is SUS304 rustless steel, in the situation that guaranteeing sanitary condition, can provide good elasticity.
Anti-stabbing entry needle, stainless steel silk is rustless steel piano wire.Can obtain good sanitary condition and mechanical performance.
Anti-stabbing entry needle, the shape and size at baffle plate side and needle body Surface Contact position, suitable with the shape and size on needle body surface.Movement that can convenient for collecting device, has been convenient to the function of injection of Anti-stabbing entry needle and the conversion of Anti-stabbing function.
Anti-stabbing entry needle, cylindrical wall and end plate disjunctor arrange.Can simplified manufacturing technique, improve the performance of collector shell.
Use Anti-stabbing entry needle of the present utility model, can simplified manufacturing technique, reduce production costs, easy to utilize, the reliable in function of Anti-stabbing, Social benefit and economic benefit is remarkable.
Accompanying drawing explanation
Fig. 1 is the structural representation before this utility model Anti-stabbing entry needle is used, and the needle body in figure stretches out collector outside.
Fig. 2 is the structural representation of discarded state after this utility model Anti-stabbing entry needle is used, and the collector in figure covers needle point.
Fig. 3 is the axial arrangement schematic diagram of this utility model Anti-stabbing entry needle collector, and the baffle plate in figure covers pin hole.
Fig. 4 is the axial arrangement schematic diagram of this utility model Anti-stabbing entry needle collector, and the needle body in figure passes through pin hole, the outer surface of the inwall resilient clamp needle body of the edge of baffle plate and pin hole.
Fig. 5 is the sectional structure schematic diagram of this utility model Anti-stabbing entry needle collector, and the inwall of cylindrical wall arranges elastic arm groove, and the elastic arm of safety helmet embeds in elastic arm groove.
Fig. 6 is the structural representation of this utility model Anti-stabbing entry needle needle body, and the hook of spiral tension spring termination inserts in the radial hole of needle stand newel.
Sign implication in figure is as follows:
1-needle body, 2-needle stand, 3-collector, 4-spiral tension spring, 5-shell, 6-safety helmet, 7-cylindrical wall, 8-end plate, 9-pin hole, 10-baffle plate, 11-elastic arm, 12-needle point, 13-safety helmet groove.
The specific embodiment
The structural representation of this utility model Anti-stabbing entry needle as depicted in figs. 1 and 2, comprise needle body 1 and needle stand 2, collector 3 and spiral tension spring 4 are set, collector 3 comprises shell 5 and safety helmet 6, shell 5 comprises cylindrical wall 7 and end plate 8, cylindrical wall 7 is tubular structure, one end of cylindrical wall 7 is fixedly installed end plate 8, end plate 8 covers the centre of cylindrical wall 7, the axial location that end plate 8 is positioned at cylindrical wall 7 arranges pin hole 9, pin hole 9 runs through the thickness of end plate 8, the shape and size of the shape and size of pin hole 9 and needle body 1 are suitable, the inner side of end plate 8 arranges safety helmet 6, safety helmet 6 comprises baffle plate 10 and elastic arm 11, baffle plate 10 is platy structure, one end of elastic arm 11 is fixedly connected with a side of baffle plate 10, the other end of elastic arm 11 stretches out setting around the periphery of baffle plate 10, elastic arm 11 is connected with the inwall Elastic Contact of cylindrical wall 7, the open end of cylindrical wall 7 is towards needle stand 2, under elastic arm 11 free states, baffle plate 10 is connected with the inwall Elastic Contact of cylindrical wall 7 towards the rightabout side of elastic arm 11, baffle plate 10 covers pin hole 9, Fig. 3 is the axial arrangement schematic diagram of this utility model Anti-stabbing entry needle collector 3, baffle plate 10 in figure covers pin hole 9.
Spiral tension spring 4 coaxially arranges in the periphery of needle body 1, one end of spiral tension spring 4 is fixedly connected with needle stand 2, the other end of spiral tension spring 4 is fixedly connected with collector 3, shown in figure, one end of spiral tension spring 4 is shaped with elastic ring and needle stand 2 around the groove elasticity socket of newel, and the other end of spiral tension spring 4 is shaped with the additional pole of the collar and elastic arm 11 and is socketed.The two ends of spiral tension spring 4 can also be realized hook or pass through with collector 3 with needle stand 2 with other form and are connected, if Fig. 6 is the structural representation of this utility model Anti-stabbing entry needle needle body, the hook of spiral tension spring 4 terminations inserts in the radial direction through hole or radial blind holes of needle stand 2 newels.
Under the free state of spiral tension spring 4, collector 3 is set to and needle stand 2 Elastic Contact, needle body 1 passes through pin hole 9 from the open end of cylindrical wall 7, the outer surface of the inwall resilient clamp needle body 1 of the edge of baffle plate 10 and pin hole 9, at the rear state of Anti-stabbing entry needle, collector 3 is arranged on the needle point position of needle body 1, and needle body 1 exits outside pin hole 9, baffle plate 10 covers pin hole 9, needle point 12 Elastic Contact baffle plates 10.
Fig. 1 is the structural representation before this utility model Anti-stabbing entry needle is used, and the needle body 1 in figure is through stretching out collector 3 outsides.The supply status of this utility model Anti-stabbing entry needle is that collector 3 is set to and needle stand 2 Elastic Contact, and needle body 1 is through stretching out collector 3 outsides.
Fig. 2 is the structural representation of discarded state after this utility model Anti-stabbing entry needle is used, and the collector 3 in figure covers needle point 12.
After use, can pull with hand collector 3 and move towards needle point 12, make needle point 12 exit pin hole 9, baffle plate 10 relies on the elastic force of elastic arm 11 to cover pin hole 9, stops that needle point 12 penetrates pin hole 9 again, realizes Anti-stabbing object.
Can position limiting structure be set in shell 5 inside, guarantee that elastic arm 11 is when free state, baffle plate 10 is connected with position limiting structure Elastic Contact and covers pin hole 9, as shown in Figure 3.
Anti-stabbing entry needle, safety helmet 6 can integral manufacturing, also can split production, the material of baffle plate 10 and/or elastic arm 11 can be used the rustless steel of medical apparatus and instruments special use or the plastics of medical apparatus and instruments special use, rustless steel can be used SUS304 rustless steel, and plastics can be used polyethylene, polypropylene or polyamide.The baffle plate 10 of safety helmet 6 and elastic arm 11 are bonding or be welded to connect and be integrated after can split production, and elastic arm 11 can be used rustless steel piano wire to manufacture in this case.
While using plastic production baffle plate 10, for avoiding needle point 12 to pierce through baffle plate 10, the thickness of baffle plate 10 is not less than 0.7 millimeter conventionally.
Anti-stabbing entry needle, elastic arm 11 can be crooked platy structure, the part on elastic arm surface contacts setting with the inwall elasticity laminating of cylindrical wall 7.A part for elastic arm 11 curved surfaces can bondingly be connected with the inwall elasticity of cylindrical wall 7 laminating contact site.
Anti-stabbing entry needle, the inwall of cylindrical wall 7 can arrange elastic arm groove 13, and the shape and size of the shape and size of elastic arm groove 13 and elastic arm 11 are suitable, and the part surface of elastic arm 11 embeds in elastic arm groove 13.Fig. 5 is the sectional structure schematic diagram of this utility model Anti-stabbing entry needle collector, and the inwall of cylindrical wall 7 arranges elastic arm groove 13, and the part surface of elastic arm 11 embeds in elastic arm groove 13.
Anti-stabbing entry needle, the material of spiral tension spring 4 is stainless steel silk, stainless steel silk material can be used SUS304 rustless steel, stainless steel silk or the piano wire that also can use other rustless steel to make.
Anti-stabbing entry needle, the shape and size at baffle plate 10 sides and needle body 1 Surface Contact position, suitable with the shape and size on needle body 1 surface conventionally.
Anti-stabbing entry needle, conventionally cylindrical wall 7 and end plate 8 disjunctor settings.The material of the shell 5 of collector 3 can be used the rustless steel of medical apparatus and instruments special use or the plastics of medical apparatus and instruments special use.
Anti-stabbing entry needle of the present utility model, is not restricted to the described embodiments, and every method of the present utility model, principle and structure utilized, through converting, replacing and/or combine formed technical scheme, all in protection domain of the present utility model.
Claims (10)
1. Anti-stabbing entry needle, comprise needle body and needle stand, it is characterized in that: collector and spiral tension spring are set, described collector comprises shell and safety helmet, described shell comprises cylindrical wall and end plate, described cylindrical wall is tubular structure, one end of described cylindrical wall is fixedly installed end plate, described end plate covers the centre of described cylindrical wall, the axial location that described end plate is positioned at described cylindrical wall arranges pin hole, described pin hole runs through the thickness of described end plate, the shape and size of described pin hole and the shape and size of described needle body are suitable, the inner side of described end plate arranges safety helmet, described safety helmet comprises baffle plate and elastic arm, described baffle plate is platy structure, one end of described elastic arm is fixedly connected with a side of described baffle plate, the other end of described elastic arm stretches out setting around the periphery of described baffle plate, described elastic arm is connected with the inwall Elastic Contact of described cylindrical wall, the open end of described cylindrical wall is towards described needle stand, under described elastic arm free state, described baffle plate is connected with the inwall Elastic Contact of described cylindrical wall towards the rightabout side of described elastic arm, described baffle plate covers described pin hole, described needle body penetrates under the state of pin hole from the open end of described cylindrical wall, described baffle plate does not contact with the inwall of described cylindrical wall towards the rightabout side of described elastic arm, the outer surface of needle body described in the inwall resilient clamp of the edge of described baffle plate and described pin hole, described spiral tension spring coaxially arranges in the periphery of described needle body, one end of described spiral tension spring is fixedly connected with needle stand, the other end of described spiral tension spring is fixedly connected with described collector, free state at described spiral tension spring, described collector and described needle stand Elastic Contact, described needle body passes through described pin hole from the open end of described cylindrical wall, the outer surface of the inwall resilient clamp needle body of the edge of baffle plate and pin hole, at the rear state of Anti-stabbing entry needle, described collector is arranged on the needle point position of described needle body, described needle body exits outside described pin hole, described baffle plate covers described pin hole, baffle plate described in described needle point Elastic Contact.
2. Anti-stabbing entry needle according to claim 1, is characterized in that: the material of described baffle plate and/or described elastic arm comprises plastics or the rustless steel that medical apparatus and instruments is used.
3. Anti-stabbing entry needle according to claim 1, is characterized in that: described baffle plate and described elastic arm disjunctor arrange.
4. Anti-stabbing entry needle according to claim 1, is characterized in that: described elastic arm is crooked platy structure, and the part on described elastic arm surface contacts setting with the laminating of the inwall elasticity of described cylindrical wall.
5. Anti-stabbing entry needle according to claim 1, it is characterized in that: the inwall of described cylindrical wall arranges elastic arm groove, the shape and size of described elastic arm groove and the shape and size of described elastic arm are suitable, and the part surface of described elastic arm embeds in described elastic arm groove.
6. Anti-stabbing entry needle according to claim 1, is characterized in that: the material of described spiral tension spring is stainless steel silk.
7. Anti-stabbing entry needle according to claim 6, is characterized in that: the material of described stainless steel silk is SUS304 rustless steel.
8. Anti-stabbing entry needle according to claim 6, is characterized in that: described stainless steel silk is rustless steel piano wire.
9. Anti-stabbing entry needle according to claim 1, is characterized in that: the shape and size at described baffle plate side and described needle body Surface Contact position, and suitable with the shape and size on described needle body surface.
10. Anti-stabbing entry needle according to claim 1, is characterized in that: described cylindrical wall and described end plate disjunctor arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500276.7U CN203400377U (en) | 2013-08-15 | 2013-08-15 | Puncture preventing injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500276.7U CN203400377U (en) | 2013-08-15 | 2013-08-15 | Puncture preventing injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203400377U true CN203400377U (en) | 2014-01-22 |
Family
ID=49936322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320500276.7U Expired - Lifetime CN203400377U (en) | 2013-08-15 | 2013-08-15 | Puncture preventing injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203400377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964020A (en) * | 2017-04-12 | 2017-07-21 | 侯颖萍 | Anti-stab injection needle |
-
2013
- 2013-08-15 CN CN201320500276.7U patent/CN203400377U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964020A (en) * | 2017-04-12 | 2017-07-21 | 侯颖萍 | Anti-stab 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |