CN2592182Y - Liquid injection/taking apparatus capable of conveniently releasing needle file - Google Patents
Liquid injection/taking apparatus capable of conveniently releasing needle file Download PDFInfo
- Publication number
- CN2592182Y CN2592182Y CN 02294490 CN02294490U CN2592182Y CN 2592182 Y CN2592182 Y CN 2592182Y CN 02294490 CN02294490 CN 02294490 CN 02294490 U CN02294490 U CN 02294490U CN 2592182 Y CN2592182 Y CN 2592182Y
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- CN
- China
- Prior art keywords
- needle stand
- syringe
- cylinder
- needle
- sampling device
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- 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.)
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Abstract
The utility model relates to a liquid injecting/taking apparatus capable of conveniently releasing a needle seat, which can be connected and provided with a needle head. The utility model comprises a needle cylinder, an outer pulling cylinder, a needle seat and an inserting piece, wherein, the needle cylinder is provided with a straight tubular cylinder body which is penetrated and provided with a containing hole, a knuckle piece can elastically deforms, a latch is formed on the knuckle piece toward the inner margin of the knuckle piece, and a clamping hole is arranged on the cylinder body corresponding to the other end of the knuckle piece; the outer pulling cylinder is provided with a ring body which is in the shape of circle, the outer pulling cylinder is provided with an axial sleeve hole which can be sheathed on the cylinder body of the needle cylinder, a pulling edge is connected and arranged on the ring body, a clamping piece is arranged on the ring body in an elastic deformation mode, a stop block which can be clamped and arranged on a clamped hole of the needle cylinder is inward formed by the clamping piece at the deformable end of the clamping piece; the needle seat is provided with a base which can be plugged and arranged in the containing hole of the needle cylinder to slip, a clamping and stopping ring ditch is arranged on the periphery of the base and can be clamped by the latch of the knuckle piece of the needle cylinder; the inserting piece is correspondingly inserted and butted in the containing hole of the needle cylinder, the inserting piece can be provided to support and butt a hand part to pull the outer pulling cylinder to rearward displace corresponding to the needle cylinder.
Description
Technical field
This utility model is relevant with safety injector, is meant a kind of liquid infusion/sampling device that can conveniently discharge needle stand especially.
Background technology
Press, general syringe and hemostix, at present all with medical personnel's safety for considering, but and must design and produce into the safety injector of syringe needle haulback type, to prevent needle sting and to feel the danger generation of beam.
Yet, present haulback safety syringe on the market, part person is owing to the structure too complex, so manufacture difficulty is higher, and its yield also can't promote; In addition, have structure comparatively simple again, its making is comparatively simple and easy, but and mass production, but because its combination is more uncertain, and make its start bad, so the user of service dislikes using, so also can't generally use.
The utility model content
Main purpose of the present utility model is to provide a kind of liquid infusion/sampling device that can conveniently discharge needle stand, and it can make syringe needle pull back and have safety in the use.
A time purpose of the present utility model is to provide a kind of liquid infusion/sampling device that can conveniently discharge needle stand, the positioning action whether its may command needle stand is movable.
A purpose more of the present utility model is to provide a kind of liquid infusion/sampling device that can conveniently discharge needle stand, and it can make its designs simplification again and can reach normal start.
For achieving the above object, the liquid infusion/sampling device that can conveniently discharge needle stand that this utility model provides, it can be established for connecing of a syringe needle, and this device includes:
One syringe has the stack shell of a straight-tube shape, and it has provided a containing hole, and one to collude calvus be elastically deformable, is formed with a latch in colluding calvus to inner edge, and a hole clipping is located at that this colludes the end in addition of calvus relatively on the stack shell;
One outer slide, it is rounded to have a ring body, and it is provided with the stack shell that an axial trepanning can be sheathed on this syringe, and a pulling edge is arranged in this ring body, be arranged in this ring body, this fastener also inwardly is formed with the hole clipping that a stops can be arranged in this syringe with its deformable end one fastener elastically deformable;
One needle stand has a pedestal and can fill in slippage in the containing hole of being located at this syringe, and a stop ring ditch is located at this pedestal periphery and established by the latch card that colludes calvus of this syringe;
One plugs part, the corresponding containing hole that supports this syringe of inserting, and this plugs part and can provide hand to support to arrive in and spur relative this syringe displacement backward of this outer slide.
Wherein this to plug part be a push rod, and this needle stand connects and establishes an injection needle, uses and become a syringe.
Wherein this to plug part be a blood-collecting tube, and this needle stand can connect and establishes a blood collection needles, uses and become a hemostix.
Wherein this needle stand with this plug part with this needle stand manually to pull back.
Wherein this plugs part and has a hook part, and this needle stand also has a hook part and can pull back for this hook part trip that plugs part.
Wherein this needle stand is with automatic retraction.
Wherein this syringe also has at least one fastening groove, and this needle stand also has the fastening groove that at least one fastener can corresponding be limited to this syringe.
The stops that wherein is somebody's turn to do outer slide protrudes out to the length of being scheduled in the containing hole of this syringe.
Wherein this plugs part and has one and support cover portion and can prevent that this from plugging dropping out of part for the stops that is limited to this outer slide.
Wherein this plugs part and has the disconnected portion of a Zhe.
Description of drawings
Fig. 1 is the exploded perspective view of this utility model one preferred embodiment.
Fig. 2 is the side-looking combination section of this utility model one preferred embodiment, and shows the state that does not engage before its injection.
Fig. 3 is push rod and the needle stand fastening state that is same as last figure.
Fig. 4 is the state when being same as the outer slide pulling of last figure.
Fig. 5 is the state that is same as after the outer slide pulling of last figure.
Fig. 6 is the needle stand that the is same as last figure state when retracting.
Fig. 7 is the state after the needle stand that is same as last figure retracts, and the disconnected state of its push rod of virtual representation Zhe.
Fig. 8 is another enforcement state diagram of this utility model needle stand.
Fig. 9 is the side-looking combination section of another enforcement preferred embodiment of this utility model, shows that it is the state of a hemostix.
Figure 10 is the end view of another enforcement preferred embodiment syringe of this utility model.
The specific embodiment
More understand characteristics of the present utility model and effect for making, lift following examples and conjunction with figs. and be described as follows, wherein:
See also Fig. 1 to Fig. 3, this utility model one preferred embodiment can conveniently discharge the liquid infusion/sampling device of needle stand, can be for the sleeve of a syringe needle (60), and present embodiment is a syringe, it includes:
One syringe (10), stack shell (11) with a straight-tube shape, it has provided a containing hole (12), two collude calvus (13) is formed by other direction of syringe needle (60) side direction, this respectively colludes calvus (13) but is elastic bending deflection, be formed with a latch (14) in respectively colluding calvus (13) to inner edge, two hole clippings (15) are located at stack shell (11), and upward this respectively colludes the end in addition of calvus (13) relatively, and an end supports portion (16) and is formed at its rear end.
One outer slide (20), it is rounded to have a ring body (21), it is provided with the stack shell (11) that an axial trepanning (22) can be sheathed on this syringe (10), one restriction portion (23) is formed at its ring body (21) leading edge and colludes calvus (13) for what correspondence limited this syringe (10), one pulling edge (24) is formed at this ring body (21) periphery, two fasteners (25) but elastic bending deflection be arranged in this ring body (21), this each fastener (25) also inwardly is formed with a stops (26) with its deformable end and can be arranged in the hole clipping (15) of this syringe (10) and protrudes out in the containing hole (12) of this syringe (10).
One needle stand (30), have a pedestal (31) be provided with a seal ring ditch (32) can be sheathed for O shape ring (70), and can fill in the interior slippage of containing hole (12) of being located at this syringe (10), one plugs hole (33) is formed with a hook part (34) toward in, one stop ring ditch (37) is located at this pedestal (31) periphery and established by calvus (13) card that colludes of this syringe (10), and its front end connects in every way for this syringe needle (60) and establishes.
One push rod (40) has a shaft (41) and is the stock body, and one supports cover portion (42) is located at the precalculated position, and a solid piston part (43) is arranged in its front end, and a hook part (44) is arranged in more front end, and a push-and-pull portion (47) is located at the pushing and pressing usefulness of its rear end for finger; In addition, and be arranged with a push rod plug (50) in this solid piston part (43), its periphery bulge loop is sealed in the containing hole (12) of this syringe (10).
The operation start situation of relevant present embodiment is described as follows:
As shown in Figure 2, the assembled state before promptly this utility model does not use for the user mode figure of its extraction medicinal liquid, perhaps is the user mode figure of its injection perhaps; In addition, its push rod (40) is retracted to extract medicinal liquid.
At this moment, this needle stand (30) is card and ends fixed state, restriction portion (23) that should outer slide (20) is sheathed be positioned this syringe (10) collude calvus (13), the colluding calvus (13) and can't open distortion outward and make its each latch (14) keep being arranged in the stop ring ditch (37) of this needle stand (30) of this syringe (10), and make this needle stand (30) can't displacement, have the stable and safety when using to keep not rocking.
In addition, as shown in Figure 3, be the state diagram that this utility model injection ends, wherein, the hook part (44) of this push rod (40) plugs the hook part (34) to this needle stand (30), and this push rod this moment (40) is with needle stand (30) but is the state of interlock.
As shown in Figure 4, when the desire operation retracts outer slide (20), push-and-pull portion (47) and this pulling edge (24) of pull-up that promptly must push this push rod (40) pull back this outer slide (20) with operation, make the fastener (25) of this outer slide (20) be subjected to slide to rise and this fastener (25) is outwardly-bent.
Fig. 5 then pulls back the localized state that arrives for its outer slide (20), wherein, restriction portion (23) that should outer slide (20) is displacement and do not limit this syringe (10) collude calvus (13), and stops (26) that should outer slide (20) can be corresponding to the end that terminates in this syringe (10) to portion (16).
Again as shown in Figure 6, for retracting the operation of this needle stand (30), this push rod (40) is retracted and should push away forward by outer slide (20), the stop ring ditch (37) of this needle stand (30) can be gone out by latch (14) slippage of this syringe (10), and it colludes calvus (13) flexural deformation, and can smoothly this needle stand (30) be pulled back.
At last, as shown in Figure 7, the state diagram of syringe needle having been pulled back for this utility model push rod, the stops (26) of block plate (42) periphery block slide (20) outside this of this push rod (40) wherein, can can support cover portion (42) fracture by it this moment with this push rod (40) bending, and make leading portion, needle stand (30) and the syringe needle (60) of this push rod push rod (40) keep somewhere containing hole (12) in this syringe (10).
As shown in Figure 8, this syringe needle of this utility model can also be installed in this needle stand discretely, and can use standard needle.
Fig. 9 and shown in Figure 10 for another example, device of the present utility model also can work as a hemostix and use, and it also includes a syringe (10A), an outer slide (20A), a needle stand (30A), and cooperate a blood-collecting tube (40A) use, wherein:
Calvus (13A) forward end of colluding of this syringe (10A) extends to form (last embodiment is backward), and other has two fastening grooves (18A) to be opened in its stack shell and can to form a fastener, is located at front end and also respectively have a latch (14).
Should outer slide (20A) have the containing hole that a stops (26A) does not extend to this syringe (10A), so that the plugging of this blood-collecting tube (40A).
This needle stand (30A) has a pedestal (31A), and its syringe needle then is made up of the first pin portion (61A) and one second pin portion (62A), and two fasteners (38A) for be slidedly arranged on this syringe (10) each fastening groove (18A) but and block in its precalculated position, bottom; Wherein, the first pin portion (61A) of this needle stand (30A) is for the blood vessel that plugs human body, and its second pin portion (62A) is for plugging this blood-collecting tube (40A).
This blood-collecting tube (40A) has a hook part (44A) and is the fastener (38A) that hole shape is located at its front end confession this needle stand of trip (30A).
The product of finishing with this embodiment can become a hemostix, and its operating principle and start are identical substantially with last embodiment, hold no longer and describe in detail.
Also can learn by present embodiment, the colluding calvus and also can be set as direction of this syringe to needle end, and can reach effect of the present utility model equally.
This utility model should injection/sampling device, except manually to retract the needle stand, in addition, can also an automatic repeller this needle stand be ejected automatically or the containing hole of the syringe of withdrawing, and projects of equal attainable cost utility model.
By above each embodiment explanation, it is as follows to conclude characteristics of the present utility model:
1, the utility model can conveniently discharge the liquid injection/sampling device of needle stand, and it utilizes outer slide Axial displacement operation, can conveniently control the fixing and displacement of needle stand.
2, the utility model can conveniently discharge the liquid injection/sampling device of needle stand, its control engaging Operation only is simple push-and-pull operation, so its operation is very convenient.
3, the utility model can conveniently discharge the liquid injection/sampling device of needle stand, its outer slide and pin The combination of tube, its designs simplification and can reach normal start.
Claims (10)
1, a kind of liquid infusion/sampling device that can conveniently discharge needle stand, it can be established for connecing of a syringe needle, it is characterized in that this device includes:
One syringe has the stack shell of a straight-tube shape, and it has provided a containing hole, and one to collude calvus be strain, is formed with a latch in colluding calvus to inner edge, and a hole clipping is located at that this colludes the end in addition of calvus relatively on the stack shell;
One outer slide, it is rounded to have a ring body, and it is provided with the stack shell that an axial trepanning is sheathed on this syringe, and a pulling edge is arranged in this ring body, be arranged in to one fastener strain this ring body, this fastener also inwardly is formed with the hole clipping that a stops is arranged in this syringe with its deformed end;
One needle stand has a pedestal plug and is located at slippage in the containing hole of this syringe, and a stop ring ditch is located at this pedestal periphery and established by the latch card that colludes calvus of this syringe;
One plugs part, the corresponding containing hole that supports this syringe of inserting, and this plugs part and provides hand to support to arrive in and spur relative this syringe displacement backward of this outer slide.
2, according to the described liquid infusion/sampling device that can conveniently discharge needle stand of claim 1, it is characterized in that, wherein this to plug part be a push rod, to establish an injection needle be that a syringe uses and this needle stand connects.
3, according to the described liquid infusion/sampling device that can conveniently discharge needle stand of claim 1, it is characterized in that, wherein this to plug part be a blood-collecting tube, to establish a blood collection needles be a hemostix and this needle stand connects.
4, according to the described liquid infusion/sampling device that can conveniently discharge needle stand of claim 1, it is characterized in that, wherein this needle stand for this plug part with this needle stand manually to pull back.
According to the described liquid infusion/sampling device that can conveniently discharge needle stand of claim 4, it is characterized in that 5, wherein this plugs part and has a hook part, and this needle stand also has a hook part and pulls back for this hook part trip that plugs part.
According to the described liquid infusion/sampling device that can conveniently discharge needle stand of claim 1, it is characterized in that 6, wherein this needle stand is to bounce back automatically.
7, according to the described liquid infusion/sampling device that can conveniently discharge needle stand of claim 1, it is characterized in that wherein this syringe also has at least one fastening groove, and this needle stand also has the fastening groove that at least one fastener correspondence is limited to this syringe.
According to the described liquid infusion/sampling device that can conveniently discharge needle stand of claim 1, it is characterized in that 8, the stops that wherein is somebody's turn to do outer slide protrudes out to the length of being scheduled in the containing hole of this syringe.
According to the described liquid infusion/sampling device that can conveniently discharge needle stand of claim 8, it is characterized in that 9, wherein this plugs part and has one and support cover portion for the stops that is limited to this outer slide.
According to the described liquid infusion/sampling device that can conveniently discharge needle stand of claim 1, it is characterized in that 10, wherein this plugs part and has the disconnected portion of a Zhe.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02294490 CN2592182Y (en) | 2002-12-31 | 2002-12-31 | Liquid injection/taking apparatus capable of conveniently releasing needle file |
| DE20319762U DE20319762U1 (en) | 2002-12-31 | 2003-12-19 | Security liquid injection / extraction device |
| AU2003101038A AU2003101038A4 (en) | 2002-12-31 | 2003-12-22 | Safety Fluid Injecting/Sampling Apparatus |
| US10/742,819 US20040153034A1 (en) | 2002-12-31 | 2003-12-23 | Safety fluid injecting/sampling apparatus |
| GB0329752A GB2396817A (en) | 2002-12-31 | 2003-12-23 | Safety fluid injecting/sampling apparatus |
| FR0315532A FR2849385A1 (en) | 2002-12-31 | 2003-12-29 | SECURE FLUID INJECTION / COLLECTION DEVICE. |
| BR8303209-6U BR8303209U (en) | 2002-12-31 | 2003-12-30 | Fluid sampling / injection safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02294490 CN2592182Y (en) | 2002-12-31 | 2002-12-31 | Liquid injection/taking apparatus capable of conveniently releasing needle file |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2592182Y true CN2592182Y (en) | 2003-12-17 |
Family
ID=33751913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02294490 Expired - Fee Related CN2592182Y (en) | 2002-12-31 | 2002-12-31 | Liquid injection/taking apparatus capable of conveniently releasing needle file |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2592182Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267468A (en) * | 2015-06-04 | 2017-01-04 | 陈冠儒 | The syringe of incidental injury prevention |
-
2002
- 2002-12-31 CN CN 02294490 patent/CN2592182Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267468A (en) * | 2015-06-04 | 2017-01-04 | 陈冠儒 | The syringe of incidental injury prevention |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BERKELEY INTERNATIONAL CO., LTD. Free format text: FORMER OWNER: TAIJIE BIOCHEMICAL SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20051028 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20051028 Address after: Brunei Darussalam Bandar Seri Begawan City Patentee after: Berkeley international Limited by Share Ltd Address before: Hsinchu County of Taiwan Patentee before: Taijie Biochemical Science and Technology Co., Ltd. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |