CN1380042A - Puncture device - Google Patents
Puncture device Download PDFInfo
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- CN1380042A CN1380042A CN 01116603 CN01116603A CN1380042A CN 1380042 A CN1380042 A CN 1380042A CN 01116603 CN01116603 CN 01116603 CN 01116603 A CN01116603 A CN 01116603A CN 1380042 A CN1380042 A CN 1380042A
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- mentioned
- sleeve
- piston
- pushing member
- tip
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Abstract
The present invention relates to a puncture device, including a sleeve, a drive element placed in one end of the sleeve, a piston with puncture tip which can be slide-placed in the sleeve, a drive spring placed between end face of the above-mentioned drive element and the above-mentioned poston and a reset spring placed in the interior of said sleeve and positioned between the bottom portion of said sleeve and the above-mentioned piston. Said steeve bottom portion has an opening hole for puncture tip. It is characterized by that the above-mentioned sleeve includes an inwards-directed breakable fin, and the external projection of the above-mentioned piston is placed against the above-mentioned fin.
Description
The present invention relates to a kind of piercing device, pierce through patient skin in particular for diagnostic purpose so that obtain the device of blood sample.
United States Patent (USP) discloses a kind of device that pierces through patient skin No. 4139011, and it comprises the housing of a sleeve-shaped, the end sealing of this housing, and the other end narrows down and have a little opening.In above-mentioned enclosure interior a bar is installed slidably, this bar one end is its afterbody with a slider that is arranged on above-mentioned enclosure interior.Have a bar that comprises an elastic arm at the other end, this elastic arm is its afterbody with a fixed teeth, and this bar rests on the edge of the intravital opening of above-mentioned shell.Between this bar and above-mentioned telescopic bottom, be provided with a spring, pierce through insert and be provided with one at the other end of above-mentioned slider.
The piercing device of knowing from No. 5356420 patent of the U.S. comprises a sleeve and a pushing member, and this pushing member is used to start the device that is positioned at above-mentioned sleeve one end.Above-mentioned telescopic another opposite end opening.Be provided with the piston of displacement slidably in above-mentioned sleeve inner, this piston be its afterbody at the end near above-mentioned pushing member with a tip end piece, is its afterbody and pierce through tip at an end of close above-mentioned sleeve openings end with one.Above-mentioned sleeve inner is provided with a driving spring between the end face of above-mentioned pushing member and above-mentioned piston, be provided with a back-moving spring between above-mentioned piston and above-mentioned sleeve openings end.Above-mentioned piston has the aliform thing on its outer periphery, rest on the above-mentioned telescopic inner protuberance.
Piercing device according to the present invention comprises a sleeve, a pushing member that is located at above-mentioned sleeve one end, one has the piston that pierces through tip that is slidably disposed in the above-mentioned sleeve, one is arranged on the end face of above-mentioned pushing member and the driving spring between the above-mentioned piston, and one be arranged on above-mentioned sleeve inner and the back-moving spring between this cover tube bottom and above-mentioned piston, this cover tube bottom is provided with a perforate and leaves for and pierce through tip, it is characterized in that piston comprises a flange on its external margin, this flange leans against above-mentioned telescopic top and when pressure was applied on the above-mentioned pushing member, this flange can break away from above-mentioned piston.
The securing member that above-mentioned flange preferably includes a ring and this ring and above-mentioned piston are combined.
Advantage according to said apparatus of the present invention is: it provides a kind of for diagnostic purpose pierces through patient skin fast and substantially painlessly so that obtain the method for blood sample, especially at the skin on patients fingers, ear or the heel.Because can not re-use after above-mentioned aliform thing fractures, so said apparatus is because its structure is extendible.
Will more fully understand this by the accompanying drawing of following detailed description and different embodiments of the invention
The content of invention, wherein:
Fig. 1 is said apparatus first embodiment longitdinal cross-section diagram before use;
Fig. 2 is the longitdinal cross-section diagram of above-mentioned first embodiment after use;
Fig. 3 is said apparatus second embodiment longitdinal cross-section diagram before use;
Fig. 4 is the vertical view of packing ring of second embodiment of said apparatus;
Fig. 5 is said apparatus the 3rd an embodiment longitdinal cross-section diagram before use;
Fig. 6 is the vertical view of the piston with flange of said apparatus the 3rd embodiment;
Fig. 7 is the longitdinal cross-section diagram of said apparatus the 3rd embodiment after use.
As illustrated in fig. 1 and 2, the piercing device among first embodiment comprises a sleeve 1 and a pushing member 2, and this pushing member is located at above-mentioned sleeve 1 one ends and closes this sleeve with quite long length.The other end of above-mentioned sleeve 1 is its afterbody with a bottom with opening 4.A piston 5 is slidably disposed in the above-mentioned sleeve 1, and this piston is afterbody in above-mentioned pushing member one side with a push rod 6, is afterbody and opening 4 one sides in above-mentioned sleeve 1 bottom 3 pierce through tip 7 with one.Driving spring 9 is arranged in the said apparatus and between the end face 8 of above-mentioned pushing member 2 and the above-mentioned piston 5.A back-moving spring 10 is arranged in the above-mentioned sleeve 1 and between above-mentioned piston 5 and this cover tube bottom 3.Above-mentioned sleeve 1 comprises that at an upper portion thereof aliform thing 11, one protuberances 12 of inside sensing are positioned on above-mentioned piston 5 sides.
Below, we will tell about the operation of apparatus of the present invention.This device arrangements of elements before use as shown in Figure 1.As the exercising result that above-mentioned driving spring 9 is exerted pressure, the protuberance 12 of above-mentioned sleeve 1 leans against on the above-mentioned inside aliform thing 11, and this aliform thing 11 is arranged on the top of above-mentioned sleeve 1.Like this, have the above-mentioned piston 5 that pierces through tip 7 and be fixed on this first settling position.Push above-mentioned pushing member 2, the end face that above-mentioned driving spring 9 is pushed to above-mentioned pushing member 2 rests on the some place on the pusher 6 of above-mentioned piston 5.Continuation is exerted pressure to above-mentioned pushing member 2, makes the fracture aliform thing 11 of above-mentioned sleeve 1 of the protuberance 12 of above-mentioned piston 5, and above-mentioned like this driving spring 9 just drives above-mentioned piston 5, makes the above-mentioned tip 7 that pierces through pass the opening 4 of above-mentioned sleeve 1 bottom and lunge skin.Next, above-mentioned back-moving spring 10 retracts above-mentioned piston 5, makes above-mentioned piercing through on second settling position that tip 7 is in above-mentioned sleeve 1 inside.The position of said elements as shown in Figure 2 after using.Said apparatus has the aliform thing 11 that fractures, and it is impossible therefore utilizing again.
Another embodiment of piercing device is shown in Fig. 3 and 4.Identical with the label among the corresponding label of main element and Fig. 1 and 2 in this device.This embodiment is characterised in that aliform thing 11 forms a packing ring 14 that is installed in sleeve 1 top together with outer collar 13, and the aliform thing 11 of this packing ring 14 is arranged on protuberance 12 places of above-mentioned piston 5.Operation to this device is equal to the described operation of relevant Fig. 1 and 2.
According to the 3rd embodiment of piercing device of the present invention as shown in Figs. 5 to 7.Label is identical with label among Fig. 1 to 4.In this embodiment, above-mentioned piston 5 comprises a flange 15 that rests on above-mentioned sleeve 1 top at its external margin.This flange 15 comprises a ring 16 and a securing member 17, and this securing member 17 combines above-mentioned ring 16 and above-mentioned piston 5.This embodiment device is to be similar to the described similar manner operation of Fig. 1 and 2, and its difference only is: owing to the pressure difference that is applied on pushing member 2 and the piston 5, cause piston 5 to break away from from flange 15 after securing member 17 fractures.
Claims (4)
1. piercing device, comprise a sleeve, a pushing member that is located at above-mentioned sleeve one end, one has the piston that pierces through tip that is slidably disposed in the above-mentioned sleeve, one is arranged on the end face of above-mentioned pushing member and the driving spring between the above-mentioned piston, and one be arranged on above-mentioned sleeve inner and the back-moving spring between this cover tube bottom and above-mentioned piston, this cover tube bottom is provided with a perforate and leaves for and pierce through tip, it is characterized in that above-mentioned sleeve (1) comprises the broken aliform thing (11) of inside sensing, above-mentioned piston (5) has an outside protuberance (12) that rests on the above-mentioned aliform thing (11).
2. piercing device, comprise a sleeve, a pushing member that is located at above-mentioned sleeve one end, one has the piston that pierces through tip that is slidably disposed in the above-mentioned sleeve, a driving spring that is arranged between above-mentioned pushing member end face and the above-mentioned piston, and one be arranged on above-mentioned sleeve inner and the back-moving spring between this cover tube bottom and above-mentioned piston, this cover tube bottom is provided with a perforate and leaves for and pierce through tip, it is characterized in that also having a packing ring (liner) (14) and an outer collar that has broken aliform thing (11), this packing ring and outer collar all are arranged on the top of above-mentioned sleeve (1), and above-mentioned piston (5) has an outside protuberance (12) that rests on the above-mentioned aliform thing (11).
3. piercing device, comprise a sleeve, a pushing member that is located at above-mentioned sleeve one end, one has the piston that pierces through tip that is slidably disposed in the above-mentioned sleeve, a driving spring that is arranged between above-mentioned pushing member end face and the above-mentioned piston, and one be arranged on above-mentioned sleeve inner and the back-moving spring between this cover tube bottom and above-mentioned piston, this cover tube bottom is provided with a perforate and leaves for and pierce through tip, it is characterized in that above-mentioned piston (5) comprises a flange (15) on its external margin, this flange leans against the top of above-mentioned sleeve (1) and when pressure was applied on the above-mentioned pushing member (2), this flange can break away from above-mentioned piston (5).
4. device as claimed in claim 3 is characterized in that above-mentioned flange (15) comprises a ring (16), and this ring combines with above-mentioned piston (5) by broken securing member (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01116603 CN1380042A (en) | 2001-04-13 | 2001-04-13 | Puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01116603 CN1380042A (en) | 2001-04-13 | 2001-04-13 | Puncture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1380042A true CN1380042A (en) | 2002-11-20 |
Family
ID=4662531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01116603 Pending CN1380042A (en) | 2001-04-13 | 2001-04-13 | Puncture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1380042A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102028479A (en) * | 2010-12-06 | 2011-04-27 | 王振民 | One-off safe and indolent contact pressure type hemostix |
| CN101816564B (en) * | 2005-04-07 | 2012-09-05 | 贝克顿·迪金森公司 | Lancet device |
| US9844330B2 (en) | 2004-11-30 | 2017-12-19 | Becton, Dickinson And Company | Lancet device |
| CN111700649A (en) * | 2020-07-31 | 2020-09-25 | 刘相东 | Novel coronavirus sampling swab and sampling tube |
-
2001
- 2001-04-13 CN CN 01116603 patent/CN1380042A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9844330B2 (en) | 2004-11-30 | 2017-12-19 | Becton, Dickinson And Company | Lancet device |
| CN101816564B (en) * | 2005-04-07 | 2012-09-05 | 贝克顿·迪金森公司 | Lancet device |
| CN102028479A (en) * | 2010-12-06 | 2011-04-27 | 王振民 | One-off safe and indolent contact pressure type hemostix |
| CN111700649A (en) * | 2020-07-31 | 2020-09-25 | 刘相东 | Novel coronavirus sampling swab and sampling tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |