CN101091810A - An injector - Google Patents
An injector Download PDFInfo
- Publication number
- CN101091810A CN101091810A CN 200710143618 CN200710143618A CN101091810A CN 101091810 A CN101091810 A CN 101091810A CN 200710143618 CN200710143618 CN 200710143618 CN 200710143618 A CN200710143618 A CN 200710143618A CN 101091810 A CN101091810 A CN 101091810A
- Authority
- CN
- China
- Prior art keywords
- syringe
- peristome
- push rod
- pin portion
- folder pin
- 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.)
- Pending
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to an injector. It includes the following several portions: injector tube, injector needle seat, hollow injector needle and push rod. Said invention also provides the concrete structure of above-mentioned every portion, and also provides its concrete operation method.
Description
Technical field
The invention belongs to a kind of syringe, concretely, syringe needle can be pulled out the syringe in the back stitching tube after belonging to a kind of injection and finishing.
Background technology
Syringe is a kind of medical instruments commonly used, its large usage quantity.The general structure of syringe shown in soil 1, comprises syringe, and syringe one end has an opening that radius is bigger, and the other end has a sharp mouth shape opening; Be fixed with needle holder at described sharp mouth shape opening part, syringe needle is taken and is fixed with syringe needle, and also comprising from syringe just has the opening than long radius to cooperate as the push rod in the syringe, is provided with rubber seal plug in the end that enters syringe of push rod.In use, promote push rod, the air in the syringe is released from syringe needle, oppositely spur push rod again, suck injection from syringe needle by the sealing function of rubber stopper seal plug, last, syringe needle is thrust the position that needs injection, promote push rod injection is pushed the injection site.
Because syringe belongs to disposal sanitary article, after the above-mentioned steps of finishing, general way is that needle holder is separated with syringe, and separately abandons, but because syringe needle is very sharp, is difficult to the syringe needle that appropriate preservation abandons.In addition, because the consumption of syringe is bigger, though it belongs to expendable consumed product, deal carefully with because it can't obtain damaging after use waiting, still can be repeated sometimes to use, this has just caused potential hygienic issues.
Summary of the invention
One object of the present invention is to solve weak point of the prior art, and a kind of syringe is provided, and this syringe allows syringe needle to be pulled out in the back stitching tube, thereby avoided this thorny problem of processing syringe needle after use.And after use, syringe needle is pulled out back, and syringe is unmake, the probability that can stop to be used once more.
For achieving the above object, a kind of syringe provided by the invention comprises
Syringe has second peristome of first peristome and sharp mouth shape;
Needle holder, comprise the auxiliary section and stretch out from the auxiliary section form folder pin portion, described auxiliary section is connected in sharp mouth shape second peristome of syringe, and described folder pin portion has a groove, has between described folder pin portion and auxiliary section and holds the aperture that hollow pinhead passes through;
Hollow pinhead, order is passed the groove of described folder pin portion, aperture and auxiliary section enter second peristome of sharp mouth shape, the part of described hollow pinhead in the groove of described folder pin portion seals by no strong cohesive property sealant and described folder pin portion, be provided with the barb device in the part that enters sharp mouth shape second peristome, and be provided with peristome with aperture next-door neighbour's position; And
Push rod, from described first peristome enter and slide be matched with described syringe, be fixed with sealing-plug in the end that enters syringe of push rod, also be provided with the clamping part that is used for the described barb device of clamping that outside sealing-plug, extends in described end.
Operating procedure of the present invention is as follows, promotes push rod earlier air in the syringe is discharged, and spurs push rod again and extract injection from injection bottle in syringe, makes syringe needle make progress again and the promotion push rod, and surplus air is discharged along the aperture portion of hollow pinhead.Become to open with hollow pinhead this moment and pierce through the injection site, and the promotion push rod carries out injection operation.In this step, owing to be subjected to the injection site to the chucking power of the thrust of the hollow pinhead no strong cohesive property sealant in the folder pin portion of needle holder to hollow pinhead, hollow pinhead can not be pushed in the needle holder; When promoting push rod when the barb device of hollow pinhead snaps in the clamping part of push rod, the push rod of pulling back, until hollow pinhead is drawn in needle holder and the syringe fully, in this step, because after clamping part and the clamping of barb device, outwards the pulling force of pulling will press from both sides no strong cohesive property sealant in the pin portion to the chucking power of hollow pinhead much larger than needle holder, therefore hollow pinhead can be drawn in the syringe.
Further, described barb device is the barb-like part that is formed on the hollow pinhead.
Further, described barb device is the sleeve pipe with barb that is fixed on the first end of hollow needle.
Further, described push rod has and radially diminishes, and has a broken part than small intensity.
Further, described no strong cohesive property sealant is silicone rubber, UV glue or acrylic resin.
Beneficial effect of the present invention is, has solved the problem that the exhausted syringe needle of conventional syringe can't be dealt carefully with, and syringe needle can be drawn in the syringe after use, thereby solved the problem that syringe needle is handled, and avoid the utilization once more to exhausted syringe.
And this invention has just changed hollow pinhead with respect to traditional disposable syringe, the structure of push rod and sealing-plug, other parts can be identical with present traditional disposable syringe, thereby manufacturer is changed basically a little to existing traditional disposable syringe production line, can realize full-automatic assembling, the cost competitiveness than advantage is arranged.
Description of drawings
Fig. 1 is the structural representation according to the syringe of a kind of specific embodiment of the present invention.
Fig. 2 is the partial enlarged drawing of needle holder and hollow pinhead among Fig. 1.
Fig. 3 A is the structural representation of a kind of concrete real-time mode of hollow pinhead and barb device.
Fig. 3 B is the structural representation of the another kind of concrete real-time mode of hollow pinhead and barb device.
Fig. 4 is the partial enlarged drawing of Access Division described in Fig. 1.
Fig. 5 is according to the barb device of the syringe of a kind of specific embodiment of the present invention and structural representation after the Access Division cooperates.
Fig. 6 be according to the barb device of the syringe of a kind of specific embodiment of the present invention with after the Access Division cooperates, the structural representation when outwards spurring push rod.
Fig. 7 be according to the barb device of the syringe of a kind of specific embodiment of the present invention with after the Access Division cooperates, the structural representation when fractureing push rod.
The specific embodiment
The invention provides a kind of syringe, this syringe allows syringe needle to be pulled out in the back stitching tube, thereby avoided this thorny problem of processing syringe needle after use, below in conjunction with accompanying drawing, the concrete real-time mode of the present invention is elaborated.
With reference to Fig. 1, syringe according to first kind of concrete real-time mode of the present invention comprises syringe 1, needle holder 2, hollow pinhead 3 and push rod 4, wherein, syringe 1 has second peristome 12 of first peristome 11 and sharp mouth shape, 11 places can be provided with the plate 13 that extends radially outwardly at first peristome, so that place finger, in second peristome, 12 outsides needle holder connecting portion 14 can be set, the structure of needle holder connecting portion is known in the prior art; Needle holder 2 is connected in the needle holder connecting portion 14 at sharp mouth shape second opening 12 places of syringe 1, comprise in order to the auxiliary section 21 that cooperates syringe and one outward extending from the auxiliary section, syringe needle folder pin portion 22 with groove, between auxiliary section 21 and folder pin portion 22, be provided with aperture, pass through to allow hollow pinhead 3.
With reference to Fig. 2, hollow pinhead 3 order is passed folder pin portion, and aperture and auxiliary section extend in second peristome of sharp mouth shape of syringe.Wherein, the part in folder pin portion groove is matched with by no strong cohesive property sealant 6 in the groove of folder pin portion 22 of described needle holder 2, and the interior hollow pinhead of second opening portion that extends to syringe is provided with barb device 31; On hollow pinhead, be provided with peristome 32 near the folder pin portion of needle holder and the aperture place between the auxiliary section, this peristome is discharged the gas in the syringe in order to after sucking injection; Its shape can be a hole shape, also can be flute profile.
No strong cohesive property sealant 6 has certain fixation, but can be destroyed under bigger power must act on, and can be silicone rubber, UV glue or acrylic resin etc.
The inner chamber that is matched with described syringe that push rod 4 enters and slides from first peristome 11 is fixed with sealing-plug 5 in the end that enters syringe of push rod 4, also is provided with the outward extending clamping part 41 that is used for the described barb device 31 of clamping in this end.
The structure of clamping part can be as shown in Figure 4, comprise a body 411, one end of body passes the end that sealing-plug 5 is fixed on push rod 4, the other end has opening 412, opening inwardly prolongs curved surface and extends one section formation guide portion 413, continuing inwardly to be provided with a cavity 414, is shoulder 415 between described cavity and the described guide portion.
Push rod as shown in Figure 5, can have radially diminish, have a broken part 42 than small intensity.Push rod moment effect under can fracture in this broken part 42.
Operating procedure of the present invention is as follows, promotes push rod earlier air in the syringe is discharged, and spurs push rod then and extract injection from injection bottle in syringe, makes syringe needle make progress again and the promotion push rod, and surplus air is discharged along the peristome of hollow pinhead.Become to open with hollow pinhead this moment and pierce through the injection site, and the promotion push rod carries out injection operation.In this step, because the no strong cohesive property sealant of the thrust that is subjected to injection part in the folder pin portion of needle holder be to the chucking power of hollow pinhead, hollow pinhead can not be pushed in the needle holder; When promoting push rod when the barb device of hollow pinhead snaps in the clamping part of push rod, as shown in Figure 5, outwards spur push rod, until hollow pinhead is drawn in needle holder and the syringe fully, with reference to Fig. 6, in this step, because after clamping part and the clamping of barb device, outwards the pulling force of pulling will press from both sides no strong cohesive property sealant in the pin portion to the chucking power of hollow pinhead much larger than needle holder, therefore hollow pinhead can be drawn in the syringe; At last, preferred, with reference to Fig. 7, can apply moment to push rod, like this, push rod can be in the broken part 42 fractures.
Only being preferred embodiment of the present invention in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application change and modification, all should belong to technology category of the present invention.
Claims (5)
1. a syringe is characterized in that: comprise
Syringe has second peristome of first peristome and sharp mouth shape;
Needle holder, comprise the auxiliary section and stretch out from the auxiliary section form folder pin portion, described auxiliary section is connected in sharp mouth shape second peristome of syringe, and described folder pin portion has a groove, has between described folder pin portion and auxiliary section and holds the aperture that hollow pinhead passes through;
Hollow pinhead, order is passed the groove of described folder pin portion, aperture and auxiliary section enter second peristome of sharp mouth shape, the part of described hollow pinhead in the groove of described folder pin portion seals by no strong cohesive property sealant and described folder pin portion, be provided with the barb device in the part that enters sharp mouth shape second peristome, and be provided with peristome with aperture next-door neighbour's position; And
Push rod, from described first peristome enter and slide be matched with described syringe, be fixed with sealing-plug in the end that enters syringe of push rod, also be provided with the clamping part that is used for the described barb device of clamping that outside sealing-plug, extends in described end.
2. syringe according to claim 1 is characterized in that: described barb device is to be converted into the hollow pinhead bottom barb-like.
3. syringe according to claim 1 is characterized in that: described barb device is the sleeve pipe with barb that is fixed on the first end of hollow needle.
4. syringe according to claim 1 is characterized in that: described no strong cohesive property sealant comprises silicone rubber, UV glue or acrylic resin.
5. according to any described syringe in the claim 1 to 4, it is characterized in that: described push rod has and radially diminishes, and has the broken part than small intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710143618 CN101091810A (en) | 2007-08-15 | 2007-08-15 | An injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710143618 CN101091810A (en) | 2007-08-15 | 2007-08-15 | An injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101091810A true CN101091810A (en) | 2007-12-26 |
Family
ID=38990366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710143618 Pending CN101091810A (en) | 2007-08-15 | 2007-08-15 | An injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101091810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123308A (en) * | 2015-08-31 | 2015-12-09 | 重庆雪瑞盛泉农业开发有限公司 | Coaxial push-in-type tree injection tool |
| CN113423447A (en) * | 2018-10-25 | 2021-09-21 | 夏普斯技术有限公司 | Pre-filled safety syringes and injector systems |
-
2007
- 2007-08-15 CN CN 200710143618 patent/CN101091810A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123308A (en) * | 2015-08-31 | 2015-12-09 | 重庆雪瑞盛泉农业开发有限公司 | Coaxial push-in-type tree injection tool |
| CN105123308B (en) * | 2015-08-31 | 2018-10-30 | 重庆雪瑞盛泉农业开发有限公司 | Coaxial push-in type tree injection apparatus |
| CN113423447A (en) * | 2018-10-25 | 2021-09-21 | 夏普斯技术有限公司 | Pre-filled safety syringes and injector systems |
| CN113423447B (en) * | 2018-10-25 | 2024-04-23 | 夏普斯技术有限公司 | Prefilled safety syringe and injector system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1967147A3 (en) | Puncture device for retrieving an organic sample | |
| CN101091810A (en) | An injector | |
| US7188537B2 (en) | Bung for an aspiration assembly | |
| WO2004039441A3 (en) | Vacuum auto-retractable safety syringe | |
| CN201108644Y (en) | Improved syringe | |
| CN203074713U (en) | Blood sampling device for clinical laboratory | |
| CN2551256Y (en) | Improved syringe | |
| CN206792414U (en) | A kind of emergency treatment bloodletting instrument | |
| CN201840707U (en) | Syringe negative-pressure locking device | |
| CN208677405U (en) | A kind of animal quarantine blood sampler | |
| CN208160629U (en) | A kind of novel medullo-puncture needle | |
| CN208741746U (en) | It is a kind of to repeat the PICC connector disconnected and decompression sleeve | |
| CN2899813Y (en) | Anti-pollution injector needle | |
| CN215959895U (en) | A transfer device of keeping in of blood for virus antibody detects | |
| CN201055573Y (en) | Disposable syringe | |
| CN202223266U (en) | Vaginal secretion extracter | |
| CN201533843U (en) | Disposable test-tube blood taking needle | |
| CN204446817U (en) | A kind of syringe | |
| CN1239211C (en) | Environment-protecting type aseptic injector | |
| CN2175932Y (en) | Disposable blood sampling test tube | |
| CN206063547U (en) | A kind of injection needle for endoscope | |
| CN202569171U (en) | Medical disposable air injector | |
| CN201409944Y (en) | Sleeve in bone cement adding device | |
| CN2892116Y (en) | Injector | |
| CN200954110Y (en) | Disposable test-tube blood-taking device |
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 |