CN203634583U - Pre-filling injector - Google Patents

Pre-filling injector Download PDF

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Publication number
CN203634583U
CN203634583U CN201320777065.8U CN201320777065U CN203634583U CN 203634583 U CN203634583 U CN 203634583U CN 201320777065 U CN201320777065 U CN 201320777065U CN 203634583 U CN203634583 U CN 203634583U
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CN
China
Prior art keywords
spiral base
outer sleeve
cylinder neck
plug
place
Prior art date
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Withdrawn - After Issue
Application number
CN201320777065.8U
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Chinese (zh)
Inventor
张林锋
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PEPM Medical Technology Co Ltd
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Wenzhou Beipu Science & Technology Co Ltd
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Priority to CN201320777065.8U priority Critical patent/CN203634583U/en
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Publication of CN203634583U publication Critical patent/CN203634583U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a pre-filling injector. The technical scheme includes that the front end of the injector is provided with at least one communicating base, and a portable bottle is arranged in a sleeve of the injector. At the initial state, the communicating base and the portable bottle are separated. During use, the communicating base or the portable bottle can be moved to be communicated and complete injection. The pre-filling injector has the advantages that liquid medicine is free of suction and used directly when being injected or flushed, operation steps are reduced, and cross infection risk is decreased. The pre-filling injector can be realized by additionally mounting an injector onto an existing liquid medicine bottle, while the problem that other pre-encapsulating injectors, catheter flushers, pre-filling type flushing pipe injectors requires rebuilding of a special production line is solved, and limits for popularization and use can be greatly reduced.

Description

Precharging type syringe
Technical field
This utility model relates to the technical field of medical apparatus and instruments, precharging type syringe specifically, particularly its mechanical connecting structure.
Background technology
Documents one, the patent No.: CN201080065717.4, the applying date: 2010.12.28, application publication number: CN102821803A, patentee: Terumo Corp, this case discloses " a kind of precharging type syringe ", it is made up of precharging type syringe main body and plunger, this precharging type syringe main body is by urceolus, be accommodated in the pad in this urceolus in the mode that can slide in this urceolus, be used for the containment member of the front end opening that seals above-mentioned urceolus, the medicament that is accommodated in the medicine containing portion being formed in above-mentioned urceolus forms, this plunger has been installed on above-mentioned pad or can be installed on above-mentioned pad, it is characterized in that, above-mentioned pad is the cylindrical body of front end sealing and open rearward end, and extend to the gasket body of inner cavity of front and the plunger mounting member that is installed on above-mentioned gasket body forms by having from the opening of rear end, above-mentioned gasket body has the plunger mounting member anticreep rib of the inner surface of being located at above-mentioned inner cavity, above-mentioned plunger mounting member is to have the hollow bulb that extends through rear end from front end, and can be accommodated in the cylindrical body in the above-mentioned inner cavity of above-mentioned gasket body, this plunger mounting member comprises: outer surface protuberance, it is located at the outer surface of this plunger mounting member, limiting above-mentioned plunger mounting member for engaging with rib with the above-mentioned plunger mounting member anticreep of above-mentioned gasket body departs from from above-mentioned gasket body, multiple inner protuberance that can strain, its medial part from above-mentioned rear end side extends obliquely to center position and the front extreme direction of above-mentioned plunger mounting member, has free end in the position at the center that does not arrive above-mentioned plunger mounting member, plunger anticreep engaging portion, it is formed at above-mentioned multiple inner protuberance free end portion separately, and above-mentioned plunger comprises: pushing portion, in the time above-mentioned plunger being installed to above-mentioned pad, this pushing portion can push the rearward end of above-mentioned gasket body, leading section, it is side-prominent from this pushing portion forward end, can enter in above-mentioned plunger mounting member, outer surface jut, it is located at the outer surface of this leading section, for engaging by engaging portion with the above-mentioned plunger anticreep of above-mentioned plunger mounting member, and, under the state engaging with the outer surface protuberance of above-mentioned plunger mounting member with rib at the plunger mounting member anticreep of above-mentioned gasket body, above-mentioned plunger mounting member is installed, and in the time above-mentioned plunger being installed to above-mentioned pad, the above-mentioned leading section of above-mentioned plunger does not contact with the inner surface of above-mentioned gasket body.
Documents two, the patent No.: CN201080028000.2, the applying date: 2010.06.23, application publication number: CN102458515A, patentee: Tuo Yuan medical skill company limited, this case discloses a kind of " precharging type syringe or automatic injection pipe ", comprising: rigidity syringe body; The first container, described the first container and described medicament contact and seal described medicine; And second container, described second container is sealed described the first container, and described second container is still less more ventilative than described the first container, and wherein, described second container partly or entirely forms described rigidity syringe body or remains in described rigidity syringe body.
Documents three, the patent No.: CN200820027626.1, the applying date: 2008.08.29, application publication number: CN201253392, patentee: Zibo Minkang Pharmaceutical Packaging Co., Ltd., Shandong, this case discloses a kind of " pre-filled medicinal liquid injector ", comprise syringe needle, syringe and push rod, glass syringe bottom is provided with flange, it is characterized in that: syringe is integral type glass syringe, in the cone of glass syringe front end, plug-in mounting is fixed with syringe needle, syringe needle pin hole communicates with glass needle tube inner chamber, on syringe needle, be fitted with syringe needle sealing cap, glass needle tube inner chamber is fitted with medical grade rubber piston, between piston and push rod, be threaded, glass syringe bottom flange is provided with two trimmings.
Existing pre-encapsulated injector, catheter flusher, rush formula flushing syringe in advance and need to re-establish special production line and could produce, greatly improved use threshold, be unfavorable for popularizing, do not utilize and reduce costs.
Summary of the invention
The purpose of this utility model is to provide precharging type syringe, and it uses existing medicinal liquid bottle (as clamped bottle), in syringe inside, medicine bottle stopper is pierced through, and connection injection pipeline carries out clinical injection or rinse using.When injection or flushing, without carrying out medicinal liquid suction, can directly use, reduce operating procedure, reduce cross infection chance; And could produce without re-establishing special production line, can utilize existing medicinal liquid bottle to install syringe additional and just can realize, greatly reduce the universal threshold using, overcome the shortcoming and defect existing in prior art.
To achieve these goals, this patent project organization is that syringe front end must, with at least one connection seat, be provided with a clamped bottle in injector cartridge, and original state is communicated with seat and clamped bottle is separately shape, when use, can move and be communicated with seat or clamped bottle, make its connection and complete injection.
The first technical scheme of the present utility model is: precharging type syringe, it comprises outer sleeve, in described outer sleeve, be provided with clamped bottle, the cylinder neck place of outer sleeve upper end is provided with spiral base, spiral base bottom is provided with puncture needle, this puncture needle afterbody runs through spiral base lower lumen, and be communicated with the through hole on spiral base top, puncture needle top protrudes from spiral base bottom and is positioned at the cylinder neck of outer sleeve, the inwall place of outer sleeve inner chamber is provided with a fixed cover, fixed cover upper end props up clamped bottle lower end, the plug of core bar upper end is positioned at the cavity of clamped bottle near lower end, clamped bottle upper end is provided with sealing-plug, in clamped bottle cavity between sealing-plug and plug, form closed state.
To achieve these goals, the second technical scheme of the present utility model is: precharging type syringe, it comprises outer sleeve, in described outer sleeve, be provided with clamped bottle, the cylinder neck place of outer sleeve upper end is provided with spiral base, spiral base is connected with the cylinder neck of outer sleeve upper end by external screw thread knob seat, the cylinder neck of outer sleeve upper end is rotatably connected in external screw thread knob seat outside, spiral base bottom is provided with puncture needle, this puncture needle afterbody runs through spiral base lower lumen, and be communicated with the through hole on spiral base top, puncture needle top protrudes from spiral base bottom and is positioned at the cylinder neck of outer sleeve, the inwall place of outer sleeve inner chamber is provided with a fixed cover, fixed cover upper end props up clamped bottle lower end, the plug of core bar upper end is positioned at the cavity of clamped bottle near lower end, clamped bottle upper end is provided with sealing-plug, in clamped bottle cavity between sealing-plug and plug, form closed state.
To achieve these goals, the 3rd technical scheme of the present utility model is: precharging type syringe, it comprises outer sleeve, in described outer sleeve, be provided with clamped bottle, the cylinder neck place of outer sleeve upper end is provided with spiral base, spiral base is connected with the cylinder neck of outer sleeve upper end by female thread knob seat, female thread knob seat is rotatably connected in the cylinder neck outside of outer sleeve upper end, spiral base bottom is provided with puncture needle, this puncture needle afterbody runs through spiral base lower lumen, and be communicated with the through hole on spiral base top, puncture needle top protrudes from spiral base bottom and is positioned at outer sleeve cylinder neck, the inwall place of outer sleeve inner chamber is provided with a fixed cover, fixed cover upper end props up clamped bottle lower end, the plug of core bar upper end is positioned at the cavity of clamped bottle near lower end, clamped bottle upper end is provided with sealing-plug, in clamped bottle cavity between sealing-plug and plug, form closed state.
To achieve these goals, the 4th technical scheme of the present utility model is: precharging type syringe, it comprises outer sleeve, in described outer sleeve, be provided with clamped bottle, between the cylinder neck lower end of clamped bottle upper end and outer sleeve upper end, form spacing, the cylinder neck place of outer sleeve upper end is provided with spiral base, spiral base is fixedly connected with outer sleeve, spiral base bottom is provided with puncture needle, this puncture needle afterbody runs through spiral base lower lumen, and be communicated with the through hole on spiral base top, puncture needle top protrudes from spiral base bottom and is positioned at the cylinder neck of outer sleeve, the inwall place of outer sleeve inner chamber is provided with a fixed cover, fixed cover upper end props up clamped bottle lower end, the plug of core bar upper end is positioned at the cavity of clamped bottle near lower end, clamped bottle upper end is provided with sealing-plug, in clamped bottle cavity between sealing-plug and plug, form closed state.
The utility model discloses precharging type syringe, when its advantage is injection or flushing, without carrying out medicinal liquid suction, can directly use, reduced operating procedure, reduced cross infection chance; This patent can utilize existing medicinal liquid bottle to install syringe additional and just can realize, and other pre-encapsulated injector, catheter flusher, rushes formula flushing syringe in advance and need to re-establish special production line and could produce, and can greatly reduce the universal threshold using.
Brief description of the drawings
Fig. 1 is this utility model the first example structure schematic diagram.
Fig. 2 is this utility model the first embodiment initial condition figure.
Fig. 3 is that this utility model the first embodiment puncture needle penetrates sealing-plug state diagram.
Fig. 4 is this utility model the first embodiment view while having injected.
Fig. 5 is this utility model the second example structure schematic diagram.
Fig. 6 is this utility model the second embodiment initial condition figure.
Fig. 7 is that this utility model the second embodiment puncture needle penetrates sealing-plug state diagram.
Fig. 8 is this utility model the second embodiment view while having injected.
Fig. 9 is this utility model the 3rd example structure schematic diagram.
Figure 10 is this utility model the 3rd embodiment initial condition figure.
Figure 11 is that this utility model the 3rd embodiment puncture needle penetrates sealing-plug state diagram.
Figure 12 is this utility model the 3rd embodiment view while having injected.
Figure 13 is this utility model the 4th example structure schematic diagram.
Figure 14 is this utility model the 4th embodiment initial condition figure.
Figure 15 is that this utility model the 4th embodiment puncture needle penetrates sealing-plug state diagram.
Figure 16 is this utility model the 4th embodiment view while having injected.
Figure 17 is this utility model the 5th example structure schematic diagram.
Figure 18 is this utility model the 5th embodiment initial condition figure.
Figure 19 is that this utility model the 5th embodiment puncture needle penetrates sealing-plug state diagram.
Figure 20 is this utility model the 5th embodiment view while having injected.
Figure 21 is this utility model the 6th example structure schematic diagram.
Figure 22 is this utility model the 6th embodiment original state schematic diagram.
Figure 23 is that this utility model the 6th embodiment promotes cassette ampuliform state schematic diagram.
Figure 24 is that this utility model the 6th embodiment promotes core bar view.
Figure 25 is this utility model the 6th embodiment view while having injected.
Figure 26 is this utility model the 6th embodiment fixed cover structural representation.
Detailed description of the invention
With reference to the accompanying drawings, this utility model is further described.
This utility model is precharging type syringe, in this utility model patent the first embodiment, it comprises outer sleeve 5, it is different from prior art and is: in described outer sleeve 5, be provided with clamped bottle 2, the cylinder neck place of outer sleeve 5 upper ends is provided with spiral base 1, spiral base 1 bottom is provided with puncture needle 6, these puncture needle 6 afterbodys run through spiral base 1 lower lumen, and be communicated with the through hole 101 on spiral base 1 top, puncture needle 6 tops protrude from spiral base 1 bottom and are positioned at the cylinder neck of outer sleeve 5, puncture needle 6 free ends form thorn point 601, the inwall place of outer sleeve 5 inner chambers is provided with a fixed cover 3, fixed cover 3 upper ends prop up clamped bottle 2 lower ends, the plug 7 of core bar 4 upper ends is positioned at the cavity of clamped bottle 2 near lower end, clamped bottle 2 upper ends are provided with sealing-plug 201, in clamped bottle 2 cavitys between sealing-plug 201 and plug 7, form closed state.The cylinder neck inwall place of described outer sleeve 5 is provided with holddown groove 501 from top to bottom successively, put snap ring 502 outward, snap ring 503 under overcoat, spiral base 1 outer wall place, bottom is provided with spacer 102 from top to bottom successively, card convex ring 103 in spiral base annular, in above-mentioned spiral base annular, card convex ring 103 is positioned at the outer snap ring 502 that puts, under overcoat between snap ring 503, spiral base 1 and outer sleeve 5 are locked mutually, holddown groove 501 is all longitudinal distribution with spacer 102, and cooperatively interact, spacer 102 is slidably connected in holddown groove 501, the upper lower limb that puts snap ring 502 outward all forms guiding bevel edge, under overcoat, snap ring 503 top edges also form guiding bevel edge, in spiral base annular, card convex ring 103 lower limbs also form guiding bevel edge, in spiral base annular, the external diameter of card convex ring 103 is greater than outer snap ring 503 internal diameters under snap ring 502 internal diameters and overcoat that put.In actual use, card convex ring 103 puts outward under snap ring 502, overcoat between snap ring 503 in initial condition spiral base annular, spiral base 1 remains static, spiral base 1 locks mutually with the cylinder cervical region of outer sleeve 5, spiral base 1 is pressed down into, in spiral base annular, card convex ring 103 skims over snap ring 503 under overcoat, simultaneously, spacer 102 inserts downwards in holddown groove 501, effectively prevent that spiral base 1 from rotating, the thorn point 601 of puncture needle 6 free ends punctures sealing-plug 201, and clamped bottle inner chamber is communicated with puncture needle 6, through hole 101, promotes forward core bar and just can inject.
This utility model is precharging type syringe, in this utility model patent the second embodiment, it comprises outer sleeve 5, it is different from prior art and is: in described outer sleeve 5, be provided with clamped bottle 2, the cylinder neck place of outer sleeve 5 upper ends is provided with spiral base 1, spiral base 1 bottom is provided with puncture needle 6, these puncture needle 6 afterbodys run through spiral base 1 lower lumen, and be communicated with the through hole 101 on spiral base 1 top, puncture needle 6 tops protrude from spiral base 1 bottom and are positioned at the cylinder neck of outer sleeve 5, the inwall place of outer sleeve 5 inner chambers is provided with a fixed cover 3, fixed cover 3 upper ends prop up clamped bottle 2 lower ends, the plug 7 of core bar 4 upper ends is positioned at the cavity of clamped bottle 2 near lower end, clamped bottle 2 upper ends are provided with sealing-plug 201, in clamped bottle 2 cavitys between sealing-plug 201 and plug 7, form closed state.The cylinder neck inwall place of described outer sleeve 5 is provided with holddown groove 501 from top to bottom successively, inverse toroidal limited step 504, elastic spacing ring 505, these elastic spacing ring 505 tops are connected with the cylinder neck inwall of outer sleeve 5, remainder all becomes hanging shape, and and form gap 511 between cylinder neck inwall, elastic spacing ring 505 lower ends form plane 507, spiral base 1 outer wall place, bottom is provided with spacer 102 from top to bottom successively, card convex ring 103 in spiral base annular, in spiral base annular, the ring-shaped step 104 matching with inverse toroidal limited step 504 is formed at card convex ring 103 tops, the internal diameter of elastic spacing ring 505 is less than card convex ring 103 external diameters in spiral base annular, in spiral base annular, card convex ring 103 lower inner edge form guiding bevel edge, elastic spacing ring 505 upper inner edge also form guiding bevel edge, in spiral base annular, card convex ring 103 is between inverse toroidal limited step 504 and elastic spacing ring 505, in spiral base annular, the ring-shaped step 104 of card convex ring 103 upwards props up inverse toroidal limited step 504, prevent that spiral base 1 from skidding off the cylinder neck of outer sleeve 5, both lock mutually, holddown groove 501 is all longitudinal distribution with spacer 102, and cooperatively interact, spacer 102 is slidably connected in holddown groove 501.In actual use, in spiral base annular, card convex ring 103 is between inverse toroidal limited step 504 and elastic spacing ring 505, spiral base 1 remains static, spiral base 1 locks mutually with the cylinder cervical region of outer sleeve 5, spiral base 1 is pressed down into, in spiral base annular, card convex ring 103 skims over elastic spacing ring 505, elastic spacing ring 505 resets and props up card convex ring 103 in spiral base annular under backward, stop spiral base 1 to top offset, and lock it, simultaneously, spacer 102 inserts downwards in holddown groove 501, effectively prevent that spiral base 1 from rotating, the thorn point 601 of puncture needle 6 free ends punctures sealing-plug 201, clamped bottle inner chamber and puncture needle 6, through hole 101 is communicated with, promoting forward core bar just can inject.
This utility model is precharging type syringe, in this utility model patent the 3rd embodiment, it comprises outer sleeve 5, it is different from prior art and is: in described outer sleeve 5, be provided with clamped bottle 2, the cylinder neck place of outer sleeve 5 upper ends is provided with spiral base 1, spiral base 1 bottom is provided with puncture needle 6, these puncture needle 6 afterbodys run through spiral base 1 lower lumen, and be communicated with the through hole 101 on spiral base 1 top, puncture needle 6 tops protrude from spiral base 1 bottom and are positioned at the cylinder neck of outer sleeve 5, the inwall place of outer sleeve 5 inner chambers is provided with a fixed cover 3, fixed cover 3 upper ends prop up clamped bottle 2 lower ends, the plug 7 of core bar 4 upper ends is positioned at the cavity of clamped bottle 2 near lower end, clamped bottle 2 upper ends are provided with sealing-plug 201, in clamped bottle 2 cavitys between sealing-plug 201 and plug 7, form closed state.The cylinder neck inwall place of described outer sleeve 5 is provided with overcoat female thread 506 from top to bottom successively, overcoat snap ring 507, in the cylinder neck of outer sleeve 5, be provided with sleeve column 508 in a neck, in the cylinder neck inwall of outer sleeve 5 and cylinder neck, between sleeve column 508, form circular bottom part 509, circular bottom part 509 places are provided with locating slot 510, in cylinder neck, sleeve column 508 outer wall places are provided with holddown groove 501, spiral base 1 outer wall place, bottom is provided with fastener 105 in spiral base, spiral base 1 lower end is provided with the locating rod 106 coordinating with locating slot 510, spiral base 1 bottom is respectively equipped with cylindrical cover 107 and interior needle stand 108, between cylindrical cover 107 and interior needle stand 108, be provided with the spacer 102 coordinating with holddown groove 501, spacer 102 is slidably connected in holddown groove 501.In actual use, spiral base 1 screws in overcoat female thread 506 by fastener in spiral base 105, spiral base 1 remains static, spiral base 1 locks mutually with the cylinder cervical region of outer sleeve 5, further, rotating screw seat 1 is when turning motionless, toward pressing down spiral base 1, in spiral base, fastener 105 skims over overcoat snap ring 507, overcoat snap ring 507 stops spiral base 1 to top offset, and lock it, simultaneously, spacer 102 inserts downwards in holddown groove 501, effectively prevent that spiral base 1 from rotating, locating rod 106 inserts in locating slot 510, the thorn point 601 of puncture needle 6 free ends punctures sealing-plug 201, clamped bottle inner chamber and puncture needle 6, through hole 101 is communicated with, promoting forward core bar just can inject.
This utility model is precharging type syringe, in this utility model patent the 4th embodiment, it comprises outer sleeve 5, it is different from prior art and is: in described outer sleeve 5, be provided with clamped bottle 2, the cylinder neck place of outer sleeve 5 upper ends is provided with spiral base 1, spiral base 1 is connected with the cylinder neck of outer sleeve 5 upper ends by external screw thread knob seat 8, the cylinder neck of outer sleeve 5 upper ends is rotatably connected in external screw thread knob seat 8 outsides, spiral base 1 bottom is provided with puncture needle 6, these puncture needle 6 afterbodys run through spiral base 1 lower lumen, and be communicated with the through hole 101 on spiral base 1 top, puncture needle 6 tops protrude from spiral base 1 bottom and are positioned at the cylinder neck of outer sleeve 5, the inwall place of outer sleeve 5 inner chambers is provided with a fixed cover 3, fixed cover 3 upper ends prop up clamped bottle 2 lower ends, the plug 7 of core bar 4 upper ends is positioned at the cavity of clamped bottle 2 near lower end, clamped bottle 2 upper ends are provided with sealing-plug 201, in clamped bottle 2 cavitys between sealing-plug 201 and plug 7, form closed state.The cylinder neck inwall place of described outer sleeve 5 is provided with overcoat female thread 506, in the cylinder neck of outer sleeve 5, be provided with sleeve column 508 in a neck, in the cylinder neck inwall of outer sleeve 5 and cylinder neck, between sleeve column 508, form circular bottom part 509, in cylinder neck, sleeve column 508 outer wall places are provided with holddown groove 501, external screw thread knob seat 8 is tubular, its outer wall place is provided with the external screw thread 801 coordinating with overcoat female thread 506, external screw thread knob seat 8 upper end open places are provided with knob base annular stop snap ring 802, spiral base 1 bottom is positioned at external screw thread knob seat 8 intracavity, spiral base 1 outer wall place, bottom is provided with the spacing preiection portion 109 coordinating with knob base annular stop snap ring 802, the spiral base 1 outer wall place, bottom of spacing preiection portion 109 belows is provided with the spacer 102 coordinating with holddown groove 501, spacer 102 is slidably connected in holddown groove 501, the external diameter on spiral base 1 top is greater than the external diameter of bottom, between spiral base 1 top and bottom, form the step plane 110 of drop, this step plane 110 props up external screw thread knob seat 8 upper end open downwards.In the time that reality is used, rotation external screw thread knob seat 8 drives spiral base 1 to bottom offset, until the thorn point 601 of puncture needle 6 free ends punctures sealing-plug 201, clamped bottle inner chamber is communicated with puncture needle 6, through hole 101, simultaneously, spacer 102 inserts in holddown groove 501 downwards, effectively prevents that spiral base 1 from rotating, and promotes forward core bar and just can inject.
This utility model is precharging type syringe, in this utility model patent the 5th embodiment, it comprises outer sleeve 5, it is different from prior art and is: in described outer sleeve 5, be provided with clamped bottle 2, the cylinder neck place of outer sleeve 5 upper ends is provided with spiral base 1, spiral base 1 is connected with the cylinder neck of outer sleeve 5 upper ends by female thread knob seat 9, female thread knob seat 9 is rotatably connected in the cylinder neck outside of outer sleeve 5 upper ends, spiral base 1 bottom is provided with puncture needle 6, these puncture needle 6 afterbodys run through spiral base 1 lower lumen, and be communicated with the through hole 101 on spiral base 1 top, puncture needle 6 tops protrude from spiral base 1 bottom and are positioned at the cylinder neck of outer sleeve 5, the inwall place of outer sleeve 5 inner chambers is provided with a fixed cover 3, fixed cover 3 upper ends prop up clamped bottle 2 lower ends, the plug 7 of core bar 4 upper ends is positioned at the cavity of clamped bottle 2 near lower end, clamped bottle 2 upper ends are provided with sealing-plug 201, in clamped bottle 2 cavitys between sealing-plug 201 and plug 7, form closed state.The cylinder neck outer wall place of described outer sleeve 5 is provided with overcoat external screw thread 512, the cylinder neck inwall place of outer sleeve 5 is provided with holddown groove 501, female thread knob seat 9 is tubular, its inwall place is provided with the female thread 901 coordinating with overcoat external screw thread 512, female thread knob seat 9 upper end open places are provided with knob base annular stop bulge loop 902, spiral base 1 bottom is positioned at female thread knob seat 9 intracavity, spiral base 1 outer wall place, bottom is provided with the spacing preiection portion 109 coordinating with knob base annular stop bulge loop 902, the spiral base 1 outer wall place, bottom of spacing preiection portion 109 belows is provided with the spacer 102 coordinating with holddown groove 501, spacer 102 is slidably connected in holddown groove 501, the external diameter on spiral base 1 top is greater than the external diameter of bottom, between spiral base 1 top and bottom, form the step plane 110 of drop, this step plane 110 props up female thread knob seat 9 upper end open downwards.In the time that reality is used, rotation female thread knob seat 9 drives spiral base 1 to bottom offset, until the thorn point 601 of puncture needle 6 free ends punctures sealing-plug 201, clamped bottle inner chamber is communicated with puncture needle 6, through hole 101, simultaneously, spacer 102 inserts in holddown groove 501 downwards, effectively prevents that spiral base 1 from rotating, and promotes forward core bar and just can inject.
This utility model is precharging type syringe, in this utility model patent the 6th embodiment, it comprises outer sleeve 5, it is different from prior art and is: in described outer sleeve 5, be provided with clamped bottle 2, between the cylinder neck lower end of clamped bottle 2 upper ends and outer sleeve 5 upper ends, form spacing 10, the cylinder neck place of outer sleeve 5 upper ends is provided with spiral base 1, spiral base 1 is fixedly connected with outer sleeve 5, spiral base 1 bottom is provided with puncture needle 6, these puncture needle 6 afterbodys run through spiral base 1 lower lumen, and be communicated with the through hole 101 on spiral base 1 top, puncture needle 6 tops protrude from spiral base 1 bottom and are positioned at the cylinder neck of outer sleeve 5, the inwall place of outer sleeve 5 inner chambers is provided with a fixed cover 3, fixed cover 3 upper ends prop up clamped bottle 2 lower ends, the plug 7 of core bar 4 upper ends is positioned at the cavity of clamped bottle 2 near lower end, clamped bottle 2 upper ends are provided with sealing-plug 201, in clamped bottle 2 cavitys between sealing-plug 201 and plug 7, form closed state.The jacket wall of described fixed cover 3 forms hook 301 to the inside, link up with 301 downward extension 302 lower ends and form stop hook 303 to jacket wall outside, the stop hook 303 of this extension 302 and lower end thereof is all hanging shape, the stop hook 303 of this extension 302 and lower end thereof prizes taking stop hook 303 root fixing points as fulcrum, outer sleeve 5 inwall places form the overcoat room 513 coordinating with stop hook 303, the outer casing inner wall place of 513 lower ends, overcoat room forms non-return step 514, the upper lower limb of stop hook 303 all forms guiding surface, core bar 4 body of rod places of plug 7 bottoms are provided with the circular collar 401 coordinating with stop hook 303, distance between two stop hooks 303 is less than circular collar 401 external diameters, circular collar 401 edges upwards prop up stop hook 303 lower edge, the inner chamber barrel place of outer sleeve 5 forms the reverse limited step 515 of ring-type.In the time that reality is used, promote forward core bar, circular collar 401 props up forward hook 301, simultaneously, drive fixed cover 3 displacement forward together with clamped bottle 2, until being punctured the thorn point 601 of pin 6 free ends, the sealing-plug 201 of clamped bottle upper end punctures, clamped bottle inner chamber is communicated with puncture needle 6, through hole 101, now, stop hook 303 falls in overcoat room 513, under the effect of non-return step 514, locks, displacement forward or backward again, promote forward core bar, circular collar 401 skims over hook 301, just can carry out injection operation again.
In the specific implementation, above-mentioned spiral base 1 top is made up of outside band female thread outer sleeve and interior sleeve column, and this interior sleeve column is 6:100 tapering, and said structure formation capable of changing needle portion, can mix positive pressure connector or entry needle thrusts calparine cap.
In the specific implementation, puncture needle 6 has two kinds of connected modes with spiral base, the first connected mode, and puncture needle is metal material, is bonded in spiral base centre bit; The second connected mode, puncture needle and the molding of spiral base integral molded plastic, form plastics needle point.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that the concrete enforcement of this utility model is confined to above-mentioned these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (10)

1. precharging type syringe, it comprises outer sleeve (5), it is characterized in that: in described outer sleeve (5), be provided with clamped bottle (2), the cylinder neck place of outer sleeve (5) upper end is provided with spiral base (1), spiral base (1) bottom is provided with puncture needle (6), this puncture needle (6) afterbody runs through spiral base (1) lower lumen, and be communicated with the through hole (101) on spiral base (1) top, puncture needle (6) top protrudes from spiral base (1) bottom and is positioned at the cylinder neck of outer sleeve (5), the inwall place of outer sleeve (5) inner chamber is provided with a fixed cover (3), fixed cover (3) upper end props up clamped bottle (2) lower end, the plug (7) of core bar (4) upper end is positioned at the cavity of clamped bottle (2) near lower end, clamped bottle (2) upper end is provided with sealing-plug (201), in clamped bottle (2) cavity between sealing-plug (201) and plug (7), form closed state.
2. needle stand structure in one according to claim 1, it is characterized in that: the cylinder neck inwall place of described outer sleeve (5) is provided with holddown groove (501) from top to bottom successively, put snap ring (502) outward, snap ring under overcoat (503), outer wall place, spiral base (1) bottom is provided with spacer (102) from top to bottom successively, card convex ring (103) in spiral base annular, in above-mentioned spiral base annular, card convex ring (103) is positioned at the outer snap ring (502) that puts, between snap ring under overcoat (503), spiral base (1) and outer sleeve (5) are locked mutually, holddown groove (501) is all longitudinal distribution with spacer (102), and cooperatively interact, spacer (102) is slidably connected in holddown groove (501), the upper lower limb that puts snap ring (502) outward all forms guiding bevel edge, snap ring under overcoat (503) top edge also forms guiding bevel edge, in spiral base annular, card convex ring (103) lower limb also forms guiding bevel edge, in spiral base annular, the external diameter of card convex ring (103) is greater than outer snap ring (503) internal diameter under snap ring (502) internal diameter and overcoat that puts.
3. precharging type syringe according to claim 1, it is characterized in that: the cylinder neck inwall place of described outer sleeve (5) is provided with holddown groove (501) from top to bottom successively, inverse toroidal limited step (504), elastic spacing ring (505), this elastic spacing ring (505) top is connected with the cylinder neck inwall of outer sleeve (5), remainder all becomes hanging shape, and and between cylinder neck inwall, form gap (511), elastic spacing ring (505) lower end forms plane (507), outer wall place, spiral base (1) bottom is provided with spacer (102) from top to bottom successively, card convex ring (103) in spiral base annular, in spiral base annular, the ring-shaped step (104) matching with inverse toroidal limited step (504) is formed at card convex ring (103) top, the interior strength of elastic spacing ring (505) is less than card convex ring (103) external diameter in spiral base annular, in spiral base annular, card convex ring (103) lower inner edge forms guiding bevel edge, elastic spacing ring (505) upper inner edge also forms guiding bevel edge, in spiral base annular, card convex ring (103) is positioned between inverse toroidal limited step (504) and elastic spacing ring (505), in spiral base annular, the ring-shaped step (104) of card convex ring (103) upwards props up inverse toroidal limited step (504), prevent that spiral base (1) from skidding off the cylinder neck of outer sleeve (5), both lock mutually, holddown groove (501) is all longitudinal distribution with spacer (102), and cooperatively interact, spacer (102) is slidably connected in holddown groove (501).
4. precharging type syringe according to claim 1, it is characterized in that: the cylinder neck inwall place of described outer sleeve (5) is provided with overcoat female thread (506) from top to bottom successively, overcoat snap ring (507), in the cylinder neck of outer sleeve (5), be provided with sleeve column (508) in a neck, in the cylinder neck inwall of outer sleeve (5) and cylinder neck, between sleeve column (508), form circular bottom part (509), circular bottom part (509) locates to be provided with locating slot (510), in cylinder neck, sleeve column (508) outer wall place is provided with holddown groove (501), outer wall place, spiral base (1) bottom is provided with fastener (105) in spiral base, spiral base (1) lower end is provided with the locating rod (106) coordinating with locating slot (510), spiral base (1) bottom is respectively equipped with cylindrical cover (107) and interior needle stand (108), between cylindrical cover (107) and interior needle stand (108), be provided with the spacer (102) coordinating with holddown groove (501), spacer (102) is slidably connected in holddown groove (501).
5. precharging type syringe, it comprises outer sleeve (5), it is characterized in that: in described outer sleeve (5), be provided with clamped bottle (2), the cylinder neck place of outer sleeve (5) upper end is provided with spiral base (1), spiral base (1) is connected with the cylinder neck of outer sleeve (5) upper end by external screw thread knob seat (8), the cylinder neck of outer sleeve (5) upper end is rotatably connected in external screw thread knob seat (8) outside, spiral base (1) bottom is provided with puncture needle (6), this puncture needle (6) afterbody runs through spiral base (1) lower lumen, and be communicated with the through hole (101) on spiral base (1) top, puncture needle (6) top protrudes from spiral base (1) bottom and is positioned at the cylinder neck of outer sleeve (5), the inwall place of outer sleeve (5) inner chamber is provided with a fixed cover (3), fixed cover (3) upper end props up clamped bottle (2) lower end, the plug (7) of core bar (4) upper end is positioned at the cavity of clamped bottle (2) near lower end, clamped bottle (2) upper end is provided with sealing-plug (201), in clamped bottle (2) cavity between sealing-plug (201) and plug (7), form closed state.
6. precharging type syringe according to claim 5, it is characterized in that: the cylinder neck inwall place of described outer sleeve (5) is provided with overcoat female thread (506), in the cylinder neck of outer sleeve (5), be provided with sleeve column (508) in a neck, in the cylinder neck inwall of outer sleeve (5) and cylinder neck, between sleeve column (508), form circular bottom part (509), in cylinder neck, sleeve column (508) outer wall place is provided with holddown groove (501), external screw thread knob seat (8) is tubular, its outer wall place is provided with the external screw thread (801) coordinating with overcoat female thread (506), external screw thread knob seat (8) upper end open place is provided with knob base annular stop snap ring (802), spiral base (1) bottom is positioned at external screw thread knob seat (8) intracavity, outer wall place, spiral base (1) bottom is provided with the spacing preiection portion (109) coordinating with knob base annular stop snap ring (802), the outer wall place, spiral base (1) bottom of spacing preiection portion (109) below is provided with the spacer (102) coordinating with holddown groove (501), spacer (102) is slidably connected in holddown groove (501), the external diameter on spiral base (1) top is greater than the external diameter of bottom, between spiral base (1) top and bottom, form the step plane (110) of drop, this step plane (110) props up external screw thread knob seat (8) upper end open downwards.
7. precharging type syringe, it comprises outer sleeve (5), it is characterized in that: in described outer sleeve (5), be provided with clamped bottle (2), the cylinder neck place of outer sleeve (5) upper end is provided with spiral base (1), spiral base (1) is connected with the cylinder neck of outer sleeve (5) upper end by female thread knob seat (9), female thread knob seat (9) is rotatably connected in the cylinder neck outside of outer sleeve (5) upper end, spiral base (1) bottom is provided with puncture needle (6), this puncture needle (6) afterbody runs through spiral base (1) lower lumen, and be communicated with the through hole (101) on spiral base (1) top, puncture needle (6) top protrudes from spiral base (1) bottom and is positioned at the cylinder neck of outer sleeve (5), the inwall place of outer sleeve (5) inner chamber is provided with a fixed cover (3), fixed cover (3) upper end props up clamped bottle (2) lower end, the plug (7) of core bar (4) upper end is positioned at the cavity of clamped bottle (2) near lower end, clamped bottle (2) upper end is provided with sealing-plug (201), in clamped bottle (2) cavity between sealing-plug (201) and plug (7), form closed state.
8. precharging type syringe according to claim 7, it is characterized in that: the cylinder neck outer wall place of described outer sleeve (5) is provided with overcoat external screw thread (512), the cylinder neck inwall place of outer sleeve (5) is provided with holddown groove (501), female thread knob seat (9) is tubular, its inwall place is provided with the female thread (901) coordinating with overcoat external screw thread (512), female thread knob seat (9) upper end open place is provided with knob base annular stop bulge loop (902), spiral base (1) bottom is positioned at female thread knob seat (9) intracavity, outer wall place, spiral base (1) bottom is provided with the spacing preiection portion (109) coordinating with knob base annular stop bulge loop (902), the outer wall place, spiral base (1) bottom of spacing preiection portion (109) below is provided with the spacer (102) coordinating with holddown groove (501), spacer (102) is slidably connected in holddown groove (501), the external diameter on spiral base (1) top is greater than the external diameter of bottom, between spiral base (1) top and bottom, form the step plane (110) of drop, this step plane (110) props up female thread knob seat (9) upper end open downwards.
9. precharging type syringe, it comprises outer sleeve (5), it is characterized in that: in described outer sleeve (5), be provided with clamped bottle (2), between the cylinder neck lower end of clamped bottle (2) upper end and outer sleeve (5) upper end, form spacing (10), the cylinder neck place of outer sleeve (5) upper end is provided with spiral base (1), spiral base (1) is fixedly connected with outer sleeve (5), spiral base (1) bottom is provided with puncture needle (6), this puncture needle (6) afterbody runs through spiral base (1) lower lumen, and be communicated with the through hole (101) on spiral base (1) top, puncture needle (6) top protrudes from spiral base (1) bottom and is positioned at the cylinder neck of outer sleeve (5), the inwall place of outer sleeve (5) inner chamber is provided with a fixed cover (3), fixed cover (3) upper end props up clamped bottle (2) lower end, the plug (7) of core bar (4) upper end is positioned at the cavity of clamped bottle (2) near lower end, clamped bottle (2) upper end is provided with sealing-plug (201), in clamped bottle (2) cavity between sealing-plug (201) and plug (7), form closed state.
10. precharging type syringe according to claim 9, it is characterized in that: the jacket wall of described fixed cover (3) forms hook (301) to the inside, downward extension (302) lower end of hook (301) forms stop hook (303) to jacket wall outside, the stop hook (303) of this extension (302) and lower end thereof is all hanging shape, the stop hook (303) of this extension (302) and lower end thereof prizes taking stop hook (303) root fixing point as fulcrum, outer sleeve (5) inwall place forms the overcoat room (513) coordinating with stop hook (303), the outer casing inner wall place of lower end, overcoat room (513) forms non-return step (514), the upper lower limb of stop hook (303) all forms guiding surface, core bar (4) body of rod place of plug (7) bottom is provided with the circular collar (401) coordinating with stop hook (303), distance between two stop hooks (303) is less than circular collar (401) external diameter, circular collar (401) edge upwards props up stop hook (303) lower edge, the inner chamber barrel place of outer sleeve (5) forms the reverse limited step (515) of ring-type.
CN201320777065.8U 2013-12-02 2013-12-02 Pre-filling injector Withdrawn - After Issue CN203634583U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103656799A (en) * 2013-12-02 2014-03-26 温州市贝普科技有限公司 Prefilling injector
CN107847680A (en) * 2015-07-08 2018-03-27 法国加柏公司 Syringe and the method for assembling it

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103656799A (en) * 2013-12-02 2014-03-26 温州市贝普科技有限公司 Prefilling injector
CN103656799B (en) * 2013-12-02 2016-09-07 贝普医疗科技有限公司 Precharging type syringe
CN107847680A (en) * 2015-07-08 2018-03-27 法国加柏公司 Syringe and the method for assembling it

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Address after: Longwan street Yongxing District Wenzhou city Zhejiang province 325024 Xing Ji Road No. 14

Patentee after: PEPM Medical Technology Co Ltd

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Patentee before: Wenzhou Beipu Science & Technology Co., Ltd.

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Granted publication date: 20140611

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