CN103896190A

CN103896190A - Screwing assembly used for screwing closing plug onto injector

Info

Publication number: CN103896190A
Application number: CN201210568578.8A
Authority: CN
Inventors: 沃尔特·比安科; 保罗·吉里博纳; 米凯莱·米尼斯尼; 恩里科·梅拉尼
Original assignee: Health Robotics SRL
Current assignee: Accenture Pte Ltd; Omnicell Inc
Priority date: 2012-12-24
Filing date: 2012-12-24
Publication date: 2014-07-02
Anticipated expiration: 2032-12-24
Also published as: CN103896190B

Abstract

The invention relates to a screwing assembly used for screwing a closing plug (2) onto the open thread end (6) of each injector (3). The screwing assembly is provided with a concave portion (31), a supporting device (29) of each injector (3), and an actuating device (35), wherein the concave portion (31) is used for receiving one closing plug (2) from a hopper (9), and the hopper contains a plurality of closing plugs (2); the actuating device (35) is used for enabling the concave portion (31) and the supporting device (29) to move relative to each other around and along the longitudinal axis (4) of each injector (3) by means of rotor transition movement, and therefore each closing plug (2) is screwed to the open end (6) of the corresponding injector (3).

Description

For airtight plug is screwed to the assembly that screws on syringe

Technical field

The present invention relates to a kind of on syringe, screw assembly (screwing assembly) for airtight plug (closing plug) is screwed to.

Background technology

In the preparation of injectable drug products, a kind of machine of known manufacture, this machine comprises: at least one holder, for multiple containers (with the situation of this Topic relative be sack, syringe and bottle); At least one administration station (dosing station), for by the preparation of the diluent of taking from the medicine of bottle and take from sack being sent into the drug products that syringe obtains; And gripping and conveyer, for container is shifted between holder and administration platform.

Syringe comprises accommodation tube (containment cylinder), is bonded on plunger (plunger) in accommodation tube and snap-lock (snap-locked) to the syringe needle in the open end of accommodation tube self in the mode of sliding.

After in drug products being formulated in to syringe, remove and utilize airtight plug that open end is sealed from syringe at syringe needle, thereby allow medical worker's operating syringe safely itself.

Because airtight plug normally snap-lock in syringe open end, therefore the machine that becomes known for the mentioned kind of the preparation of drug products has some shortcomings, these shortcomings are mainly derived from such fact,, airtight plug and syringe with relative to high bonding force near moving each other, this may cause airtight plug and the two damage of accommodation tube open end, thereby has hindered the assembling subsequently of new syringe needle.

In addition, the machine that becomes known for the mentioned kind of the preparation of drug products does not allow to use the airtight plug of screw thread, and therefore has relatively low use alerting ability.

Summary of the invention

The object of this invention is to provide and a kind ofly wherein eliminated above-mentioned shortcoming for airtight plug being screwed to the assembly that screws on syringe, and can be simply and tool cost-effectively implement.

According to the present invention, provide a kind of for airtight plug being screwed to the assembly that screws on syringe, each syringe all has longitudinal axis and comprises and be provided with the cylinder of screw thread open end and be bonded on the plunger in cylinder self with sliding type; It is characterized in that, this screws assembly and comprises hopper (hopper), and hopper accommodates multiple airtight plugs therein, and presents the outlet of airtight plug from hopper self; Recess, is suitable for the airtight plug that receives and keep the described outlet of each process to send; Bracing or strutting arrangement, for supporting syringe; And actuating device, for utilize rotor converting motion make recess and bracing or strutting arrangement around and relative to each other move along described longitudinal axis, thereby airtight plug is screwed in described open end.

Brief description of the drawings

Describe the present invention referring now to accompanying drawing, accompanying drawing shows non-limiting embodiment of the present invention, in accompanying drawing:

Fig. 1 is the three-dimensional schematic illustration of a preferred implementation that screws assembly of the present invention, has wherein for clarity sake removed some parts:

Fig. 2 is the birds-eye view of the summary of the details in Fig. 1.

Fig. 3 is the amplification three-dimensional view of the details in Fig. 2.

Detailed description of the invention

With reference to Fig. 1, Fig. 2 and Fig. 3, label 1 entirety represents the assembly that screws on the syringe 3 for tetragonal airtight plug 2 being roughly screwed to Known Species, each assembly that screws all has given longitudinal axis 4 and comprises accommodation tube 5, accommodation tube is provided with external screw-thread open end 6, and is sliding engaged to by plunger 7.

With the situation of this Topic relative in, it is definitely jamming-proof (anti-channeling, tamperproof) that stopper 2 is designed in the process of syringe 3 of the drug products that comprises patient to be given in operation.

Screw assembly 1 and comprise that top is by the box type frame 8 that holds hopper 9 and seal, hopper is for being arranged in the multiple stoppers 2 at hopper 9, and wherein, the concave surface of stopper upward.

Hopper 9 involving vibrations dish 10(have the shape of essentially rectangular), be defined for the bearing surface P of stopper 2, its given angle according to the reference plane with respect to approximate horizontal tilts, and there is egress hole (outlet hole) 11, egress hole obtains by the lower end of dish 10, and has the longitudinal axis 12 substantially vertical with face P self.

Dish 10 is coupled to framework 8 slidably, there is betwixt damper means 13, for with the direction 14 of axis 12 almost parallels on carry out rectilinear movement with respect to framework 8, and this dish is coupled to framework 8 with sliding type in addition, thereby move with respect to framework 8, and under the bias voltage in actuating device 15, this is included in general horizontal direction 16(is horizontal with respect to direction 14) on linear reciprocating motion.

With the situation of this Topic relative in, device 13 comprise be arranged on framework 8 and four the elastic element 17(s of dish between 10 be positioned at coil 10 self drift angle places), and device 15 comprises electromagnetic actuators 18, electromagnetic actuators is fixed in framework 8 (parallel with direction 16), and has and be connected to from coiling 10 outstanding outlet bars that couple bracket 20 (outlet rod) 19 downwards.

The sidepiece of hopper 9 is by hollow disc (hollow plate) 21 restrictions, hollow disc is fork-shaped, is fixed on dish 10, thereby limit stopper 2 along face P and towards the front stand in channel 22 in hole 11, and its shape is configured to passage 22 to be separated into the upper inlet section 22b that is connected to the roughly rectilinear lower exit zone 22a in hole 11 and assembles towards section 22a.

Passage 22 coordinates with the first stop device 23, the first stop device comprises actuating cylinder 24, this actuating cylinder is arranged in dish 21 (parallel with direction 16), and there is take-off lever 25 mobile between dead position and operating position, in dead position, bar 25 is roughly included in dish 21, and in operating position, bar 25 stretches in this section 22a, thereby prevents that stopper 2 from arriving the inside of section 22a self.

Passage 22 further coordinates with the second stop device 26, the second stop device comprises actuating cylinder 27, this actuating cylinder is arranged in dish 21 (parallel with direction 16), and there is take-off lever 28 mobile between dead position and operating position, in dead position, bar 28 is roughly included in dish 21, and in operating position, bar 28 stretches in the section 22a in bar 25 downstreams, thereby prevents that stopper 2 from arriving hole 11.

About this point, what deserves to be explained is, the motion of

bar

25 and 28 in their operating positions defines and is applicable to single stopper 2 to hold compartment wherein.

For example screw bracing or strutting arrangement 29(that assembly 1 further comprises syringe 3, be applicable to by syringe 3 remain on the coaxial position of axis 12 in robot arm), and be applicable to hold the stopper 2 of at every turn sending through via hole 11.

Device 30 comprises recess (pocket) 31, and recess is arranged in framework 8, is arranged in dish 10 belows and the position in faces aperture 11; Recess is limited by diapire 32, and diapire has roughly corresponding with the shape of stopper 2 quadrangle form and extends in the direction vertical with direction 14; And recess is further limited by quadrangle sidewall 33, sidewall extends around axis 12, and tilts according to the angle beyond in 90 ° with respect to wall 32 self.

Recess 31 is arranged on the free end of outlet axle 34 of motor 35, motor is arranged on (parallel with direction 14) in framework 8, be fixed to the hopper 9 below dish 10, be applicable to make recess 31 self to move around axis 12 with respect to dish 10, and be subject to torque control, thereby allow stopper 2 to be correctly screwed on corresponding syringe 3.

The shape of the lower exit zone 22a of recess 31 and passage 22 allows stopper 2 to drop through via hole 11, thereby in the process of rotating around axis 12, self aims at recess 31 and correctly insert wherein.

Screw the operation of assembly 1 from starting sometime referring now to Fig. 1, Fig. 2 and Fig. 3 description, wherein:

Syringe 3 moves to the position coaxial with axis 12 by device 29;

Stop

device

23,26 is arranged in their operating position; And

The exit zone 22a of passage 22 is empty.

First device 23 is moved to its dead position, thereby allow stopper 2 to fall in section 22a, and then move to its operating position, thereby prevent that other stopper 2 from falling in section 22a self.

Therefore, device 26 is moved to its dead position, thereby allow described stopper 2 arrive hole 11 and drop in recess 31.

Now, syringe 3 is reduced by device 29, thereby allows the open end 6 of syringe 3 to engage with stopper 2, and the assembly that makes to be limited by hopper 9 and recess 31 overcome damper means 13 elastic element 17 bias voltage and move.

Finally, recess 31(and therefore stopper 2) move around axis 12 by the actuating of motor 35, and the bias voltage of elastic element 17 by damper means 13 and moving along axis 12.In other words, recess 31 and stopper 2 utilize rotor converting motion and around and move along described axis 12, thereby stopper 2 is screwed in the open end 6 of syringe 3.

About more than, it should be noted that due to cylinder 5 that in open end 6, from the surface tension and the capillarity that are in, the drug products being included in syringe 3 can not overflow (exit) from end 6.

Claims

1. one kind screws assembly, for airtight plug (2) is screwed to syringe (3), each syringe (3) all has longitudinal axis (4) and comprises and be provided with the cylinder (5) of screw thread open end (6) and be bonded on the plunger (7) in described cylinder (5) self with sliding type, it is characterized in that, the described assembly that screws comprises hopper (9), described hopper accommodates multiple airtight plugs (2) therein, and self presents the outlet (11) of described airtight plug (2) from described hopper (9); Recess (31), described recess is suitable for the described airtight plug (2) that receives and keep the described outlet of each process (11) to send; Bracing or strutting arrangement (29), described bracing or strutting arrangement is used for supporting described syringe (3); And actuating device (35), described actuating device be used for utilizing rotor converting motion make described recess (31) and described bracing or strutting arrangement (29) around and relative to each other move along described longitudinal axis (4), thereby described airtight plug (2) is screwed in described open end (6).

2. the assembly that screws according to claim 1, further comprise the first stop device (26), described the first stop device in described hopper (9) towards moving with leaving an operating position, in described operating position, described the first stop device (26) prevents that the first airtight plug (2) from arriving described outlet (11).

3. the assembly that screws according to claim 2, further comprise the second stop device (23), described the second stop device is arranged in described the first stop device (26) rear, and described the second stop device in described hopper (9) towards moving with leaving an operating position, in this operating position, described the second stop device (23) is arranged to described the first airtight plug (2) to separate with all the other airtight plugs (2) that are included in described hopper (9).

4. the assembly that screws according to claim 1, wherein, described hopper (9) comprises the vibrating disk (10) that limits bearing surface (P), described bearing surface tilts with respect to the reference plane of approximate horizontal.

5. the assembly that screws according to claim 4, wherein, described hopper (9) is delimited by lateral sidewall (21), and described lateral sidewall defines the Transfer pipe (22) of described airtight plug (2) along described vibrating disk (10); Described Transfer pipe (22) comprises the import section (22b) that is connected to the exit zone (22a) of described outlet (11) and assembles towards described exit zone (22a) self.

6. the assembly that screws according to claim 5, further comprise: the first stop device (26), described the first stop device in described hopper (9) towards with leave an operating position and move, in described operating position, described the first stop device (26) prevents that described airtight plug (2) is transferred to described outlet (11) from described exit zone (22a); And second stop device (23), described the second stop device in described hopper (9) towards moving with leaving an operating position, in this operating position, described the second stop device (23) prevents that described airtight plug (2) is transferred to described exit zone (22a) from described import section (22b).

7. the assembly that screws according to claim 1, further comprise fixed pedestal framework (8) and the damper means (13) between described recess (31) and described support frame (8), thereby allow described recess (31) and described longitudinal axis (4) mobile with respect to described syringe (3) abreast, described airtight plug (2) is swirled in the described open end (6) of described syringe (3) self simultaneously.

8. the assembly that screws according to claim 1, further comprises motor (35), and described motor is used for making described recess (31) mobile around described longitudinal axis (4).

9. the assembly that screws according to claim 1, wherein, described recess (31) is delimited by diapire (32) and lateral sidewall (33), and described diapire is roughly vertical with described longitudinal axis (4), and described lateral sidewall tilts with 90 ° of angles in addition with respect to described diapire (32) self.

10. the assembly that screws according to claim 9, wherein, the described lateral sidewall (33) of described recess (31) presents roughly tetragonal shape.