CN102716038B - Push device used on preassembly medicating instrument - Google Patents
Push device used on preassembly medicating instrument Download PDFInfo
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- CN102716038B CN102716038B CN201210224565.9A CN201210224565A CN102716038B CN 102716038 B CN102716038 B CN 102716038B CN 201210224565 A CN201210224565 A CN 201210224565A CN 102716038 B CN102716038 B CN 102716038B
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- rotary sleeve
- cartridge case
- push rod
- guide
- medicating
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Abstract
The invention discloses a push device used on a push preassembly medicating instrument. The push device comprises a medicating barrel, a rotating sleeve and a push rod, wherein a guide helical slot is formed on the inner wall of the top of the medicating barrel along the axial direction; one end of the rotating sleeve extends into the medicating barrel, and the other end of the rotating sleeve is a sealing end; a guide through slot is formed on the side wall of the rotating sleeve along the axial direction; the push rod is arranged in the rotating sleeve along the axial direction; and a guide block which passes through the guide helical through slot and extends into the guide slot is arranged on the push rod. During use, due to a diaphragm in an interface and the rotating sleeve of which the top is sealed, a medicine container and the medicating dual needle are in sealed states; therefore, an effect of absolute germfree transpiration and storage can be achieved; the rotating sleeve is rotated to drive the guide part to quickly move downwards and push the medicine container; the upper needle point of the medicating dual needle punctures a sealing plug on the medicine container, and the lower needle point of the medicating dual needle punctures the diaphragm in the interface, so that the medicine container is instantly communicated with the interior of the transfusion container; and the whole process is in a germfree butting state, so that germfree sealing is realized in the whole process of transportation, storage, butting, medicine mixing and transfusion.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, relate in particular to the thrust unit using on a kind of medicine adding instrument.
Background technology
For the medicine in medicament reservoir being added in the solution in infusion vessel (being transfusion flexible bag or soft transfusion bottle), then mixed solution is inputted such as the patient in the Clinical Institutions of hospital.In prior art, often adopt medicine adding instrument that medicament reservoir is connected with transfusion flexible bag or soft transfusion bottle.
Medicine adding instrument of the prior art mainly comprises and adds cartridge case and dosing crosspointer, dosing cylinder forms cup-like structure, dosing crosspointer is stuck in and is added in cartridge case by crosspointer supporting seat, for mixed medicine passage is sealed, on the bottom interior wall cross section that adds cartridge case, be provided with barrier film, be provided with diaphragm seal on the top that adds cartridge case, a needle point of dosing crosspointer is corresponding with barrier film, and another needle point of dosing crosspointer is corresponding with the diaphragm seal of top.When use, this is added to cartridge case and docks with the interface of transfusion flexible bag or soft transfusion bottle, tear the diaphragm seal adding on cartridge case top, again medicament reservoir is snapped in and added in cartridge case, when medicament reservoir snaps in, also promoting dosing crosspointer moves down, the upper needle point of dosing crosspointer pierces through the sealing-plug on medicament reservoir, the broken barrier film of the lower acupuncture of dosing crosspointer and pierce through transfusion flexible bag or soft transfusion bottle on interface on sealing-plug, extruding transfusion flexible bag or soft transfusion bottle just can be realized mixed medicine.
Adopt the medicine adding instrument of said structure, mainly in mixed medicine process have a following deficiency: snap in while adding in cartridge case at medicament reservoir, must add the diaphragm seal on cartridge case top by tear initiation, and add cartridge case while snapping in and can contact with the external world, and then pollute.And all closed medicine adding instruments that occur in prior art all can only be realized airtight in mixed medicine process, and " overall process is sterile closed " when can not realizing the docking of cillin bottle and medicine adding instrument, mixed medicine and infusing.
Summary of the invention
For above shortcomings in prior art, the invention provides the thrust unit that a kind ofly can dock, use on mixed medicine and the airtight propelling prepackage type medicine adding instrument of transfusion overall process under integral asepsis state.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:
Advance the thrust unit using on prepackage type medicine adding instrument, comprise and add cartridge case, rotary sleeve and push rod; Described one end that adds cartridge case is interface link, at the other end inwall that adds cartridge case, guiding helicla flute is set; One end of described rotary sleeve put in add in the other end of cartridge case and with add cartridge case axial restraint, radially rotatably coordinate, and rotary sleeve and add cartridge case and be sealed and matched, the sidewall of described rotary sleeve is provided with guide groove vertically; Described push rod is axially disposed within rotary sleeve along rotary sleeve, on the outer wall of push rod, is provided with guide pad, and described guide pad passes guide groove and puts in guiding helicla flute.
As a preferred embodiment of the present invention, the other end of described rotary sleeve is sealed end.
As another kind of preferred version of the present invention, on the inwall of the described other end that adds cartridge case, be symmetrical arranged two guiding helicla flutes, the sidewall of described rotary sleeve is arranged with two guide grooves that arrange vertically, on the outer wall of described push rod, be arranged with two guide pads, one of them guide pad passes a guide groove and puts in a guiding helicla flute, and another guide pad passes another guide groove and puts in another guiding helicla flute.
As another preferred version of the present invention, the outer wall of described rotary sleeve is along being circumferentially with pressure ring, and described pressure ring is pressed on the other end that adds cartridge case and with it and is sealed and matched.
As a modification of the present invention scheme, described pressure ring is sealed and matched by sealing ring and the other end that adds cartridge case.
As another kind of improvement project of the present invention, described push rod is arranged in rotary sleeve along the axis of rotary sleeve.
As another improvement project of the present invention, the sealed end of described rotary sleeve is provided with suspension ring.
Scheme as a further improvement on the present invention, a segment distance is extended in the opposite direction at the two ends of described guide groove on the circumference of rotary sleeve, the direction that extend on the circumference of rotary sleeve the bottom of described guide groove with promote time rotary sleeve direction of rotation consistent.
The invention has the beneficial effects as follows: while using the thrust unit using on this propelling prepackage type medicine adding instrument, first dock with the interface on transfusion flexible bag or soft transfusion bottle adding cartridge case, dosing crosspointer and medicament reservoir are pre-loaded into and are added in cartridge case, again rotary sleeve is arranged on and is added on cartridge case, rotary sleeve by the barrier film in interface and one end sealing makes medicament reservoir and dosing crosspointer in sealing state, therefore, can reach transportation and store absolute aseptic.When mixed medicine, rotating rotary sleeve drives push rod to move down rapidly along the guiding helicla flute that adds drug cylinder, press on medicament reservoir, and then promotion dosing crosspointer moves down, the upper needle point of dosing crosspointer pierces through the sealing-plug on medicament reservoir, the lower needle point of dosing crosspointer punctures the barrier film in interface, medicament reservoir was communicated with moment in transfusion flexible bag or soft transfusion bottle, whole process is all in aseptic docking, therefore it is sterile closed that the thrust unit, using on this propelling prepackage type medicine adding instrument can be realized the overall process of transportation, storage, docking, mixed medicine and transfusion.
Accompanying drawing explanation
Fig. 1 is the structural representation that advances the thrust unit using on prepackage type medicine adding instrument;
Fig. 2 is the cross-sectional view that adds cartridge case;
Fig. 3 is the front view of rotary sleeve;
Fig. 4 is the cross section view along A-A direction in Fig. 3;
Fig. 5 is the cross-sectional view of push rod;
Fig. 6 is the perspective view of push rod;
Fig. 7 advances the thrust unit using on prepackage type medicine adding instrument to mix the structural representation before medicine;
Fig. 8 is the structural representation while advancing the thrust unit using on prepackage type medicine adding instrument to mix medicine.
In accompanying drawing: 1-add cartridge case; 2-dosing crosspointer; 4-rotary sleeve; 5-push rod; 6-interface link; 7-guiding helicla flute; 8-guide groove; 9-guide pad; 10-pressure ring; 11-sealing ring; 12-annular rubber cushion; 13-suspension ring; 14-infusion vessel; 15-crosspointer supporting seat; 16-skid-prevention button; 17-medicament reservoir; 18-annular snap; 19-annular groove; 20-annular slot; 21-passage; 22-interface; 23-barrier film.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, advance the thrust unit using on prepackage type medicine adding instrument, comprise and add cartridge case 1, rotary sleeve 4 and push rod 5.
Wherein, add the structure of cartridge case as shown in Figure 2, the bottom that adds cartridge case 1 is interface link 6, and the inwall of interface link 6 is a throat structure, and being more conducive to like this with infusion vessel 14(is transfusion flexible bag or soft transfusion bottle) interface size mate.Add the inwall of cartridge case 1 and be provided with annular rubber cushion 12 near interface link 6, dosing crosspointer 2 at dosing crosspointer 2(the present embodiment adopts cross needle, be that the upper pin of dosing crosspointer 2, lower pin and crosspointer supporting seat 15 are one-body molded) be located at and add cartridge case 1 when interior, the lower needle point of dosing crosspointer 2 passes annular rubber cushion 12 and is stuck on annular rubber cushion 12, and the crosspointer supporting seat 15 of dosing crosspointer 2 is positioned at the top of annular rubber cushion 12.On the inwall that adds cartridge case 1, being symmetrically arranged with at least two is in barb-like skid-prevention button 16(the present embodiment, on the inwall that adds cartridge case 1, be provided with four skid-prevention buttons), medicament reservoir 17 pack into add cartridge case 1 interior after, in the time that medicament reservoir 17 mixes medicine with infusion vessel 14, the bottle cap of medicament reservoir 17 is stuck in the below of skid-prevention button 16, this skid-prevention button 16 can stop medicament reservoir 17 to retreat effectively, ensures that mixed medicine carries out smoothly.The top inner wall that adds cartridge case 1 arranges guiding helicla flute 7, in the present embodiment, adds on the inwall of cartridge case 1 and is symmetrical arranged two guiding helicla flutes 7.Along being circumferentially with annular snap 18, on the top end face that adds cartridge case 1, be along the circumferential direction provided with annular groove 19 at the inwall top that adds cartridge case 1.
The structure of rotary sleeve 4 as shown in Figure 3 and Figure 4, the bottom of rotary sleeve 4 from add the top of cartridge case 1 put in add in cartridge case 1 and with add cartridge case 1 axial restraint, radially rotatably coordinate, and rotary sleeve 4 and add cartridge case 1 and be sealed and matched, the top of rotary sleeve 4 is sealed end.In the present embodiment, be circumferentially with pressure ring 10 on the outer wall edge of rotary sleeve 4, below pressure ring 10, edge is circumferentially with annular slot 20.After rotary sleeve 4 is arranged on and adds on cartridge case 1, annular snap 18 is positioned at annular slot 20, and sealing ring 11 is installed in annular groove 19, and pressure ring 10 is pressed on the top that adds cartridge case 1 and with it and is sealed and matched by sealing ring 11.Rotating when rotary sleeve 4, annular snap 18 is in the interior rotation of annular slot 20, because of the sealing function of sealing ring 11, makes rotary sleeve 4 adding in cartridge case 1 both rotatably, can realize again the outer wall and the top seal that adds cartridge case 1 of rotary sleeve 4.The sidewall of rotary sleeve 4 is provided with in guide groove 8(the present embodiment vertically, and the sidewall of rotary sleeve 4 is arranged with two guide grooves 8 that arrange vertically).A segment distance is extended in the opposite direction at the two ends of guide groove 8 on the circumference of rotary sleeve 4, forms the guide groove 8 of " z " font, the direction that extend on the circumference of rotary sleeve 4 bottom of guide groove 8 during with promotion the direction of rotation of rotary sleeve 4 consistent.Before medicament reservoir 17 and infusion vessel 14 mix medicine (as shown in Figure 7), guide pad 9 on push rod 5 is positioned at the groove of guide groove 8 top circumferencial directions, effectively stoped push rod 5 along it axially from lower movement, move down thereby avoided push rod 5 to promote medicament reservoir 17 before mixed medicine; In the time that medicament reservoir 17 mixes medicine with infusion vessel 14 (as shown in Figure 8), guide pad 9 on push rod 5 is positioned at the groove of guide groove 8 bottom circumferencial directions, effectively stoped push rod 5 along it axially from upper movement, thereby effectively stop medicament reservoir 17 to retreat, further ensure that mixed medicine carries out smoothly.
Be equal to replacement as rotary sleeve 4 and the one that adds cartridge case 1 fit structure, can adopt following structure: one end of rotary sleeve 4 be enclosed within add the other end of cartridge case 1 outer and with add cartridge case 1 axial restraint, radially rotatably coordinate, and rotary sleeve 4 and add cartridge case 1 and be sealed and matched.The sidewall of rotary sleeve 4 is provided with guiding helicla flute, and at the other end inwall that adds cartridge case 1, guide groove is set vertically, guide pad 9 on push rod 5, through adding the guide groove on cartridge case 1 and putting in the guiding helicla flute on rotary sleeve 4, rotates rotary sleeve 4 and can drive equally push rod 5 to move down.
As shown in Figure 5 and Figure 6, push rod 5 is axially disposed within rotary sleeve 4 along rotary sleeve 4 the structure of push rod 5, and push rod 5 is the hollow structure of upper end open, lower end sealing, and push rod 5 forms the hollow structure that top diameter of bore is large, bottom diameter of bore is little.In the base wall of top endoporus, be evenly equipped with the passage 21 arranging vertically, in the time that push rod 5 moves down process, this passage 21 is conducive to the gas flow upper space in lower space, reduces the air drag that push rod 5 moves down.On the outer wall of push rod 5, be arranged with two guide pads 9, one of them guide pad 9 passes a guide groove 8 and puts in a guiding helicla flute 7, and another guide pad 9 passes another guide groove 8 and puts in another guiding helicla flute 7.Push rod 5 is arranged in rotary sleeve 4 along the axis of rotary sleeve 4, the upper needle point of dosing crosspointer 2 is corresponding with push rod 5, medicament reservoir 17 be placed on add cartridge case 1 interior after, the bottom of push rod 5 is corresponding with the center, top of medicament reservoir 17, the upper needle point corresponding with the bottle cap of medicament reservoir 17 (as shown in Figure 7) of dosing crosspointer 2.
On the sealed end of rotary sleeve 4, (being the top of rotary sleeve 4) is provided with suspension ring 13, by these suspension ring 13 can by this medicine adding instrument and with infusion vessel 14(that medicine adding instrument connects as shown in Figure 7) together be suspended on transfusion bracing frame used.
When the assembling of the thrust unit using on this propelling prepackage type medicine adding instrument and infusion vessel, first by interface link 6 seam that add cartridge case 1 on the interface 22 on infusion vessel 14, then dosing crosspointer 2 and medicament reservoir 17 are placed on and are added in cartridge case 1; Again push rod 5 is arranged in rotary sleeve 4, and the guide groove 8 that the guide pad 9 on push rod 5 is passed on rotary sleeve 4, finally by the guide pad on push rod 59 with to add guiding helicla flute 7 on cartridge case 1 corresponding, after rotary sleeve 4 is arranged on and adds on cartridge case 1, guide pad 9 puts in guiding helicla flute 7.
While using the thrust unit using on this propelling prepackage type medicine adding instrument, first the interface link 6 that adds cartridge case 1 being sealed to docking with the interface 22 on infusion vessel 14 (can adopt clip assembly to be connected, the mode that also can adopt seam and be threaded realizes and being tightly connected), in the present embodiment, infusion vessel 14 adopts transfusion flexible bag, as shown in Figure 7, dosing crosspointer 2 and medicament reservoir 17 are pre-loaded into and are added in cartridge case 1 under aseptic condition, make medicament reservoir 17 and dosing crosspointer 2 in sealing state by the rotary sleeve 4 of the barrier film 23 in interface 22 and end sealing, therefore, can reach transportation and store absolute aseptic.When mixed medicine, rotate rotary sleeve 4, rotary sleeve 4 drives push rod 5 to move down rapidly along the guiding helicla flute 7 adding on cartridge case 1 inwall, directly press on medicament reservoir 17, and then promotion dosing crosspointer 2 moves down, the upper needle point of dosing crosspointer 2 pierces through the sealing-plug on medicament reservoir 17, the lower needle point of dosing crosspointer 2 punctures the barrier film 23 in interface 22, medicament reservoir 17 was communicated with moment in transfusion flexible bag, as shown in Figure 8, whole process is all in aseptic docking, and whole process all drives push rod 5 to move down realization by rotating rotary sleeve 4.And push rod 5 moves down and need rotate and could realize by dependence rotary sleeve 4, so can prevent that push rod 5 is oppressed infusion vessel in transportation and storing.When guide pad 9 on push rod 5 moves down in the groove of guide groove 8 bottom circumferencial directions, medicament reservoir 17 is pushed to bottle cap and is positioned at the below of skid-prevention button 16, effectively stops medicament reservoir 17 to retreat, and ensures that mixed medicine carries out smoothly.Due to the thrust unit using on this propelling prepackage type medicine adding instrument after be pre-loaded into medicament reservoir until infused, related medicament reservoir with the parts that directly contact with medicine all in aseptic condition, therefore, can realize medicine in transportation, store, the overall process of docking, mixed medicine and transfusion is sterile closed.Before mixed medicine and when mixed medicine, medicament reservoir 17 is all in and adds in cartridge case 1, made by transparent material because adding cartridge case 1, operator only need be by the transparent just information of the institute's medicine on observable medicament reservoir 17 of cartridge case 1 that adds, be conducive to operator and grasp in time the drug information of joining, avoid medicine mispairing.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. advance the thrust unit using on prepackage type medicine adding instrument, it is characterized in that: comprise and add cartridge case (1), rotary sleeve (4) and push rod (5); Described one end that adds cartridge case (1) is interface link (6), at the other end inwall that adds cartridge case (1), guiding helicla flute (7) is set; One end of described rotary sleeve (4) put in add in the other end of cartridge case (1) and with add cartridge case (1) axial restraint, radially rotatably coordinate, and rotary sleeve (4) with add cartridge case (1) and be sealed and matched, the sidewall of described rotary sleeve (4) is provided with guide groove (8) vertically; Described push rod (5) is axially disposed within rotary sleeve (4) along rotary sleeve (4), is provided with guide pad (9) on the outer wall of push rod (5), and described guide pad (9) passes guide groove (8) and puts in guiding helicla flute (7); A segment distance is extended in the opposite direction at the two ends of described guide groove (8) on the circumference of rotary sleeve (4); The direction that extend on the circumference of rotary sleeve (4) bottom of described guide groove (8) with promote time rotary sleeve (4) direction of rotation consistent.
2. the thrust unit using on propelling prepackage type medicine adding instrument according to claim 1, is characterized in that: the other end of described rotary sleeve (4) is sealed end.
3. the thrust unit using on propelling prepackage type medicine adding instrument according to claim 2, it is characterized in that: described in add on the inwall of the other end of cartridge case (1) and be symmetrical arranged two guiding helicla flutes (7), the sidewall of described rotary sleeve (4) is arranged with two guide grooves (8) that arrange vertically, on the outer wall of described push rod (5), be arranged with two guide pads (9), one of them guide pad (9) passes a guide groove (8) and puts in a guiding helicla flute (7), another guide pad (9) passes another guide groove (8) and puts in another guiding helicla flute (7).
4. the thrust unit using on propelling prepackage type medicine adding instrument according to claim 3, it is characterized in that: the outer wall of described rotary sleeve (4) is along being circumferentially with pressure ring (10), and described pressure ring (10) is pressed on the other end that adds cartridge case (1) and with it and is sealed and matched.
5. the thrust unit using on propelling prepackage type medicine adding instrument according to claim 4, is characterized in that: described pressure ring (10) is sealed and matched by sealing ring (11) and the other end that adds cartridge case (1).
6. the thrust unit using on propelling prepackage type medicine adding instrument according to claim 5, is characterized in that: described push rod (5) is arranged in rotary sleeve (4) along the axis of rotary sleeve (4).
7. the thrust unit using on propelling prepackage type medicine adding instrument according to claim 6, is characterized in that: the sealed end of described rotary sleeve (4) is provided with suspension ring (13).
8. according to the thrust unit using on the propelling prepackage type medicine adding instrument described in any one claim in claim 1 to 7, it is characterized in that: described push rod (5) is the hollow structure of upper end open, lower end sealing, and push rod (5) forms the hollow structure that top diameter of bore is large, bottom diameter of bore is little; In the base wall of top endoporus, be evenly equipped with the passage (21) arranging vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224565.9A CN102716038B (en) | 2012-04-06 | 2012-07-02 | Push device used on preassembly medicating instrument |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100991518A CN102579261A (en) | 2012-04-06 | 2012-04-06 | Pushing device for propulsion prepackaged dosing instrument |
| CN201210099151.8 | 2012-04-06 | ||
| CN201210224565.9A CN102716038B (en) | 2012-04-06 | 2012-07-02 | Push device used on preassembly medicating instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102716038A CN102716038A (en) | 2012-10-10 |
| CN102716038B true CN102716038B (en) | 2014-05-28 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100991518A Pending CN102579261A (en) | 2012-04-06 | 2012-04-06 | Pushing device for propulsion prepackaged dosing instrument |
| CN201210224565.9A Active CN102716038B (en) | 2012-04-06 | 2012-07-02 | Push device used on preassembly medicating instrument |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100991518A Pending CN102579261A (en) | 2012-04-06 | 2012-04-06 | Pushing device for propulsion prepackaged dosing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102579261A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2845578B1 (en) * | 2012-04-06 | 2017-10-18 | Chongqing Lummy Pharmaceutical Co., Ltd. | Preassembled medicine mixer |
| CN108524260B (en) * | 2018-03-08 | 2020-07-24 | 青岛大学附属医院 | Quantitative penicillin bottle liquid injector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4936841A (en) * | 1988-03-31 | 1990-06-26 | Fujisawa Pharmaceutical Co., Ltd. | Fluid container |
| FR2869795B1 (en) * | 2004-05-07 | 2006-08-04 | Sedat Sa | BIDIRECTIONAL TRANSFER DEVICE |
| CN101147821A (en) * | 2006-09-18 | 2008-03-26 | 丁玉英 | Powder injection automatic medicine-mixing device |
| CN102015015A (en) * | 2008-05-02 | 2011-04-13 | 泰尔茂株式会社 | Connector assembly |
| CN102036711A (en) * | 2008-05-21 | 2011-04-27 | 昂法玛股份有限公司 | Methods and apparatus for buffering anesthetics |
| CN202497450U (en) * | 2012-04-06 | 2012-10-24 | 重庆莱美药业股份有限公司 | Thrust device used in pushing pre-installed type doser |
-
2012
- 2012-04-06 CN CN2012100991518A patent/CN102579261A/en active Pending
- 2012-07-02 CN CN201210224565.9A patent/CN102716038B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4936841A (en) * | 1988-03-31 | 1990-06-26 | Fujisawa Pharmaceutical Co., Ltd. | Fluid container |
| FR2869795B1 (en) * | 2004-05-07 | 2006-08-04 | Sedat Sa | BIDIRECTIONAL TRANSFER DEVICE |
| CN101147821A (en) * | 2006-09-18 | 2008-03-26 | 丁玉英 | Powder injection automatic medicine-mixing device |
| CN102015015A (en) * | 2008-05-02 | 2011-04-13 | 泰尔茂株式会社 | Connector assembly |
| CN102036711A (en) * | 2008-05-21 | 2011-04-27 | 昂法玛股份有限公司 | Methods and apparatus for buffering anesthetics |
| CN202497450U (en) * | 2012-04-06 | 2012-10-24 | 重庆莱美药业股份有限公司 | Thrust device used in pushing pre-installed type doser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102579261A (en) | 2012-07-18 |
| CN102716038A (en) | 2012-10-10 |
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