CN102716031B - Push device used on short-travel preassembly medicating instrument - Google Patents
Push device used on short-travel preassembly medicating instrument Download PDFInfo
- Publication number
- CN102716031B CN102716031B CN201210224540.9A CN201210224540A CN102716031B CN 102716031 B CN102716031 B CN 102716031B CN 201210224540 A CN201210224540 A CN 201210224540A CN 102716031 B CN102716031 B CN 102716031B
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- Prior art keywords
- fairlead
- rotary sleeve
- gathering sill
- guide cylinder
- medicine
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- 239000003814 drug Substances 0.000 claims abstract description 152
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 abstract description 15
- 230000009977 dual effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000005068 transpiration Effects 0.000 abstract 1
- 238000001802 infusion Methods 0.000 description 11
- 230000004888 barrier function Effects 0.000 description 7
- 238000003032 molecular docking Methods 0.000 description 5
- 229940079593 drug Drugs 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- JGSARLDLIJGVTE-UHFFFAOYSA-N 3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Chemical compound O=C1N2C(C(O)=O)C(C)(C)SC2C1NC(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-UHFFFAOYSA-N 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses a push device used on a short-travel preassembly medicating instrument. The push device comprises a guide sleeve I, a rotating sleeve and a guide part, wherein the guide sleeve I is coaxial with the rotating sleeve and is in axial stationary fit with the rotating sleeve in the axial direction; the guide part is arranged in the guide sleeve I and driven by the rotating sleeve to move along the axial direction of the guide sleeve I; and the guide part is a flat plate, a grab bucket or a guide barrel. During use, the push device is required to be matched with a medicine mixing card body; the bottom of the medicine mixing card body is butted with an interface on a transfusion container; due to a diaphragm in the interface and the rotating sleeve, a medicine container and a 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 a lower needle point punctures the diaphragm in the interface, so that the medicine container is instantly communicated with the interior of the transfusion container; and therefore, 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, the thrust unit using on the medicine adding instrument using while relating in particular to a kind of mixed medicine.
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 mixed medicine card and dosing crosspointer, mixed medicine card forms cup-like structure, dosing crosspointer is stuck in mixed medicine card by crosspointer supporting seat, for mixed medicine passage is sealed, on the bottom interior wall cross section of mixed medicine card, be provided with barrier film, top in mixed medicine card is provided with diaphragm seal, and 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 mixed medicine card is docked with the interface of transfusion flexible bag or soft transfusion bottle, tear the diaphragm seal on mixed medicine card top, again medicament reservoir is snapped in mixed medicine card, 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, in mixed medicine process main exist following not enough: in medicament reservoir snaps in mixed medicine card time, the diaphragm seal on must the mixed medicine card of tear initiation top, and mix medicine card 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 short process 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:
The thrust unit using on short process prepackage type medicine adding instrument, comprises fairlead I, rotary sleeve and guiding parts; Described fairlead I and rotary sleeve are coaxially set, and fairlead I forms axial restraint with rotary sleeve and coordinates; Described guiding parts is located in fairlead I and by rotary sleeve and drives and move axially along fairlead I; Described guiding parts is flat board, grab bucket or guide cylinder; Open Side Down in described grab bucket; One end of described guide cylinder is uncovered, and the opening end of guide cylinder is downward, and the inner chamber of guide cylinder is medicament reservoir containing cavity.
As a preferred embodiment of the present invention, on the sidewall of described fairlead I, be provided with vertically gathering sill, a segment distance is extended in the opposite direction at the two ends of described gathering sill on the circumference of fairlead I, the direction that extend on the circumference of fairlead I the bottom of described gathering sill with promote time rotary sleeve direction of rotation consistent.
As another kind of preferred version of the present invention, the thrust unit using on this short process prepackage type medicine adding instrument also comprises fairlead II, and the inwall of described fairlead II arranges guiding helicla flute; The outer wall of described guiding parts both sides is provided with guide pad, and described fairlead I is positioned at fairlead II, and described guide pad passes gathering sill and puts in guiding helicla flute.
As another preferred version of the present invention, described fairlead I and rotary sleeve are one-body molded, and described rotary sleeve and fairlead II form axial restraint, radially rotatably coordinate, and rotary sleeve and fairlead II are sealed and matched.
As a modification of the present invention scheme, the outer wall of described rotary sleeve is along being circumferentially with pressure ring, and described pressure ring is pressed on one end of fairlead II and is sealed and matched with it.
As another kind of improvement project of the present invention, the thrust unit using on this short process prepackage type medicine adding instrument also comprises fairlead II, and the inwall of described fairlead II arranges guiding helicla flute; The outer wall of described guiding parts both sides is provided with guide pad, and described fairlead II is positioned at fairlead I, and described guide pad passes guiding helicla flute and puts in gathering sill.
As another improvement project of the present invention, described fairlead II and rotary sleeve are one-body molded, and described rotary sleeve and fairlead I form axial restraint, radially rotatably coordinate, and rotary sleeve and fairlead I are sealed and matched.
Scheme as a further improvement on the present invention, the outer wall of described rotary sleeve is along being circumferentially with pressure ring, and described pressure ring is pressed on one end of fairlead I and is sealed and matched with it.
Scheme as a further improvement on the present invention, the other end of described rotary sleeve is blind end.
The invention has the beneficial effects as follows: while using the thrust unit using on this short process prepackage type medicine adding instrument, need be used in conjunction with mixed medicine card, first the bottom of mixed medicine card is docked with the interface on transfusion flexible bag or soft transfusion bottle, medicament reservoir is pre-loaded in the below or guiding parts of guiding parts, then fairlead II is docked with the top seal of mixed medicine card.Rotary sleeve by the sealing of the barrier film in interface and one end makes medicament reservoir and dosing crosspointer in sealing state, therefore, can reach transportation and store absolute aseptic.When mixed medicine, rotating rotary sleeve drives guiding parts to move down rapidly along the guiding helicla flute of fairlead II inwall, and then medicament reservoir in drive guiding parts below or guiding parts moves down, medicament reservoir presses on dosing crosspointer and drives dosing crosspointer to move 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, the thrust unit using on this short process prepackage type medicine adding instrument can be realized transportation, store, docking, the overall process of mixed medicine and transfusion is sterile closed.Medicament reservoir is pre-loaded in the below or guiding parts of guiding parts, when mixed medicine, has greatly shortened guiding parts and medicament reservoir and moved down distance (realizing the mixed medicine of short process).
Accompanying drawing explanation
Fig. 1 is the structural representation of the thrust unit that uses on short process prepackage type medicine adding instrument;
Fig. 2 is the cross-sectional view of fairlead I;
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 guide cylinder;
Fig. 6 is the cross-sectional view of mixed medicine card;
Fig. 7 is rotary sleeve and the integrated front view of fairlead II;
Fig. 8 is the cross section view along B-B direction in Fig. 7;
Fig. 9 is the cross-sectional view of fairlead I in embodiment bis-;
Figure 10 is that the thrust unit using on short process prepackage type medicine adding instrument mixes the structural representation before medicine;
Figure 11 is the thrust unit that uses on the short process prepackage type medicine adding instrument structural representation while mixing medicine.
In accompanying drawing: 1-mixed medicine card; 2-dosing crosspointer; 3-fairlead I; 4-rotary sleeve; 5-guide cylinder; 6-fairlead II; 7-guiding helicla flute; 8-gathering sill; 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; 22-interface; 23-barrier film; 24-clip assembly.
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, the thrust unit using on short process prepackage type medicine adding instrument comprises fairlead I 3, rotary sleeve 4 and guiding parts.Fairlead I 3 is coaxially set with rotary sleeve 4, and fairlead I 3 forms axial restraint with rotary sleeve 4 and coordinates.Guiding parts is located in fairlead I 3 and is driven along fairlead I 3 and moved axially by rotary sleeve 4.Guiding parts is flat board, grab bucket or guide cylinder 5.When guiding parts adopts flat board, only medicament reservoir 17 directly need be placed on to dull and stereotyped below, the guide pad arranging by dull and stereotyped both sides is realized downward guiding movement, and flat board contacts with medicament reservoir 17 and can directly promote medicament reservoir 17 and moves down.When guiding parts adopts grab bucket, Open Side Down and corresponding with dosing crosspointer 2 in grab bucket, while using this medicine adding instrument, medicament reservoir 17 need be placed in grab bucket in advance, grab bucket is medicament reservoir 17 promptly, realize downward guiding movement by the guide pad arranging on the outer wall of grab bucket both sides, grab bucket can directly promote medicament reservoir 17 and move down.In the present embodiment, guiding parts adopts guide cylinder 5, one end of guide cylinder 5 is uncovered, the opening end of guide cylinder 5 is corresponding with dosing crosspointer 2, the inner chamber of guide cylinder 5 is medicament reservoir containing cavity, while using this medicine adding instrument, medicament reservoir 17 need be placed in guide cylinder 5 in advance, and the inwall of guide cylinder 5 effectively limit drug container 17 in use swings, and can directly promote moving medicament reservoir 17 move down by guide cylinder 5.On the sidewall of fairlead I 3, be provided with vertically gathering sill 8, a segment distance is extended in the opposite direction at the two ends of gathering sill 8 on the circumference of fairlead I 3, the direction that extend on the circumference of fairlead I 3 bottom of gathering sill 8 with promote time rotary sleeve 4 direction of rotation consistent.
The structure of the thrust unit using on short process prepackage type medicine adding instrument in embodiment mono-, refers to Fig. 1 to Fig. 6:
In the building block of the thrust unit using on short process prepackage type medicine adding instrument, the thrust unit using on this short process prepackage type medicine adding instrument also comprises fairlead II 6, the structure of fairlead II 6 as shown in Figure 2, (mode that can adopt seam) docked in the bottom of fairlead II 6 with the end sealing of mixed medicine card 1, as shown in Figure 10, Figure 11, the inwall of fairlead II 6 arranges guiding helicla flute 7, in the present embodiment, is symmetrical arranged two guiding helicla flutes 7 on the inwall of fairlead II 6.Edge, inwall top in fairlead II 6 is circumferentially with annular snap 18, is along the circumferential direction provided with annular groove 19 on the top end face of fairlead II 6.
The structure that rotary sleeve 4 and fairlead I 3 coordinate as shown in Figure 3 and Figure 4, fairlead I 3 is positioned at the below of rotary sleeve 4, rotary sleeve 4 is one-body molded with fairlead I 3, fairlead I 3 is positioned at fairlead II 6, rotary sleeve 4 forms axial restraint, radially rotatably coordinates with fairlead II 6, and rotary sleeve 4 is sealed and matched with fairlead II 6, and 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 in fairlead II 6, 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 of fairlead II 6 and is sealed and matched with it by sealing ring 11.In the time rotating rotary sleeve 4, annular snap 18, in the interior rotation of annular slot 20, because of the sealing function of sealing ring 11, makes rotary sleeve 4 both rotatable in fairlead II 6, can realize again the outer wall of rotary sleeve 4 and the top seal of fairlead II 6.On the sidewall of fairlead I 3, be provided with vertically in gathering sill 8(the present embodiment, on the sidewall of fairlead I 3, be arranged with two gathering sills 8 that arrange vertically).A segment distance is extended in the opposite direction at the two ends of gathering sill 8 on the circumference of rotary sleeve 4, forms the gathering sill 8 of " z " font, the direction that extend on the circumference of fairlead I 3 bottom of gathering sill 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 10), guide pad 9 on guide cylinder 5 is positioned at the groove of gathering sill 8 top circumferencial directions, effectively stoped guide cylinder 5 along it axially from lower movement, thereby avoided guide cylinder 5 to drive medicament reservoir 17 to move down before mixed medicine; In the time that medicament reservoir 17 mixes medicine with infusion vessel 14 (as shown in figure 11), guide pad 9 on guide cylinder 5 is positioned at the groove of gathering sill 8 bottom circumferencial directions, effectively stoped guide cylinder 5 along it axially from upper movement, thereby effectively stop medicament reservoir 17 to retreat, further ensure that mixed medicine carries out smoothly.
The structure of guide cylinder 5 is as Fig. 5, and guide cylinder 5 is located in fairlead I 3, and guide cylinder 5 is coaxially set with fairlead I 3.The opening end of guide cylinder 5 is downward and corresponding with dosing crosspointer 2, and the inner chamber of guide cylinder 5 is medicament reservoir containing cavity.On the outer wall of guide cylinder 5, be arranged with two guide pads 9, one of them guide pad 9 passes a gathering sill 8 and stretches in a guiding helicla flute 7, and another guide pad 9 passes another gathering sill 8 and stretches in another guiding helicla flute 7.
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 10) together be suspended on transfusion bracing frame used.
This thrust unit in use needs to be used in conjunction with mixed medicine card 1, the structure of mixed medicine card as shown in Figure 6, on the inwall of mixed medicine card 1 and near bottom, annular rubber cushion 12 is set, the dosing crosspointer 2 of 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 in mixed medicine card 1, 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 of mixed medicine card 1, be symmetrically arranged with at least two and be skid-prevention button 16(the present embodiment barb-like and for preventing that medicament reservoir is loosening, on the inwall of mixed medicine card 1, be symmetrically arranged with four skid-prevention buttons), medicament reservoir 17 pack into guide cylinder 5 interior after, in the time that medicament reservoir 17 mixes medicine with infusion vessel 14 (as shown in figure 11), 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.
When the assembling of the thrust unit using on this short process prepackage type medicine adding instrument and mixed medicine card 1 and infusion vessel (as shown in figure 10), first by the bottom seam of mixed medicine card 1 on the interface 22 on infusion vessel 14; Again guide cylinder 5 is arranged in fairlead I 3, and the gathering sill 8 that the guide pad 9 on guide cylinder 5 is passed in fairlead I 3; Again that the guide pad on guide cylinder 59 is corresponding with the guiding helicla flute 7 in fairlead II 6, after rotary sleeve 4 is arranged in fairlead II 6, guide pad 9 stretches in guiding helicla flute 7; Then medicament reservoir 17 is placed in guide cylinder 5, finally 6 seam of fairlead II is being mixed on the top of medicine card 1.
The structure of the thrust unit using on short process prepackage type medicine adding instrument in embodiment bis-, refers to Fig. 7 to Fig. 9:
Embodiment bis-is only with the difference of embodiment mono-: dock with the end sealing of mixed medicine card 1 bottom of fairlead I 3, and fairlead II 6 is positioned at fairlead I 3, and fairlead II 6 is one-body molded with rotary sleeve 4.Rotary sleeve 4 forms axial restraint, radially rotatably coordinates with fairlead I 3, and rotary sleeve 4 is sealed and matched (in the present embodiment with fairlead I 3, edge, inwall top in fairlead I 3 is circumferentially with annular snap 18, on the top end face of fairlead I 3, be along the circumferential direction provided with annular groove 19, after rotary sleeve 4 is arranged in fairlead I 3, annular snap 18 is positioned at annular slot 20, sealing ring 11 is installed in annular groove 19, and pressure ring 10 is pressed on the top of fairlead I 3 and is sealed and matched with it by sealing ring 11).The guide pad 9 of the outer wall setting of guide cylinder 5 passes guiding helicla flute 7 and inserts in gathering sill 8.
On short process prepackage type medicine adding instrument in assembled embodiment two, use thrust unit time, first by the bottom seam of mixed medicine card 1 on the interface 22 on infusion vessel 14; Again guide cylinder 5 is arranged in fairlead II 6, and the guiding helicla flute 7 that the guide pad 9 on guide cylinder 5 is passed in fairlead II 6; Again that the guide pad on guide cylinder 59 is corresponding with the gathering sill 8 in fairlead I 3, after rotary sleeve 4 is arranged in fairlead I 3, guide pad 9 stretches in gathering sill 8; Then medicament reservoir 17 is placed in guide cylinder 5, finally 3 seam of fairlead I is being mixed on the top of medicine card 1.
While using the thrust unit using on this short process prepackage type medicine adding instrument, need to mix medicine card 1 is used in conjunction with, first by the bottom of mixed medicine card 1 and interface 22 on infusion vessel 14 by clip assembly 24 be tightly connected (also can adopt the mode of seam and realize and being tightly connected by the mode being threaded), in the present embodiment, infusion vessel 14 adopts transfusion flexible bag, as shown in figure 10, medicament reservoir 17 is pre-loaded in guide cylinder 5 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 guide cylinder 5 to move down rapidly along the guiding helicla flute 7 on fairlead II 6 inwalls, and then drive the medicament reservoir 17 in guide cylinder 5 to move down, medicament reservoir 17 presses on dosing crosspointer 2 and drives dosing crosspointer 2 to move 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 11, whole process is all in aseptic docking, and whole process all drives guide cylinder 5 to move down realization by rotating rotary sleeve 4.And guide cylinder 5 moves down and need rotate and could realize by dependence rotary sleeve 4, so can prevent in transportation and storing guide cylinder 5 force medication containers 17.When guide pad 9 on guide cylinder 5 moves down in the groove of gathering sill 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 short process 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.Medicament reservoir is pre-loaded in guide cylinder, when mixed medicine, has greatly shortened guide cylinder and medicament reservoir and moved down distance (realizing the mixed medicine of short process).
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 (6)
1. the thrust unit using on short process prepackage type medicine adding instrument, is characterized in that: comprise fairlead I (3), rotary sleeve (4) and guiding parts; Described fairlead I (3) is coaxially set with rotary sleeve (4), and fairlead I (3) forms axial restraint with rotary sleeve (4) and coordinates; Described guiding parts is located in fairlead I (3) and by rotary sleeve (4) and drives and move axially along fairlead I (3); Described guiding parts is flat board, grab bucket or guide cylinder (5);
Open Side Down in described grab bucket;
One end of described guide cylinder (5) is uncovered, and the opening end of guide cylinder (5) is downward, and the inner chamber of guide cylinder (5) is medicament reservoir containing cavity;
On the sidewall of described fairlead I (3), be provided with vertically gathering sill (8), a segment distance is extended in the opposite direction at the two ends of described gathering sill (8) on the circumference of fairlead I (3), the direction that extend on the circumference of fairlead I (3) bottom of described gathering sill (8) with promote time rotary sleeve (4) direction of rotation consistent;
Also comprise fairlead II (6), the inwall of described fairlead II (6) arranges guiding helicla flute (7); The outer wall of described guiding parts both sides is provided with guide pad (9), and described fairlead I (3), fairlead II (6) and guiding parts combine as follows:
Described fairlead I (3) is positioned at fairlead II (6), and described guide pad (9) passes gathering sill (8) and puts in guiding helicla flute (7);
Or described fairlead II (6) is positioned at fairlead I (3), described guide pad (9) passes guiding helicla flute (7) and puts in gathering sill (8).
2. the thrust unit using on short process prepackage type medicine adding instrument according to claim 1, it is characterized in that: when described fairlead I (3) is positioned at fairlead II (6), described guide pad (9) is through gathering sill (8) and put in guiding helicla flute (7) when interior, described fairlead I (3) is one-body molded with rotary sleeve (4), described rotary sleeve (4) forms axial restraint, radially rotatably coordinates with fairlead II (6), and rotary sleeve (4) is sealed and matched with fairlead II (6).
3. the thrust unit using on short process prepackage type medicine adding instrument according to claim 2, it is characterized in that: the outer wall of described rotary sleeve (4) is along being circumferentially with pressure ring (10), described pressure ring (10) is pressed on one end of fairlead II (6) and is sealed and matched with it.
4. the thrust unit using on short process prepackage type medicine adding instrument according to claim 1, it is characterized in that: when described fairlead II (6) is positioned at fairlead I (3), described guide pad (9) is through guiding helicla flute (7) and put in gathering sill (8) when interior, described fairlead II (6) is one-body molded with rotary sleeve (4), described rotary sleeve (4) forms axial restraint, radially rotatably coordinates with fairlead I (3), and rotary sleeve (4) is sealed and matched with fairlead I (3).
5. the thrust unit using on short process prepackage type medicine adding instrument according to claim 4, it is characterized in that: the outer wall of described rotary sleeve (4) is along being circumferentially with pressure ring (10), described pressure ring (10) is pressed on one end of fairlead I (3) and is sealed and matched with it.
6. according to the thrust unit using on the short process prepackage type medicine adding instrument described in any one claim in claim 1 to 5, it is characterized in that: the other end of described rotary sleeve (4) is blind end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224540.9A CN102716031B (en) | 2012-07-02 | 2012-07-02 | Push device used on short-travel preassembly medicating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224540.9A CN102716031B (en) | 2012-07-02 | 2012-07-02 | Push device used on short-travel preassembly medicating instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102716031A CN102716031A (en) | 2012-10-10 |
| CN102716031B true CN102716031B (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210224540.9A Expired - Fee Related CN102716031B (en) | 2012-07-02 | 2012-07-02 | Push device used on short-travel preassembly medicating instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN102716031B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2877515C (en) * | 2012-04-06 | 2018-01-02 | Chongqing Lummy Pharmaceutical Co., Ltd. | Preassembled medicine mixer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4576211A (en) * | 1984-02-24 | 1986-03-18 | Farmitalia Carlo Erba S.P.A. | Safety device for connection of a syringe with the mouth or opening of a bottle containing a drug or a small tube for drug delivery from the syringe |
| EP0565103A1 (en) * | 1992-04-10 | 1993-10-13 | Nissho Corporation | Fluid container |
| JPH06343678A (en) * | 1993-06-04 | 1994-12-20 | Nissho Corp | Vessel for infusion liquid |
| CN202207299U (en) * | 2011-09-14 | 2012-05-02 | 重庆莱美药业股份有限公司 | Soft bottle with positioning and pushing device |
| CN202620234U (en) * | 2012-07-02 | 2012-12-26 | 重庆莱美药业股份有限公司 | Pushing device for short-process preloading doser |
-
2012
- 2012-07-02 CN CN201210224540.9A patent/CN102716031B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4576211A (en) * | 1984-02-24 | 1986-03-18 | Farmitalia Carlo Erba S.P.A. | Safety device for connection of a syringe with the mouth or opening of a bottle containing a drug or a small tube for drug delivery from the syringe |
| EP0565103A1 (en) * | 1992-04-10 | 1993-10-13 | Nissho Corporation | Fluid container |
| JPH06343678A (en) * | 1993-06-04 | 1994-12-20 | Nissho Corp | Vessel for infusion liquid |
| CN202207299U (en) * | 2011-09-14 | 2012-05-02 | 重庆莱美药业股份有限公司 | Soft bottle with positioning and pushing device |
| CN202620234U (en) * | 2012-07-02 | 2012-12-26 | 重庆莱美药业股份有限公司 | Pushing device for short-process preloading doser |
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| Publication number | Publication date |
|---|---|
| CN102716031A (en) | 2012-10-10 |
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