CN102716034A - Push device used on short-travel precession preassembly medicating instrument - Google Patents
Push device used on short-travel precession preassembly medicating instrument Download PDFInfo
- Publication number
- CN102716034A CN102716034A CN2012102245540A CN201210224554A CN102716034A CN 102716034 A CN102716034 A CN 102716034A CN 2012102245540 A CN2012102245540 A CN 2012102245540A CN 201210224554 A CN201210224554 A CN 201210224554A CN 102716034 A CN102716034 A CN 102716034A
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- Prior art keywords
- cartridge case
- rotary sleeve
- guide
- medicating
- thrust unit
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- 239000003814 drug Substances 0.000 claims abstract description 86
- 238000000034 method Methods 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000001802 infusion Methods 0.000 claims description 17
- 230000001737 promoting effect Effects 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 1
- 230000005068 transpiration Effects 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 7
- 229940079593 drug Drugs 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 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
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000243 solution Substances 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 precession preassembly medicating instrument. The push device comprises a medicating barrel, a rotating sleeve and a guide part, wherein a guide helical slot is formed on the inner wall of the medicating barrel; the rotating sleeve extends into the medicating barrel, is fixed together with the medicating barrel in the axial direction and matched with the medicating barrel in a sealed rotatable manner in the radial direction; a guide through slot is formed on the side wall of the rotating sleeve along the axial direction; the guide part is arranged in the rotating sleeve; and a guide block is arranged on the outer wall of the guide part, passes through the guide through slot and extends into the guide helical slot. During use, due to a diaphragm in an interface and the rotating sleeve, a medicine container and a medicating dual needle are in a 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 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 that uses on the dosing appearance that uses when relating in particular to a kind of mixed medicine.
Background technology
For the medicine in the medicament reservoir is added in the solution in the infusion vessel (being transfusion flexible bag or soft transfusion bottle), then mixed solution is imported such as the patient in the clinical mechanism of hospital.In the prior art, often adopt the dosing appearance that medicament reservoir is connected with transfusion flexible bag or soft transfusion bottle.
Dosing appearance of the prior art mainly comprises and adds cartridge case and dosing crosspointer; The dosing tube forms cup-like structure, and the dosing crosspointer is stuck in through the crosspointer supporting seat and adds in the cartridge case, in order to seal mixing the medicine passage; Be provided with barrier film adding on the bottom interior wall cross section of cartridge case; Top adding cartridge case 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.During use; This is added cartridge case dock, tear the diaphragm seal that adds on the cartridge case top, medicament reservoir is snapped in add in the cartridge case again with the interface of transfusion flexible bag or soft transfusion bottle; Also promoting the dosing crosspointer when medicament reservoir snaps in moves down; The last needle point of dosing crosspointer pierces through the sealing-plug on the medicament reservoir, the broken barrier film of the following 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 realize mixing medicine.
Adopt the dosing appearance of said structure, mainly in mixed medicine process have a following deficiency: snap in when adding in the cartridge case at medicament reservoir, must add the diaphragm seal on the cartridge case top by tear initiation, and add cartridge case when snapping in and to contact with the external world, and then pollute.And all closed dosing appearance that occur in the prior art all can only be implemented in and mix the airtight of medicine process, and can not realize cillin bottle and dosing appearance dock, mix medicine and " overall process is sterile closed " when infusing.
Summary of the invention
To the above-mentioned deficiency that exists in the prior art, the invention provides a kind of can be in butt joint under the integral asepsis state, mix the thrust unit that uses on the airtight short process precession prepackage type dosing appearance of medicine and transfusion overall process.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:
The thrust unit that uses on the short process precession prepackage type dosing appearance comprises adding cartridge case, rotary sleeve and guiding parts that a said end that adds cartridge case is the interface link, is provided with the guiding helicla flute at the other end inwall that adds cartridge case;
One end of said rotary sleeve puts in the other end that adds cartridge case and is sealed and matched with adding cartridge case axial restraint, radially rotatable cooperation the, and rotary sleeve and add cartridge case; The sidewall upper edge of said rotary sleeve is axially arranged with guide groove; A segment distance is extended at the two ends of said guide groove in the opposite direction on the circumference of rotary sleeve, the direction that extend on the circumference of rotary sleeve the bottom of said guide groove direction of rotation of rotary sleeve when promoting is consistent;
Said guiding parts is located in the rotary sleeve, and the outer wall of guiding parts is provided with guide pad, and said guide pad passes guide groove and puts in the guiding helicla flute; Said guiding parts is flat board, grab bucket or guide cylinder; Open Side Down in said grab bucket; One end of said guide cylinder is uncovered, and the opening end of guide cylinder is downward, and the inner chamber of guide cylinder is the medicament reservoir containing cavity.
As a kind of preferred version of the present invention; Be symmetrical set two guiding helicla flutes on the said inwall that adds cartridge case; Be arranged with two guide grooves that are provided with vertically on the sidewall of said rotary sleeve; Be arranged with two guide pads on the outer wall of said guiding parts, one of them guide pad passes a guide groove and stretches in the guiding helicla flute, and another guide pad passes another guide groove and stretches in another guiding helicla flute.
As another kind of preferred version of the present invention, the other end of said rotary sleeve is a sealed end.
As another preferred version of the present invention, the outer wall of said rotary sleeve is along being circumferentially with pressure ring, and said pressure ring is pressed on the other end that adds cartridge case and with it and is sealed and matched.
As a kind of improvement project of the present invention, said pressure ring is sealed and matched through the sealing ring and the other end that adds cartridge case.
As another kind of improvement project of the present invention, on the said inwall that adds cartridge case and near the interface link annular rubber cushion is set.
As another improvement project of the present invention, the bottom of said interface link is provided with and is used for the clip assembly that the interface with infusion vessel is connected with the interface link.
As further improvement project of the present invention, on the said inwall that adds cartridge case and be symmetrically arranged with at least two near the interface link and be barb-like and be used to prevent the anti-slide fastener that medicament reservoir is loosening.
The invention has the beneficial effects as follows: when using the thrust unit that uses on this weak point process precession prepackage type dosing appearance; To add cartridge case earlier docks with interface on transfusion flexible bag or the soft transfusion bottle; The dosing crosspointer packed into add in the cartridge case; Medicament reservoir is pre-loaded in the below or guiding parts of guiding parts, again rotary sleeve is installed in the top that adds cartridge case.Rotary sleeve through barrier film in the interface and end sealing makes medicament reservoir and dosing crosspointer be in sealing state, therefore, can reach transportation and store absolute aseptic.When mixing medicine; Rotate rotary sleeve and drive guiding parts and move down rapidly along the guiding helicla flute that adds the cartridge case inwall, and then the medicament reservoir that drives in guiding parts below or the guiding parts moves down, medicament reservoir presses on the dosing crosspointer and drives the dosing crosspointer and moves down; The last needle point of dosing crosspointer pierces through the sealing-plug on the medicament reservoir; The following needle point of dosing crosspointer punctures the barrier film in the interface, and medicament reservoir and transfusion flexible bag or soft transfusion bottle interior moment are communicated with, and whole process all is in aseptic butt joint; Therefore, it is sterile closed that the overall process of medicine and transfusion can be realized transporting, stores, docks, mixed to the thrust unit that uses on this weak point process precession prepackage type dosing appearance.Medicament reservoir is pre-loaded in the below or guiding parts of guiding parts, has shortened guiding parts and medicament reservoir when mixing medicine greatly and moved down distance (realizing the mixed medicine of short process).
Description of drawings
Fig. 1 is for lacking the structural representation of the thrust unit that uses on the process precession prepackage type dosing appearance;
Fig. 2 is the cross-sectional view that adds cartridge case;
Fig. 3 is the front view of rotary sleeve;
Fig. 4 is along the cross section view of A-A direction among Fig. 3;
Fig. 5 is the cross-sectional view of guide cylinder;
Fig. 6 is connected on the infusion vessel for the thrust unit that uses on the short process precession prepackage type dosing appearance and is in the structural representation before using;
Fig. 7 be connected on the infusion vessel for the thrust unit that uses on the short process precession prepackage type dosing appearance and be in use after structural representation.
In the accompanying drawing: 1-add cartridge case; 2-dosing crosspointer; 4-rotary sleeve; 5-guide cylinder; 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-anti-slide fastener; 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 accompanying drawing and the specific embodiment the present invention is done to describe in further detail.
As shown in Figure 1, the thrust unit that uses on the short process precession prepackage type dosing appearance comprises and adds cartridge case 1, rotary sleeve 4 and guiding parts.An end that adds cartridge case 1 is an interface link 6, is provided with guiding helicla flute 7 at the other end inwall that adds cartridge case 1.One end of rotary sleeve 4 puts in the other end that adds cartridge case 1 and is sealed and matched with adding cartridge case 1 axial restraint, radially rotatable cooperation the, and rotary sleeve 4 and add cartridge case 1.The sidewall upper edge of rotary sleeve 4 is axially arranged with guide groove 8; A segment distance is extended at the two ends of guide groove 8 in the opposite direction on the circumference of rotary sleeve 4, the direction that extend on the circumference of rotary sleeve 4 bottom of guide groove 8 direction of rotation of rotary sleeve 4 when promoting is consistent.Guiding parts is located in the rotary sleeve 4, and the outer wall of guiding parts is provided with guide pad 9, and guide pad 9 passes guide groove 8 and puts in the guiding helicla flute 7.Guiding parts is flat board, grab bucket or guide cylinder 5.Guiding parts adopts when dull and stereotyped, only needs medicament reservoir 17 directly is placed on dull and stereotyped below, and the guide pad that the both sides through flat board are provided with realizes that guiding moves downwards, and dull and stereotyped the contact with medicament reservoir 17 also can directly promote medicament reservoir 17 and move down.When guiding parts adopts grab bucket; Open Side Down in grab bucket, and medicament reservoir 17 need be placed in the grab bucket in advance when using this dosing appearance, and grab bucket is medicament reservoir 17 promptly; Guide pad through being provided with on the outer wall of grab bucket both sides realizes that guiding moves downwards, and grab bucket can directly promote medicament reservoir 17 and move down.In the present embodiment; Guiding parts adopts guide cylinder 5, and an end of guide cylinder 5 is uncovered, and the opening end of guide cylinder 5 is downward; The inner chamber of guide cylinder 5 is the medicament reservoir containing cavity; Medicament reservoir 17 need be placed in the guide cylinder 5 in advance when using this dosing appearance, and the inwall of guide cylinder 5 is limit drug container 17 double swerve in use effectively, can directly promote medicament reservoir 17 through guide cylinder 5 and move down.
Wherein, the structure that adds cartridge case is as shown in Figure 2, and the bottom that adds cartridge case 1 is an interface link 6, and the inwall of interface link 6 is a throat structure, is more conducive to the interface size coupling with infusion vessel 14 (being transfusion flexible bag or soft transfusion bottle) like this.Add on the inwall of cartridge case 1 and annular rubber cushion 12 is set near interface link 6; (the dosing crosspointer 2 of present embodiment adopts the cross pin to dosing crosspointer 2; Be the last pin of dosing crosspointer 2, down pin and crosspointer supporting seat 15 are one-body molded) be located at and add in the cartridge case 1; The following needle point of dosing crosspointer 2 passes annular rubber cushion 12 and is stuck on the annular rubber cushion 12, and the crosspointer supporting seat 15 of dosing crosspointer 2 is positioned at the top (like Fig. 6, shown in 7) of annular rubber cushion 12.Add on the inwall of cartridge case 1 and be symmetrically arranged with at least two and be barb-like and be used for preventing the anti-slide fastener 16 (present embodiments that medicament reservoir is loosening near interface link 6; On the inwall that adds cartridge case 1, be symmetrically arranged with four anti-slide fasteners); After in medicament reservoir 17 is packed guide cylinder 5 into; When medicament reservoir 17 mixes medicine with infusion vessel 14 (as shown in Figure 7); The bottle cap of medicament reservoir 17 is stuck in the below of anti-slide fastener 16, and this anti-slide fastener 16 can stop medicament reservoir 17 to be retreated effectively, ensures that mixing medicine carries out smoothly.The upper inside wall that adds cartridge case 1 is provided with guiding helicla flute 7, in the present embodiment, adds on the inwall of cartridge case 1 and is symmetrical set two guiding helicla flutes 7.Along being circumferentially with annular snap 18, on the top end face that adds cartridge case 1, along the circumferential direction be provided with annular groove 19 at the inwall top that adds cartridge case 1.
The structure of rotary sleeve 4 such as Fig. 3 and shown in Figure 4, the bottom of rotary sleeve 4 puts in from the upper end that adds cartridge case 1 and adds in the cartridge case 1 and be sealed and matched with adding cartridge case 1 axial restraint, radially rotatable cooperation the, and rotary sleeve 4 and add cartridge case 1, and the top of rotary sleeve 4 is a sealed end.In the present embodiment, be circumferentially with pressure ring 10 on the outer wall edge of rotary sleeve 4, the edge is circumferentially with annular slot 20 below pressure ring 10.When rotary sleeve 4 be installed in add on the cartridge case 1 after, annular snap 18 is positioned at annular slot 20, and sealing ring 11 is installed in annular groove 19, pressure ring 10 is pressed on the top that adds cartridge case 1 and with it through sealing ring 11 and is sealed and matched.When rotating rotary sleeve 4, annular snap 18 is rotated in annular slot 20, because of the sealing function of sealing ring 11, makes rotary sleeve 4 both rotatable in adding cartridge case 1, can realize the outer wall and the top seal that adds cartridge case 1 of rotary sleeve 4 again.The sidewall upper edge of rotary sleeve 4 is axially arranged with guide groove 8 (in the present embodiment, being arranged with two guide grooves 8 that are provided with vertically on the sidewall of rotary sleeve 4).A segment distance is extended at the two ends of guide groove 8 in the opposite direction on the circumference of rotary sleeve 4, form 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 6); Guide pad 9 on the guide cylinder 5 is positioned at the groove of guide groove 8 top circumferencial directions; Stoped guide cylinder 5 axially mobile effectively, moved down thereby avoided guide cylinder 5 before mixed medicine, to drive medicament reservoir 17 from down along it; When medicament reservoir 17 mixes medicine with infusion vessel 14 (as shown in Figure 7); Guide pad 9 on the guide cylinder 5 is positioned at the groove of guide groove 8 bottom circumferencial directions; Stoped effectively guide cylinder 5 along it axially from moving; Thereby stop medicament reservoir 17 to be retreated effectively, ensure that further mixing medicine carries out smoothly.
As rotary sleeve 4 with add cartridge case 1 fit structure a kind ofly be equal to replacement, can adopt following structure: the bottom of rotary sleeve 4 is enclosed within on the top that adds cartridge case 1 outside and is sealed and matched with adding cartridge case 1 axial restraint, radially rotatable cooperation the, and rotary sleeve 4 and add cartridge case 1.The sidewall of rotary sleeve 4 is provided with the guiding helicla flute; And guide groove is set vertically at the top inwall that adds cartridge case 1; Guide pad 9 on the guide cylinder 5 passes in the guiding helicla flute that adds the guide groove on the cartridge case 1 and put in rotary sleeve 4, and rotation rotary sleeve 4 can drive guide cylinder 5 equally and move down.
The structure of guide cylinder 5 such as Fig. 5, guide cylinder 5 are located in the rotary sleeve 4, and guide cylinder 5 is coaxially set with rotary sleeve 4.The opening end of guide cylinder 5 is downward and corresponding with the last needle point of dosing crosspointer 2, and the inner chamber of guide cylinder 5 is the 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 guide groove 8 and stretches in the guiding helicla flute 7, and another guide pad 9 passes another guide groove 8 and stretches in another guiding helicla flute 7.
The bottom of interface link 6 is provided with and is used for the clip assembly 24 that the interface with infusion vessel 14 is connected with interface link 6.Interface link 6 just can be realized being tightly connected through clip assembly 24 with 22 need of interface on the infusion vessel 14.(being the top of rotary sleeve 4) is provided with suspension ring 13 on the sealed end of rotary sleeve 4, can be suspended on the used bracing frame of transfusion with this drug feeding device and with the infusion vessel 14 (as shown in Figure 6) that drug feeding device connects through these suspension ring 13.
When thrust unit that uses on this weak point process precession prepackage type dosing appearance and infusion vessel assembling, at first will add the bottom of cartridge case 1 and the interface 22 on the infusion vessel 14 and be tightly connected through clip assembly 24; Again guide cylinder 5 is installed in the rotary sleeve 4, and makes the guide pad 9 on the guide cylinder 5 pass the guide groove 8 on the rotary sleeve 4; Again dosing crosspointer 2 is placed on and adds in the cartridge case 1; Medicament reservoir 17 is placed in the guide cylinder 5; Then that the guide pad on the guide cylinder 59 is corresponding with guiding helicla flute 7 on adding cartridge case 1, with rotary sleeve 4 be installed in add on the cartridge case 1 after, guide pad 9 stretches in the guiding helicla flute 7.
When using the thrust unit that uses on this weak point process precession prepackage type dosing appearance, the interface 22 on the interface link 6 that will add cartridge case 1 earlier and the infusion vessel 14 is tightly connected (also can adopt the mode of seam and realize being tightly connected with the mode that is threaded) through clip assembly 24, in the present embodiment; Infusion vessel 14 adopts transfusion flexible bag; As shown in Figure 6, under aseptic condition, dosing crosspointer 2 is placed on adds in the cartridge case 1; Medicament reservoir 17 is pre-loaded in the guide cylinder 5; Rotary sleeve 4 through barrier film in the interface 22 23 and end sealing makes medicament reservoir 17 and dosing crosspointer 2 be in sealing state, therefore, can reach transportation and store absolute aseptic.When mixing medicine, rotate rotary sleeve 4, rotary sleeve 4 drives guide cylinder 5 and moves down rapidly along the guiding helicla flute 7 that adds on cartridge case 1 inwall; And then the medicament reservoir 17 that drives in the guide cylinder 5 moves down; Medicament reservoir 17 presses on the dosing crosspointer 2 and drives dosing crosspointer 2 and moves down, and the last needle point of dosing crosspointer 2 pierces through the sealing-plug on the medicament reservoir 17, and the following needle point of dosing crosspointer 2 punctures the barrier film 23 in the interface 22; Make that moment is communicated with in medicament reservoir 17 and the transfusion flexible bag; As shown in Figure 7, whole process all is in aseptic butt joint, and whole process all moves down realization through rotating rotary sleeve 4 driving guide cylinders 5.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 the guide pad 9 on the guide cylinder 5 moved down in the groove of guide groove 8 bottom circumferencial directions, medicament reservoir 17 was pushed to the below that bottle cap is positioned at anti-slide fastener 16, stops medicament reservoir 17 to be retreated effectively, ensured that mixing medicine carries out smoothly.Because the thrust unit that uses on this weak point process precession prepackage type dosing appearance is accomplished until transfusion after being pre-loaded into medicament reservoir; Related medicament reservoir with all be in aseptic condition with parts that medicine directly contacts; Therefore, can realize that medicine is sterile closed in the overall process of transportation, storage, butt joint, mixed medicine and transfusion.Medicament reservoir is pre-loaded in the guide cylinder, has shortened guide cylinder and medicament reservoir when mixing medicine greatly and moved down distance (realizing the mixed medicine of short process).
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. lack the thrust unit that uses on the process precession prepackage type dosing appearance, it is characterized in that: comprise adding cartridge case (1), rotary sleeve (4) and guiding parts;
A said end that adds cartridge case (1) is interface link (6), is provided with guiding helicla flute (7) at the other end inwall that adds cartridge case (1);
One end of said rotary sleeve (4) puts in the other end that adds cartridge case (1) and is sealed and matched with adding cartridge case (1) axial restraint, radially rotatable cooperation the, and rotary sleeve (4) and add cartridge case (1); The sidewall upper edge of said rotary sleeve (4) is axially arranged with guide groove (8); A segment distance is extended at the two ends of said guide groove (8) in the opposite direction on the circumference of rotary sleeve (4), the direction of rotation of the direction that extend on the circumference of rotary sleeve (4) bottom of said guide groove (8) rotary sleeve (4) when promoting is consistent;
Said guiding parts is located in the rotary sleeve (4), and the outer wall of guiding parts is provided with guide pad (9), and said guide pad (9) passes guide groove (8) and puts in the guiding helicla flute (7); Said guiding parts is flat board, grab bucket or guide cylinder (5); Open Side Down in said grab bucket; One end of said guide cylinder (5) is uncovered, and the opening end of guide cylinder (5) is downward, and the inner chamber of guide cylinder (5) is the medicament reservoir containing cavity.
2. the thrust unit that uses on the short process precession prepackage type dosing appearance according to claim 1; It is characterized in that: be symmetrical set two guiding helicla flutes (7) on the said inwall that adds cartridge case (1); Be arranged with two guide grooves (8) that are provided with vertically on the sidewall of said rotary sleeve (4); Be arranged with two guide pads (9) on the outer wall of said guiding parts; One of them guide pad (9) passes a guide groove (8) and stretches in the guiding helicla flute (7), and another guide pad (9) passes another guide groove (8) and stretches in another guiding helicla flute (7).
3. the thrust unit that uses on the short process precession prepackage type dosing appearance according to claim 2, it is characterized in that: the other end of said rotary sleeve (4) is a sealed end.
4. the thrust unit that uses on the short process precession prepackage type dosing appearance according to claim 3; It is characterized in that: the outer wall of said rotary sleeve (4) is along being circumferentially with pressure ring (10), and said 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 that uses on the short process precession prepackage type dosing appearance according to claim 4 is characterized in that: said pressure ring (10) is sealed and matched through the sealing ring (11) and the other end that adds cartridge case (1).
6. the thrust unit that uses on the short process precession prepackage type dosing appearance according to claim 5 is characterized in that: on the said inwall that adds cartridge case (1) and near interface link (6) annular rubber cushion (12) is set.
7. according to the thrust unit that uses on the described short process precession prepackage type dosing appearance of each claim in the claim 1 to 6, it is characterized in that: the bottom of said interface link (6) is provided with and is used for the clip assembly (24) that the interface with infusion vessel (14) is connected with interface link (6).
8. according to the thrust unit that uses on the described short process precession prepackage type dosing appearance of each claim in the claim 1 to 6, it is characterized in that: on the said inwall that adds cartridge case (1) and be symmetrically arranged with at least two near interface link (6) and be barb-like and be used to prevent the anti-slide fastener (16) that medicament reservoir is loosening.
9. the thrust unit that uses on the short process precession prepackage type dosing appearance according to claim 7 is characterized in that: on the said inwall that adds cartridge case (1) and be symmetrically arranged with at least two near interface link (6) and be barb-like and be used to prevent the anti-slide fastener (16) that medicament reservoir is loosening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224554.0A CN102716034B (en) | 2012-07-02 | 2012-07-02 | Push device used on short-travel precession preassembly medicating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224554.0A CN102716034B (en) | 2012-07-02 | 2012-07-02 | Push device used on short-travel precession preassembly medicating instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102716034A true CN102716034A (en) | 2012-10-10 |
| CN102716034B CN102716034B (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210224554.0A Expired - Fee Related CN102716034B (en) | 2012-07-02 | 2012-07-02 | Push device used on short-travel precession preassembly medicating instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN102716034B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013149445A1 (en) * | 2012-04-06 | 2013-10-10 | 重庆莱美药业股份有限公司 | 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 |
| US4936841A (en) * | 1988-03-31 | 1990-06-26 | Fujisawa Pharmaceutical Co., Ltd. | Fluid container |
| EP0565103A1 (en) * | 1992-04-10 | 1993-10-13 | Nissho Corporation | Fluid container |
| 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 |
| CN202605316U (en) * | 2012-07-02 | 2012-12-19 | 重庆莱美药业股份有限公司 | Pushing device used on short-process precession preassembly type doser |
-
2012
- 2012-07-02 CN CN201210224554.0A patent/CN102716034B/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 |
| US4936841A (en) * | 1988-03-31 | 1990-06-26 | Fujisawa Pharmaceutical Co., Ltd. | Fluid container |
| EP0565103A1 (en) * | 1992-04-10 | 1993-10-13 | Nissho Corporation | Fluid container |
| 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 |
| CN202605316U (en) * | 2012-07-02 | 2012-12-19 | 重庆莱美药业股份有限公司 | Pushing device used on short-process precession preassembly type doser |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013149445A1 (en) * | 2012-04-06 | 2013-10-10 | 重庆莱美药业股份有限公司 | Preassembled medicine mixer |
| US9839581B2 (en) | 2012-04-06 | 2017-12-12 | Chongqing Lummy Pharmaceutical Co., Ltd. | Preassembled medicine mixer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102716034B (en) | 2014-06-11 |
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