CN102716522A - Screw-in pre-installed type medicine-charging instrument - Google Patents
Screw-in pre-installed type medicine-charging instrument Download PDFInfo
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- CN102716522A CN102716522A CN2012102245555A CN201210224555A CN102716522A CN 102716522 A CN102716522 A CN 102716522A CN 2012102245555 A CN2012102245555 A CN 2012102245555A CN 201210224555 A CN201210224555 A CN 201210224555A CN 102716522 A CN102716522 A CN 102716522A
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- fairlead
- rotary sleeve
- medicine
- cartridge case
- push rod
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- 238000001802 infusion Methods 0.000 claims description 19
- 210000001503 joint Anatomy 0.000 claims description 10
- 230000001737 promoting effect Effects 0.000 claims description 3
- 239000003814 drug Substances 0.000 abstract description 66
- 238000007789 sealing Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 12
- 230000004888 barrier function Effects 0.000 description 7
- 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
- 230000015572 biosynthetic process 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
- 229940079593 drug Drugs 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a screw-in pre-installed type medicine-charging instrument, comprising a medicine-charging barrel, double medicine-charging needles, a guide sleeve I, a rotary sleeve and a push rod, wherein the double medicine-charging needles are arranged in the medicine-charging barrel, the guide sleeve I is arranged between the medicine-charging barrel and the rotary sleeve, one end of the rotary sleeve forms a sealing connection with one end of the medicine-charging barrel, and the guide sleeve I forms axial fixed fit with the rotary sleeve; and the push rod is arranged along the axial direction of the guide sleeve I and driven by the rotary sleeve to move along the axial direction of the guide sleeve I. When the screw-in pre-installed type medicine-charging instrument is used, a medicine container and the double medicine-charging needles are in a sealed state via a diaphragm and the rotary sleeve with a sealed end part, so that absolutely sterile transport and storage can be achieved. The rotary sleeve is rotated to drive the push rod to rapidly move downwards along the guide spiral groove, so as to push the medicine container, and the upper needle points of the double medicine-charging needles puncture a sealing plug on the medicine container, the lower needle points of the double medicine-charging needles puncture the diaphragm in a connector, so that the medicine container is instantaneously communicated with the interior of a transfusion container, and the whole process is in a sterile butt-joint; and therefore, whole-course sterile sealing for transport, storage, butt-joint, medicine mixing and transfusion can be realized.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, 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 under the integral asepsis state, dock, mix medicine and the airtight precession prepackage type dosing appearance of transfusion overall process.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:
Precession prepackage type dosing appearance comprises adding cartridge case, dosing crosspointer, fairlead I, rotary sleeve and push rod; Said dosing crosspointer is located at and adds in the cartridge case, and said fairlead I is arranged on and adds between cartridge case and the rotary sleeve, and an end of said rotary sleeve forms with an end that adds cartridge case and is tightly connected, and said fairlead I forms axial restraint with rotary sleeve and cooperates; Said push rod drives moving axially along the fairlead I along the axial setting of fairlead I and by rotary sleeve.
Further, the sidewall upper edge of said fairlead I is axially arranged with gathering sill.
Further, also comprise the fairlead II, on the said fairlead II guiding helicla flute is set; The outer wall of said push rod is provided with guide pad, and said fairlead I is positioned at the fairlead II, and guide pad passes gathering sill and inserts in the guiding helicla flute.
Further, also comprise the fairlead II, on the said fairlead II guiding helicla flute is set; The outer wall of said push rod is provided with guide pad, and said fairlead II is positioned at the fairlead I, and said guide pad passes the guiding helicla flute and inserts in the gathering sill.
Further, an end of said fairlead II and an end sealed butt joint that adds cartridge case; Said fairlead I and rotary sleeve are one-body molded; Said rotary sleeve forms axial restraint, radially rotatable cooperation the, and rotary sleeve and fairlead II with the fairlead II and is sealed and matched.
Further, an end of said fairlead I with add the cartridge case sealed butt joint; Said fairlead II and rotary sleeve are one-body molded, and said rotary sleeve forms axial restraint, radially rotatable cooperation the, and rotary sleeve and fairlead I with the fairlead I and is sealed and matched.
Further, the other end of said rotary sleeve is a blind end.
Further, a segment distance is extended at the two ends of said gathering sill in the opposite direction on the circumference of fairlead I, and the direction that extend on the circumference of fairlead I the bottom of said gathering sill direction of rotation of rotary sleeve when promoting is consistent.
Further, the said other end that adds cartridge case is the interface link, and 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.
Further again, on the said inwall that adds cartridge case and be symmetrically arranged with at least two near the interface link and be barb-like anti-slide fastener.
The invention has the beneficial effects as follows: when using this precession prepackage type dosing appearance, will add cartridge case earlier and dock, and medicament reservoir is pre-loaded into will add in the cartridge case with interface on transfusion flexible bag or the soft transfusion bottle, again with the fairlead II with add the cartridge case sealed butt joint.Rotary sleeve through barrier film in the interface and end seal can make medicament reservoir and dosing crosspointer be in sealing state, therefore, can reach transportation and store absolute aseptic.When mixing medicine; Rotate rotary sleeve driving push rod and move down rapidly, press on the medicament reservoir, and then promotion dosing crosspointer moves down along the guiding helicla flute on the fairlead II; 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 this precession prepackage type dosing appearance.
Description of drawings
Fig. 1 is the structural representation of precession prepackage type dosing appearance embodiment one;
Fig. 2 is the cross-sectional view that adds cartridge case;
Fig. 3 is the cross-sectional view of fairlead II;
Fig. 4 is rotary sleeve and the integrated front view of fairlead I;
Fig. 5 is along the cross section view of A-A direction among Fig. 4;
Fig. 6 is the cross-sectional view of push rod;
Fig. 7 is the perspective view of push rod;
Fig. 8 is rotary sleeve and the integrated front view of fairlead II;
Fig. 9 is along the cross section view of B-B direction among Fig. 8;
Figure 10 is the cross-sectional view of fairlead I in embodiment two;
Figure 11 is connected on the infusion vessel for precession prepackage type dosing appearance and is in the structural representation before using;
Figure 12 for precession prepackage type dosing appearance be connected on the infusion vessel and be in use after structural representation.
In the accompanying drawing: 1-add cartridge case; 2-dosing crosspointer; 3-fairlead I; 4-rotary sleeve; 5-push rod; 6-interface link; 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-anti-slide fastener; 17-medicament reservoir; 18-annular snap; 19-annular groove; 20-annular slot; 21-passage; 22-interface; 23-barrier film; 24-fairlead II; 25-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, precession prepackage type dosing appearance comprises adding cartridge case 1, dosing crosspointer 2, fairlead I 3, rotary sleeve 4 and push rod 5.Dosing crosspointer 2 is located at and adds in the cartridge case 1, and fairlead I 3 is arranged on and adds between cartridge case 1 and the rotary sleeve 4, and the bottom of rotary sleeve 4 forms with the top that adds cartridge case 1 and is tightly connected, and fairlead I 3 forms axial restraint with rotary sleeve 4 and cooperates.Push rod 5 drives along the moving axially of fairlead I 3 along the axial setting of fairlead I 3 and by rotary sleeve 4, and the sidewall upper edge of fairlead I 3 is axially arranged with gathering sill 8.
The structure of precession prepackage type dosing appearance in embodiment one sees also Fig. 1 to Fig. 7:
In the building block of precession prepackage type dosing appearance; The structure that adds cartridge case is as shown in Figure 2; 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 the inwall of cartridge case 1 and be provided with annular rubber cushion 12 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 of annular rubber cushion 12.On the inwall that adds cartridge case 1, be symmetrically arranged with at least two and be barb-like anti-slide fastener 16 (in the present embodiment; On the inwall that adds cartridge case 1, be provided with four anti-slide fasteners); Medicament reservoir 17 pack into add in the cartridge case 1 after, when medicament reservoir 17 mixes medicine with infusion vessel 14 (shown in figure 12), the bottle cap of medicament reservoir 17 is stuck in the below of anti-slide fastener 16; Should can stop medicament reservoir 17 to be retreated effectively by anti-slide fastener 16, ensure that mixing medicine carried out smoothly.
This precession prepackage type dosing appearance also comprises fairlead II 24; The structure of fairlead II 24 is as shown in Figure 3; (mode that can adopt seam) docked in the bottom of fairlead II 24 with the end sealing that adds cartridge case 1; The inwall of fairlead II 24 is provided with guiding helicla flute 7, in the present embodiment, is symmetrical set two guiding helicla flutes 7 on the inwall of fairlead II 24.Edge, inwall top in fairlead II 24 is circumferentially with annular snap 18, on the top end face of fairlead II 24, along the circumferential direction is provided with annular groove 19.
Structure such as Fig. 4 and shown in Figure 5 of rotary sleeve 4 and 3 cooperations of fairlead I; Fairlead I 3 is positioned at the below of rotary sleeve 4; Rotary sleeve 4 is one-body molded with fairlead I 3, and fairlead I 3 is positioned at fairlead II 24, and rotary sleeve 4 and fairlead II 24 form axial restraints, radially turn and cooperate; And rotary sleeve 4 is sealed and matched with fairlead II 24, 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.After rotary sleeve 4 was installed on the fairlead II 24, annular snap 18 was positioned at annular slot 20, and sealing ring 11 is installed in annular groove 19, and pressure ring 10 is pressed in through sealing ring 11 on the top of fairlead II 24 and with it 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 on fairlead II 24, can realize the outer wall of rotary sleeve 4 and the top seal of fairlead II 24 again.The sidewall upper edge of fairlead I 3 is axially arranged with gathering sill 8 (in the present embodiment, being arranged with two gathering sills 8 that are provided with vertically on the sidewall of fairlead I 3).A segment distance is extended at the two ends of gathering sill 8 in the opposite direction on the circumference of fairlead I 3, form 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 (shown in figure 11); Guide pad 9 on the push rod 5 is positioned at the groove of gathering sill 8 top circumferencial directions; Stoped push rod 5 axially mobile effectively, moved down thereby avoided push rod 5 before mixed medicine, to promote medicament reservoir 17 from down along it; When medicament reservoir 17 mixes medicine with infusion vessel 14 (shown in figure 12); Guide pad 9 on the push rod 5 is positioned at the groove of gathering sill 8 bottom circumferencial directions; Stoped effectively push rod 5 along it axially from moving, thereby stop medicament reservoir 17 to be retreated effectively, ensure that further mixing medicine carries out smoothly.
The structure of push rod 5 such as Fig. 6 and shown in Figure 7, push rod 5 is axially disposed within the fairlead I 3 along fairlead I 3, and push rod 5 is the hollow structure of open upper end, lower end sealing, and the hollow structure that push rod 5 formation top diameter of bores are big, the bottom diameter of bore is little.On the base wall of top endoporus, be evenly equipped with the passage 21 that is provided with vertically, when push rod 5 moved down process, this passage 21 helped the gas flow upper space in the lower space, reduced 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 gathering sill 8 and stretches in the guiding helicla flute 7, and another guide pad 9 passes another gathering sill 8 and stretches in another guiding helicla flute 7.Push rod 5 is arranged in the fairlead I 3 along the axis of fairlead I 3; The last needle point of dosing crosspointer 2 is corresponding with push rod 5; Medicament reservoir 17 be placed on add in the cartridge case 1 after, the center, top of the bottom of push rod 5 and medicament reservoir 17 is corresponding, the last needle point of dosing crosspointer 2 is corresponding with the bottle cap of medicament reservoir 17.
The bottom of interface link 6 is provided with and is used for the clip assembly 25 that the interface with infusion vessel 14 is connected with interface link 6.The interface link 6 that adds cartridge case 1 just can be realized being tightly connected through clip assembly 25 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 dosing appearance and with the infusion vessel 14 (shown in figure 11) that the dosing appearance connects through these suspension ring 13.
When this precession prepackage type dosing appearance and infusion vessel assembling (shown in figure 11); At first will add the interface link 6 of cartridge case 1 and the interface 22 on the infusion vessel 14 is tightly connected through clip assembly 25; Again medicament reservoir 17 is placed on and adds in the cartridge case 1, then with 24 seam of fairlead II on the top that adds cartridge case 1; Again push rod 5 is installed in the fairlead I 3; And make the guide pad 9 on the push rod 5 pass the gathering sill 8 on the fairlead I 3; At last that the guide pad on the push rod 59 is corresponding with guiding helicla flute 7 on the fairlead II 24; Rotary sleeve 4 is installed on the fairlead II 24, and guide pad 9 stretches in the guiding helicla flute 7.
The structure of precession prepackage type dosing appearance in embodiment two sees also Fig. 8 to Figure 10:
Embodiment two only is with the difference of embodiment one: dock with the end sealing that adds cartridge case 1 bottom of fairlead I 3, and fairlead II 24 is positioned at fairlead I 3, and fairlead II 24 is one-body molded with rotary sleeve 4.Rotary sleeve 4 and fairlead I 3 forms axial restraints, rotatable cooperation radially; 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, along the circumferential direction be provided with annular groove 19, after rotary sleeve 4 was installed on the fairlead I 3, annular snap 18 was positioned at annular slot 20; Sealing ring 11 is installed in annular groove 19, and pressure ring 10 is pressed in through sealing ring 11 on the top of fairlead I 3 and with it and is sealed and matched).The guide pad 9 of the outer wall setting of push rod 5 passes guiding helicla flute 7 and inserts in the gathering sill 8.
During precession prepackage type dosing appearance in the assembled embodiment two; At first will add the interface link 6 of cartridge case 1 and the interface 22 on the infusion vessel 14 is tightly connected through clip assembly 25; Again medicament reservoir 17 is placed on and adds in the cartridge case 1, then with 3 seam of fairlead I on the top that adds cartridge case 1; Again push rod 5 is installed in the fairlead II 24; And make the guide pad 9 on the push rod 5 pass the guiding helicla flute 7 on the fairlead II 24; At last that the guide pad on the push rod 59 is corresponding with gathering sill 8 on the fairlead I 3, rotary sleeve 4 is installed on the fairlead I 3, guide pad 9 stretches in the gathering sill 8.
To the matching relationship that adds between cartridge case 1, fairlead I 3, rotary sleeve 4 and the fairlead II 24; Except adopting above-mentioned two kinds of embodiment; Also can adopt following two kinds of respective outer side edges modes: first kind is that fairlead I 3 is positioned at fairlead II 24; With the bottom and an end sealed butt joint that adds cartridge case 1 of fairlead I 3, fairlead II 24 is one-body molded with rotary sleeve 4.Rotary sleeve 4 forms axial restraint, radially rotatable cooperation the, and rotary sleeve 4 and fairlead I 3 with fairlead I 3 and is sealed and matched.Second kind is that fairlead II 24 is positioned at fairlead I 3; With the bottom of fairlead II 24 with add cartridge case 1 sealed butt joint; Fairlead I 3 is one-body molded with rotary sleeve 4, and rotary sleeve 4 forms axial restraint, radially rotatable cooperation the, and rotary sleeve 4 and fairlead II 24 with fairlead II 24 and is sealed and matched.
When using this precession prepackage type dosing appearance; Interface 22 on the interface link 6 that will add cartridge case 1 earlier and the infusion vessel 14 is through clip assembly 25 be tightly connected (also can adopt the mode of seam and realize being tightly connected with the mode that is threaded); In the present embodiment, infusion vessel 14 adopts transfusion flexible bag, and is shown in figure 11; Medicament reservoir 17 is pre-loaded under aseptic condition adds in the cartridge case 1; 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 push rod 5 and moves down rapidly along the guiding helicla flute 7 on the fairlead II 24; Directly press on the medicament reservoir 17; And then promote dosing crosspointer 2 and move down, 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 interior barrier film 23 of interface 22; Make that moment is communicated with in medicament reservoir 17 and the transfusion flexible bag; Shown in figure 12, whole process all is in aseptic butt joint, and whole process all moves down realization through rotating rotary sleeve 4 driving push rods 5.And push rod 5 moves down and need rotate and could realize by dependence rotary sleeve 4, so can prevent that in transportation and storing, push rod 5 is oppressed infusion vessels.When the guide pad 9 on the push rod 5 moves down in the groove of gathering sill 8 bottom circumferencial directions, when medicament reservoir 17 is pushed to bottle cap and is positioned at the below of anti-slide fastener 16, stop medicament reservoir 17 to be retreated effectively, ensure that mixing medicine carries out smoothly.Because this 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.Before the mixed medicine during with mixed medicine; Medicament reservoir 17 all is in and adds in the cartridge case 1; Process by transparent material because of adding cartridge case 1; Operator only need through the transparent information that cartridge case 1 just can be observed the thing that makes up a prescription on the medicament reservoir 17 that adds, and help the operator and in time grasp the drug information of being joined, and avoid the medicine mispairing.
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 (10)
1. precession prepackage type dosing appearance comprises adding cartridge case (1) and dosing crosspointer (2), and said dosing crosspointer (2) is located at and adds in the cartridge case (1), it is characterized in that: also comprise fairlead I (3), rotary sleeve (4) and push rod (5); Said fairlead I (3) is arranged on and adds between cartridge case (1) and the rotary sleeve (4), and an end of said rotary sleeve (4) forms with an end that adds cartridge case (1) and is tightly connected, and said fairlead I (3) forms axial restraint with rotary sleeve (4) and cooperates; Said push rod (5) drives moving axially along fairlead I (3) along the axial setting of fairlead I (3) and by rotary sleeve (4).
2. precession prepackage type dosing appearance according to claim 1, it is characterized in that: the sidewall upper edge of said fairlead I (3) is axially arranged with gathering sill (8).
3. precession prepackage type dosing appearance according to claim 2 is characterized in that: also comprise fairlead II (24), guiding helicla flute (7) is set on the said fairlead II (24); The outer wall of said push rod (5) is provided with guide pad (9), and said fairlead I (3) is positioned at fairlead II (24), and guide pad (9) passes gathering sill (8) and inserts in the guiding helicla flute (7).
4. precession prepackage type dosing appearance according to claim 2 is characterized in that: also comprise fairlead II (24), guiding helicla flute (7) is set on the said fairlead II (24); The outer wall of said push rod (5) is provided with guide pad (9), and said fairlead II (24) is positioned at fairlead I (3), and said guide pad (9) passes guiding helicla flute (7) and inserts in the gathering sill (8).
5. according to claim 3 or 4 described precession prepackage type dosing appearance, it is characterized in that: an end of said fairlead II (24) and an end sealed butt joint that adds cartridge case (1); Said fairlead I (3) is one-body molded with rotary sleeve (4); Said rotary sleeve (4) forms axial restraint, radially rotatable cooperation the, and rotary sleeve (4) and fairlead II (24) with fairlead II (24) and is sealed and matched.
6. according to claim 3 or 4 described precession prepackage type dosing appearance, it is characterized in that: an end of said fairlead I (3) with add cartridge case (1) sealed butt joint; Said fairlead II (24) is one-body molded with rotary sleeve (4), and said rotary sleeve (4) forms axial restraint, radially rotatable cooperation the, and rotary sleeve (4) and fairlead I (3) with fairlead I (3) and is sealed and matched.
7. precession prepackage type dosing appearance according to claim 3, it is characterized in that: the other end of said rotary sleeve (4) is a blind end.
8. according to claim 3 or 4 described precession prepackage type dosing appearance; It is characterized in that: a segment distance is extended at the two ends of said gathering sill (8) in the opposite direction on the circumference of fairlead I (3), and the direction of rotation of the direction that extend on the circumference of fairlead I (3) bottom of said gathering sill (8) rotary sleeve (4) when promoting is consistent.
9. according to the described precession prepackage type of each claim dosing appearance in the claim 1 to 4; It is characterized in that: the said other end that adds cartridge case (1) is interface link (6), and the bottom of said interface link (6) is provided with and is used for the clip assembly (25) that the interface with infusion vessel (14) is connected with interface link (6).
10. precession prepackage type dosing appearance according to claim 9 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 anti-slide fastener (16).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102245555A CN102716522B (en) | 2012-04-06 | 2012-07-02 | Screw-in pre-installed type medicine-charging instrument |
| CA2877515A CA2877515C (en) | 2012-04-06 | 2012-08-02 | Preassembled medicine mixer |
| EP12873551.1A EP2845578B1 (en) | 2012-04-06 | 2012-08-02 | Preassembled medicine mixer |
| PCT/CN2012/079609 WO2013149445A1 (en) | 2012-04-06 | 2012-08-02 | Preassembled medicine mixer |
| US14/415,605 US9839581B2 (en) | 2012-04-06 | 2012-08-02 | Preassembled medicine mixer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210099091.X | 2012-04-06 | ||
| CN201210099091 | 2012-04-06 | ||
| CN2012102245555A CN102716522B (en) | 2012-04-06 | 2012-07-02 | Screw-in pre-installed type medicine-charging instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102716522A true CN102716522A (en) | 2012-10-10 |
| CN102716522B CN102716522B (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102245555A Active CN102716522B (en) | 2012-04-06 | 2012-07-02 | Screw-in pre-installed type medicine-charging instrument |
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| CN (1) | CN102716522B (en) |
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| CN201346311Y (en) * | 2009-01-22 | 2009-11-18 | 王同新 | Medical medicine adding needle |
| CN201996844U (en) * | 2011-03-04 | 2011-10-05 | 朗活医药耗材（北京）有限公司 | Medicine adding and infusion apparatus capable of fixedly buckling |
| CN202478177U (en) * | 2012-04-06 | 2012-10-10 | 重庆莱美药业股份有限公司 | Screw-in preassembly type medicine feeder |
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| CN102716522B (en) | 2013-12-04 |
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