CN202207357U - Dosing instrument with double needles - Google Patents
Dosing instrument with double needles Download PDFInfo
- Publication number
- CN202207357U CN202207357U CN2011203438433U CN201120343843U CN202207357U CN 202207357 U CN202207357 U CN 202207357U CN 2011203438433 U CN2011203438433 U CN 2011203438433U CN 201120343843 U CN201120343843 U CN 201120343843U CN 202207357 U CN202207357 U CN 202207357U
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- Prior art keywords
- crosspointer
- seam
- cover
- pin
- overcoat
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Abstract
The utility model discloses a dosing instrument with double needles. The dosing instrument comprises double needles, an inner sleeve with two ends opened and an outer sleeve with one end closed; an elastic support device of double needles with a through hole formed thereon is arranged on the cross section of the inner wall of the inner sleeve; two rows of spigots are arranged on the outer wall; at least one row of spigot rings which are matched with the spigots on the inner sleeve in a sealing manner are arranged on the inner wall of the outer sleeve; the double needles comprise a base, an upper needle and a lower needle; the lower needle penetrates the through hole; the base is clamped in the through hole of the elastic support device of double needles; and the upper needle corresponds to the closed end of the outer sleeve sleeved on the inner sleeve. When the dosing instrument with double needles is in use, the internal threaded end of the inner sleeve is welded on the interface of an infusion container; the infusion container is placed in the inner sleeve, the outer sleeve is sleeved on the inner sleeve, and the outer sleeve is pressed downwards, so that a medicine container and an infusion container are connected under the completely sterile state; not only is the sealing effect good, but also the use is more convenient, and the infusion container can be extruded repeatedly so as to enable medicine and solution to be mixed fully; moreover, the dosing instrument with double needles has a simple structure and low cost.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind ofly to connect medicament reservoir and infusion vessel and make the medicine and the interior blended dosing appearance of solution of infusion vessel in the medicament reservoir.
Background technology
For the medicine in the medicament reservoir is added in the solution in the infusion vessel, then mixed solution is imported such as the patient in the clinical mechanism of hospital.
Existing medicine in the medicament reservoir and the solution in the infusion vessel carried out blended mode mainly contain following several kinds:
One, adopts disposable syringe: at first, use disposable syringe, then, also use this disposable syringe that mixed solution is moved in the solution container with in the input of the solution in the infusion vessel medicament reservoir.Because of need not other device, therefore in the clinical mechanism of hospital, use this kind mode usually, but possibly infiltrate impurity and complicated operation.
Two, adopt the container that connection instrument such as double ended meedle or connecting tube will be equipped with dissolved substance to connect with the container that solution is housed.Make the container lean that dissolved substance is housed so that the medicine that is dissolved in the container is injected in the container that solution is housed.Yet aforesaid operations is complicated and time-consuming.Particularly when playing the operation in the hole that is used to connect on the container that carries out containing medicine in the air, the contaminated probability of the medicine that is equipped with increases.
Three, in order to solve the problem that exists in the above-mentioned dual mode, developed a kind of medicine bottle of injection, in this medicine bottle, be equipped with as the capsule of the bottle of medicament reservoir through a pipe with infusion vessel solution, that have the liquid medicine outlet be housed be connected.In this pipe, be connected with the pin of a hollow, be connected with occluding material towards infusion vessel, the pipe that for example is made of plastics towards bottle.Occluding material blocks to live the passage in the pipe in case the solution stopping body is mobile.When using this medicine bottle, the bottle in the expulsion bladder, and pass rubber closure so that be connected with infusion vessel with the pin of hollow.Use finger to break occluding material opening the passage in the pipe again, thereby make medicine and solution mixing.
Four, comprise with respect to the further improved medicine bottle of the medicine bottle of above-mentioned injection: the infusion vessel that has fluid passage; Top at infusion vessel has a lid; Solution or dilute solution are housed in the medicine bottle of injection, and the capsule that is connected with this infusion vessel is through passing the medicament reservoir that the rubber stopper of sealing import is connected with pin; And this medicament reservoir remains in the capsule, and is used for the runner pipe device that the inboard with infusion vessel is connected with the inboard of medicament reservoir.In addition; This runner pipe device comprises: the cavity pin of hollow; The centre of this pin has a center; And have needle point at two ends, use a needle point of cavity pin to pass the stopper of medicament reservoir continuously and use another needle point of cavity pin to pass the control device of lid so that infusion vessel is connected with medicament reservoir of infusion vessel.The improvement of the medicine bottle of this injection is: medicament reservoir is connected with the infusion vessel that solution is housed, but is to use the pin of hollow to pass the rubber closure of medicine bottle and use finger to break a plurality of action need long time of occluding material.In addition, when occluding material is not destroyed fully, solution can take place be difficult to through passage, and need dissolved problem of many times.
The medicine bottle of above-mentioned injection exists following not enough: the runner pipe device need have the boneplasty pin that a center and two ends have the hollow of needle point in the centre; And be used for control connection order, complex-shaped control device is so that a needle point of boneplasty pin at first passes the stopper of medicament reservoir, makes another needle point of boneplasty pin pass the lid of infusion vessel then.In addition, because the medicine bottle of injection comprises many members, manufacturing cost is high, and has increased the probability of fault.The medicament reservoir that has all size simultaneously; The medicine bottle of the routine of injection is to make according to the size of each medicament reservoir; Therefore, owing to the corresponding mould that is used for the medicine bottle of production injection of size that must make with various medicament reservoirs can increase manufacturing cost.
In order to solve the deficiency of above-mentioned existence; Chinese patent document CN101242800 discloses a kind of " integrated infusion container "; Comprise: infusion vessel; Infusion vessel has the engagement member that is connected with medicament reservoir at an end, has the release component that is used to discharge the liquid medicine that supplies injection at another end; Form as one to hold the protective cover of medicament reservoir with engagement member; The circulation pin, the circulation pin can move forward and pass the stopper of medicament reservoir along the direction of medicament reservoir, insert then in the engagement member that connects infusion vessel and medicament reservoir; And the parts of forming by fixed cap, movable cover, movable flange and fixed seal ring such as protective cover.But also there is following problem in this integrated infusion container: one, the bottom of circulation pin is stretched in the infusion vessel, in the solution of long period of soaking in infusion vessel, can pollute solution unavoidably; Two, the circulation pin needs two sealing-plugs of puncture continuously, and in piercing process, dynamics is difficult to control, is prone to skid; And circulation pin frangible, cause medicine and solution to scrap, increased the use difficulty, the operation of user is had relatively high expectations; When three, using; Forefinger and middle finger place on the flange; Use thumb extrusion flow cleansing pin base upwards to promote the circulation pin and since thumb with circulate between the pin base across the infusion vessel wall, be prone to make infusion vessel wall fold during extruding; Along with the increase of extruding number of times, the fold place of infusion vessel wall is prone to take place damaged; Four, flange top on the engagement member and fixed cap joint are poorly sealed, and the solution in the infusion vessel is added in the medicament reservoir or the mixed-liquor return in the medicament reservoir in infusion vessel the time, is prone to take place seepage; Five, the combiner of this integrated infusion container is more, complex structure, and cost is higher.
The utility model content
To the above-mentioned deficiency that exists in the prior art, this utility model provides a kind of medicament reservoir can be connected at the integral asepsis state with infusion vessel, and the dosing appearance of simple in structure, lower-cost band crosspointer.
In order to solve the problems of the technologies described above, this utility model has adopted following technical scheme: the dosing appearance of band crosspointer comprises:
Interior cover, the both ends open of said interior cover, the cross section of inboard wall of interior cover is provided with the crosspointer resilient supporting unit, and the axis direction that overlaps in the said crosspointer resilient supporting unit upper edge is provided with a through hole, and the outer wall of said interior cover is provided with two and arranges along the seam of circumferential setting;
The overcoat that puts in can being enclosed within, the end sealing of said overcoat, blind end is provided with an openable seal cover, the seam ring that the inwall of its external sleeve is provided with the circumferential setting at least one row edge and is sealed and matched and uses with the interior seam that puts; And
Crosspointer, said crosspointer comprise the last pin and following pin of pedestal and hollow structure; Said upward pin and following pin are separately positioned on the above and below of pedestal, and needle point is outside, and the inner chamber of the inner chamber of last pin and following pin communicates; Said down pin passes through hole, and the pedestal of crosspointer is stuck in the through hole, and it is corresponding with the blind end of overcoat to put Shi Shangzhen in overcoat is enclosed within.
As a kind of preferred version of this utility model, said in an end of cover be and the link of the interface seam of infusion vessel that the other end is the end that is inserted in of overcoat; The inwall of said link is provided with female thread.
As the another kind of preferred version of this utility model, the convexity of a plurality of sawtooth pattern structures of the inner wall even distribution of said crosspointer resilient supporting unit.
As a kind of improvement project of this utility model, several flexure strips that are uniformly distributed with setting on the inwall circumference of said crosspointer resilient supporting unit by interior cover are formed, and several flexure strips form through hole on the axis of interior cover.
As the further improvement project of this this utility model, the outer wall of said pedestal is uniformly distributed with the convexity of a plurality of sawtooth pattern structures.
As the further again improvement project of this utility model, but said seal cover is provided with the suspension ring of opening encapsulation lid.
Compared with prior art, the dosing appearance of the band crosspointer of this utility model has following advantage:
When 1, using the dosing appearance of this band crosspointer, only need female end with interior cover be enclosed within on the interface of infusion vessel and seam, in medicament reservoir is positioned in the cover; Make the sealing-plug of the last tip alignment medicament reservoir of crosspointer; Put in then the overcoat of opening encapsulation lid being enclosed within, push overcoat downwards, put in the most next seam ring that puts outward is pushed into go up in the seam most the time; Close seal cover, make medicament reservoir be in sealing state; When mixing medicine; Open seal cover moment connection atmosphere; Thereby could be further a seam ring puts in being pushed into when going up most in the seam with going up most of putting outward, the pedestal of crosspointer passes the crosspointer resilient supporting unit, the sealing-plug of last needle penetration medicament reservoir; The sealing-plug of following needle penetration infusion vessel, the extruding infusion vessel just can be with solution in the infusion vessel and the medicament mixed in the medicament reservoir.Whole process, medicament reservoir can be connected at the state of integral asepsis with the infusion vessel that solution is housed, thereby medicine is mixed through once contacting of short time with solution, good sealing effect not only, and use more convenient.
When 2, using; Only need to promote overcoat; Just can make medicament reservoir be in sealing state or infusion vessel is communicated with medicament reservoir, avoid fully destroying the infusion vessel wall, can push infusion vessel repeatedly medicine and solution are fully mixed through the infusion vessel wall extrusion flow cleansing pin base that makes progress.
3, can realize monitoring in the use, prevent the medicine mispairing, disorderly join drug safety, and not science medication, for the patient provides medication information more reliably.
4, this dosing appearance mainly by interior cover, overcoat, crosspointer and in being arranged on the crosspointer resilient supporting unit of cover on the cross section form, simple in structure, cost is lower.
Description of drawings
Fig. 1 is the structural representation of the dosing appearance of band crosspointer;
Fig. 2 is the structural representation of interior cover;
Fig. 3 is the structural representation of overcoat;
Fig. 4 is a kind of structural representation of crosspointer;
Fig. 5 is the another kind of structural representation of crosspointer;
Fig. 6 implements one structural representation for the crosspointer resilient supporting unit;
Fig. 7 implements two structural representation for the crosspointer resilient supporting unit;
Fig. 8 is the dosing appearance structural representation in use of band crosspointer.
In the accompanying drawing: 1-crosspointer; 2-interior cover; 3-overcoat; 4-crosspointer resilient supporting unit; 5-through hole; 6-seam; 7-seam; 8-seam ring; 9-seam ring; 10-pedestal; 11-upward pins; 12-following pin; 13-female thread; 14-convexity; 15-suspension ring; 16-flexure strip; 17-infusion vessel; 18-medicament reservoir.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment this utility model is done to describe in further detail.
Fig. 1 is for the structural representation of the dosing appearance of band crosspointer, and is as shown in the figure.The dosing appearance of band crosspointer comprises crosspointer 1, interior cover 2 and overcoat 3.
Wherein, The both ends open (as shown in Figure 2) of interior cover 2; The cross section of inboard wall of interior cover 2 is provided with crosspointer resilient supporting unit 4, and the axis direction of cover 2 is provided with a through hole 5 in crosspointer resilient supporting unit 4 upper edges, and the outer wall of interior cover 2 is provided with two rows along the circumferential seam 6,7 that is provided with.In cover 2 when vertically placing, the Reference numeral of going up a seam most is 6, the Reference numeral of next seam is 7.
The structure of overcoat is as shown in Figure 3; The one end sealing of overcoat 3; Blind end is provided with an openable seal cover; The inwall of its external sleeve 3 is provided with at least one row along circumferentially being provided with and being sealed and matched with seam 6,7 on the interior cover 2 that (in the present embodiment, the inwall of its external sleeve 3 is provided with two rows along the seam ring 8,9 that circumferentially is provided with and is sealed and matched and uses with seam 6,7 on the interior cover 2, when overcoat is vertically placed for the seam ring that uses; The Reference numeral of going up most a seam ring is 8, and the Reference numeral of the most next seam ring is 9).Two rows both can on the outer wall of interior cover 2, be provided with along the seam 6,7 that circumferentially is provided with; The seam ring that seam 6,7 on one row and the interior cover 2 is sealed and matched and uses is set on the inwall of its external sleeve 3; The downward pushing in back overcoat 3 on the cover 2 in its external sleeve 3 is enclosed within; In seam ring on the overcoat 3 is pushed into cover on 2 go up in the seam 6 most the time, close the seal cover on the suspension ring 15, make medicament reservoir be in sealing state; When mixing medicine, the opening encapsulation lid, the seam ring with overcoat 3 is pushed in the most next seam 7 on the interior cover 2 again, realizes mixing medicine.But the seam ring 8,9 that the seam 6,7 on two rows and the interior cover 2 is sealed and matched and uses is set on the inwall of its external sleeve 3 also; Push overcoat 3 downwards; In the most next seam ring 9 on the overcoat 3 is pushed into cover on 2 go up in the seam 6 most the time; Close the seal cover on the suspension ring 15, make medicament reservoir be in sealing state; When mixing medicine; Opening encapsulation lid, again with overcoat 3 be pushed on the overcoat 3 go up most a seam ring 8 be pushed on the cover 2 go up in the seam 6 most the time, at this moment; The most next seam ring 9 on the overcoat 3 is positioned at the most next seam 7 on the cover 2; And the supporting structure of overcoat 3 and interior cover 2 is in the two-stage stationary state, and is more stable, firmly.Certainly; Be equal to replacement as present embodiment a kind of; Also but the inwall of its external sleeve 3 is provided with two rows along the seam ring 8,9 that circumferentially is provided with; And the seam that the seam ring 8,9 on the inwall that is provided with a row or two rows and overcoat 3 on the outer wall of interior cover 2 is sealed and matched, sealing and the mixed drug effect fruit that can realize whole process equally.
The structure of crosspointer resilient supporting unit 4 can adopt structure as shown in Figure 6; The convexity 14 of a plurality of sawtooth pattern structures of the inner wall even distribution of crosspointer resilient supporting unit 4; When the pedestal 10 of crosspointer 1 is stuck in the through hole 5 of crosspointer resilient supporting unit 4; When in a single day pedestal 10 receives downward pressure, have better elastic because of protruding 14, boss just can concave and push in the position; The indent position is that the boss of pressurized provides the space that is squeezed, and makes pedestal 10 under stress, pass the through hole 5 of crosspointer resilient supporting unit 4 more easily.
Certainly, the structure of crosspointer resilient supporting unit 4 also is not limited to said structure, also can adopt structure as shown in Figure 7.Several flexure strips 16 that are uniformly distributed with setting on the inwall circumference of crosspointer resilient supporting unit 4 by interior cover 2 are formed, and several flexure strips 16 form through hole 5 on the axis of interior cover 2.The pedestal 10 of crosspointer 1 is stuck in the through hole 5, and in a single day pedestal 10 receives downward pressure, flexure strip 16 downwarpings, and through hole 5 increases, and pedestal 10 can pass the through hole after this increase equally.
In the present embodiment; In a cover end of 2 be the link (being the lower end shown in the figure) with the interface seam of infusion vessel 17; The other end be overcoat 3 be inserted in end (shown in the figure for upper end), the inwall of link is provided with female thread 13, during thermal weld; Cover 2 was more firm with infusion vessel 17 seam in the female thread 13 of interior cover 2 can guarantee, the sealing effectiveness of interior cover 2 and infusion vessel 17 is better.
But seal cover is provided with the suspension ring 15 of opening encapsulation lid, just can a layback of seal cover be opened with finger pull suspension ring 15, the opening encapsulation lid; And can be suspended on the bracing frame with the dosing appearance and with the infusion vessel 17 that the dosing appearance connects through these suspension ring 15.
When using the dosing appearance of this band crosspointer, under aseptic condition, as shown in Figure 8; Only need female end with interior cover 2 be enclosed within on the interface of infusion vessel 17 and seam; Medicament reservoir 18 is positioned in the interior cover 2, makes the sealing-plug of the last pin 11 aligning medicament reservoirs of crosspointer 1, the overcoat 3 with the opening encapsulation lid is enclosed within interior overlapping on 2 then; The outer wall of row's seam ring 8,9 of two on the inwall of overcoat 3 and interior cover 2 forms hermetic seal; Downward pushing overcoat 3, in the most next seam ring 9 on the overcoat 3 is pushed on the cover 2 go up in the seam 6 most the time, the close encapsulation lid; Making medicament reservoir 18 be in sealing state sealing device this moment inner is gnotobasis, and overcoat 3 can't continue to promote forward; When transfusion mixes medicine; Pulling suspension ring 15 opening encapsulations lid; Make sealing device moment be communicated with atmosphere, thereby could further the seam ring 8 of going up most on the overcoat 3 be pushed into going up most in the seam 6 on the interior cover 2, in the time of in the most next seam 7 in the most next seam ring 9 on the overcoat 3 is pushed on the cover 2; The pedestal 10 of crosspointer passes the through hole 5 of crosspointer resilient supporting unit 4; Last pin 11 penetrates the sealing-plug of medicament reservoir 18, and following pin 12 penetrates the sealing-plug of infusion vessel 17, and extruding infusion vessel 17 just can be with the medicament mixed in solution in the infusion vessel 17 and the medicament reservoir 18.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation this utility model; Although with reference to preferred embodiment this utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of this utility model; And not breaking away from the aim and the scope of this utility model technical scheme, it all should be encompassed in the middle of the claim scope of this utility model.
Claims (7)
1. the dosing appearance with crosspointer is characterized in that, comprising:
Interior cover (2); The both ends open of cover (2) in said; The cross section of inboard wall of interior cover (2) is provided with crosspointer resilient supporting unit (4); The axis direction of cover (2) is provided with a through hole (5) in said crosspointer resilient supporting unit (4) upper edge, and the outer wall of said interior cover (2) is provided with the circumferentially seam (6,7) of setting of two row edges;
The overcoat that puts in can being enclosed within (3); The one end sealing of said overcoat (3); Blind end is provided with an openable seal cover, and the inwall of its external sleeve (3) is provided with at least one row along the seam ring that circumferentially is provided with and is sealed and matched and uses with seam (6,7) on the interior cover (2); And
Crosspointer (1), said crosspointer (1) comprise the last pin (11) and the following pin (12) of pedestal (10) and hollow structure; Said upward pin (11) and following pin (12) are separately positioned on the above and below of pedestal (10), and needle point is outside, and the inner chamber of the inner chamber of last pin (11) and following pin (12) communicates; Said down pin (12) passes through hole (5), and the pedestal (10) of crosspointer (1) is stuck in the through hole (5), and it is corresponding with the blind end of overcoat (3) that overcoat (3) was enclosed within on interior cover (2) when lasting pin (11).
2. the dosing appearance of band crosspointer according to claim 1 is characterized in that: in said an end of cover (2) for the link of the interface seam of infusion vessel, the other end is the end that is inserted in of overcoat (3); The inwall of said link is provided with female thread (13).
3. the dosing appearance of band crosspointer according to claim 1 is characterized in that: the convexity (14) of a plurality of sawtooth pattern structures of inner wall even distribution of said crosspointer resilient supporting unit (4).
4. the dosing appearance of band crosspointer according to claim 1; It is characterized in that: several flexure strips (16) that are uniformly distributed with setting on the inwall circumference of said crosspointer resilient supporting unit (4) by interior cover (2) are formed, and several flexure strips (16) form through hole (5) on the axis of interior cover (2).
5. the dosing appearance of band crosspointer according to claim 1 is characterized in that: but said seal cover is provided with the suspension ring (15) of opening encapsulation lid.
6. the dosing appearance of band crosspointer according to claim 1 is characterized in that: it is characterized in that: the outer wall of said pedestal (10) is uniformly distributed with the convexity of a plurality of sawtooth pattern structures.
7. according to the dosing appearance of the described band crosspointer of each claim in the claim 1 to 6, it is characterized in that: the inwall of its external sleeve (3) is provided with two rows along the seam ring (8,9) that circumferentially is provided with and is sealed and matched and uses with seam (6,7) on the interior cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203438433U CN202207357U (en) | 2011-09-14 | 2011-09-14 | Dosing instrument with double needles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203438433U CN202207357U (en) | 2011-09-14 | 2011-09-14 | Dosing instrument with double needles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202207357U true CN202207357U (en) | 2012-05-02 |
Family
ID=45986914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203438433U Withdrawn - After Issue CN202207357U (en) | 2011-09-14 | 2011-09-14 | Dosing instrument with double needles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202207357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266597A (en) * | 2011-09-14 | 2011-12-07 | 重庆莱美药业股份有限公司 | Medicament feeder with double needles |
-
2011
- 2011-09-14 CN CN2011203438433U patent/CN202207357U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266597A (en) * | 2011-09-14 | 2011-12-07 | 重庆莱美药业股份有限公司 | Medicament feeder with double needles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Kangyuan Pharmacy Co., Ltd. Assignor: Chongqing Lummy Pharmaceutical Co., Ltd. Contract record no.: 2012430000160 Denomination of utility model: Dosing instrument with double needles Granted publication date: 20120502 License type: Common License Record date: 20120727 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120502 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |