CN202207302U

CN202207302U - Soft bag with positioning and pushing device

Info

Publication number: CN202207302U
Application number: CN201120343840XU
Authority: CN
Inventors: 邱宇; 李科; 赵柳英; 张昱; 周兵; 王英; 赵斌
Original assignee: Chongqing Lummy Pharmaceutical Co Ltd
Current assignee: Chongqing Lummy Pharmaceutical Co Ltd
Priority date: 2011-09-14
Filing date: 2011-09-14
Publication date: 2012-05-02
Anticipated expiration: 2021-09-14

Abstract

The utility model discloses a soft bag with a positioning and pushing device. The soft bag comprises an inner sleeve, an outer sleeve, double needles and a soft bag body; one end of the inner sleeve is welded on the interface of the soft bag body; an elastic support device of the double needles is arranged on the cross section of the inner wall, and two clamping grooves are longitudinally formed on the upper edge of the outer wall; the double needles comprise a base, an upper needle and a lower needle; the base is clamped in the through hole of the elastic support device of the double needles; at least two stages of positioning cards are arranged on the outer wall of the inner sleeve; and the outer sleeve is in slide fit with the inner sleeve in a longitudinal single degree of freedom manner, and the sliding tracks of the clamping grooves correspond to the positioning cards. The soft bag only comprises the inner sleeve, the outer sleeve, the double needles and the soft bag body, thereby having a simple structure and low cost; the outer wall is pushed to drive the upper and the lower needles to puncture the sealing glands on a medicine container and the soft bag body so as to achieve the purpose that the medicine container and the soft bag body are communicated, and the operation is simple and convenient; and the double needles are positioned outside the soft bag body and can not be contracted with solution before the medicine mixture is realized, so that the solution in the soft bag body is prevented from being polluted.

Description

The soft bag of band location thrust unit

Technical field

This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of soft bag with the location thrust unit.

Background technology

In order the medicine in the medicament reservoir to be added in the solution in the soft bag, then mixed solution is imported such as the patient in the clinical mechanism of hospital.In the prior art, normal employing is connected with the container that solution is housed such as the container that double ended meedle will be equipped with dissolved substance.This double ended meedle is 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 sealing-plug of medicament reservoir and use another needle point of cavity pin to pass soft bag sealing-plug continuously, so that soft bag is connected with medicament reservoir.

Use the soft bag of the band double ended meedle of said structure, mainly rely on operator the sealing-plug of medicament reservoir or the sealing-plug of soft bag to be passed in the two ends of cavity pin, can't realize that therefore this cavity pin is connected soft bag with medicament reservoir under aseptic condition with hands.

In order to solve the deficiency of above-mentioned existence; Chinese patent document CN101242800 discloses a kind of " integrated infusion container "; Comprise: infusion vessel (being soft bag); Infusion vessel (being soft bag) 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, 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 provide a kind of simple in structure, cost is lower, and is and easy to operate, the soft bag of the band location thrust unit of avoiding solution is polluted.

In order to solve the problems of the technologies described above, this utility model has adopted following technical scheme: the soft bag of band location thrust unit comprises interior cover, overcoat, crosspointer and soft bag bag;

One end of said soft bag bag has the interface that is connected with interior cover, and another end has the transfusion end that is connected with tube for transfusion;

The both ends open of cover in said, an end seam of interior cover is on interface; The cross section of inboard wall of interior cover is provided with the crosspointer resilient supporting unit, and the axis direction of cover is provided with a through hole in the said crosspointer resilient supporting unit upper edge, is provided with two-stage locator card at least along the longitudinal direction on the outer wall of said interior cover;

Said crosspointer comprises the last pin and following pin of pedestal and hollow structure; Pedestal is stuck in the through hole; 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;

The sealing of one end of said overcoat, the inwall of its external sleeve are provided with at least one-level and are used the draw-in groove that plays the role of positioning with the interior locator card that puts; Put in said overcoat is enclosed within and be slidingly matched with the vertical single-degree-of-freedom of the outer wall of interior cover, the sliding trace of draw-in groove is corresponding with locator card, and last pin is corresponding with the blind end of overcoat.

A kind of preferred version as this utility model also comprises sealing bag, and said interior cover, overcoat, crosspointer and soft bag bag are positioned at sealing bag.

As the another kind of preferred version of this utility model, its longitudinal direction of inwall upper edge of its external sleeve is provided with at least two-stage and is used the draw-in groove that plays the role of positioning with the interior two-stage locator card that puts.

As another preferred version of this utility model, the locator card that puts in said increases progressively on the pushing direction of the height of projection its external sleeve on the interior cover cross section step by step.

As a kind of improvement project of this utility model, be provided with gathering sill on the inwall of said overcoat along the longitudinal direction, the said outer draw-in groove that puts is arranged in the gathering sill; When putting in overcoat is enclosed within, the locator card on the outer wall of inside race is positioned at gathering sill.

As another improvement project 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 the further improvement project of 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, the blind end of said overcoat is provided with suspension ring.

The soft bag of the band location thrust unit that this utility model provides compared with prior art, has following advantage:

1, this soft bag only is made up of interior cover, overcoat, crosspointer and soft bag bag, and is simple in structure, cost is lower.

Only need promote overcoat when 2, operating, the last pin that just can drive crosspointer pierces through the seal cover on medicament reservoir and the soft bag bag respectively with following pin, realizes being communicated with in the medicament reservoir and in soft bag of bag, and is simple, convenient.

3, crosspointer is positioned at outside the soft bag bag, before realizing mixing medicine, does not contact with solution, avoids the intravital solution of soft bag bag is polluted.

Description of drawings

Fig. 1 is the structural representation of the soft bag of band location thrust unit;

Fig. 2 is the structural representation of drug feeding device;

Fig. 3 is the structural representation of interior cover;

Fig. 4 is a kind of structural representation of crosspointer;

Fig. 5 is the another kind of structural representation of crosspointer;

Fig. 6 is the structural representation of overcoat.

In the accompanying drawing: 1-interior cover; 2-overcoat; 3-crosspointer resilient supporting unit; 4-through hole; 5-draw-in groove; 6-draw-in groove; 7-gathering sill; 8-female thread; 9-suspension ring; 10-locator card; 11-locator card; 12-crosspointer; 13-pedestal; 14-upward pins; 15-following pin; 16-convexity; 17-soft bag bag; 18-interface; 19-transfusion end; 20-sealing bag; 21-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 soft bag of band location thrust unit, and is as shown in the figure.Cover 1, overcoat 2, crosspointer 12, soft bag bag 17 and sealing bag 20 in the soft bag of band location thrust unit comprises, interior cover 1, overcoat 2, crosspointer 12 and soft bag bag 17 are encapsulated in the sealing bag 20, and are in the sterile sealing state, take sealing bag 20 during use again apart.One end of soft bag bag 17 has the interface 18 that is connected with interior cover 1, and another end has the transfusion end 19 that is connected with tube for transfusion, is the solution that makes up a prescription in the bag.In cover 1, overcoat 2 and crosspointer 12 form drug feeding devices, the structure of drug feeding device is as shown in Figure 2.

Wherein, the structure of interior cover is as shown in Figure 3, the both ends open of interior cover 1; One end seam of interior cover 1 is on interface 18, and the cross section of inboard wall of interior cover 1 is provided with crosspointer resilient supporting unit 3, and the axis direction of cover 1 is provided with a through hole 4 in crosspointer resilient supporting unit 3 upper edges; In be provided with at least the two-stage locator card on cover 1 the outer wall along the longitudinal direction (in the present embodiment; In cover 1 when vertically placing, the Reference numeral of upper level locator card is 10, the Reference numeral of next stage locator card is 11); Two locating pieces (only drawn in the accompanying drawing two, and be symmetrically distributed on the circumference of outer wall of inside race) in every grade of locator card is at least and is distributed on the cover 1 outer wall circumference.

Crosspointer 12 comprises the last pin 14 and following pin 15 of pedestal 13 and hollow structure, and is as shown in Figure 4.Pedestal 13 is stuck in the through hole 4; Last pin 14 and following pin 15 are separately positioned on the above and below of pedestal 13, and needle point is outside, and the inner chamber of the inner chamber of last pin 14 and following pin 15 communicates.

The structure of overcoat is as shown in Figure 6, the sealing of an end of overcoat 2, and the inwall of its external sleeve 2 is provided with one-level at least and is used the draw-in groove that plays the role of positioning with locator card on the interior cover 1.Be slidingly matched on the cover 1 and with the vertical single-degree-of-freedom of the outer wall of interior cover 1 in overcoat 2 is enclosed within, the sliding trace of draw-in groove is corresponding with locator card, and last pin 14 is corresponding with the blind end of overcoat 2.

In the present embodiment; Its longitudinal direction of inwall upper edge of its external sleeve 2 is provided with two-stage and is used the draw-in

groove

5,6 that plays the role of positioning with two-

stage locator card

10,11 on the interior cover 1; When overcoat 2 was vertically placed, the Reference numeral of upper level draw-in groove was 5, and the Reference numeral of next stage draw-in groove is 6.Longitudinally be provided with gathering sill 7 (in the accompanying drawing, only the inwall lateral symmetry of its external sleeve 2 is provided with two gathering sills 7) on the inwall of overcoat 2, the two-stage draw-in

groove

5,6 on the overcoat 2 is arranged in the gathering sill 7.Medicament reservoir 21 is put into cover 1, make the sealing-plug of the last tip alignment medicament reservoir of crosspointer 12, overlapped for 1 last time in overcoat 2 being enclosed within again, the locator card in making on the outer wall of cover 1 is positioned at gathering sill 7.Both but the inwall of its external sleeve 2 was provided with two-stage draw-in

groove

5,6; Draw-in

groove

5,6 being provided with on the outer wall of interior cover 1 on one-level and the overcoat 2 is used the locator card that plays the role of positioning; The downward pushing overcoat 2 in back on the cover 1 in its external sleeve 2 is enclosed within, the gathering sill 7 on the overcoat 2 just the locator card on the interior cover 1 to lower slider, when the locator card in being pushed on the cover 1 is positioned at the next stage draw-in groove 6 on the overcoat 2; At this moment, the last pin of crosspointer 12 does not pierce through medicament reservoir and the intravital sealing-plug of soft bag bag with following pin; When transfusion mixes medicine, promote overcoat 2, the locator card in making on the cover 1 is positioned at the upper level draw-in groove 5 on the overcoat 2, at this moment, and the last pin of crosspointer 12 and following needle-penetration medicament reservoir and soft bag of bag intravital sealing-plug.Also can be used the

locator card

10,11 that plays the role of positioning at the two-stage draw-in

groove

5,6 that is provided with on the outer wall of interior cover 1 on two-stage and the overcoat 2; Push overcoat 2 downwards; In the upper level locator card 10 of cover on 1 when being positioned at the next stage draw-in groove 6 on the overcoat 2; At this moment, the last pin of crosspointer 12 does not pierce through medicament reservoir and the intravital sealing-plug of soft bag bag with following pin; When transfusion mixes medicine; The upper level locator card 10 of cover on 1 gets in the upper level draw-in groove 5 on the overcoats 2 in overcoat 2 being pushed into again; In the next stage locator card 11 of cover on 1 when being positioned at the next stage draw-in groove 6 on the overcoat 2; At this moment, the last pin of crosspointer 12 and following needle-penetration medicament reservoir and the intravital sealing-plug of soft bag bag.Certainly; Be equal to replacement as present embodiment a kind of; Also can be provided with two-stage draw-in groove at least, and the draw-in groove that the inwall of its external sleeve 2 is provided with on the outer wall of one-level or two-stage and interior cover 1 is used the locator card that plays the role of positioning at its longitudinal direction of the outer wall upper edge of interior cover 1.

The convexity 16 of a plurality of sawtooth pattern structures of the inner wall even distribution of crosspointer resilient supporting unit 3; When the pedestal 13 of crosspointer 12 is stuck in the through hole 4 of crosspointer resilient supporting unit 3; When in a single day pedestal 13 received downward pressure, protruding 16 had better elastic, and 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 13 under stress, pass the through hole 4 of crosspointer resilient supporting unit 3 more easily.

In the present embodiment, pedestal 13 is a cylinder, and the pedestal 13 of cylindrical structure more helps being stuck in the endoporus of crosspointer resilient supporting unit 3.Certainly; The structure of pedestal 13 also is not limited to the structure of Fig. 4, also can adopt the structure of Fig. 5, and the outer wall of pedestal 13 is uniformly distributed with the convexity of a plurality of sawtooth pattern structures; During use; The pedestal 13 of sawtooth pattern structure is stuck in the endoporus 4 of crosspointer resilient supporting unit 3, and tightly engagement between the rough protrusion that is uniformly distributed with on this inner hole wall, can pedestal 13 be stuck on the crosspointer resilient supporting unit 3 equally.

In the present embodiment, said in the locator card of cover on 1 on the pushing direction of the height of projection its external sleeve 2 on the interior cover cross section, increase progressively step by step, can weaken overcoat 2 effectively and overlap the resistance that the locator card on 1 withdraws from pushing course from the draw-in groove of overcoat 2.In a cover end of 1 be the link (being the lower end shown in the figure) with the interface seam of soft bag bag, the other end be overcoat 2 be inserted in end (being the upper end shown in the figure); The inwall of link is provided with female thread 8.During thermal weld, cover 1 was more firm with the seam of soft bag bag in the female thread 8 of interior cover 1 can guarantee, interior cover 1 is better with the sealing effectiveness of soft bag bag.

The blind end of overcoat 2 is provided with suspension ring 9, can be with being located drug feeding device that thrust unit forms by this and being suspended on the bracing frame with the soft bag bag 17 that drug feeding device connects through these suspension ring 9.

When using the soft bag of this band location thrust unit, first under aseptic condition medicament reservoir 21 is put into the cover 1 that is connected with infusion vessel, make the sealing-plug of the last tip alignment medicament reservoir of crosspointer 12; On the cover 1, the locator card in making on the outer wall of cover 1 is positioned at gathering sill 7, pushes overcoat 2 downwards in overcoat 2 being enclosed within again; In the upper level locator card 10 of cover on 1 when being pushed in the next stage draw-in groove 6 on the overcoat 2; At this moment, the last pin 14 and the following pin 15 of crosspointer 12 do not pierce through the sealing-plug in medicament reservoir 21 and the soft bag bag 17, but fixed the position of medicament reservoir in interior cover; Will be with sealing bag 20 with the soft bag hermetic package of location thrust unit; Evacuation, this moment, band location thrust unit was in sealing state, and can't promote.When transfusion mixes medicine; Take sealing bag 20 apart, the upper level locator card 10 on the interior cover 1 is pushed in the upper level draw-in groove 5 on the overcoat 2, when the next stage locator card 11 on the interior cover 1 is positioned at the next stage draw-in groove 6 on the overcoat 2; The pedestal 13 of crosspointer 12 passes the through hole 4 of crosspointer resilient supporting unit 3; The last pin 14 of crosspointer 12 penetrates the sealing-plug on the medicament reservoir 21, and the following pin 15 of crosspointer 12 penetrates the sealing-plug on the soft bag bag 17, realizes medicament reservoir 21 and soft 17 interior connections of bag bag.

When using the soft bag of this band location thrust unit; Also can adopt following another kind of embodiment: under aseptic condition, earlier medicament reservoir 21 is put into the cover 1 that is connected with infusion vessel; Make the sealing-plug of the last tip alignment medicament reservoir of crosspointer 12, on the cover 1, the locator card in making on the outer wall of cover 1 is positioned at gathering sill 7 in overcoat 2 being enclosed within again; Push overcoat 2 downwards; In the upper level locator card 10 of cover on 1 when being pushed in the next stage draw-in groove 6 on the overcoat 2, at this moment, the last pin 14 and the play pin 15 of crosspointer 12 do not pierce through the interior sealing-plug of medicament reservoir 21 and soft bag of bag 17; But fixed the position of medicament reservoir in interior cover, will be with sealing bag 20 with the soft bag hermetic package of location thrust unit.When transfusion mixes medicine; Upper level locator card 10 on the interior cover 1 is pushed in the upper level draw-in groove 5 on the overcoat 2, and when the next stage locator card 11 on the interior cover 1 was positioned at the next stage draw-in groove 6 on the overcoat 2, the pedestal 13 of crosspointer 12 passed the through hole 4 of crosspointer resilient supporting unit 3; The last pin 14 of crosspointer 12 penetrates the sealing-plug on the medicament reservoir 21; The following pin 15 of crosspointer 12 penetrates the sealing-plug on the soft bag bag 17, realizes medicament reservoir 21 and soft 17 interior connections of bag bag, takes sealing bag 20 this moment again apart.

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

1. the soft bag of band location thrust unit is characterized in that: comprise interior cover (1), overcoat (2), crosspointer (12) and soft bag bag (17);

One end of said soft bag bag (17) has the interface (18) that is connected with interior cover (1), and another end has the transfusion end (19) that is connected with tube for transfusion;

The both ends open of cover (1) in said, an end seam of interior cover (1) is on interface (18); The cross section of inboard wall of interior cover (1) is provided with crosspointer resilient supporting unit (3); The axis direction of cover (1) is provided with a through hole (4) in said crosspointer resilient supporting unit (3) upper edge, is provided with two-stage locator card (10,11) at least along the longitudinal direction on the outer wall of said interior cover (1);

Said crosspointer (12) comprises the last pin (14) and the following pin (15) of pedestal (13) and hollow structure; Pedestal (13) is stuck in the through hole (4); Said upward pin (14) and following pin (15) are separately positioned on the above and below of pedestal (13), and needle point is outside, and the inner chamber of the inner chamber of last pin (14) and following pin (15) communicates;

The sealing of one end of said overcoat (2), the inwall of its external sleeve (2) are provided with one-level at least and are used the draw-in groove that plays the role of positioning with locator card on the interior cover (1); Said overcoat (2) is enclosed within that interior cover (1) is gone up and is slidingly matched with the vertical single-degree-of-freedom of outer wall of interior cover (1), and the sliding trace of draw-in groove is corresponding with locator card, and last pin (14) is corresponding with the blind end of overcoat (2).

2. the soft bag of band according to claim 1 location thrust unit is characterized in that: also comprise sealing bag (20), said interior cover (1), overcoat (2), crosspointer (12) and soft bag bag (17) are positioned at sealing bag (20).

3. the soft bag of band according to claim 1 and 2 location thrust unit is characterized in that: its longitudinal direction of inwall upper edge of its external sleeve (2) is provided with two-stage at least and is used the draw-in groove that plays the role of positioning with two-stage locator card (10,11) on the interior cover (1).

4. the soft bag of band according to claim 3 location thrust unit, it is characterized in that: the locator card in said on the cover (1) increases progressively on the pushing direction of the height of projection its external sleeve (2) on the interior cover cross section step by step.

5. the soft bag of band according to claim 4 location thrust unit, it is characterized in that: be provided with gathering sill (7) on the inwall of said overcoat (2) along the longitudinal direction, the draw-in groove on the said overcoat (2) is arranged in the gathering sill (7); Overcoat (2) is enclosed within interior cover (1) last time, and the locator card on interior cover (1) outer wall is positioned at gathering sill (7).

6. the soft bag of band according to claim 5 location thrust unit is characterized in that: the convexity (16) of a plurality of sawtooth pattern structures of inner wall even distribution of said crosspointer resilient supporting unit (3).

7. the soft bag of band according to claim 6 location thrust unit, it is characterized in that: the outer wall of said pedestal (13) is uniformly distributed with the convexity of a plurality of sawtooth pattern structures.

8. the soft bag of band according to claim 7 location thrust unit, it is characterized in that: the blind end of said overcoat (2) is provided with suspension ring (9).