CN215134867U

CN215134867U - Bottle stopper puncture structure for disposable infusion set

Info

Publication number: CN215134867U
Application number: CN202120511271.9U
Authority: CN
Inventors: 曹思淼
Original assignee: Beijing Youan Hospital
Current assignee: Beijing Youan Hospital
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-12-14
Anticipated expiration: 2031-03-11

Abstract

The utility model belongs to the technical field of medical appliances, especially, be a disposable bottle plug puncture structure for transfusion system, including the needle file, needle file central point puts the fixed through connection of fixed have pjncture needle, and the liquid medicine discharge hole has been seted up to pjncture needle lateral surface symmetry, and needle file outside surface cover scarf joint has fixed jack catch structure, and needle file outside surface is equipped with the inlet port, and needle file top fixedly connected with filters the funnel, crosses the inside filtration membrane that is equipped with of funnel. The utility model has the advantages that: through being equipped with the top and for sealed pinpoint type structure and lateral surface symmetry set up the pjncture needle of liquid medicine outflow hole, the liquid medicine outflow hole of seting up through the pjncture needle lateral surface on the one hand, can be as far as possible with the whole outflow of the liquid medicine in the medicine bottle, avoid the extravagant phenomenon of liquid medicine, on the other hand is through establishing the pjncture needle top into sealed pinpoint type structure, and liquid medicine outflow hole side is interior circular structure, avoids producing the rubber particle at puncture rubber bottle plug in-process, causes the unnecessary injury for the patient.

Description

Bottle stopper puncture structure for disposable infusion set

Technical Field

The utility model belongs to the technical field of medical appliances, concretely relates to disposable bottle plug puncture structure for infusion set.

Background

A disposable infusion set is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic treatment and is used for intravenous infusion. Under the action of atmospheric pressure, the liquid in the bottle flows into the dropping funnel along the thin infusion hose, and when the pressure of the water column of the dropping funnel is greater than the venous pressure, the liquid in the bottle flows into the vein along the hose. The bottle stopper puncture structure is the most important puncture needle of top open-ended, this kind of structure can produce certain rubber granule at puncture bottle stopper in-process, at last time at the infusion simultaneously, remaining about 5 milliliters's liquid medicine can't be exported in the medicine bottle, there is certain extravagant phenomenon, can't satisfy the user demand, current bottle stopper puncture structure does not be equipped with solid structure of card simultaneously, thereby make the infusion in-process probably take place the unexpected phenomenon of droing of pjncture needle from the medicine bottle.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a bottle stopper puncture structure for a disposable infusion set.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a disposable is bottle plug puncture structure for transfusion system, includes the needle file, needle file central point puts fixed through connection and has the pjncture needle, the liquid medicine discharge orifice has been seted up to pjncture needle lateral surface symmetry, needle file outside surface cover is connected with fixed jack catch structure, needle file outside surface is equipped with the inlet port, the inlet port is located fixed jack catch structure below, inlet port sealing connection in the pjncture needle, inlet port outer end sealing connection has the intake pipe, intake pipe end position fixedly connected with filtration head, needle file top fixedly connected with filters the funnel, cross the inside filtration membrane that is equipped with of funnel, filter the funnel bottom and connect the infusion hose in disposable transfusion system.

Preferably, fixed jack catch structure includes slip ring, connecting plate and jack catch, slip ring cover embedded connection in the needle file outside surface, the quantity of connecting plate is two, two the connecting plate all has certain toughness, two connecting plate symmetry fixed connection in the slip ring top, connecting plate top fixedly connected with jack catch, the jack catch with the connecting plate is the integrated into one piece structure.

Preferably, the outer side surface of the needle seat is symmetrically provided with a placing groove, and the placing groove is matched with the claw position structure.

Preferably, the top of the outer side surface of the needle seat is fixedly connected with limiting baffles in a front-back symmetrical mode.

Preferably, the top end of the puncture needle is of a sealed needle point type structure, and the side edge of the liquid medicine outflow hole is of an inner arc structure.

Preferably, the filtering membrane is a polyether sulfone membrane, and the pore size of the filtering membrane is less than 5 microns.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being equipped with the top and for sealed pinpoint type structure and lateral surface symmetry set up the pjncture needle of liquid medicine outflow hole, make this kind of bottle plug puncture structure for disposable infusion set in the use, the liquid medicine outflow hole of seting up through the pjncture needle lateral surface on the one hand, can be as far as possible with the whole outflow of the liquid medicine in the medicine bottle, avoid the extravagant phenomenon of liquid medicine, on the other hand is through establishing the pjncture needle top into sealed pinpoint type structure, and liquid medicine outflow hole side is interior circular structure, avoid producing the rubber particle at puncture rubber bottle plug in-process, cause the unnecessary injury for the patient.

2. The fixed claw structure is connected to the outer side surface of the needle seat in an embedded mode, so that the needle seat and the medicine bottle can be connected in an embedded mode through the fixed claw structure in the using process, and the phenomenon that a puncture needle accidentally drops from the medicine bottle in the infusion process of a patient is avoided.

3. Through filtering the funnel at needle file top fixedly connected with, and cross the inside filtration membrane that is equipped with of funnel, make this kind of disposable infusion set with bottle plug puncture structure in the use, large granule material in the liquid medicine can be filtered to very big degree, the reaction of infusing less takes place, lets the infusion safer.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of the middle fixing jaw structure of the present invention;

fig. 5 is a schematic structural view of the middle puncture needle of the present invention.

In the figure: 1. a needle seat; 2. puncturing needle; 3. a liquid medicine outflow hole; 4. an air inlet; 5. an air inlet pipe; 6. an air filter head; 7. filtering the mixture by a funnel; 8. a filtration membrane; 9. a slip ring; 10. a connecting plate; 11. a claw; 12. a placement groove; 13. and a limiting baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a disposable bottle plug puncture structure for transfusion system, including

needle file

1, 1 central point of needle file puts fixed through connection and has pjncture needle 2, the liquid medicine discharge opening 3 has been seted up to 2 lateral surfaces of pjncture needle symmetry, 1 outside surface cover of needle file is connected with fixed jack catch structure, 1 outside surface of needle file is equipped with inlet port 4, inlet port 4 is located fixed jack catch structure below, inlet port 4 sealing connection is in pjncture needle 2, 4 outer end sealing connection of inlet port has

intake pipe

5, 5 end position fixedly connected with filtration head 6 of intake pipe, 1 top fixedly connected with of needle file filters funnel 7, cross the inside filtration membrane 8 that is equipped with of funnel, filter funnel 7 bottoms of 7 connections of funnel infusion hose in disposable transfusion system.

Specifically, the fixed jaw structure comprises a sliding ring 9, two connecting plates 10 and jaws 11, wherein the sliding ring 9 is connected to the outer side surface of the needle base 1 in an embedded manner, the two connecting plates 10 are both of certain toughness, the two connecting plates 10 are symmetrically and fixedly connected to the top of the sliding ring 9, the jaws 11 are fixedly connected to the top of the connecting plates 10, and the jaws 11 and the connecting plates 10 are of an integrally formed structure; be connected with fixed jack catch structure through 1 outside surface cover of needle file inlay, make this kind of disposable infusion set bottle plug puncture structure can be connected needle file 1 and medicine bottle inlay card through fixed jack catch structure in the use, avoid the patient to take place pjncture needle 2 in infusion process and follow the unexpected phenomenon that drops on the medicine bottle, during the specific use, after inserting pjncture needle 2 the bottle plug, upwards push away slip ring 9 to the bottle plug bottom, slightly outwards bend connecting plate 10, upwards promote slip ring 9 once more, it can to the department of the internal arc of medicine bottle mouth to jack catch 11 calliper.

Specifically, the outer side surface of the needle seat 1 is symmetrically provided with a placing groove 12, and the placing groove 12 is matched with the position structure of the clamping jaw 11; the use requirement is met.

Specifically, the top position of the outer side surface of the needle seat 1 is fixedly connected with a limiting baffle 13 in a front-back symmetrical mode; the sliding ring 9 is prevented from being separated from the outer side surface of the needle seat 1 by arranging the limit baffle 13.

Specifically, the top end of the puncture needle 2 is of a sealed needle point type structure, and the side edge of the liquid medicine outflow hole 3 is of an inner circular arc structure; further reduce the production of rubber granule in the puncture bottle plug process, satisfy the user demand.

Specifically, the filtering membrane 8 is a polyether sulfone membrane, and the aperture of the filtering membrane 8 is smaller than 5 microns; the pore diameter of the polyethersulfone membrane filter is less than 5 microns, and the pore diameter can not be changed in the filtering process, thereby greatly improving the interception capability of particles, reducing the occurrence of infusion reaction and ensuring that the infusion is safer.

The utility model discloses a theory of operation and use flow: firstly, the puncture needle 2 penetrates into a bottle stopper of a medicine bottle, the top end of the puncture needle 2 is set to be a sealed needle point type structure, the side edge of a medicine liquid outflow hole 3 is of an inner circular arc structure, the generation of rubber particles in the process of puncturing the bottle stopper is further reduced, the use requirement is met, the medicine liquid in the medicine bottle flows downwards through the medicine liquid outflow hole 3 formed in the outer side surface of the puncture needle 2, the medicine liquid outflow hole 3 can enable the medicine liquid in the medicine bottle to flow out completely as far as possible, the medicine liquid waste phenomenon is avoided, a sliding ring 9 is pushed upwards to the bottom of the bottle stopper, a connecting plate 10 is slightly bent outwards, the sliding ring 9 is pushed upwards again until a clamping jaw 11 clamps reach the inner arc part of the medicine bottle, the phenomenon that the puncture needle 2 accidentally drops from the medicine bottle in the transfusion process of a patient is avoided, the medicine liquid flows into a filtering membrane 8 in a filtering funnel 7 through the puncture needle 2 at last, and the filtering membrane 8 can filter large-particle substances in the medicine liquid to a great extent, less transfusion reaction and safer transfusion.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A bottle stopper puncturing structure for a disposable infusion set, which comprises a needle base (1) and is characterized in that, the center of the needle seat (1) is fixedly connected with a puncture needle (2) in a penetrating way, the outer side surface of the puncture needle (2) is symmetrically provided with liquid medicine outflow holes (3), the outer side surface of the needle base (1) is connected with a fixed claw structure in a sleeved and embedded manner, the outer side surface of the needle base (1) is provided with an air inlet hole (4), the air inlet hole (4) is positioned below the fixed jaw structure, the air inlet hole (4) is connected with the puncture needle (2) in a sealing way, the outer end of the air inlet hole (4) is hermetically connected with an air inlet pipe (5), the end position of the air inlet pipe (5) is fixedly connected with an air filter head (6), needle file (1) top fixedly connected with filters funnel (7), filter funnel inside is equipped with filtration membrane (8), filter funnel (7) bottom is connected in the infusion hose in disposable transfusion system.

2. The stopper piercing structure for a disposable infusion set according to claim 1, wherein: fixed jack catch structure includes slip ring (9), connecting plate (10) and jack catch (11), slip ring (9) cover inlay connect in needle file (1) outside surface, the quantity of connecting plate (10) is two, two connecting plate (10) are certain toughness, two connecting plate (10) symmetry fixed connection in slip ring (9) top, connecting plate (10) top fixedly connected with jack catch (11), jack catch (11) with connecting plate (10) are the integrated into one piece structure.

3. The stopper piercing structure for a disposable infusion set according to claim 2, wherein: the outer side surface of the needle seat (1) is symmetrically provided with a placing groove (12), and the placing groove (12) is matched with the claw (11) in position structure.

4. The stopper piercing structure for a disposable infusion set according to claim 1, wherein: the top of the outer side surface of the needle seat (1) is fixedly connected with limiting baffles (13) in a front-back symmetrical mode.

5. The stopper piercing structure for a disposable infusion set according to claim 1, wherein: the top end of the puncture needle (2) is of a sealed needle point type structure, and the side of the liquid medicine outflow hole (3) is of an inner arc structure.

6. The stopper piercing structure for a disposable infusion set according to claim 1, wherein: the filtering membrane (8) is a polyether sulfone membrane, and the aperture of the filtering membrane (8) is smaller than 5 micrometers.