CN205903486U - Infusion bag and applied this infusion bag's infusion assembly - Google Patents

Abstract

The utility model belongs to the field of medical apparatus, concretely relates to infusion bag and applied this infusion bag's infusion assembly. Infusion bag personally experiences sth. Part of the body including the bag, and the bottom department that personally experiences sth. Part of the body at the bag arranges the socket, the socket includes transfusion system socket and syringe socket, this infusion bag still includes water permeable membrane, and water permeable membrane is located cavity stock solution intracavity, and water permeable membrane arranges between the biggest inserted position of position and the relative socket of syringe needle that dodge in the space each other, it forms the medicament injection chamber that supplies syringe needle to insert and inject the medicament to enclose jointly between water permeable membrane, inner wall of the bag body and socket to close, it can effectively solve the influence of the fragment that separates of the infusion department of connecing to the process of infusing to promote its safety in utilization, reduce using medicine of disease and bear at heart. The utility model discloses an another purpose provides an infusion assembly who uses above -mentioned infusion bag for promote the simple operation nature of whole infusion flow, it includes the transfusion system plug, and transfusion system socket and transfusion system plug constitute screw -thread fit within a definite time.

Description

A kind of infusion bag and the infusion set applying this infusion bag

Technical field

The utility model belongs to medical apparatus field and in particular to a kind of infusion bag and the transfusion group applying this infusion bag Part.

Background technology

With the raising of scientific and technical development and medical level, infusion bag starts gradually to replace traditional glass transfusion Bottle, and be increasingly widely used in clinical transfusion.The concrete structure of infusion bag, including in set the bag of liquid storage cylinder, and Weld infusion connector at the bottom ports end of bag.Because infusion connector all carries the socket of medical flexible glue material, rely on during use Infusion device plug is forced to break socket, and relies on both frictional force can ensure the connectivity between transfusion device and infusion bag.Above-mentioned Infusion bag problem of existing when using has: first, such leans on the transfusion engagement formation of plug and frictional force by force, extremely easy because The situation such as drag by mistake and transfusion device obscission occurs.Meanwhile, along with the change in season and environment temperature, the soft or hard degree of socket Also can be otherwise varied, the plug difficulty of plug also can accordingly be lifted.Especially in clinical medical and nursing, medical personnel are often same When look after number in terms of ten or even more sufferer, each sufferer is required for according to circumstances carrying out transfusion changing bag in infusion process. Because of the too low and hardening socket of temperature, the often labour intensity even personal safety to medical personnel has a negative impact； Lead to medical personnel to refer to impression in portion and the situation of the wound that scratches is of common occurrence because exertin suddenly drags infusion connector.Second, transfusion The inlet of device plug is often positioned at tip, once infusion device plug breaks, socket is too deep, and infusion bag is interior to be also equipped with enough Medicament when, transfusion device just cannot continue to flow into liquid.It is and once infusion device plug insertion depth is excessively shallow, really permissible Liquid as far as possible in row's light infusion bag, but infusion device plug just there will naturally be problem relative to the cooperation fastness of socket. Third, each infuse front it is often necessary to medical personnel inject the medicament of corresponding illness in advance into infusion bag.Break in metal needle Open during socket it is also possible to bring the fragment that spigot is isolated by metal needle into.In as clear as crystal infusion bag, this fragment is light Then found by sufferer or family members, thus increasing its Medication psychology burden；Heavy then fragment can block transfusion device socket even into In transfusion device pipeline, the finally personal safety to sufferer has a negative impact.

Content of the invention

One of purpose of the present utility model is to provide a kind of rational in infrastructure and infusion bag of practicality, and it can effectively solving The impact to infusion process for the fragment that the transfusion place of connecing isolates, thus lifting its safety in utilization, the medication reducing sufferer is born at heart Load.Another purpose of the present utility model is then to provide a kind of infusion set applying above-mentioned infusion bag, entirely defeated in order to be lifted The simple operation of liquor stream journey, thus effectively reducing the labour intensity of medical personnel, and lifts its actual operating efficiency.

For achieving the above object, the utility model employs technical scheme below:

A kind of infusion bag, including soft bag shape and possess the bag of hollow liquid storage cylinder, in the bottom end arrangement connection of bag Empty liquid storage cylinder and be available for the socket of external devices grafting；It is characterized in that: described socket includes specializing in infusion device plug cooperation Transfusion device socket and the syringe socket specializing in medicament injection；This infusion bag at least also includes water permeable membrane, and described water permeable membrane is located at In hollow liquid storage cylinder, and water permeable membrane position and syringe needle relative to the maximum insertion position of socket between each other space keep away Allow；The medicament being formed for syringe needle insertion and injection medicament is jointly enclosed between described water permeable membrane, bag inwall and socket Injection chamber.

At the middle part of described bag bottom, vertical extends downwardly to form columned neck part；With position in neck part Diaphragm plate on the axis of neck part is divided into two sections, diaphragm plate plate face vertical and two plate sides are all horizontal-extending is fixed on bottle At neck inwall；In this two sections, at the bottom face of one of section, arrange transfusion device socket, the bottom of another section Syringe socket is arranged at face；There is spacing between the bottom face of diaphragm plate bottom and neck part；In diaphragm plate bottom and neck part Bottom face between gap location, and between the neck part inwall of diaphragm plate top and syringe socket place section, all fill out Fill and be coated with one layer of water permeable membrane；Described diaphragm plate top and neck part bottom interplanar distance are more than syringe needle opposing syringe and insert The maximum insertion depth of mouth.

A kind of infusion set of described infusion bag it is characterised in that: this assembly also includes infusion device plug, described transfusion device Plug profile is in opening up drum columnar structure, the inlet of the bottom face arrangement connection transfusion device body of infusion device plug； Internal thread is arranged at the inwall of the infusion device plug of drum columnar structure；The circle that transfusion device socket profile is downwardly extending in vertical Tubular structure, and the external screw thread that transfusion device spigot arrangement is screwed into for infusion device plug；Between transfusion device socket and infusion device plug Constitute screw thread cooperation.

The indent setting cannelure of the bottom face vertical of described transfusion device socket, external screw thread is arranged on relatively leaning on of cannelure At the inner side cell wall of nearly transfusion device socket axis.

The length of transfusion device socket is more than syringe slot length.

Transfusion device socket and syringe spigot are all cladded with having or not nectar capping.

The beneficial effects of the utility model are:

1), on the basis of traditional infusion bag structure, increased permeable membrane structure by look for another way, and this is tied Structure is individually formed a subenvironment in the hollow liquid storage cylinder of infusion bag, and then is guaranteeing the same of initial medicament mixing purpose When, also enable the transfusion isolation effect for spigot fragment.Water permeable membrane, as the term suggests, itself possesses screening capacity, can Through hydrone, and fragment to solid-state etc. then plays stop purpose naturally.Inwall using water permeable membrane and hollow liquid storage cylinder is Form the sub- chamber of hollow liquid storage cylinder to enclosing between socket, namely medicament injector, thus on the one hand ensure that the normal of medicament Injection, also can avoid the destruction to fragile water permeable membrane for the syringe needle；Meanwhile, medicament also normally can appear water permeable membrane, thus Efficiently mix between the liquid of script with hollow liquid storage cylinder.Admixing medical solutions after the completion of mixing in hollow liquid storage cylinder are finally via defeated The infusion device plug of liquid device spigot flows out, and to complete the clinical transfusion demand under high safety, is more beneficial for reducing the use of sufferer Medicine is born at heart.

2), further preferred as such scheme, water permeable membrane should be two pieces, and cover sets covering in diaphragm plate respectively Bottom and the top end of diaphragm plate.More specifically, the water permeable membrane being preferably placed at diaphragm plate bottom is in die face plumbing arrangement, and position Water permeable membrane in diaphragm plate top is horizontally disposed with die face.Now two pieces of water permeable membrane, diaphragm plate, neck parts are internal and neck part Bottom jointly encloses to be formed and only supplies aqueous water to pass in and out and the isolated area of solid isolation, namely above-mentioned medicament injection chamber.Certainly, thoroughly When moisture film is specifically arranged, only need to not hindering the normal use of side transfusion device socket, and play initial fragment isolation and The dual purpose of medicament mixing.Coordinate the structure of water permeable membrane using diaphragm plate, either by bag level or normal placement And when carrying out medicament married operation, or when bag is inverted to carry out transfusion operation, inject the mixing in chamber positioned at medicament Liquid all reliable can carry out mixing with the liquid in hollow liquid storage cylinder and exchange, and whole along the outflow of transfusion device socket, with While guaranteeing its property easy to use, prevent medicament wasting phenomenon.

3), on the basis of the infusion bag of said structure, the utility model additionally provides a kind of infusion bag and transfusion device Fit structure, the many disadvantages being produced with avoiding traditional spininess infusion device plug direct grafting flexible infusion bags socket. Specifically, the utility model employs the helicitic texture of the infusion device plug of uniqueness, thus realizing and between transfusion device socket Screw thread coordinates function.In other words, when clinic carries out infusion bag replacing every time, only need close transfusion device, take the infusion bag of sky, twist Lower infusion device plug, and it is screwed into again at the respective socket of new infusion bag.Difficult compared to traditional plug and be easy to For injured friction connected structure, the transfusion device jack design of insertion shape of the present utility model, what matching thread constructed plugs into Mouthful it is clear that quickly the plugging into and change a bag demand of transfusion device relatively, its operation extremely convenient reliability when can achieve clinical.

4), transfusion device socket preferably employs the cannelure of indent, thus with the external screw thread at cell wall inside cannelure, thus Realize the screw thread cooperation purpose and between the internal thread of infusion device plug.Why adopt this kind of grooved balanced constant, allow for If transfusion device socket adopts exposed helicitic texture, when changing every time bag, inevitably destroy the aseptic of connecting port, enter And jeopardize sufferer health of human body.External thread structure at built-in cell body, on the one hand, change bag every time without repeated disinfection, only needs straight Connect and change, the convenience of operation is higher；On the other hand, all deep pocket of cooperation enters in cannelure infusion device plug every time, The liquid leakage situation allowing to occur is avoided, and the liquid in infusion bag can be all the time uniformly and reliably along this cooperation Place flows in transfusion device tank body.

5), because twice socket function of the present utility model is different, carry out quick naked eyes for the ease of medical personnel and recognize, Therefore employ the outlet structure of different length.The arrangement of sterile sealing lid so that infusion bag is in unused state, each socket Place can be in airtight germ-free condition all the time, directly opens sterile sealing lid, its simple operation degree can when remaining to use Lifted further.

Brief description

Fig. 1 is structure cross-sectional schematic of the present utility model；

Fig. 2 is the working state figure after the i part partial enlargement of Fig. 1；

Fig. 3 is the upward view of neck part in Fig. 1.

The each label of the utility model is as follows with the actual corresponding relation of component names:

A- hollow liquid storage cylinder a1- medicament injects chamber

10- bag 11- neck part 20- transfusion device socket 21- cannelure

30- syringe socket 40- water permeable membrane 50- diaphragm plate

60- infusion device plug 70- transfusion device body 80- sterile sealing lid

Specific embodiment

For ease of understanding, here in connection with Fig. 1-3, concrete structure of the present utility model and working method are made further below Description:

Specifically used structure of the present utility model as shown in Figure 1-2, including the bag 10 of soft banding, the bottom of bag 10 The neck part 11 of the hollow liquid storage cylinder a of place's arrangement connection bag 10.Neck part 11 coordinates bag 10, thus the infusion bag being formed Concrete configuration.Diaphragm plate 50 is arranged along its axis, the both sides plate body of diaphragm plate 50 is respectively communicated with bottleneck in neck part 11 The inwall in portion 11.The water permeable membrane 40 of horizontal planar is covered between the side inwall of the top of diaphragm plate 50 and neck part 11.Diaphragm plate There is spacing between the bottom surface of 50 bottom and neck part 11, and this spacing is covered with water permeable membrane 40 filling of vertical planar.

Arrangement transfusion device socket 20 and syringe socket 30 at the bottom surface of neck part 11, as shown in Figures 1 and 3, two With diaphragm plate 50, as the plane of symmetry, face is arranged symmetrically socket.Wherein: syringe socket 30 is located at the permeable of above-mentioned horizontal planar At immediately below film 40, and between the water permeable membrane 40 of this horizontal planar and the bottom surface of neck part 11, distance is more than syringe needle Maximum insertion depth, to avoid syringe needle to produce destruction situation when inserting syringe socket 30 to water permeable membrane 40.For For transfusion device socket 20, this socket profile is in the cylindrical configuration of insertion, and indent setting annular at the oral area of this socket Groove 21.The inner side cell wall of cannelure 21, namely at the cell wall of inner ring, in two cell walls, arrange external screw thread.Infusion device plug 60 is then Be arranged as opening up drum columnar structure so that above-mentioned external screw thread with the bucket wall of infusion device plug 60 at default interior spiral shell Screw threads for fastening cooperation is constituted between line.Sealing when not using for guarantee infusion bag and aseptic, as Figure 1-3, in twice Spigot is respectively provided with sterile sealing lid 80., it is also contemplated that adopting grip structure, take in order to actual in bag 10 top.

The actually used process of the utility model is as follows:

Medicament injection stage: untapped infusion bag of the present utility model of taking, raise aseptic at syringe socket 30 Closure 80.Medicament need to be injected with pumping full in syringe, the syringe needle of this syringe be inserted along syringe socket 30, to infusion bag Interior injection medicament.Extract syringe, medicament necessarily rests in medicament injection chamber a1 first.Now rock infusion bag, medicament is noted Enter medicament in the a1 of chamber due to being liquid, can directly appear water permeable membrane 40, and enter in the overall situation of hollow liquid storage cylinder a, complete Liquid liquid mixes.The fragment producing because of the interspersed effect of syringe needle opposing syringe socket 30, then because of water permeable membrane Exist and be isolated in all the time in medicament injection chamber a1.Afterwards, take untapped transfusion device of the present utility model, raise transfusion device Sterile sealing lid 80 at socket 20, and infusion device plug 60 of screwing on, carry out clinical transfusion operation.

Clinic is changed a bag stage: when one bag of infusion bag infusion-completed, medical personnel are first shut off transfusion device switch, prevent medicine Agent continues traveling downwardly.Take the infusion bag of sky, back out infusion device plug 60, and the untapped infusion bag that more renews being infused Device plug 60 be screwed into operation.Again hang up infusion bag, open transfusion device switch, you can continue its flow process of infusing.

Claims (6)

1. a kind of infusion bag, including soft bag shape and possess the bag (10) of hollow liquid storage cylinder (a), in the bottom end cloth of bag (10) Put connection hollow liquid storage cylinder (a) and be available for the socket of external devices grafting；It is characterized in that: described socket includes specializing in transfusion device The transfusion device socket (20) of plug cooperation and the syringe socket (30) specializing in medicament injection；This infusion bag at least also includes permeable Film (40), described water permeable membrane (40) is located in hollow liquid storage cylinder (a), and water permeable membrane (40) position is relative with syringe needle Between the maximum insertion position of socket, space avoids each other；Described water permeable membrane (40), bag (10) enclose between inwall and socket jointly Close medicament injection chamber (a1) being formed for syringe needle insertion and injection medicament.

2. a kind of infusion bag according to claim 1 it is characterised in that: lead at the middle part of described bag (10) bottom Hang down and extend downwardly to form columned neck part (11)；With the tabula on the axis of neck part (11) in neck part (11) Plate (50) is divided into that two sections, diaphragm plate (50) plate face vertical and two plate sides are all horizontal-extending to be fixed on neck part (11) inwall Place；In this two sections, arrangement transfusion device socket (20) at the bottom face of one of section, at the bottom face of another section Arrangement syringe socket (30)；There is spacing between the bottom face of diaphragm plate (50) bottom and neck part (11)；In diaphragm plate (50) Gap location between the bottom face of bottom and neck part (11), and diaphragm plate (50) top and syringe socket (30) place piece Between neck part (11) inwall in area, all fillings are coated with one layer of water permeable membrane (40)；Described diaphragm plate (50) top and neck part (11) bottom interplanar distance is more than the maximum insertion depth of syringe needle opposing syringe socket (30).

3. a kind of application claim 1 or 2 described in infusion bag infusion set it is characterised in that: this assembly also includes transfusion device Plug (60), described infusion device plug (60) profile is in opening up drum columnar structure, the bottom face of infusion device plug (60) The inlet of arrangement connection transfusion device body (70)；Internal thread is arranged at the inwall of infusion device plug (60) of drum columnar structure； The cylinder-like structure that transfusion device socket (20) profile is downwardly extending in vertical, and transfusion device socket (20) place arrangement is for transfusion The external screw thread that device plug (60) is screwed into；Screw thread cooperation is constituted between transfusion device socket (20) and infusion device plug (60).

4. infusion set according to claim 3 it is characterised in that: the bottom face vertical of described transfusion device socket (20) Indent setting cannelure (21), external screw thread is arranged on the inner side slot of relatively close transfusion device socket (20) axis of cannelure (21) At wall.

5. infusion set according to claim 3 it is characterised in that: the length of transfusion device socket (20) be more than syringe insert Mouth (30) length.

6. infusion set according to claim 3 it is characterised in that: transfusion device socket (20) and syringe socket (30) place All it is cladded with having or not nectar capping (80).