CN2633316Y

CN2633316Y - Aseptic double copmled medicine mixer

Info

Publication number: CN2633316Y
Application number: CN 03256061
Authority: CN
Inventors: 严启文; 桑卫东
Original assignee: Mishawa Medical Industry Co ltd Shanghai
Current assignee: Mishawa Medical Industry Co ltd Shanghai
Priority date: 2003-07-29
Filing date: 2003-07-29
Publication date: 2004-08-18
Anticipated expiration: 2013-07-29

Abstract

The utility model discloses an aseptic double copmled medicine mixer, comprising a syringe(1), a duplex frame (2) covered on the syringe, a push rod (3) extending into the inside of the duplex frame and an injecting seat (4) fixed on the syringe. The utility model is characterized in that: the utility model also comprises a nozzle (6) which is communicated with the injecting seat (4) by a locking element (5), the inside of the injecting seat (4) is divided into two closed hollow area. The beneficial effect is that: the structure of the nozzle make the fibrinogen and the catalytic agent in the syringe mixed sufficiently, thereby greatly increasing the stop bleeding effect of jello produced after mixing, shortening the clotting time and accelerating the agglutination speed, besides, the improved injecting seat make the operation need no dynamic and air filtering device, thereby effectively saving cost and decreasing many steps in the operation process; further, all of the humanism designed such as the locking element, a pull rod and a holding rod increase the convenience of the operation.

Description

Aseptic duplex medicament-mixing device

Technical field

This utility model belongs to the medical syringe field, relates in particular to the aseptic chemical mixing device that helps the usefulness of hemostasis and tissue growth healing in the operation process.

Background technology

Growing along with the continuous progress of modern society and Medical Technology, medical worker and patient have proposed the more requirement of Gao Gengxin to diagnosis and treatment mode, therapeutic effect.In surgical field, how handling the venous hemorrhage and the oozing of blood that occur in the operation process as early as possible is a stubborn problem.Present this medical apparatus and instruments simpler structure is directly to load onto two metal needles on the duplex medicament-mixing device, again needle point after two pin bendings is linked together, thereby double base liquid flows out through the junction and hemorrhage the sentencing that be expelled to wound helps hemostasis in the syringe.Yet there is a significant disadvantages in this syringe, be that double base liquid fiber albumen unit and catalyst thrombin do not have enough spaces fully to mix, thereby cause effective hemostatic compositions of injection mass obviously to reduce, can not promptly stop blooding and promote wound healing.In contrast to this, present more advanced technology links to each other with three-way device by booster pump and realizes, threeway is respectively by double base liquid and filtered air.Its advantage is that spray effect is good, and shortcoming is too loaded down with trivial details in use, needs power set booster pump compressed air, and air must be through filtering, thereby use cost is higher, has also increased the polluter in the operating room simultaneously.

The utility model content

This utility model technical issues that need to address are to provide a kind of aseptic duplex medicament-mixing device, with overcome prior art use loaded down with trivial details, cost is higher and syringe in shortcomings such as the double base liquid mixing is insufficient.

The technical solution of the utility model is:

Comprise syringe, be sleeved on duplex frame on the syringe, stretch into the push rod of duplex frame inside and be fixed on injection seat on the syringe, in addition, also comprise nozzle, nozzle links to each other with injection seat by locking member and communicates, and is divided into the hollow region of two sealings in the injection seat; Described nozzle be fixed in the housing by housing, afterbody and with the co-axial filled circles shell of column of housing and be nested in solid cylinder paragraph header portion and with it the nozzle plug of inscribe form, have one section groove between solid cylinder segment trailer and the housing, the outer shroud of nozzle plug is a cylinder, internal ring is the spatial organization of cone and cuboid, wherein cuboid space and filled circles shell of column inscribe, have a hole in the middle of the nozzle plug, communicate with interior annular space.

The end that described housing is connected with injection seat is provided with a circle lug, is convenient to closely cooperate with locking member.

Described injection seat comprises two cover for seat that are connected with syringe and is fixed on pedestal on the cover for seat, and cover for seat communicates with pedestal, and the pedestal middle part is a solid cylinder, solid cylinder with pedestal therefrom between partition; A part that intersects the cross section of junction formation with pedestal and cover for seat is that the bottom surface forms two hollow circular cylinders, two bottom surfaces lay respectively at the both sides of the two cover for seat lines of centres, two hollow circular cylinders keep certain distance and intersect extending in the space, thereby form two holes until the end face that extends to solid cylinder on end face.

On the pedestal of distance solid cylinder end face certain-length, be rotary with the screw thread of a segment standard size, with locking member in threaded engagement.Press the medical apparatus and instruments standard, for guaranteeing interchangeability, screw thread is preferably on the pedestal at solid cylinder end face 8mm place, the long 4mm of screw thread.

In addition, because the solid cylinder of injection seat finally is connected with nozzle by locking member, in order to guarantee interchangeability, the corresponding coupling part with nozzle of the head of injection seat (being the solid cylinder head) all should meet the national standard of the inside and outside cone joint of GB/T1962.1 regulation, promptly 6: 100 tapering.

Be similarly assurance interchangeability, described locking member meets standard GB/T1962.2,, screw thread is footpath, end Φ 8.0mm, and the footpath, top is Φ 7.2mm, and pitch is the double thread of 2.5mm, thereby the lug on the nozzle that cooperates with it also meets identical standard.When fibrin sealant viscosity was higher, this locking mechanism can guarantee can fog-spray nozzle be come off when keeping interchangeability.In addition, for guaranteeing interchangeability, when locking member closely was connected injection seat with nozzle, the end face of solid cylinder was 6.529mm to the maximum to the length of locking member, and minimum is 4.665mm.

Injection seat comes off when causing pressure-ram in order to prevent that liquid viscosity is excessive in the syringe, can be at pull bar of injection seat middle part solid cylinder external fixation with a plurality of eyelets, to hold the duplex frame, pull bar one end is fixed on the injection seat, and the eyelet of the other end by diverse location is fixed on the corresponding outthrust on the duplex frame.Punching can be satisfied the not length needs of isometric syringe on diverse location.

Described push rod afterbody also is fixed with the arcual supporting plate of thumb, operates to make things convenient for the medical worker.

The beneficial effects of the utility model are: compared with prior art, nozzle arrangements not only makes fibronectin and the catalyst in the syringe to mix fully, thereby improved the haemostatic effect of the gelatinous mass that mixes the back generation greatly, shortened clotting time, accelerated the healing rate of wound, and the injection seat after improving makes and or else needs power and air filter in the operation process, saved cost effectively and alleviated loaded down with trivial details step in the operation; In addition, the locking member of human oriented design, pull bar and pressure pin have all increased the simplification of operation technique.

Description of drawings

Fig. 1 always schemes for structure of the present utility model; Fig. 2 is an injection seat structural representation of the present utility model;

Fig. 3 is that the C of Fig. 2 is to profile; Fig. 4 is a nozzle arrangements sketch map of the present utility model;

Fig. 5 is the B-B profile of Fig. 4; Fig. 6 removes nozzle plug structural representation afterwards for nozzle arrangements; Fig. 7 is the A-A profile of Fig. 6 along one section groove of nozzle afterbody;

The specific embodiment

Below in conjunction with the drawings and specific embodiments this utility model is elaborated;

As shown in Figure 1, this utility model comprises syringe 1, be sleeved on duplex frame 2 on the syringe, stretch into the push rod 3 of duplex frame inside and be fixed on injection seat 4 on the duplex syringe, in addition, also comprise nozzle 6, nozzle 6 links to each other with injection seat 4 by locking member 5 and communicates, and is divided into the hollow region of two sealings in the injection seat 4.

As Fig. 1, when filling double base liquid in the syringe 1, liquid can be squeezed into injection seat 4 by push rod 3.

As Fig. 2, injection seat 4 comprises two cover for seat 7 and the pedestal 8 that is connected with cover for seat, pedestal 8 middle parts are solid cylinder 9, apart from solid cylinder end face one segment distance is the standard thread 10 that cooperates with locking member 6, the pull bar 11 that prevents that injection seat from coming off has been fixed in the cylinder other end, and three eyelets on the pull bar can be fixed on the duplex frame.As Fig. 2 and Fig. 3, solid cylinder 9 can cut off pedestal 8 between therefrom, and be the bottom surface with the part that pedestal 8 and cover for seat 7 intersect the cross section that junctions form, the axis that is in Different Plane in the pedestal both sides forms two and keeps the certain distance and the sealed

hollow cylinders

12,13 that extend that intersect in the space, as Fig. 2 and Fig. 3, the pedestal part also is solid between these two hollow circular cylinders and the intermediary solid cylinder, and two kinds of liquid have directly entered two hollow cylinders respectively from cover for seat.Thereby two hollow circular cylinders extend to the end face of the solid cylinder 9 of injection seat always and form two injection orifices on end faces.Because injection seat has certain thickness, from its exterior contour, two hollow circular cylinders all are symmetrically distributed in all directions, and in fact in order to guarantee that two hollow circular cylinders do not have common ground in the space, in injection seat inside, the position of two hollow circuit cylinder body axis is spatial vertical, promptly be on the Different Plane, in addition as Fig. 3, two hollow

circular cylinders

12,13 bottom surface is selected pedestal 8 and two parts that cover for seat 7 intersects in the cross section respectively, and two bottom surfaces lay respectively at the both sides of the two cover for seat lines of centres, thereby two cylinders that form in view of the above do not have intersecting area.Because the hollow circular cylinder bottom surface is very little, pressure is just big thereupon, and speed speeds, again because in the space and non-intersect, so be very beneficial for two kinds of liquid after nozzle in fully mixing.

As Fig. 4, nozzle be fixed in the housing by housing 14, afterbody and with the co-axial filled circles shell of column 15 of housing and be nested in solid cylinder paragraph header portion and with it the nozzle plug 16 of inscribe form.Nozzle also can be made up of locking section L1, mixer L2 and jet segment L3 on function successively, and locking section L1 is one section that the nozzle afterbody is connected with the solid cylinder of injection seat, and the end of locking section L1 has a circle lug, is convenient to closely cooperate with locking member; The other end of mixer L2 and jet segment L3 communicate with one section groove between filled circles shell of column 15 afterbodys by housing 14, can find out the position of groove as Fig. 6 and Fig. 7.Jet segment L3 is an annular space, and its internal ring cross section is a square, and the outer shroud cross section is circular, the square inscribe solid cylinder 15 that its internal ring forms.The annular space head of jet segment L3 is nested with the nozzle plug 16 of centre eye with holes as described in Figure 4, after nozzle plug is fixing, has formed a bit of annular space in original annular space, as flow of liquid through the time the buffer area.Because square and solid section 15 inscribe of cylinder that jet segment L3 annular space internal ring forms, thereby nozzle plug 16 also with solid section 15 inscribe of this cylinder, nozzle plug 16 is actually a cover, the space that forms in the cover is made up of cuboid space and cone space, be equipped with a hole in the middle of the nozzle plug, communicate with the cone space.In fact B-B is with the profile of nozzle plug also can find out the inner and outer ring shape of close-fitting with it jet segment annular space from Fig. 5.

After two kinds of liquid arrived the mixer L2 of nozzle through injection seat, the instantaneous change in space was big, thereby has enough spaces fully to mix.As Fig. 4, the Mixed Zone can be made up of one section cone space and one section cylindrical space, and the cone space mainly makes the mixing rear space successively decrease, to increase pressure in advance, for later jeting effect is prepared.Enter jet segment L3 after two kinds of liquid fully mix, jet segment is an annular space, and the space is narrow and small, thereby the pressure of liquid obviously diminishes in this section beginning after mixing.Because the annular space of jet segment is with nozzle plug 16, nozzle plug 16 and intravital filled circles shell of column 15 inscribes of shell, thereby as the B-B section of Fig. 5, mixed gel can only be space between the nozzle plug of cuboid by solid section of cylinder and interior annular space, promptly extruding is sprayed in four jiaos space, and the eyelet from the nozzle plug head center ejects at last.

Described duplex injection seat and nozzle adopt the polypropylene material material injection forming, and duplex injection frame and push rod adopt the ABS material injection molding.

Claims

1. aseptic duplex medicament-mixing device, comprise syringe (1), be sleeved on the duplex frame (2) on the syringe, stretch into the push rod (3) of duplex frame inside and be fixed on injection seat (4) on the syringe, it is characterized in that: also comprise nozzle (6), nozzle is by housing (14), afterbody is fixed in the housing and with the co-axial filled circles shell of column of housing (15) be nested in solid cylinder paragraph header portion and the nozzle plug of inscribe (16) composition with it, have one section groove between solid cylinder segment trailer and the housing, the outer shroud of nozzle plug (16) forms cylinder, internal ring forms the spatial organization of cone and cuboid, wherein cuboid space and filled circles shell of column (15) inscribe, have a hole in the middle of the nozzle plug (16), communicate with interior annular space; Nozzle (6) links to each other with injection seat (4) by locking member (5) and communicates, and is divided into the hollow region of two sealings in the injection seat (4).

2. medicine mixer as claimed in claim 1 is characterized in that described injection seat (4) comprises two cover for seat (7) that are connected with syringe and is fixed on pedestal (8) on the cover for seat, and the pedestal middle part be solid cylinder (9), solid cylinder with pedestal therefrom between partition; Cover for seat communicates with pedestal, a part that intersects the cross section of junction formation with pedestal (8) and cover for seat (7) is that the bottom surface forms two hollow circular cylinders (12,13), two bottom surfaces lay respectively at the both sides of the two cover for seat lines of centres, two hollow circular cylinders (12,13) keep certain distance and intersect extending in the space, thereby form two holes until the end face that extends to solid cylinder on end face.

3. medicine mixer as claimed in claim 2 is characterized in that being rotary with the long screw thread (10) of one section 4mm on the pedestal (7) at described solid cylinder (9) end face 8mm place.

4. medicine mixer as claimed in claim 2 is characterized in that being fixed with on the described injection seat pull bar with a plurality of eyelets (11), and the other end is fixed on the duplex frame by the eyelet of diverse location.

5. medicine mixer as claimed in claim 1, the screw thread that it is characterized in that described locking member are footpath, end Φ 8.0mm, footpath, top Φ 7.2mm, the double thread of pitch 2.5mm.

6. medicine mixer as claimed in claim 1 is characterized in that the external taper of head of described injection seat and the internal taper of the corresponding coupling part of nozzle are 6: 100.

7. medicine mixer as claimed in claim 1 is characterized in that described push rod (3) afterbody also is fixed with the arcual supporting plate of thumb.