CN109125917A

CN109125917A - Medical five-way valve, medical external member and its application method

Info

Publication number: CN109125917A
Application number: CN201811080956.1A
Authority: CN
Inventors: 杨晨雨
Original assignee: Hangzhou Sizhiyun Technology Co Ltd
Current assignee: Hangzhou Sizhiyun Technology Co Ltd
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2019-01-04

Abstract

The present invention provides a kind of medical five-way valve, medical external member and its application method, the medical five-way valve includes ontology, rotatable spool, four syringe connectors and a guide coupling.Five grades of flexibly switchings may be implemented in the rotatable spool of medical five-way valve of the invention, each connector is correspondingly connected with corresponding syringe and medical catheter, therefore, without being related to once or several times disconnecting mixing syringe and injection syringe with it as clinically used medical three-way valve, it is more scientific compared to medical three-way valve, conveniently, and reduce the risk of microbial contamination and risk that medical staff is contacted with the drug in these syringes, to effectively increase the validity and safety of intervention operation.

Description

Medical five-way valve, medical external member and its application method

Technical field

The present invention relates to the field of medical instrument technology, in particular to a kind of medical five-way valve, medical external member and its user Method.

Background technique

Iodized oil has used in interventional medicine diagnosis and treatment process more than 30 years.Iodized oil is characterized in that it can be by liver It captures to tumor-selective, can get the opaque tumor tissues development of high density under x-ray；Since oil does not dissolve in water for iodate, when Iodized oil particle can be with localized plug arteriovenous microcirculation after iodized oil is injected small arteriovenous；Iodized oil also serves as anti- Cancer agent carrier, anticancer agent and its carrier treat liver by the method technically referred to as through transcatheter arterial chemoembolization (TACE) Cell cancer.Its mechanism is the nutrient artery and its corresponding portal vein that iodized oil is infused into hepatocellular carcinoma through the super selection of medical catheter When generate embolism effect, thus cause the arteria hepatica of corresponding site and portal venous circulation to slow down stagnation, so that hepatocellular carcinoma Tissue ischemia anoxic necrosis.In view of most of anticancer agents are insoluble in iodized oil, therefore it is designed to mix It is each " emulsion " form of insoluble two-phase, in this case, is produced when emulsion is injected into hepatocellular carcinoma microcirculation through conduit After raw embolism effect, anticancer agent separation i.e. from emulsion, which releases, acts on cancerous tissue.It is this that liver is infused to by super selection Anticancer agent inside carcinoma tissues can be to avoid toxicity when being administered in non-emulsified form by whole body infusion path too Greatly or it is not efficient enough.

In order to carry out TACE operation, Interventional Radiography medical staff extemporaneous preparation emulsion at once before surgery.Traditionally, it cures The raw syringe for using two 20ml, the two syringes are connected to medical three-way valve, and there are three connect for medical three-way valve outfit Device (two syringe connectors and a guide coupling) is connect, the two syringes are connect with the syringe on medical three-way valve Device connection, conduit are then fixed on its guide coupling.One of these syringes include anticancer agent solution, and another is injected Device includes iodized oil.With the help of medical three-way valve, content in a syringe tens times it is continuous and rapidly with Emulsion is obtained after the mixing of another syringe.Then emulsion is transferred in one of the two mixing syringes, empty mixing note Emitter is disconnected with medical three-way valve, is then connected low capacity injection syringe (usually 3ml or 1ml) substitution and is moved The mixing syringe removed.A small amount of emulsion is transferred to and injecting the piston of remaining mixing syringe and is injected in syringe. In ten minutes, the hepatic arterial right branch or Zuo Zhizhong of patient are injected, to be injected into the microcirculation of Tissues of Hepatocellular Carcinoma.

In view of to be continuously injected into several times sometimes, injection period twice, when hybrid medicine may stand long Between, uniformly mixed emulsion can generate layering, must re-mix drug at this time, disconnect injection syringe.Disconnect injection note Emitter and after reconnecting second mixing syringe has been layered in mixing syringe to being retained in again in the above described manner Emulsion is re-mixed.Emulsion is transferred in one of the two mixing syringes again, by empty mixing syringe with it is medical Triple valve disconnects, connection injects syringe to substitute removed mixing syringe, by injecting remaining mix again Close syringe piston and by a small amount of emulsion be transferred to injection syringe after, carry out new injection.If emulsion after a period of time Layering is generated again, and above step is repeated in medical staff again.

Under through transcatheter arterial chemoembolization (TACE) technical background, what existing market was sold is intended to prepare injection patient's body The medical three-way valve of interior emulsion is not exclusively for TACE Technology design, and only tool is there are three connector, and there are three connectors for tool Medical three-way valve presently, there are following obvious deficiencies:

1) medical three-way valve is related to once or several times disconnecting mixing syringe and injection syringe with it, grasps Make complicated, reduce the science and convenience of operation, and increases the risk and medical staff and packet of microbial contamination The risk that the drug being contained in these syringes is contacted.

2) cumbersome in art, it is easy mixing syringe incorrect link to the connector for being intended for injecting syringe On, i.e. assembly connection device is obscured, and causes operation medication fault, even results in operative failure.

3) since the connector leakproofness of the connector of medical three-way valve and mixing syringe and injection syringe is insufficient, because Syringe repeated multiple times the phenomenon that pushing away pumping, drug is easily caused to reveal, it is serious have connector and collapse suddenly de- drug is caused to sputter To the risk of medical staff's skin or eyes.

Summary of the invention

The purpose of the present invention is to provide a kind of medical five-way valve, medical external member and its application methods, to make up existing skill Deficiency existing for medical three-way valve is used in art.

In order to solve the above technical problems, the present invention provides a kind of medical five-way valve, the medical five-way valve includes:

Ontology (2) has body cavity closed at one end；

Rotatable spool (7), is placed in the body cavity of the ontology (2), and it is logical that circulation is offered in the rotatable spool (7) Road (10)；

Four syringe connectors (30a, 30b, 30c, 30d) and a guide coupling (40), along the ontology (2) It is circumferentially uniformly arranged, and the body wall through the ontology (2) extends to the body cavity, the rotatable spool (7) can be with respect to institute Ontology (2) rotation is stated, so that the circulation passage (10) is docked with two connectors of arbitrary neighborhood constitutes communicating passage.

Optionally, in the medical five-way valve, it is convex that the body wall upper edge of the ontology (2) is provided at least one Type limit point (13a), corresponding position is provided with matched recessed with the convex limit point (13a) on the rotatable spool (7) Type limit point (13b).

Optionally, in the medical five-way valve, the quantity of the convex limit point (13a) is five, five convexs Limit point (13a) corresponds to the position of four syringe connectors (30a, 30b, 30c, 30d) and a guide coupling (40), Its body wall upper edge is uniformly arranged on along the circumferential direction of the ontology (2).

Optionally, in the medical five-way valve, concave stop collar is provided on the inside body wall of the ontology (2) (15a), is correspondingly arranged on the body wall of the rotatable spool (7) and the matched convex of the concave stop collar (15a) limits Ring (15b), when the matching of the concave stop collar (15a) and the convex stop collar (15b) dock, seal the ontology (2) and Gap between the rotatable spool (7).

Optionally, in the medical five-way valve, four syringe connectors (30a, 30b, 30c, 30d) and one The root of a guide coupling (40) is connect after rounding off is handled with the ontology (2).

Optionally, in the medical five-way valve, four syringe connectors (30a, 30b, 30c, 30d) and one are led It is in 72 ° of angles between two connectors of arbitrary neighborhood in tube connector (40).

Optionally, in the medical five-way valve, the circulation passage is in " V " type, and the angle of the circulation passage is 72°。

Optionally, in the medical five-way valve, the rotatable spool (7) include rotatable bar (4) and with it is described The rotation button (8) of rotatable bar (4) proximal end connection, the diameter of the rotation button (8) are greater than the diameter of the rotatable bar (4), The rotatable bar (4) is placed in the body cavity of the ontology (2), and the circulation passage (10) is opened in rotatable bar (4).

Optionally, in the medical five-way valve, the side of the rotation button (8) is provided with damping striped (9), described The surface that (8) are turned round in rotation is provided with the arrow mark (11) in 72 ° of angles, and the arrow mark (11) indicates rotatable spool (7) position of the circulation passage (10) opened up in.

Optionally, in the medical five-way valve, the surface of the rotation button (8) offers a concave and is directed toward notch (12), the direction for arrow mark (11) described in aid prompting.

Optionally, in the medical five-way valve, four syringe connectors (30a, 30b, 30c, 30d) are Equipped with cone joint is locked in externally threaded Rule, to connect the syringe for matching internal thread Rule outer cone locked joints.

Optionally, in the medical five-way valve, the guide coupling (40) is Rule equipped with internal screw rand Outer cone locked joints, to connect the medical catheter (6) of Rule female cone locked joints equipped with lug.

It optionally, further include three colour circles in the medical five-way valve, each colour circle, which respectively corresponds, is socketed on three On syringe connector (30a, 30b, 30c), to distinguish the drug equipped in the specification of syringe and syringe that assemble therewith.

The present invention also provides a kind of medical external member, the medical external member includes: medical five-way valve (1), two as described above A drug mixing syringe (26,27), injection syringe (28) and auxiliary syringe (25), wherein

The medical five-way valve (1) is disposed with guide coupling along the circumferential direction of the ontology (2) in the direction of the clock (40), the first syringe connector (30a), the second syringe connector (30b), third syringe connector (30c) and the 4th Syringe connector (30d)；

Described two drug mixing syringes respectively with the second syringe connector (30b) and the third syringe Connector (30c) connection, described two drug mixing syringes (26,27) piston alternately push away repeatedly pumping it is dynamic after, It can get drug in two drug mixing syringes (26,27) and be mutually mixed generated medicinal mixture；The injection note Emitter (28) is connect with the first syringe connector (30a), to collect at least partly described medicinal mixture；The auxiliary Syringe (25) is connect with the 4th syringe connector (30d), to inject paramedicines.

Optionally, in the medical external member, described two drug mixing syringes (26,27) and injection injection Color identifier, the color identifier and each syringe (26,27,28) corresponding syringe assembled are provided on device (28) Colour circle solid colour on connector.

Optionally, in the medical external member, described two drug mixing syringes (26,27), injection injection The specification of device (28) and the auxiliary syringe (25) is respectively as follows: 20ML, 20ML, 3ML and 5ML.

The present invention also provides a kind of application method of medical external member, the application method of the medical external member includes:

S1: initializing the position where rotatable spool (7) opposing body (2), so that circulation passage (10) and the second note Emitter connector (30b) is connected to third syringe connector (30c)；

S2: two drug mixing syringes (26,27) for having extracted two kinds of drugs to be mixed are assemblied in correspondence respectively Two syringe connectors (30b, 30c) on；

S3: the piston for taking out two drug mixing syringes (26,27) is alternately and repeatedly pushed away, so that two drug mixing syringes (26,27) drug in is sufficiently mixed generation mixing drug；

S4: injection syringe (28) being assemblied on the first syringe connector (30a), and rotates rotatable spool (7), So that circulation passage (10) is connected to the second syringe connector (30b) and the first syringe connector (30a)；

S5: medicine is mixed by part is described in the drug mixing syringe (27) assembled with the second syringe connector (30b) Product push in injection syringe (28), or are assembled using injection syringe (28) from the second syringe connector (30b) Drug mixing syringe (27) in mix drug described in extraction section；

S6: medical catheter (6) is assemblied on guide coupling (40), and rotates rotatable spool (7), so that circulation is logical Road (10) is connected to the first syringe connector (30a) and guide coupling (40)；

S7: the mixing drug injected in syringe (28) is pushed into medical catheter (6)；

S8:, can again according to S1 initialization when the mixing drug in the drug mixing syringe (27) is layered Position where rotary spool (7) opposing body (2), and return and execute S3；

S9: the auxiliary syringe (25) for having extracted paramedicines is assemblied on the 4th syringe connector (30d), and is revolved Turn rotatable spool (7), so that circulation passage (10) is connected to the 4th syringe connector (30d) and guide coupling (40)；

S10: the paramedicines in auxiliary syringe (25) are pushed into medical catheter (6).

In medical five-way valve provided by the present invention, medical external member and its application method, the medical five-way valve includes Ontology, rotatable spool, four syringe connectors and a guide coupling；The ontology has body cavity closed at one end, The rotatable spool is placed in the body cavity of the ontology, offers circulation passage in the rotatable spool；Four notes Emitter connector and the guide coupling are uniformly arranged along the circumferential direction of the ontology, and are extended to through the body wall of the ontology The body cavity, the rotatable spool can be rotated relative to the ontology, so that the circulation passage is connect with arbitrary neighborhood two Device docking constitutes communicating passage.Five grades of flexibly switchings, Ge Gelian may be implemented in the rotatable spool of medical five-way valve of the invention It connects device and is correspondingly connected with corresponding syringe, it is therefore not necessary to as medical three-way valve is related to once or several times by mixing syringe It disconnects with injection syringe with it, it is more scientific, conveniently to compare medical three-way valve, and also reduce microbial contamination The risk that risk and medical staff are contacted with the drug in these syringes, to effectively increase having for intervention operation Effect property and safety.

On the other hand, by the way that different colours colour circle is arranged on three syringe connectors, and in the injection equipped therewith The color identifier that corresponding color is arranged on device improves the accuracy of assembly, in turn to avoid the occurrence of the phenomenon that assembly is obscured Improve the validity and safety of operation.

On the other hand, in conjunction with ontology sheet as the structure and concave stop collar and convex stop collar of body cavity closed at one end Structure after matching docking so that the concave stop collar matched with the convex stop collar butted part and ontology closed end it Between be closed portion, and connect using locking cone joint in externally threaded Rule with being locked with internal thread Rule outer cone The syringe assembly of head, effectively increases the leakproofness that syringe connector is assembled with corresponding syringe, avoids the occurrence of drug and let out Dew and its injury to medical staff.

Detailed description of the invention

Fig. 1 is the main view of medical five-way valve in one embodiment of the invention；

Fig. 2 is the bottom view of medical five-way valve in one embodiment of the invention；

Fig. 3 is the top view of medical five-way valve in one embodiment of the invention；

Fig. 4 is the explosive view of medical five-way valve in one embodiment of the invention；

Fig. 5 is the vertical cross section of medical five-way valve in one embodiment of the invention；

Fig. 6 is the horizontal sectional drawing of medical five-way valve in one embodiment of the invention；

Fig. 7 is a main view of rotatable spool in one embodiment of the invention；

Fig. 8 is another main view of rotatable spool in one embodiment of the invention；

Fig. 9 is the main view of ontology in one embodiment of the invention；

Figure 10 is the vertical cross section of ontology in one embodiment of the invention；

Figure 11 is the assembly figure of medical external member in one embodiment of the invention；

Figure 12 is the structural schematic diagram of the syringe of Rule outer cone locked joints equipped with internal screw rand.

Figure label explanation:

The medical five-way valve of 1-；

2- ontology；

The light red colour circle of 3a-；The yellowish colour circle of 3b-；The dark red colour circle of 3c-；

The rotatable bar of 4-；

5- internal screw rand；

6- medical catheter；

The rotatable spool of 7-；

8- rotation button；

9- damps striped；

10- circulation passage；

11- arrow mark；

12- concave is directed toward notch；

13a- convex limit point；13b- concave limit point；

The root 14-；

15a- concave stop collar；15b- convex stop collar；

The bottom 16-；

17- reinforcing rib；

20- external screw thread；

21- annular groove；

22a, 22b- contract type structure；

23- concave bayonet；

24- groove；

25- auxiliary syringe；

26,27- drug mixing syringe；

28- injects syringe；

29- Rule outer circle taper joint；

30a- the first syringe connector；30b- the second syringe connector；30c- third syringe connector；30d- Four syringe connectors；

40- guide coupling.

Specific embodiment

Below in conjunction with the drawings and specific embodiments to medical five-way valve proposed by the present invention, medical external member and its application method It is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.It should be noted It is that attached drawing is all made of very simplified form and using non-accurate ratio, only to facilitate, lucidly aid in illustrating this hair Bright implementation purpose.

Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in the present embodiment is only with signal Mode illustrates basic conception of the invention, only shows in schema with related component in the present invention rather than when according to actual implementation Component count, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind Become, and its assembly layout kenel may also be increasingly complex.

Present specification and claims have used the certain terms for indicating particular system components.Such as those skilled in the art What member will be understood that, different company may indicate a component with different titles.But function phase different in title is not expected herein It is distinguished between same component.In the specification and in the claims, term " includes " and "comprising" press open mode It uses, and therefore should be interpreted " including, but are not limited to ... ".

As shown in the application and claims, unless context clearly prompts exceptional situation, " one ", "one", " one The words such as kind " and/or "the" not refer in particular to odd number, may also comprise plural number.It is, in general, that term " includes " only prompts to wrap with "comprising" Include clearly identify the step of and element, and these steps and element do not constitute one it is exclusive enumerate, method or apparatus The step of may also including other or element.

In addition, each embodiment of following description is respectively provided with one or more technical characteristics, so this is not meant to It must implement all technical characteristics in any embodiment simultaneously using present inventor, or be only capable of being performed separately in different embodiments One or all technical characteristic.In other words, under the premise of being embodied as possible, those skilled in the art can be according to the present invention Disclosure, and regard design specification or implementation demand, it is special selectively to implement all or part of technology in any embodiment Sign, or selectively implement the combination of all or part of technical characteristic in multiple embodiments, increase the present invention whereby and implements When elasticity.

To be clearer and more comprehensible the purpose of the present invention, feature, a specific embodiment of the invention is made with reference to the accompanying drawing Further instruction, however, the present invention can be realized with different forms, it is not considered that being only confined to the embodiment described.

Embodiment one

Fig. 1 to Fig. 6 and Fig. 9 is please referred to, Fig. 1 is the main view of medical five-way valve of the invention；Fig. 2 is doctor of the invention With the bottom view of five-way valve；Fig. 3 is the top view of medical five-way valve of the invention；Fig. 4 is the quick-fried of medical five-way valve of the invention Fried figure；Fig. 5 is the vertical cross section of medical five-way valve of the invention；Fig. 6 is the horizontal sectional drawing of medical five-way valve of the invention； Fig. 9 is the main view of ontology of the invention.As shown in Fig. 1 to Fig. 6 and Fig. 9, the medical five-way valve 1 includes: ontology 2, can revolve 7, four syringe connector 30a, 30b, 30c, 30d and one guide couplings 40 of rotary plate；The ontology 2 has an end seal The body cavity closed, the rotatable spool 7 are placed in the body cavity of the ontology 2, offer circulation passage in the rotatable spool 7 10；Four syringe connectors 30a, 30b, 30c, 30d and the guide coupling 40 are along the circumferential uniform of the ontology 2 Setting, and the body cavity is extended to through the body wall of the ontology 2, the rotatable spool 7 can be rotated relative to the ontology 2, So that the circulation passage 10 is docked with two connectors of arbitrary neighborhood constitutes communicating passage.

It is in 72 ° of angles between two connectors of arbitrary neighborhood, as shown in fig. 6, the circulation passage is in the present embodiment " V " type, correspondingly, the angle of the circulation passage is 72 °, so as in the rotatable spool 7 rotation, circulation passage can be with Realization is docked with two connectors of arbitrary neighborhood constitutes communicating passage.As shown in Fig. 1, Fig. 3, Fig. 6 and Fig. 9, institute in the present embodiment It states medical five-way valve 1 and is disposed with guide coupling 40, the first syringe company in the direction of the clock along the circumferential direction of the ontology 2 Meet device 30a, the second syringe connector 30b, third syringe connector 30c and the 4th syringe connector 30d；At this point, institute It states circulation passage 10 and docks path (according to the liquid medicine flow direction) mark for constituting communicating passage with two connectors of arbitrary neighborhood Number indicating can be with are as follows: 30b-10-30c, 30b-10-30a, 30a-10-40,30d-10-40.

Further, as shown in figure 5, the body wall upper edge of the ontology 2 is provided at least one convex limit point 13a, corresponding position is provided with and the matched concave limit point 13b of convex limit point 13a on the rotary spool 7.It is preferred that , the quantity of the convex limit point 13a is five, correspondingly, the quantity of concave limit point 13b is also five；Five convexs Limit point 13a corresponds to the position of four syringe connector 30a, 30b, 30c, 30d and one guide couplings 40, and along institute The circumferential direction for stating ontology 2 is uniformly arranged on its body wall upper edge.Currently, existing medical three-way valve does not have the concept of gear, no It is easily able to circulation passage in rotatable spool to dock with the accurate of syringe connector, to drug when being connected to deviation in inside stream Lead to it is unsmooth, due to the setting of convex limit point 13a of the present invention and concave limit point 13b, even if so that limit point is in blind operation In the case of can also accomplish the docking that accurately files.

Preferably, as shown in figure 5, be provided with concave stop collar 15a on the inside body wall of the ontology 2, it is described rotatable It is correspondingly arranged on the body wall of spool 7 and the matched convex stop collar 15b of concave stop collar 15a, the concave stop collar When 15a is docked with convex stop collar 15b matching, the gap between the ontology 2 and the rotatable spool 7 is sealed.Knot After conjunction ontology 2 structures and concave stop collar 15a as body cavity closed at one end are docked with convex stop collar 15b matching Structure, so that it is close that the concave stop collar 15a is matched between butted part and ontology closed end with the convex stop collar 15b The phenomenon that closing part point, effectively increases the leakproofness that connector is assembled with corresponding syringe, avoids the occurrence of drug leakage.It is preferred that , Fig. 2, Fig. 5 and Figure 10 are please referred to, Figure 10 is the vertical cross section of ontology of the invention.As shown in Fig. 2, Fig. 5 and Figure 10, institute The section of the body cavity closed at one end of ontology 2 is stated in U；The bottom 16 of the ontology 2 offers annular groove 21, to prevent from infusing The plastic shrink deformation of ontology 2 is prepared during modeling；In addition, several reinforcing ribs 17 are also provided on the annular groove 21, Several reinforcing ribs 17 are across on annular groove 21, to increase by 2 internal intensity of ontology.In addition, the body cavity bottom of the ontology 2 is set It is calculated as being recessed inwardly, to reduce endoceliac space, further increases sealing effect.

Referring to FIG. 1, in order to enhance the bonding strength between each connector 30a, 30b, 30c, 30d, 40 and ontology 2, The root 14 of four syringe connectors 30a, 30b, 30c, 30d and the root 14 of a guide coupling 40 are through round and smooth It is connect after transition processing with the ontology 2, to increase bonding strength.

Fig. 7 and Fig. 8 is please referred to, Fig. 7 is a main view of rotatable spool in the present embodiment；Fig. 8 is can in the present embodiment Another main view of rotary spool.As shown in Figures 7 and 8, the rotatable spool 7 includes rotatable bar 4 and revolves with described The rotation button 8 of 4 proximal end of bull stick connection, the diameter of the rotation button 8 are greater than the diameter of the rotatable bar 4, the rotatable bar 4 It is placed in the body cavity of the ontology, and the circulation passage 10 is opened in rotatable bar 4.Preferably, the table of the rotation button 8 Face offers a concave and is directed toward notch 12, and for the direction of arrow mark 11 described in aid prompting, the side of the rotation button 8 is set It is equipped with damping striped 9, the surface that the rotation turns round 8 is provided with the arrow mark 11 in 72 ° of angles, and the arrow mark 11 indicates The position of the circulation passage 10 opened up in rotatable spool 7.Specifically, concave, which is directed toward notch 12, meets ergonomic designs, The fitting of medical staff's index finger uses when for holding, and arrow mark 11 and concave are directed toward notch 12 and all play very strong direction work With the two neighboring connector that can be connected to for clearly rotatable 7 current selected of spool.

The plastic shrink deformation for preparing rotatable spool 7 in injection moulding process in order to prevent, opens up recessed on rotatable spool 7 Slot 24 collectively forms specifically, the groove 24 is hollowed out by rotatable bar 4 and rotation button 8 along axis after handling.

In the present embodiment, Fig. 2, Fig. 3, Figure 10 and Figure 12 are please referred to, Figure 12 is in the present embodiment equipped with internal screw rand The structural schematic diagram of the syringe of Rule outer cone locked joints.As shown in Figures 2 and 3, four syringe connectors 30a, 30b, 30c, 30d are to match internal thread Rule outer circle equipped with cone joint is locked in externally threaded Rule with connection Bore the syringe of locked joints (specific structure is as shown in figure 12).Preferably, it is equipped on the guide coupling 40 rotatable Internal screw rand 5, the guide coupling 40 cooperatively forms the Shandong for being furnished with internal screw rand with internal screw rand 5 jointly That outer cone locked joints, for being connected and fixed the medical catheter 6 of Rule female cone locked joints in operation equipped with lug.Tool Body, as shown in Figure 10, concave bayonet 23 and contract type structure 22a, institute are offered on the outside body wall of the guide coupling 40 The inside for stating internal screw rand 5 is provided with contract type structure 22b, and the internal screw rand 5 is assemblied in the guide coupling 40 During, by applying pressure to contract type structure 22a and contract type structure 22b, contract type structure 22a and contract type structure 22b occur Elastic deformation is caught in concave bayonet 23, and internal screw rand 5 is axially fixed at this time, and can be 40 turns with respect to guide coupling It is dynamic.

To obscure in order to avoid subsequent injections device docks equipment with connector, shown medical five-way valve further includes three colour circles, Each colour circle, which respectively corresponds, to be socketed on three syringe connectors, to distinguish in the specification of syringe and syringe that assemble therewith The drug of equipment.

Embodiment two

Fig. 1 and Figure 11 are please referred to, Figure 11 is the assembly figure of medical external member in the present embodiment.It is described as shown in Fig. 1 and Figure 11 Medical external member includes 1, two drug mixing syringe 26,27 of medical five-way valve as described above, injection syringe 28 and auxiliary note Emitter 25, wherein the medical five-way valve 1 is disposed with guide coupling along the circumferential direction of the ontology 2 in the direction of the clock 40, the first syringe connector 30a, the second female connector 30b, third syringe connector 30c and the connection of the 4th syringe Device 30d；Described two drug mixing syringes are connect with the second syringe connector 30b and the third syringe respectively Device 30c connection, described two drug mixing syringes 26,27 piston alternately push away repeatedly pumping it is dynamic after, can get two Drug is uniformly mixed generated medicinal mixture in a drug mixing syringe 26,27；The injection syringe 28 and institute The first syringe connector 30a connection is stated, to collect at least partly described medicinal mixture；The auxiliary syringe 25 with it is described 4th syringe connector 30d connection, to inject paramedicines.

Further, in order to enable each connector and the assembly of corresponding syringe are accurate, the present invention is in described two drugs Be provided with color identifier on mixing syringe 26,27 and the injection syringe 28, the color of specific color identifier with it is each Colour circle solid colour on the corresponding syringe connector assembled of syringe 26,27,28.For example, the first syringe connector 30a On be socketed with light red colour circle 3a, yellowish colour circle 3b, third syringe connector 30c are socketed on the second syringe connector 30b On be socketed with dark red colour circle 3c.It is corresponding, and have on the injection syringe 28 of the first syringe connector 30a Butt Assembling Color identifier is pale red；With the color having on the drug mixing syringe 27 of the second syringe connector 30b Butt Assembling It is identified as faint yellow；With the color identifier having on the drug mixing syringe 26 of third syringe connector 30c Butt Assembling For peony.Remaining 4th syringe connector 30d and auxiliary syringe 25 are connected to each other equipment, similarly, can also be used the The colour circle mode that predetermined color is adjusted on four syringe connector 30d, is arranged the color of corresponding color on auxiliary syringe 25 The mode of mark carries out the two matching docking.

In the present embodiment, described two drug mixing syringes 26,27, the injection syringe 28 and the auxiliary injection The specification of device 25 is respectively as follows: 20ML, 20ML, 3ML and 5ML.Also the syringe of other specifications can be selected, as long as meeting operation drug Volume requirements.

Embodiment three

Present embodiments provide a kind of application method of medical external member.This implementation is described in detail below with reference to Fig. 1 and Figure 11 The application method of the example medical external member.

Firstly, executing step S1, initialize the position where rotatable 7 opposing body of spool 2 so that circulation passage 10 with Second syringe connector 30b is connected to third syringe connector 30c；

Then, step S2 is executed, the two drug mixing syringes 26,27 for having extracted two kinds of drugs to be mixed are distinguished It is assemblied on corresponding two syringe connectors 30b, 30c；

Then, step S3 is executed, the piston for taking out two drug mixing syringes 26,27 is alternately and repeatedly pushed away, so that two medicines Drug in product mixing syringe 26,27 is sufficiently mixed generation mixing drug；

Then, step S4 is executed, injection syringe 28 is assemblied on the first syringe connector 30a, and rotates and can revolve Rotary plate 7, so that circulation passage 10 is connected to the second syringe connector 30b and the first syringe connector 30a；

Then, step S5 is executed, by part institute in the drug mixing syringe 27 assembled with the second syringe connector 30b It states mixing drug to push in injection syringe 28, or is filled using injection syringe 28 from the second syringe connector 30b Drug is mixed described in extraction section in the drug mixing syringe 27 matched；

Then, step S6 is executed, medical catheter 6 is assemblied on guide coupling 40, and rotate rotatable spool 7, with It is connected to circulation passage 10 with the first syringe connector 30a and guide coupling 40；

Then, step S7 is executed, the mixing drug injected in syringe 28 is pushed into medical catheter 6；

Then, step S8 is executed to press again when the mixing drug in the drug mixing syringe (27) is layered The position where rotatable 7 opposing body of spool 2 is initialized according to S1, and is returned and executed S3；

Then, step S9 is executed, the auxiliary syringe 25 for having extracted paramedicines is assemblied in the 4th syringe connector On 30d, and rotatable spool 7 is rotated, so that circulation passage 10 and the 4th syringe connector 30d and guide coupling 40 connect It is logical；

Then, step S10 is executed, the paramedicines in auxiliary syringe 25 are pushed into medical catheter 6.

Drug in two drug mixing syringes 26,27 described in the present embodiment typically respectively iodized oil and Ah mould Element, can also need to be equipped with according to clinic other drugs certainly, and the paramedicines are physiological saline or other drugs.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For method disclosed in embodiment For, as corresponding with structure disclosed in embodiment, so being described relatively simple, related place illustrates referring to structure division ?.

To sum up, in medical five-way valve provided by the present invention, medical external member and its application method, the medical five-way valve Including ontology, rotatable spool, four syringe connectors and a guide coupling；The ontology has body closed at one end Chamber, the rotatable spool are placed in the body cavity of the ontology, offer circulation passage in the rotatable spool；Described four Syringe connector and the guide coupling are uniformly arranged along the circumferential direction of the ontology, and are extended through the body wall of the ontology To the body cavity, the rotatable spool can be rotated relative to the ontology, so that the circulation passage and two companies of arbitrary neighborhood It connects device docking and constitutes communicating passage.Five grades of flexibly switchings may be implemented in the rotatable spool of medical five-way valve of the invention, each Connector is correspondingly connected with corresponding syringe, it is therefore not necessary to as medical three-way valve is related to once or several times by hybrid injection Device and injection syringe are disconnected with it, it is more scientific, conveniently to compare medical three-way valve, and reduce the wind of microbial contamination The risk that danger and medical staff are contacted with the drug in these syringes, to effectively increase the effective of intervention operation Property and safety.

On the other hand, by the way that different colours colour circle is arranged on four syringe connectors, and in the injection equipped therewith The color identifier that corresponding color is arranged on device improves the accuracy of assembly, in turn to avoid the occurrence of the phenomenon that assembly is obscured Improve the validity and safety of operation.

On the other hand, in conjunction with ontology sheet as the structure and concave stop collar and convex stop collar of body cavity closed at one end Structure after matching docking so that the concave stop collar matched with the convex stop collar butted part and ontology closed end it Between be closed portion, and connect using locking cone joint in externally threaded Rule with being locked with internal thread Rule outer cone The syringe assembly of head, effectively increases the leakproofness that syringe connector is assembled with corresponding syringe, avoids the occurrence of drug and let out The phenomenon that dew, and effectively prevent possible connector and collapse the risk that de- rear drug is splashed to medical staff's skin or eyes.

Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims Range.

Claims

1. a kind of medical five-way valve (1) characterized by comprising

Ontology (2) has body cavity closed at one end；

Rotatable spool (7), is placed in the body cavity of the ontology (2), offers circulation passage in the rotatable spool (7) (10)；

Four syringe connectors (30a, 30b, 30c, 30d) and a guide coupling (40), the circumferential direction along the ontology (2) It is uniformly arranged, and the body wall through the ontology (2) extends to the body cavity, the rotatable spool (7) can relatively described Body (2) rotation, so that the circulation passage (10) is docked with two connectors of arbitrary neighborhood constitutes communicating passage.

2. medical five-way valve as described in claim 1, which is characterized in that the body wall upper edge of the ontology (2) is provided with At least one convex limit point (13a), corresponding position is provided with and the convex limit point on the rotatable spool (7) (13a) matched concave limit point (13b).

3. medical five-way valve as claimed in claim 2, which is characterized in that the quantity of the convex limit point (13a) is five, Five convex limit points (13a) correspond to four syringe connectors (30a, 30b, 30c, 30d) and a guide coupling (40) position is uniformly arranged on its body wall upper edge along the circumferential direction of the ontology (2).

4. medical five-way valve as described in claim 1, which is characterized in that be provided on the inside body wall of the ontology (2) recessed Type stop collar (15a) is correspondingly arranged on the body wall of the rotatable spool (7) matched with the concave stop collar (15a) Convex stop collar (15b) seals described when the concave stop collar (15a) is docked with the convex stop collar (15b) matching Gap between body (2) and the rotatable spool (7).

5. medical five-way valve as described in claim 1, which is characterized in that four syringe connectors (30a, 30b, 30c, 30d) and the root of a guide coupling (40) connect after rounding off is handled with the ontology (2).

6. medical five-way valve as described in claim 1, which is characterized in that four syringe connectors (30a, 30b, 30c, It is in 72 ° of angles between two connectors of arbitrary neighborhood 30d) and in a guide coupling (40).

7. medical five-way valve as claimed in claim 6, which is characterized in that the circulation passage is in " V " type, the circulation passage Angle be 72 °.

8. medical five-way valve as claimed in claim 7, which is characterized in that the rotatable spool (7) includes rotatable bar (4) The diameter of the rotation button (8) connecting with rotatable bar (4) proximal end, the rotation button (8) is greater than the rotatable bar (4) Diameter, the rotatable bar (4) is placed in the body cavity of the ontology (2), and the circulation passage (10) be opened in it is rotatable In bar (4).

9. medical five-way valve as claimed in claim 8, which is characterized in that the side of the rotation button (8) is provided with amortisseur bar Line (9), the surface that (8) are turned round in the rotation are provided with the arrow mark (11) in 72 ° of angles, and arrow mark (11) instruction can The position of the circulation passage (10) opened up in rotary spool (7).

10. medical five-way valve as claimed in claim 9, which is characterized in that the surface of the rotation button (8) offers a concave It is directed toward notch (12), the direction for arrow mark (11) described in aid prompting.

11. medical five-way valve as described in claim 1, which is characterized in that four syringe connectors (30a, 30b, 30c, 30d) it is to be connect with connection with the locking of internal thread Rule outer cone equipped with cone joint is locked in externally threaded Rule The syringe of head.

12. medical five-way valve as claimed in claim 11, which is characterized in that the guide coupling (40) is equipped with internal screw thread Rule outer cone locked joints of retainer ring, to connect the medical catheter (6) of Rule female cone locked joints equipped with lug.

13. medical five-way valve as described in claim 1, which is characterized in that further include three colour circles, each colour circle respectively corresponds It is socketed on three syringe connectors (30a, 30b, 30c), is filled with distinguishing in the specification of syringe and syringe that assemble therewith Standby drug.

14. a kind of medical external member characterized by comprising the medical five-way valve as described in any one of claim 1~13 (1), two drug mixing syringes (26,27), injection syringe (28) and auxiliary syringe (25), wherein

The medical five-way valve (1) along the circumferential direction of the ontology (2) be disposed in the direction of the clock guide coupling (40), First syringe connector (30a), the second syringe connector (30b), third syringe connector (30c) and the 4th syringe Connector (30d)；

Described two drug mixing syringes are connect with the second syringe connector (30b) and the third syringe respectively Device (30c) connection, described two drug mixing syringes (26,27) piston alternately push away repeatedly pumping it is dynamic after, can obtain It obtains drug in two drug mixing syringes (26,27) and is mutually mixed generated medicinal mixture；The injection syringe (28) it is connect with the first syringe connector (30a), to collect at least partly described medicinal mixture；The auxiliary injection Device (25) is connect with the 4th syringe connector (30d), to inject paramedicines.

15. medical external member as claimed in claim 14, which is characterized in that described two drug mixing syringes (26,27) and Color identifier is provided on the injection syringe (28), the color identifier and each syringe (26,27,28) are corresponding Colour circle solid colour on the syringe connector of assembly.

16. medical external member as claimed in claim 14, which is characterized in that described two drug mixing syringes (26,27), institute The specification for stating injection syringe (28) and the auxiliary syringe (25) is respectively as follows: 20ML, 20ML, 3ML and 5ML.

17. a kind of application method of medical external member characterized by comprising

S1: initializing the position where rotatable spool (7) opposing body (2), so that circulation passage (10) and the second syringe Connector (30b) is connected to third syringe connector (30c)；

S2: two drug mixing syringes (26,27) for having extracted two kinds of drugs to be mixed are assemblied in corresponding two respectively On a syringe connector (30b, 30c)；

S3: alternately and repeatedly pushing away the piston for taking out two drug mixing syringes (26,27), so that two drug mixing syringes (26, 27) drug in is sufficiently mixed generation mixing drug；

S5: the part drug that mixes in the drug mixing syringe (27) assembled with the second syringe connector (30b) is pushed away It send into injection syringe (28), or utilizes injection syringe (28) from the medicine assembled with the second syringe connector (30b) Drug is mixed described in extraction section in product mixing syringe (27)；

S6: medical catheter (6) is assemblied on guide coupling (40), and rotates rotatable spool (7), so that circulation passage (10) it is connected to the first syringe connector (30a) and guide coupling (40)；

S8: it when the mixing drug in the drug mixing syringe (27) is layered, is initialized again according to S1 rotatable Position where spool (7) opposing body (2), and return and execute S3；

S9: the auxiliary syringe (25) for having extracted paramedicines is assemblied on the 4th syringe connector (30d), and rotating can Rotary spool (7), so that circulation passage (10) is connected to the 4th syringe connector (30d) and guide coupling (40)；