CN209019702U - A kind of extension tube matched with micro-injection pump - Google Patents

Abstract

The utility model relates to field of medical technology, especially a kind of extension tube matched with micro-injection pump, being somebody's turn to do extension tube matched with micro-injection pump includes tube body, filter screen, adding mouth, switching valve, the first connector, the second connector and telescopic device.The filter screen can effectively filter out the impurity in liquid, reduce the risk of infant adverse reaction, the adding mouth is for adding drug, the switching valve is for switching medical fluid and effectively bacterium and air being prevented to enter the tube body, the tube body both ends are separately connected the first connector and the second connector, first connector is equipped with clamping device, second connector is internal thread structure, tube body both ends can be made firmly to connect with micro-injection pump and remaining needle connector interface, the telescopic device can make tube body free extension, and syringe needle is avoided surprisingly to extract.The utility model can convenient replacing drug, it is simple and practical in structure.

Description

A kind of extension tube matched with micro-injection pump

Technical field

The utility model relates to arrive field of medical technology, especially a kind of extension tube matched with micro-injection pump.

Background technique

Micro-injection pump, using very extensively, is mainly used for children with serious disease and newborn in paediatrics in clinical position, has stream Velocity modulation section, continuity, micro infusion function.Existing extension tube matched with micro-injection pump haves the shortcomings that many.First aid In therapeutic process, it is often required to dosing at any time, a variety of drugs cannot be used simultaneously, directly affect the rescue and treatment of infant, is used It needs to replace liquid at any time in the process, easily enters air, the length of existing extension tube matched with micro-injection pump, which exists, to be lacked It falling into, length is too short, is easy to extract pillow surprisingly, and length is too long, it is easy that tube body is made to knot, during injection, extension tube It is easy to fall off with syringe.

Utility model content

In order to overcome above-mentioned drawback, the utility model provides a kind of extension tube matched with micro-injection pump, can be certainly By firmly connecting with syringe and remaining needle connector interface, facilitate addition drug and switching drug, additionally it is possible to free extension.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of extension tube matched with micro-injection pump, including tube body, the first connector, the second connector, filter screen and Extension, the tube body both ends are connect with first connector and second connector respectively, and first connector is used It is connect in syringe, for second connector for connecting with remaining needle connector interface, the filter screen is set to the tube body Interior, on the tube body, first connector is equipped with clamping device for the extension site, and the clamping device includes adjusting Part, fixing piece and clamping element, the regulating part extend an extension rod, and the extension rod is equipped with groove and is inserted into the fixing piece Interior, the fixing piece is equipped with two grooves, and the clamping element is equipped with rack gear and both ends and is respectively placed on the groove, the groove with The rack gear intermeshing, second connector has internal screw thread and is threadedly coupled with the remaining needle connector interface, described Extension both ends are respectively equipped with fitting, and the fitting is connected by spring, and the spring is cased with protective film, it is a kind of with it is micro The matched extension tube of syringe pump further includes switching valve and adding mouth, and the switching valve includes outer valve and internal valve, and the outer valve includes First interface, second interface and third interface, the first interface and the third interface are connect with the tube body respectively, described Internal valve is equipped with first passage and second channel, and rotating the internal valve can make the first interface pass through first passage and the third Interface is connected or the second interface is connected by second channel and the third interface, and the adding mouth is set on the tube body And between the switching valve and second connector.

Further, the fitting includes Coupling and shackle member, and the Coupling is equipped with socket, the spring two End is inserted in respectively in the socket, and the shackle member engages with the Coupling and the spring is fixed on the socket It is interior.

Further, the switching valve is equipped with skid-proof point and arrow.

Further, the outer valve and the internal valve junction are equipped with adhesive tape.

The utility model has the beneficial effects that filter screen can set on-liquid contaminant filter, tube body with syringe connecting pin There is clamping device, tube body can be made to be bonded with syringe, tube body is threadedly coupled with remaining needle connector interface end, avoids tube body The case where being easy to fall off with syringe needle, the switching valve that tube body is equipped with convenient replacing drug and can avoid air from entering tube body, medicine Object can be easily injected into tube body in adding mouth, and the extension for being somebody's turn to do extension tube matched with micro-injection pump has spring knot Structure is that tube body being capable of free extension.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the extension tube of one better embodiment of the utility model.

Fig. 2 is the clamping device structural schematic diagram of the extension tube of one better embodiment of the utility model.

Fig. 3 is the switch valve structure schematic diagram of the extension tube of one better embodiment of the utility model.

Fig. 4 is the fitting structural schematic diagram of the extension tube of one better embodiment of the utility model.

In figure, 1- tube body, 11- extension, 111- spring, 112- protective film, 12- fitting, 121- Coupling, 1211 sets Interface, 1212- snap rings, 122- shackle member, 1221- clamping ring, 2- filter screen, 3- adding mouth, 4- switching valve, the outer valve of 41-, 411- first interface, 412- second interface, 413- third interface, 42- internal valve, 421- first passage, 422- second channel, 423- Skid-proof point, 424- arrow, the first connector of 5-, 51- clamping device, 511- regulating part, 512- extension, 5121- groove, 513- fixing piece, 5131- notch, 514- clamping element, 5141- rack gear, the second connector of 6-, 61- screw thread, 7- indwelling adapter connect Mouthful.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more related listed items.

Please referring also to Fig. 1 to Fig. 4, one of the present embodiment extension tube matched with micro-injection pump include tube body 1, First connector 5, the second connector 6, filter screen 2, extension 11, switching valve 4 and adding mouth 3.

1 both ends of tube body are connect with the first connector 5 and the second connector 6 respectively, and the first connector 5 is used to connect with syringe It connects, the second connector 6 with remaining needle connector interface 7 for connecting, and filter screen 2 is set in tube body 1, and extension 11 is located at tube body 1 On.

First connector 5 is equipped with clamping device 51, and clamping device 51 includes regulating part 511, fixing piece 513 and clamping element 514, regulating part 511 extends an extension rod 512, and extension rod 512 is equipped with groove 5121 and is inserted into fixing piece 513, fixing piece 513 are equipped with two grooves 5131, and clamping element 514 is equipped with rack gear 5141 and both ends are respectively placed on groove 5131, groove 5121 and tooth Item 5141 is intermeshed.In the present embodiment, clamping element 514 is string configuration, when rotation regulating part 511, clamping element 514 On rack gear 5141 moved on groove 5131 by the groove 5121 on extension rod 512, make clamping element 514 and fixing piece 513 The annulus area of formation reduces or increases, and the first connector 5 is made mutually to clamp or loosen with syringe.When injection, adjusting is screwed Part 511 makes the first connector 5 clamp syringe, and the first connector 5 is avoided to be detached from syringe.

In the present embodiment, the second connector 6 has internal screw thread 61, and remaining needle connector interface 7 is correspondingly provided with screw thread, makes the Two connectors 6 are threadedly coupled with indwelling needle interface 7.The helicitic texture of second connector 6 and indwelling needle interface 7 makes them not It is easily detached from and increases safety.

In the present embodiment, extension 11 is telescopic gauffer flexible glue, and 11 both ends of extension are respectively equipped with fitting 12, Fitting 12 is connected by spring 111, and spring 111 is cased with protective film.Fitting 12 includes Coupling 121 and shackle member 122, set Fitting 121 is equipped with socket 1211 and snap rings 1212, and 111 both ends of spring are inserted in respectively in the socket 1211, shackle member 122 are equipped with clamping ring 1221, and clamping ring 1221 is mutually clamped with snap rings 1212, connect Coupling 121 with shackle member 122 And spring 111 is fixed in socket 1211.Under the action of spring 111, extension makes to shorten not stressing, in stress It elongates, avoids that tube body 1 is too short to extract syringe needle surprisingly and the case where tube body too long easy knotting.Protection is cased on spring 111 Film can be avoided infant and be accidentally injured by spring 111.The structure of fitting 12 keeps spring 111 easy to disassemble, repeats after disinfection It uses.

In the present embodiment, switching valve 4 includes outer valve 41 and internal valve 42, and outer valve 41 includes first interface 411, second interface 412 and third interface 413, first interface 411 and third interface 413 connect respectively with tube body 1, internal valve 42 be equipped with first passage 421 and second channel 422, rotation internal valve 42 can be such that first interface 411 connects by first passage 421 and third interface 413, Internal valve, which turns to another direction, to be made, and second interface 412 is connected by second channel 422 and third interface 413.Need replacing drug When, internal valve 41 is turned into another direction, it is convenient and efficient.In the present embodiment, switching valve 4 is located at close to the first connector Out, prevent infant from accidentally touching.Switching valve 4 is equipped with skid-proof point 423 and arrow 424, and medical worker is made to facilitate switching and clearly know Road at this time used by channel.Outer valve 41 is equipped with adhesive tape with 42 junction of internal valve, increases the leakproofness of switching valve 41, avoids air Into tube body 1.

In the present embodiment, adding mouth 3 is set on tube body 1 and between switching valve 4 and the second connector 6, in first aid In therapeutic process, it is often required to dosing object at any time, adding mouth 3 can make medical staff that drug is rapidly injected in tube body 1.

In the present embodiment, filter screen 2 is between adding mouth 3 and extension 11.The rubber plug of bottling liquid bottleneck makes With the problem of being fallen off with colloidal impurity during syringe and Chinese Traditional Medicines are due to technology or pharmaceutical incompatibility, can go out There is the similar the same impurity of the dregs of a decoction in existing drug response.Filter screen 2 can fall these contaminant filters, prevent from entering in human body, right Human body damages.

In use, using when will have 50ml medical fluid syringe venting air, be placed in the cylinder seat semicircle of micro-injection pump In slot, syringe convex surface should be close to cylinder seat, push slide to the state of injecting, after syringe is vented, the first connector 5 and injection Device connection makes clamping element 514 to the first connector 5 and syringe junction by screwing the regulating part 511 in clamping device 51 It is clamped, the second connector 6 is threadedly coupled with remaining needle connector interface 7, and consolidation process is done in 1 both ends junction of tube body, makes it It will not fall off.When moving, extension 11 elongates infant under the action of spring 112, not will lead to syringe needle and is accidentally withdrawn, Under free state, extension 11 is short by drawing, and tube body 1 is avoided to knot or turn up, and drug circulation is caused to be blocked.

When needing replacing drug, only by the second interface 412 of drug injection to switching valve 4 and internal valve 42 need to be rotated, made 424 direction of arrow is directed toward at second interface 412, and first interface 411 is blocked, and drug flows into tube body from second interface 412 1.When needing to add drug, injected from adding mouth 3.

Claims (4)

1. a kind of extension tube matched with micro-injection pump, which is characterized in that including tube body (1), the first connector (5), second Connector (6), switching valve (4), adding mouth (3), filter screen (2) and extension (11), tube body (1) both ends respectively with it is described First connector (5) and second connector (6) connection, first connector (5) with syringe for connecting, and described the For connecting with remaining needle connector interface (7), the filter screen (2) is set in the tube body (1) two connectors (6), described to prolong Long portion (11) is located on the tube body (1)；

First connector (5) is equipped with clamping device (51), and the clamping device (51) includes regulating part (511), fixing piece (513) and clamping element (514), the regulating part (511) are extended an extension rod (512), and the extension rod (512) is equipped with groove (5121) it and is inserted into the fixing piece (513), the fixing piece (513) is equipped with two grooves (5131), the clamping element (514) Equipped with rack gear (5141) and both ends are respectively placed on the groove (5131), the groove (5121) and the rack gear (5141) phase Mutually engagement；

Second connector (6) has internal screw thread (61) and is threadedly coupled with the remaining needle connector interface (7), the extension Portion (11) both ends are respectively equipped with fitting (12), and the fitting (12) is connected by spring (111), spring (111) set There is protective film；

The switching valve (4) includes outer valve (41) and internal valve (42), and the outer valve (41) includes first interface (411), second connects Mouthful (412) and third interface (413), the first interface (411) and the third interface (413) respectively with the tube body (1) Connection, the internal valve (42) are equipped with first passage (421) and second channel (422), and described the can be made by rotating the internal valve (42) One interface (411) is connected by the first passage (421) and the third interface (413) or the second interface (412) is logical It crosses the second channel (422) and the third interface (413) is connected, the adding mouth (3) is set on the tube body (1) and position Between the switching valve (4) and second connector (6).

2. one kind according to claim 1 extension tube matched with micro-injection pump, it is characterised in that: the fitting It (12) include Coupling (121) and shackle member (122), the Coupling (121) is equipped with socket (1211), the spring (111) both ends are inserted in respectively in the socket (1211), and the shackle member (122) engages with the Coupling (121) and will The spring (111) is fixed in the socket (1211).

3. one kind according to claim 1 extension tube matched with micro-injection pump, it is characterised in that: the switching valve (4) skid-proof point (423) and arrow (424) are equipped with.

4. one kind according to claim 1 extension tube matched with micro-injection pump, it is characterised in that: the outer valve (41) Adhesive tape is equipped with the internal valve (42) junction.