CN218552828U - Anti-drop infusion apparatus plug - Google Patents

Abstract

The utility model discloses an anticreep transfusion system plug, including the needle body, set up needle file and the scavenge port of downside in needle body circumference and install the transfer line connector at the needle body lower extreme, the scavenge port can take a breath, and built-in filterable breather plug, perhaps the scavenge pipe of that kind of old-fashioned is prior art. Still including seting up at needle body circumference upside annular holding tank, leave the interval that holds infusion bottle plug thickness between the lower extreme of holding tank and the needle file, and install annular elastic latex film in the holding tank, form between latex film and the holding tank and aerify the chamber, and the circumference face of latex film contraction state down is unanimous with the circumference face of needle body in order to conveniently insert the infusion bottle. The holding cavity is connected with a catheter from the inner side of the needle body, the catheter penetrates out of the circumferential lower side of the needle body and then is connected with a connecting pipe, and the connecting pipe is connected with an air blowing mechanism which is used for ventilating the holding cavity. The air blowing mechanism can blow air to the accommodating cavity, and can realize locking after the air blowing, so that air leakage is avoided.

Description

Anti-drop infusion apparatus plug

Technical Field

The utility model relates to an infusion set plug anticreep field specifically is an anticreep infusion set plug.

Background

The transfusion can be used as an infusion bottle and an infusion apparatus, and the medicine is stored in the infusion bottle and is delivered to the body of a patient through the infusion apparatus. Present transfusion system plug, roughly be cylindricly, the upper end is more sharp, can insert in the infusion bottle from the bottle plug, this kind of structure is more convenient, but also has the shortcoming, that is exactly, the surface is more smooth, to children, like to walk about, drop very easily, after droing, caused the pollution, need change the transfusion system, children prick the needle still will be crime like this, the waste of transfusion system has also been caused, consequently, how to realize the anticreep of transfusion system plug, the problem that this field technical staff urgently needed to solve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anticreep transfusion system plug to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anticreep transfusion system plug, includes the needle body, sets up needle file and the scavenge port in needle body circumference downside and installs the transfer line connector at the needle body lower extreme, and the scavenge port can take a breath, and built-in filterable scavenge plug, perhaps that kind of old-fashioned scavenge pipe are prior art. Still including seting up at the annular holding tank of needle body circumference upside, leave the interval that holds infusion bottle plug thickness between the lower extreme of holding tank and the needle file, and install annular elastic latex film in the holding tank, form between latex film and the holding tank and aerify the chamber, and the circumference face of latex film contraction state down is unanimous with the circumference face of needle body in order to conveniently insert the infusion bottle. It should be noted that, the holding tank must be arranged, the latex film is mainly convenient to mount, and after the latex film is mounted, the circumferential surface and the circumferential surface of the needle body are ensured to be in the same curved surface, so that the latex film cannot be clamped and is smooth when being inserted into a bottle stopper of an infusion bottle, and the upper end and the lower end of the latex film are fixed on the inner cavity of the holding tank, so that a holding cavity can be formed.

The holding cavity is connected with a catheter from the inner side of the needle body, the catheter penetrates out of the circumferential lower side of the needle body and then is connected with a connecting pipe, and the connecting pipe is connected with an air blowing mechanism which is used for ventilating the holding cavity. The air blowing mechanism can blow air to the accommodating cavity, and can realize locking after the air blowing, so that air leakage is avoided.

Preferably, the catheter is fixed to the inner wall of the needle body. Reduce the space and occupy, also avoid rocking in the inboard, can be the same material with the needle body.

Preferably, the mechanism of blowing is including connecting the elastic emulsion ball at the connecting tube tip, and the emulsion ball can be to holding chamber injection gas or liquid under self elastic deformation, and still be provided with the switch on the connecting tube. It should be noted that, latex ball itself here is in the tensioning state, therefore, under the natural state, holds the chamber and can dash and have gas, is in the collision state, and when inserting the bottle plug, latex film can be extruded, and inside gas can enter into the latex ball in, when treating that latex film enters into the bottle plug inboard, the inflation again, and at this moment, the switch is closed, realizes the lock and dies, avoids the needle body to receive the force slippage downwards.

Preferably, the switch is a pinch switch for the drainage bag. The pinch switch saves trouble, makes things convenient for one-hand operation, can be similar to the switch of drainage bag bottom here, also can be that kind of buckle formula switch of pressing from both sides closed drainage tube, all more convenient.

Preferably, the air blowing mechanism comprises a cylindrical piston barrel connected to the tail end of the connecting pipe and a piston installed in the piston barrel, the piston is connected with a piston rod penetrating out of the piston barrel downwards, a handle is arranged at the end of the piston rod, the piston rod is in threaded connection with the lower end of the piston barrel, and an air inlet hole is formed in the lower end of the piston barrel. The piston rod is in threaded connection with the piston cylinder, so that locking is realized, sliding is avoided, and the connection between the heparin cap and the syringe is not adopted. The piston cylinder is similar to an injection cylinder of an injector, and is different in that the bottom of the piston cylinder is closed, a circular hole through which a piston rod penetrates is reserved, the cross section of the piston cylinder is also circular, and the piston can rotate around the piston cylinder or the piston rod is rotatably connected with the piston.

Preferably, the piston cylinder is detachably connected with the connecting pipe. The piston cylinder is convenient to install and produce, and meanwhile, the piston cylinder part can be reused after being disinfected by the same patient, so that the cost is reduced.

Preferably, the end of the connecting pipe is provided with a joint, and the upper end of the piston cylinder is provided with a plug in threaded connection with the joint so as to realize detachable connection. Through connecting with the plug, realize dismantling.

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

1. the latex ball has elasticity, impel and hold the chamber and aerify or wash by water, when the needle body inserts the bottle plug, the latex membrane is extruded, accomodate in the holding tank, unnecessary gas or water are sent into the latex ball and are stored, the latex ball is in the state of tightening, after the needle body inserts, the latex membrane enters into the bottle plug inboard, under the tension of latex ball, gas or liquid enter into again and hold the chamber, make the latex membrane inflation, pinch the switch this moment, realize locking, the expanded latex membrane then avoids the needle body slippage, realize the anticreep, when needing to extract, open the switch, then the pull needle body, the latex membrane is extruded, shrink into the holding tank once more, for ordinary fixed, here only need pinch the switch can, it is very simple and convenient, simultaneously, after opening the switch, pinch the latex ball, can make the expanded latex membrane bigger, the anticreep effect is better;

2. the accommodating groove is formed in the circumferential direction of the needle body, so that the latex film can be conveniently installed and accommodated, and when the bottle stopper is inserted, the latex film cannot be protruded and clamped, so that the insertion is smoother and more natural;

3. insert the bottle plug with the needle body, through twist grip after that, remove piston rod and piston, aerify or fill water holding the chamber, make the emulsion membrane inflation, realize the anticreep, here piston rod and piston cylinder threaded connection realize automatic locking, when needing to extract the needle body, the reversal handle can, here only need twist grip can realize locking and open simple and convenient. The diameter of the piston can be larger, and the air charging and discharging or the water charging and discharging can be realized by rotating the piston once, so that the operation is simpler.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an isometric view of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

fig. 5 is an isometric view of a second embodiment of the present invention;

fig. 6 is an exploded view of a second embodiment of the present invention.

In the figure: 1. a needle body; 11. a ventilation port; 2. accommodating a tank; 21. a latex film; 22. a conduit; 23. a connecting pipe; 24. latex balls; 25. a switch; 3. a piston cylinder; 31. a piston; 32. a piston rod; 33. a handle; 34. and (4) a plug.

Detailed Description

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

Example 1

Referring to fig. 1 to 3, the utility model provides a technical solution of an anti-drop infusion apparatus plug: the utility model provides an anticreep transfusion system plug, includes needle body 1, sets up needle file and scavenge port 11 and installs the transfer line connector at 1 lower extreme of needle body in 1 circumference downside of needle body, and scavenge port 11 can take a breath, and built-in filterable scavenge plug, perhaps that kind of old-fashioned scavenge pipe are prior art. Still including seting up at 1 circumference upside annular holding tank 2 of needle body, leave the interval that holds infusion bottle plug thickness between the lower extreme of holding tank 2 and the needle file, and install annular elastic emulsion membrane 21 in the holding tank 2, form between emulsion membrane 21 and the holding tank 2 and aerify the chamber, and emulsion membrane 21 shrink state down the circumference face unanimous with the circumference face of needle body 1 in order to conveniently insert the infusion bottle. It should be noted that, the accommodating groove 2 must be provided, which is mainly convenient for installing the latex film 21, after the latex film 21 is installed, it is ensured that the circumferential surface and the circumferential surface of the needle body 1 are on the same curved surface, so that the latex film 21 cannot be clamped and is very smooth when being inserted into the stopper of the infusion bottle, and the upper end and the lower end of the latex film 21 are fixed on the inner cavity of the accommodating groove 2, so that an accommodating cavity can be formed, if the accommodating groove 2 is not provided, the latex film 21 is directly fixed in the circumferential direction of the needle body 1, the convex latex film 21 can be clamped when being inserted, and the latex film 21 is easy to fall off due to scratching.

The accommodating cavity is connected with a catheter 22 from the inner side of the needle body 1, and the catheter 22 is fixed on the inner wall of the needle body 1. The space occupation is reduced, the inner side shaking is avoided, and the needle body can be made of the same material as the needle body 1. And the catheter 22 penetrates out of the circumferential lower side of the needle body 1 and then is connected with a connecting pipe 23, and the connecting pipe 23 is connected with an air blowing mechanism for ventilating the accommodating cavity. The air blowing mechanism can blow air to the accommodating cavity, and can realize locking after the air blowing, so that air leakage is avoided.

The air blowing mechanism comprises an elastic latex ball 24 connected to the end of the connecting pipe 23, the latex ball 24 can inject gas or liquid into the accommodating cavity under the elastic shape of the latex ball, and a switch 25 is further arranged on the connecting pipe 23. It should be noted that latex ball 24 itself here is in the tensioning state, therefore, under the natural state, holds the chamber and can dash and have gas, is in the collision state, when inserting the bottle plug, and latex film 21 can be extruded, and inside gas can enter into latex ball 24, treats that latex film 21 enters into the bottle plug when inboard, expands again, and at this moment, closes switch 25, realizes locking, avoids the needle body 1 slippage of atress downwards. The switch 25 is a pinch switch for the drainage bag. The pinch switch saves trouble, makes things convenient for one-hand operation, can be similar to the switch of drainage bag bottom here, also can be that kind of buckle formula switch of pressing from both sides closed drainage tube, all more convenient.

Example 2

Referring to fig. 4 to 6, the utility model provides a technical solution of an anti-drop infusion apparatus plug: the utility model provides an anticreep transfusion system plug, includes needle body 1, sets up needle file and scavenge port 11 and installs the transfer line connector at 1 lower extreme of needle body in 1 circumference downside of needle body, and scavenge port 11 can take a breath, and built-in filterable scavenge plug, perhaps that kind of old-fashioned scavenge pipe are prior art. Still including seting up at 1 circumference upside annular holding tank 2 of needle body, leave the interval that holds infusion bottle plug thickness between the lower extreme of holding tank 2 and the needle file, and install annular elastic emulsion membrane 21 in the holding tank 2, form between emulsion membrane 21 and the holding tank 2 and aerify the chamber, and emulsion membrane 21 shrink state down the circumference face unanimous with the circumference face of needle body 1 in order to conveniently insert the infusion bottle. It should be noted that, the accommodating groove 2 must be provided, which is mainly convenient for installing the latex film 21, after the latex film 21 is installed, it is ensured that the circumferential surface and the circumferential surface of the needle body 1 are on the same curved surface, so that the latex film 21 cannot be clamped and is very smooth when being inserted into the stopper of the infusion bottle, and the upper end and the lower end of the latex film 21 are fixed on the inner cavity of the accommodating groove 2, so that an accommodating cavity can be formed, if the accommodating groove 2 is not provided, the latex film 21 is directly fixed in the circumferential direction of the needle body 1, the convex latex film 21 can be clamped when being inserted, and the latex film 21 is easy to fall off due to scratching.

The accommodating cavity is connected with a catheter 22 from the inner side of the needle body 1, and the catheter 22 is fixed on the inner wall of the needle body 1. Reduce the space and occupy, also avoid rocking in the inboard, can be the same material with needle body 1. And the catheter 22 penetrates out of the circumferential lower side of the needle body 1 and then is connected with a connecting pipe 23, and the connecting pipe 23 is connected with an air blowing mechanism for ventilating the accommodating cavity. The air blowing mechanism can blow air to the accommodating cavity, and can realize locking after the air blowing, so that air leakage is avoided.

The mechanism of blowing is including connecting at the terminal cylindrical piston barrel 3 of connecting pipe 23 and installing the piston 31 in piston barrel 3, and piston 31 is connected with the piston rod 32 of wearing out piston barrel 3 downwards, and the tip of piston rod 32 is provided with handle 33, and the lower extreme threaded connection of piston rod 32 and piston barrel 3, and the inlet port has been seted up to the lower extreme of piston barrel 3. The piston rod 32 is in threaded connection with the piston cylinder 3 to realize locking and avoid sliding, and the connection between the heparin cap and the syringe is not adopted, mainly because the heparin cap can be pulled, but when the heparin cap is inserted into an infusion bottle, the extrusion force is large, liquid leakage is easily caused, and the safety is not high enough. The piston cylinder 3 is similar to a syringe of a syringe, and is different in that the bottom is closed, a circular hole is reserved for the piston rod 32 to pass through, the cross section of the piston cylinder 3 is also circular, the piston 31 can rotate around the piston cylinder 3, and the piston rod 32 can be rotatably connected with the piston 31.

The piston cylinder 3 is detachably connected to the connecting tube 23. The installation and the production are convenient, and simultaneously, the piston cylinder 3 can be reused after being sterilized for the same patient, so that the cost is reduced. The end of the connecting pipe 23 is provided with a joint, and the upper end of the piston cylinder 3 is provided with a plug 34 threadedly coupled with the joint to achieve detachable connection. The detachable connection is realized by the connection of a connector and a plug 34.

The working principle is as follows: latex ball 24 has elasticity, it aerifys or washes by water to make to hold the chamber, when needle body 1 inserts the bottle plug, latex film 21 is extruded, accomodate in holding tank 2, unnecessary gas or water are saved in being sent into latex ball 24, latex ball 24 is in the state of tightening, needle body 1 inserts afterwards, latex film 21 enters into the bottle plug inboardly, under latex ball 24's tension, gas or liquid enter into once more and hold the chamber, make latex film 21 inflation, pinch switch 25 this moment, realize the lock die, expanded latex film 21 then avoids the slippage of needle body 1, realize the anticreep, when needing to extract, open switch 25, then pull needle body 1, latex film 21 is extruded, shrink again in holding tank 2, for ordinary fixed, here only need pinch switch 25 can, very simple and convenient, and simultaneously, open behind the switch 25, pinch latex ball 24, can make latex film 21 expanded bigger, the anticreep effect is better. The 1 circumference of needle body here has set up holding tank 2, and the installation of the emulsion membrane 21 of being convenient for is accomodate, when inserting the bottle plug, can not the protrusion card, makes to insert more smoothly nature. Insert the bottle plug with needle body 1, then through twist grip 33, remove piston rod 32 and piston 31, aerify or fill water to holding the chamber, make emulsion membrane 21 inflation, realize the anticreep, here piston rod 32 and 3 threaded connection of piston cylinder realize automatic locking, when needing to extract needle body 1, reverse twist grip 33 can, here only need twist grip 33 can realize locking and open simple and convenient. The diameter of the piston 31 can be larger, and the air charging and discharging or the water charging and discharging can be realized by rotating once, so that the operation is simpler.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an anticreep transfusion system plug, includes needle body (1), sets up needle file and scavenge port (11) and install the transfer line connector at needle body (1) lower extreme in needle body (1) circumference downside, its characterized in that: the infusion bottle is characterized by further comprising an annular accommodating groove (2) formed in the circumferential upper side of the needle body (1), a distance for accommodating the thickness of a bottle stopper of the infusion bottle is reserved between the lower end of the accommodating groove (2) and the needle base, an annular elastic latex film (21) is installed in the accommodating groove (2), an inflation cavity is formed between the latex film (21) and the accommodating groove (2), and the circumferential surface of the latex film (21) is consistent with the circumferential surface of the needle body (1) in the contraction state so that the infusion bottle can be conveniently inserted;

the accommodating cavity is connected with a conduit (22) from the inner side of the needle body (1), the conduit (22) penetrates out of the circumferential lower side of the needle body (1) and then is connected with a connecting pipe (23), and the connecting pipe (23) is connected with an air blowing mechanism for ventilating the accommodating cavity.

2. The anti-drop infusion set plug according to claim 1, wherein: the catheter (22) is fixed on the inner wall of the needle body (1).

3. The anti-drop infusion set plug according to claim 2, wherein: the air blowing mechanism comprises an elastic latex ball (24) connected to the end of the connecting pipe (23), the latex ball (24) can inject gas or liquid into the accommodating cavity under the elastic shape of the latex ball, and a switch (25) is further arranged on the connecting pipe (23).

4. The anti-drop infusion set plug according to claim 3, wherein: the switch (25) is a pinching switch for the drainage bag.

5. The anti-drop infusion set plug according to claim 2, wherein: the air blowing mechanism comprises a columnar piston cylinder (3) connected to the tail end of the connecting pipe (23) and a piston (31) installed in the piston cylinder (3), the piston (31) is connected with a piston rod (32) penetrating out of the piston cylinder (3) downwards, a handle (33) is arranged at the end of the piston rod (32), the piston rod (32) is in threaded connection with the lower end of the piston cylinder (3), and an air inlet hole is formed in the lower end of the piston cylinder (3).

6. The anti-drop infusion set plug according to claim 5, wherein: the piston cylinder (3) is detachably connected with the connecting pipe (23).

7. The anti-drop infusion set plug according to claim 6, wherein: the end part of the connecting pipe (23) is provided with a joint, and the upper end of the piston cylinder (3) is provided with a plug (34) in threaded connection with the joint so as to realize detachable connection.

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