CN209301882U - A kind of infusion apparatus pierces device with anti-needle-penetration and includes its infusion apparatus - Google Patents

Abstract

The utility model discloses a kind of infusion apparatus anti-needle-penetration thorn device and comprising its infusion apparatus, infusion apparatus pierces device, including puncture needle, needle stand and pricker device with anti-needle-penetration；One end in puncture needle axial direction is flush end, the other end in puncture needle axial direction is tip, and puncture needle is equipped with axially disposed through-hole；Needle stand is equipped with axially disposed through-hole, and one end of needle stand is docked with the flush end of puncture needle；Pricker device includes pricker pipe, and one end end of pricker pipe is equipped with pricker plug, and pricker pipe is connected on the side wall of needle stand, and the tip for being equipped with pricker plug one end and puncture needle is supported or opposed setting.The utility model had both avoided pull out needle after shaken because of scalp acupuncture caused by the generation stabbed of needle, in turn avoid infusion bottle because scalp acupuncture returns insert caused by pollution, implemented conducive to garbage classification processing specification in institute, while reducing the economic loss of hospital and department；Falling off for puncture needle is also effectively prevented, ensure that the stability of infusion；Also solve the problems such as laborious when puncturing bottle stopper.

Description

Anti-needle puncture device for infusion set and infusion set containing it

technical field

The utility model relates to an anti-acupuncture puncturer for an infusion set and an infusion set containing it, which belongs to the field of medical auxiliary products.

Background technique

The infusion set is a common medical consumable, which is sterile-processed and established as a channel between the vein and the liquid medicine for intravenous infusion. The infusion set is generally composed of eight parts such as an intravenous needle or injection needle, a needle cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip pot, a cork puncturer, and an air filter. Some infusion sets also have Injection parts, dosing ports, etc.

After the infusion, medical staff are easily stabbed by injection needles, etc. during the process of handling infusion sets and infusion bottles, or in the process of sorting out infusion garbage. Studies have shown that more than 20 kinds of blood-borne infections can be transmitted by needlestick injuries. 80%-90% of healthy medical staff suffering from blood-borne infectious diseases are caused by needle-stick injuries; and in clinical work, when nurses handle needles after the infusion, in order to avoid needle-stick injuries caused by shaking the needle left and right, often The polluted scalp needle will be inserted back into the infusion bottle, resulting in contamination of the infusion bottle, which will cause great economic losses to departments and hospitals. Further, the existing infusion set also has problems such as easy falling off and laborious puncture of the bottle stopper.

Utility model content

In order to solve the problems of needle sticks and the like in the prior art, the utility model provides an anti-needle puncture device for an infusion set and an infusion set containing it.

In order to solve the problems of the technologies described above, the technical scheme adopted in the utility model is as follows:

An anti-needle puncture device for an infusion set, comprising a puncture needle, a needle seat and a needle puncture device; one end of the puncture needle axially is a flat end, the other end of the puncture needle axially is a sharp end, and the puncture needle is provided with a The needle seat is provided with a through hole arranged in the axial direction, and one end of the needle seat is docked with the flat end of the puncture needle; the needle lancet includes a needle tube, and one end of the needle tube is provided with a needle plug, and the needle tube is connected to the needle On the side wall of the seat, and one end of the puncture needle plug is provided and the tip of the puncture needle is set back.

When in use, one end of the needle holder is docked with the flat end of the puncture needle, and the other end is docked with the infusion tube of the infusion set; as common sense, the infusion tube of the above-mentioned infusion set is also the infusion hose. The piercer is also the cork piercer.

After the infusion, the medical staff can directly insert the injection needle into the puncture plug of the puncture tube. The puncture plug can be made of easy-to-pierce material, which is convenient and labor-saving, reduces the occurrence of needle-stick injuries, and does not pollute the infusion bottle. It also facilitates the handling of the infusion set.

In order to prevent the infusion set from falling off, the side wall of the puncture needle is equipped with an anti-falling protrusion, the highest point of the falling off protrusion is 1-3mm beyond the side wall of the puncture needle, and the transition between the anti-falling protrusion and the side wall of the puncture needle is smooth . Because the bottle stopper of the infusion bottle is an elastic plug, the anti-falling protrusion is easily pierced into the infusion bottle under the action of inertia. It is stuck in the bottle stopper, which effectively prevents the puncture needle from coming out of the infusion bottle.

In order to facilitate the puncture needle to penetrate the bottle stopper of the infusion bottle and further ensure the anti-falling effect, the side wall of the puncture needle is provided with a groove of the same size as the bottom surface of the anti-falling protrusion, and the bottom surface of the anti-falling protrusion is located in the groove. The bottom surface of the anti-falling protrusion and the bottom surface of the groove are connected by a spring. When the spring is in a state of natural expansion and contraction, the highest point of the falling-off protrusion exceeds the side wall of the puncture needle by 1-3mm, and the groove on the puncture needle does not fit with the surface of the puncture needle. The through holes are connected.

As another improvement, the anti-needle puncturer for infusion sets also includes an anti-falling cover. The anti-falling cover includes a cover bottom and a cover side arranged along the periphery of the cover bottom. A through hole is provided in the center of the cover bottom. The end of the connecting end of the seat is provided with two ribs along the circumference, and the bottom of the cover is set on the periphery of the puncture needle through the through hole and is located between the two ribs. The diameter of the through hole on the anti-falling cover is larger than the highest point of the two ribs The diameter of the anti-fall-off cover prevents the fall-off cover from coming out. The anti-fall-off cover can rotate freely relative to the puncture needle, that is, the through-hole diameter on the anti-fall-off cover is larger than the outer diameter of the puncture needle between the two convex ribs; the cover side of the anti-fall-off cover An anti-shedding structure is provided on the inner wall.

As a preferred solution, the above-mentioned anti-shedding structure is an elastic layer with a thickness of 5-8mm. The inner diameter of the elastic layer is not larger than the outer diameter of the infusion bottle stopper, and it is enough to put the anti-falling cap on the stopper of the infusion bottle. The friction between the elastic layer and the stopper further prevents the puncture needle from falling off.

As another preferred solution, the above-mentioned fall-off prevention structure is an internal thread. At this time, a matching external thread is provided on the side wall of the bottle cap used for the liquid bottle, or an additional transition cap is provided. , There is an external thread on the outer wall of the transition cap. When in use, put the two half caps upside down and splice them on the lip of the bottle mouth of the upside-down liquid bottle, and then screw the anti-off cap on the periphery of the transition cap. .

In order to prevent blockage and ensure the smoothness and controllability of infusion, the puncture needle is provided with more than two through holes arranged in the axial direction.

In order to facilitate the penetration and ensure the patency of the infusion, the angle between the tip of the puncture needle is 10-20°, and the tip of the puncture needle is provided with a diversion groove leading to the through hole on the puncture needle.

For the convenience of use, two opposite holding surfaces are provided on the outer wall of the needle seat, and anti-slip protrusions are provided on the two holding surfaces; end cap.

In order to ensure the sterility of the puncture needle, the peripheral activity of the puncture needle is covered with a protective cover.

In order to avoid contamination, the end of the puncture needle tube without the puncture plug is a closed structure; this can prevent the injection needle from protruding, and more effectively prevent contamination or puncture wounds.

In order to facilitate piercing and ensure stability after piercing, the needle plug is made of fabric or rubber.

An infusion set, the puncture device used is the above-mentioned anti-needle puncture device.

The technology not mentioned in the utility model all refers to prior art.

The utility model uses an anti-acupuncture puncturer for an infusion set. After the infusion is completed, the medical staff can directly insert the injection needle into the needle plug of the needle tube, which is convenient and labor-saving, and avoids acupuncture caused by shaking of the scalp needle after the nurse pulls out the needle In addition, it avoids the pollution of the infusion bottle caused by scalp needle insertion, which is beneficial to the implementation of the waste classification and treatment standards in the hospital, and at the same time reduces the economic loss of the hospital and departments; furthermore, it effectively prevents the puncture needle from falling off, ensuring the infusion Stability in the process; further solves problems such as laborious puncture of the bottle stopper; strong practicability, simple structure, easy transformation, convenient operation, and easy popularization.

Description of drawings

Fig. 1 is the structural representation of the anti-needle puncture device for infusion set in embodiment 1;

Fig. 2 is the schematic structural view of the anti-needle puncture device for the infusion set in embodiment 2;

Fig. 3 is the schematic structural view of the anti-needle puncture device for the infusion set in embodiment 4;

Fig. 4 is the schematic diagram of A-A direction of Fig. 3;

Fig. 5 is the structural representation of the upside-down liquid bottle in embodiment 5;

Fig. 6 is a schematic diagram of the half-cover structure of the transition cover in embodiment 5;

In the figure, 1 is the puncture needle, 11 is the flat end of the puncture needle, 12 is the tip of the puncture needle, 13 is the through hole on the puncture needle, 14 is the diversion groove, 15 is the anti-falling protrusion, and 16 is the anti-falling cover, 17 is a convex rib, 18 is an elastic layer, 19 is the cover bottom of the anti-falling cover, 2 is a needle seat, 21 is an air inlet end cover, 3 is a needle puncturer, 31 is a needle plug, 4 is a liquid bottle, 41 is a liquid Bottle mouth (liquid bottle cork), 42 is a rib, and 5 is a half cover, and 51 is the top of the half cover, and 52 is an external thread.

Detailed ways

In order to better understand the utility model, the content of the utility model is further explained below in conjunction with the examples, but the content of the utility model is not limited to the following examples.

Example 1

An anti-needle puncture device for an infusion set, comprising a puncture needle, a needle seat and a needle puncture device; one end of the puncture needle axially is a flat end, the other end of the puncture needle axially is a sharp end, and the puncture needle is provided with a The needle seat is provided with a through hole arranged in the axial direction, one end of the needle seat is docked with the flat end of the puncture needle, and the other end is docked with the infusion tube of the infusion set; the needle lancet includes a needle tube, and one end of the needle tube A needle plug is provided, and the needle tube is connected to the side wall of the needle seat, and one end of the needle plug is set back to the tip of the puncture needle.

After the infusion, the medical staff can directly insert the injection needle into the puncture plug of the puncture tube. The puncture plug can be made of easy-to-pierce material, which is convenient and labor-saving, reduces the occurrence of needle-stick injuries, and does not pollute the infusion bottle. It also facilitates the handling of the infusion set.

Example 2

It is basically the same as Example 1, except that in order to prevent the infusion set from falling off, the side wall of the puncture needle is provided with an anti-falling protrusion, and the highest point of the falling-off protrusion exceeds the side wall of the puncture needle by 2 mm, and the anti-falling protrusion There is a smooth transition between the sidewall of the needle and the needle. Because the bottle stopper of the infusion bottle is an elastic plug, the anti-falling protrusion is easily pierced into the infusion bottle under the action of inertia. It is stuck in the bottle stopper, which effectively prevents the puncture needle from coming out of the infusion bottle.

Example 3

It is basically the same as Example 2, the difference is: in order to facilitate the puncture needle to penetrate the bottle stopper of the infusion bottle and further ensure the anti-falling effect, the side wall of the puncture needle is provided with a groove of the same size as the bottom surface of the anti-falling protrusion , the bottom surface of the anti-falling protrusion is located in the groove, and the bottom surface of the anti-falling protrusion is connected to the bottom surface of the groove through a spring. When the spring is in a state of natural expansion and contraction, the highest point of the falling-off protrusion exceeds the side wall of the puncture needle by 2mm, and the puncture The groove on the needle does not communicate with the through hole on the puncture needle.

Example 4

It is basically the same as Embodiment 1, except that the anti-needle puncture device for infusion set also includes an anti-falling cover, the anti-falling cover includes a cover bottom and a side surface of the cover arranged along the periphery of the cover bottom, and a through hole is provided in the center of the cover bottom to puncture The end of the needle connected with the needle base is provided with two ribs along the circumference, the bottom of the cover is set on the periphery of the puncture needle through the through hole and is located between the two ribs, and the through hole diameter on the anti-falling cover is larger than the two ribs. The diameter of the highest part of the rib prevents the anti-falling cap from coming out, and the anti-falling cap can rotate freely relative to the puncture needle, that is, the through hole diameter on the anti-falling cap is larger than the outer diameter of the puncture needle between the two ribs; the anti-falling cap An anti-shedding structure is provided on the inner wall of the side of the cover. The above-mentioned anti-shedding structure is an elastic layer with a thickness of 6mm. The inner diameter of the elastic layer is not larger than the outer diameter of the infusion bottle stopper, and it is enough to put the anti-falling cap on the stopper of the infusion bottle. The friction between the elastic layer and the stopper further prevents the puncture needle from falling off.

Example 5

It is basically the same as Embodiment 4, except that the anti-falling off structure is an internal thread. At this time, a matching external thread is provided on the side wall of the bottle cap used for the liquid bottle, or an additional transition cap is provided. , the outer wall of the transition cover is provided with external threads, when in use, put the two half-caps upwards and splice them on the ribs of the bottle mouth of the upside-down liquid bottle (the existing general liquid plastic bottles have this structure) , and then screw the anti-off cover on the periphery of the transition cover.

Example 6

It is basically the same as in Example 5, except that in order to prevent blockage and ensure smoothness and controllability of infusion, the puncture needle is provided with three through holes arranged in the axial direction.

Example 7

It is basically the same as Example 6, the difference is: in order to facilitate the penetration and ensure the patency of the infusion, the angle between the tip of the puncture needle is 15°, and the tip of the puncture needle is provided with a flow guide leading to the through hole on the puncture needle groove.

Example 8

It is basically the same as that of Embodiment 7, the difference is that: for the convenience of use, two opposite holding surfaces are provided on the outer wall of the needle holder, and anti-slip protrusions are provided on the two holding surfaces; The air hole is provided with a movable connection end cover on the air intake hole.

Example 9

It is basically the same as that of Embodiment 8, except that in order to ensure the sterility of the puncture needle, the outer periphery of the puncture needle is covered with a protective sheath.

Example 10

It is basically the same as Example 9, except that in order to avoid contamination, the end of the lancet tube without a lancet plug is a capped structure; this can prevent the injection needle from protruding and prevent contamination or puncture.

Example 11

It is basically the same as that of Example 10, except that the needle plug is made of fabric or rubber in order to facilitate piercing and ensure stability after piercing.

Example 12

An infusion set, the piercer used is any needle-proof piercer in the embodiments 1-11.

The anti-needle puncture device for the infusion set in the above examples, after the infusion, the medical staff can directly insert the injection needle into the puncture needle plug of the needle tube, which is convenient and labor-saving, and avoids the problem caused by the shaking of the scalp needle after the nurse pulls out the needle. The occurrence of needle-stick injuries also avoids the pollution of the infusion bottle caused by scalp needle back insertion, which is conducive to the implementation of the waste classification and treatment norms in the hospital, and at the same time reduces the economic loss of the hospital and departments; it also effectively prevents the puncture needle from falling off, ensuring The stability in the infusion process is improved; the problems such as laboriousness when puncturing the bottle stopper are further solved; the utility model has strong practicability, simple structure, convenient operation and easy popularization.

Claims (10)

1. An anti-needle piercer for an infusion set, characterized in that: it comprises a puncture needle, a needle holder and a needle puncturer; one end of the puncture needle axially is a flat end, and the other end of the puncture needle axially is a tip, There is a through hole arranged in the axial direction; the needle holder is provided with a through hole arranged in the axial direction, one end of the needle holder is docked with the flat end of the puncture needle, and the other end is connected with the infusion tube of the infusion set; the needle puncturer includes a needle tube, One end of the needle tube is provided with a needle plug, the needle tube is connected to the side wall of the needle holder, and the end provided with the needle plug is set back to the tip of the puncture needle. 2. The anti-needle puncture device for infusion sets according to claim 1, characterized in that: the side wall of the puncture needle is provided with an anti-falling protrusion, and the highest point of the shedding protrusion exceeds the side wall of the puncture needle by 1-3mm, Smooth transition between the drop-out tab and the side wall of the needle. 3. The anti-needle puncture device for infusion set as claimed in claim 2, characterized in that: the side wall of the puncture needle is provided with a groove of the same size as the bottom surface of the anti-falling protrusion, and the bottom surface of the anti-falling protrusion is located in the groove. Inside, the bottom surface of the anti-falling protrusion and the bottom surface of the groove are connected by a spring. When the spring is in a state of natural expansion and contraction, the highest point of the falling-off protrusion exceeds the side wall of the puncture needle by 1-3mm, and the groove on the puncture needle is not in contact with the puncture needle. The through holes on the pins are connected. 4. The anti-needle puncture device for infusion sets according to claim 1, characterized in that: it also includes an anti-falling cover, the anti-falling cover includes a cover bottom and a cover side arranged along the periphery of the cover bottom, and a through hole is arranged in the center of the cover bottom The end of the puncture needle connected with the needle seat is provided with two ribs along the circumference, the bottom of the cover is set on the periphery of the puncture needle through the through hole and is located between the two ribs, and the through hole diameter of the anti-falling cover is larger than The diameter of the highest point of the two convex ribs, the anti-falling cover can rotate freely relative to the puncture needle; the inner wall of the cover side of the anti-falling cover is provided with an anti-falling structure. 5. The anti-needle puncture device for infusion set according to claim 4, characterized in that: the anti-falling structure is an elastic layer with a thickness of 5-8mm. 6. The anti-needle puncture device for infusion set according to claim 4, characterized in that: the anti-dropping structure is an internal thread. 7. The anti-needle piercer for infusion set as claimed in any one of claims 1-6, characterized in that: the puncture needle is provided with more than two through holes arranged in the axial direction; the tip angle of the puncture needle is 10-20°, the tip of the puncture needle is provided with a diversion groove leading to the through hole on the puncture needle. 8. The anti-needle puncture device for infusion set according to any one of claims 1-6, characterized in that: the outer wall of the needle holder is provided with two opposite gripping surfaces, and both gripping surfaces are provided with Anti-slip protrusions; air inlet holes are arranged on the needle seat, and end caps that are flexibly connected are arranged on the air inlet holes. 9. The anti-needle puncture device for infusion set according to any one of claims 1-6, characterized in that: the peripheral movable cover of the puncture needle is covered with a protective cover; the end of the puncture needle tube without a needle plug is a closed structure; The needle plug is made of fabric or rubber. 10. An infusion set, characterized in that the piercer used is the anti-needle piercer according to any one of claims 1-9.