CN217409461U - Infusion needle seat and infusion needle - Google Patents

Abstract

The utility model discloses a transfusion needle file, which comprises a body, be provided with the needle connector that is used for connecting the needle pipe on the body and be used for connecting the connector of transfer line, the connector with drain passageway has between the needle connector, still be provided with on the body and can allow the syringe needle to pierce and can automatic closed acupuncture portion when the syringe needle is extracted, acupuncture portion inner extends to drain passageway, outer end expose in the body outside. In the transfusion needle seat, the acupuncture part is arranged, so that the medicine is greatly convenient to be additionally added in the middle of transfusion, and the operation is simple and convenient. And the acupuncture part is additionally arranged on the transfusion needle seat, and the shapes of the connector and the needle connecting port are not required to be changed, so that the production cost is reduced. In conclusion, the transfusion needle stand can effectively solve the problem that liquid medicine is inconvenient to add in the transfusion process. The utility model also discloses an infusion needle of including above-mentioned infusion needle file.

Description

Infusion needle seat and infusion needle

Technical Field

The utility model relates to an infusion technical field, more specifically say, relate to an infusion needle file, still relate to an infusion needle including above-mentioned infusion needle file.

Background

The current clinical temporary dosing mode generally comprises a dropping funnel dosing mode and a vein injection mode.

The medicine adding of the dropping funnel belongs to high-position injection, on one hand, the clinical practical use is not much, on the other hand, the high-position injection piece is not convenient for injection, the requirement of clinical emergency medicine adding is not met, the medicine adding is not safe during injection, the upper end of the dropping funnel is required to be closed, and the dropping funnel is easy to fill, so that the transfusion is influenced.

In the traditional intravenous injection process, the intravenous needle seat needs to be unscrewed for intravenous injection, the infusion pipeline and the intravenous needle need to be sealed or blocked in the operation process, the operation is complicated, the risks of blood return, liquid leakage and the like exist, and the medical care relationship is influenced; meanwhile, when intravenous injection is adopted, the injection speed and the dosage are difficult to control due to the adoption of the conical head for direct infusion, and the risk of a patient is increased.

The medicine tee bend mode of adding adds the medicine tee bend near outer cone joint position to satisfy the demand that clinical interim adds the medicine, nevertheless add the medicine tee bend and increased material cost and cost of labor, and lead to original automatic assembly equipment can't satisfy and add the equipment of medicine tee bend, a series of expenses that the enterprise increased will all increase to the patient on one's body finally.

In summary, how to effectively solve the problem of inconvenience in adding liquid medicine in the infusion process is a problem which needs to be solved urgently by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a first aim at provides an infusion needle file, this infusion needle file can solve the inconvenient problem of infusion in-process interpolation liquid medicine effectively, the utility model discloses a second aim at provides an infusion needle including above-mentioned infusion needle file.

In order to achieve the first object, the present invention provides the following technical solutions:

the utility model provides an infusion needle file, includes the body, be provided with the needle connector that is used for connecting the needle pipe on the body and be used for connecting the connector of transfer line, the connector with drain passageway has between the needle connector, still be provided with on the body and can allow the syringe needle to pierce and can automatic closed acupuncture portion when the syringe needle is extracted, acupuncture portion inner extends to drain passageway, outer end expose in the body outside.

In this infusion needle holder, during normal infusion, the needle connection port is kept connected to the needle catheter, and then the connector is connected to the corresponding infusion tube to perform infusion. When the liquid medicine needs to be added again, the injection needle can be adopted and inserted into the liquid guide channel through the acupuncture part, other liquid medicine is introduced into the injection needle, and after the introduction is finished, the injection needle is pulled out, and after the pulling-out is finished, the acupuncture part is automatically closed, so that the infusion can be continuously carried out through the infusion tube. The transfusion needle seat is provided with the acupuncture part, thereby greatly facilitating the addition of medicine in the middle of transfusion and having simple and convenient operation. And the acupuncture part is additionally arranged on the transfusion needle seat, and the shapes of the connector and the needle connecting port are not required to be changed, so that the production cost is reduced. In conclusion, the transfusion needle stand can effectively solve the problem that liquid medicine is inconvenient to add in the transfusion process.

Preferably, the acupuncture part is a latex pad and/or a heparin cap.

Preferably, the direction of extension of the needle insertion portion from the inside to the outside is aligned with the needle connection port.

Preferably, the extending direction inside and outside the needling portion is consistent with the direction of the connector port and is aligned with the connector port.

Preferably, the main part is including being linear type main pipe portion, main pipe portion one end does connector, other end coaxial arrangement have acupuncture portion, the side of main pipe portion is provided with the side opening in order to set up the needle connector.

Preferably, the inner end surface of the needle punching portion is aligned with the side opening edge.

Preferably, acupuncture portion includes outer post portion and is located outer post portion inboard and the diameter is less than outer post portion diameter's interior post portion, interior post portion with outer post portion coaxial setting, just outer post portion is provided with mouthful along the size with interior post portion cross section size equals and aligns the spacing recess that sets up.

Preferably, the side opening is connected with a mounting tube which is sleeved outside the needle catheter, and the needle connecting port is formed at the mounting tube.

Preferably, a protective cap is detachably connected to the mouth of the connector.

In order to achieve the second purpose, the utility model also provides an infusion needle, this infusion needle includes any kind of infusion needle file of above-mentioned, still includes syringe needle and one end connect in the needle catheter of syringe needle, the other end of needle catheter with the needle connector of infusion needle file is connected. Because the transfusion needle seat has the technical effects, the transfusion needle with the transfusion needle seat also has the corresponding technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an infusion needle provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a body according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the needling portion according to the embodiment of the present invention.

The drawings are numbered as follows:

a body 1, a needle punching part 2, a needle catheter 3, a needle head 4 and a protective cap 5;

needle connection port 11, connector 12, drainage channel 13, main tube part 14, installation tube 15, outer column part 21, inner column part 22, spacing recess 23.

Detailed Description

The embodiment of the utility model discloses transfusion needle file, this transfusion needle file can solve the inconvenient problem of infusion in-process interpolation liquid medicine effectively.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, fig. 1 is a schematic structural view of an infusion needle according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a body according to an embodiment of the present invention; fig. 3 is a schematic structural view of the needling portion according to the embodiment of the present invention.

In one embodiment, the present embodiment provides an infusion needle holder, which is applied to an infusion needle and connected between a needle 4 and an infusion tube, wherein the infusion tube refers to a device for connecting an infusion bottle or an infusion bag. The specific transfusion needle seat mainly comprises a body 1 and a needle punching part 2.

Wherein the body 1 is provided with a needle connecting port 11 for connecting the needle catheter 3 and a connector 12 for connecting the infusion tube, wherein two ends of the needle catheter 3 are respectively connected with the needle head 4 and the needle connecting port 11. It should be noted that, the main body 1 may be an integrally formed part or a splicing part, and in order to ensure the reliability of the internal structure, the integrally formed part is preferred here. The needle connector 11 is correspondingly configured according to the structure of the needle catheter 3, so as to be conveniently connected with the needle catheter 3 in a sealing manner, and generally, the needle catheter 3 is inserted into or sleeved on the needle connector 11 and bonded with the needle connector. The connector 12 is used for connecting a transfusion tube, and is generally a luer connector, but may also be a general tube orifice, and the inner side or the outer side of the tube orifice is provided with connecting threads.

A liquid guiding channel 13 is arranged between the connector 12 and the needle connecting port 11, so that the liquid guided from the infusion tube at the mouth of the connector 12 can flow to the needle connecting port 11 through the liquid guiding channel 13 and further flow to the needle catheter 3 to enter the needle head 4. The liquid guide channel 13 can be a linear type, a curve type or a right-angle type, and particularly can be arranged as required so as to guide liquid and avoid bubbles generated in the liquid guide process as much as possible.

Acupuncture portion 2 sets up on body 1, and acupuncture portion 2 can allow the syringe needle to pierce and can be automatic closure when the syringe needle is extracted, if in infusion process, can insert other syringe needles through this acupuncture portion 2 to inside leading-in liquid medicine, after the liquid medicine is leading-in to be accomplished, extract the syringe needle, acupuncture portion can still keep the closure state this moment, and can not appear the weeping problem here, wherein automatic closure means, the punchhole that the acupuncture produced is closed. The acupuncture part 2 is specifically a latex part, a heparin cap and the like, and if the latex part is adopted, the latex part can penetrate through the body 1 and can be connected with the body 1 in a sealing way; if a heparin cap is used, the heparin cap may be screwed to the body 1 or may be bonded to the body 1.

The inner end of the needle-puncturing part 2 extends to the liquid guide channel 13, and the outer end is exposed outside the body 1, so that after the injection needle is punctured from the outer side of the needle-puncturing part 2, the tip of the injection needle is exposed in the liquid guide channel 13 after the needle-puncturing part 2 is punctured, and when the injection is performed again, the liquid flowing out from the injection needle can enter the liquid guide channel 13. The specific installation method mainly includes two types, one is that the body 1 is provided with an installation hole penetrating through the inside and the outside, wherein the acupuncture part 2 is inserted into the installation hole or is installed at the outer end of the installation hole in a sealing manner. For convenience of description, the side close to the liquid guide channel 13 is taken as the outer side, and the side far from the liquid guide channel 13 is taken as the outer side, so that the inner and outer directions are not the same straight direction at different positions, and the position of the inner and outer directions relative to the liquid guide channel 13 is specifically defined.

In this infusion needle hub, during normal infusion, the needle connection port 11 is connected to the needle catheter 3, and then the connector 12 is connected to the corresponding infusion tube to perform infusion. When the liquid medicine needs to be added again, the injection needle can be adopted, the needle is inserted into the liquid guide channel 13 through the acupuncture part 2, other liquid medicine is introduced into the injection needle, the injection needle is pulled out after the introduction is finished, and the acupuncture part 2 is automatically closed after the pulling, so that the infusion can be continuously carried out through the infusion tube. The needle seat of the infusion needle is provided with the acupuncture part 2, which greatly facilitates the addition of medicine in the middle of infusion and has simple and convenient operation. In addition, the needle-puncturing part 2 is additionally arranged on the transfusion needle seat, and the shapes of the connecting head 12 and the needle connecting port 11 are not required to be changed, so that the production cost is reduced. In conclusion, the transfusion needle stand can effectively solve the problem that liquid medicine is inconvenient to add in the transfusion process.

Further, considering that it is difficult to accurately grasp the penetration depth during the process of the needle-piercing portion 2 penetrated by the injection needle in actual injection, a sufficient space is required to allow the penetration depth of the injection needle to be large in controllable range, if the space is increased along the liquid guide channel 13, the infusion process is caused, the liquid medicine flows unsmoothly, and bubbles are easily generated. Based on this, it is preferable that the inner and outer extension directions of the needle puncturing part 2 are consistent with the direction of the needle connecting port 11 and are aligned with the needle connecting port 11, and at this time, the extension space at the needle connecting port 11 is utilized to increase the safe injection depth of the injection needle, and at this time, the mouth of the connector 12 is not aligned with the needle connecting port 11, so that the inner liquid guiding channel 13 is not linear any more.

However, the needle connection opening 11 is smaller in cross section in view of the fact that it is used for connecting the needle catheter 3, which leads to an increased accuracy requirement for the point of penetration of the injection needle. Based on this, the inside and outside extending direction of preferred acupuncture portion 2 here is unanimous with the connector 12 oral area orientation and aligns the setting with connector 12 oral area, utilizes connector 12 department extension space this moment to make syringe needle safety injection degree of depth increase, and the same oral area of connector 12 no longer aligns the setting with needle connector 11 this moment, therefore inside drain channel 13 no longer is the linear type this moment, if can be the right angle type.

Specifically, for the setting of convenience, the preferred main part 1 of this department is including the main pipe portion 14 that is the linear type, main pipe portion 14 one end does connector 12, other end coaxial arrangement have acupuncture portion 2, acupuncture portion 2 and the coaxial setting of main pipe portion 14 promptly to guarantee that the center of acupuncture portion 2 is located same straight line with the central line of main pipe portion 14 inner chamber, this makes the syringe needle can insert to the main pipe portion 14 inner chamber along the central axis of acupuncture portion 2, and then greatly increased error range, with greatly reduced the degree of difficulty of stinging. In this case, the side surface of the main tube part 14 is provided with an opening for providing the needle connection port 11.

When the liquid medicine is administered, the liquid medicine entering from the mouth of the connector 12 flows along the lumen of the main tube 14, and when the liquid medicine flows to the side opening, the liquid medicine flows toward the side opening, and no liquid medicine or little liquid medicine flows into the front end of the side opening, that is, the side close to the needle puncture portion 2, and air bubbles are likely to be generated at the side. For this purpose, it is preferred here that the inner end face of the needle-punched part 2 is aligned with the side edge of the side opening, so that no or very little cavity is present on the side of the side opening close to the needle-punched part 2, and no air bubbles are formed. For better arrangement, the inner end surface of the needle-punching portion 2 may also be formed with an inclined surface or an arc surface to play a role of guiding, so as to guide the liquid medicine flowing from the mouth of the connector 12 to the side opening, thereby better avoiding the generation of bubbles.

Specifically, can make wherein acupuncture portion 2 includes outer post portion 21 and be located outer post portion 21 inboard and the interior post portion 22 that the diameter is less than outer post portion 21 diameter, wherein interior post portion 22 with outer post portion 21 coaxial setting, and outer post portion 21 is provided with mouthful along the size with the equal just spacing recess 23 that aligns of interior post portion 22 cross section size, specific spacing recess 23 can be cylindrical type groove, spherical type groove, still can the tapered groove to play better guide effect, so that the syringe needle, from the central part of spacing recess 23 or be located spacing recess at least, along the extending direction puncture acupuncture portion 2 of main pipe portion 14, in order to enter the inner chamber of main pipe portion 14. Specifically, the needle-punched part 2 is a single piece of latex, and is inserted into the main pipe part 14 to be bonded or welded with the inner wall of the main pipe part 14.

Further, the side opening thereof preferably has a mounting tube 15, wherein the mounting tube 15 is preferably integrally formed with the main tube portion 14, and wherein the mounting tube 15 is fitted over the outside of the catheter tube 3 so that the needle connection port 11 is formed at the mounting tube 15. And the needle catheter 3 and the mounting tube 15 are preferably adhered to each other.

Furthermore, a protective cap 5 can be detachably connected to the mouth of the connector 12 to ensure sanitation. The protective cap 5 and the connector 12 may be connected by clamping, screwing or tightening.

Based on the transfusion needle file that provides in the above-mentioned embodiment, the utility model also provides a transfusion needle, this transfusion needle include any one transfusion needle file in the above-mentioned embodiment, still include syringe needle 4 and one end connect in the needle catheter 3 of syringe needle 4, the other end of needle catheter 3 with the needle connector 11 of transfusion needle file connects. As the infusion needle adopts the infusion needle seat in the embodiment, the beneficial effects of the infusion needle refer to the embodiment.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an infusion needle file, includes the body, be provided with the needle connector that is used for connecting the needle pipe on the body and be used for connecting the connector of transfer line, the connector with the drain passageway has between the needle connector, its characterized in that, still be provided with on the body and can allow the syringe needle to pierce and can automatic closed acupuncture portion when the syringe needle is extracted, acupuncture portion inner extends to drain passageway, outer end expose in the body outside.

2. The infusion needle hub according to claim 1, wherein the needle-piercing part is a latex pad and/or a heparin cap.

3. The infusion needle hub according to claim 1, wherein the inner and outer extension directions of the needle puncturing part are consistent with the orientation of the needle connecting port and are aligned with the needle connecting port.

4. The infusion needle holder according to claim 1, wherein the direction of extension of the needle puncturing part from inside to outside is the same as the direction of the connector port and is aligned with the connector port.

5. The infusion needle holder according to claim 4, wherein the body comprises a main tube portion in a linear shape, one end of the main tube portion is the connector, the other end of the main tube portion is coaxially provided with the acupuncture portion, and a side opening is formed in a side surface of the main tube portion to provide the needle connection port.

6. The infusion needle hub according to claim 5, wherein the inner end surface of the needle puncturing portion is aligned with the side opening edge.

7. The infusion needle holder according to claim 6, wherein the needling portion comprises an outer column portion and an inner column portion which is located inside the outer column portion and has a diameter smaller than that of the outer column portion, the inner column portion and the outer column portion are coaxially arranged, and the outer column portion is provided with a limiting groove, the size of the edge of the limiting groove is equal to that of the cross section of the inner column portion, and the limiting groove is aligned with the cross section of the inner column portion.

8. The infusion needle holder according to claim 7, wherein the side opening is connected with a mounting tube for sleeving the outside of the needle catheter, and the needle connection port is formed at the mounting tube.

9. The infusion needle hub according to claim 8, wherein a protective cap is detachably connected to the mouth of the connector.

10. An infusion needle comprising a needle head and a needle guide tube having one end connected to the needle head, comprising the infusion needle holder according to any one of claims 1 to 9, wherein the other end of the needle guide tube is connected to a needle connection port of the infusion needle holder.

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