CN218739742U

CN218739742U - Special needle of implanted device of dosing convenient to dismantle

Info

Publication number: CN218739742U
Application number: CN202222011676.3U
Authority: CN
Inventors: 刘文菁; 熊文有
Original assignee: Suzhou Meichuang Medical Technology Co ltd
Current assignee: Suzhou Meichuang Medical Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-03-28
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to special needle of implanted device of dosing convenient to dismantle, including puncture portion, connecting seat and pipe, puncture portion and connecting seat are connected respectively to the both ends of pipe, and the connecting seat is split type structure, including malleation joint and with pipe connection's three-way pipe, the three-way pipe is connected for dismantling with the malleation joint, is monolithic structure for the connecting seat in the past, the condition of unable split, this scheme is split type structure with the connecting seat design, is convenient for change malleation joint, reduces the waste of material.

Description

Special needle of implanted device of dosing convenient to dismantle

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to special needle of implanted device of dosing convenient to dismantle.

Background

The implanted drug delivery device consists of an injection seat and a catheter. After the implanted drug delivery device is implanted into the subcutaneous part of a human body, an injection seat of the implanted drug delivery device needs to be punctured and injected so as to infuse drug liquid into the circulatory system or a specific part of the human body through the injection seat. The end connection of pipe has the connecting seat, and current connecting seat is integral design, and inside is equipped with the malleation structure, and this kind of malleation structure directly sets up in the connecting seat, if malleation structural damage or when changing, then whole connecting seat all need be changed, leads to the waste of connecting seat material.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the inconvenient defect of connecting seat change among the prior art to a special needle of implanted device of dosing convenient to dismantle is provided.

In order to solve the problems, the utility model provides a convenient detachable special needle for an implanted drug delivery device, which comprises a puncture part; a connecting seat; the two ends of the conduit are respectively connected with the puncture part and the connecting seat; the connecting seat comprises a positive pressure joint and a three-way pipe connected with the guide pipe, and the positive pressure joint is detachably connected with the three-way pipe.

Optionally, the tee pipe includes a first connection hole, a second connection hole, and a third connection hole.

Optionally, the conduit is sealingly connected to the first connection bore of the tee.

Optionally, the third connecting hole is in threaded connection with the positive pressure joint.

Optionally, the first connecting hole and the third connecting hole are on the same axis.

Optionally, a protective cap is disposed on the second connecting hole.

Optionally, the axis of the second connecting hole and the axis of the third connecting hole are arranged at an acute angle.

Optionally, an end of the positive pressure joint far away from the third connecting hole is provided with an external thread.

Optionally, a first reinforcing rib is arranged on the connecting seat, and the first reinforcing rib is arranged between the first connecting hole and the second connecting hole.

Optionally, a second reinforcing rib is arranged on the connecting seat, and the second reinforcing rib is arranged between the second connecting hole and the third connecting hole.

The utility model has the advantages of it is following:

1. the connecting seat includes the malleation joint and with pipe connection's three-way pipe in this scheme, and the three-way pipe connects for dismantling with the malleation and is connected, is monolithic structure for the connecting seat in the past, the condition of unable split, and this scheme designs the connecting seat into split type structure, is convenient for change the malleation joint, reduces the waste of material.

2. Set up first strengthening rib and second strengthening rib on the three-way pipe, increase the intensity of three-way pipe through two strengthening ribs, promote the holistic stability of three-way pipe.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 shows a general schematic view of a needle dedicated to a detachable implantable drug delivery device according to an embodiment of the present invention;

FIG. 2 shows a cross-sectional view of a positive pressure fitting of an embodiment of the present invention;

fig. 3 shows an exploded view of a connection socket according to an embodiment of the present invention.

Description of the reference numerals:

1. a puncture section; 2. a connecting seat; 3. a conduit; 21. a positive pressure joint; 211. a housing; 212. a rubber plug; 213. an external thread; 22. a three-way pipe; 221. a first connection hole; 222. a second connection hole; 223. a third connection hole; 224. a protective cap; 225. a first reinforcing rib; 226. a second reinforcing rib; 23. a first axis; 24. a second axis; 31. and (4) a clamp.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

The embodiment of the utility model discloses special needle of implanted device of dosing convenient to dismantle, refer to fig. 1, fig. 2 and fig. 3, including puncture portion 1, connecting seat 2 and pipe 3, pipe 3 is the hose, and puncture portion 1 and connecting seat 2 are connected respectively to pipe 3's both ends, and connecting seat 2 comprises malleation joint 21 and the three-way pipe 22 of being connected with pipe 3, is connected for dismantling between malleation joint 21 and the three-way pipe 22, and the mode of dismantling the connection is convenient for dismantle malleation joint 21. Connecting seat 2 formula structure as an organic whole in the past, after connecting seat 2 is connected with pipe 3, malleation structure on it can not be dismantled, if need change malleation structure etc. then need change whole special needle, cause the waste, and this scheme improves it, designs connecting seat 2 for can dismantle the form, has increased the flexibility that special needle used to and reduce the extravagant condition of material.

The puncture part 1 is prior art, and includes structures such as needle tubing and needle handle, still is provided with clip 31 on the pipe 3, and clip 31 also does not have prior art, and the no longer repeated description here.

Referring to fig. 3, the tee pipe 22 is Y-shaped, and includes a first connection hole 221, a second connection hole 222, and a third connection hole 223, wherein the first connection hole 221 and the third connection hole 223 are on the same axis, which is the first axis 23, the axis of the second connection hole 222 is the second axis 24, and the second axis 24 forms an included angle with the first axis 23, more specifically, the second axis 24 of the second connection hole 222 is arranged at an acute angle with the first axis 23 of the third connection hole 223, and the angle is preferably 30 ° to 60 °. The catheter 3 is connected in the first connection hole 221 in a sealing manner, which is the connection of a conventional medical device and will not be described herein. The positive pressure joint 21 is connected to the third connection hole 223, the second connection hole 222 is connected to the protective cap 224, and the protective cap 224 is screw-coupled to the second connection hole 222 to prevent external air from entering the guide duct 3.

The positive pressure joint 21 comprises a housing 211 and a rubber plug 212 arranged in the housing 211, a passage is arranged inside the positive pressure joint 21, and an external needle pierces the rubber plug 212 from the tail end of the positive pressure joint 21 to perform injection operation into the guide tube 3 from the passage. The joint between the positive pressure joint 21 and the tee 22 is a luer joint. The end of the positive pressure joint 21 remote from the third connecting hole 223 is provided with an external thread 213 to facilitate connection with other external components.

The tee 22 is further provided with a first reinforcing rib 225 to increase the strength of the tee 22, the first reinforcing rib 225 is disposed between the first connection hole 221 and the third connection hole 223, and the first reinforcing rib 225 is located at the bottom of the tee 22 and near the root of the second connection hole 222 as viewed in the figure. The tee pipe 22 is further provided with a second reinforcing rib 226, and the second reinforcing rib 226 is arranged at the included angle between the second connecting hole 222 and the third connecting hole 223 to increase the strength of the second connecting hole 222.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.

Claims

1. A readily detachable needle for an implantable drug delivery device, comprising:

a puncture unit (1);

a connecting seat (2);

the two ends of the conduit (3) are respectively connected with the puncture part (1) and the connecting seat (2);

the method is characterized in that: the connecting seat (2) comprises a positive pressure joint (21) and a three-way pipe (22) connected with the guide pipe (3), and the positive pressure joint (21) is detachably connected with the three-way pipe (22).

2. The easy-to-detach needle dedicated to an implantable drug delivery device according to claim 1, wherein: the tee pipe (22) includes a first connection hole (221), a second connection hole (222), and a third connection hole (223).

3. The needle dedicated to an implantable drug delivery device that is easy to disassemble as claimed in claim 2, wherein: the conduit (3) is in sealing connection with a first connection hole (221) of the tee (22).

4. The easy-to-detach needle dedicated to an implantable drug delivery device according to claim 3, wherein: the third connecting hole (223) is in threaded connection with the positive pressure joint (21).

5. The needle dedicated to an implantable drug delivery device that is easy to disassemble as claimed in claim 4, wherein: the first connection hole (221) and the third connection hole (223) are on the same axis.

6. The easy-to-detach needle dedicated to an implantable drug delivery device according to claim 5, wherein: a protective cap (224) is arranged on the second connecting hole (222).

7. The easy-to-detach needle dedicated to an implantable drug delivery device according to claim 6, wherein: the axis of the second connecting hole (222) and the axis of the third connecting hole (223) are arranged in an acute angle.

8. The needle dedicated to an implantable drug delivery device that is easy to disassemble as claimed in claim 4, wherein: and an external thread (213) is arranged at the end part of the positive pressure joint (21) far away from the third connecting hole (223).

9. The easy-to-detach needle dedicated to an implantable drug delivery device according to claim 2, wherein: a first reinforcing rib (225) is arranged on the connecting seat (2), and the first reinforcing rib (225) is arranged between the first connecting hole (221) and the second connecting hole (222).

10. The easy-to-detach needle dedicated to an implantable drug delivery device according to claim 9, wherein: the connecting base (2) is provided with a second reinforcing rib (226), and the second reinforcing rib (226) is arranged between the second connecting hole (222) and the third connecting hole (223).