CN211300230U

CN211300230U - Disposable epidural double-cavity puncture needle

Info

Publication number: CN211300230U
Application number: CN201921558119.5U
Authority: CN
Inventors: 杨健
Original assignee: Suzhou Meixindis Medical Technology Co ltd
Current assignee: Suzhou Meixindis Medical Technology Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-08-21
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses an outer two-chamber pjncture needle of disposable hard membrane, include: a skin breaking positioning structure and an infusion structure; the utility model relates to the technical field of medical equipment, the transfusion structure is inserted in the skin-breaking positioning structure, the first adapting block is clamped and loaded by the first adapting block, so that the skin-breaking positioning pipe is fixed, the human body is broken by the needle head, the skin-breaking positioning pipe is deep, the observation depth is observed through the observation port for positioning, the second adapting block is buckled on the second adapting block, so that the transfusion pipe is fixed, the transfusion pipe is inserted in the skin-breaking positioning pipe for adapting and butt joint, and then the transfusion is carried out through the catheter; when the operation is finished, the skin-breaking positioning tube and the infusion tube can be detached for recycling, and the first switching block and the second switching block are sterilized and reused; the design not only can save resource waste and reduce production cost, but also can prevent the infusion from shaking and relieve the pain of patients by mutually butting and fixing the two.

Description

Disposable epidural double-cavity puncture needle

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a disposable epidural double-cavity puncture needle.

Background

Painless childbirth is applied in China for years, but the methods are different, and the effects are also different; under the promotion of 'Chinese line of painless childbirth', the application is gradually wider and wider, and the effect is better and better; a problem that can exist is that the usual second phase analgesia is not good enough; one puncture point can only be considered up or down, but not both. The two-point puncture tube can solve the problem, but the patient does not want to accept the tube, the operation is more complicated, and the use of the method is limited to a certain extent;

monotube application mainly addresses the pain of the first labor, as the first labor is long; nerves with second labor pain are transmitted from the sacral 2 to the sacral 4 nerves, the volume of the single-tube injection is often not enough to block the sacral 2 to sacral 4 nerves, and if the second labor is satisfied by increasing the volume, complications are increased; the existing epidural double-cavity puncture needle is characterized in that an outer needle tube is used for puncture and positioning, and infusion is carried out through an inner needle tube, but the existing two needle tubes are not fixed when in use, the patient can suffer due to slight shaking generated during infusion, the existing epidural double-cavity puncture needle is disposable when in reuse, the resource waste is serious, and therefore, the existing epidural double-cavity puncture needle is designed for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable outer two-chamber pjncture needle of hard membrane 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: a disposable epidural dual chamber needle comprising: a skin breaking positioning structure and an infusion structure; the infusion structure is inserted into the skin breaking positioning structure;

broken skin location structure includes: the skin breaking positioning tube, the needle head, the first conjunction block, the first transfer block and a pair of conjunction rods with the same structure;

the skin breaking positioning tube is of a hollow structure, the needle head is welded at one end of the skin breaking positioning tube, the first engagement block is sleeved at the other end of the skin breaking positioning tube, the first transfer block is provided with a first engagement groove, the first transfer block is screwed on the first engagement block, and one end of each of a pair of engagement rods is welded on the right side wall surface of the first transfer block;

the infusion structure comprises: the infusion tube, the second conjunction block, the second adapter block, the catheter and the adapter;

the infusion tube is of a hollow structure, the second engagement block is sleeved at one end of the infusion tube, a protruding semicircular cylinder is arranged at the left end of the second transfer block, second engagement grooves are formed in the center of the upper wall face of the second transfer block, the second transfer block is arranged on the second engagement block in a screwing mode, the infusion tube is located in the semicircular cylinder, a pair of engagement holes with the same structure are formed in the left wall face of the second transfer block, one end of the liquid guide tube is connected to one end of the infusion tube, and the adapter is arranged at the other end of the liquid guide tube.

Preferably, the observation ports are arranged on one side wall of the skin breaking positioning pipe at equal intervals.

Preferably, the diameter of the infusion tube is smaller than that of the positioning tube with a broken skin.

Preferably, the diameter of the semi-cylinder is smaller than that of the positioning tube for splitting the skin.

Preferably, the first adapter block and the second adapter block are both rectangular structures.

Compared with the prior art, the beneficial effects of the utility model are that: the disposable epidural double-cavity puncture needle is characterized in that a first adapting block is clamped and loaded in a first adapting block, or the first adapting block is knocked and mounted on the first adapting block, so that a skin-broken positioning tube is fixed, a human body is punctured through a needle head, the skin-broken positioning tube is deep, the observation depth is observed through an observation port for positioning, a second adapting block is buckled on a second adapting block, a transfusion tube fixing column is fixed, the transfusion tube is inserted into the skin-broken positioning tube on the first adapting block, an adapting rod is inserted into the adapting hole, a semi-cylinder is inserted into one section of the skin-broken positioning tube for adapting and butting to be stable, and then the infusion tube is adapted on an infusion apparatus through the adapting block, so that an anesthetic flows into the transfusion tube through a catheter and enters the human body; when the operation is finished, the skin-breaking positioning tube and the infusion tube can be detached for recycling, and the first switching block and the second switching block are sterilized and reused; the design not only can save resource waste and reduce production cost, but also can prevent the infusion from shaking and relieve the pain of patients by mutually butting and fixing the two.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic view of a partially assembled structure of the present invention;

fig. 3 is a schematic view of a part of the front view structure of the present invention.

In the figure: 1. the skin-breaking positioning tube comprises a skin-breaking positioning tube 2, a needle head 3, a first conjunction block 4, a first adapter block 5, a conjunction rod 6, a transfusion tube 7, a second conjunction block 8, a second adapter block 9, a catheter 10 and an adapter.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a disposable epidural dual chamber needle comprising: a skin breaking positioning structure and an infusion structure; the transfusion structure is inserted in the skin breaking positioning structure; broken skin location structure includes: the skin-breaking positioning device comprises a skin-breaking positioning tube 1, a needle head 2, a first conjunction block 3, a first transfer block 4 and a pair of conjunction rods 5 with the same structure; the skin breaking positioning tube 1 is of a hollow structure, the needle head 2 is welded on one end of the skin breaking positioning tube 1, the first conjunction block 3 is sleeved on the other end of the skin breaking positioning tube 1, the first transfer block 4 is provided with a first conjunction groove, the first transfer block 4 is buckled on the first conjunction block 3, and one end of each of a pair of conjunction rods 5 is respectively welded on the right side wall surface of the first transfer block 4; through the skin breaking structure, the skin breaking positioning tube 1 can be deeply inserted into the lower part of the pork skin to find an infusion point; infusion structure, includes: an infusion tube 6, a second conjunction block 7, a second adapter block 8, a catheter 9 and an adapter 10; the infusion tube 6 is of a hollow structure, a second conjunction block 7 is sleeved at one end of the infusion tube 6, the left end of a second transfer block 8 is provided with a protruding semi-cylinder, and is provided with second conjunction grooves at the central part of the upper wall surface of the second transfer block, the second transfer block 8 is knocked on the second conjunction block 7, the infusion tube 6 is positioned in the semi-cylinder, the left side wall surface of the second transfer block is provided with a pair of conjunction holes with the same structure, one end of the liquid guide tube 9 is connected to one end of the infusion tube 6, and the adapter 10 is arranged at the other end of the liquid guide tube 9; through the transfusion structure, the transfusion tube 6 can be inserted into the positioning tube 1 for skin breaking, and then the transfusion tube can extend into the skin layer for transfusion.

As the preferred scheme, furthermore, the observation ports are arranged on one side wall of the skin-breaking positioning tube 1 at equal intervals, so that the depth can be observed conveniently, and the broken bleeding of the intima can be prevented.

Preferably, the infusion tube 6 is smaller than the positioning tube 1 for facilitating the insertion of the infusion.

Preferably, the diameter of the semi-cylinder is smaller than that of the positioning tube 1 for skin breaking, so that the insertion is convenient for matching, butt joint and fixation.

Preferably, the first transfer block 4 and the second transfer block 8 are both rectangular structures, so that the installation is convenient.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): as can be seen from the attached figures 1-3 of the specification, the first conjunction block 3 is clamped and loaded in the first transfer block 4, or the first transfer block 4 is knocked and installed on the first conjunction block 3, so that the skin-broken positioning tube 1 is fixed, the human body is punctured through the needle head 2, the skin-broken positioning tube 1 is deep, the observation depth is observed through the observation port for positioning, the second conjunction block 8 is buckled and installed on the second conjunction block 7, the infusion tube 6 is fixed, the infusion tube 6 is inserted into the skin-broken positioning tube 1 on the first transfer block 4, the conjunction rod 5 is inserted into the conjunction hole, the semi-cylinder is inserted into one section of the skin-broken positioning tube 1 for conjunction and butt joint, and is further transferred on the infusion apparatus through the adapter 10, so that the anesthetic flows into the infusion tube 6 through the catheter 9 and enters the human body; when the operation is finished, the skin-breaking positioning tube 1 and the infusion tube 6 can be detached for recycling, and the first transfer block 4 and the second transfer block 8 are sterilized and reused.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "insert," "nest," "snap," "weld," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. A disposable epidural dual chamber needle comprising: a skin breaking positioning structure and an infusion structure; the device is characterized in that the infusion structure is inserted into the skin breaking positioning structure;

broken skin location structure includes: the skin-breaking positioning device comprises a skin-breaking positioning tube (1), a needle head (2), a first conjunction block (3), a first transfer block (4) and a pair of conjunction rods (5) with the same structure;

the skin breaking positioning tube (1) is of a hollow structure, the needle head (2) is welded at one end of the skin breaking positioning tube (1), the first conjunction block (3) is sleeved at the other end of the skin breaking positioning tube (1), the first transfer block (4) is provided with a first conjunction groove, the first transfer block (4) is buckled with the first conjunction block (3), and one end of each conjunction rod (5) is welded on the right side wall surface of the first transfer block (4);

the infusion structure comprises: an infusion tube (6), a second conjunction block (7), a second adapter block (8), a catheter (9) and an adapter (10);

the infusion tube (6) is of a hollow structure, the second conjunction block (7) is sleeved at one end of the infusion tube (6), a protruding semi-cylinder is arranged at the left end of the second transfer block (8), second conjunction grooves are formed in the center of the upper wall face of the second transfer block, the second transfer block (8) is buckled on the second conjunction block (7), the infusion tube (6) is located in the semi-cylinder, a pair of conjunction holes with the same structure are formed in the left wall face of the infusion tube, one end of the liquid guide tube (9) is connected to one end of the infusion tube (6), and the adapter (10) is arranged at the other end of the liquid guide tube (9).

2. The disposable epidural double-chamber puncture needle according to claim 1, wherein: viewing ports are formed in one side wall of the skin breaking positioning pipe (1) at equal intervals.

3. The disposable epidural double-chamber puncture needle according to claim 1, wherein: the diameter of the infusion tube (6) is smaller than that of the positioning tube (1).

4. The disposable epidural double-chamber puncture needle according to claim 1, wherein: the diameter of the semi-cylinder is smaller than that of the skin-breaking positioning pipe (1).

5. The disposable epidural double-chamber puncture needle according to claim 1, wherein: the first transfer block (4) and the second transfer block (8) are both rectangular structures.