CN213249566U

CN213249566U - Infant puncture tube

Info

Publication number: CN213249566U
Application number: CN202021727034.8U
Authority: CN
Inventors: 林冰纯; 郑学辉
Original assignee: Shenzhen Maternity And Child Healthcare Hospital
Current assignee: Shenzhen Maternity And Child Healthcare Hospital
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-05-25
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses an infant puncture tube relates to medical instrument technical field, has solved the problem that the current puncture tube of chest is not suitable for infant to do the puncture, and its technical scheme main points are: the main pipe comprises a main pipe body and a plug-in connector arranged at the rear end of the main pipe body, wherein a plurality of side holes are distributed in the main pipe body along the axis direction of the main pipe body, and a breaking joint is arranged at the front end of the main pipe body and comprises a plurality of coaxially arranged breaking pipes; the front end of each broken pipe is provided with an outer conical curved surface, the rear end of each broken pipe is provided with an inner conical curved surface, and the inner conical curved surfaces of the broken pipes are matched with the outer conical curved surfaces of the adjacent broken pipes; at least one breaking piece is arranged between the inner conical curved surface of each breaking pipe and the outer conical curved surface of the adjacent breaking pipe. The length of the broken section can be flexibly adjusted, the length of the side hole inserted into the thoracic cavity and stretched when different people do thoracocentesis can be adapted, and the applicability is strong; meanwhile, the broken pipe positioned at the front end of the broken section is always arranged in a pointed end manner, so that the puncture is convenient to insert.

Description

Infant puncture tube

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, it relates to an infant puncture tube.

Background

Thoracentesis refers to the operation of puncturing the skin, intercostal tissues, parietal pleura and entering the pleural cavity with a sterilized needle. In the clinical work of the department of pneumology, thoracentesis is a common, convenient and simple diagnosis and treatment method, and the main apparatus is a puncture needle matched with a puncture tube.

The existing puncture tube comprises a main tube body, a plug connector and side holes, wherein the plug connector is arranged at the rear end of the main tube body, and the side holes penetrate through the side wall of the main tube body and are arranged at intervals along the axial direction of the main tube body. The puncture needle is inserted through the plug and extends out of the front end of the main pipe body after penetrating through the main pipe body.

However, the side hole near the front end of the main tube in the existing puncture tube is at least 5cm away from the front end of the main tube, and the side hole needs to be placed into the thoracic cavity when puncturing the thoracic cavity. For infants, the extension length is too long during puncture, and the existing puncture tube is not suitable for puncturing infants. Therefore, how to research and design an infant puncture tube with strong applicability is a problem which is urgently needed to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an infant puncture tube, which can flexibly adjust the length of a broken joint, can adapt to the length of a side hole which is put into a thoracic cavity and extends into the thoracic cavity when different people do thoracocentesis, and has strong applicability; meanwhile, the broken pipe positioned at the front end of the broken section is always arranged in a pointed end manner, so that the puncture is convenient to insert.

The above technical purpose of the present invention can be achieved by the following technical solutions: an infant puncture tube comprises a main tube body and a plug connector arranged at the rear end of the main tube body, wherein a plurality of side holes are distributed in the main tube body along the axis direction of the main tube body, and a breaking joint is arranged at the front end of the main tube body and comprises a plurality of coaxially arranged breaking tubes; the front end of each broken pipe is provided with an outer conical curved surface, the rear end of each broken pipe is provided with an inner conical curved surface, and the inner conical curved surfaces of the broken pipes are matched with the outer conical curved surfaces of the adjacent broken pipes; at least one breaking piece is arranged between the inner conical curved surface of each breaking pipe and the outer conical curved surface of the adjacent breaking pipe.

By adopting the technical scheme, the broken pipes are twisted, so that the broken pieces between the adjacent broken pipes are broken, the length of the broken joint is convenient to flexibly adjust, the length of the side hole inserted into the thoracic cavity and stretched into the thoracic cavity can be adapted to different people when thoracocentesis is performed, and the applicability is strong; the inner cone curved surface is matched with the outer cone curved surface, so that the broken pipe positioned at the front end of the broken joint is always arranged in a pointed end manner, and the puncture is convenient to insert.

The utility model discloses further set up to: the outer cone curved surface ring is provided with an annular groove, the inner cone curved surface ring is provided with an annular bulge, and the annular bulge is matched with the annular groove of the adjacent broken pipe in a clamping mode.

Through adopting above-mentioned technical scheme, annular protrusion and annular groove cooperation can strengthen the stability of being connected between the adjacent rupture pipe, prevent that the unexpected cracked condition of rupture pipe from taking place.

The utility model discloses further set up to: one end of the breaking piece is connected with the inner wall of the annular groove, the other end of the breaking piece is connected with the outer wall of the corresponding annular protrusion, and the breaking line of the breaking piece is located in the annular groove.

Through adopting above-mentioned technical scheme, when the torsional fracture made the fracture piece disconnection for the part is left to the fracture piece tip is located the annular groove, makes the outer cone curved surface as the pointed end keep smooth.

The utility model discloses further set up to: the short-diameter end ring of the outer conical curved surface is provided with an arc-shaped protrusion, the short-diameter end ring of the inner conical curved surface is provided with an arc-shaped groove, and the arc-shaped protrusion is in inserting fit with the corresponding arc-shaped groove.

Through adopting above-mentioned technical scheme, arc arch and the cooperation of arc recess can restrict relative axis and remove between the adjacent disconnected pipe, avoid outer cone curved surface fold and the cracked condition of interior cone curved surface to take place.

The utility model discloses further set up to: the breaking length between the long diameter end of the outer conical curved surface and the rear end of the breaking pipe is 1 cm.

By adopting the technical scheme, the length of the broken section can be adjusted according to the group adaptability of different age groups.

The utility model discloses further set up to: the length of the main pipe body is 15cm, the total length of the breaking sections is 5cm, and the outer diameter of the main pipe body is 7F.

Through adopting above-mentioned technical scheme, can enough satisfy the length demand when adult punctures, also can satisfy the diameter size demand when infant punctures.

The utility model discloses further set up to: the back end cover of being responsible for the body is equipped with solid fixed ring, and gu fixed ring wears to be equipped with the shutoff bolt.

By adopting the technical scheme, the main pipe body is extruded and plugged after the plugging bolt extends into the fixed ring.

To sum up, the utility model discloses following beneficial effect has:

1. the broken pipes are turned by twisting, so that the broken pieces between the adjacent broken pipes are broken, the length of the broken joints is convenient to flexibly adjust, the side hole can be placed into the thoracic cavity to extend into the length when different people do thoracocentesis, and the applicability is strong; the inner cone curved surface is matched with the outer cone curved surface, so that the broken pipe positioned at the front end of the broken joint is always arranged in a sharp end, and the puncture is convenient to put in;

2. the annular bulge is matched with the annular groove, so that the connection stability between adjacent broken pipes can be enhanced, and the condition that the broken pipes are broken accidentally is prevented;

3. when the torsional fracture breaks to break the breaking piece, the remaining part of the end part of the breaking piece is positioned in the annular groove, so that the outer conical curved surface serving as the tip is kept smooth;

4. the arc-shaped bulges are matched with the arc-shaped grooves, so that the relative axial movement between adjacent broken pipes can be limited, and the condition that the outer cone curved surface is folded and the inner cone curved surface is broken is avoided.

Drawings

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

Fig. 1 is a schematic view of the overall structure in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a broken tube according to an embodiment of the present invention;

fig. 3 is a schematic structural view of another view of the rupture tube in an embodiment of the present invention;

FIG. 4 is a schematic view of the connection structure between the broken pipes in the embodiment of the present invention;

fig. 5 is an enlarged schematic view at a in fig. 4.

In the figure: 101. a primary tube; 102. a plug-in connector; 103. breaking the joints; 104. a side hole; 105. a fixing ring; 106. plugging the bolt; 201. breaking the tube; 202. an outer conical surface; 203. an annular groove; 204. an arc-shaped bulge; 205. an inner conical curved surface; 206. an annular projection; 207. an arc-shaped groove; 208. and breaking the part.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings 1 to 5 and the embodiments.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): an infant puncture tube, as shown in fig. 1-3, comprises a main tube body 101 and a plug 102 arranged at the rear end of the main tube body 101, wherein a plurality of side holes 104 are arranged on the main tube body 101 along the axis direction, a breaking joint 103 is arranged at the front end of the main tube body 101, and the breaking joint 103 comprises a plurality of coaxially arranged breaking tubes 201. The front end of the broken pipe 201 is provided with an outer conical curved surface 202, the rear end is provided with an inner conical curved surface 205, and the inner conical curved surface 205 of the broken pipe 201 is matched with the outer conical curved surface 202 of the adjacent broken pipe 201. At least one breaking piece 208 is provided between the inner tapered surface 205 of the broken pipe 201 and the outer tapered surface 202 of the adjacent broken pipe 201 (refer to fig. 5). In the present embodiment, three breaking pieces 208 are provided between adjacent breaking pipes 201, and the number thereof can be increased or decreased. The broken pipes 201 are twisted, so that the broken pieces 208 between the adjacent broken pipes 201 are broken, the length of the broken joints 103 is convenient to flexibly adjust, the side hole 104 can be placed into the thoracic cavity to extend into the length when different people do thoracocentesis, and the applicability is strong; the inner conical curved surface 205 is matched with the outer conical curved surface 202, so that the broken pipe 201 at the front end of the broken joint 103 is always arranged in a pointed manner, and the puncture insertion is facilitated.

As shown in fig. 2 and 3, the outer conical curved surface 202 is annularly provided with an annular groove 203, the inner conical curved surface 205 is provided with an annular protrusion 206, and the annular protrusion 206 is in snap fit with the annular groove 203 of the adjacent broken pipe 201. Annular protrusion 206 and annular groove 203 cooperation can strengthen the stability of being connected between the adjacent disconnected pipe 201, prevent that the unexpected cracked condition of disconnected pipe 201 from taking place.

As shown in fig. 5, the breaking piece 208 is connected to the inner wall of the annular groove 203 at one end and to the outer wall of the corresponding annular protrusion 206 at the other end, and the breaking line of the breaking piece 208 is located in the annular groove 203. When the torsional break breaks the break piece 208, the end remaining portion of the break piece 208 is caused to be located within the annular groove 203, so that the outer conical curved surface 202 as a tip is kept smooth.

As shown in fig. 2-4, the short-diameter end ring of the outer conical curved surface 202 is provided with an arc-shaped protrusion 204, the short-diameter end ring of the inner conical curved surface 205 is provided with an arc-shaped groove 207, and the arc-shaped protrusion 204 is inserted into and matched with the corresponding arc-shaped groove 207. The arc-shaped protrusion 204 and the arc-shaped groove 207 are matched, so that the relative axial movement between the adjacent broken pipes 201 can be limited, and the situation that the outer conical curved surface 202 is folded and the inner conical curved surface 205 is broken is avoided.

In the present embodiment, the breaking length between the long diameter end of the outer conical curved surface 202 and the rear end of the breaking tube 201 is 1cm, so that the length of the breaking joint 103 can be adjusted according to the population adaptability of different age groups.

In this embodiment, the length of the main pipe body 101 is 15cm, the total length of the break-off joint 103 is 5cm, and the outer diameter of the main pipe body 101 is 7F. The length requirement of the adult during puncture can be met, and the diameter requirement of the infant during puncture can also be met.

As shown in fig. 1, a fixing ring 105 is sleeved on the rear end of the main pipe body 101, a plugging bolt 106 is arranged in the fixing ring 105 in a penetrating manner, and the plugging bolt 106 extrudes and plugs the main pipe body 101 after extending into the fixing ring 105.

The working principle is as follows: the broken pipes 201 are twisted, so that the broken pieces 208 between the adjacent broken pipes 201 are broken, the length of the broken joints 103 is convenient to flexibly adjust, the side hole 104 can be placed into the thoracic cavity to extend into the length when different people do thoracocentesis, and the applicability is strong; the inner conical curved surface 205 is matched with the outer conical curved surface 202, so that the broken pipe 201 at the front end of the broken joint 103 is always arranged in a pointed manner, and the puncture insertion is facilitated.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. An infant puncture tube comprises a main tube body (101) and a plug connector (102) arranged at the rear end of the main tube body (101), wherein a plurality of side holes (104) are distributed on the main tube body (101) along the axis direction, and the infant puncture tube is characterized in that a breaking joint (103) is arranged at the front end of the main tube body (101), and the breaking joint (103) comprises a plurality of coaxially arranged breaking tubes (201); the front end of each broken pipe (201) is provided with an outer conical curved surface (202), the rear end of each broken pipe is provided with an inner conical curved surface (205), and the inner conical curved surfaces (205) of the broken pipes (201) are matched with the outer conical curved surfaces (202) of the adjacent broken pipes (201); at least one breaking piece (208) is arranged between the inner conical curved surface (205) of the breaking pipe (201) and the outer conical curved surface (202) of the adjacent breaking pipe (201).

2. An infant puncture tube according to claim 1, wherein the outer conical surface (202) is annularly provided with an annular groove (203), the inner conical surface (205) is provided with an annular protrusion (206), and the annular protrusion (206) is in snap fit with the annular groove (203) of the adjacent rupture tube (201).

3. An infant puncture tube according to claim 2, wherein the rupture member (208) is connected at one end to the inner wall of the annular groove (203) and at the other end to the outer wall of the corresponding annular projection (206), and the rupture line of the rupture member (208) is located in the annular groove (203).

4. An infant puncture tube according to claim 1, wherein the short-diameter end ring of the outer conical surface (202) is provided with an arc-shaped protrusion (204), the short-diameter end ring of the inner conical surface (205) is provided with an arc-shaped groove (207), and the arc-shaped protrusion (204) is in inserted fit with the corresponding arc-shaped groove (207).

5. An infant puncture tube according to claim 1, wherein the break length between the major diameter end of the outer conical curved surface (202) and the rear end of the break tube (201) is 1 cm.

6. An infant puncture tube according to claim 1, wherein the length of the main tube body (101) is 15cm, the total length of the break-off section (103) is 5cm, and the outer diameter of the main tube body (101) is 7F.

7. A baby puncture tube according to any one of claims 1-6, characterized in that the rear end of the main tube (101) is sleeved with a fixing ring (105), and the fixing ring (105) is provided with a blocking bolt (106).