Pigtail drainage tube assembly with soft head at head end

Abstract

The utility model relates to a pigtail drainage tube assembly with a soft head at the head end. The assembly comprises a pipe body, a metal supporting pipe and a supporting protection head. The front part of the tube body is an elastically-curled pigtail section, and the middle rear part of the tube body is a straight tube section; the metal supporting tube is inserted into the tube body from the rear end and is attached to the inner wall of the tube body; the front end of the pigtail section is a conical head, the supporting and protecting head is located at the foremost end of the conical head and is made of a flexible material, an annular supporting body is arranged in the tube body on the inner side of the supporting and protecting head and is made of a hard material, and the supporting and protecting head and the supporting body are provided with coaxial puncture holes which are communicated with the interior of the tube body; the diameter of the puncture hole of the supporting body is smaller than the inner diameter of the metal supporting tube. According to the pigtail drainage tube assembly with the soft head at the head end, the supporting and protecting head is made of the flexible material, and the soft supporting section and the tube body form a smooth surface with the same taper, so that stimulation and damage to tissues in the body of a patient due to the fact that the material of the head end is too hard can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a pigtail drainage tube assembly with a soft head at the head end. Background Art

[0002] A pigtail drain is a medical device used to drain fluids or gases, typically during surgery or other medical procedures. The tube is typically flexible to allow it to be passed through the patient's body and remove the fluid or gas. These drains are available in a variety of sizes and designs, tailored to the specific application and needs.

[0003] Some existing pigtail drainage tubes are inserted into the human body's channels for drainage, while others are inserted directly through a puncture in the human body's epidermis, and then the pigtail drainage tube is sent through the puncture to the location where drainage is required, such as bladder puncture drainage. However, when the tube is placed after puncture, a support tube is used from outside the body to move the inner end of the tube to the appropriate target location. The head of the existing pigtail drainage tube is relatively hard, and it is easy to cause scratches on human tissues or organs during the placement operation, which will aggravate the patient's pain and discomfort. Therefore, it is necessary to make improvements and adjustments. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems and provide a pigtail drainage tube assembly with a soft head at the head end.

[0005] The technical solution of the utility model is: a pigtail drainage tube assembly with a soft head at the head end, which includes a tube body, a metal support tube and a support protection head;

[0006] The front part of the tube body is an elastically curled pigtail section, and the middle and rear parts are straight tube sections; the metal support tube is inserted into the interior of the tube body from the rear end and is arranged in contact with the inner wall of the tube body; the front end of the pigtail section is a conical head, and the support protection head is located at the front end of the conical head and is made of flexible material. An annular support body is provided in the tube body on the inner side of the support protection head, and the support body is made of hard material. The support protection head and the support body are provided with coaxial puncture holes that are connected to the interior of the tube body; the diameter of the puncture hole of the support body is smaller than the inner diameter of the metal support tube.

[0007] The support body inside the tube body is made of hard material, which makes it easy to straighten and feed the entire tube body through the metal support tube. The tube body support and protection head is made of flexible material and fits well with the tube mouth of the tapered tube, which can reduce the stimulation and damage to the patient's internal tissue when inserting the tube; after the tube is placed, the support and protection head made of flexible material can also protect human tissue from damage when the patient moves or the cavity shrinks.

[0008] Preferably, the outer taper of the support and protection head is consistent with the taper of the conical head, the support and protection head are fixedly connected to the conical head, and the internal support body is fixedly connected to the tube body. In this way, under the support of the support tube, the drainage tube can be easily placed on the part of the human body that needs drainage.

[0009] Preferably, a puncture needle is further included, wherein the needle tip of the puncture needle is in the shape of a triangular thorn and can pass through the puncture hole inside the metal support tube and be exposed at the front end of the conical head.

[0010] Preferably, the diameter of the puncture needle is slightly smaller than the diameter of the support tube and matches the diameter of the puncture hole.

[0011] Preferably, a row of drainage holes is provided on the side wall of the pigtail tube to increase the drainage speed of the accumulated fluid or gas in the patient's body.

[0012] Preferably, the end of the tube body is provided with a connector A, which is hollow and has an external thread at its rear end; the end of the metal support tube is provided with a connector B, which is hollow and the metal support tube passes through the tube body from connector A; the front end of connector B is provided with an internal threaded connection sleeve that matches connector A, and the other end is provided with an external thread; the end of the puncture needle is provided with a connector C, which is provided with a threaded connection sleeve that matches connector B, and the puncture needle passes through connector B and enters the metal support tube. After installation, the puncture needle, the metal support tube and the tube body are fixed to each other, keeping the shape of the tube body from curling and shrinking during the puncture process, and ensuring that the tube can be placed smoothly under the support of the metal support tube after puncture.

[0013] Preferably, after the connector A, connector B and connector C are connected, the front end of the metal support tube abuts against the end of the support protection head, and the puncture needle passes through the metal support tube and the support protection head and then comes out.

[0014] The utility model discloses a pigtail drainage tube assembly with a soft head at the head end. The supporting and protective head is made of flexible material. The soft supporting section and the tube body form a smooth conical surface. During the tube insertion process, the irritation and damage to the patient's body tissue caused by the hard material of the head end can be effectively reduced. After the pigtail tube is placed in the human body's cavity, the supporting and protective head made of flexible material can also protect the human body tissue from being damaged when the patient moves or the cavity contracts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an overall schematic diagram of a pigtail drainage tube assembly with a soft tip at the head end of the utility model;

[0016] Figure 2 yes Figure 1 The overall schematic diagram after the combination;

[0017] Figure 3 yes Figure 2Schematic diagram of the end section;

[0018] Figure 4 It is a schematic diagram of the structure of the puncture needle;

[0019] Figure 5 It is a structural diagram of the metal support tube;

[0020] In the figure: 101. Straight pipe section, 102. Pigtail section, 103. Conical head,

[0021] 11. Connector A, 12. Drainage hole, 2. Support body, 3. Support protective head, 4. Metal support tube, 41. Connector B, 5. Puncture needle, 51. Connector C. DETAILED DESCRIPTION

[0022] Example 1: See Figure 1-4 , a pigtail drainage tube assembly with a soft head at the head end, comprising a tube body, a metal support tube 4 and a support protection head 3;

[0023] The front portion of the tube body is an elastically curled pigtail section 102, and the middle and rear portion is a straight tube section 101. The metal support tube 4 is inserted into the interior of the tube body from the rear end and is arranged in close contact with the inner wall of the tube body. The front end of the pigtail section 102 is a conical head 103. The support and protection head 3 is located at the front end of the conical head 103 and is made of flexible material. An annular support body 2 is provided inside the tube body on the inner side of the support and protection head 3. The support body 2 is made of hard material. The support and protection head 3 and the support body 2 are provided with a coaxial puncture hole that communicates with the interior of the tube body. The support and protection head 3 can better support the head end of the tube body, preventing the metal support tube 4 from passing through the catheter head end, causing patient injury and puncture and catheterization failure. The diameter of the puncture hole of the support body 2 is smaller than the inner diameter of the metal support tube 4.

[0024] The support body 2 inside the tube body is made of hard material, which makes it easy to straighten and feed the entire tube body through the metal support tube 4. The tube body support and protection head 3 is made of flexible material, such as silicone, and fits well with the tube mouth of the conical tube, which can reduce the stimulation and damage to the patient's internal tissue when inserting the tube; after the tube is placed, the support and protection head 3 made of flexible material can also protect human tissue from damage when the patient moves or the cavity shrinks.

[0025] The outer taper of the support and protection head 3 is consistent with the taper of the conical head 103. The support and protection head 3 is fixedly connected to the conical head 103, and the internal support body 2 is fixedly connected to the tube body. In this way, under the support of the support tube, the drainage tube can be easily placed on the part of the human body that needs drainage.

[0026] The puncture needle 5 is also included. The needle tip of the puncture needle 5 is in the shape of a triangular thorn and can pass through the puncture hole inside the metal support tube 4 and be exposed at the front end of the conical head 103.

[0027] The diameter of the puncture needle 5 is slightly smaller than the diameter of the support tube and matches the diameter of the puncture hole.

[0028] A row of drainage holes 12 are provided on the side wall of the pigtail section 102 to increase the drainage speed of the accumulated fluid or gas in the patient's body.

[0029] The end of the tube body is provided with a connector A 11, which is hollow and has an external thread at its rear end. The end of the metal support tube 4 is provided with a connector B 41, which is hollow and allows the metal support tube 4 to pass through the tube body from the connector A 11. The front end of the connector B 41 is provided with an internal threaded connection sleeve that matches the connector A 11, and the other end is provided with an external thread. The end of the puncture needle 5 is provided with a connector C 51, which is provided with a threaded connection sleeve that matches the connector B 41. The puncture needle 5 passes through the connector B 41 and enters the metal support tube 4. After installation, the puncture needle 5, the metal support tube 4, and the tube body are fixed to each other, keeping the shape of the tube body from curling and shrinking during the puncture process, and ensuring that the tube can be placed smoothly under the support of the metal support tube 4 after puncture.

[0030] After the connector A 11 , connector B 41 and connector C 51 are connected, the front end of the metal support tube 4 abuts against the end of the support protection head 3 , and the puncture needle 5 passes through the metal support tube 4 and the support protection head 3 and then exits.

[0031] The use process of the drainage tube assembly in this embodiment:

[0032] ① Insert the metal support tube 4 into the tube body from the joint A 11, gradually straighten the curled pigtail section 102, and then connect and fix the joint B 41 to the joint A 11. The front end of the metal support tube 4 is pressed against the inner end surface of the support body 2, and the entire tube body is stretched and straightened. The tube body moves with the metal support tube 4;

[0033] ② Insert the puncture needle 5 through the connector B 41 into the metal support tube 4 and out of the tube body, then connect and fix the connector C 51 to the connector B 41, and the front end of the puncture needle 5 passes through the puncture hole and exposes the needle tip;

[0034] ③ Puncture the area of the patient that requires drainage, and after the puncture needle 5 passes through the skin and enters the body, or enters the cavity of some organs, withdraw the puncture needle 5;

[0035] ④ By operating the metal support tube 4, the tube body is deeply placed. During this operation, even if the tissue is touched, the front end of the tube body is a flexible support and protection head 3, which will not cause damage or irritation to the tissue. When the pigtail section 102 of the tube body enters the target position, the metal support tube 4 is withdrawn.

[0036] ⑤ When the support of the metal support tube 4 is lost, the pigtail section 102 curls up to form a positioning structure, and drainage and exhaust work can be carried out.

Claims

1. A pigtail drainage tube assembly with a soft tip, characterized by: It includes a pipe body, a metal support pipe and a support protection head; The front part of the tube body is an elastically curled pigtail section, and the middle and rear parts are straight tube sections; the metal support tube is inserted into the interior of the tube body from the rear end and is arranged in contact with the inner wall of the tube body; the front end of the pigtail section is a conical head, and the support protection head is located at the front end of the conical head and is made of flexible material. An annular support body is provided in the tube body on the inner side of the support protection head, and the support body is made of hard material. The support protection head and the support body are provided with coaxial puncture holes that are connected to the interior of the tube body; the diameter of the puncture hole of the support body is smaller than the inner diameter of the metal support tube.

2. The pigtail drainage tube assembly with a soft tip according to claim 1, characterized in that: The outer taper of the support and protection head is consistent with the taper of the conical head. The support and protection head is fixedly connected to the conical head, and the internal support body is fixedly connected to the tube body.

3. The pigtail drainage tube assembly with a soft tip according to claim 1, characterized in that: The invention also comprises a puncture needle, the needle tip of which is in the shape of a triangular thorn and can pass through the puncture hole inside the metal support tube and be exposed at the front end of the conical head.

4. The pigtail drainage tube assembly with a soft tip according to claim 3, characterized in that: The diameter of the puncture needle is slightly smaller than the diameter of the support tube and matches the diameter of the puncture hole.

5. The pigtail drainage tube assembly with a soft tip according to claim 1, characterized in that: A row of drainage holes is provided on the side wall of the pigtail tube.

6. The pigtail drainage tube assembly with a soft tip according to any one of claims 3-4, characterized in that: The end of the tube body is provided with a connector A, which is hollow and has an external thread on its rear end; the end of the metal support tube is provided with a connector B, which is hollow and the metal support tube passes through the tube body from the connector A; the front end of the connector B is provided with an internal threaded connection sleeve that matches the connector A, and the other end is provided with an external thread; the end of the puncture needle is provided with a connector C, which is provided with a threaded connection sleeve that matches the connector B, and the puncture needle passes through the connector B and enters the metal support tube.

7. The pigtail drainage tube assembly with a soft tip according to claim 6, characterized in that: After the connector A, connector B and connector C are connected, the front end of the metal support tube abuts against the inner end surface of the support body, and the puncture needle passes through the metal support tube and the puncture hole and then comes out.

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