CN213252374U - Medical cannula - Google Patents
Medical cannula Download PDFInfo
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- CN213252374U CN213252374U CN202021687620.4U CN202021687620U CN213252374U CN 213252374 U CN213252374 U CN 213252374U CN 202021687620 U CN202021687620 U CN 202021687620U CN 213252374 U CN213252374 U CN 213252374U
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- puncture
- tube body
- puncture part
- medical
- pressure regulating
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Abstract
The utility model discloses a medical intubate relates to medical supplies technical field, include: the puncture device comprises a tube body and a puncture part positioned at the end part of the tube body; an output port is arranged at one end of the pipe body close to the puncture part, an input port is arranged at the other end of the pipe body, and a gas-liquid flowing cavity for connecting the input port and the output port is arranged in the pipe body; a containing cavity for receiving the puncture part under negative pressure is formed in the puncture part, a pressure regulating hole is formed in one end of the tube body, and the pressure regulating hole is communicated with the containing cavity; the tube body and the puncture part are made of heat-sensitive rubber. Compared with the prior art, the utility model discloses a medical intubate has solved prior art intubate and has inserted human back through the collapsible technical scheme of puncture portion, and puncture portion causes the problem of secondary injury to the human body, has obtained the simple operation, and the use carries out the beneficial effect protected to the human body.
Description
Technical Field
The utility model relates to a medical supplies technical field especially relates to a medical intubate.
Background
The intubation tube is a product commonly used in the medical field, and when the intubation tube is used, an operator inserts the catheter into a human body through the body surface and the inner cavity of the human body so as to input and suck out gas or liquid.
The intubation tube mainly comprises two parts, namely a puncture part and a tube body, and when the intubation tube is used, the sharp puncture part is used for being inserted into a human body, and then the tube body is led into the human body.
When the tube body is guided into a human body, the puncture part is still positioned at the foremost end of the cannula, and when the tube body moves forwards, if the operation is wrong, the puncture part easily touches the wall of a blood vessel or the wall of a trachea, so that the human body is injured.
Disclosure of Invention
The embodiment of the utility model provides a medical intubate can effectively avoid the intubate to insert human back, and its puncture part causes the secondary injury to the human body.
In order to achieve the above object, an embodiment of the present invention provides a medical cannula, including: the puncture device comprises a tube body and a puncture part positioned at the end part of the tube body;
an output port is arranged at one end of the pipe body close to the puncture part, an input port is arranged at the other end of the pipe body, and a gas-liquid flowing cavity for connecting the input port and the output port is arranged in the pipe body;
a containing cavity for receiving the puncture part under negative pressure is formed in the puncture part, a pressure regulating hole is formed in one end of the tube body, and the pressure regulating hole is communicated with the containing cavity;
the tube body and the puncture part are made of heat-sensitive rubber.
Compared with the prior art, the utility model discloses a medical intubate has solved prior art intubate and has inserted human back through the collapsible technical scheme of puncture portion, and puncture portion causes the problem of secondary injury to the human body, has obtained the simple operation, and the use carries out the beneficial effect protected to the human body.
As an improvement of the scheme, the heat-sensitive rubber is a high molecular polymer.
As an improvement of the scheme, the heat-sensitive rubber is high-elasticity medical blending polyurethane.
As an improvement of the scheme, a sealing plug is arranged at the pressure regulating hole.
Has the beneficial effects that:
1. the intubation tube has high thermal sensitivity, and the conversion between the rigidity and the elasticity of the intubation tube can be realized by adjusting the temperature of the intubation tube;
2. the security is higher, through utilizing the cylinder, will accomodate the gas of intracavity and take out, can will shrink gradually and get into and accomodate the intracavity, realize the effect of accomodating, continue at this moment with the body introduce human in can, because of the puncture part has been accomodate, the event can not exist to stabbing the human condition, play the effect of protection to the human body.
3. The reduction operation of puncture portion is comparatively simple and convenient, when launching puncture portion once more, only need reuse the cylinder, to accomodate the intracavity impress gaseous can, accomodate the inflation in chamber and will drive puncture portion and bring back initial position.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of the internal structure of the embodiment of the present invention.
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 efforts belong to the protection scope of the present invention.
It is to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The terms "comprises" and "comprising" indicate the presence of the described features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The term "and/or" refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1 and fig. 2, wherein fig. 1 is a schematic diagram of a specific structure of an embodiment of the present invention, and fig. 2 is a schematic diagram of an internal structure of an embodiment of the present invention.
A medical cannula comprises a tube body 1 and a puncture part 2 located at the end part of the tube body 1, wherein in the embodiment, the material of the cannula is heat sensitive rubber, and specifically, the heat sensitive rubber is high molecular polymer. When the temperature of the cannula is higher than 28 ℃, the heat-sensitive rubber is in a high-elasticity state, and when the temperature is lower than 28 ℃, the material is in a glass state, has high rigidity and hardness, and can pierce the skin.
The tube body 1 comprises a handheld end 3 and an inlet end 4, wherein the puncture part 2 is fixedly arranged on the inlet end 4, in addition, an output port 5 is arranged on the inlet end 4, an input port 6 is arranged on the handheld end 3, a gas-liquid flowing cavity 7 is arranged in the tube body, and the gas-liquid flowing cavity 7 is connected with the input port 6 and the output port 5.
The puncture part 2 is internally provided with a containing cavity 8 for the puncture part 2 to receive negative pressure, one end of the tube body 1 is provided with a pressure regulating hole 9, and the pressure regulating hole 9 is communicated with the containing cavity 8.
It should be noted that, because the cannula is made of a heat-sensitive rubber, in this embodiment, the heat-sensitive rubber is a high molecular polymer, specifically, a high-elasticity medical polyurethane blend, when the cannula is used, the cannula needs to be cooled in advance, and the cooled cannula has high rigidity and hardness, and can directly pierce the skin.
This intubate when using, the intubate is handed to the operator, utilize puncture portion 2 to pierce the skin, utilize heating instrument to heat the intubate wholly after piercing, treat that the intubate temperature rises to more than 28 degrees centigrade, can stop heating, the intubate is whole to be the high elasticity state this moment, nevertheless because puncture portion 2 is comparatively sharp-pointed, still have the risk of stabbing the human body, can insert the cylinder in pressure regulating hole 9 this moment, utilize the cylinder afterwards, take out the gas in taking in chamber 8, the in-process of bleeding, it is the negative pressure state to take in chamber 8, it will reduce gradually to take in chamber 8 volume, so puncture portion 2 will shrink gradually and enter into and take in chamber 8, realize the effect of taking in, it can in the human body to continue to introduce body 1 this moment, because of puncture portion 2 has been taken in, the event can not have the condition to stabbing the human body, play the effect of protection to the human body.
After the cannula is used, the puncturing part 2 needs to be unfolded again, preparation is made for next use, the needle cylinder only needs to be reused when the cannula is unfolded, air is pressed into the accommodating cavity 8, and the puncturing part 2 is driven to return to the initial position by expansion of the accommodating cavity 8.
As an improvement of the above scheme, a sealing plug 10 is arranged at the pressure regulating hole 9, and after the puncture part 2 finishes the storage work or the expansion work, the pressure regulating hole can be closed by covering the sealing plug 10, so that the pressure state in the storage cavity 8 can be maintained.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (4)
1. A medical cannula, comprising: the puncture device comprises a tube body and a puncture part positioned at the end part of the tube body;
an output port is arranged at one end of the pipe body close to the puncture part, an input port is arranged at the other end of the pipe body, and a gas-liquid flowing cavity for connecting the input port and the output port is arranged in the pipe body;
a containing cavity for receiving the puncture part under negative pressure is formed in the puncture part, a pressure regulating hole is formed in one end of the tube body, and the pressure regulating hole is communicated with the containing cavity;
the tube body and the puncture part are made of heat-sensitive rubber.
2. The medical cannula according to claim 1, wherein the heat sensitive rubber is a high molecular polymer.
3. The medical cannula according to claim 2, wherein the heat sensitive rubber is a high elasticity medical blend polyurethane.
4. The medical cannula according to claim 1, wherein the pressure regulating hole is provided with a sealing plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021687620.4U CN213252374U (en) | 2020-08-13 | 2020-08-13 | Medical cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021687620.4U CN213252374U (en) | 2020-08-13 | 2020-08-13 | Medical cannula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213252374U true CN213252374U (en) | 2021-05-25 |
Family
ID=75973173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021687620.4U Active CN213252374U (en) | 2020-08-13 | 2020-08-13 | Medical cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213252374U (en) |
-
2020
- 2020-08-13 CN CN202021687620.4U patent/CN213252374U/en active Active
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