CN113942237A

CN113942237A - Heat seal processing method of medical blood expeller

Info

Publication number: CN113942237A
Application number: CN202111216538.2A
Authority: CN
Inventors: 张颖
Original assignee: AUCKLAND MEDICAL POLYMER (TIANJIN) CO LTD
Current assignee: Auckland Medical Technology Sichuan Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-01-18
Anticipated expiration: 2041-10-19
Also published as: CN113942237B

Abstract

The invention relates to the technical field of medical instruments, in particular to a heat seal processing method of a medical blood expeller, which comprises the steps of preparing materials, preparing a TPU film A, TPU film B, a sealing strip and a gel valve body, then adhering the gel valve body to the upper end of the TPU film A, adhering the TPU film B to the upper end of the gel valve body, placing the gel valve body in the middle of the TPU film A, placing a metal cylinder at the upper end of the TPU film B, pressing down the metal cylinder through a heat seal sealing machine to enable the gel valve body and the TPU film A, TPU film B to be mutually heat-sealed, then carrying out heat seal on the short side of the TPU film A, preparing a metal base plate A, coating the TPU film A on the metal base plate A, and carrying out heat seal on the short side of the TPU film A. The sealing strip is arranged in the blood expeller before sealing, so that the inner layer film of the main body of the blood expeller can be effectively prevented from being damaged during sealing, the sealing strip is non-conductive, and the skin of a patient can be effectively protected during the operation.

Description

Heat seal processing method of medical blood expeller

Technical Field

The invention relates to the technical field of medical instruments, in particular to a heat seal processing method of a medical blood expeller.

Background

At present, in the operation of limbs, in order to reduce blood loss of patients, improve operation efficiency and shorten operation time, the steps of blood dispelling and hemostasis are often required to be implemented, and blood supply is blocked to reduce bleeding, so that a clear visual field can be provided for the operation, and an operation area is better exposed. The tourniquet is divided into a rubber tourniquet and an inflatable tourniquet, wherein the inflatable blood-displacing device is divided into a manual type and an electric type, is mainly used for limbs of adults and children, consists of an air bag body and an inflating device, and has wide application range.

For example, chinese patent No. CN202011222109.1 discloses an inflatable tourniquet, which comprises a tourniquet and a tourniquet connected to one end of the tourniquet, wherein the end of the tourniquet connected to the tourniquet is a proximal end, and the other end is a limb end; the blood-displacing belt comprises a strip-shaped bag body and air bags, wherein the bag body is provided with a suture line, the suture line divides the bag body into at least two containing cavities which are arranged along the direction from the tail end of a limb to the proximal end of the limb, and the air bags which are in one-to-one correspondence with the containing cavities are arranged in the containing cavities; the air bag at the tail end of the limb is provided with an inflation tube, and the inflation tube is also provided with an inflation valve; a communicating pipe for communicating the two air bags is arranged between the two adjacent air bags, and a first pneumatic valve is arranged on the communicating pipe; after the air bag is inflated through the inflation tube, the first air pressure valve is opened when the pressure of the air bag connected with the communicating tube is increased to the threshold value of the first air pressure valve; tightening fixing parts are arranged on the tourniquet and the tourniquet, the first pneumatic valve comprises a pneumatic valve air inlet pipe and a pneumatic valve air outlet pipe, one end, supplied with air, of the pneumatic valve air inlet pipe is an air flow input end, and the other end of the pneumatic valve air inlet pipe is communicated with the atmospheric pressure; a first spring seat is arranged in the air inlet pipe of the air pressure valve close to the airflow input end, two first pistons connected through a connecting rod are arranged in the middle of the air inlet pipe of the air pressure valve, the first pistons can slide along the inside of the air inlet pipe of the air pressure valve under the action of air pressure, and the first pistons close to the airflow input end are connected with the first spring seat through first springs; the first spring is in a natural state, the part between the two first pistons on the air inlet pipe of the air pressure valve is communicated with one end of an air outlet pipe of the air pressure valve, and the other end of the air outlet pipe of the air pressure valve is an air flow output end; when the air pressure at the air flow input end is lower than a threshold value, the two first pistons are respectively positioned at two sides of the connecting part of the air pressure valve air inlet pipe and the air pressure valve air outlet pipe, the air pressure valve air inlet pipe is not communicated with the air pressure valve air outlet pipe, and the first air pressure valve is closed; when the air pressure at the air flow input end reaches a threshold value, the first piston close to the air flow input end slides to the joint of the air inlet pipe of the air pressure valve and the air outlet pipe of the air pressure valve, the air inlet pipe of the air pressure valve is communicated with the air outlet pipe of the air pressure valve, and the first air pressure valve is opened.

The sealing method of the existing inflatable hemospast product is a sealing method which is commonly used at present, the sealing method is simple and convenient, but the inner membrane of the inflatable hemospast is easy to damage when the hemospast is sealed, so that the external air can enter the inside of the hemospast easily, and the problem of the air leakage of the hemospast is easy to generate.

Therefore, a heat sealing processing method of the medical blood expeller is particularly provided to solve the problems.

Disclosure of Invention

The invention provides a heat seal processing method of a medical hemospast, the hemospast is manufactured by adopting the heat seal process of the invention, and as the material adopted by the hemospast main body is thinner, the heat seal processing method of the invention places a sealing strip in the hemospast before sealing, which can effectively ensure that the inner layer membrane of the hemospast main body is not damaged during sealing, and the sealing strip is non-conductive, and can effectively protect the skin of a patient during the operation.

The technical scheme adopted by the invention for solving the technical problems is as follows: a heat seal processing method of a medical blood expeller comprises the following steps:

s1, preparing materials, namely preparing a TPU film A, TPU film B, a sealing strip and a gel valve body;

s2, adhering the gel valve body to the upper end of the TPU film A, and adhering the TPU film B to the upper end of the gel valve body;

s3, placing a metal cylinder at the upper end of the TPU film B, and pressing the metal cylinder downwards through a heat seal sealing machine to enable the gel valve body and the TPU film A, TPU film B to be in heat seal with each other;

s4, carrying out heat seal on the short edge of the TPU film A, preparing a metal backing plate A, coating the TPU film A on the metal backing plate A, folding and aligning the short edge of the TPU film A, and then carrying out heat seal on the short edge of the TPU film A to form a cylindrical structure;

s5, performing heat seal on the long side of the TPU film A, preparing a metal backing plate A, wrapping a cylinder on the metal backing plate A, turning over the two sides of the cylinder and folding the two sides of the cylinder to the middle, and performing heat seal sealing to form a circular ring-shaped structure;

and S6, placing the sealing strip into the ring, adjusting the position, padding the sealing strip at the lower end of the sealing position, and carrying out heat sealing.

Further, in the step S5, an opening is left when the long side of the TPU film a is heated.

Further, the sealing strip in the step S6 is put into the ring through the opening, and the opening is sealed by heat sealing.

Further, when the long side of the TPU film a is heated in step S5, a metal pad B is placed on the metal pad a, and the metal pad B is placed on the lower end of the seal of the long side.

Further, after the long side of the TPU film a is heat sealed in step S5, the metal gasket B is taken out from the opening.

Further, after the gel valve body and the TPU film A, TPU B are heat-sealed with each other in step S3, the remaining part of the outer edge of the TPU film B is cut along the outer circumference of the gel valve body.

Further, before use, the surfaces of the metal base plate A and the metal base plate B need to be evenly coated with alcohol for sterilization and disinfection.

Further, the sealing strip adopts any one of a tetrafluoro cloth strip or an oil film.

The invention has the advantages that: the invention provides a heat seal processing method of a medical hemospast, the hemospast is manufactured by adopting the heat seal process of the invention, and as the material adopted by the hemospast main body is thinner, the heat seal processing method of the invention places a sealing strip in the hemospast before sealing, which can effectively ensure that the inner layer membrane of the hemospast main body is not damaged during sealing, and the sealing strip is non-conductive, and can effectively protect the skin of a patient during the operation.

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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a block flow diagram of a process of the present invention;

FIG. 2 is a schematic view of the process of the present invention in which the heat sealing step is performed at the inflation inlet;

FIG. 3 is a schematic view of the short-side heat-sealing step in the method of the present invention;

FIGS. 4 and 5 are schematic diagrams of the long-side heat-sealing step in the method of the present invention;

FIG. 6 is a schematic view of the process of the present invention at the sealing step;

FIG. 7 is a schematic structural view of a product processed by the processing method of the present invention;

wherein:

1. a hemospast body; 2. A gel valve body; 3. A TPU film A;

4. a TPU film B; 5. A metal cylinder; 6. A short side;

7. a long side; 8. A metal base plate A; 9. A metal backing plate B;

10. opening the mouth; 11. And (4) sealing strips.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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, and 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

FIG. 1 is a flow chart of a processing method of the present invention, FIG. 2 is a processing schematic diagram of a sealing step of an inflation inlet in the processing method of the present invention, FIG. 3 is a processing schematic diagram of a sealing step of a short side 6 in the processing method of the present invention, FIGS. 4 and 5 are processing schematic diagrams of a sealing step of a long side 7 in the processing method of the present invention, FIG. 6 is a processing schematic diagram of a sealing step in the processing method of the present invention, FIG. 7 is a structural schematic diagram of a product processed by the processing method of the present invention, and FIGS. 1, 2, 3, 4, 5, 6 and 7 show a sealing processing method of a medical hemorrhaging device, comprising the following steps:

s1, preparing materials, namely preparing a TPU film A3, a TPU film B4, a sealing strip 11 and a gel valve body 2, wherein the TPU film A3 adopts a rectangular film with the size of 32cm multiplied by 21cm, the sealing strip 11 adopts a rectangular cloth strip with the size of 10cm multiplied by 2cm, and the diameter of the gel valve body 2 is 4 cm;

s2, sticking the gel valve body 2 to the upper end of the TPU film A3, sticking the TPU film B4 to the upper end of the gel valve body 2, wherein the gel valve body 2 is placed in the middle of the TPU film A3;

s3, placing a metal cylinder 5 at the upper end of the TPU film B4, pressing the metal cylinder 5 downwards through a heat sealing machine to enable the gel valve body 2, the TPU film A3 and the TPU film B4 to be mutually heat-sealed, and then using scissors to cut the outer edge of the TPU film B4 along the outer circumference of the gel valve body 2 by a worker;

s4, carrying out heat sealing on the short side 6 of the TPU film A3, preparing a metal pad A8, coating the TPU film A3 on the metal pad A8, preferably, the metal pad A8 is a copper plate, folding and aligning the short side 6 of the TPU film A3, carrying out heat sealing on the short side 6 of the TPU film A3 through a heat sealing machine, and forming the TPU film A3 into a cylindrical structure, wherein the length of the short side 6 is 21 cm;

s5, carrying out heat sealing on the long side 7 of the TPU film A3, preparing a metal pad A8, wrapping a cylinder on the metal pad A8, turning the two sides of the cylinder outwards and folding the two sides of the cylinder to the middle, and carrying out heat sealing on the long side 7 of the TPU film A3 through a heat sealing machine to form a circular ring-shaped structure, wherein the length of the long side 7 is 32 cm;

and S6, placing the sealing strip 11 into the circular ring, adjusting the position, padding the sealing strip 11 at the lower end of the sealing position, and carrying out heat sealing.

According to the heat seal processing method, the sealing strip 11 is placed in the blood expeller before sealing, so that the inner film of the blood expeller main body 1 can be effectively prevented from being damaged during sealing.

Example 2:

FIG. 1 is a flow chart of a processing method of the present invention, FIG. 2 is a processing schematic diagram of a sealing step of an inflation inlet in the processing method of the present invention, FIG. 3 is a processing schematic diagram of a sealing step of a short side 6 in the processing method of the present invention, FIGS. 4 and 5 are both processing schematic diagrams of a sealing step of a long side 7 in the processing method of the present invention, FIG. 6 is a processing schematic diagram of a sealing step in the processing method of the present invention, FIG. 7 is a structural schematic diagram of a product processed by the processing method of the present invention, such as FIG. 1, FIG. 2, FIG. 3, FIG. 4, FIG. 5, FIG. 6 and FIG. 7 show a sealing processing method of a medical blood expeller, wherein an opening 10 of 2CM is left when a long side 7 of a TPU film A3 is sealed by heating in step S5, a sealing strip 11 in step S6 is placed inside a circular ring through the opening 10, the opening 10 is sealed by heating, and the opening 10 is sealed by heating in the long side 7 of the TPU film A3 in step S5, the metal backing plate B9 is placed above the metal backing plate A8, the metal backing plate B9 is padded at the lower end of the sealing position of the long edge 7, after the long edge 7 of the TPU film A3 is subjected to heat sealing in the step S5, the metal backing plate B9 is taken out from the opening 10, alcohol needs to be evenly coated on the surfaces of the metal backing plate A8 and the metal backing plate B9 before the metal backing plate A9 is used for sterilization, and therefore the wound of a patient using the blood driver in an operation can be effectively prevented from being infected.

The working mode is as follows: the invention provides a heat seal processing method of a medical blood expeller, which comprises the steps of preparing materials, preparing a TPU film A3, a TPU film B4, a sealing strip 11 and a gel valve body 2, then pasting the gel valve body 2 on the upper end of a TPU film A3, pasting a TPU film B4 on the upper end of the gel valve body 2, wherein the gel valve body 2 is placed in the middle of the TPU film A3, placing a metal cylinder 5 on the upper end of the TPU film B4, pressing down the metal cylinder 5 through a heat seal sealing machine to enable the gel valve body 2, the TPU film A3 and the TPU film B4 to be mutually heat-sealed, then using scissors to cut the outer edge of the TPU film B7 along the outer circumference of the gel valve body 2, then carrying out heat seal on the short edge 6 of the TPU film A3, preparing A8, coating the TPU film A3 on a metal backing plate A8, folding and aligning the short edge 6 of the TPU film A3, then carrying out heat seal 539 sealing on the short edge 6 of the TPU film A3, forming a TPU film A into a cylindrical structure, carrying out heat sealing on a long side 7 of the TPU film A3, preparing a metal backing plate A8, wrapping a cylinder on the metal backing plate A8, turning the two sides of the cylinder outwards and folding the two sides of the cylinder to the middle, carrying out heat sealing on the long side 7 of the TPU film A3 through a heat sealing machine to form a circular ring-shaped structure, putting a sealing strip 11 into the circular ring by an operator, adjusting the position, then padding the sealing strip 11 at the lower end of the sealing position, carrying out heat sealing, and finishing processing.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The heat seal processing method of the medical blood expeller is characterized by comprising the following steps:

s1, preparing materials, namely preparing a TPU film A (3), a TPU film B (4), a sealing strip (11) and a gel valve body (2);

s2, adhering the gel valve body (2) to the upper end of the TPU film A (3), and adhering the TPU film B (4) to the upper end of the gel valve body (2);

s3, placing a metal cylinder (5) at the upper end of the TPU film B (4), and pressing the metal cylinder (5) downwards through a heat seal sealing machine to enable the gel valve body (2), the TPU film A (3) and the TPU film B (4) to be mutually heat-sealed;

s4, carrying out heat seal on the short side (6) of the TPU film A (3), preparing a metal backing plate A (8), coating the metal backing plate A (8) with the TPU film A (3), folding and aligning the short side (6) of the TPU film A (3), then carrying out heat seal on the short side (6) of the TPU film A (3), and forming the TPU film A (3) into a cylindrical structure;

s5, performing heat seal on the long side (7) of the TPU film A (3), preparing a metal backing plate A (8), wrapping a cylinder on the metal backing plate A (8), turning the two sides of the cylinder outwards and folding the cylinder to the middle, and performing heat seal sealing to form a circular structure;

and S6, placing the sealing strip (11) into the circular ring, adjusting the position, padding the sealing strip (11) at the lower end of the sealing position, and carrying out heat sealing.

2. The heat sealing method for the medical hemospast according to claim 1, characterized in that: in the step S5, an opening (10) is left when the long side (7) of the TPU film A (3) is heated.

3. The heat sealing method for the medical hemospast according to claim 2, characterized in that: and the sealing strip (11) in the step S6 is placed into the circular ring through the opening (10), and the opening (10) is sealed in a heat sealing way.

4. The heat sealing method for the medical hemospast according to claim 2, characterized in that: in the step S5, when the long side (7) of the TPU film a (3) is heated, the metal pad B (9) is placed above the metal pad a (8), and the metal pad B (9) is padded at the lower end of the seal of the long side (7).

5. The heat sealing method for the medical hemospast according to claim 4, characterized in that: and in the step S5, after the long side (7) of the TPU film A (3) is subjected to heat sealing, the metal backing plate B (9) is taken out from the opening (10).

6. The heat sealing method for the medical hemospast according to claim 1, characterized in that: and in the step S3, after the gel valve body (2), the TPU film A (3) and the TPU film B (4) are thermally sealed, the residual part of the outer edge of the TPU film B (4) is sheared along the outer circumference of the gel valve body (2).

7. The heat sealing method for the medical blood expeller according to any one of claims 1 to 6, characterized in that: the surfaces of the metal base plate A (8) and the metal base plate B (9) are required to be evenly coated with alcohol for sterilization and disinfection before use.

8. The heat sealing method for the medical hemospast according to claim 1, characterized in that: the sealing strip adopts any one of a tetrafluoro cloth strip or an oil film.