CN112603438B

CN112603438B - Hemostasis subassembly of cold compress

Info

Publication number: CN112603438B
Application number: CN202011444691.6A
Authority: CN
Inventors: 许波; 乔惠; 许重远; 张广清; 宿爱山; 罗小琴
Original assignee: Southern Hospital Southern Medical University
Current assignee: Southern Hospital Southern Medical University
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2022-07-12
Anticipated expiration: 2040-12-11
Also published as: CN112603438A

Abstract

The invention discloses a cold compress hemostatic assembly, which comprises a shell, a storage device and at least one puncture part, wherein the storage device can be arranged in the shell in a way of moving up and down; the puncture part is arranged at the bottom of the shell and is used for puncturing the bottom of the storage grid; wherein, storage device's upper portion is provided with the buffer memory chamber, and the buffer memory chamber is provided with the absorbing material, and the reaction chamber passes through airflow channel and buffer memory chamber intercommunication. The storage device is pressed, the storage grid is punctured by the puncturing part, and the first solution in the storage grid and the solid substance in the reaction cavity react to refrigerate, so that the hemostasis is accelerated, and the extravasated blood is prevented. The invention can be widely applied to the technical field of medical instruments.

Description

Hemostasis subassembly of cold compress

Technical Field

The invention relates to the technical field of medical instruments, in particular to a cold compress hemostatic assembly.

Background

Blood sample collection is one of the most common operations in clinical work, after the blood sample is collected, blood collection places need compression hemostasis, a common method is that a patient presses a blood collection point by a cotton swab, and although a nurse has taught and taught, the patient still can bleed again or suffer from subcutaneous congestion due to incorrect pressing method.

Disclosure of Invention

In order to solve at least one of the above technical problems and obtain a better hemostatic effect, the invention provides a hemostatic assembly for cold compress, which adopts the following technical scheme:

the cold compress hemostatic assembly provided by the invention comprises a shell, a storage device and at least one puncture part, wherein the storage device is arranged in the shell in a manner of moving up and down, a reaction cavity is formed between the bottom of the storage device and the bottom of the shell, solid substances for participating in a refrigeration reaction are stored in the reaction cavity, at least one storage grid is arranged in the storage device, and a first solution for participating in the refrigeration reaction is contained in the storage grid; the puncture part is arranged at the bottom of the shell and is used for puncturing the bottom of the storage grid; the upper part of the storage device is provided with a buffer cavity, the buffer cavity is provided with an absorbing substance, the absorbing substance is used for absorbing gas generated by reaction, and the reaction cavity is communicated with the buffer cavity through an airflow channel.

In some embodiments of the present invention, cotton for mixing with the solid substances is disposed in the reaction chamber, or the solid substances are layered by cotton cloth in the reaction chamber.

In some embodiments of the present invention, the buffer chamber is provided with cotton for mixing with the absorbent, or the buffer chamber is provided with the absorbent in layers by cotton cloth.

In some embodiments of the present invention, a water absorption layer is disposed in the buffer cavity, and the water absorption layer is disposed at a port of the airflow channel and includes sponge or cotton.

In some embodiments of the present invention, a non-woven fabric or a partition plate with holes is disposed in the air flow channel, or a non-woven fabric or a partition plate with holes is disposed at an upper end port of the air flow channel.

In some embodiments of the present invention, the outer wall of the storage device is connected to the inner wall of the housing through an inner connecting portion, and the inner connecting portion is a soft film to close a gap between the outer wall of the storage device and the inner wall of the housing.

In some embodiments of the present invention, a first check valve is disposed on a sidewall of the buffer chamber, and the reaction chamber is communicated to the buffer chamber through the first check valve.

In some embodiments of the present invention, an outer wall of the storage device is connected to an outer side of the top of the housing through an outer connection portion, the outer connection portion is a soft film, an overflow cavity is formed between the inner connection portion and the outer connection portion, a second check valve is disposed on a side wall of the buffer cavity, and the buffer cavity is communicated to the overflow cavity through the second check valve.

In some embodiments of the invention, the side walls and bottom wall of the housing are provided with an interlayer containing a soluble sulfate solution.

In some embodiments of the present invention, the outer side of the storage device and the inner wall of the housing are installed by a fastening structure.

The embodiment of the invention has at least the following beneficial effects: the storage device is pressed, the storage grid is punctured by the puncturing part, and the first solution in the storage grid and the solid substance in the reaction cavity react to refrigerate, so that the hemostasis is accelerated, and the extravasated blood is prevented. The invention can be widely applied to the technical field of medical instruments.

Drawings

FIG. 1 is a schematic view of a blood stopper.

Reference numerals are as follows: 101. a housing; 102. a storage cell; 103. a puncture section; 104. a cache cavity; 105. a reaction chamber; 106. an air flow channel; 107. a water-absorbing layer; 108. an inner connection portion; 109. an outer connecting portion; 110. a first check valve; 111. a second one-way valve; 112. and (4) interlayer.

Detailed Description

The invention is further described below with reference to fig. 1.

The invention relates to a cold compress hemostatic assembly which is attached to a bleeding position, can perform compression hemostasis and perform refrigeration hemostasis rapidly, and is simple, convenient and easy to operate. The hemostatic assembly comprises a housing 101, a storage device arranged as a cylindrical structure, the housing 101 arranged as a rigid plastic shell, and at least one puncture part 103, the storage device being mounted in the housing 101 in a movable manner up and down. A reaction chamber 105 is formed between the bottom of the storage device and the bottom of the housing 101, a solid substance for participating in the refrigeration reaction is stored in the reaction chamber 105, at least one storage grid 102 is arranged in the storage device, a first solution for participating in the refrigeration reaction is stored in the storage grid 102, specifically, the solid substance is one of ammonium chloride powder, ammonium nitrate powder, barium hydroxide powder and ammonium bicarbonate powder, the first solution is one of water, barium hydroxide solution, ammonium chloride solution, ammonium nitrate solution, ammonium acetate solution, acetic acid and hydrochloric acid, and the following description is given by taking the solid substance as the ammonium chloride powder and the first solution as the barium hydroxide solution. The puncturing part 103 is arranged at the bottom of the housing 101, the puncturing part 103 is positioned below the storage grid 102, the puncturing part 103 is used for puncturing the bottom of the storage grid 102, specifically, the number of the storage grids 102 is two, and correspondingly, the number of the puncturing parts 103 is two. During the use, the hemostasis subassembly pastes at the position of bleeding, presses storage device, and puncture portion 103 punctures the bottom of storage check 102, and barium hydroxide solution gets into reaction chamber 105 and produces endothermic chemical reaction with ammonium chloride powder, reduces the temperature of reaction chamber 105 fast, reduces the temperature of patient's position of bleeding, plays the effect of cold compress to alleviate the painful sense of patient, stanch fast.

Wherein, the upper portion of the storage device is provided with a buffer cavity 104, the reaction cavity 105 is communicated with the buffer cavity 104 through a gas flow channel 106, gas generated in the reaction cavity 105 enters the buffer cavity 104 through the gas flow channel 106, and in some examples, the region between two storage grids 102 constitutes the gas flow channel 106. Specifically, the buffer cavity 104 is provided with an absorbent for absorbing the gas generated by the reaction, the absorbent is anhydrous calcium chloride powder and/or sodium hydroxide powder, the anhydrous calcium chloride is used for absorbing ammonia gas, and the sodium hydroxide is used for absorbing carbon dioxide. In particular, for absorbing gases generated in the reaction chamber 105. The anhydrous calcium chloride and ammonia gas are subjected to complex reaction to generate a solid complex, so that the irritant ammonia gas is prevented from leaking, the air pressure in the reaction cavity 105 is reduced, and the storage device is prevented from being broken due to overlarge air pressure. In some examples, cotton for mixing with the absorbent is disposed in the buffer chamber 104, or the absorbent is layered by cotton cloth in the buffer chamber 104, in order to prevent powder agglomeration, increase the contact area of chemical reaction, and improve absorption efficiency.

In some embodiments of the present invention, in order to prevent the powder from caking and increase the contact area of the chemical reaction, cotton for mixing with the solid substance is arranged in the reaction chamber, or the solid substance is layered by cotton cloth in the reaction chamber.

In some embodiments of the present invention, a water-absorbing layer 107 is disposed in the buffer cavity 104, the water-absorbing layer 107 is disposed at the port of the airflow channel 106, the water-absorbing layer 107 includes sponge or cotton for absorbing water generated in the reaction cavity 105, and the water-absorbing layer 107 can also reduce bubbles generated in the reaction cavity 105 from entering the buffer cavity 104. Further, the surface of the water-absorbing layer 107 is provided with a non-woven fabric to separate the absorbing material from the water-absorbing layer 107, prevent the absorbing material from being wetted, and keep the buffer chamber 104 dry.

In some embodiments of the present invention, a non-woven fabric or a perforated partition is disposed in the gas flow channel 106, or a non-woven fabric or a perforated partition is disposed at an upper end port of the gas flow channel 106, and specifically, the partition is a plastic plate. The bubbles generated in the reaction chamber 105 are punctured by the non-woven fabric or the perforated partition plate to prevent the bubbles from entering the buffer chamber 104 and blocking the airflow channel 106.

In some embodiments of the present invention, the outer wall of the storage device is connected to the inner wall of the casing 101 through the inner connection portion 108, and the inner connection portion 108 is a soft film to close the gap between the outer wall of the storage device and the inner wall of the casing 101, so as to prevent the chemical substance in the reaction chamber 105 from flowing to the external environment. Further, the side wall of the buffer cavity 104 is provided with a first check valve 110, the reaction cavity 105 is communicated to the buffer cavity 104 through the first check valve 110, and gas generated in the reaction cavity 105 can also enter the buffer cavity 104 through the first check valve 110.

In some embodiments of the present invention, the outer wall of the storage device is connected to the outside of the top of the casing 101 through an outer connecting portion 109, the outer connecting portion 109 is a soft film, an overflow cavity is formed between the inner connecting portion 108 and the outer connecting portion 109, a second check valve 111 is disposed on the sidewall of the buffer cavity 104, and the buffer cavity 104 is communicated to the overflow cavity through the second check valve 111. When the excessive ammonia gas cannot be completely absorbed by the anhydrous calcium chloride in the buffer cavity 104, the ammonia gas enters the overflow cavity through the second check valve 111, so that the pressure of the buffer cavity 104 is reduced.

In some embodiments of the invention, the side walls and bottom wall of the enclosure 101 are provided with a sandwich 112, the sandwich 112 containing a soluble sulfate solution. Specifically, the soluble sulfate solution is a saturated solution, such as a sodium sulfate solution, a potassium sulfate solution, a magnesium sulfate solution. During the refrigeration reaction of the reaction cavity 105, the soluble sulfate solution can play a role in buffering the temperature, so that the temperature is prevented from dropping too fast due to the refrigeration reaction, and the skin of a patient is prevented from being frostbitten. In addition, the cooled soluble sulfate solution can continuously maintain the low-temperature environment of the bleeding position, and the cold compress time is prolonged. In addition, because both barium hydroxide and ammonium chloride are toxic, if the hemostatic assembly is ruptured outside of the hemostatic assembly, the soluble sulfate solution can also react with the barium hydroxide or ammonium chloride to form non-toxic barium sulfate.

In some embodiments of the present invention, the top and side walls of the storage device are made of rigid plastic, and the bottom of the storage compartment 102 is sealed with rubber or plastic film to facilitate puncturing by the puncturing portion 103.

In some embodiments of the present invention, the top of the puncturing part 103 is provided with a sharp part, and further, the puncturing part 103 is provided with a tapered structure. In some examples, the upper portion of the puncturing part 103 is provided with a plurality of holes, and the solution in the storage compartment 102 flows into the reaction chamber 105 from the holes and the puncturing points.

In some embodiments of the present invention, the outer side of the storage device and the inner wall of the housing 101 are fixed by a fastening structure. Specifically, shell 101 inner wall is provided with the barb, and storage device's outer wall is equipped with the barb, and the barb is triangle-shaped. When hemostasis subassembly did not use, storage device passes through the configuration installation setting of barb in the top of puncture portion 103, presses the back, can prevent storage device rebound through the configuration installation of barb, and the chemical substance lasts the reaction in the fixed storage device's the position, the assurance is stored check 102 and the reaction chamber 105.

While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A cold-compress hemostatic assembly, comprising: comprises that

A housing (101);

the storage device is installed in the shell (101) in a vertically movable mode, a reaction cavity (105) is formed between the bottom of the storage device and the bottom of the shell (101), solid substances used for participating in a refrigeration reaction are stored in the reaction cavity, at least one storage cell (102) is arranged in the storage device, and a first solution used for participating in the refrigeration reaction is contained in the storage cell (102);

at least one puncturing part (103), wherein the puncturing part (103) is arranged at the bottom of the shell (101), and the puncturing part (103) is used for puncturing the bottom of the storage grid (102);

wherein, a buffer cavity (104) is arranged at the upper part of the storage device, the buffer cavity (104) is provided with an absorbing substance, the absorbing substance is used for absorbing gas generated by reaction, and the reaction cavity (105) is communicated with the buffer cavity (104) through a gas flow channel (106); cotton used for mixing with the absorbing substances is arranged in the buffer cavity (104) or the absorbing substances are arranged in layers in the buffer cavity (104) through cotton cloth; the outer wall of the storage device is connected with the inner wall of the shell (101) through an inner connecting part (108), and the inner connecting part (108) is set to be a soft film so as to seal a gap between the outer wall of the storage device and the inner wall of the shell (101); the outer wall of the storage device is connected with the outer side of the top of the shell (101) through an outer connecting portion (109), the outer connecting portion (109) is a soft thin film, and an overflow cavity is formed between the inner connecting portion (108) and the outer connecting portion (109).

2. A cold-compress hemostatic assembly according to claim 1, wherein: be provided with in reaction chamber (105) be used for with the cotton that solid state material mixes, perhaps will through the cotton in reaction chamber (105) solid state material layering sets up.

3. A cold-compress hemostatic assembly according to claim 1 or 2, wherein: a water absorption layer (107) is arranged in the buffer cavity (104), the water absorption layer (107) is arranged at the port of the airflow channel (106), and the water absorption layer (107) comprises sponge or cotton.

4. A cold-compress hemostatic assembly according to claim 3, wherein: be provided with non-woven fabrics or foraminiferous baffle in airflow channel (106), perhaps airflow channel's (106) upper end port department is provided with non-woven fabrics or foraminiferous baffle.

5. A cold-compress hemostatic assembly according to claim 1, wherein: the side wall of the buffer cavity (104) is provided with a first one-way valve (110), and the reaction cavity (105) is communicated to the buffer cavity (104) through the first one-way valve (110).

6. A cold-compress hemostatic assembly according to claim 1 or 5, wherein: the side wall of the buffer cavity (104) is provided with a second one-way valve (111), and the buffer cavity (104) is communicated to the overflow cavity through the second one-way valve (111).

7. A cold compress hemostasis assembly as claimed in claim 1, wherein: the side wall and the bottom wall of the shell (101) are provided with interlayers (112), and soluble sulfate solution is filled in the interlayers (112).

8. A cold-compress hemostatic assembly according to claim 1, wherein: the outer side of the storage device and the inner wall of the shell (101) are installed through a clamping structure.