CN112603436B

CN112603436B - Hemostat for cold compress

Info

Publication number: CN112603436B
Application number: CN202011437974.8A
Authority: CN
Inventors: 许波; 许重远; 宿爱山; 张广清; 蒋琳; 陈洁
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: CN112603436A

Abstract

The invention discloses a cold compress hemostat, which comprises a shell, a storage device and at least one first puncture part, wherein the storage device can be arranged in the shell in a vertically moving mode, a reaction cavity is formed between the bottom of the storage device and the bottom of the shell, and at least one storage grid is arranged in the storage device; the first puncture part is arranged at the bottom in the shell; the side wall and the bottom wall of the shell are provided with interlayers for containing sodium sulfate solution, the inner wall of the bottom of the shell is provided with a sealing film which can be punctured, and the bottom of the storage device is provided with a second puncturing part for puncturing the sealing film. When the storage device is pressed, the first puncture part punctures the storage grid, and the first solution in the storage grid and the solid substance in the reaction cavity react to refrigerate so as to accelerate hemostasis. After hemostasis is finished, the storage device is continuously pressed, the second puncture part punctures the sealing film at the bottom of the shell, and the sodium sulfate solution in the interlayer reacts with the substances in the reaction cavity. The invention can be widely applied to the technical field of medical instruments.

Description

Hemostat for cold compress

Technical Field

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

Background

The collection of blood samples is one of the most common procedures in clinical work. After the blood sample is collected, the blood sampling place needs to be pressed for hemostasis, the common method is that the patient presses the blood sampling point with the cotton swab, and although the nurse has conducted the instruction and has taught, because cultural degree and receptivity degree are different, the patient often causes the blood sampling point to bleed again or the subcutaneous extravasated blood because of incorrect according to the method, and hemostatic effect is not good.

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 cold compress hemostat, which adopts the following technical scheme:

the cold compress hemostat comprises a shell, a storage device and at least one first puncture part, wherein the storage device is arranged in the shell in a vertically movable manner, 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 first puncture part is arranged at the bottom in the shell and is used for puncturing the bottom of the storage grid; the side wall and the bottom wall of the shell are provided with interlayers for containing a sodium sulfate solution, the inner wall of the bottom of the shell is provided with a pierceable sealing film, and the bottom of the storage device is provided with a second piercing part for piercing the sealing film.

In some embodiments of the present invention, a buffer chamber is disposed at an upper portion of the storage device, the buffer chamber is provided with an absorbing material, and the reaction chamber is communicated with the buffer chamber through an airflow channel.

In some embodiments of the present invention, a water absorption layer is disposed at a lower portion of the buffer cavity, the water absorption layer is disposed at a port of the airflow channel, and the water absorption layer 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 flexible film to close a gap between 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 side wall of the water absorption layer, and the reaction chamber is communicated to the water absorption layer 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 present invention, the outer side of the storage device and the inner wall of the housing are mounted by a fastening structure.

In some embodiments of the invention, the inner wall of the outer shell is provided with barbs, and the outer wall of the storage device is provided with barbs which are triangular.

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.

The embodiment of the invention has at least the following beneficial effects: the storage device is pressed, the first puncture part punctures the storage grid, 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. After hemostasis is finished, the storage device is continuously pressed, the second puncture part punctures the sealing film at the bottom of the shell, and the sodium sulfate solution in the interlayer reacts with the substances in the reaction cavity. The invention can be widely applied to the technical field of medical instruments.

Drawings

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

Reference numerals: 101. a housing; 102. a storage grid; 103. a first 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. an interlayer; 113. a second puncture section; 114. and (7) sealing the film.

Detailed Description

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

The invention relates to a cold compress hemostat which is attached to a bleeding position, can perform compression hemostasis and simultaneously perform refrigeration hemostasis, and is simple, convenient and easy to operate. The hemostat includes a housing 101, a storage device provided in a cylindrical structure, the housing 101 provided in a rigid plastic case, and at least one first puncturing part 103, the storage device being installed in the housing 101 to be movable up and down. A reaction cavity 105 is formed between the bottom of the storage device and the bottom of the casing 101, solid substances for participating in the refrigeration reaction are stored in the reaction cavity 105, at least one storage cell 102 is arranged in the storage device, and a first solution for participating in the refrigeration reaction is contained in the storage cell 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 first solution is barium hydroxide solution and the solid substance is ammonium chloride powder.

The first puncturing part 103 is provided at the bottom inside the housing 101, the first puncturing part 103 is located below the storage cell 102, the first puncturing part 103 is used to puncture the bottom of the storage cell 102, specifically, the number of the storage cells 102 is provided as two, and correspondingly, the number of the first puncturing part 103 is provided as two.

During the use, the haemostat pastes at the position of bleeding, presses storage device, and first 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 reaction chamber 105's temperature fast, reduces the temperature of patient's position of bleeding, plays the effect of cold compress to alleviate patient's painful sense, stanch fast.

Wherein, the side wall and the bottom wall of the casing 101 are provided with an interlayer 112 for containing sodium sulfate solution. When the cooling device is used, the sodium sulfate solution is filled in the interlayer 112, so that the reaction cavity 105 plays a role in buffering temperature during a cooling reaction, the temperature is prevented from dropping too fast due to the cooling reaction, and the skin of a patient is prevented from being frostbitten. In addition, the cooled sodium sulfate solution can continuously maintain the low-temperature environment of the bleeding position, and the cold compress time is prolonged. Furthermore, a pierceable sealing film 114 is arranged on the inner wall of the bottom of the shell, a second piercing part 113 for piercing the sealing film 114 is arranged at the bottom of the storage device, and the sealing film 114 is made of a soft film. Specifically, since barium hydroxide and barium chloride are toxic and puncture the seal 114 of the interlayer, the sodium sulfate solution may also react with barium hydroxide or barium chloride to produce non-toxic barium sulfate.

Further, the length of the second puncture part 113 should be smaller than that of the first puncture part, so that the first puncture part firstly punctures the bottom of the storage grid, the barium hydroxide solution firstly generates a refrigeration reaction with the ammonium chloride powder, after the cold compress hemostasis is completed, the storage device is continuously pressed, the second puncture part 113 punctures the sealing film 114 of the shell interlayer, and the sodium sulfate solution reacts with the barium hydroxide or barium chloride.

In some embodiments of the present invention, the upper portion of the storage device is provided with a buffer chamber 104, the reaction chamber 105 is communicated with the buffer chamber 104 through a gas flow channel 106, the gas generated in the reaction chamber 105 enters the buffer chamber 104 through the gas flow channel 106, and in some examples, the region between the two storage cells 102 forms the gas flow channel 106. Further, the buffer cavity 104 is provided with an absorbent for absorbing the gas generated by the reaction, the absorbent is set to be 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, 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, so that the bubbles are prevented from entering the buffer chamber 104, and the air flow channel 106 is prevented from being blocked by the bubbles.

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. Furthermore, the side wall of the water absorption layer is provided with a first one-way valve 110, the reaction chamber 105 is communicated to the water absorption layer through the first one-way valve 110, and gas generated in the reaction chamber 105 can also enter the water absorption layer through the first one-way 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 side wall 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 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 first puncturing part 103.

In some embodiments of the present invention, the top of the first piercing part 103 is provided with a sharp portion, and further, the first piercing part 103 is provided with a tapered structure. In some examples, the upper portion of the first piercing 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 piercing points.

In some embodiments of the present invention, the second piercing portion 113 is provided with a sharp portion, and further, the second piercing portion 113 is provided with a tapered structure. In some examples, the sharp portion of the second puncturing part 113 is provided with a plurality of holes, and the interlayer of the housing is communicated with the reaction chamber through the holes and the puncturing points of the second puncturing part 113.

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 the haemostat did not use, storage device passes through the configuration installation setting of barb in the top of first 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 storage check 102 and the reaction chamber 105 is ensured to fixed storage device's position.

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 hemostat, comprising: comprises that

A housing (101);

the storage device is mounted 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 (105), at least one storage grid (102) is arranged in the storage device, a first solution used for participating in the refrigeration reaction is contained in the storage grid (102), a buffer cavity (104) is arranged at the upper portion of the storage device, an absorbing substance is arranged in the buffer cavity (104), and the reaction cavity (105) is communicated with the buffer cavity (104) through an air flow channel (106);

at least one first piercing portion (103), the first piercing portion (103) being disposed at a bottom within the housing (101), the first piercing portion (103) being for piercing a bottom of the storage compartment (102);

the side wall and the bottom wall of the shell (101) are provided with interlayers (112) used for containing a sodium sulfate solution, the inner wall of the bottom of the shell (101) is provided with a sealing film (114) capable of being punctured, the bottom of the storage device is provided with a second puncturing part (113) used for puncturing the sealing film (114), and the length of the second puncturing part (113) is smaller than that of the first puncturing part (103).

2. A cold compress hemostat according to claim 1, wherein: the lower part of the buffer cavity (104) is provided with a water absorption layer (107), 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.

3. A cold compress hemostat according to claim 1 or 2, characterized in that: 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.

4. A cold compress hemostat according to claim 1, wherein: 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 storage device and the inner wall of the shell (101).

5. A cold compress hemostat according to claim 2, wherein: the side wall of the water absorption layer (107) is provided with a first one-way valve (110), and the reaction cavity (105) is communicated to the water absorption layer (107) through the first one-way valve (110).

6. A cold-compress hemostat according to claim 4, wherein: 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 set to be a soft film, an overflow cavity is formed between the inner connecting portion (108) and the outer connecting portion (109), a second one-way valve (111) is arranged on the side wall of the buffer cavity (104), and the buffer cavity (104) is communicated to the overflow cavity through the second one-way valve (111).

7. A cold compress hemostat 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.

8. A cold compress hemostat according to claim 7, wherein: the inner wall of shell (101) is provided with the barb, storage device's outer wall is equipped with the barb, the barb is triangle-shaped.

9. A cold compress hemostat according to claim 1 or 2, characterized in that: the buffer cavity (104) is provided with cotton used for mixing with the absorbent, or the buffer cavity (104) is internally provided with the absorbent in a layered mode through cotton cloth.