CN112603443B

CN112603443B - Hemostatic pressing assembly for cold compress

Info

Publication number: CN112603443B
Application number: CN202011447560.3A
Authority: CN
Inventors: 许波; 肖敏; 许重远; 罗小琴; 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: 2022-08-09
Anticipated expiration: 2040-12-11
Also published as: CN112603443A

Abstract

The invention discloses a pressing component for cold compress hemostasis, which comprises a shell and a storage device, 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 are stored in the reaction cavity, at least two storage grids are arranged in the storage device, and a first solution is stored in the storage grids; the lower part of the storage grid is provided with a puncture part which is used for puncturing the bottom of the storage grid, and the heights of at least two puncture parts in the puncture parts corresponding to the storage grids are different. Pressing storage device a section distance, partial puncture portion will correspond the storage check puncture, solution one and solid state material produce refrigeration reaction, and quick cold compress stanchs, continues to press storage device, and another partial puncture portion will correspond the storage check puncture, continues to produce refrigeration reaction, can prolong the hemostatic time of cold compress, and hemostatic effect is better. The invention can be widely applied to the technical field of medical instruments.

Description

Hemostatic pressing assembly for cold compress

Technical Field

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

Background

Blood sample collection is one of the most common operations in clinical work, because the blood vessel of elbow is thick and straight and show very obviously at the body surface, consequently often gather the blood sample at the elbow, after gathering the blood sample, the patient presses the blood sampling point with the cotton swab, and the nurse though having done the instruction and having taught and taught, nevertheless because cultural degree and receptivity degree are different, the patient often because according to incorrect blood sampling point hemorrhage once more or subcutaneous extravasated blood, hemostatic effect is not good.

Disclosure of Invention

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

the pressing component for cold compress hemostasis comprises a shell and a storage device, wherein the storage device is arranged in the shell in a vertically movable mode, 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 two storage grids are arranged in the storage device, and a first solution for participating in the refrigeration reaction is stored in the storage grids; the storage grid is provided with a plurality of storage grids, wherein a puncture part is arranged below the storage grids and used for puncturing the bottoms of the storage grids, the puncture part is arranged on the bottom wall in the shell, and the heights of at least two puncture parts in the puncture parts corresponding to the storage grids are different.

In some embodiments of the present invention, the heights of the piercing portions corresponding to the respective storage compartments are sequentially decreased.

In some embodiments of the present invention, a buffer chamber is disposed at an upper portion of the storage device, the buffer chamber is filled with an absorbent, and the reaction chamber is communicated with the buffer chamber through a gas flow channel.

In some embodiments of the present invention, a water absorption layer is disposed at a lower portion of the buffer cavity, and the water absorption layer is disposed at a port of the airflow channel.

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 to close a gap between the outer wall of the storage device and the inner wall of the housing, and the inner connecting portion is a flexible film.

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 connecting portion, the outer connecting portion is a soft film, an overflow cavity is formed between the outer connecting portion and the inner connecting 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 side of the storage device is provided with barbs which are triangular.

The embodiment of the invention has at least the following beneficial effects: the component is arranged at a bleeding position, the storage device is pressed for a certain distance, the corresponding storage grids are punctured by the partial puncturing part, a first solution and the solid substance generate a refrigeration reaction, the storage device is rapidly cold-compressed for hemostasis, the corresponding storage grids are punctured by the other partial puncturing part, the refrigeration reaction is continuously generated, the cold-compressed hemostasis time can be prolonged, and the hemostasis effect is good. The invention can be widely applied to the technical field of medical instruments.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a pressing assembly.

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

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that if the terms "center", "middle", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., are used in an orientation or positional relationship indicated based on the drawings, it is merely for convenience of description and simplicity of description, and it is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, is not to be considered as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, 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.

The invention relates to a pressing component for cold compress hemostasis. The pressing assembly includes a housing 101 and a storage device, the storage device is provided in a cylindrical structure, the housing 101 is provided in a hard plastic case, and the storage device is provided in the housing 101 to be movable up and down. A reaction chamber 102 is formed between the bottom of the storage device and the bottom of the housing 101, a solid substance for participating in a refrigeration reaction is stored in the reaction chamber 102, at least two storage grids 103 are arranged in the storage device, a first solution for participating in the refrigeration reaction is filled in the storage grids 103, 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 a barium hydroxide solution, and the solid substance is ammonium chloride powder.

A piercing part 104 is provided below the storage cell 103, and the piercing part 104 is used for piercing the bottom of the storage cell 103, specifically, the piercing part 104 is provided on the bottom wall inside the housing 101.

During the use, press the subassembly and paste in the position of bleeding, store the check 103 in and be equipped with the barium hydroxide solution, be equipped with the ammonium chloride powder in the reaction chamber 102, press storage device, the bottom of storing check 103 is punctureed to puncture portion 104, the barium hydroxide solution gets into reaction chamber 102 and produces endothermic chemical reaction with the ammonium chloride powder, reduces the temperature of reaction chamber 102 fast, reduces the temperature that the patient bleeds the position, plays the effect of cold compress, alleviates patient's painful sense, stanchs fast.

At least two of the piercing parts 104 corresponding to each cell 103 have different heights, and the storage device is pressed in a staged pressing manner instead of pressing the storage device to the bottom at one time, so that part of the cells 103 are pierced by pressing the storage device for a certain distance, and part of the cells 103 are pierced by pressing the storage device for a certain distance at the next stage. In some examples, the heights of the puncturing parts 104 corresponding to the storage grids 103 are gradually decreased, so that the purpose that one storage grid 103 is punctured every time when being pressed is achieved, multiple intermittent cold compress on a bleeding position is achieved through the mode of puncturing one by one, and the cold compress time can be prolonged by prolonging the time of refrigerating reaction. For example, the number of the cells 103 is set to two, and accordingly, the number of the puncturing parts 104 is set to two, and two puncturing parts 104 are set to one higher and one lower.

In some embodiments of the present invention, the upper portion of the storage device is provided with a buffer chamber 105, the reaction chamber 102 is communicated with the buffer chamber 105 through a gas flow channel 106, gas generated in the reaction chamber 102 enters the buffer chamber 105 through the gas flow channel 106, in some examples, the number of the storage cells 103 is two, and the region between the two storage cells 103 forms the gas flow channel 106. Further, the buffer cavity 105 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 102. The anhydrous calcium chloride powder 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 102 is reduced, and the storage device is prevented from being broken due to overlarge air pressure. In some examples, in order to prevent powder from caking, increase the contact area of chemical reaction, and improve absorption efficiency, cotton for mixing with the absorbent is disposed in the buffer chamber 105, or the absorbent is layered by cotton cloth in the buffer chamber 105.

In some embodiments of the present invention, a water-absorbing layer 107 is disposed in the buffer cavity 105, and the water-absorbing layer 107 is disposed at the port of the airflow channel 106, specifically, the water-absorbing layer 107 includes sponge or cotton for absorbing water generated in the reaction cavity 102, and the water-absorbing layer 107 can also reduce bubbles generated in the reaction cavity 102 from entering the buffer cavity 105. 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 105 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 102 are punctured by the non-woven fabric or the perforated partition plate to prevent the bubbles from entering the buffer chamber 105 and blocking the air flow passage 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 102 from flowing to the external environment. Further, the side wall of the water absorbing layer 107 is provided with a first check valve 109, the reaction chamber 102 is communicated to the water absorbing layer 107 through the first check valve 109, and gas generated in the reaction chamber 102 can also enter the water absorbing layer 107 through the first check valve 109.

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 110, the outer connecting portion 110 is a soft film, an overflow cavity is formed between the inner connecting portion 108 and the outer connecting portion 110, a second check valve 111 is disposed on the side wall of the buffer cavity 105, and the buffer cavity 105 is communicated to the overflow cavity through the second check valve 111. When the excess ammonia gas cannot be completely absorbed by the anhydrous calcium chloride in the buffer chamber 105, the ammonia gas enters the overflow chamber through the second check valve 111, thereby reducing the pressure of the buffer chamber 105.

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 103 is sealed with rubber or plastic film to facilitate puncturing by the puncturing portion 104.

In some embodiments of the present invention, the top of the piercing portion 104 is provided with a sharp portion, and further, the piercing portion 104 is provided with a tapered structure. In some examples, the upper portion of the puncturing part 104 is provided with a plurality of holes, and the solution in the storage compartment 103 flows into the reaction chamber 102 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 pressing the subassembly and not using, storage device passes through the configuration installation setting of barb in the top of puncture portion 104, presses the back, can prevent storage device rebound through the configuration installation of barb, and the chemical substance lasts the reaction in storage check 103 and the reaction chamber 102 is ensured to fixed storage device's position.

In the description of the present specification, reference to the terms "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like, if any, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 compression assembly for cold compress hemostasis, comprising: comprises that

A housing (101);

the storage device is arranged in the shell (101) in a vertically movable mode, a reaction cavity (102) 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 (102), at least two storage grids (103) are arranged in the storage device, and a first solution used for participating in the refrigeration reaction is stored in each storage grid (103);

a puncturing part (104) is arranged below the storage grid (103), the puncturing part (104) is used for puncturing the bottom of the storage grid (103), the puncturing part (104) is arranged on the bottom wall in the shell (101), and at least two puncturing parts (104) in the puncturing parts (104) corresponding to the storage grids (103) are different in height; a buffer cavity (105) is arranged at the upper part of the storage device, the buffer cavity (105) is filled with absorbing substances, and the reaction cavity (102) is communicated with the buffer cavity (105) through an airflow channel (106); the outer wall of the storage device is connected with the inner wall of the shell (101) through an inner connecting part (108) so as to close 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 (110), and an overflow cavity is formed between the outer connecting portion (110) and the inner connecting portion (108).

2. A compression assembly for cold compress hemostasis according to claim 1, wherein: the heights of the piercing portions (104) corresponding to the respective storage cells (103) are sequentially decreased.

3. A compression assembly for cold compress hemostasis according to claim 1 or 2, characterized in that: the lower part of the buffer cavity (105) is provided with a water absorption layer (107), and the water absorption layer (107) is arranged at the port of the airflow channel (106).

4. A compression assembly for cold compress hemostasis 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.

5. A compression assembly for cold compress hemostasis according to claim 1, wherein: the inner connecting part (108) is provided as a soft film.

6. A compression assembly for cold compress hemostasis according to claim 3, wherein: the side wall of the water absorption layer (107) is provided with a first one-way valve (109), and the reaction cavity (102) is communicated to the water absorption layer (107) through the first one-way valve (109).

7. A compression assembly for cold compress hemostasis according to claim 1, wherein: the outer connecting portion (110) is a soft film, a second one-way valve (111) is arranged on the side wall of the buffer cavity (105), and the buffer cavity (105) is communicated to the overflow cavity through the second one-way valve (111).

8. A compression assembly for cold compress hemostasis 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.

9. A compression assembly for cold compress hemostasis according to claim 8, wherein: the inner wall of shell (101) is provided with the barb, storage device's the outside is provided with the barb, the barb is triangle-shaped.