CN112568957B

CN112568957B - Reactor for cold compress hemostasis

Info

Publication number: CN112568957B
Application number: CN202011436902.1A
Authority: CN
Inventors: 许波; 许重远; 赖晶; 李丹; 罗小琴; 蒋琳
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: CN112568957A

Abstract

The invention discloses a reactor for cold compress hemostasis, which comprises a shell and a storage device, wherein a reaction cavity is arranged at the bottom in the shell, a first solution for participating in a refrigeration reaction is stored in the reaction cavity, and a sealing film capable of being punctured is arranged at the top of the reaction cavity; storage device can set up in the shell with reciprocating, and storage device's bottom is provided with the puncture portion that is used for puncturing the envelope, and storage device is provided with a plurality of storages, and the storage includes a plurality of storage check, and storage has the solid-state material that is used for participating in the refrigeration reaction in the storage check, and each storage check in the storage is range upon range of to be set up, and the lateral wall of storage check is provided with the intercommunication mouth that is used for communicateing the reaction chamber. Pressing the storage device, the puncture part punctures the sealing film at the top of the reaction cavity, and the solid substance in the storage lattice reacts with the solution in the reaction cavity for refrigeration, so as to accelerate hemostasis and prevent extravasated blood. The invention can be widely applied to the technical field of medical instruments.

Description

Reactor for cold compress hemostasis

Technical Field

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

Background

Blood sample collection is one of the most common operations in clinical work, after the blood sample is collected, a blood collection place needs 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 bleeds again or becomes extravasated blood subcutaneously due to incorrect pressing method, so that the hemostasis effect is poor.

Disclosure of Invention

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

the reactor for cold compress hemostasis comprises a shell and a storage device, wherein a reaction cavity is arranged at the bottom in the shell, a first solution for participating in a refrigeration reaction is stored in the reaction cavity, and a sealing film capable of being punctured is arranged at the top of the reaction cavity; the storage device is arranged in the shell in a vertically movable mode, a puncture part used for puncturing the sealing film is arranged at the bottom of the storage device, the storage device is provided with a plurality of storage parts, each storage part comprises a plurality of storage grids, solid substances used for participating in refrigeration reaction are stored in the storage grids, the storage grids in the storage parts are arranged in a stacked mode, and a communication opening used for communicating the reaction cavity is formed in the outer side wall of each storage grid.

In some embodiments of the invention, an annular second partition plate is disposed above the reaction chamber, and the ends of the upper and lower side walls of the storage compartment are provided with first recesses for catching the edges of the inner walls of the second partition plate.

In some embodiments of the invention, an annular first partition plate is disposed at the top of the reaction chamber, the sealing film is disposed in the middle of the first partition plate, an edge of an inner wall of the first partition plate is used for clamping the first concave portion, and a height difference between the first partition plate and the second partition plate is equal to a height difference between the upper side wall and the lower side wall of the storage grid.

In some embodiments of the present invention, a buffer cavity is disposed in the storage device, the buffer cavity is filled with an absorbing material, each of the storage portions is disposed below the buffer cavity, and the reaction cavity is communicated to the buffer cavity through a gas flow channel.

In some embodiments of the present invention, the buffer chamber is filled with cotton mixed with the absorbent, or the absorbent is layered by cotton cloth.

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, a water-absorbing layer is disposed below the buffer cavity, the water-absorbing layer is disposed at an end of the airflow channel, and the water-absorbing layer includes sponge or cotton.

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 side wall of the water absorption layer is provided with a first one-way valve, and gas in the reaction chamber enters the water absorption layer through the first one-way 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.

The embodiment of the invention has at least the following beneficial effects: pressing the storage device, the puncture part punctures the sealing film at the top of the reaction cavity, and the solid substance in the storage lattice reacts with the solution in the reaction cavity for refrigeration, so as to accelerate hemostasis and prevent extravasated blood. 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 view of the structure of a reactor.

Reference numerals are as follows: 101. a housing; 102. a puncture section; 103. a storage cell; 104. a reaction chamber; 105. sealing the film; 106. a communication port; 107. a second separator; 108. a first separator; 109. a cache cavity; 110. an air flow channel; 111. a water-absorbing layer; 112. an inner connection portion; 113. a first check valve; 114. an outer connecting portion; 115. 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 reactor for cold compress hemostasis, which is pressed at a bleeding position of a patient for rapid hemostasis and has the effect of compression hemostasis. The reactor comprises a housing 101 and a storage device, the storage device being provided in a cylindrical configuration, the storage device being provided in the housing 101 so as to be movable up and down, the storage device being provided with a plurality of storage sections, for example the number of storage sections being provided as two. The storage part comprises a plurality of storage grids 103, solid substances used for participating in refrigeration reaction are stored in the storage grids 103, the storage grids 103 in the storage part are arranged in a stacked mode, the shell 101 is set to be a hard plastic shell, the bottom in the shell 101 is provided with a reaction cavity 104, and a first solution used for participating in refrigeration reaction is stored in the reaction cavity 104. 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 examples are given by using the barium hydroxide powder as the solid substance and using the ammonium chloride solution as the first solution.

The top of the reaction chamber 104 is provided with a pierceable sealing film 105, the sealing film 105 is provided with a rubber film or a plastic film, the bottom of the storage device is provided with a piercing part 102 for piercing the sealing film 105, the outer side wall of the storage grid 103 is provided with a communication port 106 for communicating the reaction chamber 104, and specifically, the communication port 106 is provided with a plurality of holes. When the device is used, the reactor is attached to a bleeding position, the storage device is pressed, the puncture part 102 pierces the sealing film 105, the storage grid 103 enters the reaction cavity 104, the ammonium chloride solution and the barium hydroxide powder generate a refrigeration reaction, the temperature of the reaction cavity 104 is quickly reduced, and the temperature of the bleeding position is reduced, so that cold compress hemostasis of the bleeding position is realized, extravasated blood is avoided, and pain of a patient is relieved.

It can be understood that the storage grids 103 are arranged into a plurality of layers, so that the storage grids 103 of each layer can enter the reaction cavity 104 one by one according to actual use requirements, and long-time cold compress or multiple intermittent cold compress effects on a patient are realized, and hemostasis of a puncture part is accelerated.

In some embodiments of the present invention, a second partition 107 having a ring shape is disposed above the reaction chamber 104, and ends of upper and lower sidewalls of the storage compartment 103 are provided with first recesses for catching edges of inner walls of the second partition 107, and in particular, the first recesses have a semicircular shape. The second partition 107 blocks the storage device, so that the storage device is disposed above the reaction chamber 104, and when the storage device is pressed to generate a refrigeration reaction, the second partition 107 is used to fix the position of the storage device. Further, the top of the reaction chamber 104 is provided with a first annular partition 108, the sealing film 105 is disposed in the middle of the first partition 108, the edge of the inner wall of the first partition 108 is used for clamping the first concave portion, and the height difference between the first partition 108 and the second partition 107 is equal to the height difference between the upper and lower sidewalls of the storage compartment 103. After the piercing part 102 pierces the sealing film 105, the next layer of the storage cell 103 enters the reaction chamber 104, and the first partition 108 abuts against the first concave part on the upper side wall of the layer of the storage cell 103, thereby separating the next layer of the storage cell 103 from the reaction chamber 104.

In some embodiments of the present invention, the piercing portion 102 is provided with a sharp portion, e.g., the piercing portion 102 is provided in a tapered configuration.

In some embodiments of the present invention, the storage device is provided with a buffer cavity 109, each storage portion is disposed below the buffer cavity 109, the reaction chamber 104 is communicated to the buffer cavity 109 through a gas flow channel 110, and in some examples, the region between the two storage portions constitutes the gas flow channel 110. Specifically, the ammonia gas generated in the reaction chamber 104 flows into the buffer chamber 109 through the gas flow passage 110, the buffer chamber 109 is filled 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 the ammonia gas, and the sodium hydroxide is used for absorbing the carbon dioxide. Specifically, the absorbing substance is used to absorb the gas generated in the reaction chamber 104. The anhydrous calcium chloride and ammonia gas are subjected to complex reaction to generate a solid complex, so that the ammonia gas with pungent smell is prevented from leaking, the air pressure in the reaction cavity 104 is reduced, and the storage device is prevented from being broken due to overlarge air pressure. Further, avoid the powder caking, for increase chemical reaction's area, improve absorption efficiency, set up cotton and absorbed substance in the buffer memory chamber 109 and mix, perhaps set up the absorbed substance layering through setting up the cotton.

In some embodiments of the present invention, a non-woven fabric or a perforated separation plate is provided in the gas flow passage 110, or at an upper end port of the gas flow passage 110, and particularly, the separation plate is provided as a plastic plate. The bubbles entering the air flow channel 110 are broken by the non-woven fabric or the perforated partition plate, so that the bubbles are prevented from entering the buffer chamber 109 and blocking the air flow channel 110.

In some embodiments of the present invention, a water absorption layer 111 is disposed below the buffer chamber 109, the water absorption layer 111 is disposed at an end of the airflow channel 110, and the water absorption layer 111 includes sponge or cotton for absorbing moisture generated in the reaction chamber 104. In some examples, the water-absorbing layer 111 may also prevent air bubbles from entering the buffer chamber 109. In some examples, the surface of the water-absorbing layer 111 is provided with a non-woven fabric to separate the absorbing material from the water-absorbing layer 111, prevent the absorbing material from being wetted, and keep the buffer chamber 109 dry.

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 connecting portion 112 to close the gap between the storage device and the inner wall of the casing 101, so as to prevent the chemical substance from escaping to the outside. The inner connection portion 112 is formed of a flexible film having elasticity. Further, the side wall of the water absorption layer 111 is provided with a first one-way valve 113, and the gas in the reaction chamber 104 enters the water absorption layer 111 through the first one-way valve 113. Specifically, part of the ammonia gas in the reaction chamber 104 permeates into the gap between the outer wall of the storage device and the inner wall of the casing 101, and enters the water-absorbing layer 111 through the first check valve 113.

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 external connection portion 114, and the external connection portion 114 is a flexible film having elasticity. An overflow cavity is formed between the outer connecting part 114 and the inner connecting part 112, a second one-way valve 115 is arranged on the side wall of the buffer cavity 109, and the buffer cavity 109 is communicated to the overflow cavity through the second one-way valve 115. When the ammonia gas in the buffer chamber 109 is excessive, the ammonia gas enters the overflow chamber through the second check valve 115, thereby reducing the pressure of the ammonia gas in the buffer chamber 109.

In the description herein, references to the terms "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like, if any, mean 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 within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. Reactor for cold compress hemostasis, characterized in that: comprises that

The device comprises a shell (101), wherein a reaction cavity (104) is arranged at the bottom in the shell (101), a first solution for participating in a refrigeration reaction is stored in the reaction cavity (104), and a pierceable sealing film (105) is arranged at the top of the reaction cavity (104);

a storage device provided in the housing (101) to be movable up and down, the bottom of the storage device is provided with a puncture part (102) for puncturing the sealing film (105), the storage device is provided with a plurality of storage parts, a buffer cavity (109) is arranged in the storage device, the buffer cavity (109) is filled with absorbing materials, each storage part is arranged below the buffer cavity (109), the reaction chamber (104) is communicated to the buffer chamber (109) through a gas flow channel (110), the storage part comprises a plurality of storage cells (103), wherein solid substances for participating in refrigeration reaction are stored in the storage cells (103), the storage grids (103) in the storage part are arranged in a stacked mode, and the outer side walls of the storage grids (103) are provided with communication ports (106) used for communicating the reaction chambers (104);

the second baffle plate (107) is arranged above the reaction cavity (104), and first concave parts used for clamping the edges of the inner wall of the second baffle plate (107) are arranged at the end parts of the upper side wall and the lower side wall of the storage grid (103);

the first annular partition plate (108) is arranged at the top of the reaction chamber (104), the sealing film (105) is arranged in the middle of the first partition plate (108), and the edge of the inner wall of the first partition plate (108) is used for clamping the first concave part;

wherein, the height difference between the first partition (108) and the second partition (107) is equal to the height difference between the upper side wall and the lower side wall of the storage grid (103).

2. A reactor for cold compress hemostasis according to claim 1, characterized in that: set up cotton and absorbent in buffer memory chamber (109) and mix, perhaps through setting up the cotton with absorbent layering setting.

3. A reactor for cold compress hemostasis according to claim 1, characterized in that: the air flow channel (110) is internally provided with a non-woven fabric or a partition plate with holes, or the upper end port of the air flow channel (110) is provided with the non-woven fabric or the partition plate with holes.

4. A reactor for cold compress hemostasis according to claim 1, characterized in that: a water absorption layer (111) is arranged below the cache cavity (109), the water absorption layer (111) is arranged at the end part of the airflow channel (110), and the water absorption layer (111) comprises sponge or cotton.

5. A reactor for cold compress hemostasis, as claimed in claim 4, characterized in that: the outer wall of the storage device is connected with the inner wall of the shell (101) through an inner connecting part (112), and the inner connecting part (112) 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).

6. A reactor for cold compress hemostasis, as claimed in claim 5, characterized in that: the side wall of the water absorption layer (111) is provided with a first one-way valve (113), and gas in the reaction cavity (104) enters the water absorption layer (111) through the first one-way valve (113).

7. A reactor for cold compress hemostasis, as claimed in claim 5, characterized in that: 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 (114), the outer connecting portion (114) is set to be a soft film, an overflow cavity is formed between the outer connecting portion (114) and the inner connecting portion (112), a second one-way valve (115) is arranged on the side wall of the buffer cavity (109), and the buffer cavity (109) is communicated to the overflow cavity through the second one-way valve (115).