CN215306324U

CN215306324U - A hemostasis device for pressing

Info

Publication number: CN215306324U
Application number: CN202022995660.1U
Authority: CN
Inventors: 许波; 梁钥; 乔惠; 李丹; 罗小琴; 宿爱山
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: 2021-12-28
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a hemostasis device for pressing, which comprises a fixing band and a hemostat, wherein the hemostat comprises a shell, a storage device and at least one first puncture part, 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 and is used for storing solid substances participating in refrigeration reaction, and at least one storage grid is arranged in the storage device and is used for containing a first solution participating in the refrigeration reaction; the first puncture part is arranged at the bottom in the shell; the lateral wall and the diapire of shell are provided with the intermediate layer that is used for adorning the sodium sulfate solution, and the inner wall of shell bottom is provided with seals the membrane, and storage device's bottom is provided with second puncture portion. The fixing band is fixed the haemostat in the position of bleeding, presses storage device, and first puncture portion punctures the storage check, and solution one and solid-state material reaction refrigerate for stanch. After hemostasis is finished, the storage device is continuously pressed, and the second puncture part punctures the sealing film at the bottom of the shell.

Description

A hemostasis device for pressing

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a compression hemostasis device.

Background

The collection of blood samples is one of the most common procedures in clinical work. After a blood sample is collected, a blood collection place needs compression hemostasis, a common method is that a patient presses a blood collection point by using a cotton swab, and nurses conduct instruction and propaganda, but because the culture degree and the receptivity degree are different, the patient often bleeds again or subcutaneous extravasated blood at the blood collection point due to incorrect methods, and the hemostasis effect is poor; when the nurse needs to re-collect the blood sample after the first blood sample collection failure, the patient needs to press to stop bleeding and to collect the blood sample again on the other side. If the patient is not accompanied by a caregiver, the patient can not press the blood sample in time, so that the observation of the progress of the disease of the patient is influenced; when the attendant presses for hemostasis, particularly diseases transmitted by body fluid, the risk of infection of the attendant is increased.

SUMMERY OF THE UTILITY MODEL

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

the hemostatic device for pressing provided by the utility model comprises a hemostat and a fixing band, wherein the fixing band is provided with a fixing part for placing the hemostat, and the fixing part is provided with a through hole for installing the hemostat; the hemostat comprises a shell, a storage device and at least one first puncture part, wherein the storage device can be installed 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 and used for storing solid substances participating in refrigeration reaction, at least one storage grid is arranged in the storage device and used for containing a first solution participating in the refrigeration reaction, the first puncture part is arranged at the bottom in the shell and used for puncturing the bottom of the storage grid, interlayers used for containing a sodium sulfate solution are arranged on the side wall and the bottom wall of the shell, a sealing film capable of being punctured is arranged on the inner wall of the bottom of the shell, and a second puncture part used for puncturing the sealing film is arranged at the bottom of the storage device.

In some embodiments of the present invention, a buffer chamber is disposed at an upper portion of the storage device, 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, 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, a pressing plate is disposed at a bottom of the through hole of the fixing portion, and the pressing plate and the fixing portion are elastically connected.

In some embodiments of the utility model, a soft pad is provided on the underside of the pressing plate.

In some embodiments of the utility model, the storage device is mounted to the through hole of the fixing portion by a screw connection.

The embodiment of the utility model has at least the following beneficial effects: the hemostat is designed into a storage grid for containing a solution I, a reaction cavity for containing solid substances and an interlayer for containing a sodium sulfate solution, the hemostat is fixed at the bleeding position of a patient by a fixing band, a storage device is pressed, the storage grid is punctured by a first puncture part, the solution I and the solid substances are subjected to reaction refrigeration, hemostasis is accelerated, and 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 reacts with substances in the shell. The utility model can be widely applied to the technical field of medical instruments.

Drawings

FIG. 1 is a schematic view of a blood-stopping device;

FIG. 2 is a top view of the blood treatment apparatus.

Reference numerals: 101. a housing; 102. a storage cell; 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. sealing the film; 201. fixing belts; 202. a fixed part; 203. and pressing the plate.

Detailed Description

The utility model will be further described with reference to fig. 1 and 2.

The utility model relates to a pressing hemostasis device which comprises a fixing band 201 and a hemostat, wherein the hemostat is placed at a bleeding position by the fixing band 201, hemostasis is rapidly performed through refrigeration while hemostasis is performed through compression, and the pressing hemostasis device is simple, convenient and easy to operate. Specifically, the fixing band 201 is provided with a fixing portion 202 for placing the hemostat, the fixing portion 202 is made of hard plastic, and the fixing portion 202 is provided with a through hole for installing the hemostat. Fixed band 201 is fixed the back with the haemostat, makes things convenient for one-hand operation, need not other people and helps, reduces the chance that nursing staff contacted patient's blood, reduces the risk of infecting in the hospital.

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, the reaction cavity 105 is used for storing solid substances participating in the refrigeration reaction, at least one storage cell 102 is arranged in the storage device, and the storage cell 102 is used for containing a first solution participating in the refrigeration reaction. 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, is equipped with the barium hydroxide solution in the storage check 102, is equipped with the ammonium chloride powder in the reaction chamber 105, presses storage device, and first puncture portion 103 punctures the bottom of storing check 102, and the barium hydroxide solution gets into reaction chamber 105 and produces endothermic chemical reaction with the ammonium chloride powder, reduces the temperature in reaction chamber 105 fast, reduces the temperature that the patient bleeds the position, 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. Anhydrous calcium chloride powder and ammonia take place the complex reaction, generate solid-state complex, prevent to have the amazing ammonia leakage, reduce the atmospheric pressure in the reaction chamber 105 simultaneously, avoid atmospheric pressure too big to lead to storage device to break. 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 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. 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 hemostat is not used, the storage device is arranged above the first puncture part 103 through the configuration installation of the barbs, after the hemostat is pressed, the storage device can be prevented from moving upwards through the configuration installation of the barbs, the position of the storage device is fixed, and the continuous reaction of chemical substances in the storage grid 102 and the reaction cavity 105 is ensured.

In some embodiments of the present invention, the storage device is mounted to the through hole of the fixing portion 202 by a screw connection. Specifically, the inner wall of the through hole of the fixing part 202 is provided with an internal thread, the outer wall of the case is provided with an external thread, and the hemostat is extended and contracted in the through hole of the fixing part 202 through the thread.

In some embodiments of the present invention, the bottom of the through hole of the fixing portion 202 is provided with a pressing plate 203, the hemostat is disposed above the pressing plate 203, and the pressing plate 203 is made of a hard plastic plate or a metal plate with good thermal conductivity. Further, the pressing plate 203 is elastically connected to the fixing portion 202, and specifically, an edge of the pressing plate 203 is elastically connected to the fixing portion 202 through a rubber film. During the use, the haemostat moves down, and the haemostat contacts according to pressing board 203 and will press according to pressing board 203 and push down, presses the laminating of board 203 in the position of bleeding to reach and press the effect of bleeding, the accessible is adjusted the degree of depth that the haemostat moved down and is adjusted the pressure size to the position of bleeding.

In some embodiments of the present invention, the underside of compression plate 203 is provided with a cushion for increasing the comfort of the patient during compression. Specifically, the soft pad adopts sponge, gel or cotton cloth.

In some embodiments of the present invention, the fixing tape 201 is provided as an adhesive tape, and the fixing tape 201 is used for fixing the hemostatic assembly at the bleeding position. In some examples, the fixing band 201 may be designed to be fixed by a hook and loop fastener for stopping bleeding at the arm part.

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 hemostatic device for compression, characterized by: comprises that

The hemostat comprises a shell (101), a storage device and at least one first puncture part (103), wherein 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), the reaction cavity (105) is used for storing solid substances participating in a refrigeration reaction, at least one storage grid (102) is arranged in the storage device, the storage grid (102) is used for containing a first solution participating in the refrigeration reaction, the first puncture part (103) is arranged at the bottom in the shell (101), the first puncture part (103) is used for puncturing the bottom of the storage grid (102), an interlayer (112) used for containing a sodium sulfate solution is arranged on the side wall and the bottom wall of the shell (101), and a sealing film (114) capable of being punctured is arranged on the inner wall of the bottom of the shell (101), the bottom of the storage device is provided with a second puncture part (113) for puncturing the sealing film (114);

the fixing strap (201), fixing strap (201) is provided with fixed part (202) that is used for placing the haemostat, fixed part (202) are provided with the through-hole that is used for installing the haemostat.

2. Hemostatic device for compression according to claim 1, characterized in that: the upper part of the storage device is provided with a buffer cavity (104), and the reaction cavity (105) is communicated with the buffer cavity (104) through a gas flow channel (106).

3. Hemostatic device for compression according to claim 2, characterized in that: 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.

4. Hemostatic device for compression according to claim 2 or 3, 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. Hemostatic device for compression according to claim 2, 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 (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).

6. A hemostatic device for compression according to claim 3, 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).

7. Hemostatic device for compression according to 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 (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).

8. Hemostatic device for compression according to claim 1, characterized in that: the bottom of the through hole of the fixing part (202) is provided with a pressing plate (203), and the pressing plate (203) is elastically connected with the fixing part (202).

9. Hemostatic device for compression according to claim 8, characterized in that: the lower side of the pressing plate (203) is provided with a soft cushion.

10. Hemostatic device for compression according to claim 1, characterized in that: the storage device is mounted with the through hole of the fixing part (202) by screw connection.