CN215018249U

CN215018249U - A device for stanching

Info

Publication number: CN215018249U
Application number: CN202022946912.1U
Authority: CN
Inventors: 许波; 李丹; 蒋琳; 张广清; 朱程宁; 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: 2021-12-07
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a device for hemostasis, the device is including hemostasis subassembly and fixed band, the hemostasis subassembly includes the shell, storage device and at least one puncture portion, storage device can install in the shell with reciprocating, constitute the reaction chamber between storage device's bottom and the shell bottom, the reaction chamber is used for storing the solid-state material of participating in the refrigeration reaction, storage device's upper portion is provided with the buffer memory chamber that is used for storing the absorbing material, the reaction chamber passes through air flow channel and buffer memory chamber intercommunication, be provided with at least one storage check among the storage device, the storage check are used for installing the solution one of participating in the refrigeration reaction, puncture portion sets up the bottom at the shell. The fixing band fixes the hemostasis subassembly at patient's hemorrhage position, presses the hemostasis subassembly, and the storage check is punctured to the portion of puncturing, and solution one and solid-state material produce the refrigeration reaction, stanch fast, avoid producing the extravasated blood, and the ammonia that the reaction produced gets into the buffer memory chamber and absorbs. The utility model can be widely applied to the technical field of medical instruments.

Description

A device for stanching

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a device for stanching.

Background

In clinical work, a blood sample of a patient is collected through venipuncture or medicines are infused into the body of the patient through venipuncture for the purpose of treating diseases, and therefore, venipuncture is one of the most common operations in clinical work. After venipuncture is finished, the puncture part needs to be pressed for hemostasis, a common method is that a patient presses the puncture part by a cotton swab, and the patient often bleeds again or subcutaneous extravasated blood at the puncture part because the pressing method is incorrect or the pressing time is insufficient, so that the hemostasis effect is poor; particularly, when the nurse needs to puncture again after the first venipuncture fails, the patient needs to press to stop bleeding and to puncture again at another place. If the patient is without assistance from other people, the patient has no way to press; even when other persons assist in compression hemostasis, the risk of infection of the compression person, particularly through blood-borne diseases, is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, obtain better hemostatic effect, the utility model provides a device for hemostasis, the technical scheme who adopts as follows:

the utility model provides a device for hemostasis comprises a hemostasis assembly and a fixing band, wherein the fixing band is provided with a fixing part for placing the hemostasis assembly, the fixing part is provided with a through hole for installing the hemostasis assembly, the hemostasis assembly comprises a shell, a storage device and at least one puncture part, the storage device can be installed 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, at least one storage grid is arranged in the storage device and is used for containing a first solution participating in refrigeration reaction, the puncture part is arranged at the bottom of the shell and is used for puncturing the bottom of the storage grid, the upper part of the storage device is provided with a cache cavity for storing absorbing substances, the absorption substance is used for absorbing gas generated by reaction, and the reaction cavity is communicated with the cache cavity through the gas flow channel.

In some embodiments of the present invention, the bottom of the through hole of the fixing portion is provided with a pressing plate, the pressing plate is movably connected to the fixing portion.

In some embodiments of the present invention, the lower side of the pressing plate is provided with a cushion.

The utility model discloses a certain embodiment, be provided with the layer that absorbs water in the buffer memory chamber, the layer setting that absorbs water is in airflow channel's port, the layer that absorbs water includes sponge or cotton.

The utility model discloses an in some embodiments, be provided with non-woven fabrics or foraminiferous baffle among the airflow channel, perhaps airflow channel's upper end port department is provided with non-woven fabrics or foraminiferous baffle.

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, the inner connecting portion is configured as a soft film to seal the gap between the outer wall of the storage device and the inner wall of the housing.

In some embodiments of the present invention, the sidewall of the buffer chamber is provided with a first check valve, and the reaction chamber communicates with the buffer chamber through the first check valve.

The utility model discloses an in some embodiments, storage device's outer wall pass through outer connecting portion with the outside at shell top is connected, outer connecting portion set up to soft film, inner connecting portion with constitute the overflow chamber between the outer connecting portion, the lateral wall in buffer memory chamber is provided with the second check valve, the buffer memory chamber passes through the second check valve intercommunication to the overflow chamber.

In certain embodiments of the present invention, the side wall and the bottom wall of the housing are provided with interlayers for storing a soluble sulfate solution.

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

The embodiment of the utility model has the following beneficial effect at least: the hemostatic assembly is designed to be used for storing a first solution storage grid, a reaction chamber for storing solid substances and a buffer chamber for storing absorbing substances, the hemostatic assembly is fixed at the bleeding position of a patient by the fixing belt, the hemostatic assembly is pressed, the storage grid is punctured by the puncture part, the first solution and the solid substances generate refrigeration reaction, cold compress hemostasis is realized, hemostasis is rapidly realized, extravasated blood is avoided, and gas generated by reaction enters the buffer chamber to be absorbed. The utility model can be widely applied to the technical field of medical instruments.

Drawings

FIG. 1 is a schematic structural view of the apparatus;

fig. 2 is a top view of the structure of fig. 1.

Reference numerals: 101. a housing; 102. a storage cell; 103. a puncture section; 104. a cache cavity; 105. a reaction chamber; 106. an air flow channel; 107. a water-absorbing layer; 108. an inner connection portion; 109. an outer connecting portion; 110. a first check valve; 111. a second one-way valve; 112. an interlayer; 201. fixing belts; 202. a fixed part; 203. and pressing the plate.

Detailed Description

The present invention will be further described with reference to fig. 1 to 2.

The utility model relates to a device for hemostasis, the device is including hemostasis subassembly and fixed band 201, fixed band 201 is provided with the fixed part 202 that is used for placing the hemostasis subassembly, fixed part 202 adopts rigid plastic to make, fixed part 202 is provided with the through-hole that is used for installing the hemostasis subassembly, the hemostasis subassembly pastes at the position of bleeding, hemostasis fast through refrigeration when oppression is hemostatic, fixed band 201 is with the fixed back of hemostasis subassembly, make things convenient for one-hand operation, need not other people and assist, reduce the chance that nursing staff contacted patient's blood, reduce the risk of infection in the institute.

The hemostatic assembly comprises a housing 101, a storage device arranged as a cylindrical structure, the housing 101 arranged as a rigid plastic shell, and at least one puncture part 103, the storage device being mounted in the housing 101 in a movable manner up and down. A reaction 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 following examples are given by using the solid substance as the ammonium chloride powder and using the first solution as the barium hydroxide solution.

The puncturing part 103 is arranged at the bottom of the housing 101, the puncturing part 103 is positioned below the storage grid 102, the puncturing part 103 is used for puncturing the bottom of the storage grid 102, specifically, the number of the storage grids 102 is two, and correspondingly, the number of the puncturing parts 103 is two. During the use, the hemostasis subassembly pastes at the position of bleeding, 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 puncture portion 103 punctures the bottom of storage 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.

The upper portion of the storage device is provided with a cache cavity 104 for storing an absorbing substance, the absorbing substance is used for absorbing gas generated by reaction, the absorbing substance 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 reaction chamber 105 is communicated with the buffer chamber 104 through a gas flow channel 106, and 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. In the use, buffer memory chamber 104 is provided with the absorbent, and anhydrous calcium chloride takes place the complex reaction with the ammonia, generates solid-state complex, prevents to have amazing ammonia to leak, reduces the atmospheric pressure in the reaction chamber 105 simultaneously, avoids 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.

The utility model discloses an in some embodiments, be provided with the layer 107 that absorbs water in the buffer memory chamber 104, the layer 107 that absorbs water sets up the port at airflow channel 106, and the layer 107 that absorbs water includes sponge or cotton for absorb the water that produces in the reaction chamber 105, the layer 107 that absorbs water simultaneously also can reduce the bubble that produces in the reaction chamber 105 and get into buffer memory chamber 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.

The utility model discloses an in some embodiments, be provided with non-woven fabrics or foraminiferous baffle in airflow channel 106, perhaps airflow channel 106's upper end port department is provided with non-woven fabrics or foraminiferous baffle, specifically, the baffle sets up to the plastic slab. 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.

The utility model discloses an in some embodiments, storage device's outer wall passes through the interior wall connection of in-connection portion 108 and shell 101, and in-connection portion 108 sets up to soft film to seal the gap between storage device outer wall and the shell 101 inner wall, avoid the chemical matter in the reaction chamber 105 to flow to external environment. Further, the side wall of the buffer cavity 104 is provided with a first check valve 110, the reaction cavity 105 is communicated to the buffer cavity 104 through the first check valve 110, and gas generated in the reaction cavity 105 can also enter the buffer cavity 104 through the first check valve 110.

The utility model discloses an in some embodiments, storage device's outer wall passes through outer connecting portion 109 and is connected with the outside at shell 101 top, and outer connecting portion 109 sets up to soft film, constitutes the overflow chamber between inner connecting portion 108 and the outer connecting portion 109, and the lateral wall in buffer memory chamber 104 is provided with second check valve 111, and buffer memory chamber 104 communicates to the overflow chamber through 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 side walls and bottom wall of the housing 101 are provided with an interlayer 112 for storing a soluble sulfate solution. Specifically, the soluble sulfate solution is a saturated solution, such as a sodium sulfate solution, a potassium sulfate solution, a magnesium sulfate solution. During the refrigeration reaction of the reaction cavity 105, the soluble sulfate solution can play a role in buffering the temperature, so that the temperature is prevented from dropping too fast due to the refrigeration reaction, and the skin of a patient is prevented from being frostbitten. In addition, the cooled soluble sulfate solution can continuously maintain the low-temperature environment of the bleeding position, and the cold compress time is prolonged. In addition, because both barium hydroxide and barium chloride are toxic, if the hemostatic assembly is ruptured outside of the hemostatic assembly, the soluble sulfate solution can also react with the barium hydroxide or barium chloride to form non-toxic barium sulfate.

In some embodiments of the present invention, the top and the side wall of the storage device are made of rigid plastic, and the bottom of the storage grid 102 is sealed by rubber or plastic film, so that the puncture part 103 can be punctured conveniently.

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

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

In some embodiments of the present disclosure, the hemostatic assembly is mounted on the fixing portion 202 by a threaded 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 housing 101 is provided with an external thread, and the hemostatic assembly ascends and descends in the fixing part 202 through the thread. Because can dismantle between the helicitic texture, the convenient change of hemostasis subassembly can realize carrying out long time or many times cold compress to the patient, and application scope is wide, simple and convenient easy to operate.

In some embodiments of the utility model, the bottom of fixed part 202 through-hole is provided with presses clamp plate 203, and the subassembly that stanchs is located the top of pressing clamp plate 203, presses clamp plate 203 to set up to the good stereoplasm pan feeding board of heat conductivity or metal sheet. The pressing plate 203 is movably connected with the fixing portion 202, and specifically, the edge of the pressing plate 203 is elastically connected with the fixing portion 202 through a rubber film. During the use, hemostasis subassembly moves down, and hemostasis subassembly contact is pressed board 203 and will be pressed board 203 and push down, presses board 203 laminating in the position of bleeding to reach and press hemostatic effect, the accessible is adjusted the degree of depth that hemostasis subassembly moved down and is adjusted the pressure size to the position of bleeding.

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

In some embodiments of the present invention, the fixing band 201 is provided as an adhesive tape, and the fixing band 201 is used to fix 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.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but 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 device for hemostasis, characterized by: comprises that

The hemostasis assembly comprises a shell (101), a storage device and at least one puncture part (103), wherein 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), 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 puncture part (103) is arranged at the bottom of the shell (101), and the puncture part (103) is used for puncturing the bottom of the storage grid (102);

the fixing band (201), the fixing band (201) is provided with a fixing part (202) for placing the hemostatic assembly, and the fixing part (202) is provided with a through hole for installing the hemostatic assembly;

wherein, the upper portion of the storage device is provided with a buffer cavity (104) for storing an absorbing substance, the absorbing substance is used for absorbing gas generated by reaction, and the reaction cavity (105) is communicated with the buffer cavity (104) through a gas flow channel (106).

2. The device for hemostasis as claimed in claim 1, wherein: the bottom of the through hole of the fixing part (202) is provided with a pressing plate (203), and the pressing plate (203) is movably connected with the fixing part (202).

3. A device for hemostasis as claimed in claim 2, wherein: the lower side of the pressing plate (203) is provided with a soft cushion.

4. The device for hemostasis as claimed in claim 1, wherein: a water absorption layer (107) is arranged in the buffer cavity (104), the water absorption layer (107) is arranged at the port of the airflow channel (106), and the water absorption layer (107) comprises sponge or cotton.

5. The device for hemostasis according to claim 4, wherein: be provided with non-woven fabrics or foraminiferous baffle in airflow channel (106), perhaps airflow channel's (106) upper end port department is provided with non-woven fabrics or foraminiferous baffle.

6. The device for hemostasis as claimed in 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 outer wall of the storage device and the inner wall of the shell (101).

7. The device for hemostasis according to claim 6, wherein: the side wall of the buffer cavity (104) is provided with a first one-way valve (110), and the reaction cavity (105) is communicated to the buffer cavity (104) through the first one-way valve (110).

8. Device for hemostasis according to claim 6 or 7, 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).

9. The device for hemostasis as claimed in claim 1, wherein: the side walls and the bottom wall of the housing (101) are provided with an interlayer (112) for storing a soluble sulphate solution.

10. The device for hemostasis as claimed in claim 1, wherein: the outer side of the storage device and the inner wall of the shell (101) are installed through a clamping structure.