CN112603435A

CN112603435A - A hemostasis device that is used for PICC to put cold compress behind pipe

Info

Publication number: CN112603435A
Application number: CN202011437024.5A
Authority: CN
Inventors: 许波; 许重远; 朱清瑶; 罗小琴; 乔惠; 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: 2021-04-06
Anticipated expiration: 2040-12-11
Also published as: CN112603435B

Abstract

The invention discloses a hemostasis device for cold compress after PICC (peripherally inserted Central catheter) catheterization, which comprises a reactor and a fixing band, wherein the reactor comprises a shell and a storage device, a reaction cavity is arranged at the bottom in the shell, a first solution is filled in the reaction cavity, a first sealing film is arranged at the top of the reaction cavity, the shell is provided with an interlayer, a sulfate solution is filled in the interlayer, a second sealing film is arranged at the bottom wall in the shell, the storage device is arranged in the shell, a puncture part 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, and the storage grids are filled with solid substances. The fixing band fixes the reactor in the position of bleeding, presses storage device, and the puncture part punctures first membrane, and solid-state material and solution react the refrigeration for hemostasis. And continuously pressing the storage device, wherein the puncture part punctures the second sealing film, and the sulfate solution reacts with barium hydroxide or barium chloride to generate nontoxic barium sulfate. The invention can be widely applied to the technical field of medical instruments.

Description

A hemostasis device that is used for PICC to put cold compress behind pipe

Technical Field

The invention relates to the technical field of medical instruments, in particular to a hemostatic device for cold compress after PICC (peripherally inserted Central catheter) catheterization.

Background

At present, the incidence rate and the fatality rate of tumors are on the trend of increasing year by year, the intravenous chemotherapy is the most key component in the comprehensive treatment of tumors, but repeated puncture can stimulate blood vessels of patients to cause phlebitis, blood seepage at puncture points, infection and other problems, and the pain of the patients is increased. The peripheral venipuncture Central Venous catheterizing (peripheral Venous catheterizing) is called PICC for short, and the application in the Venous chemotherapy greatly improves the pain of patients and improves the life quality of the patients.

The PICC catheter usually selects a blood vessel with good elasticity and exposure (such as any one of basilic vein, median elbow vein and cephalic vein) at the fossa cubeta of a patient for puncture, the catheter directly reaches the great vein close to the heart, the chemotherapy drugs are prevented from directly contacting the arm vein, and the blood flow speed of the great vein is high, so that the drugs can be quickly diluted, and the stimulation of the drugs to the blood vessel is prevented. The inserted catheter can be used for more than 1 year, which is sufficient to maintain the chemotherapy over.

However, PICC catheterization belongs to invasive operation, and a plurality of complications inevitably exist. Among them, the bleeding at the puncture site after the PICC catheterization is one of the common complications, if the treatment is not timely or proper, the risk of local swelling, infection, phlebitis and the like at the puncture site will be increased, and finally the catheter has to be removed, which will increase the psychological and economic burden of the patient while affecting the treatment of the patient.

Disclosure of Invention

In order to solve at least one of the technical problems and prevent blood seepage, the invention provides a hemostatic device for cold compress after PICC (peripherally inserted central catheter) catheterization, which adopts the following technical scheme:

the hemostasis device for cold compress after PICC (peripherally inserted central catheter) placement comprises a reactor and a fixing band, wherein the fixing band is provided with a fixing part for placing the reactor, the fixing part is provided with a fixing through hole for installing the reactor, the lower end of the fixing through hole is provided with a pressing plate, and the side surface of the pressing plate is provided with a containing groove for placing a PICC catheter; the reactor comprises a shell and a storage device, wherein a reaction cavity is arranged at the bottom in the shell, a first solution used for participating in a refrigeration reaction is stored in the reaction cavity, a first sealing film capable of being punctured is arranged at the top of the reaction cavity, an interlayer is arranged on the shell, a sulfate solution is stored in the interlayer, a second sealing film capable of being punctured is arranged on the bottom wall in the shell, the storage device is arranged in the shell in a vertically movable mode, a puncture part is arranged at the bottom of the storage device, a plurality of storage parts are arranged on the storage device, each storage part comprises a plurality of storage grids, solid substances used for participating in the refrigeration reaction are stored in the storage grids, the storage grids in the storage parts are arranged in a stacked mode, and communication ports used for communicating the reaction cavity are formed in the outer side walls of the storage grids.

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 first 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, a non-woven fabric or a perforated separation plate is disposed in the air flow channel, or a non-woven fabric or a perforated separation plate is disposed at an upper end cut 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.

In some embodiments of the present invention, the pressing plate is elastically connected to the sidewall of the fixing through hole by a rubber film.

The embodiment of the invention has at least the following beneficial effects: the fixing band fixes the reactor at the bleeding position, the storage device is pressed, the first sealing film at the top of the reaction cavity is punctured by the puncturing part, and the solid substances in the storage grids and the solution in the reaction cavity react to refrigerate, so that the hemostasis is accelerated, and the extravasated blood is prevented. And continuously pressing the storage device, puncturing the second sealing film by the puncture part, and reacting the sulfate solution in the interlayer with barium hydroxide or barium chloride in the reaction cavity to generate nontoxic barium sulfate. 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 a blood-stopping device;

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

Reference numerals: 101. a housing; 102. a puncture section; 103. a storage cell; 104. a reaction chamber; 105. a first sealing film; 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; 116. an interlayer; 117. a second sealing film; 201. a fixed part; 202. a pressing plate; 203. binding bands; 204. a containing groove.

Detailed Description

Embodiments of the invention, examples of which are illustrated in the accompanying drawings, are described in detail below with reference to fig. 1-2, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality 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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 hemostasis device for cold compress after PICC (peripherally inserted Central catheter) catheterization, which comprises a reactor and a fixing band, wherein the fixing band is provided with a fixing part 201 for placing the reactor, the fixing part 201 is made of hard plastic, and the fixing part 201 is provided with a fixing through hole for installing the reactor. The fixing band fixes the reactor at the bleeding position of the patient for rapid hemostasis, and has the effect of compression hemostasis. The fixed band makes things convenient for one-hand operation with the position of reactor after fixed, need not other people and helps, reduces the chance that nursing staff contacted patient's blood, reduces the risk of infecting in the hospital.

Wherein, the lower extreme of fixed through-hole is provided with presses the clamp plate 202, and the reactor is located the top of pressing the clamp plate 202, presses clamp plate 202 to set up to good stereoplasm plastic slab or metal sheet of thermal conductivity, and the side of pressing clamp plate 202 is provided with the storage tank 204 that is used for placing the PICC pipe. In some examples, the pressing plate 202 is elastically connected to the sidewall of the fixing through-hole through a rubber film. During the use, the reactor moves down, and the reactor contacts and presses the pressure board 202 and will press the pressure board 202 and push down, presses the laminating of board 202 in the position of bleeding to reach the hemostatic effect of pressing, the accessible is adjusted the reactor depth of moving down and is adjusted the pressure size to the position of bleeding.

In some embodiments of the present invention, the underside of compression plate 202 is provided with a cushion for increased patient comfort during compression. Specifically, the soft pad adopts sponge, gel or cotton cloth.

In some embodiments of the invention, a fixation strap is provided as an adhesive tape, the fixation strap being used to secure the hemostatic assembly at a hemorrhage site. In some examples, the fixing band can be designed to fix the arm part for hemostasis by a magic tape.

In some embodiments of the present invention, two bands 203 are disposed at the end of the fixing band, the bands 203 are configured as adhesive tapes or magic tapes, and the H-shaped fixing band enables the reactor and the pressing plate 202 to be more closely attached to the bleeding position. For example, when the bleeding site is at the elbow, the fixation band is more easily fixed.

In the hemostatic device according to the present invention, the reactor includes a housing 101 and a storage device, the storage device is provided in a cylindrical structure, the storage device is provided in the housing 101 so as to be movable up and down, the storage device is provided with a plurality of storage sections, for example, the number of the storage sections is 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 first sealing film 105 which can be punctured, the first sealing film 105 is arranged to be a rubber film or a plastic film, the bottom of the storage device is provided with a puncturing part 102, the outer side wall of the storage lattice 103 is provided with a communication port for communicating the reaction chamber 104, and specifically, the communication port is arranged to be a plurality of holes. The casing 101 is provided with an interlayer 116, the interlayer 116 stores a sulfate solution, the sulfate solution is a sodium sulfate, potassium sulfate or magnesium sulfate solution, a second sealing film 117 capable of being punctured is arranged on the bottom wall in the casing 101, and the second sealing film 117 is a rubber film or a plastic film.

During the use, the reactor pastes at the position of bleeding, presses storage device, and first membrane 105 is sealed in puncture portion 102 puncture, and storage check 103 gets into reaction chamber 104, and ammonium chloride solution and barium hydroxide powder produce the refrigeration reaction, reduces the temperature in reaction chamber 104 fast, reduces the temperature of position of bleeding to realize the cold compress hemostasis to the position of bleeding, avoid appearing the extravasated blood, alleviate patient's painful sense. In the refrigeration reaction process, the sulfate solution in the interlayer 116 can play a role in buffering 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 storage device is continuously pressed, the puncture part 102 punctures the second sealing film 117, and the sulfate solution reacts with barium hydroxide or barium chloride to generate nontoxic barium sulfate.

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 an annular first partition 108, the first 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 first 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 upper 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. And in particular, for absorbing gases 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 disposed in the air flow channel 110, or a non-woven fabric or a perforated separation plate is disposed at an upper end cut of the air flow channel 110, and particularly, the separation plate is 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 absorbing layer 111 is disposed below the buffer chamber 109, the water absorbing layer 111 is disposed at an end of the air flow channel 110, and the water absorbing 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 check valve 113, and the gas in the reaction chamber 104 enters the water absorption layer 111 through the first check 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 check 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 check 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 in the buffer chamber 109.

In some embodiments of the present invention, the housing of the storage device is screwed into the fixing hole of the fixing portion 201, and the reactor is extended and retracted in the fixing hole by rotating the housing. Specifically, the outside of shell is provided with the external screw thread, and fixed through-hole's inner wall is provided with the internal thread, and the reactor passes through the screw thread and goes up and down to move in fixed through-hole.

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 without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a hemostasis device that is used for PICC to put cold compress behind pipe which characterized in that: comprises that

The reactor comprises a shell and a storage device, 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), a first pierceable sealing film (105) is arranged at the top of the reaction cavity (104), an interlayer (116) is arranged on the shell (101), a sulfate solution is stored in the interlayer (116), a second pierceable sealing film (117) is arranged at the bottom wall in the shell (101), the storage device is arranged in the shell (101) in a manner of moving up and down, a piercing part (102) 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 (103), solid substances for participating in the refrigeration reaction are stored in the storage grids (103), and the storage grids (103) in the storage parts are arranged in a stacked manner, the outer side wall of the storage grid (103) is provided with a communication port for communicating the reaction cavity (104);

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

the lower end of the fixing through hole is provided with a pressing plate (202), and the side surface of the pressing plate (202) is provided with a containing groove (204) for containing a PICC catheter.

2. The hemostatic device for post-PICC catheterisation cold compress according to claim 1, wherein: an annular second partition plate (107) is arranged above the reaction chamber (104), and first concave parts used for clamping the edge of the inner wall of the second partition plate (107) are arranged at the end parts of the upper side wall and the lower side wall of the storage grid (103).

3. The hemostatic device for post-PICC catheterisation cold compress according to claim 2, wherein: the top of the reaction cavity (104) is provided with an annular first partition plate (108), the first sealing film (105) is arranged in the middle of the first partition plate (108), the edge of the inner wall of the first partition plate (108) is used for clamping the first concave part, and the height difference between the first partition plate (108) and the second partition plate (107) is equal to the height difference between the upper side wall and the lower side wall of the storage grid (103).

4. The hemostatic device for post-PICC catheterisation cold compress according to claim 1, wherein: the storage device is provided with a buffer cavity (109), the buffer cavity (109) is filled with absorbing substances, each storage part is arranged below the buffer cavity (109), and the reaction cavity (104) is communicated to the buffer cavity (109) through a gas flow channel (110).

5. The hemostatic device for post-PICC catheterisation cold compress according to claim 4, wherein: the airflow channel (110) is internally provided with a non-woven fabric or a separation plate with holes, or the upper end fracture of the airflow channel (110) is provided with the non-woven fabric or the separation plate with holes.

6. The hemostatic device for post-PICC catheterisation cold compress according to claim 4, wherein: a water absorption layer (111) is arranged below the buffer 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.

7. The hemostatic device for post-PICC catheterisation cold compress according to claim 6, wherein: 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).

8. The hemostatic device for post-PICC catheterisation cold compress according to claim 7, wherein: 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).

9. The hemostatic device for post-PICC catheterisation cold compress according to claim 7, wherein: the outer wall of the storage device is connected with the outer side of the top of the shell (101) through an outer connecting portion (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).

10. The hemostatic device for post-PICC catheterisation cold compress according to claim 1, wherein: the pressing plate (202) is elastically connected with the side wall of the fixing through hole through a rubber film.