CN114366883A

CN114366883A - Combined closed thoracic drainage device

Info

Publication number: CN114366883A
Application number: CN202210101690.4A
Authority: CN
Inventors: 王芬; 彭丽静; 姜华
Original assignee: Beijing Qidan Medical Technology Co ltd
Current assignee: Beijing Qidan Medical Technology Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-04-19

Abstract

The invention discloses a combined closed thoracic drainage device which comprises a drainage bottle, a drainage tube assembly and a puncture assembly which penetrates through the drainage tube assembly and is detachably arranged. The drainage tube assembly comprises a catheter, a one-way valve assembly arranged on a passage of the catheter for exhausting air and a flux switch for controlling the liquid to pass through; the puncture assembly comprises a handheld part and a puncture needle connected with the handheld part, and the needle tip of the puncture needle protrudes out of the end of the catheter. The utility model provides a thorax closed drainage ware suitable for scene, battlefield first aid, its easy operation, wound are little, can be after handling urgent pneumothorax, alleviate wounded's breathing difficulty and circulation obstacle rapidly, have won the time for rescuing wounded's life to send the doctor after the transportation on the way and continue to keep lasting drainage to the interior gas of thorax, also be used for clinical first aid in the hospital simultaneously.

Description

Combined closed thoracic drainage device

Technical Field

The invention relates to the technical field of drainage devices, in particular to a combined closed thoracic cavity drainage device.

Background

The pleural cavity is a closed potential void that is free of gas, and is called a pneumothorax once the tightness of the pleural cavity is broken, causing gas to enter and accumulate in the pleural cavity causing compression of the lungs. A large number of pneumothorax patients are accompanied by obvious breathing or circulation dysfunction, chest pain and stuffiness, and serious dyspnea, and symptoms such as accelerated heart rate, reduced blood pressure, even shock and the like can also appear due to disappearance of venous blood return negative pressure to the heart. The rupture of lung tissues and visceral pleura caused by primary lung diseases or caused by iatrogenic factors such as surgical operation, lung biopsy, placement of a central venous catheter, operation requiring access to the thoracic cavity and the like is mainly caused clinically; the daily life is mainly caused by sharp injury, blunt contusion and traffic accidents; battlefield is mainly caused by thoracodorsal penetration injury (gunshot), contusion (car accident) and intense explosion.

The incidence rate of pneumothorax in the wounded with chest trauma is as high as 97.6%, the traumatic pneumothorax usually has acute disease and changes quickly, and needs emergency treatment, more than 90% of lives of the wounded can be saved by effective treatment, and the respiratory and circulatory dysfunction of the patient can be caused if the patient is not treated properly or treated timely, and the life safety of the patient can be endangered by serious patients, so the patient needs to be first-aid in the field treatment stage outside a hospital.

The current pneumothorax mode of handling is carried out for the doctor in the operating room: the method is characterized in that the skin of a patient is cut open, a drainage tube is inserted into the thoracic cavity through the 2 nd intercostal space of the midline of the clavicle, and the outer section of the drainage tube is connected with a drainage bag or a drainage bottle for continuous closed thoracic drainage. During operation, a patient takes a semi-lying position or a supine position, is locally sterilized by a conventional method, is paved with a sterile towel, and is locally infiltrated and anesthetized by 1% lidocaine hydrochloride to the parietal pleura. After the anesthesia is successful, an incision with the length of about 1-2cm is made along the intercostal space, the muscular layer is separated in a blunt manner, the parietal pleura is punctured, a drainage tube is placed into the pleural cavity from the incision, and then the drainage tube is fixed by suturing the local skin and is connected with a sterile water sealing bag or bottle. The drainage device mainly comprises a closed drainage bag, a drainage connecting pipe, a joint and a three-way cock, is large in size, inconvenient to carry, complex to operate and large in formed wound, and is not suitable for outdoor first aid, battlefield first aid, pre-hospital first aid and the like.

Disclosure of Invention

The invention aims to provide a thoracic closed drainage device suitable for on-site and battlefield first-aid, which is simple to operate, has small wound, can quickly relieve the dyspnea and circulatory disturbance of a wounded person after treating an emergency pneumothorax, wins time for rescuing the life of the wounded person, continuously keeps continuous drainage of gas in the thoracic cavity in the way of delivery to a doctor after transportation, and is also used for clinical first-aid in hospitals to solve the technical problems in the background technology.

The technical scheme of the invention provides a combined closed thoracic drainage device, which comprises a drainage bottle, a drainage tube assembly and a puncture assembly, wherein the puncture assembly penetrates through the drainage tube assembly and is detachably arranged;

the drainage tube assembly comprises a catheter, a one-way valve assembly arranged on the catheter passage for exhausting gas and a flux switch for controlling the liquid to pass through; the puncture assembly comprises a handheld part and a puncture needle connected with the handheld part, and the needle tip of the puncture needle protrudes out of the end part of the catheter.

In a preferred embodiment, the catheter is a hose, and the catheter close to one side of the needle tip of the puncture needle is made of elastic temperature control memory bending material, and is provided with a through hole communicated with the inner cavity of the catheter.

In a preferred embodiment, the catheter is provided with a threaded interface far away from the tip of the puncture needle, the bottleneck of the drainage bottle is provided with internal threads, the drainage bottle is connected with the threaded interface, and the body of the drainage bottle is provided with adhesive.

In a preferred embodiment, the one-way valve assembly comprises a valve body which is communicated with the guide pipe and is arranged in a concave manner, a valve clack arranged in the concave portion of the valve body, and a rubber sleeve which covers the top of the valve body; the valve clack inserts the valve body with the intercommunication department of pipe, just the valve clack top with rubber sleeve internal surface contact, circumference is provided with the bleeder vent on the valve body, and during the exhaust the valve clack will the rubber sleeve jack-up, the bleeder vent exposes.

In a preferred embodiment, the valve flap comprises a cylindrical part and a flat plate part arranged on the cylindrical part, the top end of the cylindrical part is in contact with the rubber sleeve, and the bottom of the cylindrical part is inserted into a communication part of the valve body and the guide pipe.

In a preferred embodiment, the catheter is disposed through the flux switch, the flux switch includes two fixed portions at two sides and a knob portion in the middle, a pressure tube assembly is disposed on the knob portion, the pressure tube assembly contacts with the side of the catheter, and the pressure tube assembly moves in a direction of closing or opening the flux switch when the knob portion is rotated.

In a preferred embodiment, the knob portion comprises an upper limiting portion and a lower limiting portion connected by a connecting plate, the upper limiting portion and the lower limiting portion are both provided with cylindrical cavities, the cylindrical cavities are arranged to deviate from the longitudinal axis of the catheter, and the pressure pipe assembly is arranged between the upper limiting portion and the lower limiting portion.

In a preferred embodiment, the pressure pipe assembly comprises an arc-shaped limiting plate, a pressing post and a spring, wherein two sides of the arc-shaped limiting plate respectively extend into the cylindrical cavities of the upper limiting part and the lower limiting part, the pressing post is perpendicular to the arc-shaped limiting plate, the spring is sleeved on the pressing post, the end part of the pressing post is in contact with the guide pipe, and the arc-shaped limiting plate is in abutting contact with the cylindrical cavities.

In a preferred embodiment, two sides of the knob part are provided with sealing rings, and the knob part is connected with the fixing parts at two sides through the sealing rings.

The technical scheme of the invention has the beneficial effects that:

1. through the drainage tube subassembly and the puncture subassembly of combination formula, guarantee that the pipe can arrange the thorax in smoothly, through setting up subassembly such as flux switch, check valve subassembly, drainage bottle, realize the thorax to external drainage. Meanwhile, the wound formed by the drainage device is small, convenient to use and carry.

2. The one-way valve component is automatically opened or closed by utilizing the change of air pressure, so that the gas is ensured to be discharged from the chest to the outside in one way, and meanwhile, the external air is prevented from entering the chest, and the infection of the chest is avoided; the flux switch is of a knob type, the on-off switching of the catheter can be realized by twisting the knob part, and the operation is simple.

Drawings

Figure 1 is a schematic view of the overall structure of the present invention,

figure 2 is an exploded view of the structure of the present invention,

figure 3 is a schematic view of the one-way valve assembly of the present invention,

FIG. 4 is a view showing the relationship between the position of the crimp assembly and the position of the knob portion in accordance with the present invention,

FIG. 5 is a view of the tube assembly of the present invention in another perspective position with respect to the knob portion.

Description of reference numerals: the puncture needle comprises a drainage bottle 1, an adhesive 11, a catheter 2, a through hole 21, a check valve assembly 3, a valve body 31, a concave part 32, a valve clack 33, a cylindrical part 331, a flat plate part 332, a rubber sleeve 34, a vent hole 35, a communicating part 36, a flux switch 4, a fixing part 41, a knob part 42, a connecting plate 421, a spacing part on the upper side 422, a spacing part on the lower side 423, a cylindrical cavity 424, a pressure pipe assembly 43, an arc limiting plate 431, a pressure column 432, a 433 spring, a sealing ring 44, a puncture assembly 5, a handheld part 51, a puncture needle 52, a butterfly application 6 and an indication window 7.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1-5, the technical scheme of the invention provides a combined closed thoracic drainage device, which comprises a drainage bottle 1, a drainage tube assembly and a puncture assembly 5 which penetrates through the drainage tube assembly and is detachably arranged. The puncture component 5 is embedded into the drainage tube component, the front end of the drainage tube component is brought into the thoracic cavity after the puncture component 5 punctures, then the puncture component 5 is pulled out, and the drainage tube component is arranged in the thoracic cavity at the moment. So far, the insertion work of the drainage tube assembly is completed, and then the follow-up drainage work is completed through the drainage tube assembly.

The drainage tube component comprises a guide tube 2, a one-way valve component 3 arranged on the passage of the guide tube 2 and used for exhausting air and a flux switch 4 used for controlling the liquid to pass; the puncture set 5 includes a hand-held portion 51 and a puncture needle 52 connected to the hand-held portion 51, and a needle tip of the puncture needle 52 is provided to protrude from an end of the catheter 2.

The puncture needle 52 is made of medical stainless steel, the outer diameter is 1.2-1.6 mm, the length is 9-16 cm, the puncture needle 52 is arranged in the catheter 2, the needle point protrudes out of the drainage tube, and the needle point is conical and sharp and is used for penetrating the skin to puncture the parietal pleura. The catheter 2 is a thin-wall medical plastic hose with the length of 8-15 cm and the diameter of 0.08-0.12 mm, the inner wall of the catheter is tightly attached to the puncture needle 52, and the far end of the catheter is in a tapered conical shape so as to be convenient to enter the thoracic cavity along with the puncture needle 52. The catheter 2 close to the needle point of the puncture needle 52 is made of elastic temperature control memory bending material, and after the puncture needle 52 is drawn out, the temperature in a receptor can automatically roll inwards to form a closed circular ring shape so as to protect the intrathoracic tissues from being damaged by the catheter 2. Through holes 21 communicated with the inner cavity of the catheter 2 are arranged on the catheter for collecting gas or liquid in the thoracic cavity in multiple directions. The catheter 2 is also provided with a butterfly application 6 which is applied to the skin surface after the puncture is successful and is fixed and prevents the catheter 2 from falling off.

The one-way valve assembly 3 comprises a valve body 31 which is communicated with the guide pipe 2 and is arranged in a concave manner, a valve clack 33 arranged in a concave portion 32 of the valve body 31, and a rubber sleeve 34 which covers the top of the valve body 31; the valve flap 33 is inserted into a communication part 36 between the valve body 31 and the guide pipe 2, the top of the valve flap 33 is in contact with the inner surface of the rubber sleeve 34, the valve body 31 is circumferentially provided with vent holes 35, the rubber sleeve 34 is jacked up by the valve flap 33 during exhaust, and the vent holes 35 are exposed. The valve flap 33 includes a cylindrical portion 331 and a flat plate portion 332 disposed on the cylindrical portion 331, and the top end of the cylindrical portion 331 is in contact with the rubber sleeve 34 and the bottom end thereof is inserted into a communication portion 36 between the valve body 31 and the conduit 2.

In the scheme, the air in the thoracic cavity enters the conduit 2 from the through hole 21, the valve flap 33 is jacked up by the increase of the pressure in the conduit 2, the flat plate part 332 of the valve flap 33 is separated from the communication part 36, the rubber sleeve 34 is jacked up by the cylindrical part 331 so that the air holes 35 are leaked, and the air is discharged from the air holes 35. When the pressure of the thoracic cavity gradually returns to normal, the valve flap 33 falls down the rubber sleeve 34 to close the air hole 35. The check valve component 3 is automatically opened or closed by utilizing the change of air pressure, ensures that air is discharged from the chest to the outside in a one-way mode, and simultaneously avoids the external air from entering the chest to avoid the infection of the chest.

The flux switch 4 has two functions of air exhaust and liquid discharge, and the guide pipe 2 penetrates through the flux switch 4. The flux switch 4 comprises fixed parts 41 at two sides and a knob part 42 at the middle, wherein the knob part 42 is provided with a pressure pipe assembly 43, and the pressure pipe assembly 43 is contacted with the side surface of the catheter 2. When the knob portion 42 is rotated, the pressure tube assembly 43 moves in a direction to close or open the flux switch 4. The pressure pipe assembly 43 is used to squeeze the catheter 2 to make the inner channel of the catheter 2 in a closed state, so as to achieve the purpose of closing the flow channel of the catheter 2, otherwise, the channel is opened.

The knob portion 42 comprises an upper limiting portion 422 and a lower limiting portion 423 which are connected through a connecting plate 421, the upper limiting portion 422 and the lower limiting portion 423 are both provided with a cylindrical cavity 424, the cylindrical cavity 424 is arranged to deviate from the longitudinal axis of the catheter 2, and the pressure pipe assembly 43 is arranged between the upper limiting portion 422 and the lower limiting portion 423. The pressure pipe assembly 43 comprises an arc limiting plate 431, a pressure column 432 and a spring 433, wherein two sides of the arc limiting plate 431 extend into the cylindrical cavity 424 of the upper limiting part 422 and the lower limiting part 423 respectively, the pressure column 432 is perpendicular to the arc limiting plate 431, the spring 433 is sleeved on the pressure column 432, the end part of the pressure column 432 is in contact with the catheter 2, and the arc limiting plate 431 is in abutting contact with the cylindrical cavity 424.

The thicknesses of the inner walls of the upper limiting part 422 and the lower limiting part 423 are gradually increased, namely the vertical distances from the inner walls of the upper limiting part 422 and the lower limiting part 423 to the longitudinal axis of the guide pipe 2 are gradually reduced, when the knob part 42 is rotated, the arc-shaped limiting plate 431 is gradually close to the guide pipe 2 because of the separation of the inner walls of the upper limiting part 422 and the lower limiting part 423, and the pressing columns 432 on the arc-shaped limiting plate gradually press the guide pipe 2 to close the channel of the guide pipe 2; reverse twisting of knob portion 42 opens the passageway of catheter 2 in the closed position of catheter 2. The two sides of the knob portion 42 are provided with the sealing rings 44, the knob portion 42 is connected with the fixing portions 41 at the two sides through the sealing rings 44, the tight connection between the knob portion 42 and the fixing portions is realized through the sealing rings 44, and meanwhile, the knob portion 42 can be ensured to rotate smoothly.

When the puncture is successful and the puncture needle 52 is withdrawn, the flux switch 4 is opened, and when the patient exhales, the positive chest pressure causes gas to be expelled from the body through the one-way valve via the flux switch 4. When inhaling, the chest negative pressure one-way valve is closed to prevent gas reflux. If liquid flows out of the thoracic cavity, the flux switch 4 is opened after the tail end of the catheter 2 is connected with the drainage bottle 1, and liquid drainage is carried out. The catheter 2 is far away from the sharp end of the puncture needle 52 and is provided with a threaded interface, the bottleneck of the drainage bottle 1 is provided with internal threads, the drainage bottle 1 is connected with the threaded interface, and the drainage bottle 1 is fixed on skin through the viscose 11 on the back of the drainage bottle. An indicating window 7 is arranged on the conduit 2, and when no air flow is indicated to the indicating window 7, the flux switch 4 can be turned off to observe whether the pneumothorax is completely disappeared to determine the tube drawing.

Finally, the drainage device of the present invention can be used in any environment inside or outside a hospital, including outdoor emergency pneumothorax and battlefield first aid. The closed thoracic drainage device completely restores the traditional operation treatment mode, is simpler and more convenient, has smaller wound, and ensures that the puncture position, the puncture depth and the like of a doctor or a user during minimally invasive operation on pneumothorax meet the treatment requirements; and drainage and exhaust are rapidly carried out on the pneumothorax, so that the safety and the treatment effect of the operation are guaranteed, the death rate and the body injury of a patient are greatly reduced, the working efficiency is greatly improved, the operation time is shortened, and the pain of the patient is reduced. The closed drainage device for the pneumothorax and the thoracic cavity is simple to operate and convenient to maintain, and can be used by a patient under various complex environments.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides a modular thorax closed drainage ware which characterized in that: comprises a drainage bottle, a drainage tube component and a puncture component which passes through the drainage tube component and is detachably arranged;

2. The combined closed thoracic drainage device of claim 1, wherein: the catheter is a hose, the catheter close to one side of the needle point of the puncture needle is made of elastic temperature control memory bending material, and a through hole communicated with the inner cavity of the catheter is formed in the catheter.

3. The combined closed thoracic drainage device of claim 1, wherein: the catheter is far away from the sharp end of the puncture needle and is provided with a threaded interface, an internal thread is arranged at the bottleneck of the drainage bottle, and the drainage bottle is connected with the threaded interface.

4. The combined closed thoracic drainage device of claim 1, wherein: the check valve assembly comprises a valve body which is communicated with the guide pipe and is arranged in a concave manner, a valve clack arranged in the concave portion of the valve body, and a rubber sleeve which covers the top of the valve body; the valve clack inserts the valve body with the intercommunication department of pipe, just the valve clack top with rubber sleeve internal surface contact, circumference is provided with the bleeder vent on the valve body, and during the exhaust the valve clack will the rubber sleeve jack-up, the bleeder vent exposes.

5. The combined closed thoracic drainage device of claim 4, wherein: the valve clack comprises a cylindrical part and a flat plate part arranged on the cylindrical part, the top end of the cylindrical part is contacted with the rubber sleeve, and the bottom of the cylindrical part is inserted into a communication position of the valve body and the guide pipe.

6. The combined closed thoracic drainage device of claim 1, wherein: the pipe passes the flux switch setting, the flux switch includes the fixed part of both sides and the knob portion in middle of, be provided with on the knob portion and press the pipe subassembly, press the pipe subassembly with pipe side contact rotates knob portion, press the pipe subassembly along closing or opening the flux switch direction motion.

7. The combined closed thoracic drainage device of claim 6, wherein: the knob portion comprises an upper side limiting portion and a lower side limiting portion which are connected through a connecting plate, the upper side limiting portion and the lower side limiting portion are provided with cylindrical cavities, the cylindrical cavities deviate from a longitudinal axis of the guide pipe, and the pipe pressing assembly is arranged between the upper side limiting portion and the lower side limiting portion.

8. The combined closed thoracic drainage device of claim 7, wherein: press the pipe subassembly to include that both sides stretch into respectively the arc limiting plate, the perpendicular to of the cylindricality cavity of the spacing portion of upside with the spacing portion of downside the compression leg and the cover that the arc limiting plate set up are established spring on the compression leg, the compression leg tip with the pipe contact, the arc limiting plate with the cylindricality cavity supports the pressure contact.

9. The combined closed thoracic drainage device of claim 7, wherein: and sealing rings are arranged on two sides of the knob part, and the knob part is connected with the fixing parts on two sides through the sealing rings.