CN210521453U

CN210521453U - Negative pressure drainage device for breast surgery

Info

Publication number: CN210521453U
Application number: CN201920550851.1U
Authority: CN
Inventors: 郝帅; 李治荣
Original assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Current assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-05-15
Anticipated expiration: 2029-04-22

Abstract

The utility model relates to the technical field of medical equipment, especially, relate to a negative pressure drainage device for mammary gland surgery, including the drainage bottle, the drainage bottle includes bottle and closing cap, be provided with rubber plug-in pipe on the closing cap, pressure adjustment is taken over and the vacuum gauge, the spiro union has pressure adjustment mechanism on the pressure adjustment is taken over, pressure adjustment mechanism includes the connecting cylinder, it has the pull rod to peg graft in the connecting cylinder, the piston is installed to the one end that the pull rod is located the connecting cylinder, the handle is installed to the other end, the through-hole has been seted up at the center of piston, the through-hole is passed to the one end of pull rod, and integrated into one piece has the limiting plate, in two stoppers of position integrated into one piece that are close to the piston up end on the pull rod, the one end integrated into one piece that the pull. The utility model discloses can conveniently wash after using the completion, disinfect, germicidal treatment, consequently can used repeatedly, practiced thrift patient's the cost of being in hospital to a certain extent, and practiced thrift the resource.

Description

Negative pressure drainage device for breast surgery

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a negative pressure drainage device for mammary gland surgery.

Background

As a common disease of women, nowadays, the medical condition is more and more developed, the cause of the disease can be removed through surgical treatment, the recurrence is reduced, and the survival rate of patients is improved. After the breast tissue is removed through an operation, the blood supply of the surrounding tissue of the breast is changed and can be supplied only by a subcutaneous superficial vascular network of a surrounding skin flap, and blood stasis and effusion easily occur, so that a negative pressure drainage method is often needed for auxiliary treatment.

The negative pressure drainage therapy can accelerate the blood circulation of a wound surface part, remarkably promote new blood vessels to enter the wound surface, stimulate the growth of granulation tissues, fully drain, relieve edema, reduce pollution, inhibit bacterial growth, and directly accelerate wound healing or create conditions for surgical repair, is a high-efficiency, simple and economic pure physical therapy for promoting wound healing, and is a negative pressure drainage device mostly used while carrying out auxiliary treatment of the negative pressure drainage method, the existing negative pressure drainage device comprises a negative pressure drainage ball, a negative pressure drainage bag and a negative pressure drainage bottle, and after a mammary gland surgery, the negative pressure drainage bottle is a more common negative pressure drainage device, but the traditional negative pressure drainage bottle is inconvenient to clean, sterilize and can only be used for one time and can not be repeatedly used for many times due to the structural design defects, so the hospitalization cost of a patient is increased to a certain degree, and resources are wasted.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a negative pressure drainage device for mammary gland surgery can conveniently wash, disinfect, germicidal treatment after using the completion, consequently can used repeatedly, has practiced thrift patient's the cost of being in hospital to a certain extent, and has practiced thrift the resource.

The utility model discloses an above-mentioned technical problem is solved to following technical means:

a negative pressure drainage device for mammary gland surgery comprises a drainage bottle, wherein the drainage bottle comprises a bottle body and a sealing cover which are in threaded connection, a rubber inserting pipe, a pressure adjusting connecting pipe and a vacuum meter are arranged on the sealing cover, a liquid outlet pipe is arranged at a position close to the bottom of the bottle body, a pressure adjusting mechanism is screwed on the pressure adjusting connecting pipe and comprises a connecting cylinder, a pull rod is inserted in the connecting cylinder, a piston is arranged at one end of the pull rod, which is positioned in the connecting cylinder, a handle is arranged at the other end of the pull rod, the outer diameter of the piston is matched with the inner diameter of the connecting cylinder, a sealing gasket is arranged between the piston and the connecting cylinder, a through hole is formed in the center of the piston, the inner diameter of the through hole is larger than that of the pull rod, one end of the pull rod penetrates through the through hole and is integrally formed with a limiting plate, and two limiting blocks are integrally, two the stopper sets up the both sides of symmetry on the pull rod, distance between limiting plate and the stopper is greater than the thickness of piston, the one end integrated into one piece that the pull rod was kept away from to the connecting cylinder has connecting portion, connecting portion and pressure regulation take over looks spiro union, the check valve is installed in the position that is close to the connecting cylinder on the connecting portion.

Adopt above-mentioned technical scheme's utility model, rubber through setting up is pegged graft union coupling drainage tube, and pressure adjustment mechanism carries out pressure adjustment, can reach the purpose of negative pressure drainage, simultaneously, because set up traditional drainage bottle into bottle and closing cap threaded connection's design, after using the completion, earlier through the drain pipe with the liquid discharge in the bottle, then unpack bottle and closing cap spiral apart again, can conveniently wash, disinfect, germicidal treatment, then carry out aseptic save to in next use, consequently the utility model discloses can used repeatedly, practiced thrift patient's cost in hospital to a certain extent, and practiced thrift the resource.

In addition, the pressure adjusting mechanism of the utility model, when pressure adjustment is needed, only need to pull the pull rod upwards by hand, at this moment, the limit plate is clung to the lower end surface of the piston, the pull rod drives the piston to move upwards, the air in the drainage bottle is sucked into the connecting cylinder through the one-way valve under the action of pressure difference, after the piston is pulled to be unable to be pulled, the application of force is stopped, the piston is converted to push the pull rod downwards, at this moment, the limit plate leaves the lower end surface of the piston, the limit block is clung to the upper end surface of the piston, under the action of the limit block, the pull rod drives the piston to move downwards, because the inner diameter of the through hole in the middle of the piston is larger than the outer diameter of the pull rod, a gap exists between the piston and the pull rod, when the pull rod pushes downwards, under the action of the one-way valve, the air in the connecting cylinder can only flow out, the operator only needs to repeatedly pull the pull rod and push the pull rod, and the operator only needs to stop the action when the required negative pressure is reached; the operation process only needs one person for operation, and is simple and convenient.

Further, a switch valve is arranged on the pressure adjusting connecting pipe. Through the ooff valve that sets up on pressure regulation takeover, after when adjusting and accomplishing or need not regulated pressure, can cut off the air exchange between drainage bottle and the external environment through the ooff valve, on the one hand, can guarantee the sterile environment in the drainage bottle to a certain extent, prevent infection against the current, on the other hand, it just can take off pressure adjustment mechanism from pressure regulation takeover when not needing pressure adjustment mechanism to have had the ooff valve, alleviate the weight of drainage bottle, reduce the influence to the daily activity of patient to a certain extent.

Furthermore, a sealing strip is arranged at the joint of the bottle body and the sealing cover, and a polytetrafluoroethylene sealing layer is bonded on the inner surface of the sealing strip. The sealing performance between the sealing cover and the bottle body can be ensured to a certain extent through the arrangement of the sealing strip.

Further, install liquid level indication mechanism in the bottle body, liquid level indication mechanism includes integrated into one piece's connecting band and instruction kickboard, it is wedge structure to instruct the kickboard.

Further, be provided with the liquid level scale strip on the bottle, the position that is close to the liquid level scale strip on the bottle is inside sunken to form and holds the chamber, it is provided with the record area to hold the intracavity fixation.

In the process of negative pressure drainage, the indication floating plate can float above the liquid level, and the quantity of drainage liquid can be measured and recorded more objectively, clearly and clearly through the cooperation of the indication plate, the liquid level scale strip and the recording tape.

The utility model has the advantages that:

1. the utility model discloses a negative pressure drainage device for mammary gland surgery, the rubber through setting up is pegged graft union coupling drainage tube, pressure adjustment mechanism carries out pressure adjustment, can reach the purpose of negative pressure drainage, and simultaneously, because set up traditional drainage bottle into bottle and closing cap threaded connection's design, after using the completion, earlier through the drain pipe with the liquid discharge of bottle, then unpack bottle and closing cap spiral apart again, can conveniently wash, disinfect, sterilization, then aseptic save, so that use next time, consequently can used repeatedly, patient's cost in hospital has been practiced thrift to a certain extent, and the resource has been practiced thrift.

2. The utility model discloses the pressure adjustment mechanism who sets up for traditional drainage bottle, can alone the operation carry out the regulation of pressure, it is more convenient to use.

3. The utility model discloses a negative pressure drainage device for mammary gland surgery, at the in-process that uses, the drainage volume in the observation drainage bottle that can be more objective, clear records the drainage bottle.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the negative pressure drainage device for breast surgery of the present invention;

FIG. 2 is a right side view of an embodiment of the negative pressure drainage device for breast surgery of the present invention;

FIG. 3 is a schematic structural view of the relative positions of the limiting groove and the limiting block in the first embodiment;

FIG. 4 is a schematic structural diagram of a pressure adjustment mechanism according to an embodiment;

the bottle body 1, the limiting plate 11, the limiting groove 111, the liquid level scale strip 12, the accommodating cavity 13, the recording tape 14, the liquid outlet pipe 15, the sealing cover 2, the rubber inserting pipe 21, the pressure adjusting connecting pipe 22, the switch valve 221, the sealing tape 3, the connecting tape 41, the indicating floating plate 42, the limiting block 421, the pressure adjusting mechanism 5, the connecting cylinder 51, the connecting part 511, the one-way valve 512, the pull rod 52, the limiting plate 521, the limiting block 522, the piston 53, the handle 54 and the vacuum gauge 6.

Detailed Description

The invention will be described in detail with reference to the following drawings and specific embodiments:

as shown in fig. 1 to 4, the negative pressure drainage device for breast surgery of the present invention comprises a drainage bottle, the drainage bottle comprises a bottle body 1 and a sealing cover 2 which are connected by screw threads, after the use, the bottle body 1 and the sealing cover 2 can be conveniently detached, the cleaning, disinfecting and sterilizing treatment can be conveniently performed, and then the sterile storage can be performed, so that the negative pressure drainage device can be used repeatedly, the hospitalization cost of the patient can be saved to a certain extent, and the resources can be saved; the joint of the bottle body 1 and the sealing cover 2 is sleeved with a sealing strip 3, the inner surface of the sealing strip 3 is bonded with a polytetrafluoroethylene sealing layer, the sealing property between the sealing cover 2 and the bottle body 1 can be ensured to a certain degree, a liquid level indicating mechanism is arranged in the bottle body 1 and comprises a connecting strip 41 and an indicating floating plate 42 which are integrally formed, one end of the connecting strip 41 is bonded on the inner bottom surface of the bottle body 1, two parallel limiting plates 11 are fixedly arranged on the side wall of the bottle body 1 through bonding or other conventional modes, limiting grooves 111 are respectively arranged on the two limiting plates 11, limiting blocks 421 are uniformly formed on two opposite sides of the free end of the indicating floating plate 42, the two limiting blocks 421 are clamped in the corresponding limiting grooves 111, so that the indicating floating plate 42 is limited to a certain degree to swing sideward, a liquid level scale strip 12 is arranged on the bottle body 1, and the liquid level scale strip 12 is positioned, the outer side wall of the bottle body 1 is inwards sunken at a position close to the liquid level scale bar 12 to form a containing cavity 13, and a recording tape 14 is bonded in the containing cavity 13. In the process of negative pressure drainage, the indication floating plate 42 floats on the liquid level, the patient can read the liquid level rapidly through the indication plate, the marking record is carried out on the recording belt 14, and the quantity of drainage liquid can be measured and recorded more objectively, clearly and clearly through the cooperation of the indication plate, the liquid level scale strip 12 and the recording belt 14.

The rubber inserting tube 21, the pressure adjusting connecting tube 22 and the vacuum meter 6 are arranged on the sealing cover 2, wherein the vacuum meter can be a Y-25 type vacuum meter of Suzhou Beiyt instrument and meter Limited liability company, the nominal diameter of the vacuum meter is only 25mm, the vacuum meter is small in size and light in weight, and cannot generate overlarge influence on the daily use of a patient, the liquid outlet tube 15 is arranged at a position close to the bottom of the bottle body 1, the pressure adjusting connecting tube 22 is provided with a switch valve 221, the end part of the pressure adjusting connecting tube 22 is screwed with the pressure adjusting mechanism 5, through the switch valve 221 arranged on the pressure adjusting connecting tube 22, when the pressure is not required to be adjusted and the like after adjustment is finished, the air exchange between the drainage bottle and the external environment can be cut off through the switch valve 221, on one hand, the sterile environment in the drainage bottle can be ensured to a certain extent, and the counter-flow infection is prevented, on the other hand, the pressure adjusting mechanism 5 The tube 22 is taken down, so that the weight of the drainage bottle is reduced, and the influence on the daily activities of the patient is reduced to a certain extent; in the using process, the rubber inserting tube 21 is connected with the drainage tube, and the pressure adjusting mechanism 5 adjusts the pressure, so that the purpose of negative pressure drainage can be achieved.

The pressure adjusting mechanism 5 comprises a connecting cylinder 51, a pull rod 52 is inserted in the connecting cylinder 51, a piston 53 is installed at one end of the pull rod 52, which is positioned in the connecting cylinder 51, a handle 54 is welded at the other end of the pull rod 52, the outer diameter of the piston 53 is matched with the inner diameter of the connecting cylinder 51, a sealing gasket is arranged between the piston 53 and the connecting cylinder 51, so that the sealing performance of the contact position of the piston 53 and the connecting cylinder 51 is ensured to a certain degree, a through hole is formed in the center of the piston 53, the inner diameter of the through hole is larger than the outer diameter of the pull rod 52, one end of the pull rod 52 penetrates through the through hole and is integrally formed with a limiting plate 521, two limiting blocks 522 are integrally formed at the position close to the upper end face of the piston 53 on the pull rod 52, the two limiting blocks 522 are arranged at two symmetrical sides on the pull rod 52, the distance, the connection portion 511 is screwed to the pressure adjustment connection pipe 22, and a check valve 512 is mounted on the connection portion 511 at a position close to the connection cylinder 51. When pressure adjustment is needed, only the pull rod 52 needs to be pulled upwards by hand, at this time, the limit plate 521 clings to the lower end surface of the piston 53, the pull rod 52 drives the piston 53 to move upwards, air in the drainage bottle is sucked into the connecting cylinder 51 through the one-way valve 512 under the action of pressure difference, after the piston 53 is pulled to be undrawable, the application of force is stopped, the pull rod 52 is switched to push downwards, at this time, the limit plate 521 leaves the lower end surface of the piston 53, the limit block 522 clings to the upper end surface of the piston 53, under the action of the limit block 522, the pull rod 52 drives the piston 53 to move downwards, because the inner diameter of the through hole in the middle of the piston 53 is larger than the outer diameter of the pull rod 52, a gap exists between the piston 53 and the pull rod 52, when the pull rod 52 pushes downwards, air in the connecting cylinder 51 can only flow out to the upper part of the piston 53 through the gap between the pull rod 52 and the connecting cylinder, the operator only needs to repeat the steps of pulling the pull rod 52 and pushing the pull rod 52, and the action is stopped when the required negative pressure is reached; the operation process only needs one person for operation, and is simple and convenient.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The utility model provides a negative pressure drainage device for breast surgery, includes the drainage bottle, its characterized in that: the drainage bottle comprises a bottle body and a sealing cover which are connected through screw threads, a rubber inserting pipe, a pressure adjusting connecting pipe and a vacuum meter are arranged on the sealing cover, a liquid outlet pipe is arranged at a position close to the bottom of the bottle body, a pressure adjusting mechanism is connected onto the pressure adjusting connecting pipe in a threaded manner, the pressure adjusting mechanism comprises a connecting cylinder, a pull rod is inserted into the connecting cylinder, a piston is arranged at one end of the pull rod, which is positioned in the connecting cylinder, a handle is arranged at the other end of the pull rod, the outer diameter of the piston is matched with the inner diameter of the connecting cylinder, a sealing gasket is arranged between the piston and the connecting cylinder, a through hole is formed in the center of the piston, the inner diameter of the through hole is larger than the outer diameter of the pull rod, one end of the pull rod penetrates through the through hole and is integrally formed with a limiting plate, two limiting blocks are integrally formed, the distance between limiting plate and the stopper is greater than the thickness of piston, the one end integrated into one piece that the pull rod was kept away from to the connecting cylinder has connecting portion, connecting portion and pressure regulation take over looks spiro union, the check valve is installed in the position that is close to the connecting cylinder on the connecting portion.

2. The negative pressure drainage device for breast surgery according to claim 1, characterized in that: and the pressure adjusting connecting pipe is provided with a switch valve.

3. The negative pressure drainage device for breast surgery according to claim 2, characterized in that: the sealing device is characterized in that a sealing strip is arranged at the joint of the bottle body and the sealing cover, and a polytetrafluoroethylene sealing layer is bonded on the inner surface of the sealing strip.

4. The negative pressure drainage device for breast surgery according to claim 3, characterized in that: the liquid level indicating mechanism is arranged in the bottle body and comprises a connecting belt and an indicating floating plate which are integrally formed.

5. The negative pressure drainage device for breast surgery according to claim 4, characterized in that: the bottle body is provided with a liquid level scale strip, the position on the bottle body close to the liquid level scale strip is inwards sunken to form a containing cavity, and a recording tape is fixedly arranged in the containing cavity.