CN215536992U

CN215536992U - Pentagonal spiral negative pressure drainage device

Info

Publication number: CN215536992U
Application number: CN202121383193.5U
Authority: CN
Inventors: 蔡潮农; 李坚
Original assignee: Fifth Affiliated Hospital of Sun Yat Sen University
Current assignee: Fifth Affiliated Hospital of Sun Yat Sen University
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-18
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a pentagonal spiral negative pressure drainage device, which belongs to the technical field of medical instruments and comprises a guide puncture cone, a silica gel drainage hose, a pentagonal spiral drainage tube, a drainage bag and a sampling negative pressure ball, wherein the front end of the guide puncture cone is provided with a bending part and a conical puncture end, a tube body close to one end of the silica gel drainage hose of the pentagonal spiral drainage tube is provided with scales, and a hole type double-side wing or a reinforced thread structure is arranged in a fixing area of the silica gel drainage hose. The pentagonal spiral negative pressure drainage device has the advantages of better drainage effect, easiness in fixation, no slippage, capability of preventing iatrogenic injury by guiding the puncture blunt cone, better contrast and quantification operation and further convenience in liquid drawing detection.

Description

Pentagonal spiral negative pressure drainage device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a disposable negative pressure drainage device.

Background

Most operations, operation district surface of a wound all have exudates, blood and necrotic tissue etc. and operation district waste liquid is gathered and is often certain harm that causes to the organism, and the external drainage pipeline all can be kept somewhere in the operation district to surgeon's, when unobstructed drainage operation district waste liquid, the medical personnel of being convenient for observe the volume and the property of drainage thing, judge whether have hemorrhage, alimentary canal leak etc. to promoting the good healing of operation district surface of a wound, alleviate aspect importance such as disease. The guide puncture cone of the cross-shaped spiral drainage pipeline which is commonly used clinically at present generally adopts a sharp triangular edge stainless steel cutting edge, and is too sharp to hurt patients or medical care personnel, thereby causing iatrogenic injury; the silica gel drainage hose has no scale mark, so that the contrast quantification operation is inconvenient; a pipeline fixing structure is not designed, and the pipe is frequently detached in clinical use; the cross-shaped drainage effect is not ideal, and the effective drainage area is not ideal; meanwhile, the negative pressure ball is not provided with a liquid drawing port special for drawing the liquid specimen in the ball, the detection and sampling operation is complicated, and the sterile operation principle is not met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the prior art, and provides a pentagonal spiral negative pressure drainage device which has a better drainage effect, guides a puncture cone without hurting people, has better contrast quantification operation, has a firmer pipeline fixing design and can further facilitate liquid extraction detection.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a pentagonal spiral negative pressure drainage device, which comprises a guide puncture cone, a silica gel drainage hose, a spiral drainage tube, a drainage bag and a sampling negative pressure ball, the silica gel drainage hose is tightly sleeved at the non-puncture end of the guide puncture cone, the silica gel drainage hose and the spiral drainage tube are integrally formed, the spiral drainage tube is reserved in an operation area by an operator after being cut, the silica gel drainage hose is connected with the sampling negative pressure ball, the bottom outflow port of the sampling negative pressure ball is connected with the drainage bag screw port, a bent part and a slender pointed cone are arranged at the front end 1/3 of the guide puncture cone, the cone tip of the slender pointed cone is polished into a small round blunt head, the spiral drainage tube is a pentagonal spiral drainage tube, a tube body close to one end of the silica gel drainage hose of the pentagonal spiral drainage tube is provided with scales, wherein one section of the scales is positioned on the silica gel drainage hose which is provided with a reinforcing and fixing structure.

Further, in order to make things convenient for the puncture, effectively prevent iatrogenic injury, the length of guide puncture awl is 15 ~ 20cm, the angle of bending of the portion of bending is 135 ~ 150, back 2/3 section is the cylinder in the guide puncture awl, the pipe diameter size with silica gel drainage hose external diameter is the same, and the rear end round is blunt, closely embeds in the silica gel drainage hose, the guide puncture awl is formed by stainless steel or PVC preparation.

Further, in order to facilitate fixation, the reinforcing and fixing structure is a hole type double-side wing or a reinforcing thread structure, the width of the hole type double-side wing is 2-4 mm, the length of the hole type double-side wing is 5-10 cm, round holes are uniformly formed in the two sides of the hole type double-side wing, the hole diameter of each round hole is 1-1.5 mm, the hole distance is 5-10 mm, the silica gel drainage hose passes through the guide puncture cone, the guide puncture cone penetrates through the abdominal wall from inside to outside, the silica gel drainage hose is led out of the abdomen, the appropriate position of the silica gel drainage hose is sewn, a suture is reserved and penetrates through the hole type double-side wing or the reinforcing thread structure, and the guide puncture cone is cut and removed after ligation and fixation.

Furthermore, for convenience of liquid extraction detection, the negative pressure ball is a sampling inspection negative pressure ball, a connection nut is arranged at an outflow hole at the bottom end of the sampling inspection negative pressure ball, the connection nut is in threaded conduction connection with a connection screw of the drainage bag, the top end of the sampling inspection negative pressure ball is provided with three interfaces of pipelines protruding outwards, each interface comprises a one-way valve port, an exhaust port and a liquid extraction port, and the silica gel drainage hose with the guide puncture cone removed is connected with the one-way valve port.

Furthermore, the practical operation of doctors and patients is more convenient, and a liquid stopping clamp is arranged between the sampling negative pressure ball and the connecting nut.

Furthermore, in order to meet the sanitary and cost standards, a one-way silica gel valve which can only flow from the outside to the inside of the ball is arranged in a protruding pipeline of the one-way valve port, a matched closed rubber plug is arranged at the exhaust port, a connecting external thread is arranged at the liquid pumping port, the connecting external thread is fixed with a disposable heparin cap through threads, and an isolation acupuncture silica gel is arranged at the outer end of the disposable heparin cap.

Further, in order to facilitate the quantitative operation of pipeline fixation, the length of the scales is 20-30 cm.

Further, in order to easily deal with various surgical drainage, increase effective drainage area and improve drainage effect, the spiral drainage tube is provided with a pentagonal hollow spiral.

The brand-new pentagonal spiral negative pressure drainage device has the advantages of better drainage effect, no harm to people due to the blunt guide puncture cone, better contrast and quantification operation due to the scale of the tube wall and the strengthened fixing arrangement, convenience for sterile liquid drawing detection, convenience for operation, safety and reliability, convenience for quantitative contrast and detection and the like.

Compared with the prior art, the utility model provides a pentagonal spiral negative pressure drainage device which has the following beneficial effects:

1. this pentagonal spiral negative pressure drainage device, than traditional "ten" word spiral drainage tube, increased one side to increased effective drainage area, had better drainage effect.

2. This pentagonal spiral negative pressure drainage device, silica gel drainage hose department are equipped with the sign scale, more are favorable to the doctor to explain the pipeline position, and the quantization operation of more convenient contrast is the design that other similar products do not exist in the existing market.

3. According to the pentagonal spiral negative pressure drainage device, the contact part of the silica gel drainage hose and the abdominal wall is provided with the hole type double-side wing or the reinforced thread structure, so that the drainage tube is more favorably tied and bound with the abdominal wall skin suture, the drainage tube is better fixed, the pipeline is prevented from falling off, the drainage tube is superior to the drainage tube without the design at present, and the drainage tube is the design which is not available in other similar products in the market at present.

4. The pentagonal spiral negative pressure drainage device is characterized in that a guide puncture cone is made of stainless steel or PVC, a puncture end is designed into a slender pointed cone, the cone tip is polished into a small round blunt end, the pointed end is thin and blunt, no sharp edge is designed, and compared with other products in the current market, the pentagonal spiral negative pressure drainage device is provided with sharp guide puncture needles with sharp edges; the design is not easy to accidentally injure an operator, does not scratch abdominal wall tissues of a patient by side cutting, has better effects of protecting the operator and the patient, avoids causing iatrogenic injury, has better operability and safety, and is a design which is not available in other similar products.

5. This pentagonal spiral negative pressure drainage device, negative pressure ball one end are equipped with the drawing liquid mouth, seal this hole with disposable heparin cap, disinfect the heparin cap according to conventional operation, and the aseptic syringe of accessible pierces drainage liquid in the ball and does bacterial culture and other inspection detection behind the heparin cap according to clinical needs, and whole journey is airtight, aseptic operation, can relapse repetitious operation, and is very practical, very humanized, is the design that other similar products do not have.

Drawings

FIG. 1 is a schematic structural view of a pentagonal spiral negative pressure drainage device of the utility model;

FIG. 2 is a schematic cross-sectional configuration of a pentagonal helical draft tube of the present invention;

FIG. 3 is an enlarged schematic view of the tapered configuration of the guided puncture cone of the present invention;

FIG. 4 is a schematic structural view of the hole-type double flank of the present invention;

FIG. 5 is a sectional view of the liquid drawing port of the negative pressure ball for suction inspection according to the present invention;

fig. 6 is a schematic view of the abdominal wall punctured by the guide puncture cone of the present invention.

In the figure: 1-guide puncture cone; 2- -silica gel drainage hose; 3-pentagonal spiral drainage tube; 4- -bending part; 5- -graduation; 6-hole type double side wings; 7-an elongated pointed cone; 8- -tiny round blunt tip; 9- -spiral marking; 10- -spot check negative pressure ball; 11- -connecting nut; 12- -one way valve; 13- -exhaust port; 14- -a fluid withdrawal port; 15- -disposable heparin cap; 16- -connecting screw; 17-connecting a silicone tube; 18- -drainage bag; 19- -scalpel; 20-abdominal wall; phi- -bending angle.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Example 1:

referring to fig. 1-6, a pentagonal spiral negative pressure drainage device comprises a guide puncture cone 1, a silica gel drainage hose 2, a spiral drainage tube, a drainage bag 18 and a sampling negative pressure ball 10, wherein the silica gel drainage hose 2 is tightly sleeved at the non-puncture end of the guide puncture cone 1, the silica gel drainage hose 2 and the spiral drainage tube are integrally formed, the spiral drainage tube is reserved in an operation area by an operator after being cut, the silica gel drainage hose 2 is led out of the abdomen after penetrating through the abdominal wall 20 from inside to outside through the guide puncture cone 1 and is sewn at a proper position, a reserved suture passes through a hole-shaped flank 6 or a reinforced thread structure, after being tied and fixed, the guide puncture cone 1 is cut and removed, the spiral drainage tube is connected with a one-way valve port 12 of the sampling negative pressure ball 10, an outflow port at the bottom of the sampling negative pressure ball 10 is connected with a screw port of the drainage bag 18, a bent part 4, a slender pointed cone 7 and a tiny round blunt head 8 are arranged at the front end of the guide puncture cone 1, the spiral drainage tube is a pentagonal spiral drainage tube 3, a scale 5 is arranged on the tube body at one end of the silica gel drainage hose 2 close to the pentagonal spiral drainage tube 3, and the silica gel drainage hose 2 at which one section of the scale 5 is arranged is provided with a hole-shaped side wing 6 or a reinforced thread structure which can be used for a suture to pass through, be wound, be tied and be fixed on the skin.

More specifically, the length of guide puncture awl 1 is 15 ~ 20cm, front end 1/3 department is the portion of bending 4, the angle of bending phi of the portion of bending 4 is 135 ~ 150, preceding 1/3 designs into long and thin pointed cone 7, the awl point is polished into tiny round blunt head 8, back 2/3 section is the cylinder in the guide puncture awl 1, the pipe diameter size is the same with silica gel drainage hose 2 external diameter, the rear end round is blunt, closely embedded in silica gel drainage hose 2, guide puncture awl 1 is formed by the preparation of materials such as stainless steel or PVC.

As shown in fig. 6, the guide puncture cone 1 punctures the abdominal wall 20 from the inside of the abdominal wall to the outside, the abdominal wall of the patient is jacked up to the outside, the angle of the puncture direction is relieved by the bending part 4, the operation puncture operation is convenient, when the slender pointed cone 7 and the tiny round blunt head 8 puncture the epidermis layer, after a small opening at the position needs to be cut by the scalpel 19, the guide puncture cone 1 takes the silica gel drainage hose 2 to be pulled out of the abdomen through the puncture tunnel, the silica gel drainage hose 2 is accurately and quantitatively adjusted to a proper fixed position according to the scale 5 of the tube wall of the silica gel drainage hose 2, the skin around the tube is sutured, a suture is wound around a fixed hole or a reinforced thread structure of the side wing hole 6, the silica gel drainage hose 2 is tied and fixed, then the guide puncture cone 1 is cut and removed, the silica gel drainage hose 2 is tightly connected with the one-way valve port 12 at the top end of the negative pressure ball 10 for sampling inspection, the outflow hole at the bottom of the negative pressure ball 10 is in conduction connection with the drainage bag 18, the sampling ball 10 for sampling inspection is extruded, and (3) exhausting the air in the negative pressure ball 10 from the exhaust port 13 by pumping and detecting the air in the ball, sealing the exhaust port 13 and finishing the negative pressure drainage operation. The slender pointed cone 7 and the tiny round blunt head 8 are designed to be sharp, round and blunt without sharp edges, so that an operator cannot be accidentally injured, the abdominal wall tissues of a patient cannot be scratched laterally, the elongated pointed cone has better protection for the operator and the patient, and the elongated pointed cone and the tiny round blunt head cooperate with a bending part with a bending angle of 135-150 degrees to guide the silica gel drainage hose 2 to penetrate out after the abdominal wall is punctured easily and safely.

More specifically, the reinforcing and fixing structure is a hole type double-side wing 6 or a reinforcing thread structure, the width of the hole type double-side wing 6 is 2-4 mm, the length of the hole type double-side wing is 5-10 cm, round holes are uniformly arranged on two sides of the hole type double-side wing 6, the hole diameter is about 1-1.5 mm, and the hole distance is 5-10 mm.

More specifically, the negative pressure ball is a sampling negative pressure ball 10, one end of the sampling negative pressure ball 10 is provided with a connecting nut 11, the connecting nut 11 is in threaded conduction connection with the drainage bag, the other end of the sampling negative pressure ball 10 is provided with three interfaces of pipelines protruding outwards, and the interfaces comprise a one-way valve port 12, an exhaust port 13 and a liquid extraction port 14.

More specifically, a liquid stopping clip is arranged between the sampling negative pressure ball 10 and the connecting nut 11.

More specifically, the protruded pipeline of the one-way valve port 12 is provided with a one-way silica gel valve which can only flow from the outside to the inside of the ball, and the exhaust port 13 and the liquid pumping port 14 are provided with matched closed rubber plugs.

More specifically, the length of the scale 5 is at least 20-30 cm, and the corresponding mark scale at the starting position of the hole type double-side wing 6 is 2-3 cm.

More specifically, the helical drainage tube 3 is designed as a pentagonal hollowed-out helix.

More specifically, the non-puncturing end of the guide puncture cone 1 is closely fitted on one end of the silicone suction hose 2.

When the drainage device is used, the silica gel suction hose 2 is guided to penetrate out of the abdominal wall of a patient through the puncture and guide effects of the guide puncture cone 1, a reinforced fixing structure such as a hole-shaped double-side wing 6 is tied and bound with an abdominal wall skin suture, a drainage tube is firmly fixed, the silica gel suction hose 2 is cut off at a proper position, the guide puncture cone 1 is removed, a connector of the suction examination negative pressure ball 10 is inserted, and the drainage bag is connected with a screw port of the suction examination negative pressure ball 10. The slender pointed cone 7, the tiny round blunt head 8 and the bending part 4 of the guide puncture cone 1 can conveniently puncture the abdominal wall and can not cut and scratch the abdominal wall tissues of a patient laterally, iatrogenic injury is avoided, the operation performance and the safety are better, the hole type double-side wings 6 or the reinforced thread structures of the reinforced fixing structures can conveniently ligate and bind the drainage tube, the scales on the silica gel suction hose 2 are convenient for contrast quantification operation, and the liquid drawing port 14 with the disposable heparin cap 15 on the suction inspection negative pressure ball 10 is convenient for medical personnel to perform aseptic operation liquid drawing and detection.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a pentagonal spiral negative pressure drainage device, includes guide puncture awl (1), silica gel drainage hose (2), spiral drainage tube, drainage bag (18), selective examination negative pressure ball (10), the inseparable cover of silica gel drainage hose (2) is established guide puncture awl (1) non-puncture end, silica gel drainage hose (2) and spiral drainage tube integrated into one piece, spiral drainage tube cuts out the back and leaves the art district in by the operation doctor, silica gel drainage hose (2) are connected with selective examination negative pressure ball (10), and the bottom egress of selective examination negative pressure ball (10) is connected with drainage bag (18) screw socket, its characterized in that, the front end 1/3 department of guide puncture awl (1) establishes bending portion (4), long and thin pointed cone (7), tiny round blunt head (8) is polished to the awl point of long and thin pointed cone (7), spiral drainage tube is pentagonal spiral drainage tube (3), be close to pentagonal spiral drainage tube (3) the shaft of the one end of silica gel drainage hose (2) is equipped with scale (5), wherein one section place of scale (5) silica gel drainage hose (2) are established and are strengthened fixed knot and construct.

2. The pentagonal spiral negative pressure drainage device according to claim 1, wherein the length of the guide puncture cone (1) is 15-20 cm, the bending angle phi of the bending part (4) is 135-150 degrees, the rear 2/3 section in the guide puncture cone (1) is a cylinder, the diameter of the cylinder is the same as the outer diameter of the silica gel drainage hose (2), the rear end of the cylinder is round and blunt, the cylinder is tightly embedded in the silica gel drainage hose (2), and the guide puncture cone (1) is made of stainless steel or PVC.

3. The pentagonal spiral negative pressure drainage device according to claim 1, wherein the reinforcing and fixing structure is a hole-shaped double-side wing (6) or a reinforcing thread structure, the width of the hole-shaped double-side wing (6) is 2-4 mm, the length of the hole-shaped double-side wing is 5-10 cm, round holes are uniformly formed in two sides of the hole-shaped double-side wing (6), the hole diameter is 1-1.5 mm, the hole interval is 5-10 mm, the silica gel drainage hose (2) is led out of the abdomen after penetrating through the abdominal wall from inside to outside through the guide puncturing cone (1), the silica gel drainage hose is sewn at a proper position, a reserved suture passes through the hole-shaped double-side wing (6) or the reinforcing thread structure, and the guide puncturing cone (1) is cut and removed after ligation and fixation.

4. The pentagonal spiral negative pressure drainage device according to claim 1, wherein the negative pressure ball is a sampling negative pressure ball (10), a connection nut (11) is arranged at an outflow hole at the bottom end of the sampling negative pressure ball (10), the connection nut (11) is in threaded conduction connection with a connection screw (16) of the drainage bag (18), the top end of the sampling negative pressure ball (10) is provided with three ports of outwards protruding pipelines, the ports comprise a one-way valve port (12), an exhaust port (13) and a liquid extraction port (14), and the silica gel drainage hose (2) after the guide puncture cone (1) is cut off is connected with the one-way valve port (12).

5. The pentagonal spiral negative pressure drainage device according to claim 4, characterized in that a liquid stopping clip is further arranged between the sampling negative pressure ball (10) and the connecting nut (11).

6. The pentagonal spiral negative pressure drainage device according to claim 4, characterized in that a one-way silica gel valve which can only flow from the outside to the inside of the ball is arranged in a protruding pipeline of the one-way valve port (12), the exhaust port (13) is provided with a matched closed rubber plug, the liquid extraction port (14) is provided with an external connecting thread which is fixed with a disposable heparin cap (15) in a threaded manner, and the outer end of the disposable heparin cap (15) is provided with acupuncture-isolated silica gel.

7. The pentagonal spiral negative pressure drainage device according to claim 1, wherein the length of the scale (5) is 20-30 cm.

8. A pentagonal spiral negative pressure drainage device according to claim 1, characterized in that the pentagonal spiral drainage tube (3) is provided with a spiral sign (9) that turns spirally.