CN100586491C

CN100586491C - Disposable drainage device

Info

Publication number: CN100586491C
Application number: CN200710084112A
Authority: CN
Inventors: 康春彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-16
Filing date: 2007-02-16
Publication date: 2010-02-03
Anticipated expiration: 2027-02-16
Also published as: CN101015715A; WO2008101373A1

Abstract

The invention discloses a disposable drainage device, which comprises a catheter, a drainage bag and a catheter fixation base. The catheter is has a blunt end, 2-8 through holes distributed in the tube wall 50-80 mm away from the blunt end, and outer screw thread in the other tube end. The drainage bag integrates drainage tube and a bag. The drainage tube is communicated to one lateral wall of thebag. Inner screw threads formed by hard plastic material are disposed in one end of the drainage tube to engage with the outer screw threads of the catheter. A drainage fluid outlet is disposed in the bag and is covered with a lid. The catheter fixation base integrates a supporter and a protrusion bench. The protrusion bench has a through hole for fixing the catheter therein and having a diametersmaller than the outer diameter of the catheter. The disposable drainage device is used to discharge residual CO2 after endoscopic abdominal surgery to relieve postoperative pains. Additionally, it helps to draining bloods, prevent postoperative adhesion, and monitor internal hemorrhage after endoscopic abdominal surgery.

Description

Disposable drainage device

Technical field

The present invention relates to a kind of medical apparatus and instruments, the disposable drainage device that uses in particularly a kind of endoscope abdominal operation.

Background technology

At present, annual in the world endoscope's abdominal operations that will carry out up to a million times, wherein surpassing 50% gynecilogical operation is endoscope's abdominal operation, and general abdominal operation also can be endoscope's abdominal operation.The doctor who is engaged in endoscope's abdominal operation in countries in the world knows clearly, needs CO before patient's operation ₂Gas is expelled to intraperitoneal and carries out pretreatment, used after operation conduit discharging CO ₂Gas, but CO ₂Gas but can not reach fully and discharge, so remaining CO ₂Gas will be owing to stimulating barrier film to cause patient's chest pain.In operation process, generally can discharge the blood that produces in the abdominal cavity, but but often can't guide out, produce the pelvis adhesion, cause patient's misery and complication so these remaining blood just may excite to the blood in the intestinal by the suction apparatus.In addition, also internal hemorrhage may occur for various reasons after the operation, often be not easy in time to find for medical personnel.So even to this day, all abdominal operation doctors of endoscope must explain endoscope's abdominal postoperative with issuable misery and complication to patient in advance, patient also must bear these unavoidable misery and complication after operation.As general drainage equipment, have a large amount of patented technologies both at home and abroad, wherein, China's utility model patent " disposable celiac puncturing drainer " (patent No.: ZL2005200098445.4) disclose a kind of disposable celiac puncturing drainer, be mainly used in the complex operation that solves existing puncturing drainer and exist, use inconvenience, wayward drainage speed, easily problems such as infection take place, still can not be used for the laparoscope abdominal operation.China's utility model patent " thoracic cavity hemopneumothorax drainage device " (patent No.: ZL200520081846.9) disclose thoracic cavity hemopneumothorax drainage device in a kind of cardiac operation, form by paracentesis trocar, drainage tube, drainage bag, though it is simple in structure, easy to operate, but and be not suitable for the laparoscope abdominal operation, also can't resolve in the above-mentioned endoscope abdominal operation and the problem that may occur after the operation, and misery and the complication therefore brought to patient.

Summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art and defective, propose a kind of disposable drainage device, can be by the residue CO in endoscope abdominal postoperative discharging abdominal cavity ₂Gas is alleviated postoperative misery, and can prevent the pelvis adhesion by the buffer action that removes residue blood and conduit, also can easily find postoperative internal hemorrhage.

For reaching above-mentioned purpose, the invention provides a kind of disposable drainage device, it comprises: a conduit, make by softish vinyl pipe or silica gel tube, catheter length is 280～550mm, the conduit external diameter is 3～4mm, pipe thickness is 0.5～0.8mm, conduit one end is mellow and full slick pipe end, 2～8 equally distributed small through hole are arranged on the tube wall apart from this pipe end termination 50～80mm, the conduit other end has the external screw thread with catheter-shaped all-in-one-piece duroplasts material, and the length scale to the other end from described pipe end is arranged on the catheter wall; One drainage bag, comprise by softish vinyl plastics integrally formed drainage tube and bag, one lateral sulcus of described drainage tube and bag leads to and connects, the internal diameter of drainage tube is 3.5～4.5mm, at the pipe end of drainage tube female thread pipe end with the duroplasts material of its formation one is arranged, cooperate with the external screw thread of described conduit and to be spirally connected, the inner capacities of bag is 200～400 milliliters, there is the thick vinyl plastics sheet that forms one with bag in bight near drainage tube one side on bag, a hook hole is arranged on it, on bag, also have the export mouth of a drain liquid, seal cover is arranged on the export mouth; One conduit holder, make with silica gel, comprise orthogonal base and the boss integrally formed with base, boss places the centre of base, one through hole is arranged on it, the diameter of through hole is less than the external diameter of described conduit, and one side has a gap that communicates with through hole on the long limit of orthogonal base, and described conduit is fixed in this through hole.

Wherein, the diameter of described small through hole is 1.2～2.4mm.

Wherein, the externally threaded external diameter of the described conduit other end is 3.5～4.5mm, and externally threaded length is 4～8mm.

Wherein, the external diameter of the female thread pipe end of described drain pipe end is 4.5～6.3mm.

Wherein, the outer surface of the female thread pipe end of described drain pipe end has radially concavo-convex groove or rag.

Wherein, the diameter of the hook hole on the described bag is 12～20mm.

Wherein, the shape of described bag is selected from little dolioform in the big centre in rectangle, circle, ellipse or two.

Wherein, the seal cover on the described bag is selected from thread sealed closure, tight fit tamponade.

Wherein, the base thickness of described conduit holder is 1.2～2.0mm, and the boss height is 1.2～2.0mm.

Wherein, the gap of described conduit holder is selected from straight mouth, arc port, stepped interface or concavo-convex interface.

Useful technique effect of the present invention is: disposable drainage device of the present invention, and can be by the residue CO in endoscope abdominal postoperative discharging abdominal cavity ₂Gas is alleviated the postoperative misery of patient, and can prevent patient's pelvis adhesion by the buffer action that removes residue blood and conduit, also can easily find postoperative intraperitoneal hemorrhage, thereby significantly reduce the misery and the complication of patient's postoperative.

Description of drawings

Fig. 1 is a sketch map of the present invention;

Sketch map when Fig. 2 uses for the present invention;

Fig. 3 is the top view of conduit holder among the present invention;

Fig. 4 is the cutaway view of conduit holder among the present invention.

Symbol description among the figure

1 conduit

11 conduits, one end, 111 small through hole, 112 length scales

The 12 conduit other ends, 121 external screw threads

2 drainage bags

21 drainage tubes, 211 female thread pipe ends

22 bags, 221 thick vinyl plastics sheet 2211 hook holes

222 export mouths, 2221 seal covers

3 conduit holders

31 bases, 311 gap

32 boss

33 through holes

4 patient skins

5 abdominal operation positions

The specific embodiment

Below in conjunction with drawings and Examples explanation the specific embodiment of the present invention.

As illustrated in fig. 1 and 2, this utility model provides a kind of embodiment of disposable drainage device, it comprises: a conduit 1, make by softish vinyl pipe or silica gel tube, the length of conduit 1 is 280～550mm, select the conduit 1 of different length according to the depth of patient-sized and operative site, correspondingly, the external diameter of conduit 1 is 3～4mm, pipe thickness is 0.5～0.8mm, one end 11 of conduit 1 is mellow and full slick pipe end, 2～8 equally distributed small through hole 111 are arranged on the tube wall apart from this pipe end termination 50～80mm, as shown in the figure, 4 small through hole 111 are arranged in the present embodiment, the other end 12 of conduit 1 has the external screw thread 121 that forms the duroplasts material of one with conduit 1, and the length scale to the other end 12 from described Guan Yiduan 11 is arranged on the wall of conduit 1; One drainage bag 2, comprise by softish vinyl plastics integrally formed drainage tube 21 and thin and blocky bag 22, one lateral sulcus of described drainage tube 21 and bag 22 leads to and connects, also can be integrally formed, the internal diameter of drainage tube 21 is 3.5～4.5mm, at the pipe end of drainage tube 21 female thread pipe end 211 with the duroplasts material of its formation one is arranged, cooperate with the external screw thread 121 of described conduit 1 and to be spirally connected, the inner capacities of bag 22 is 200～400 milliliters, can be according to the operation size, the bag of how much selecting different big or small inner capacitiess for use 22 of drainage flow, there is the thick vinyl plastics sheet 221 that forms one with bag in bight near drainage tube 21 1 sides on bag 22, a hook hole 2211 is arranged on it, can be convenient to bag 22 is hung on the hook on the sick bed limit, the export mouth 222 that on bag 22, also has a drain liquid, seal cover 2221 is arranged, by opening encapsulation lid 2221 juices that drain can be come out on the export mouth 222, residue blood or residue CO ₂Gas is discharged bag 22; One conduit holder 3, make with silica gel, this conduit holder 3 is enclosed within the outside of described conduit 1, it comprises orthogonal base 31 and the boss 32 integrally formed with base, boss 32 places the centre of base 31, one through hole 33 is arranged on it, the diameter of through hole 33 is less than the external diameter of described conduit 1, a side has a gap that communicates with through hole 311 on the long limit of orthogonal base 31, described conduit 1 is fixed in this through hole 311, the base 31 of conduit holder 3 is close to the surface of patient skin 4 as shown in Figure 2, conduit 1 passes through hole 311 and inserts abdominal operation position 5, the juice in the abdominal operation position 5 by the surgical hole on the patient skin 4, residue blood or residue CO ₂Gas enters conduit 1 through the small through hole 111 of conduit 1, flows into bag 22 through drainage tube 21 again, and the seal cover 2221 on the export mouth 222 of opening drain liquid just can excrete.

The diameter of described small through hole 111 is 1.2～2.4mm, is preferably 2.3mm.The external diameter of the external screw thread 121 of the other end 12 of described conduit 1 is 3.5～4.5mm, and the length of external screw thread 121 is 4～8mm, and the external diameter that is preferably external screw thread 121 is 4.0mm, and the length of external screw thread 121 is 5.0mm.

The external diameter of the female thread pipe end 211 of the pipe end of described drainage tube 21 is 4.5～6.3mm, is preferably 6.0mm.The outer surface of the female thread pipe end 211 of described drain pipe end has concavo-convex groove or rag radially, so that the frictional force when increasing the knob screw thread.

The diameter of the hook hole 2211 on the described bag 22 is 12～20mm, is preferably mm.Be mainly used in bag 22 is hung on the hook on sick bed limit.The shape of bag 22 can be selected from rectangle, square, circular, the big centre of ellipse or two is little different shape such as dolioform, general more select for use orthogonal.Seal cover 2221 on the bag 22 is selected from thread sealed closure, tight fit tamponade, can select for use as required.

Shown in Fig. 3 and 4, base 31 thickness of described conduit holder 3 are 1.2～2.0mm, and boss 32 highly is 1.2～2.0mm, mainly according to external diameter size, the thickness of conduit 1 select the to adapt conduit holder 3 of size.The gap 311 of conduit holder 3 is selected from straight mouth, arc port, stepped interface or concavo-convex interface, be mainly used in and conduit 1 can be inserted in its through hole 33 after breaking gap 311 into two with one's hands, because the diameter of through hole 33 is less than the external diameter of described conduit 1, conduit 1 can be clamped, Figure 3 shows that a kind of straight mouthful of gap 311, also can adopt the gap 311 of arc port, stepped interface or concavo-convex interface.

The above only is preferred embodiment of the present invention, when not limiting scope of the invention process with this; So all equivalences of doing according to claims of the present invention and description change and modify, all should still belong in the scope that patent of the present invention contains.

Claims

1. a disposable drainage device is characterized in that, comprising:

One conduit, make by softish vinyl pipe or silica gel tube, catheter length is 280～550mm, the conduit external diameter is 3～4mm, pipe thickness is 0.5～0.8mm, and conduit one end is mellow and full slick pipe end, and 2～8 equally distributed small through hole are arranged on the tube wall apart from this pipe end termination 50～80mm, the conduit other end has the external screw thread with catheter-shaped all-in-one-piece duroplasts material, and the length scale to the other end from described pipe end is arranged on the catheter wall;

One drainage bag, comprise by softish vinyl plastics integrally formed drainage tube and bag, one lateral sulcus of described drainage tube and bag leads to and connects, the internal diameter of drainage tube is 3.5～4.5mm, at the pipe end of drainage tube female thread pipe end with the duroplasts material of its formation one is arranged, cooperate with the external screw thread of described conduit and to be spirally connected, the inner capacities of bag is 200～400 milliliters, there is the thick vinyl plastics sheet that forms one with bag in bight near drainage tube one side on bag, a hook hole is arranged on it, on bag, also have the export mouth of a drain liquid, seal cover is arranged on the export mouth;

One conduit holder, make with silica gel, comprise orthogonal base and the boss integrally formed with base, boss places the centre of base, one through hole is arranged on it, the diameter of through hole is less than the external diameter of described conduit, and one side has a gap that communicates with through hole on the long limit of orthogonal base, and described conduit is fixed in this through hole.

2. disposable drainage device as claimed in claim 1, wherein, the diameter of described small through hole is 1.2～2.4mm.

3. disposable drainage device as claimed in claim 1, wherein, the externally threaded external diameter of the described conduit other end is 3.5～4.5mm, externally threaded length is 4～8mm.

4. disposable drainage device as claimed in claim 1, wherein, the external diameter of the female thread pipe end of described drain pipe end is 4.5～6.3mm.

5. disposable drainage device as claimed in claim 1, wherein, the outer surface of the female thread pipe end of described drain pipe end has concavo-convex groove or rag radially.

6. disposable drainage device as claimed in claim 1, wherein, the diameter of the hook hole on the described bag is 12～20mm.

7. disposable drainage device as claimed in claim 1, wherein, the shape of described bag is selected from little dolioform in the big centre in rectangle, circle, ellipse or two.

8. disposable drainage device as claimed in claim 1, wherein, the seal cover on the described bag is selected from thread sealed closure, tight fit tamponade.

9. disposable drainage device as claimed in claim 1, wherein, the base thickness of described conduit holder is 1.2～2.0mm, the boss height is 1.2～2.0mm.

10. disposable drainage device as claimed in claim 1, wherein, the gap of described conduit holder is selected from straight mouth, arc port, stepped interface or concavo-convex interface.