CN204601336U - Anti-extrusion drainage tube - Google Patents
Anti-extrusion drainage tube Download PDFInfo
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- CN204601336U CN204601336U CN201520059783.0U CN201520059783U CN204601336U CN 204601336 U CN204601336 U CN 204601336U CN 201520059783 U CN201520059783 U CN 201520059783U CN 204601336 U CN204601336 U CN 204601336U
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- drainage tube
- spiral type
- tube body
- type reinforcement
- reinforcement
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Abstract
The utility model discloses a kind of anti-extrusion drainage tube, comprise drainage tube body, the inwall of drainage tube body is provided with spiral type reinforcement, the front end of drainage tube body is provided with multiple side opening, and each side opening is all located at the gap between screw place of spiral type reinforcement and multiple described side opening is arranged in spiral type around drainage tube body.Its processing method is: the body of rod is penetrated spiral type reinforcement, and the front end of front end and the body of rod is fixed, then is fixed by the follower head of spiral type reinforcement, rotate the body of rod, the body of rod being wound with spiral type reinforcement is penetrated in drainage tube body, unclamps front end, follower head, extract the body of rod out.Drainage tube body and spiral type reinforcement also can be structure as a whole.Anti-extrusion drainage tube of the present utility model, can avoid drainage tube to block, and not affect the bending property of drainage tube.Production cost is low, and efficiency is high.The anti-extrusion drainage tube of integrative-structure, can simplify structure further, while having resistance to compression effect, does not at all affect drainage effect.
Description
Technical field
This utility model relates to medical apparatus and instruments, especially a kind of drainage tube with anti-extrusion function of postoperative use.
Background technology
Hemorrhage and infection is the modal complication of surgical site infections, and in order to Timeliness coverage and treat postoperative hemorrhage or infect, surgeon usually can at operative region placing drainage in operation, and modal is thoracic cavity and peritoneal cavity drainage tube.Drainage tube is except can by the liquid guide flow that gathers in tissue gap or body cavity to external, and being also observe the important window that the complication such as hemorrhage, intestinal leakage occur, is the requisite a kind of medical apparatus and instruments of surgical site infections.
At present, conventional drainage tube is the tubular structure be made up of soft silica gel or rubber, and top has side opening.Its advantage is that structure is simple, easy to use.Owing to being subject to drainage tube material and shape restriction, the drainage tube that quality is soft, general bending is good, but crushing resistance is bad, cause drainage tube to be easily subject to managing the compressing of outer organ and block, or drainage tube gives a discount rear the obstruction, cannot play the effect of drain and observation.And the drainage tube that quality is stronger, or adopt some to strengthen the drainage tube of structure, general crushing resistance strengthens, but flexible weakens greatly, easily oppress surrounding organ when placing in vivo and cause damage, the too hard compression anastomosis mouth of quality is such as placed on the drainage tube around gastrointestinal anastomosis, if can make anastomotic stoma break; The too hard drainage tube of quality also can make the friction of body the inner or compression because of the shift in position of external section around delicate tissue cause the complication such as hemorrhage.Therefore, we think, a kind of good drainage tube should have good crushing resistance and flexible simultaneously.
In addition, along with the development of endoscopic technic, the various disease of minimally-invasive treatment is the trend of medical skill development from now on, like this equally to the treatment of post-operative complication, drainage tube is by implementing the post-operative complication such as endoscopic technic treatment intestinal leakage, some patients can be made to avoid postoperative second operation, alleviate patient suffering.But also lack at present the medical drainage tube that can be used for implementing endoscopic technic clinically, its reason is also with to lack a kind of good resistance to compression at present relevant with flexible drainage tube.Although there is a kind of medical drainage tube implementing endoscopic technic of patent literature, but this utility model simply increases endoscope passage, do not solve the problem that tube chamber easily gives a discount, the frictional resistance of tube wall and scope is comparatively large in addition, causes endoscopic technic to remain difficulty.
Utility model content
The purpose of this utility model is to provide a kind of anti-extrusion drainage tube, drainage tube can be avoided to block, and do not affect the bending property of drainage tube.
For achieving the above object, this utility model adopts following technical scheme:
A kind of anti-extrusion drainage tube, comprise drainage tube body, the inwall of described drainage tube body is provided with spiral type reinforcement, be provided with multiple side opening in the front end of drainage tube body, each described side opening is all located at the gap between screw place of spiral type reinforcement and multiple described side opening is arranged in spiral type around drainage tube body.
The inwall of described drainage tube body is provided with spiral groove, described spiral type reinforcement is arranged in this spiral groove, the axial ribs that the axial groove of helical groove is wider than spiral type reinforcement is wide, the spiral type internal diameter of described spiral type reinforcement is less than the internal diameter of drainage tube body, and the spiral type external diameter of described spiral type reinforcement is greater than the internal diameter of drainage tube body and is less than the external diameter of drainage tube body.
Described drainage tube body and spiral type reinforcement are made by silicone rubber, and are greater than the hardness of the silicone rubber for the manufacture of drainage tube body for the manufacture of the hardness of the silicone rubber of spiral type reinforcement.
Described drainage tube body and spiral type reinforcement are structure as a whole.
Compared with prior art the beneficial effects of the utility model are: owing to adopting technique scheme, the inwall of described drainage tube body is provided with spiral type reinforcement, multiple side opening is provided with in the front end of drainage tube body, each described side opening is all located at the gap between screw place of spiral type reinforcement, and multiple described side opening is arranged in spiral type around drainage tube body, this structure, spiral type reinforcement can play the effect of supporting drainage pipe body, drainage tube is avoided to block, and do not affect the bending property of drainage tube, because when drainage tube bends, spiral type reinforcement can free shrink or expansion in bending place.
Further beneficial effect is: on the inwall of described drainage tube body, be provided with spiral groove, described spiral type reinforcement is arranged in this spiral groove, the axial ribs that the axial groove of helical groove is wider than spiral type reinforcement is wide, the spiral type internal diameter of described spiral type reinforcement is less than the internal diameter of drainage tube body, the spiral type external diameter of described spiral type reinforcement is greater than the internal diameter of drainage tube body and is less than the external diameter of drainage tube body, this structure, axial gap is had between spiral type reinforcement and helical groove, more be conducive to compression or the expansion of spiral type reinforcement, bending performance is better, and spiral type reinforcement is positioned at helical groove, position is relatively fixing, support force is even.Spiral reinforcing rod can also avoid scope directly to contact with drainage tube inboard wall of tube body in addition, thus frictional resistance when reducing endoscopic technic.
Further beneficial effect is: described drainage tube body and spiral type reinforcement are made by silicone rubber, and the hardness of the silicone rubber for the manufacture of drainage tube body is greater than for the manufacture of the hardness of the silicone rubber of spiral type reinforcement, this structure, all adopt silicone rubber, the hardness of spiral type reinforcement can be slightly harder or hard than the hardness of drainage tube body many, this can adjust flexibly according to different operative sites, therefore, its range of application is wider, and result of use is better.
The anti-extrusion drainage tube of another kind of structure, described drainage tube body and spiral type reinforcement are structure as a whole, and spiral type reinforcement carries out local strengthening by the method for white carbon reinforcement to the inwall of drainage tube body to make.This anti-extrusion drainage tube structure, further simplify structure, while having resistance to compression effect, does not at all affect drainage effect.And, use known white carbon reinforcement, spiral type reinforcement can be produced dexterously, achieve beyond thought technique effect: under normal circumstances, the hardness of silicone rubber and the relation in service life first rise to decline afterwards, becomes parabolic shape, the best of silicone rubber uses hardness at 40-60 degree, hardness is lower, and not completely, combination property is poor in reinforcement, hardness is higher, white carbon addition is large, and destroy silicone rubber self structure, combination property is also poor.Method of the present utility model adopts local reinforcement, and the silicone rubber of the compatible two kinds of hardness of drainage tube body, achieves beyond thought technique effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram of Fig. 1 leading section.
Detailed description of the invention
In order to make the technical solution of the utility model more clear, below in conjunction with accompanying drawing, this utility model is described in detail.
Consult Fig. 1 and 2, this utility model is a kind of anti-extrusion drainage tube, it comprises drainage tube body 1, the inwall of described drainage tube body 1 is provided with spiral type reinforcement 2, be provided with multiple side opening 3 in the front end of drainage tube body 1, each described side opening 3 is all located at the gap between screw place of spiral type reinforcement 2 and multiple described side opening 3 is arranged in spiral type around drainage tube body 1.The inwall of described drainage tube body 1 is provided with spiral groove 4, described spiral type reinforcement 2 is arranged in this spiral groove 4, the axial ribs that the axial groove of helical groove 4 is wider than spiral type reinforcement 2 is wide, the spiral type internal diameter of described spiral type reinforcement 2 is less than the internal diameter of drainage tube body 1, and the spiral type external diameter of described spiral type reinforcement 2 is greater than the internal diameter of drainage tube body 1 and is less than the external diameter of drainage tube body 1.Preferably, described drainage tube body 1 and spiral type reinforcement 2 are made by silicone rubber, and are greater than the hardness of the silicone rubber for the manufacture of drainage tube body 1 for the manufacture of the hardness of the silicone rubber of spiral type reinforcement 2.
The processing method of above-mentioned anti-extrusion drainage tube, step is as follows---
Step one a: body of rod diameter being less than described spiral type internal diameter penetrates spiral type reinforcement 2,
Step 2: the front end of spiral type reinforcement 2 and the front end of the body of rod are fixed,
Step 3: the follower head of spiral type reinforcement 2 is fixed, rotate the body of rod, the periphery making spiral type reinforcement 2 be close to the body of rod is wrapped on the body of rod, then the follower head of spiral type reinforcement 2 is fixed on the rear end of the body of rod,
Step 4: the body of rod being wound with spiral type reinforcement 2 is penetrated in drainage tube body 1, after the front end of the body of rod passes drainage tube body 1, the front end of spiral type reinforcement 2 is separated with the front end of the body of rod, the follower head of the spiral type reinforcement 2 being fixed on body of rod rear end is unclamped
Step 5: extract the body of rod out, spiral type reinforcement 2 expands and restores, and enters in described spiral groove 4.
Another kind of version of the present utility model is: drainage tube body 1 and spiral type reinforcement 2 are structure as a whole.Described spiral type reinforcement 2 carries out local strengthening by the method for white carbon reinforcement to the inwall of drainage tube body 1 to make.Use known white carbon reinforcement, spiral type reinforcement can be produced dexterously, obtain beyond thought technique effect.Under normal circumstances, the hardness of silicone rubber and the relation in service life first rise to decline afterwards, become parabolic shape, the best of silicone rubber uses hardness at 40-60 degree, and hardness is lower, reinforcement is not completely, combination property is poor, and hardness is higher, and white carbon addition is large, destroy silicone rubber self structure, combination property is also poor.Employing local reinforcement of the present utility model (at inwall along helix reinforcement, being formed spiral type reinforcement by the helix of reinforcement), the silicone rubber of the compatible two kinds of hardness of drainage tube body, achieves beyond thought technique effect.
Claims (4)
1. an anti-extrusion drainage tube, comprise drainage tube body (1), it is characterized in that: on the inwall of described drainage tube body (1), be provided with spiral type reinforcement (2), be provided with multiple side opening (3) in the front end of drainage tube body (1), each described side opening (3) is all located at the gap between screw place of spiral type reinforcement (2) and multiple described side opening (3) is arranged in spiral type around drainage tube body (1).
2. anti-extrusion drainage tube according to claim 1, it is characterized in that: on the inwall of described drainage tube body (1), be provided with spiral groove (4), described spiral type reinforcement (2) is arranged in this spiral groove (4), the axial ribs that the axial groove of helical groove (4) is wider than spiral type reinforcement (2) is wide, the spiral type internal diameter of described spiral type reinforcement (2) is less than the internal diameter of drainage tube body (1), and the spiral type external diameter of described spiral type reinforcement (2) is greater than the internal diameter of drainage tube body (1) and is less than the external diameter of drainage tube body (1).
3. anti-extrusion drainage tube according to claim 2, it is characterized in that: described drainage tube body (1) and spiral type reinforcement (2) are made by silicone rubber, and be greater than the hardness of the silicone rubber for the manufacture of drainage tube body (1) for the manufacture of the hardness of the silicone rubber of spiral type reinforcement (2).
4. anti-extrusion drainage tube according to claim 1, is characterized in that: described drainage tube body (1) and spiral type reinforcement (2) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059783.0U CN204601336U (en) | 2015-01-29 | 2015-01-29 | Anti-extrusion drainage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059783.0U CN204601336U (en) | 2015-01-29 | 2015-01-29 | Anti-extrusion drainage tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204601336U true CN204601336U (en) | 2015-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520059783.0U Expired - Fee Related CN204601336U (en) | 2015-01-29 | 2015-01-29 | Anti-extrusion drainage tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204601336U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667409A (en) * | 2015-01-29 | 2015-06-03 | 浙江大学 | Anti-squeezing drainage tube and method for manufacturing same |
| CN110496293A (en) * | 2019-08-19 | 2019-11-26 | 张曦 | A kind of improved Anti-pressure drainage tube |
| CN112972867A (en) * | 2021-02-08 | 2021-06-18 | 东莞市南城医院 | Biliary tract radiography tube passing through residual end of cystic duct |
| CN113648517A (en) * | 2021-07-23 | 2021-11-16 | 常州市第二人民医院 | Urethra air sac capable of performing secondary drainage |
-
2015
- 2015-01-29 CN CN201520059783.0U patent/CN204601336U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667409A (en) * | 2015-01-29 | 2015-06-03 | 浙江大学 | Anti-squeezing drainage tube and method for manufacturing same |
| CN104667409B (en) * | 2015-01-29 | 2017-11-10 | 浙江大学 | Anti-extrusion drainage tube and its manufacture method |
| CN110496293A (en) * | 2019-08-19 | 2019-11-26 | 张曦 | A kind of improved Anti-pressure drainage tube |
| CN112972867A (en) * | 2021-02-08 | 2021-06-18 | 东莞市南城医院 | Biliary tract radiography tube passing through residual end of cystic duct |
| CN113648517A (en) * | 2021-07-23 | 2021-11-16 | 常州市第二人民医院 | Urethra air sac capable of performing secondary drainage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20190129 |