CN103272321A - Body cavity drainage tube suit - Google Patents
Body cavity drainage tube suit Download PDFInfo
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- CN103272321A CN103272321A CN2013102072940A CN201310207294A CN103272321A CN 103272321 A CN103272321 A CN 103272321A CN 2013102072940 A CN2013102072940 A CN 2013102072940A CN 201310207294 A CN201310207294 A CN 201310207294A CN 103272321 A CN103272321 A CN 103272321A
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- trocar sheath
- body cavity
- drainage tube
- sheath
- air bag
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Abstract
The invention discloses a body cavity drainage tube suit. The body cavity drainage tube suit comprises a front air bag sleeve, an outer cannula, an air bag inflation tube, a diluent tube, an air pressure adjusting tube and a body cavity wall sheath. According to the body cavity drainage tube suit, the structural design is ingenious and reasonable, due to the arrangement of the front air bag sleeve, the original pressing point contact is replaced with the surface contact of an air bag, the probability that tissue and organs inside a body can be damaged due to the fact that a drainage tube is left inside the body for a long time is greatly reduced, and the occurrence rate of common clinic complications such as digestive tract fistula and massive haemorrhage inside the pleuroperitoneal cavity is decreased obviously; due to the fact that the diluent tube and the air pressure adjusting tube are arranged inside the outer cannula, water and gas needed by the drainage end are provided; due to the arrangement of the body cavity wall sheath, the outer cannula can be rotated independently to achieve a better drainage effect in a drainage process, pain suffered by a patient can be greatly relieved due to the fact that the friction between the body cavity wall and the outer cannula is avoided when the outer cannula is rotated, the drainage tolerance of the patient is improved, damage is small, and the safety and the effectiveness of a drainage operation are effectively improved. In addition, the body cavity drainage tube suit has the advantages of being simple in overall structure, easy to manufacture, low in cost, and is capable of being popularized widely.
Description
Technical field
The present invention relates to technical field of medical instruments, be specifically related to a kind of body cavity drainage tube external member that is applied to body cavity sepage or slough drain.
Background technology
As everyone knows, the control surgical infection is big emphasis and a difficult point of present medical domain, breast, intraperitoneal drainage are that Clinical Surgery handles that surgical infection is most important, one of topmost treatment means, and the quality of drainage effect has often determined patient's therapeutic effect and advancing of disease to lapse to.At the surgery infected patient, as the intractable abdominal cavity infection that common clinically serious symptom necrotizing pancreatitis, digestive tract fistula cause, intraperitoneal drainage becomes very crucial treatment measure.Therefore, the body cavity drain especially has an irreplaceable status at modern medicine in surgical infection is handled.
Clinical common drain at present has rubber drainage tube, silica gel drainage tube, two sleeve pipe and three sleeve pipes etc., yet all there are various drawbacks in all drainage tubes commonly used.
1, maximum two sleeve pipes are used in body cavity drain at present, even three sleeve pipe because its trocar sheath quality harder, it is indeformable to stand perienchyma's extruding, drainage effect is better relatively, but organ, tissue or blood vessel in Long contact time or the compressing body cavity, often produce the complication that loses more than gain, cause the downright bad generation of ischemia digestive tract fistula, compressing damage trunk massive hemorrhage etc. to occur as long-time compressing gastrointestinal tract, so its scope of application is limited greatly to a certain extent;
The drainage tube softer for quality such as rubber drainage tubes usually pushed and shrivels by peripheral organs or tissue, makes its drainage effect have a greatly reduced quality.
2, drain often needs long-time indwelling drainage tube in the body cavity, owing to the slough that mostly is of drain liquid, often need the rotating jacket pipe to increase drainage effect in the drain process, but often causing sufferer pain, rotation process feels bad, be difficult to accept, and can increase drainage tube stomatorrhagia infection possibility.
3, the drainage tube that uses at present is after being in place, drainage tube is constant relatively, when the sepage of drain end periphery or slough drain into to a certain degree, need to change the drain end position and often need put pipe again, so clinically often need repeatedly put pipe for the surgical infection sufferer, increase the sick incidence rate of complication and sufferer misery greatly.
4, the fixing of present body cavity drainage tube clinically mainly is by near skin suture needle drainage tube and then fixing with buttock line knotting after tube wall detours, deviate to prevent drainage tube, if but when need adjusting the drainage tube degree of depth then after needing to take out stitches again suture needle fix, it is painful and infect probability to have increased sufferer.
Therefore seek good and don't meeting of a kind of drainage effect or bottom line and reduce the drainage kit that perienchyma's organ is caused damage, the raising drainage effect, the minimizing complication seems particularly important.It will improve the therapeutic effect of Clinical Processing surgical infection greatly, significantly reduce the case fatality rate of surgical infection disease.
Summary of the invention
The objective of the invention is to, at above-mentioned deficiency, provide a kind of structural design ingenious, reasonable, easy to operate, and drainage effect is good, not can or bottom line reduce perienchyma's organ caused damage, reduce the body cavity drainage tube external member of complication.
For achieving the above object, technical scheme provided by the present invention is: a kind of body cavity drainage tube external member, it comprises the air bag protheca, trocar sheath, airbag inflation pipe, diluted liquid tube, air pressure adjustment pipe and body lumen wall sheath, the front end of described trocar sheath is evenly distributed with some conduction holes, described air bag protheca is set in the front end of described trocar sheath, and be provided with the perforate corresponding with described conduction hole, described airbag inflation pipe inserts in the described trocar sheath, and be connected with described air bag protheca, described diluted liquid tube inserts in the described trocar sheath, and head slightly stretches out from the front end of this trocar sheath, and be provided with the opening that allows the head of this diluted liquid tube expose at described air bag protheca, described air pressure adjustment pipe inserts in the described trocar sheath, and until the front portion that extends to this trocar sheath, described body lumen wall sheath is arranged on the afterbody of described trocar sheath.
As a kind of improvement of the present invention, the appearance profile of described conduction hole is one or more combinations in circular, square, prismatic or the strip.
As a kind of improvement of the present invention, the appearance profile of described conduction hole is circular, and the diameter of this conduction hole is 3～8mm.
As a kind of improvement of the present invention, the diameter of described trocar sheath is 5～20mm, and length is 150～400mm.
As a kind of improvement of the present invention, described air bag protheca is single layer structure, its marginal position is bonded in the lateral wall of described trocar sheath, make its medial wall and the lateral wall of this trocar sheath between form the air cavity of a sealing, described airbag inflation pipe is connected with this air cavity.
As a kind of improvement of the present invention, the front end face of described air bag protheca is provided with spherical surface hill, and described opening is positioned at a side of this spherical surface hill.
As a kind of improvement of the present invention, described body lumen wall sheath comprise a skin fixedly sheath and be arranged on the fixedly body on the sheath of this skin, this body is provided with the movable trepanning suitable with described trocar sheath, and described skin fixedly sheath is provided with a plurality of symmetrically arranged fixing holes in the center of circle that are.
As a kind of improvement of the present invention, the afterbody lateral surface of described trocar sheath is provided with to show the scale recess of its insertion depth, and is provided with the snap ring suitable with this scale recess in described movable trepanning, is interference fit between this snap ring and the described trocar sheath.
As a kind of improvement of the present invention, it also comprises a pull rope, and pull rope one end stretches in the described trocar sheath, and is connected with the front end medial wall of this trocar sheath.
As a kind of improvement of the present invention, it also comprises negative-pressure drainage tube, and this negative-pressure drainage tube inserts in the described trocar sheath, until the front portion that extends to this trocar sheath, the caliber of this negative-pressure drainage tube is greater than the caliber of diluted liquid tube, and this diluted liquid tube is consistent with the caliber size of described air pressure adjustment pipe.
Beneficial effect of the present invention is: structural design of the present invention is ingenious, reasonable, and trocar sheath possesses certain intensity is arranged, and squeezes flat to be unlikely to be organized in body cavity with the human body skin opening; Trocar sheath needs softness and smooth as much as possible again simultaneously, to alleviate it for the damage of body cavity inner tissue organ.Use air bag protheca parcel in the front portion of trocar sheath, be transformed into the face contact of air bag by original pressure point contact, significantly reduce the long-term possibility of keeping somewhere the damage in-vivo tissue organ that causes of drainage tube, significantly reduced the incidence rate of clinical common complications such as digestive tract fistula, the interior massive hemorrhage of splanchnocoel; Using body lumen wall sheath with the trocar sheath unlike material with the direct contact site of body lumen wall, in the drain process, but the independent rotation trocar sheath obtains better drainage effect, when rotating simultaneously, do not need the body lumen wall that rubs, alleviate the misery of sufferer greatly, improve the toleration to drain of sufferer; Inside pipe casing is provided with diluted liquid tube and air pressure adjustable pipe outside, with water and the gas that provides the drain end to need; By straining or unclamping the angle that pull rope can change drainage tube to a certain extent, increase drainage effect; Afterbody at trocar sheath is provided with rule, can be used with the body lumen wall sheath, and the depth location that makes things convenient for the medical worker to observe trocar sheath changes, and guarantees the safety of using.In addition, overall structure of the present invention is simple, is easy to make, and cost is low, is beneficial to wide popularization and application.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Description of drawings
Fig. 1 is perspective view of the present invention.
Fig. 2 is the decomposition texture sketch map of Fig. 1.
Fig. 3 is the structural representation of the air bag protheca among Fig. 1.
Fig. 4 is the structural representation of the trocar sheath among Fig. 1.
Fig. 5 is the sectional structure sketch map of the body lumen wall sheath among Fig. 3.
The specific embodiment
Referring to Fig. 1 to Fig. 5, a kind of body cavity drainage tube external member that present embodiment provides, it comprises air bag protheca 1, trocar sheath 2, airbag inflation pipe 3, diluted liquid tube 4, air pressure adjustment pipe 5 and body lumen wall sheath 6, and the front end of described trocar sheath 2 is evenly distributed with some conduction holes 21.The length that those conduction holes 21 distribute accounts for 1/3 of trocar sheath 2 total lengths greatly.Those conduction holes 21 can allow body cavity sepage or slough can enter in the trocar sheath 2.Trocar sheath 2 in body cavity, is not organized crowded flat crowded flat with the human body skin opening to such an extent as to need possess certain intensity; Trocar sheath 2 needs softness and smooth as much as possible again simultaneously, to alleviate it for the damage of body cavity inner tissue organ.
Described air bag protheca 1 is set in the front end of described trocar sheath 2, and is provided with the perforate 11 corresponding with described conduction hole 21, and the position of conduction hole 21 is corresponding with perforate 11 positions on the air bag protheca 1, realizes the drain function.Described airbag inflation pipe 3 inserts in the described trocar sheath 2, and is connected with described air bag protheca 1.The conventional relatively medical drainage tube of trocar sheath 2 uses the relatively low plastic material of hardness to make, its purpose is after the design that air bag protheca 1 and body lumen wall sheath 6 have been arranged, the hardness of trocar sheath 2 can reduce for the tissue of non-air bag part and the damage risk of organ, also can make things convenient for the bending of trocar sheath 2.Front end at trocar sheath 2 uses air bag protheca 1 parcel, make contacting of organ or tissue and trocar sheath 2, be transformed into the face contact of air bag by original pressure point contact, significantly reduce the long-term possibility of keeping somewhere the damage in-vivo tissue organ that causes of drainage tube, significantly reduced the incidence rate of clinical common complications such as digestive tract fistula, the interior massive hemorrhage of splanchnocoel.
The protection that air bag protheca 1 is also arranged on every side of conduction hole 21 makes the tissue of human body almost can not touch relative harder trocar sheath 2 with trachea after body cavity drainage tube external member enters simultaneously; Air bag protheca 1 and trocar sheath 2 fixed-site; Air bag protheca 1 has certain telescopic resilience; Air bag protheca 1 is regulated for the air pressure of air bag by the outside that airbag inflation pipe 3 stretches out trocar sheath 2.
Described diluted liquid tube 4 inserts in the described trocar sheath 2, and head slightly stretches out from the front end of this trocar sheath 2, and be provided with the opening 12 that allows the head of this diluted liquid tube 4 expose at described air bag protheca 1, diluted liquid tube 4 directly comes out from the front end of trocar sheath 2, its purposes is the passage that the injection diluent is provided in the drain process, increases the drainage effect of drain sepage and slough.
Described air pressure adjustment pipe 5 inserts in the described trocar sheath 2, until the front portion that extends to this trocar sheath 2.Air pressure adjustment pipe 5 partly finishes at trocar sheath 2 inner leading portions, and its purposes provides a less air duct that contacts with ambient atmosphere, avoids causing the excessive caused all side effect of negative pressure in the body cavity because the negative pressure in the drain process constantly attracts.
Described body lumen wall sheath 6 is arranged on the afterbody of described trocar sheath 2.Described body lumen wall sheath 6 comprise a skin fixedly sheath 61 and be arranged on the fixedly body 62 on the sheath 61 of this skin, this body 62 is provided with the movable trepanning 63 suitable with described trocar sheath 2, and described skin fixedly sheath 61 is provided with a plurality of symmetrically arranged fixing holes 64 in the center of circle that are.Trocar sheath 2 does not directly contact skin, and by the higher relatively skin of thin-walled, hardness fixedly sheath 61 and contact skin, and the maintenance relative position is fixing, by the fixedly design that separates with trocar sheath 2 of sheath 61 of this skin, can be implemented in when rotating inner trocar sheath 2, the skin incision part can be affected hardly.Body lumen wall sheath 6 is preferred to adopt the material different with trocar sheath 2 to make, and namely adopts the higher material of hardness to make.In the drain process, but independent rotation trocar sheath 2 obtains better drainage effect, and when rotating, trocar sheath 2 rotates in movable trepanning 63, skin fixedly sheath 61 relative body lumen wall is fixed, the body lumen wall that do not need to rub is just rotatable, alleviates the misery of sufferer greatly, improves the toleration to drain of sufferer.
The afterbody lateral surface of described trocar sheath 2 is provided with to show the scale recess 22 of its insertion depth, and is provided with the snap ring 65 suitable with this scale recess 22 in described movable trepanning 63, is interference fit between this snap ring 65 and the described trocar sheath 2.Afterbody at trocar sheath 2 is provided with rule, can be used with body lumen wall sheath 6, and the depth location that makes things convenient for the medical worker to observe trocar sheath 2 changes, and guarantees the safety of using.
Be provided with snap ring 65 in the movable trepanning 63, snap ring 65 is interference fit relations with the lateral wall of trocar sheath 2, and snap ring 65 is loose fit relations with the position of the scale recess 22 of trocar sheath 2, and trocar sheath 2 can go deep into easily, and cannot come out easily; Can observe the degree of depth of body cavity drainage tube external member easily by the relative position between this movable trepanning 63 and the scale recess 22 simultaneously, be very easy to judge in conjunction with clinography whether body cavity drainage tube external member change in location occurs after fixing the indwelling; Fixedly on the sheath 61, some fixing holes 64 are arranged at skin, when the fixed-site of body lumen wall sheath 6 well after, fixedly body lumen wall is high and steep to use the mode of suture.
In the present embodiment, the appearance profile of described conduction hole 21 is preferably circle, and the diameter of this conduction hole 21 is 3～8mm.Among other embodiment, the appearance profile of described conduction hole 21 can be one or more combinations in circular, square, prismatic or the strip.
In the present embodiment, the diameter of described trocar sheath 2 is preferably 5～20mm, and length is preferably 150～400mm.
Described air bag protheca 1 is single layer structure, and its marginal position is bonded in the lateral wall of described trocar sheath 2, make its medial wall and the lateral wall of this trocar sheath 2 between form the air cavity of a sealing, described airbag inflation pipe 3 is connected with this air cavity.
The front end face of described air bag protheca 1 is provided with spherical surface hill 13, and described opening 12 is positioned at a side of this spherical surface hill 13.Opening 12 is not arranged on the center, effectively avoids opening 12 blocked phenomenons, the convenient use and lifting operation effectiveness.
In the present embodiment, body cavity drainage tube external member also comprises a pull rope 7, and pull rope 7 one ends stretch in the described trocar sheath 2, and is connected with the front end medial wall of this trocar sheath 2.During use, can or unclamp the angle that pull rope 7 can change drainage tube to a certain extent by tension, increase drainage effect.
In the present embodiment, body cavity drainage tube external member also comprises negative-pressure drainage tube 8, this negative-pressure drainage tube 8 inserts in the described trocar sheath 2, until the front portion that extends to this trocar sheath 2, the caliber of this negative-pressure drainage tube 8 is greater than the caliber of diluted liquid tube 4, and this diluted liquid tube 4 is consistent with the caliber size of described air pressure adjustment pipe 5.
During use, owing to be provided with air bag protheca 1, original pressure point contact can be transformed into the face contact of air bag, significantly reduce the long-term possibility of keeping somewhere the damage in-vivo tissue organ that causes of drainage tube, significantly reduce the incidence rate of clinical common complications such as digestive tract fistula, the interior massive hemorrhage of splanchnocoel; In the drain process, owing to be provided with body lumen wall sheath 6, can obtain better drainage effect by independent rotation trocar sheath 2, do not need the body lumen wall that rubs when rotating simultaneously, alleviate the misery of sufferer greatly, improve the toleration to drain of sufferer, damage for a short time, effectively improved safety and the effectiveness of surgical drainage.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the specific embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although used some specific terms in this description, these terms do not constitute any restriction to the present invention just for convenience of description.As described in the above embodiment of the present invention, adopt component same or analogous with it and other drainage system of obtaining, all in protection domain of the present invention.
Claims (10)
1. body cavity drainage tube external member, it is characterized in that: it comprises the air bag protheca, trocar sheath, airbag inflation pipe, diluted liquid tube, air pressure adjustment pipe and body lumen wall sheath, the front end of described trocar sheath is evenly distributed with some conduction holes, described air bag protheca is set in the front end of described trocar sheath, and be provided with the perforate corresponding with described conduction hole, described airbag inflation pipe inserts in the described trocar sheath, and be connected with described air bag protheca, described diluted liquid tube inserts in the described trocar sheath, and head slightly stretches out from the front end of this trocar sheath, and be provided with the opening that allows the head of this diluted liquid tube expose at described air bag protheca, described air pressure adjustment pipe inserts in the described trocar sheath, until the front portion that extends to this trocar sheath, described body lumen wall sheath is arranged on the afterbody of described trocar sheath.
2. body cavity drainage tube external member according to claim 1 is characterized in that, the appearance profile of described conduction hole is one or more combinations in circular, square, prismatic or the strip.
3. body cavity drainage tube external member according to claim 1 is characterized in that, the appearance profile of described conduction hole is circular, and the diameter of this conduction hole is 3～8mm.
4. body cavity drainage tube external member according to claim 1 is characterized in that, the diameter of described trocar sheath is 5～20mm, and length is 150～400mm.
5. body cavity drainage tube external member according to claim 1, it is characterized in that, described air bag protheca is single layer structure, its marginal position is bonded in the lateral wall of described trocar sheath, make its medial wall and the lateral wall of this trocar sheath between form the air cavity of a sealing, described airbag inflation pipe is connected with this air cavity.
6. body cavity drainage tube external member according to claim 1 is characterized in that the front end face of described air bag protheca is provided with spherical surface hill, and described opening is positioned at a side of this spherical surface hill.
7. body cavity drainage tube external member according to claim 1, it is characterized in that, described body lumen wall sheath comprise a skin fixedly sheath and be arranged on the fixedly body on the sheath of this skin, this body is provided with the movable trepanning suitable with described trocar sheath, and described skin fixedly sheath is provided with a plurality of symmetrically arranged fixing holes in the center of circle that are.
8. body cavity drainage tube external member according to claim 7, it is characterized in that, the afterbody lateral surface of described trocar sheath is provided with to show the scale recess of its insertion depth, and in described movable trepanning, be provided with the snap ring suitable with this scale recess, be interference fit between this snap ring and the described trocar sheath.
9. body cavity drainage tube external member according to claim 1 is characterized in that it also comprises a pull rope, and pull rope one end stretches in the described trocar sheath, and is connected with the front end medial wall of this trocar sheath.
10. body cavity drainage tube external member according to claim 1, it is characterized in that, it also comprises negative-pressure drainage tube, this negative-pressure drainage tube inserts in the described trocar sheath, until the front portion that extends to this trocar sheath, the caliber of this negative-pressure drainage tube is greater than the caliber of diluted liquid tube, and this diluted liquid tube is consistent with the caliber size of described air pressure adjustment pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207294.0A CN103272321B (en) | 2013-05-30 | 2013-05-30 | Body cavity drainage tube suit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207294.0A CN103272321B (en) | 2013-05-30 | 2013-05-30 | Body cavity drainage tube suit |
Publications (2)
| Publication Number | Publication Date |
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| CN103272321A true CN103272321A (en) | 2013-09-04 |
| CN103272321B CN103272321B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310207294.0A Expired - Fee Related CN103272321B (en) | 2013-05-30 | 2013-05-30 | Body cavity drainage tube suit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158550A (en) * | 2017-07-04 | 2017-09-15 | 湖南凯利医疗科技有限公司 | Full balloon drainage-tube |
| CN107670160A (en) * | 2017-09-28 | 2018-02-09 | 杭州市第人民医院 | The drainage tube of surrounding tissue is destroyed when preventing from extracting |
| CN107823777A (en) * | 2017-09-12 | 2018-03-23 | 金华市中心医院 | Drainage tube fixation kit and its after surgery drainage in application and application method |
| CN109498097A (en) * | 2018-12-26 | 2019-03-22 | 中南大学湘雅三医院 | Rectum anal tube hemostasis drainage kit |
| CN109646727A (en) * | 2019-01-11 | 2019-04-19 | 宜昌市第人民医院（三峡大学人民医院） | Anti-reflux hollow decompression type surgical drainage tube |
| CN112169038A (en) * | 2020-10-26 | 2021-01-05 | 王卡 | Sectional type drainage device |
| CN113750353A (en) * | 2021-10-22 | 2021-12-07 | 中国人民解放军空军军医大学 | Novel pancreas indwelling drainage tube |
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| CN201658735U (en) * | 2010-04-27 | 2010-12-01 | 南京明基医院有限公司 | Local expanding gasbag catheter |
| CN202386750U (en) * | 2011-12-20 | 2012-08-22 | 杨发英 | Disposable guiding type suprapubic bladder puncture fistulization needle |
| CN202478249U (en) * | 2012-03-08 | 2012-10-10 | 张奇 | Thoracic cavity closed type drainage kit |
| WO2013003835A1 (en) * | 2011-06-30 | 2013-01-03 | Covidien Lp | Distal access aspiration guide catheter |
| CN203303395U (en) * | 2013-05-30 | 2013-11-27 | 中南大学湘雅三医院 | Body cavity drainage tube kit |
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Patent Citations (5)
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| CN201658735U (en) * | 2010-04-27 | 2010-12-01 | 南京明基医院有限公司 | Local expanding gasbag catheter |
| WO2013003835A1 (en) * | 2011-06-30 | 2013-01-03 | Covidien Lp | Distal access aspiration guide catheter |
| CN202386750U (en) * | 2011-12-20 | 2012-08-22 | 杨发英 | Disposable guiding type suprapubic bladder puncture fistulization needle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158550A (en) * | 2017-07-04 | 2017-09-15 | 湖南凯利医疗科技有限公司 | Full balloon drainage-tube |
| CN107823777A (en) * | 2017-09-12 | 2018-03-23 | 金华市中心医院 | Drainage tube fixation kit and its after surgery drainage in application and application method |
| CN107670160A (en) * | 2017-09-28 | 2018-02-09 | 杭州市第人民医院 | The drainage tube of surrounding tissue is destroyed when preventing from extracting |
| CN109498097A (en) * | 2018-12-26 | 2019-03-22 | 中南大学湘雅三医院 | Rectum anal tube hemostasis drainage kit |
| CN109646727A (en) * | 2019-01-11 | 2019-04-19 | 宜昌市第人民医院（三峡大学人民医院） | Anti-reflux hollow decompression type surgical drainage tube |
| CN112169038A (en) * | 2020-10-26 | 2021-01-05 | 王卡 | Sectional type drainage device |
| CN113750353A (en) * | 2021-10-22 | 2021-12-07 | 中国人民解放军空军军医大学 | Novel pancreas indwelling drainage tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103272321B (en) | 2016-08-31 |
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Granted publication date: 20160831 |