CN110464965B - Flushing drainage device for treating vesical vaginal fistula - Google Patents
Flushing drainage device for treating vesical vaginal fistula Download PDFInfo
- Publication number
- CN110464965B CN110464965B CN201910865276.9A CN201910865276A CN110464965B CN 110464965 B CN110464965 B CN 110464965B CN 201910865276 A CN201910865276 A CN 201910865276A CN 110464965 B CN110464965 B CN 110464965B
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- Prior art keywords
- outer tube
- guide strip
- tube
- flushing
- drainage
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 56
- 206010065813 Vaginal fistula Diseases 0.000 title description 3
- 206010016717 Fistula Diseases 0.000 claims abstract description 19
- 230000003890 fistula Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 206010046696 Urogenital fistula Diseases 0.000 claims abstract description 10
- 208000009089 Vesicovaginal Fistula Diseases 0.000 claims abstract description 10
- 230000002262 irrigation Effects 0.000 claims abstract description 10
- 238000003973 irrigation Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 17
- 238000005406 washing Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 3
- 210000001215 vagina Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 201000003146 cystitis Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000005906 menstruation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 235000008113 selfheal Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M25/0028—Multi-lumen catheters with stationary elements characterized by features relating to at least one lumen located at the proximal part of the catheter, e.g. alterations in lumen shape or valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M2025/0025—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter having a collapsible lumen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/0035—Multi-lumen catheters with stationary elements characterized by a variable lumen cross-section by means of a resilient flexible septum or outer wall
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Epidemiology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- External Artificial Organs (AREA)
Abstract
本发明公开了一种用于治疗膀胱阴道瘘的冲洗引流装置，属于引流用具技术领域。该冲洗引流装置包括外管，外管内设有导向条，导向条的一端铰接在外管位于瘘管内的一端中部，导向条的上下两个侧面上均固定连接有弹性隔膜，导向条下侧的弹性隔膜与外管的内壁密封连接后构成引流管，导向条上侧的弹性隔膜与外管的内壁密封连接后构成冲洗管，外管的外端通过三通分别连接有冲洗装置和负压引流装置，外管靠近外端的侧壁上还设有用于调节导向条位置的调节机构。本发明的冲洗引流管通过设置可以变换位置的导向条，实现在不增加冲洗引流管管径的同时使冲洗引流管能够转换为引流管或冲洗管，方便实用，降低临床操作难度，且提高了患者的舒适度。
The invention discloses a flushing and drainage device for treating vesicovaginal fistula, which belongs to the technical field of drainage appliances. The irrigation and drainage device comprises an outer tube, and a guide strip is arranged in the outer tube, one end of the guide strip is hinged to the middle of one end of the outer tube located in the fistula tract, and elastic diaphragms are fixedly connected to the upper and lower sides of the guide strip. The diaphragm and the inner wall of the outer tube are sealed and connected to form a drainage tube. The elastic diaphragm on the upper side of the guide strip is sealed and connected to the inner wall of the outer tube to form a flushing tube. , the side wall of the outer tube near the outer end is also provided with an adjustment mechanism for adjusting the position of the guide strip. The flushing and drainage tube of the present invention can be converted into a drainage tube or a flushing tube without increasing the diameter of the flushing and drainage tube by providing a guide strip that can change positions, which is convenient and practical, reduces the difficulty of clinical operation, and improves the performance of the flushing and drainage tube. Patient comfort.
Description
Technical Field
The invention relates to the technical field of drainage appliances, in particular to a flushing drainage device for treating vesicovaginal fistula.
Background
An abnormal fistula exists between the bladder and the vagina, called vesico-vaginal fistula, which clinically manifests as a continuous escape of the urethra; the bladder vagina fistula forms the back because of the bladder is invaded, the bladder infection rate is very high, timely bladder is washed, unobstructed to the urine drainage, alleviate the stimulation to the bladder mucosa, can self-heal after unobstructed bladder drainage, antibiotic conservative therapy of fistula aperture minor menstruation, can avoid the misery and other complications that the operation brought, the washing drainage device who is used for treating the vagina fistula among the prior art washes and separately operates with the drainage, the clinical operation degree of difficulty is big and increase patient's misery.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an irrigation drainage device for treating vesico-vaginal fistula.
The invention provides a flushing and drainage device for treating vesical vaginal fistula, which comprises an outer tube, wherein a guide strip is arranged in the outer tube, one end of the guide strip is hinged to the middle part of one end of the outer tube, which is positioned in a fistula, the other end of the guide strip extends to one end of the outer tube, which is positioned outside a human body, elastic diaphragms are fixedly connected to the upper side and the lower side of the guide strip, the elastic diaphragms on the lower side of the guide strip are hermetically connected with the inner wall of the outer tube and form a drainage tube together with the inner wall of the outer tube, the elastic diaphragms on the upper side of the guide strip are hermetically connected with the inner wall of the outer tube and form a flushing tube together with the inner wall of the outer tube, the outer end of the outer tube is respectively connected with a flushing device and a negative pressure drainage device through a tee joint, and an adjusting mechanism for adjusting the position of the guide strip is further arranged on the side wall of the outer tube, which is close to the outer end.
Preferably, the one end that the outer tube is located the fistula is the seal end, the one end that the outer tube is close to the seal end is equipped with a plurality of through-holes, the gib block articulates the seal end at the outer tube.
Preferably, the adjusting mechanism comprises an external threaded pipe arranged on the outer pipe, the external threaded pipe is in threaded connection with an adjusting cap, a traction rod is fixedly connected to the guide bar, one end of the traction rod is fixed to the guide bar, and the other end of the traction rod is arranged in the adjusting cap through a bearing.
Preferably, the adjusting mechanism is an electric push rod.
Preferably, the outer tube is a soft medical catheter.
Preferably, the inner surface of the outer tube and the outer surface of the elastic diaphragm are both provided with waterproof coatings.
Preferably, the outer surface of the outer tube is provided with a lubricating layer.
Compared with the prior art, the invention has the beneficial effects that: according to the flushing drainage device, the guide strip capable of changing the position is arranged in the flushing drainage tube, so that the flushing drainage tube can be quickly converted into the drainage tube or the flushing tube without increasing the diameter of the flushing drainage tube, convenience and practicability are realized, the clinical operation difficulty is reduced, and the comfort level of a patient is improved.
According to the invention, through the position change of the guide strip, the holding capacity of the drainage tube and the flushing tube is increased under the condition that the pipe diameter of the outer pipe is not changed, and the pipe diameter is gradually increased from inside to outside, so that the problem of pipeline blockage can be effectively avoided, and the impulsive force of flushing liquid can be increased;
according to the invention, the elastic diaphragms are arranged on the two sides of the guide strip, so that the position transformation of the guide strip is not influenced, and the complete separation of the two pipe bodies can be realized;
the guide strip is arranged in the middle of the outer pipe, can be used for flushing and conducting at the same time, and is suitable for the condition of less flushing liquid amount and drainage liquid amount;
the invention realizes the rapid adjustment of the position of the guide strip through the adjusting mechanism.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a state view of the guide strip of the present invention obliquely disposed to one side of the drain tube;
FIG. 4 is a view showing a state where the guide bar of the present invention is obliquely disposed toward one side of the washing pipe;
FIG. 5 is an enlarged view of part A-A of the first embodiment of the present invention;
FIG. 6 is a first cross-sectional view of the irrigation drain of the present invention;
FIG. 7 is a second cross-sectional view of the irrigation drain of the present invention;
FIG. 8 is a third cross-sectional view of the irrigation drain of the present invention;
fig. 9 is a mechanism diagram of the adjusting mechanism of the present invention.
Description of reference numerals:
1. the device comprises an outer pipe, 2 parts of a guide strip, 3 parts of an elastic diaphragm, 4 parts of a drainage pipe, 5 parts of a flushing pipe, 6 parts of a flushing device, 7 parts of a negative pressure drainage device, 8 parts of an adjusting mechanism, 81 parts of an external threaded pipe, 82 parts of an adjusting cap, 83 parts of a traction rod and 9 parts of a tee joint.
Detailed Description
Detailed description of the preferred embodimentsthe following detailed description of the present invention will be given with reference to the accompanying drawings 1-9, but it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention provides a flushing drainage device for treating vesicovaginal fistula, which comprises an outer tube 1, a guide strip 2 is arranged in the outer tube 1, one end of the guide strip 2 is hinged to the middle of one end of the outer tube 1 positioned in the fistula, the other end of the guide strip 2 extends to one end of the outer tube 1 positioned outside the human body, the upper and lower side surfaces of the guide strip 2 are fixedly connected with elastic diaphragms 3, the elastic diaphragms 3 at the lower side of the guide strip 2 are hermetically connected with the inner wall of the outer tube 1 and form a drainage tube 4 together with the inner wall of the outer tube 1, the elastic diaphragm 3 on the upper side of the guide strip 2 is connected with the inner wall of the outer tube 1 in a sealing way and forms a flushing tube 5 together with the inner wall of the outer tube 1, the outer end of the outer pipe 1 is respectively connected with a flushing device 6 and a negative pressure drainage device 7 through a tee joint 9, and an adjusting mechanism 8 for adjusting the position of the guide strip 2 is further arranged on the side wall of the outer pipe 1 close to the outer end.
In the embodiment, the guide strips 2 are arranged in the outer tube 1, the end parts of the guide strips 2 are hinged with the inner wall of the outer tube 1 through the hinged shaft, so that the guide strips 2 can move towards two directions to realize the separation of the outer tube 1 into two independent inner cavities which are respectively used as the drainage tube 4 and the flushing tube 5, the internal capacities of the drainage tube 4 and the flushing tube 5 are increased through the position change of the guide strips 2, the inner diameter of the outer tube 1 is not required to be increased, and the liquid of the two pipelines is sealed and isolated through the elastic membrane 3 without mutual influence and pollution, because the flushing drainage tube is required to be arranged in the fistula to realize better drainage and more thorough flushing, the insertion difficulty of the flushing drainage tube is smaller, the treatment comfort level of a patient is increased, but if the two tubes adopt two independent pipelines to perform intubation twice respectively to increase the pain of the patient, if the same pipeline is used for flushing and drainage, when a blockage blocks the pipeline in the drainage object, and then flushing is carried out, the blockage can be flushed into the fistula by flushing liquid, the purposes of thorough cleaning and drainage cannot be realized, and the smoothness of the fistula cannot be ensured, so that the drainage device can not only realize quick flushing and drainage by arranging the outer pipe 1 with a proper inner diameter, but also change the capacity of a drainage channel or a flushing channel in the outer pipe 1, and can avoid the risk of adsorption to peripheral tissues of the fistula under the action of negative pressure for the drainage tube because the inner diameters of the drainage tube and the flushing tube are gradually enlarged outwards from one end positioned in the fistula, and meanwhile, if a pus-shaped object or the blockage exists in the fistula, the pipeline blockage can be effectively avoided due to the gradual increase of the pipe diameter, and the drainage can be smoothly completed; for the flushing pipe, flushing liquid enters the end part of the flushing pipe positioned in the fistula through the outer end of the flushing pipe, more liquid can be contained due to the large diameter of a liquid inlet of the flushing pipe, but the pipe diameter is gradually reduced along with the inward pushing of the liquid and gathered towards the middle part, so that the pressure of the flushed liquid is increased, the pressurized liquid has certain impulsive force after flowing out of the drainage pipe, and the flushing effect is better;
it should be noted that the length of the guide bar 2 of the present invention is not less than the length of the outer tube 1, and the width of the guide bar 2 is less than the inner diameter of the outer tube 1, which can be specifically determined according to the requirement;
secondly, the guide strip 2 is arranged in the middle of the outer pipe 1, and can be used for flushing and draining at the same time, and the state is suitable for the condition that the flushing liquid amount and the drainage liquid amount are small.
Wherein, the one end that outer tube 1 is located the fistula is the seal end, the one end that outer tube 1 is close to the seal end is equipped with a plurality of through-holes, gib block 2 articulates the seal end at outer tube 1. When in washing, the liquid of the washing pipe is sprayed out from the through hole, so that the washing area and the washing efficiency are increased; during drainage, the through hole can avoid the damage of negative pressure to the peripheral tissue of fistula.
In order to change the position of the guide bar 2 without disassembling the tee, the adjusting mechanism 8 includes a male screw tube 81 provided on the outer tube 1, an adjusting cap 82 is screwed to the male screw tube 81, a draw bar 83 is fixedly connected to the guide bar 2, one end of the draw bar 83 is fixed to the guide bar 2, and the other end of the draw bar 83 is disposed in the adjusting cap 82 through a bearing.
Wherein, the adjusting mechanism 8 is an electric push rod.
Wherein the outer tube 1 is a soft medical catheter.
Wherein, the inner surface of the outer tube 1 and the outer surface of the elastic diaphragm 3 are both provided with waterproof coatings.
Wherein, the outer surface of the outer tube 1 is provided with a lubricating layer.
In summary, compared with the prior art, the invention has the beneficial effects that: according to the flushing drainage device, the guide strip capable of changing the position is arranged in the flushing drainage tube, so that the flushing drainage tube can be converted into the drainage tube or the flushing tube without increasing the diameter of the flushing drainage tube, convenience and practicability are realized, the clinical operation difficulty is reduced, and the comfort level of a patient is improved.
According to the invention, through the position change of the guide strip, the holding capacity of the drainage tube and the flushing tube is increased under the condition that the pipe diameter of the outer pipe is not changed, and the pipe diameter is gradually increased from inside to outside, so that the problem of pipeline blockage can be effectively avoided, and the impulsive force of flushing liquid can be increased;
according to the invention, the elastic diaphragms are arranged on the two sides of the guide strip, so that the position transformation of the guide strip is not influenced, and the complete separation of the two pipe bodies can be realized;
the guide strip is arranged in the middle of the outer tube, can be used for flushing and draining at the same time, and is suitable for the condition that flushing liquid and drainage liquid are less;
the invention realizes the rapid adjustment of the position of the guide strip through the adjusting mechanism.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910865276.9A CN110464965B (en) | 2019-09-12 | 2019-09-12 | Flushing drainage device for treating vesical vaginal fistula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910865276.9A CN110464965B (en) | 2019-09-12 | 2019-09-12 | Flushing drainage device for treating vesical vaginal fistula |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110464965A CN110464965A (en) | 2019-11-19 |
| CN110464965B true CN110464965B (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910865276.9A Expired - Fee Related CN110464965B (en) | 2019-09-12 | 2019-09-12 | Flushing drainage device for treating vesical vaginal fistula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110464965B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5156592A (en) * | 1990-04-04 | 1992-10-20 | Martin Geoffrey S | Pre-curved dual lumen catheter |
| US20080097350A1 (en) * | 2006-07-06 | 2008-04-24 | Bell Barbara A | Medical devices |
| CN203898822U (en) * | 2014-06-13 | 2014-10-29 | 百仕联创新医学技术（北京）有限公司 | Washing aspirator |
| CN104941053A (en) * | 2014-03-31 | 2015-09-30 | 杰拉德·莫斯 | Multi-lumen catheter |
| CN205759115U (en) * | 2015-12-30 | 2016-12-07 | 上海市第十人民医院 | A kind of band washes away the disposal sputum collecting cannula of function |
| CN206822682U (en) * | 2017-08-25 | 2018-01-02 | 张还添 | A kind of disposable knee joint cavity punctures and flusher |
| CN108245225A (en) * | 2016-12-29 | 2018-07-06 | 上海长海医院 | A kind of Multi-channel liquid, solid, gas intervention hose |
| CN208876614U (en) * | 2017-07-21 | 2019-05-21 | 西北妇女儿童医院 | A kind of adjustable laparoscope flushing suction device |
-
2019
- 2019-09-12 CN CN201910865276.9A patent/CN110464965B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5156592A (en) * | 1990-04-04 | 1992-10-20 | Martin Geoffrey S | Pre-curved dual lumen catheter |
| US20080097350A1 (en) * | 2006-07-06 | 2008-04-24 | Bell Barbara A | Medical devices |
| CN104941053A (en) * | 2014-03-31 | 2015-09-30 | 杰拉德·莫斯 | Multi-lumen catheter |
| CN203898822U (en) * | 2014-06-13 | 2014-10-29 | 百仕联创新医学技术（北京）有限公司 | Washing aspirator |
| CN205759115U (en) * | 2015-12-30 | 2016-12-07 | 上海市第十人民医院 | A kind of band washes away the disposal sputum collecting cannula of function |
| CN108245225A (en) * | 2016-12-29 | 2018-07-06 | 上海长海医院 | A kind of Multi-channel liquid, solid, gas intervention hose |
| CN208876614U (en) * | 2017-07-21 | 2019-05-21 | 西北妇女儿童医院 | A kind of adjustable laparoscope flushing suction device |
| CN206822682U (en) * | 2017-08-25 | 2018-01-02 | 张还添 | A kind of disposable knee joint cavity punctures and flusher |
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| Publication number | Publication date |
|---|---|
| CN110464965A (en) | 2019-11-19 |
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Granted publication date: 20211231 |