CN105999519A - Negative-pressure double-sleeve drainage tube - Google Patents
Negative-pressure double-sleeve drainage tube Download PDFInfo
- Publication number
- CN105999519A CN105999519A CN201610389057.4A CN201610389057A CN105999519A CN 105999519 A CN105999519 A CN 105999519A CN 201610389057 A CN201610389057 A CN 201610389057A CN 105999519 A CN105999519 A CN 105999519A
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- Prior art keywords
- inner sleeve
- sleeve
- trocar sheath
- negative
- drainage tube
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Classifications
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- 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
- A61M25/10—Balloon catheters
-
- A61M1/0023—
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
-
- 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
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- 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
- A61M2025/0008—Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/006—Catheters; Hollow probes characterised by structural features having a special surface topography or special surface properties, e.g. roughened or knurled surface
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Child & Adolescent Psychology (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to a negative-pressure double-sleeve drainage tube which comprises an outer sleeve and an inner dredging sleeve. The negative-pressure double-sleeve drainage tube is characterized in that a plurality of convex strips are evenly distributed on the inner side wall of an inner section of an outer sleeve body in the circumferential direction, holes are formed in the centers of the convex strips, the holes of the convex strips converge with and are communicated with a channel formed in the outer end side wall of the outer sleeve body, a circle of groove is formed in the inner wall of an outer section of the outer sleeve body in the circumferential direction, and an opening, corresponding to the channel, is formed in the groove and is communicated with the channel. After the technical scheme is adopted, it is ensured that the in-cavity position of the outer sleeve is not moved, various blockages such as blood clots, tissue fragments and mixed proteins are simply and effectively cleared, smooth drainage is easily restored, passive drainage is safely and efficiently changed into initiative drainage, a best drainage effect is achieved and is the priority among priorities of conservative treatment means, and accordingly possible second operation is avoided.
Description
Technical field
The invention belongs to medical drainage tube field, particularly belong to a kind of negative-pressure double-sleeve drainage tube.
Background technology
Drain is an important technology in medical science, it is achieved effective drainage is purpose.The most both at home and abroad
Major part hospital after thoracic cavity, abdominal operation or all kinds of organs and tissues are performed the operation more uses common rubber
Glue or silica gel drainage tube carry out drain, and this drainage tube tube chamber is because of this body structure and material
(material) reason, is easily blocked by blood clot and histiocyte protein aggregate, affects disease
Disease lapses to and postoperative disease observation and judgement；Occurring when fistula, it is impossible to effectively will be by
Dynamic drain upgrades to actively drain, along with quality of medical care requirement is improved constantly by doctor and patient,
It is therefore desirable to traditional drainage pipe is improved.
Summary of the invention
The technical problem to be solved is: the positions such as thoracic cavity lungs, heart, vertical diaphragm,
Abdominal part gastrointestinal, liver and gall, the recurrence complexity infection postoperative adequate drainage of hernia, and postoperative such as thoracic cavity,
Seroperitoneum, hematocele, leak, intestinal fistula, lacuna infect, the expectant treatment of abscess, it is achieved
The drain of big degree, then provide a kind of negative-pressure double-sleeve drainage tube according to above-mentioned content.
For solve above-mentioned technical problem, the present invention by the following technical solutions:
A kind of negative-pressure double-sleeve drainage tube, including trocar sheath and drain inner sleeve, it is characterised in that:
Internal section of medial wall of described trocar sheath is circumferentially uniformly distributed some raised lines, described raised line
Center has a hole, and the hole of described raised line and one are arranged in the outer section sidewall of outer casing tube body
Passage converges connection, and external section of inwall of described trocar sheath is along the circumferential direction provided with a circle groove,
In described groove, respective channel arranges opening, described opening and channel connection；Described drain inner sleeve
The sidewall of internal section of pipe is uniformly arranged several side openings, the external side of described drain inner sleeve
The input thing passage connected with outside input thing, the outfan of described input thing passage it is provided with in wall
The lateral wall and the position that are opened in drain inner sleeve are corresponding with groove, and the inwall of described trocar sheath is recessed
The position, the left and right sides of groove is in sealing contact with the outer wall of the correspondence position of drain inner sleeve, described in draw
The external end of stream inner sleeve connects with negative pressure device.
The middle part excircle of described drain inner sleeve is provided with a circle inflating balloon, described inflating balloon
Charge the internal diameter more than or equal to trocar sheath of the maximum cross-section diameter after gas, described inflating balloon
The inlet channel being arranged in drain inner sleeve sidewall with one is connected, and described inlet channel is from drawing
Stream inner sleeve sidewall is connected to the source of the gas of the external side of drain inner sleeve.
The input of described input thing passage uses unidirectional three-way pipe structure, described input thing passage
An input and fluid connection, another input of described input thing passage and air are even
Logical.
The end face of the internal end of described trocar sheath has central draft hole, described trocar sheath internal
The circumferential side wall of section has several side conduction holes, the side of internal section of described drain inner sleeve
It is provided with time conduction hole.
Described trocar sheath, with centre position as boundary, is spliced by silica gel and rubber.
The longitudinal section of the hole of described fixing raised line is fan-shaped.
Described trocar sheath and drain inner sleeve tube wall stringer are provided with metal developing bar, and graduated scale
Know.
Described drain inner sleeve is respectively equipped with one in the position of the left and right sides of respective slot
Sealing block.
Be provided with in described trocar sheath one for the dredging inner sleeve replacing drain inner sleeve, described
Dredging external section of inner sleeve is provided with a circle for covering the covering sealing block of the groove of trocar sheath,
The outfan of described dredging inner sleeve uses unidirectional three-way pipe structure, described dredging inner sleeve defeated
The secondary input end going out end connects with negative pressure, another secondary input of described dredging inner sleeve
End and atmosphere.
After using above technical scheme: the positions, thoracic cavity such as lungs, heart, vertical diaphragm and gastrointestinal,
Liver and gall, recurrence complexity infects the abdominal part such as hernia and stomach wall is postoperative, operation technique position or near list
Solely indwelling trocar sheath, this trocar sheath can be considered general drainage pipe, and routine connects drainage bag.If going out
The most such as a large amount of hydrops in thoracic cavity, abdominal cavity, hematocele, leak, intestinal fistula, fistula of operative incision, lacuna sense
Dye, abscess；And because blood clot, histiocyte fragment and albumen mix tamper blocking overcoat
Pipe, causes the most unobstructed, even in the case of plugging, it is ensured that do not move outer casing tube body intracavity position
Put, simple, be efficiently used dredging inner sleeve remove various such as blood clots, fragment of tissue and
Albumen mixes tamper, easily recovers adequate drainage, and method is as follows: connect negative by dredging inner sleeve
After pressure, stretch in trocar sheath, after dredging inner sleeve head end contacts tamper, operator's thumb
Close another opening opening at air, thus tamper is sucked out under suction function；Special
In the case of as fistula drain inner sleeve can be used safe efficient actively draw passively upgrading to
Stream, it is achieved optimal drainage effect is it is possible to avoid second operation, and method is as follows: by drain
Inner sleeve inserts in trocar sheath, owing to the inwall of trocar sheath is in the left and right sides of groove and inner tube
Correspondence position outer wall is in sealing contact, and the input thing of drain inner sleeve can only from input thing passage input
Enter in groove, thus be input to outer casing tube body inner segment by the opening of the passage of outer sleeve inner wall
Inwall fixes the hole of raised line, and then drain inner sleeve is connected with negative pressure device, carries out negative pressure master
Dynamic attraction drain, drain inner sleeve middle section position is provided with inflating balloon simultaneously, and inflating balloon exists
After inflation, the inner chamber of trocar sheath is isolated into drainage lumens and cleaning chamber, i.e. in drainage lumens
Mixing dirt will not flow backwards and be accumulated in cleaning chamber, thus avoid endoceliac retrograde infection.
Accompanying drawing explanation
Fig. 1 is the structural representation after drain inner sleeve of the present invention is installed into trocar sheath；
Fig. 2 is the structural representation of the trocar sheath of the present invention；
Fig. 3 is the structural representation of the drain inner sleeve of the present invention；
Fig. 4 is the structural representation of the dredging inner sleeve of the present invention.
Detailed description of the invention
See Fig. 1, Fig. 2 and Fig. 3 and Fig. 4,1, a kind of negative-pressure double-sleeve drainage tube, including
Trocar sheath 1 and drain inner sleeve 2, it is characterised in that: in internal section 3 of described trocar sheath 1
Sidewall is circumferentially uniformly distributed some raised lines 4, and the center of described raised line 4 has hole 5,
The hole 5 of described raised line 4 and a passage 6 being arranged in external section of 7 sidewalls of trocar sheath 1
Converging connection, external section of 7 inwalls of described trocar sheath 1 are along the circumferential direction provided with a circle groove 8,
In described groove 8, the input 31 of respective channel 6 arranges opening 9, and described opening 9 is with logical
Road 6 connects, and the sidewall of internal section 11 of described drain inner sleeve 2 is uniformly arranged several sides
Hole 12, is provided with in external section of 13 sidewalls of described drain inner sleeve 2 and connects with outside input thing
Input thing passage 14, the outfan 15 of described input thing passage 14 is opened in drain inner sleeve 2
Lateral wall and position corresponding with groove 8, the inwall of described trocar sheath 1 is in the left and right of groove 8
Two side positions are in sealing contact with the outer wall of the correspondence position of drain inner sleeve 2, described drain inner sleeve
The external end 16 of pipe 2 connects with negative pressure device.
Interpretation further optimizes for all parts of the present invention:
1, seeing Fig. 1, the middle part excircle of described drain inner sleeve 2 is provided with a circle inflatable ball
Capsule 17, described inflating balloon 17 charges the maximum cross-section diameter after gas more than or equal to overcoat
The internal diameter of pipe 1, described inflating balloon 17 and one are arranged in drain inner sleeve 2 sidewall
Inlet channel 18 connects, and described inlet channel 18 is connected in drain from drain inner sleeve 2 sidewall
The source of the gas 19 of sleeve pipe 2 external end 16 side, will isolate in trocar sheath after aerating gasbag 17 inflation
One-tenth drainage lumens 39 and cleaning chamber 38, the i.e. body fluid of outer casing tube body inner segment will not be from drainage lumens 39
Flow back to clean chamber 38.
2, seeing Fig. 3, the input 20 of described input thing passage 14 uses three-way pipe structure,
One input 21 of described input thing passage 14 and fluid connection, described input thing passage
Another input 22 and atmosphere of 14, introducing gas is to serve Pressure behaviour in pipe
Balanced action.
3, seeing Fig. 1, the end face of the internal end 23 of described trocar sheath 1 has central draft hole
24, the circumferential side wall of internal section 3 of described trocar sheath 1 has several side conduction holes 26,
The side of the internal end 27 of described drain inner sleeve 2 is provided with time conduction hole 28, central draft hole
The 24 internal body fluid of behaviour carry out drain, and time conduction hole 28 and side conduction hole 26 also function to simultaneously
The effect of drain.
4, seeing Fig. 2, described trocar sheath 1, with centre position as boundary, is spelled by silica gel and rubber
Connecing and form, external section 7 of trocar sheath 1 is silica gel, and internal section 3 of trocar sheath 1 is rubber.
5, the longitudinal section of the hole 5 of described raised line 4 is fan-shaped, outside sector structure enables to
Portion's input thing overflows with sector format.
6, seeing Fig. 1, described trocar sheath 1 and drain inner sleeve 2 tube wall stringer are provided with metal
Development bar, and scale marker.
7, seeing Fig. 1, described drain inner sleeve 2 is in the position of the left and right sides of respective slot 8
The place of putting is respectively equipped with a sealing block 29, and the present invention is here by sealing block, it is achieved in drain
Sleeve pipe 2 is tightly connected with trocar sheath 1 groove 8, i.e. the outside input of input thing passage 14
Thing can only enter groove 8, then passes sequentially through opening 9 and enters into passage 6, then arrives
The raised line 4 of trocar sheath 1, finally exports from the hole of raised line 4.
8, see Fig. 4, be provided with one in trocar sheath 1 for replacing dredging of drain inner sleeve 2
Logical inner sleeve 32, external section 33 of described dredging inner sleeve 32 is provided with a circle outside covering
The covering sealing block 34 of the groove 8 of sleeve pipe 1, the outfan 35 of described dredging inner sleeve 32
Use unidirectional three-way pipe structure, of the outfan 35 of described dredging inner sleeve 32 time input
End 36 and fluid connection, another two secondary input end 37 of described dredging inner sleeve 14 is with big
Gas connects, and dredging inner sleeve is stretched in trocar sheath, it is ensured that do not move outer casing tube body intracavitary locations,
Dredging inner sleeve is used simply, effectively to remove various such as blood clot, fragment of tissue and albumen
Mix tamper.
The design principle of the present invention: negative pressure can be strengthened drain and promote that tissue centration is assembled
Growing, this, after coeliac cavity internal organs generation fistula, is even more important, and drain inner sleeve is exactly this work
Core；Trocar sheath then plays isolation, it is to avoid inner sleeve directly contacts internal organs, causes two
Secondary damage and the situation such as hemorrhage.Details therein is: trocar sheath internal channel and internal hop count
The design of raised line makes flushing liquid may be uniformly distributed in drain inner chamber so that drain is more logical
Freely, efficiently；Inner sleeve one terminates negative pressure, and the other end is designed as unidirectional three-port structure so that liquid
Body and gas can independently enter tube chamber, the pressure between dynamic equilibrium turnover thing, last one end
Communicate with the air bag in the middle part of drain inner sleeve, after airbag aeration, isolation trocar sheath for cleaning chamber with
And drainage lumens, it is to avoid retrograde infection.
Beneficial effects of the present invention: the positions, thoracic cavity such as lungs, heart, vertical diaphragm and gastrointestinal,
Liver and gall, recurrence complexity infects the abdominal part such as hernia and stomach wall is postoperative, operation technique position or near list
Solely indwelling trocar sheath, this trocar sheath can be considered general drainage pipe, and routine connects drainage bag.If going out
The most such as a large amount of hydrops in thoracic cavity, abdominal cavity, hematocele, leak, intestinal fistula, fistula of operative incision, lacuna sense
Dye, abscess；And because blood clot, histiocyte fragment and albumen mix tamper blocking overcoat
Pipe, causes the most unobstructed, even in the case of plugging, it is ensured that do not move outer casing tube body intracavity position
Put, simple, be efficiently used dredging inner sleeve remove various such as blood clots, fragment of tissue and
Albumen mixes tamper, easily recovers adequate drainage, and method is as follows, connects negative by dredging inner sleeve
After pressure, stretch in trocar sheath, after dredging inner sleeve head end contacts tamper, operator's thumb
Close another opening opening at air, thus tamper is sucked out under suction function；Special
In the case of as fistula drain inner sleeve can be used safe efficient actively draw passively upgrading to
Stream, it is achieved optimal drainage effect is it is possible to avoid second operation, and method is as follows, by drain
Inner sleeve inserts in trocar sheath, owing to the inwall of trocar sheath is in the left and right sides of groove and inner tube
Correspondence position outer wall is in sealing contact, and the input thing of drain inner sleeve can only from input thing passage input
Enter in groove, thus be input to outer casing tube body inner segment by the opening of the passage of outer sleeve inner wall
Inwall fixes the hole of projection, and then drain inner sleeve is connected with negative pressure device, carries out negative pressure master
Dynamic attraction drain, drain inner sleeve middle section position is provided with inflating balloon simultaneously, and inflating balloon exists
After inflation, the inner chamber of trocar sheath is isolated into drainage lumens and cleaning chamber, i.e. in drainage lumens
Mixing dirt will not flow backwards and be accumulated in cleaning chamber, thus avoid endoceliac retrograde infection
Several nouns simultaneously for the present invention explain:
1) internal section, refer to that trocar sheath or drain inner sleeve are towards whole section of inside of human body one
Part；
2) internal end, refers to that trocar sheath or drain inner sleeve are at inside of human body end position；
3) external section, refer to that trocar sheath or drain inner sleeve are towards whole section of human external one
Part；
4) external end, refers to that trocar sheath or drain inner sleeve are at human external end position.
Claims (9)
1. a negative-pressure double-sleeve drainage tube, including trocar sheath (1) and drain inner sleeve (2),
It is characterized in that: internal section of (3) medial wall of described trocar sheath (1) is circumferentially uniformly distributed
Some raised lines (4), the center of described raised line (4) has hole (5), described raised line (4)
Hole (5) and a passage (6) being arranged in external section of (7) sidewall of trocar sheath (1)
Converging connection, described passage (6) leads to the external end (30) of trocar sheath (1), described outside
External section of (7) inwall of sleeve pipe (1) is along the circumferential direction provided with a circle groove (8), described recessed
The input (31) of groove (8) interior respective channel (6) arranges opening (9), described opening (9)
Connecting with passage (6), the sidewall of internal section (11) of described drain inner sleeve (2) is uniform
Several side openings (12) are set, in external section of (13) sidewall of described drain inner sleeve (2)
It is provided with input thing passage (14) connected with outside input thing, described input thing passage (14)
Outfan (15) be opened in the lateral wall of drain inner sleeve (2) and position is right with groove (8)
Should, the inwall of described trocar sheath (1) is in the position, the left and right sides of groove (8) and drain inner sleeve
The outer wall of the correspondence position of pipe (2) is in sealing contact, the external end of described drain inner sleeve (2)
(16) connect with negative pressure device.
A kind of negative-pressure double-sleeve drainage tube the most according to claim 1, it is characterised in that:
The middle part excircle of described drain inner sleeve (2) is provided with a circle inflating balloon (17), described in fill
Balloon capsule (17) charges the maximum cross-section diameter after gas more than or equal to trocar sheath (1)
Internal diameter, described inflating balloon (17) is arranged in drain inner sleeve (2) sidewall with one
Inlet channel (18) connects, and described inlet channel (18) is from drain inner sleeve (2) sidewall
It is connected to the source of the gas (19) of drain inner sleeve (2) external end (16) side.
A kind of negative-pressure double-sleeve drainage tube the most according to claim 1 and 2, its feature exists
In: the input (20) of described input thing passage (14) uses unidirectional three-way pipe structure, institute
Stating an input (21) and the fluid connection of input thing passage (14), described input thing leads to
Another input (22) in road (14) and atmosphere.
A kind of negative-pressure double-sleeve drainage tube the most according to claim 1 and 2, its feature exists
In: the end face of the internal end (23) of described trocar sheath (1) has central draft hole (24),
The circumferential side wall of internal section (3) of described trocar sheath (1) has several side conduction holes (26),
The side of the internal end (27) of described drain inner sleeve (2) is provided with time conduction hole (28).
A kind of negative-pressure double-sleeve drainage tube the most according to claim 1 and 2, its feature exists
In: described trocar sheath (1), with centre position as boundary, is spliced by silica gel and rubber, outward
External section (7) of sleeve pipe (1) are silica gel, and internal section (3) of trocar sheath (1) are rubber.
A kind of negative-pressure double-sleeve drainage tube the most according to claim 1 and 2, its feature exists
In: the longitudinal section of the hole (5) of described raised line (4) is fan-shaped.
A kind of negative-pressure double-sleeve drainage tube the most according to claim 1 and 2, its feature exists
In: described trocar sheath (1) and drain inner sleeve (2) tube wall stringer are provided with metal developing bar,
And scale marker.
A kind of negative-pressure double-sleeve drainage tube the most according to claim 1 and 2, its feature exists
In: described drain inner sleeve (2) is in the position difference of the left and right sides of respective slot (8)
It is provided with a sealing block (29).
A kind of negative-pressure double-sleeve drainage tube the most according to claim 1 and 2, its feature exists
In: it is provided with one in described trocar sheath (1) in the dredging replacing drain inner sleeve (2)
Sleeve pipe (32), external section (33) of described dredging inner sleeve (32) are provided with a circle for covering
The covering sealing block (34) of the groove (8) of lid trocar sheath (1), described dredging inner sleeve (32)
Outfan (35) use unidirectional three-way pipe structure, the output of described dredging inner sleeve (32)
One secondary input end (36) of end (35) and fluid connection, described dredging inner sleeve (14)
Another two secondary input end (37) and atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389057.4A CN105999519B (en) | 2016-06-02 | 2016-06-02 | Negative pressure double-sleeve drainage tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389057.4A CN105999519B (en) | 2016-06-02 | 2016-06-02 | Negative pressure double-sleeve drainage tube |
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| CN105999519A true CN105999519A (en) | 2016-10-12 |
| CN105999519B CN105999519B (en) | 2022-06-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115154864A (en) * | 2022-05-14 | 2022-10-11 | 河南沃迈生物科技有限公司 | Antibacterial anti-adhesion super-smooth drainage tube |
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| US6299593B1 (en) * | 2000-03-03 | 2001-10-09 | Akio Wakabayashi | Double and multiple lumen chest drainage tube |
| CN201105036Y (en) * | 2007-11-15 | 2008-08-27 | 李永霞 | Conduction indwelling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115154864A (en) * | 2022-05-14 | 2022-10-11 | 河南沃迈生物科技有限公司 | Antibacterial anti-adhesion super-smooth drainage tube |
| CN115154864B (en) * | 2022-05-14 | 2024-04-26 | 河南沃迈生物科技有限公司 | Antibacterial anti-adhesion ultra-smooth drainage tube |
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| CN105999519B (en) | 2022-06-24 |
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