CN106730073B - Closed double-cavity flushing negative pressure drainage device after perianal operation and use method - Google Patents
Closed double-cavity flushing negative pressure drainage device after perianal operation and use method Download PDFInfo
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- CN106730073B CN106730073B CN201710235953.XA CN201710235953A CN106730073B CN 106730073 B CN106730073 B CN 106730073B CN 201710235953 A CN201710235953 A CN 201710235953A CN 106730073 B CN106730073 B CN 106730073B
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- A61M1/0058—
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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
- 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
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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
- A61M25/0021—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
- 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
- A61M25/0067—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
- A61M25/0071—Multiple separate lumens
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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
- A61M25/1011—Multiple balloon catheters
-
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
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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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
- A61M3/0283—Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
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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
- A61M25/0021—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
- A61M2025/0039—Multi-lumen catheters with stationary elements characterized by lumina being arranged coaxially
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
- A61M2210/1067—Anus
Abstract
The invention provides a closed double-cavity flushing negative pressure drainage device after perianal operation. Including main drainage device that washes, main drainage device that washes includes main wash pipe and main drainage tube, more traditional single main drainage tube, this device postoperative at least a week can need not the art district change of dressings, and less patient is painful, more is close patient's surface of a wound, is convenient for fully wash and drain, and the necrotic tissue in art district is in time washed and drops and is absorbed the discharge, promotes the art district healing, reduces the art district and infects probability once more, reduces mental disorder such as stress, depression that the patient arouses because of the pain. The main drainage tube is arranged in the inner cavity of the main flushing tube in a penetrating way, an interlayer between the inner wall of the main flushing tube and the outer wall of the main drainage tube is a main flushing cavity, and the inner cavity of the main drainage tube is a main drainage cavity; the front end of the main flushing pipe is provided with a main spherical head, the main spherical head comprises a main spherical outer wall and a main spherical inner wall, the rear end of the main spherical outer wall is connected with the front end of the main flushing pipe, and the rear end of the main spherical inner wall is connected with the front end of the main drainage pipe.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and mainly relates to a closed double-cavity flushing negative pressure drainage device after perianal operation and a use method thereof.
Background
Perianal abscess, anal fistula and the like are frequently performed, the operation incision is positioned at the perianal part, the operation range is deeper around the rectum or passes through levator ani muscle, the operation range is not limited to one cavity, the operation is fully conducted after the operation, the wound surface is kept clean, the occurrence of deep dead cavities is prevented, and the healing of the wound surface can be better promoted; more importantly, if the surgical scope is deeper, patients can be intolerable during postoperative dressing change, unmatched or difficultly compliant fit occurs, dressing change is incomplete, dead space is easy to form, healing is slower, and even infection is caused again. Therefore, a double-cavity device which can be conveniently washed and drained after perianal operation and can continuously suck negative pressure is urgently needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a closed double-cavity flushing negative pressure drainage device after perianal operation and a use method thereof.
The technical scheme of the invention is as follows:
the utility model provides a closed double-chamber washing negative pressure drainage device behind anus week art, includes main washing drainage device, and main washing drainage device includes main wash pipe and main drainage tube, and main drainage tube wears to adorn in the inner chamber of main wash pipe, and the intermediate layer between the inner wall of main wash pipe and the outer wall of main drainage tube is main washing chamber, and the inner chamber of main drainage tube is main drainage chamber; the front end of the main flushing pipe is provided with a main spherical head, the main spherical head comprises a main spherical outer wall and a main spherical inner wall, the rear end of the main spherical outer wall is connected with the front end of the main flushing pipe, the rear end of the main spherical inner wall is connected with the front end of the main drainage pipe, the main spherical outer wall and the main spherical inner wall enclose a main arc cavity, and the main arc cavity is communicated with the main flushing cavity; the main spherical outer wall is provided with a plurality of main liquid outlet holes communicated with the main arc cavity, the main spherical head is provided with a plurality of main drainage holes penetrating through the inner wall and the outer wall of the main flushing cavity, and the main drainage holes are communicated with the main drainage cavity.
Preferably, the aperture of the main liquid outlet hole is smaller than that of the main drainage hole.
Preferably, the main flushing pipe and the main drainage pipe are coaxially sleeved.
Preferably, the front end of the main spherical head is provided with a plurality of branch joints, each branch joint comprises an outer wall connecting pipe which is arranged on the outer wall of the main spherical and communicated with the main arc-shaped cavity, an inner wall connecting pipe is sleeved in the inner cavity of the outer wall connecting pipe, the inner ends of the inner wall connecting pipes are connected with the inner wall of the main spherical, and the inner cavity of the inner wall connecting pipe is communicated with the main drainage hole.
Preferably, the branch joint is connected with a branch flushing drainage device, the branch flushing drainage device comprises a branch flushing pipe and a branch drainage pipe, the branch drainage pipe is arranged in an inner cavity of the branch flushing pipe in a penetrating way, an interlayer between the inner wall of the branch flushing pipe and the outer wall of the branch drainage pipe is a branch flushing cavity, and the inner cavity of the branch drainage pipe is a branch drainage cavity; the front end of the branch flushing pipe is provided with a branch spherical head, the branch spherical head comprises a branch spherical outer wall and a branch spherical inner wall, the rear end of the branch spherical outer wall is connected with the front end of the branch flushing pipe, the rear end of the branch spherical inner wall is connected with the front end of the branch drainage pipe, the branch spherical outer wall and the branch spherical inner wall enclose an arc-shaped cavity, and the arc-shaped cavity is communicated with the branch flushing cavity; the spherical outer wall of the branch is provided with a plurality of liquid separating holes communicated with the arc-shaped branch cavity, the spherical head of the branch is provided with a plurality of diversion holes penetrating through the inner wall and the outer wall of the branch flushing cavity, and the diversion holes are communicated with the diversion cavity; the aperture of the separating liquid hole is smaller than that of the separating drainage hole.
Preferably, the outer diameter of the outer wall connecting pipe is matched with the inner diameter of the branch flushing pipe, and the outer diameter of the inner wall connecting pipe is matched with the inner diameter of the branch drainage pipe.
Preferably, the distance between the inner wall connecting pipe and the main spherical outer wall is larger than the distance between the outer wall connecting pipe and the main spherical outer wall.
The application method of the closed double-cavity flushing negative pressure drainage device based on perianal operation comprises the following steps:
step S1: determining the incision size of a main cavity channel of an operation incision, the number of cavity dividing channels corresponding to the main cavity channel and the incision size of the cavity dividing channels according to the operation condition;
step S2: selecting a main flushing drainage device matched with the main cavity channel of the operation incision, the number of the sub-cavity channels and a sub-flushing drainage device matched with the incision size of the sub-cavity channel according to the incision size of the main cavity channel of the operation incision, the number of the sub-cavity channels and the incision size of the sub-cavity channel in the step S1;
step S3: the branch flushing drainage device in the step S2 is connected with a branch joint of the main flushing drainage device, and the redundant branch joint is plugged by a plug;
step S4: implanting the combined perianal operation closed double-cavity flushing negative pressure drainage device in the operation incision, wherein the main flushing drainage device is arranged in a main cavity channel, and the sub-flushing drainage device is arranged in a sub-cavity channel matched with the main cavity channel;
step S5: and flushing liquid is introduced into the main flushing cavity of the main flushing pipe, and the main drainage pipe is connected with the liquid collecting device.
The beneficial effects of the invention are as follows:
compared with the traditional single main drainage tube, the device has the following advantages: (1) At least one week after operation, the dressing change in the operation area can be omitted, and pain of patients is reduced. (2) The drainage device is close to the wound surface of a patient, and is convenient for full flushing and drainage. (3) Preventing dead space formation caused by poor drainage in high-level operation area and promoting healing in operation area. (4) Keep the wound surface of the operation area clean and is also beneficial to the healing of the operation area. (5) reduced hospital stay and reduced patient economic costs. (6) The necrotic tissue in the operation area is washed off in time and sucked and discharged, so that the healing of the operation area is promoted. (7) reducing the probability of reinfection in the operative field. (8) The pain of the patient is reduced, the follow-up treatment has good compliance, and the patients can eat and rest normally, thereby being beneficial to disease recovery. (9) Can reduce mental disorder such as mental stress and depression caused by pain.
Drawings
FIG. 1 is a perspective view of a schematic structural diagram of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a full cross-sectional view of FIG. 2;
fig. 4 is an enlarged view of a in fig. 3;
fig. 5 is an enlarged view of B in fig. 3;
in the figure: 1 is a main flushing pipe, 2 is a main spherical head, 3 is a branch flushing pipe, 4 is a branch spherical head, 5 is a main drainage pipe, and 6 is a branch drainage pipe; 11 is a main flushing cavity, 21 is a main liquid outlet hole, 22 is a main drainage hole, 23 is a main spherical outer wall, 24 is a main spherical inner wall, 25 is a main arc cavity, 26 is an outer wall connecting pipe, 27 is an inner wall connecting pipe, 31 is a branch flushing cavity, 41 is a branch liquid outlet hole, 42 is a branch drainage hole, 43 is a branch spherical outer wall, 44 is a branch spherical inner wall, 45 is a branch arc cavity, 51 is a main drainage cavity, and 61 is a branch drainage cavity.
Detailed Description
The utility model provides a closed double-chamber washing negative pressure drainage device behind anus week art, see fig. 1-5, including main washing drainage device, main washing drainage device includes main washing pipe 1 and main drainage tube 5, and main drainage tube 5 wears to adorn in the inner chamber of main washing pipe 1, and main washing pipe 1 and main drainage tube 5 coaxial suit.
The interlayer between the inner wall of the main flushing pipe 1 and the outer wall of the main drainage pipe 5 is a main flushing cavity 11, and the inner cavity of the main drainage pipe 5 is a main drainage cavity 51; the front end of the main flushing pipe 1 is provided with a main spherical head 2, the main spherical head 2 comprises a main spherical outer wall 23 and a main spherical inner wall 24, the rear end of the main spherical outer wall 23 is connected with the front end of the main flushing pipe 1, the rear end of the main spherical inner wall 24 is connected with the front end of the main drainage pipe 5, the main spherical outer wall 23 and the main spherical inner wall 24 enclose a main arc-shaped cavity 25, and the main arc-shaped cavity 25 is communicated with the main flushing cavity 11; the main spherical outer wall 23 is provided with a plurality of main liquid outlet holes 21 communicated with the main arc-shaped cavity 25, the main spherical head 2 is provided with a plurality of main drainage holes 22 penetrating through the inner wall and the outer wall of the main flushing cavity 11, and the main drainage holes 22 are communicated with the main drainage cavity 51.
The aperture of the main liquid outlet hole 21 is smaller than that of the main drainage hole 22, so that drainage is facilitated.
The front end of the main spherical head 2 is provided with a plurality of branch joints, each branch joint comprises an outer wall connecting pipe 26 which is arranged on the main spherical outer wall 23 and is communicated with the main arc-shaped cavity 25, an inner wall connecting pipe 27 is sleeved in the inner cavity of the outer wall connecting pipe 26, the inner ends of the inner wall connecting pipes 27 are connected with the main spherical inner wall 24, and the inner cavity of the inner wall connecting pipe 27 is communicated with the main drainage hole 22.
The branch joint is connected with a branch flushing drainage device, the branch flushing drainage device comprises a branch flushing pipe 3 and a branch drainage pipe 6, the branch drainage pipe 6 is arranged in the inner cavity of the branch flushing pipe 3 in a penetrating way, an interlayer between the inner wall of the branch flushing pipe 3 and the outer wall of the branch drainage pipe 6 is a branch flushing cavity 31, and the inner cavity of the branch drainage pipe 6 is a branch drainage cavity 61; the front end of the branch flushing pipe 3 is provided with a branch spherical head 4, the branch spherical head 4 comprises a branch spherical outer wall 43 and a branch spherical inner wall 44, the rear end of the branch spherical outer wall 43 is connected with the front end of the branch flushing pipe 3, the rear end of the branch spherical inner wall 44 is connected with the front end of the branch drainage pipe 6, the branch spherical outer wall 43 and the branch spherical inner wall 44 enclose a component arc-shaped cavity 45, and the component arc-shaped cavity 45 is communicated with the branch flushing cavity 31; the spherical outer wall 43 is provided with a plurality of liquid separating holes 41 communicated with the arc-shaped separating cavity 45, the spherical separating head 4 is provided with a plurality of diversion holes 42 penetrating through the inner wall and the outer wall of the flushing separating cavity 31, and the diversion holes 42 are communicated with the diversion cavity 61; the aperture of the tap hole 41 is smaller than the aperture of the tap hole 42.
The outer diameter of the outer wall connecting pipe 26 is matched with the inner diameter of the branch flushing pipe 3, and an interference fit connection mode can be adopted; the outer diameter of the inner wall connecting pipe 27 is matched with the inner diameter of the drainage tube 6, and an interference fit connection mode can be adopted. And the connection mode of interference fit is adopted, so that the connection is firm. The distance between the inner wall connecting pipe 27 and the main spherical outer wall 23 is larger than that between the outer wall connecting pipe 26 and the main spherical outer wall 23 (see fig. 4), so that the branch flushing drainage device is prevented from slipping off from the branch joint, and the connection is firmer.
The main flushing pipe 1, the main drainage pipe 5, the outer wall connecting pipe 26, the inner wall connecting pipe 27, the branch flushing pipes 3 and the branch drainage pipes 6 are all made of silica gel, and the silica gel pipe has certain elasticity and hardness and has good anti-blocking effect. The main spherical outer wall 23, the main spherical inner wall 24, the sub spherical outer wall 43 and the sub spherical inner wall 44 are all made of PVC materials, the PVC materials are softer, the sizes of the main spherical head 2 and the sub spherical head 4 can be adjusted through the pressure of flushing fluid in the main arc-shaped cavity 25 and the sub arc-shaped cavity 45, and the self-adaption capability is strong.
The application method of the closed double-cavity flushing negative pressure drainage device based on perianal operation comprises the following steps:
step S1: determining the incision size of a main cavity channel of an operation incision, the number of cavity dividing channels corresponding to the main cavity channel and the incision size of the cavity dividing channels according to the operation condition;
step S2: selecting a main flushing drainage device matched with the main cavity channel of the operation incision, the number of the sub-cavity channels and a sub-flushing drainage device matched with the incision size of the sub-cavity channel according to the incision size of the main cavity channel of the operation incision, the number of the sub-cavity channels and the incision size of the sub-cavity channel in the step S1;
step S3: the branch flushing drainage device in the step S2 is connected with a branch joint of the main flushing drainage device, and the redundant branch joint is plugged by a plug;
step S4: implanting the combined perianal operation closed double-cavity flushing negative pressure drainage device in the operation incision, wherein the main flushing drainage device is arranged in a main cavity channel, and the sub-flushing drainage device is arranged in a sub-cavity channel matched with the main cavity channel;
step S5: the main flushing cavity 11 of the main flushing pipe 1 is filled with flushing liquid, and the main drainage pipe 5 is connected with a liquid collecting device.
In actual operation, the sizes of the main spherical head 2 and the sub spherical head 4 are adjusted by adjusting the pressure of the flushing fluid flowing into the main arc-shaped cavity 25 and the sub arc-shaped cavity 45 according to the requirement so as to achieve the optimal drainage effect.
The above examples are merely illustrative of the preferred embodiments of the present invention, and various modifications and improvements to the technical solution of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the modifications and improvements fall within the scope of the invention as defined in the appended claims.
Claims (5)
1. The utility model provides a closed double-chamber washing negative pressure drainage device behind anus week operation, its characterized in that includes main washing drainage device, and main washing drainage device includes main washing pipe and main drainage tube, and main drainage tube wears to adorn in the inner chamber of main washing pipe, and the intermediate layer between the inner wall of main washing pipe and the outer wall of main drainage tube is main washing chamber, and the inner chamber of main drainage tube is main drainage chamber; the front end of the main flushing pipe is provided with a main spherical head, the main spherical head comprises a main spherical outer wall and a main spherical inner wall, the rear end of the main spherical outer wall is connected with the front end of the main flushing pipe, the rear end of the main spherical inner wall is connected with the front end of the main drainage pipe, the main spherical outer wall and the main spherical inner wall enclose a main arc cavity, and the main arc cavity is communicated with the main flushing cavity; the main spherical outer wall is provided with a plurality of main liquid outlet holes communicated with the main arc cavity, the main spherical head is provided with a plurality of main drainage holes penetrating through the inner wall and the outer wall of the main flushing cavity, and the main drainage holes are communicated with the main drainage cavity; the front end of the main spherical head is provided with a plurality of branch joints, each branch joint comprises an outer wall connecting pipe which is arranged on the outer wall of the main spherical and is communicated with the main arc cavity, an inner wall connecting pipe is sleeved in the inner cavity of the outer wall connecting pipe, the inner ends of the inner wall connecting pipes are connected with the inner wall of the main spherical, and the inner cavity of the inner wall connecting pipe is communicated with the main drainage hole; the branch joint is connected with a branch flushing drainage device, the branch flushing drainage device comprises a branch flushing pipe and a branch drainage pipe, the branch drainage pipe is arranged in an inner cavity of the branch flushing pipe in a penetrating manner, an interlayer between the inner wall of the branch flushing pipe and the outer wall of the branch drainage pipe is a branch flushing cavity, and the inner cavity of the branch drainage pipe is a branch drainage cavity; the front end of the branch flushing pipe is provided with a branch spherical head, the branch spherical head comprises a branch spherical outer wall and a branch spherical inner wall, the rear end of the branch spherical outer wall is connected with the front end of the branch flushing pipe, the rear end of the branch spherical inner wall is connected with the front end of the branch drainage pipe, the branch spherical outer wall and the branch spherical inner wall enclose an arc-shaped cavity, and the arc-shaped cavity is communicated with the branch flushing cavity; the spherical outer wall of the branch is provided with a plurality of liquid separating holes communicated with the arc-shaped branch cavity, the spherical head of the branch is provided with a plurality of diversion holes penetrating through the inner wall and the outer wall of the branch flushing cavity, and the diversion holes are communicated with the diversion cavity; the aperture of the separating liquid hole is smaller than that of the separating drainage hole.
2. The perianal closed type double-cavity flushing negative pressure drainage device according to claim 1, wherein the aperture of the main liquid outlet hole is smaller than that of the main drainage hole.
3. The perianal operation closed type double-cavity flushing negative pressure drainage device according to claim 2, wherein the main flushing pipe and the main drainage pipe are coaxially sleeved.
4. The perianal operation closed type double-cavity flushing negative pressure drainage device according to claim 1, wherein the outer diameter of the outer wall connecting pipe is matched with the inner diameter of the branch flushing pipe, and the outer diameter of the inner wall connecting pipe is matched with the inner diameter of the branch drainage pipe.
5. The perianal surgical closed type double-cavity irrigation negative pressure drainage device according to claim 4, wherein the distance between the inner wall connecting pipe and the main spherical outer wall is larger than the distance between the outer wall connecting pipe and the main spherical outer wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235953.XA CN106730073B (en) | 2017-04-12 | 2017-04-12 | Closed double-cavity flushing negative pressure drainage device after perianal operation and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235953.XA CN106730073B (en) | 2017-04-12 | 2017-04-12 | Closed double-cavity flushing negative pressure drainage device after perianal operation and use method |
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| CN106730073A CN106730073A (en) | 2017-05-31 |
| CN106730073B true CN106730073B (en) | 2023-09-12 |
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| CN108421110B (en) * | 2018-04-26 | 2020-08-14 | 青岛市第三人民医院 | Negative pressure gastric lavage device for paediatrics |
| CN109124703B (en) * | 2018-07-02 | 2021-01-01 | 青岛山大齐鲁医院（山东大学齐鲁医院（青岛）） | Lung cancer operation auxiliary device for medical oncology |
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| CN202892519U (en) * | 2012-11-19 | 2013-04-24 | 孙广智 | Stomach pump double-functional head for gastroenterology department |
| CN103691046A (en) * | 2014-01-03 | 2014-04-02 | 宫毅 | Surgery synchronous drainage apparatus and application thereof in minimally invasive surgery |
| CN204106683U (en) * | 2014-09-28 | 2015-01-21 | 十堰市太和医院 | A kind of peritoneal irrigation drain sepage management devices |
| CN205948169U (en) * | 2016-05-11 | 2017-02-15 | 郭雅� | Intestinal fistula drainage tube |
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