CN113750353B - Novel pancreas indwelling drainage tube - Google Patents
Novel pancreas indwelling drainage tube Download PDFInfo
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- CN113750353B CN113750353B CN202111232802.1A CN202111232802A CN113750353B CN 113750353 B CN113750353 B CN 113750353B CN 202111232802 A CN202111232802 A CN 202111232802A CN 113750353 B CN113750353 B CN 113750353B
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- drainage
- silica gel
- outer sleeve
- elastic
- sleeve
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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
- A61M25/1002—Balloon catheters characterised by balloon shape
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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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
- A61M2025/1004—Balloons with folds, e.g. folded or multifolded
Abstract
The invention provides a novel pancreas indwelling drainage tube, which comprises: the drainage tube comprises an extraction tube (2), an outer sleeve end (1) and an elastic silica gel sleeve (3), wherein one end of the extraction tube (2) is set to be a drainage end, and a plurality of drainage ports are formed in the drainage end; the outer sleeve end (1) comprises an outer sleeve (1-2) and an insertion end (1-1) arranged at the front end of the outer sleeve (1-2), the insertion end (1-1) is provided with a plurality of first drainage holes (1-1-3), the outer surface of the insertion end (1-1) is also provided with a plurality of first anti-skid elastic sheets (1-1-2), and the outer sleeve (1-2) is sleeved on the drainage end; the elastic silica gel sleeve (3) is sleeved on the eduction tube (2), the left end of the elastic silica gel sleeve is hermetically connected with the rear end of the outer sleeve (1-2), and the right end of the elastic silica gel sleeve is hermetically connected with the side wall of the eduction tube (2). The drainage tube can be prevented from falling off from the pancreatic duct in the using process, and the discomfort caused by the drainage tube when a patient moves is reduced as much as possible.
Description
Technical Field
The invention relates to medical supplies, in particular to a novel pancreas indwelling drainage tube.
Background
The pancreas is kept somewhere the drainage tube and is used for the patient to do the pancreas postoperative after, insert in the pancreas pipe in order to realize to pancreas liquid and medicine drainage, among the prior art, because the needs of recovered time, the time of drainage tube area on the human body is longer, because the patient moves about in the drainage process, cause the drainage tube to remove easily, including the outside removal that the drainage end deviates from the pancreas pipe and the inside removal towards the pancreas pipe, the torsion of certain angle etc. even, the drainage end that all can lead to the drainage tube forms direct effort to the pancreas pipe, make the drainage tube drop from the pancreas pipe easily, lead to the drainage failure, simultaneously along with the effect of drainage tube to the drainage end, still can bring the uncomfortable for the patient.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a novel pancreas indwelling drainage tube which can prevent the drainage tube from falling off from a pancreas tube in the using process and reduce the discomfort caused by the drainage tube when a patient moves.
The technical scheme of the invention is as follows: a novel pancreatic indwelling drainage tube comprising:
one end of the eduction tube is set as a drainage end, and a plurality of drainage ports are arranged on the drainage end;
the outer sleeve end comprises an outer sleeve and an insertion end arranged at the front end of the outer sleeve, the insertion end is used for inserting a pancreatic duct to conduct pancreatic juice drainage, the insertion end is communicated with the outer sleeve, a plurality of first drainage holes are formed in the insertion end, a plurality of first anti-skidding elastic sheets are further arranged on the outer surface of the insertion end, and the outer sleeve is sleeved on the drainage end;
and the elastic silica gel sleeve is sleeved on the eduction tube, the left end of the elastic silica gel sleeve is connected with the rear end of the outer sleeve in a sealing way, and the right end of the elastic silica gel sleeve is connected with the side wall of the eduction tube in a sealing way.
The outer surface of the outer sleeve is also provided with a plurality of second anti-slip elastic sheets, the second anti-slip elastic sheets are elastic silica gel layers covering the side wall of the outer sleeve, the edge of each elastic silica gel layer is connected with the side wall of the outer sleeve, air bags are arranged between each elastic silica gel layer and the side wall of the outer sleeve, each air bag is communicated with an inflation channel arranged inside the side wall of the outer sleeve, and the inflation channel is connected with an inflation and deflation joint; the air bag can be expanded by inflating and deflating the air charging connector, so that the elastic silica gel layer deforms and bulges, and the elastic silica gel layer is tightly attached to the internal tissues of a human body to play a role in skid resistance.
The first anti-skid elastic sheet is also an elastic silica gel layer; the surfaces of the first anti-slip elastic sheet elastic silica gel layer and the second anti-slip elastic sheet elastic silica gel layer are provided with anti-slip grains or anti-slip bulges.
The front end of the insertion end is designed into a blunt structure; the outer diameter of the outer sleeve pipe is gradually reduced from the middle part of the outer sleeve pipe to the front end of the outer sleeve pipe until the outer diameter of the joint of the outer sleeve pipe and the insertion end is equal to the outer diameter of the insertion end; the front end inside the outer sleeve is provided with a conical space with a small front end and a large rear end, and the front end of the drainage end is also provided with a conical structure to match with the conical space at the front end inside the outer sleeve; a plurality of drainage mouths on the drainage end are a plurality of second drainage holes or a plurality of drainage gaps distributed on the side wall of the drainage end.
The elastic silica gel sleeve is of a corrugated pipe structure so as to realize longer elastic stretching and elastic torsion functions.
And an annular sealing ring is arranged on the inner side wall of the rear end of the outer sleeve, and the outlet pipe is connected in the outer sleeve in a sliding sealing manner through the annular sealing ring.
The outer side wall of the rear end of the insertion end is provided with a convex edge around the circumferential direction of the insertion end, and a plurality of surgical needle suture positioning holes are arranged on the convex edge along the circumferential direction of the convex edge.
The side wall of the elastic silica gel sleeve is of a double-layer structure and comprises an inner silica gel layer and an outer silica gel layer, a closed gap is formed between the inner silica gel layer and the outer silica gel layer, an air inlet one-way valve only used for air inlet is arranged at the right end of the outer silica gel layer, an air outlet one-way valve only used for air outlet is arranged at the left end of the outer silica gel layer, the air inlet one-way valve and the air outlet one-way valve are communicated with the closed gap, and the air outlet one-way valve is connected with the air charging and discharging connector through a flexible conduit.
The invention has the beneficial effects that: the invention provides a novel pancreas indwelling drainage tube which can prevent the drainage tube from falling off from a pancreas tube in the using process and reduce discomfort brought to the drainage tube when a patient moves. The specific technical advantages include the following:
(1) In the using process, the eduction tube 2 is acted by the action force caused by the movement of the patient, when the eduction tube 2 moves back and forth (towards or away from the pancreatic duct), the drainage end of the eduction tube can move back and forth in the outer sleeve 1-2 for a certain distance, so that the buffer effect is achieved, the action force formed by the movement of the patient on the eduction tube 2 is prevented from being directly acted on the pancreatic duct and the human tissues of the pancreatic duct end through the drainage end, the drainage end is prevented from falling off from the pancreatic duct, and meanwhile, the eduction tube 2 can be restored to the original normal position again in the outer sleeve 1 under the action of the restoring force of the elastic silica gel sleeve along with the disappearance of the external action force, and the buffer effect provided by the elastic silica gel sleeve can prevent the direct impact of the eduction end of the eduction tube 2 from bringing discomfort to the patient when the eduction tube 2 moves.
(2) In the using process, the eduction tube 2 is rotated to a certain degree due to the rotation acting force (such as twisting the body) caused by the movement of a patient, the eduction tube 2 is twisted at a certain angle in the outer sleeve end 1, and meanwhile, the rotation force is buffered as far as possible by matching with the elastic twisting at a certain degree of the elastic silica gel sleeve, and is not obviously exerted on the outer sleeve end 1, so that the phenomenon that the drainage tube drops because the drainage tube transmits the twisting at a certain angle in the prior art and the twisting force is directly exerted on the pancreatic tube end through the drainage tube is avoided, and when the external twisting force disappears, the eduction tube 2 can rotate again in the outer sleeve end 1 and slowly restores to the original normal position under the action of the twisting restoring force of the elastic silica gel sleeve.
(3) After the insertion end 1-1 of the outer sleeve end is inserted into the pancreatic duct, the first anti-skid elastic sheet 1-1-2 on the insertion end 1-1 can increase the friction force between the insertion end 1-1 and the inner wall of the pancreatic duct, so that the insertion end 1-1 is prevented from falling off from the pancreatic duct as far as possible; in addition, when the anti-skid elastic pieces are implanted into a human body, the air bags below the second anti-skid elastic pieces 4 on the outer sleeve 1-2 can be inflated to expand and bulge to a certain degree and can be closely contacted with human tissues at one end of the pancreatic duct, so that the frictional binding force between the human tissues and the outer sleeve 1-2 is increased, and meanwhile, the frictional binding force can also consume the acting force of direct impact on the insertion end 1-1 when the extraction tube 2 is stressed, and further, the anti-skid elastic pieces are favorable for preventing the insertion end 1-1 from falling off from the pancreatic duct. The anti-skid lines or anti-skid protrusions arranged on the second anti-skid elastic sheet 4 can increase the friction force between the outer sleeve end 1 and human tissues.
(4) The outer side wall of the rear end of the insertion end 1-1 is provided with a convex edge 8 around the circumference, and the convex edge 8 is provided with a plurality of surgical needle suture positioning holes 8-1 along the circumference, so that a doctor can suture and position the drainage tube on an affected part conveniently and accurately after surgery.
(5) The invention can fill the air bag 5 under each second anti-skid elastic sheet 4 by the way of the elastic silica gel sleeve 3, and simultaneously plays a role in filling air into the air bag by utilizing the characteristic of elastic expansion of the elastic silica gel sleeve 3, thereby saving the troublesome operation of specially needing an inflating device and achieving two purposes.
Drawings
FIG. 1 is a schematic structural view of the present invention when not in drainage use (at this time, the second anti-slip dome is not deformed and raised);
FIG. 2 is a schematic structural view of the present invention in normal drainage use (when the second anti-slip dome is deformed and raised);
FIG. 3 is a schematic structural view showing the extension deformation of the elastic silicone sleeve when the outlet tube is pulled backward to move in use;
FIG. 4 is a schematic structural view showing that the drawout tube is compressed and deformed along with the elastic silicone sleeve when the drawout tube is pushed forward and moves in use;
FIG. 5 is a schematic structural view of the elastic silica gel case of the present invention in a normal length state when the elastic silica gel case is of a double-layer structure;
fig. 6 is a schematic structural view of the elastic silica gel case of the present invention in a two-layer structure, wherein the elastic silica gel case is elongated in length and in a suction state.
Detailed Description
One embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the invention is not limited to the embodiment.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 5, an embodiment of the present invention provides a novel pancreatic indwelling drainage tube, including: the drainage tube comprises an extraction tube 2, an outer sleeve end 1, an elastic silica gel sleeve 3 and the like, wherein one end of the extraction tube 2 is a drainage end, the other end of the extraction tube is used for communicating internal drainage or external drainage, and a plurality of drainage ports are formed in the drainage end; the outer sleeve end 1 comprises an outer sleeve 1-2 and an insertion end 1-1 arranged at the front end of the outer sleeve 1-2, the insertion end 1-1 is used for inserting pancreatic ducts to conduct pancreatic juice drainage, the insertion end 1-1 is communicated with the outer sleeve 1-2, the insertion end 1-1 is provided with a plurality of first drainage holes 1-1-3 used for introducing pancreatic juice, the outer surface of the insertion end 1-1 is further provided with a plurality of first anti-skid elastic sheets 1-1-2, the first drainage holes 1-1-3 are all arranged between the first anti-skid elastic sheets 1-1-2, and the outer sleeve 1-2 is sleeved on the drainage end; when the inserting end 1-1 of the outer sleeve end is inserted into a pancreatic duct in use, the first anti-skid elastic sheet 1-1-2 on the inserting end 1-1 can increase the friction force between the inserting end 1-1 and the inner wall of the pancreatic duct, so that the inserting end 1-1 is prevented from falling off from the pancreatic duct as far as possible; the elastic silica gel sleeve 3 is sleeved on the eduction tube 2, the left end of the elastic silica gel sleeve is connected with the rear end of the outer sleeve 1-2 in a sealing way, and the right end of the elastic silica gel sleeve is connected with the side wall of the eduction tube 2 in a sealing way. When the drainage tube is used for a human body, the drainage tube 2 can be subjected to acting force along with the movement of a patient, so that when the drainage tube 2 moves forwards and backwards (towards or away from a pancreatic duct), the drainage end of the drainage tube can move forwards and backwards in the outer sleeve 1-2 for a certain distance, a buffering effect is achieved, the acting force formed by the movement of the patient on the drainage tube 2 is prevented from being directly applied to the pancreatic duct and human tissues at the pancreatic duct end through the drainage end, the drainage end is prevented from falling off the pancreatic duct, meanwhile, the drainage tube 2 can be restored to the original normal position in the outer sleeve end 1 under the action of the restoring force of the elastic silica gel sleeve along with the disappearance of the external acting force, and the discomfort caused by the direct impact of the drainage end of the drainage tube 2 when the drainage tube 2 moves can be avoided at the same time through the buffering effect provided by the elastic silica gel sleeve. In addition, the patient may also cause the eduction tube 2 to receive a rotational acting force (such as twisting the body), which may cause the eduction tube 2 to rotate to a certain degree, the eduction tube 2 may twist to a certain angle in the sheath end 1, and simultaneously, the rotation force may be buffered as much as possible by matching with the elastic torsion of the elastic silicone sleeve to a certain degree, and may not be obviously applied to the sheath end 1, which avoids the problem that the drainage tube drops because the drainage tube transmits a certain angle of torsion in the prior art, and the torsion force is directly applied to the pancreatic tube end through the drainage tube, when the external torsion force disappears, the eduction tube 2 may rotate again in the sheath end 1 to slowly recover to the original normal position under the action of the torsion recovery force of the elastic silicone sleeve.
Furthermore, the outer surface of the outer sleeve 1-2 is also provided with a plurality of second anti-skid elastic sheets 4, the second anti-skid elastic sheets 4 are elastic silica gel layers covering the side walls of the outer sleeve 1-2, the edges of the elastic silica gel layers are connected with the side walls of the outer sleeve 1-2, air bags 5 are arranged between each elastic silica gel layer and the side walls of the outer sleeve 1-2, each air bag 5 is communicated with an air inflation channel 6 arranged inside the side walls of the outer sleeve 1-2, and the air inflation channel 6 is connected with an air inflation and deflation joint 7; the air bag 5 can be expanded by inflating air through the inflation and deflation joint 7, so that the elastic silica gel layer deforms and bulges, and is tightly attached to the internal tissues of the human body to play a role in skid resistance. When the anti-skid elastic pieces are implanted into a human body, the air bags below the second anti-skid elastic pieces 4 on the outer sleeve 1-2 can be inflated to expand and bulge to a certain degree and can be closely contacted with human tissues at one end of a pancreatic duct, so that the frictional binding force between the human tissues and the outer sleeve 1-2 is increased, and meanwhile, the frictional binding force can also consume the acting force of direct impact on the insertion end 1-1 when the extraction tube 2 is stressed, and further is favorable for preventing the insertion end 1-1 from falling off from the pancreatic duct. The anti-skid lines or anti-skid protrusions arranged on the second anti-skid elastic sheet 4 can obviously increase the friction force between the outer sleeve end 1 and human tissues. In this embodiment, each air bag 5 may also be inflated without using an additional inflation device, and the structure of the elastic silicone sleeve 3 may be modified to enable the elastic silicone sleeve 3 to have a function of inflating each air bag 5, specifically, referring to fig. 5, the side wall of the elastic silicone sleeve 3 is made into a double-layer structure, that is, the elastic silicone sleeve 3 includes an inner silicone layer 3-2 and an outer silicone layer 3-1, the right ends of the inner silicone layer 3-2 and the outer silicone layer 3-1 may both be fixedly connected to an annular connection edge 10 in a sealing manner, and the annular connection edge 10 is arranged on the extraction pipe 2 around the circumference of the extraction pipe 2. A closed gap 3-3 is formed between the inner silica gel layer 3-2 and the outer silica gel layer 3-1, an air inlet one-way valve 11 only used for air inlet is arranged at the right end of the outer silica gel layer 3-1, the air inlet one-way valve 11 is communicated with the closed gap 3-3 (wherein the air inlet one-way valve has the function of closing the airflow conduction of the air inlet one-way valve), an air outlet one-way valve 12 only used for air outlet is arranged at the left end of the outer silica gel layer 3-1 (wherein the air outlet one-way valve has the function of closing the airflow conduction of the air outlet one-way valve), the air outlet one-way valve 12 is also communicated with the closed gap 3-3, and the air outlet one-way valve 12 is connected with the air charging and discharging connector 7 through a flexible conduit 13. When in use, after the insertion end 1-1 of the embodiment is inserted into a pancreatic duct, the outer sleeve 1-2 is placed at a proper human tissue, at this time, one hand fixes the rear end of the outer sleeve 1-2 to keep the outer sleeve 1-2 from moving, the other hand holds the left end of the outlet 2 at the joint with the elastic silicone sleeve 3, the outlet 2 is pushed and pulled slightly back and forth to stretch and compress the elastic silicone sleeve 3 for a plurality of times, as shown in fig. 6, when the elastic silicone sleeve 3 is stretched, the closed gap 3-3 between the inner silicone layer 3-2 and the outer silicone layer 3-1 is enlarged to form an air suction cavity, so that air can be sucked into the air suction cavity from the air inlet one-way valve 11, when the elastic silicone sleeve 3 is compressed, the air in the air suction cavity is filled into each air bag 5 through the air outlet one-way valve 12, the flexible conduit 13, the air charging and discharging connector 7 and the air charging channel 6, so that each air bag 5 is expanded, each second anti-skidding elastic sheet 4 is tightly attached to the human tissue after each air bag 5 is expanded to a proper volume, then the air outlet one-way valve is closed, when the elastic silica gel sleeve 3 is restored to a normal length (as shown in the state of figure 5) under the action of the elasticity, the air charging one-way valve is closed, the whole drainage end is fixed in the human tissue, when the drainage tube needs to be taken out in the later period, the air can be automatically discharged from each air bag 5 only by disconnecting the flexible conduit and the air charging and discharging connector 7 or directly cutting off the flexible conduit, so that the outer sleeve 1-2 is not tightly combined with the human tissue any more, and the drainage end of the drainage tube can be taken out conveniently. The double-layer elastic silica gel sleeve 3 of the embodiment not only plays a corresponding buffering role, but also plays a role in inflating the air bag by utilizing the elastic expansion characteristic of the double-layer elastic silica gel sleeve, achieves the effect of killing two birds with one stone, and saves the troublesome operation of a special inflating device.
Furthermore, the first anti-skid elastic sheet 1-1-2 is also an elastic silica gel layer and has better elasticity and friction force contacting with a human body; the surfaces of the first anti-slip elastic sheet 1-1-2 elastic silica gel layer and the second anti-slip elastic sheet 4 elastic silica gel layer are provided with anti-slip grains or anti-slip bulges, so that the friction force between the anti-slip elastic sheets and human tissues can be further enhanced.
Furthermore, the front end 1-1-1 of the insertion end 1-1 is designed to be a blunt port structure, so that the pancreatic duct can be conveniently inserted without damaging the inner wall of the pancreatic duct; the outer diameter of the outer sleeve 1-2 is gradually reduced from the middle part to the front end thereof until the outer diameter of the joint with the insertion end 1-1 is equal to that of the insertion end 1-1, the shape of the front section in the outer sleeve is designed into a structure similar to a cone, so that the larger extrusion pressure on human tissues caused by the outer edge of the front end tip of the outer sleeve can be avoided as much as possible, and meanwhile, the contact force with the human tissues can be increased when the outer sleeve moves forwards; the front end of the interior of the outer sleeve 1-2 is set to be a conical space with a small front end and a large rear end, and the front end of the drainage end is also set to be a conical structure so as to be matched with the conical space at the front end of the interior of the outer sleeve 1-2; the end of the drainage end is at least provided with a drainage port (the drainage port is directly opposite to a pancreatic juice outlet at the end after the end 1-1 is inserted), and the drainage ports on the drainage end are a plurality of second drainage holes 2-1 or a plurality of drainage gaps 2-2 distributed on the side wall of the drainage end.
Further, the elastic silica gel sleeve 3 is of a corrugated pipe structure so as to realize longer elastic stretching and elastic twisting functions.
Furthermore, an annular sealing ring 9 is arranged on the inner side wall of the rear end of the outer sleeve 1-2, and the eduction tube 2 is connected in the outer sleeve 1-2 in a sliding sealing manner through the annular sealing ring 9, so that pancreatic juice is prevented from entering between the elastic silica gel sleeve 3 and the eduction tube 2.
Furthermore, the outer side wall of the rear end of the insertion end 1-1 is provided with a convex edge 8 around the circumference thereof, the convex edge 8 is provided with a plurality of surgical needle suture positioning holes 8-1 along the circumference thereof, which is convenient for a doctor to suture the drainage tube on an affected part accurately after an operation, and the convex edge 8 can also play a certain role in inserting the insertion end into a limit position.
In conclusion, the invention provides a novel pancreas indwelling drainage tube, which can avoid the drainage tube from falling off from a pancreas tube in the using process and reduce the uncomfortableness of the drainage tube to the patient when the patient moves. Specific technical advantages include the following:
(1) In the using process, the eduction tube 2 is acted by the action force caused by the movement of the patient, when the eduction tube 2 moves forwards and backwards (towards or away from the pancreatic duct), the drainage end of the eduction tube can move forwards and backwards at a certain distance in the outer sleeve 1-2, so that the buffer effect is achieved, the action force formed by the movement of the patient on the eduction tube 2 is prevented from being directly acted on the pancreatic duct and human tissues at the pancreatic duct end through the drainage end, and the drainage end is prevented from falling off from the pancreatic duct, meanwhile, the eduction tube 2 can be restored to the original normal position in the outer sleeve end 1 under the action of the restoring force of the elastic silica gel sleeve along with the disappearance of the external action force, and the buffer effect provided by the elastic silica gel sleeve can prevent the eduction tube 2 from directly impacting the patient to cause discomfort when moving.
(2) In the using process, the eduction tube 2 is rotated to a certain degree due to the rotation acting force (such as twisting the body) of the eduction tube 2 caused by the movement of a patient, the eduction tube 2 is twisted in the outer sleeve end 1 to a certain angle, and meanwhile, the rotation force is buffered as much as possible by matching with the elastic torsion of the elastic silica gel sleeve to a certain degree, and can not be obviously exerted on the outer sleeve end 1, so that the phenomenon that the drainage tube drops because the drainage tube transmits the torsion of a certain angle in the prior art, and the torsion force is directly exerted on the pancreatic tube end through the drainage tube is avoided.
(3) After the insertion end 1-1 of the outer sleeve end is inserted into the pancreatic duct, the first anti-skid elastic sheet 1-1-2 on the insertion end 1-1 can increase the friction force between the insertion end 1-1 and the inner wall of the pancreatic duct, so that the insertion end 1-1 is prevented from falling off from the pancreatic duct as far as possible; in addition, when the disposable anti-skidding type tracheal intubation device is implanted into a human body, the air bags below the second anti-skidding elastic sheets 4 on the outer casing pipes 1-2 can be inflated to expand and bulge to a certain degree and can be closely contacted with human tissues at one end of a pancreatic duct, so that the frictional binding force between the human tissues and the outer casing pipes 1-2 is increased, meanwhile, the frictional binding force can also consume the acting force of direct impact on the insertion end 1-1 when the extraction pipe 2 is stressed, and the insertion end 1-1 can be further prevented from falling off from the pancreatic duct. The anti-skid lines or anti-skid protrusions arranged on the second anti-skid elastic sheet 4 can increase the friction force between the outer sleeve end 1 and human tissues.
(4) The outer side wall of the rear end of the insertion end 1-1 is provided with a convex edge 8 around the circumference, and the convex edge 8 is provided with a plurality of surgical needle suture positioning holes 8-1 along the circumference, so that a doctor can suture and position the drainage tube on an affected part conveniently and accurately after surgery.
(5) The invention can fill the air bag 5 under each second anti-skid elastic sheet 4 by the way of the elastic silica gel sleeve 3, and simultaneously plays a role in filling air into the air bag by utilizing the characteristic of elastic expansion of the elastic silica gel sleeve 3, thereby saving the troublesome operation of specially needing an inflating device and achieving two purposes.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (5)
1. A novel pancreas indwelling drainage tube, which is characterized in that, comprises:
one end of the eduction tube (2) is set as a drainage end, and a plurality of drainage ports are arranged on the drainage end;
the pancreatic juice drainage device comprises an outer sleeve end (1) and a drainage end, wherein the outer sleeve end (1) comprises an outer sleeve (1-2) and an insertion end (1-1) arranged at the front end of the outer sleeve (1-2), the insertion end (1-1) is used for inserting a pancreatic duct to conduct pancreatic juice drainage, the insertion end (1-1) is communicated with the outer sleeve (1-2), the insertion end (1-1) is provided with a plurality of first drainage holes (1-1-3), the outer surface of the insertion end (1-1) is further provided with a plurality of first anti-skid elastic pieces (1-1-2), and the outer sleeve (1-2) is sleeved on the drainage end; the outer surface of the outer sleeve (1-2) is also provided with a plurality of second anti-skidding elastic sheets (4), the second anti-skidding elastic sheets (4) are elastic silica gel layers covering the side walls of the outer sleeve (1-2), the edges of the elastic silica gel layers are connected with the side walls of the outer sleeve (1-2), air bags (5) are arranged between each elastic silica gel layer and the side walls of the outer sleeve (1-2), each air bag (5) is communicated with an inflation channel (6) arranged inside the side walls of the outer sleeve (1-2), and the inflation channel (6) is connected with an inflation and deflation joint (7); the air bag (5) can be expanded by inflating air through the inflation and deflation joint (7), so that the elastic silica gel layer deforms and bulges, and is tightly attached to the internal tissues of the human body to play a role in skid resistance;
the elastic silica gel sleeve (3) is sleeved on the eduction tube (2), the left end of the elastic silica gel sleeve is hermetically connected with the rear end of the outer sleeve (1-2), and the right end of the elastic silica gel sleeve is hermetically connected with the side wall of the eduction tube (2); the elastic silica gel sleeve (3) is of a corrugated pipe structure so as to realize longer elastic stretching and elastic twisting functions; the lateral wall of elasticity silica gel cover (3) is bilayer structure, including interior silica gel layer (3-2) and outer silica gel layer (3-1), form between interior silica gel layer (3-2) and the outer silica gel layer (3-1) and seal clearance (3-3), the right-hand member on outer silica gel layer (3-1) is equipped with the check valve (11) that admits air that only is used for admitting air, and the left end on outer silica gel layer is equipped with the check valve (12) of giving vent to anger that only is used for giving vent to anger, admit air check valve (11) and give vent to anger check valve (12) all with seal clearance (3-3) are linked together, give vent to anger check valve (12) with fill gassing joint (7) and be connected through a flexible pipe (13).
2. The novel pancreas indwelling drainage tube according to claim 1, wherein the first anti-slip shrapnel (1-1-2) is also an elastic silica gel layer; the surfaces of the elastic silica gel layer of the first anti-skid elastic sheet (1-1-2) and the elastic silica gel layer of the second anti-skid elastic sheet (4) are provided with anti-skid grains or anti-skid protrusions.
3. The novel pancreas indwelling drainage tube according to claim 1, wherein the front end (1-1-1) of the insertion end (1-1) is provided with a blunt port structure; the outer diameter of the outer sleeve (1-2) is gradually reduced from the middle part to the front end thereof until the outer diameter of the joint of the outer sleeve and the insertion end (1-1) is equal to that of the insertion end (1-1); the front end of the interior of the outer sleeve (1-2) is set to be a conical space with a small front end and a large rear end, and the front end of the drainage end is also set to be a conical structure to be matched with the conical space of the interior front end of the outer sleeve (1-2); the drainage openings on the drainage end are a plurality of second drainage holes (2-1) or a plurality of drainage gaps (2-2) distributed on the side wall of the drainage end.
4. The novel pancreas indwelling drainage tube according to claim 1, wherein the inner side wall of the rear end of the outer cannula (1-2) is provided with an annular sealing ring (9), and the outlet tube (2) is connected in a sliding and sealing manner in the outer cannula (1-2) through the annular sealing ring (9).
5. The novel pancreas indwelling drainage tube according to claim 1, wherein the outer side wall of the rear end of the insertion end (1-1) is provided with a convex edge (8) around the circumference thereof, and the convex edge (8) is provided with a plurality of surgical needle suture positioning holes (8-1) along the circumference thereof.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111232802.1A CN113750353B (en) | 2021-10-22 | 2021-10-22 | Novel pancreas indwelling drainage tube |
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| CN202111232802.1A CN113750353B (en) | 2021-10-22 | 2021-10-22 | Novel pancreas indwelling drainage tube |
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| CN113750353A CN113750353A (en) | 2021-12-07 |
| CN113750353B true CN113750353B (en) | 2022-11-25 |
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Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2319068Y (en) * | 1998-04-20 | 1999-05-19 | 新汶矿业(集团)有限责任公司莱芜医院 | Guide device of drainage tube |
| CN2363714Y (en) * | 1998-12-24 | 2000-02-16 | 戴辉 | Double canula type therapeutic and preventive drainage tube for surgery |
| CN201223624Y (en) * | 2008-07-09 | 2009-04-22 | 中国人民解放军第二军医大学 | Antiskid duetus pancreaticus drainage tube |
| CN103272321B (en) * | 2013-05-30 | 2016-08-31 | 中南大学湘雅三医院 | Body cavity drainage tube suit |
| CN205126963U (en) * | 2015-11-17 | 2016-04-06 | 范永胜 | Special drainage device of hepatobiliary surgery |
| CN205235135U (en) * | 2015-12-18 | 2016-05-18 | 梁小红 | Double cannula washes drainage tube for surgery |
| CN105999519B (en) * | 2016-06-02 | 2022-06-24 | 温州施乐康医疗器械有限公司 | Negative pressure double-sleeve drainage tube |
| CN106492295B (en) * | 2016-12-30 | 2019-02-15 | 任建军 | For ductus pancreaticus supporting drainage and the integral type drainage tube of pancreas Zhou Yinliu |
| CN207323774U (en) * | 2017-01-25 | 2018-05-08 | 中国人民解放军总医院第一附属医院 | A kind of drainage system |
| CN207694068U (en) * | 2017-05-08 | 2018-08-07 | 中国人民解放军第三军医大学第二附属医院 | A kind of closed thoracic drainage tube |
| CN109173017A (en) * | 2018-09-11 | 2019-01-11 | 苏州科技城医院 | The pleural effusions and ascites puncture drainage tube of anti-blocking anticreep antiseepage |
| CN209361487U (en) * | 2018-12-06 | 2019-09-10 | 艾飞 | Irrigator for general surgeries |
| CN209827936U (en) * | 2019-04-12 | 2019-12-24 | 成都市第二人民医院 | V-shaped pancreas drainage tube |
| CN210631576U (en) * | 2019-06-05 | 2020-05-29 | 赵义军 | Double-sleeve drainage tube |
| CN210963510U (en) * | 2019-09-17 | 2020-07-10 | 毕益明 | Anti-blocking drainage tube for medical oncology |
| CN211096442U (en) * | 2019-10-29 | 2020-07-28 | 洛阳市中心医院（郑州大学附属洛阳中心医院） | Medical thoracic drainage tube |
| CN213698483U (en) * | 2020-11-03 | 2021-07-16 | 朱孝成 | Special inflatable stomach guiding tube for weight-reducing metabolic surgery |
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2021
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