CN217611287U - Interatrial septum stoma device - Google Patents
Interatrial septum stoma device Download PDFInfo
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- CN217611287U CN217611287U CN202220792529.1U CN202220792529U CN217611287U CN 217611287 U CN217611287 U CN 217611287U CN 202220792529 U CN202220792529 U CN 202220792529U CN 217611287 U CN217611287 U CN 217611287U
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- 210000004971 interatrial septum Anatomy 0.000 title claims abstract description 38
- 239000003814 drug Substances 0.000 claims abstract description 209
- 238000005520 cutting process Methods 0.000 claims abstract description 123
- 229940079593 drug Drugs 0.000 claims description 42
- 238000001179 sorption measurement Methods 0.000 claims description 27
- 230000001746 atrial effect Effects 0.000 claims description 10
- 230000001028 anti-proliverative effect Effects 0.000 claims description 7
- 239000003018 immunosuppressive agent Substances 0.000 claims description 6
- 229940124589 immunosuppressive drug Drugs 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 206010019280 Heart failures Diseases 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 206010024119 Left ventricular failure Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001647 drug administration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012840 feeding operation Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 206010030124 Oedema peripheral Diseases 0.000 description 1
- 206010037368 Pulmonary congestion Diseases 0.000 description 1
- 206010039163 Right ventricular failure Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 208000035850 clinical syndrome Diseases 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 230000001506 immunosuppresive effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002483 medication Methods 0.000 description 1
- 208000002815 pulmonary hypertension Diseases 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model discloses a interatrial septum stoma device, which belongs to the technical field of medical instruments. The utility model provides a interatrial septum incision device includes cutting cutter body and medicine carrying structure, and the cutting cutter body is provided with the through-hole along the axis direction, and the one end of cutting cutter body is the cutting end, and the other end is the link, and medicine carrying structure sets up on the outer wall of cutting cutter body, and medicine carrying structure is used for bearing the weight of the medicine. Be provided with the medicine carrying structure on this interatrial incision device, not only can carry out the cutting operation, and can carry out the operation of adding medicine after the cutting operation, the operation of adding medicine need not change the instrument, has simplified the operation step to a great extent, has improved operation efficiency, has shortened the operation time, does benefit to the patient and resumes.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a interatrial septum ostomy device.
Background
Heart failure (heart failure for short) is a complex group of clinical syndromes in which the filling of the ventricles or the ability to eject blood is impaired due to an abnormality in the structure or function of the heart. The main clinical manifestations of heart failure are dyspnea, weakness due to limited exercise tolerance and fluid retention due to pulmonary congestion and peripheral edema. Heart failure occurs in the severe and terminal stages of various heart diseases, is highly prevalent and is one of the most severe cardiovascular diseases today. There are specific categories of left heart failure, right heart failure and total heart failure according to the site of occurrence of heart failure.
An interatrial septum ostomy is a treatment for creating a shunt in the left and right heart rooms of a patient's atrioventricular stoma for treating pulmonary hypertension (right-to-left shunt) or left heart failure (left-to-right shunt), and has proven effective in a number of clinical trials. The doctor needs to form the reposition of redundant personnel mouth on the heart with the help of the operation cutting knife, waits the reposition of redundant personnel mouth to form the back, still needs to carry medicine to reposition of redundant personnel mouth department with the help of other utensils. In the prior art, an antiproliferative or immunosuppressive drug is generally coated on a balloon catheter and then is conveyed to a shunt opening, so that the drug is absorbed by tissues near the shunt opening, and the long-term smoothness of the shunt opening is kept. However, the operation process is complicated, the steps are more and the operation time is longer because the operation is carried out by using different devices for the stoma and the medicine application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a interatrial septum makes mouthful device, this interatrial septum makes mouthful device can carry out cutting operation and medicine loading operation, has simplified operation step, has shortened the operation time, has improved the operation effect.
To achieve the purpose, the utility model adopts the following technical proposal:
an atrial septal ostomy device comprising: the cutting knife comprises a cutting knife body, a knife handle and a knife blade, wherein the cutting knife body is provided with a through hole along the axis direction, one end of the cutting knife body is a cutting end, and the other end of the cutting knife body is a connecting end; the medicine carrying structure is arranged on the outer wall of the cutting knife body and used for carrying medicine.
Preferably, the medicine carrying structure is a medicine carrying groove formed in the outer wall of the cutting knife body.
Preferably, the medicine carrying groove is an annular groove arranged along the circumferential direction of the cutting knife body.
Preferably, the medicine carrying groove comprises a plurality of medicine carrying sub-grooves, and the medicine carrying sub-grooves are arranged along the circumferential direction or the cutting direction of the cutting knife body at intervals.
Preferably, the plurality of drug carrying grooves have different drug carrying depths and are used for carrying different types of drugs.
Preferably, an adsorption structure is arranged on the inner wall surface of the drug carrying groove, and the adsorption structure is used for adsorbing the drug.
Preferably, the adsorption structure is an adsorption film attached to the inner wall of the drug-carrying groove; or the adsorption structure is an adsorption rough surface, and the inner wall of the medicine carrying groove is configured to form the adsorption rough surface.
Preferably, the interatrial septum ostomy device further comprises the drug, the drug being disposed in the drug carrying structure, the drug comprising at least one of an antiproliferative drug and an immunosuppressive drug.
Preferably, the bottom surface of the medicine carrying groove is an inclined surface, and the medicine carrying depth of the medicine carrying groove is gradually reduced along the cutting direction.
Preferably, the cutting knife body comprises a first portion and a second portion which are connected in a ladder shape, the first portion and the second portion are cylindrical, the outer diameter of the first portion is larger than that of the second portion, one end, far away from the second portion, of the first portion is the cutting end, one end, far away from the first portion, of the second portion is the connecting end, and the medicine carrying structure is arranged on the outer wall of the first portion.
Preferably, the through hole comprises a first hole and a second hole which are connected in a stepped manner, the first hole is positioned in the first portion, at least part of the second hole is positioned in the second portion, and the inner diameter of the first hole is larger than that of the second hole.
The utility model has the advantages that:
the utility model provides a device is made at interatrial interval, this device is made at interatrial interval include cutting cutter body and medicine carrying structure, and the cutting cutter body is provided with the through-hole that runs through along the axis direction, and the one end of cutting cutter body is the cutting end, and the other end is the link, and medicine carrying structure sets up on the outer wall of cutting cutter body, and medicine carrying structure is used for bearing the weight of the medicine. Be provided with the medicine carrying structure on this interatrial incision device, not only can carry out the cutting operation, and can carry out the operation of adding medicine after the cutting operation, the operation of adding medicine need not change the instrument, has simplified the operation step to a very big extent, has improved operation efficiency, has shortened the operation time, does benefit to the patient and resumes.
Drawings
FIG. 1 is a schematic view of a compartmental ostomy device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the interatrial septum ostomy device according to the second embodiment of the present invention;
FIG. 3 is a schematic view of the interatrial septum ostomy device of the present invention during an ostomy operation;
fig. 4 is a schematic view of the interatrial septum ostomy device provided by the present invention during the loading operation.
In the figure:
100. a cutter body; 110. a through hole; 111. a first hole; 112. a second hole; 113. a third aperture; 120. a cutting blade; 130. A first part; 140. A second section;
200. a drug loading groove; 210. A medicine carrying sub-tank;
300. and (4) organizing.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of 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. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
the present embodiment provides a interatrial septum ostomy device for performing an ostomy operation and a drug administration operation in a interatrial septum ostomy. Of course, the interatrial septum ostomy device can be used in other operations according to requirements besides being used for interatrial septum ostomy, the specific use scene is not limited, and the interatrial septum ostomy device provided by the embodiment is suitable for the operation which needs cutting operation and medicine feeding operation at the same time.
Specifically, as shown in fig. 1, the interatrial septum ostomy device includes a cutting blade body 100 and a drug carrying structure. Wherein, the cutting knife body 100 is the columnar structure, is provided with through-hole 110 on the cutting knife body 100 along the axis direction, and the one end of cutting knife body 100 is the cutting end, is provided with the cutting edge 120 that is used for making a mouthful on the cutting end, and the other end of cutting knife body 100 is the link, can be connected with conveying tool through connecting end cutting knife body 100, thereby the doctor can carry cutting knife body 100 to the target position through conveying tool and make a mouthful operation and go up the operation of medicine. Medicine carrying structure sets up on the outer wall of the cutting knife body 100 to guarantee to make mouthful device and accomplish at the interatrial and make mouthful and to go on in order after the operation and go on the medicine operation. The medicine carrying structure is used for carrying medicine, and after the incision operation is completed by the cutting blade 120, the interatrial septum ostomy device continues to move until the medicine carrying structure moves to the incision, so that the medicine is released at the incision to play a role.
Compare in prior art and utilize two completely independent instruments to go to carry out respectively that the operation process that the operation of making a mouthful caused with the operation of adding medicine is loaded down with trivial details and the problem of the inefficiency of operation, this embodiment is through directly setting up the medicine carrying structure on the cutting knife body 100 of interatrial septum ostomy device to make cutting blade 120 accomplish to make and to go on in order after the operation of making a mouthful (as shown in fig. 3 and fig. 4), because do not need the change instrument between the operation of making a mouthful and the operation of adding medicine, consequently can simplify the operation step, shorten the operation duration, improve operation efficiency, the improvement of operation efficiency does benefit to patient's postoperative and resumes.
It should be noted that in this embodiment, the drug carried by the drug carrying structure includes an antiproliferative drug or an immunosuppressive drug, and the administration of the drug to the incision can slow the healing speed of the incision, so as to maintain the long-term smoothness of the formed shunt opening. Of course, in other embodiments, if the interatrial septum ostomy device is used to perform other procedures, the medication carried in the drug carrying structure may be replaced as desired and is not limited to antiproliferative and immunosuppressive medications.
Specifically, with continued reference to fig. 1, in the present embodiment, the cutting blade body 100 includes a first portion 130 and a second portion 140 connected in a stepped manner. First portion 130 and second portion 140 are all cylindric, and the external diameter of first portion 130 is greater than the external diameter of second portion 140, and the one end that second portion 140 was kept away from to first portion 130 is the cut end, and the one end that first portion 130 was kept away from to second portion 140 is the link. And through setting up the cutting knife body 100 to the ladder column, make conveying tool can overlap and establish on second portion 140 to the location supports on the ladder face, thereby can improve this interatrial septum ostomy device and conveying tool's stability of being connected.
Further, the through hole 110 disposed in the cutting blade body 100 is a first hole 111 and a second hole 112 connected in a stepped manner, wherein the first hole 111 is located inside the first portion 130, at least a portion of the second hole 112 is located inside the second portion 140, and an inner diameter of the first hole 111 is larger than an inner diameter of the second hole 112. In this embodiment, the length of the first hole 111 is smaller than the length of the first portion 130 of the cutting blade body 100, and the length of the second hole 112 is larger than the length of the second portion 140 of the cutting blade body 100, so that the inner step surface and the outer step surface respectively formed at the inner side and the outer side of the cutting blade body 100 can be arranged in a staggered manner, thereby not only making the thickness of the cutting blade body 100 uniform, but also ensuring that the structural strength of the joint of the first portion 130 and the second portion 140 is large, and preventing the atrial septal incision device from being deformed or broken during operation.
Alternatively, in the present embodiment, at least a portion of the first portion 130 has a gradually decreasing thickness along the cutting direction to form the cutting blade 120 at the cutting end, the cutting blade 120 is a circular ring with a very small width, and when the surgeon aligns the cutting end with the tissue 300 to be cut and applies a force, the cutting blade 120 can rapidly form a hole structure on the tissue 300 to be cut, thereby completing the stoma operation and forming a shunt opening.
To form the cutting blade 120, as shown with continued reference to fig. 3 and 4, the through-hole 110 further includes a third hole 113, the third hole 113 is disposed in the first portion 130, and the third hole 113 and the second hole 112 are located at both sides of the first hole 111, in this embodiment, the third hole 113 is a tapered hole, and a small-sized end of the third hole 113 is connected to the first hole 111. Of course, in other embodiments, the cutting blade 120 may be configured in other shapes according to the requirement, and is not limited to the circular ring surface in the embodiment.
Optionally, in this embodiment, the medicine carrying structure is a medicine carrying groove 200 formed on an outer wall surface of the cutting blade body 100, specifically, the medicine carrying groove 200 is formed on an outer wall surface corresponding to the first portion 130, and the medicine carrying groove 200 is used for carrying medicine. Through direct fluting formation medicine carrying structure on cutting knife body 100, not only the processing mode is simple, can not lead to the interatrial septum to make the structure of mouthful device complicated, and because medicine carrying groove 200 is fixed in position on cutting knife body 100, can not take place to remove, consequently sets up medicine carrying structure for medicine carrying groove 200 is favorable to improving the stability of its interior medicine.
Further alternatively, as shown with continued reference to fig. 1, in the present embodiment, the medicine carrying groove 200 is an annular groove disposed along the circumferential direction of the cutting blade body 100. The annular groove has large medicine carrying capacity and simple manufacturing mode.
Further, since the types of the medicines to be used at the incision may be various, a plurality of medicine carrying grooves 200 may be formed in the outer wall surface of the cutting knife body 100 along the cutting direction according to the requirements, and each medicine carrying groove 200 is an annular groove. The medicines carried in the medicine carrying grooves 200 may be the same or different. The depth of the drug loaded in each drug loading groove 200 can be the same or different. The capacity of each drug loading slot 200 may be the same or different. In this embodiment, the quantity at medicine carrying groove 200 is selected according to the medicine type that needs bore, and each medicine carrying groove 200 is used for bearing a medicine, and every medicine carrying groove 200 is the annular groove, and the width of every annular groove is the same, the medicine carrying depth is different to make the capacity of every medicine carrying groove 200 also different, the capacity of medicine carrying groove 200 with the quantity phase-match of medicine in it.
Further, medicine carrying groove 200 includes three internal face, and three internal face is the lateral wall face and a tank bottom surface of two relative settings respectively, and in order to avoid the medicine in medicine carrying groove 200 to drop to non-incision position, medicine carrying groove 200's internal face is provided with adsorption structure, and adsorption structure is used for adsorbing the medicine to reach the purpose of avoiding the medicine to drop from medicine carrying groove 200. Alternatively, the adsorption structure may be a solid structure such as an adsorption film coated or provided on the inner wall surface, but of course, the adsorption structure may be an adsorption rough surface that is a rough surface having an adsorption effect formed by increasing the surface roughness of the inner wall surface, in addition to the solid structure. Or, also can mix medicine and polymer then spray to the medicine carrying groove in, can increase the viscidity of medicine through the polymer to make the medicine can stably place in medicine carrying groove 200, reach the purpose of avoiding the medicine to drop from medicine carrying groove 200.
Optionally, the depth of each place in the medicine carrying groove 200 may be the same or different, and in this embodiment, the groove bottom surface is set to be an inclined surface, so that the depth of each place in the medicine carrying groove 200 is different, and the medicine in the medicine carrying groove 200 can be attached to the incision as much as possible. Specifically, in this embodiment, along the cutting direction, the groove bottom face inclines towards the direction that deviates from the axis direction to make the medicine carrying depth of medicine carrying groove 200 reduce gradually, at the in-process of scribbling the medicine, the incision gets into the tissue 300 in the medicine carrying can push the medicine back the upper side in the process of contacting with the medicine, thereby makes as much medicine as possible glue on the tissue 300 at incision.
The second embodiment:
the present embodiment provides a interatrial septum ostomy device for performing an ostomy operation and a drug administration operation in a interatrial septum ostomy. Of course, besides being used for interatrial septum ostomy, the interatrial septum ostomy device can also be used in other operations according to requirements, specific use scenes are not limited, and the interatrial septum ostomy device provided by the embodiment is applicable to any operation which needs cutting operation and medicine feeding operation.
Specifically, as shown in fig. 2, the interatrial septum ostomy device includes a cutting blade body 100 and a drug carrying structure. Wherein, the cutting knife body 100 is the columnar structure, is provided with through-hole 110 on the cutting knife body 100 along the axis direction, and the one end of cutting knife body 100 is the cutting end, is provided with the cutting edge 120 that is used for making a mouthful on the cutting end, and the other end of cutting knife body 100 is the link, can be connected with conveying tool through connecting end cutting knife body 100, thereby the doctor can carry the interatrial mouth making device to the target position through conveying tool and make a mouthful operation and the operation of adding medicine to. The medicine carrying structure sets up on the outer wall of cutting knife body 100 to along cutting direction medicine carrying structure setting at cutting blade 120's rear, thereby guarantee to make the device accomplish at interatrial and make mouthful and to go on in order and operate after making mouthful. The medicine carrying structure is used for carrying medicine, and after the incision operation is completed by the cutting blade 120, the interatrial septum ostomy device continues to move until the medicine carrying structure moves to the incision, so that the medicine is released at the incision to play a role.
Compare in prior art and utilize two completely independent instruments to go to carry out the surgery process that the operation of making a mouthful and the operation of adding medicine causes respectively loaded down with trivial details and the problem of the inefficiency of operation, this embodiment is through directly setting up the medicine carrying structure on interatrial septum ostomy device's cutting knife body 100, thereby make interatrial septum ostomy device accomplish to go on in order after the operation of making a mouthful (as shown in fig. 3 and fig. 4), because do not need the change instrument between the operation of making a mouthful and the operation of adding medicine, consequently can simplify the operation step, shorten the operation duration, improve operation efficiency, the improvement of operation efficiency does benefit to patient's postoperative and resumes.
It should be noted that in this embodiment, the drug carried by the drug carrying structure includes an antiproliferative drug or an immunosuppressive drug, and applying the drug to the incision can slow down the healing speed of the incision, so as to maintain the opening of the formed shunt for a long time. Of course in other embodiments, if the interatrial septum ostomy device is used to perform other procedures, the medication carried in the drug carrying structure may be replaced as desired and is not limited to antiproliferative and immunosuppressive drugs.
Specifically, with continued reference to fig. 2, in the present embodiment, the cutting blade body 100 includes a first portion 130 and a second portion 140 connected in a stepped manner. First portion 130 and second portion 140 all are cylindricly, and the diameter of first portion 130 is greater than the diameter of second portion 140, and the one end that second portion 140 was kept away from to first portion 130 is the cutting end, and the one end that first portion 130 was kept away from to second portion 140 is the link, and medicine carrying structure sets up in the outer wall of first portion 130. And through setting up the cutting knife body 100 to the ladder column, make conveying tool can overlap and establish on second portion 140 to the location supports on the ladder face, thereby can improve this interatrial septum ostomy device and conveying tool's stability of being connected.
Further, the through hole 110 provided in the cutting blade body 100 is a first hole 111 and a second hole 112 connected in a stepped manner, wherein the first hole 111 is located inside the first portion 130, at least a portion of the second hole 112 is located inside the second portion 140, and an inner diameter of the first hole 111 is larger than an inner diameter of the second hole 112. In this embodiment, the length of the first hole 111 is smaller than the length of the first portion 130 of the cutting blade body 100, and the length of the second hole 112 is larger than the length of the second portion 140 of the cutting blade body 100, so that the inner step surface and the outer step surface respectively formed at the inner side and the outer side of the cutting blade body 100 can be arranged in a staggered manner, thereby not only making the thickness of the cutting blade body 100 uniform, but also ensuring that the structural strength of the joint of the first portion 130 and the second portion 140 is large, and preventing the atrial septal incision device from being deformed or broken during operation.
Alternatively, in this embodiment, at least a portion of the first portion 130 has a gradually decreasing thickness along the cutting direction to form a cutting edge 120 at the cutting end, the cutting edge 120 is a circular ring with a very small width, and when the surgeon aligns the cutting end with the tissue 300 to be cut and applies a force, the cutting edge 120 can rapidly form a hole structure on the tissue 300, thereby completing the ostomy operation and forming a shunt opening.
To form the cutting blade 120, as shown with continued reference to fig. 3 and 4, the through-hole 110 further includes a third hole 113, the third hole 113 is disposed in the first portion 130, and the third hole 113 and the second hole 112 are located at both sides of the first hole 111, in this embodiment, the third hole 113 is a tapered hole, and a small-sized end of the third hole 113 is connected to the first hole 111. Of course, in other embodiments, the cutting blade 120 may be configured in other shapes according to the requirement, and is not limited to the circular ring surface in the embodiment.
Optionally, in this embodiment, the medicine carrying structure is a medicine carrying groove 200 formed on an outer wall surface of the cutting blade body 100, specifically, the medicine carrying groove 200 is formed on an outer wall surface corresponding to the first portion 130, and the medicine carrying groove 200 is used for carrying medicine. Through direct fluting formation medicine carrying structure on cutting knife body 100, not only the processing mode is simple, can not lead to the interatrial septum to make the structure of mouthful device complicated, and because medicine carrying groove 200 is fixed in position on cutting knife body 100, can not take place to remove, consequently sets up medicine carrying structure for medicine carrying groove 200 is favorable to improving the stability of its interior medicine.
Further optionally, as shown with continued reference to fig. 2, in the present embodiment, the medicine carrying groove 200 includes a plurality of medicine carrying sub-grooves 210, and the plurality of medicine carrying sub-grooves 210 are arranged at intervals along the circumferential direction of the cutting knife body 100. The medicine carrying groove 200 may be a regular groove such as a square groove, a circular groove, a kidney-shaped groove, or a special-shaped groove such as a flower-shaped groove or a corrugated groove. The arrangement of the plurality of medicine carrying sub-grooves 210 can ensure the structural strength of the cutting knife body 100, and prevent the rapid decrease of the structural strength of the cutting knife body 100 at the grooving position caused by continuous grooving, thereby avoiding the occurrence of the fracture phenomenon of the cutting knife body 100.
Further, because the kind of the medicine that need use in incision department may be multiple, can set up a plurality of medicine carrying grooves 200 along the cutting direction on the outer wall of cutting knife body 100 according to the demand, each medicine carrying groove 200 all includes a plurality of medicine carrying sub-grooves 210, and along the direction that is on a parallel with the axis direction, two adjacent medicine carrying sub-grooves 210 can misplace the setting, also can the collineation setting. The drugs carried in the different drug-carrying sub-grooves 210 may be the same or different. The drug loading depth of each drug loading sub-slot 210 can be the same or different. The capacity of each drug-loaded sub-tank 210 may be the same or different. In this embodiment, the number of the medicine carrying grooves 200 is selected according to the kind of the medicine to be carried, and each medicine carrying groove 200 includes a plurality of medicine carrying sub-grooves 210 for carrying the same kind of medicine.
Further, medicine carrying sub-groove 210 includes three internal face, and three internal face is the lateral wall face and a tank bottom surface of two relative settings respectively, and in order to avoid the medicine in medicine carrying sub-groove 210 to drop to non-incision position, medicine carrying sub-groove 210's internal face is provided with adsorption structure, and adsorption structure is used for adsorbing the medicine to reach the purpose of avoiding the medicine to drop from medicine carrying sub-groove 210. Alternatively, the adsorption structure may be a solid structure such as an adsorption film coated or provided on the inner wall surface, but of course, the adsorption structure may be an adsorption asperity surface that is a rough surface having an adsorption action formed by increasing the surface roughness of the inner wall surface, in addition to the solid structure. Or, also can mix medicine and polymer then spray to the medicine carrying groove in, can increase the viscidity of medicine through the polymer to make the medicine can stably place in medicine carrying sub-groove 210, reach the purpose of avoiding the medicine to drop from medicine carrying sub-groove 210.
Optionally, the depth everywhere in medicine carrying sub-groove 210 can be the same, also can be different, in this embodiment, through setting up the tank bottom surface into the inclined plane to make the depth everywhere in medicine carrying sub-groove 210 different, so that the medicine in medicine carrying sub-groove 210 can be as much as possible attached to incision department. Specifically, in this embodiment, along the cutting direction, the groove bottom face inclines towards the direction that deviates from the axis direction to make the medicine carrying depth of medicine carrying sub-groove 210 reduce gradually, at the in-process of scribbling the medicine, the incision gets into the tissue 300 in the medicine carrying can push the medicine back the upper side in the process of contacting with the medicine, thereby makes as much medicine as possible glue on the tissue 300 at incision.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An interatrial septum ostomy device, comprising:
the cutting knife comprises a cutting knife body (100), wherein a through hole (110) is formed in the cutting knife body (100) in a penetrating mode along the axis direction, one end of the cutting knife body (100) is a cutting end, and the other end of the cutting knife body (100) is a connecting end;
the medicine carrying structure is arranged on the outer wall of the cutting knife body (100), and is used for carrying medicine.
2. The atrial septal ostomy device of claim 1,
the medicine carrying structure is a medicine carrying groove (200) formed in the outer wall of the cutting knife body (100).
3. The atrial septal ostomy device of claim 2,
the medicine carrying groove (200) is an annular groove arranged along the circumferential direction of the cutting knife body (100).
4. The atrial septal ostomy device of claim 2,
medicine carrying groove (200) include a plurality of medicine carrying sub-grooves (210), and are a plurality of medicine carrying sub-grooves (210) are followed the circumference or the cutting direction interval of cutting knife body (100) set up.
5. The atrial septal ostomy device of claim 2,
and an adsorption structure is arranged on the inner wall of the medicine carrying groove (200) and is used for adsorbing the medicine.
6. The interatrial septum ostomy device according to claim 5, wherein the adsorption structure is an adsorption film attached to the inner wall of the drug carrying tank (200);
or the adsorption structure is an adsorption rough surface, and the inner wall of the medicine carrying groove (200) is configured to form the adsorption rough surface.
7. The interatrial septum ostomy device of claim 1, further comprising the drug disposed in the drug carrying structure, the drug comprising at least one of an anti-proliferative drug and an immunosuppressive drug.
8. The atrial septal ostomy device of claim 2,
the tank bottom surface of medicine carrying groove (200) is the inclined plane, along cutting direction, the medicine carrying depth of medicine carrying groove (200) reduces gradually.
9. The atrial septal ostomy device of any one of claims 1-8,
the cutting knife body (100) comprises a first portion (130) and a second portion (140) which are connected in a stepped mode, the first portion (130) and the second portion (140) are both cylindrical, the outer diameter of the first portion (130) is larger than that of the second portion (140), one end, away from the second portion (140), of the first portion (130) is the cutting end, one end, away from the first portion (130), of the second portion (140) is the connecting end, and the medicine carrying structure is arranged on the outer wall of the first portion (130).
10. The atrial septal ostomy device of claim 9,
the through hole (110) comprises a first hole (111) and a second hole (112) which are connected in a stepped mode, the first hole (111) is located inside the first portion (130), at least part of the second hole (112) is located inside the second portion (140), and the inner diameter of the first hole (111) is larger than that of the second hole (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220792529.1U CN217611287U (en) | 2022-04-07 | 2022-04-07 | Interatrial septum stoma device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220792529.1U CN217611287U (en) | 2022-04-07 | 2022-04-07 | Interatrial septum stoma device |
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| Publication Number | Publication Date |
|---|---|
| CN217611287U true CN217611287U (en) | 2022-10-21 |
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|---|---|---|---|
| CN202220792529.1U Active CN217611287U (en) | 2022-04-07 | 2022-04-07 | Interatrial septum stoma device |
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| Country | Link |
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| CN (1) | CN217611287U (en) |
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