CN219680725U - Interatrial septum ostomy appliance - Google Patents
Interatrial septum ostomy appliance Download PDFInfo
- Publication number
- CN219680725U CN219680725U CN202320628539.6U CN202320628539U CN219680725U CN 219680725 U CN219680725 U CN 219680725U CN 202320628539 U CN202320628539 U CN 202320628539U CN 219680725 U CN219680725 U CN 219680725U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- push
- cutting
- matching part
- distal end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000004971 interatrial septum Anatomy 0.000 title claims abstract description 6
- 210000003157 atrial septum Anatomy 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 210000004491 foramen ovale Anatomy 0.000 description 14
- 210000005245 right atrium Anatomy 0.000 description 6
- 230000001746 atrial effect Effects 0.000 description 5
- 210000003191 femoral vein Anatomy 0.000 description 5
- 210000005246 left atrium Anatomy 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 201000006474 Brain Ischemia Diseases 0.000 description 1
- 206010008120 Cerebral ischaemia Diseases 0.000 description 1
- 206010034576 Peripheral ischaemia Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000005242 cardiac chamber Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 206010008118 cerebral infarction Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000005240 left ventricle Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 210000001147 pulmonary artery Anatomy 0.000 description 1
- 208000002815 pulmonary hypertension Diseases 0.000 description 1
- 210000005241 right ventricle Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model provides a room septum ostomy appliance, which relates to the technical field of medical appliances and comprises a jacking pipe and an internal push-pull rod; the distal end of the jacking pipe is provided with a first cutting matching part, the distal end of the internal push-pull rod is provided with a second cutting matching part, and the first and/or second cutting matching parts are provided with cutting edge parts; the internal push-pull rod penetrates through the inside of the jacking pipe and can slide back and forth relative to the jacking pipe; in the use state, the distal end of the internal push-pull rod penetrates out of the distal end side of the jacking pipe and penetrates through the room diaphragm of the patient, so that the first cutting matching part and the second cutting matching part are respectively positioned at two sides of the room diaphragm; as the inner push-pull rod slides in a proximal direction relative to the push-push tube, the second cutting engagement portion moves in a direction toward the first cutting engagement portion, thereby squeezing and causing the cutting edge portion to sever the site of the septum of the room where it is squeezed. The utility model relieves the technical problems of difficult operation, low cutting efficiency, long ostomy time and easy complication initiation of the conventional interatrial septum ostomy appliance.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a room septum ostomy appliance.
Background
The left atrium and the right atrium are separated from the left ventricle and the right ventricle by the room space and the room space respectively, thus ensuring the normal way of blood flowing in the cardiac vessels, leading the blood to be distributed to all organs and tissues at the periphery through the left heart after being fully oxygenated from the right heart to the pulmonary vessels, and supplying enough oxygen. In some cases, it may be desirable to perform an atrioventricular ostomy on a patient, such as, but not limited to, pulmonary hypertension to increase right heart pressure, and when right heart pressure increases above left heart pressure, to shift the space to the left, such that the left heart chamber decreases, resulting in a decrease in blood flow through the left heart to peripheral organs and tissues, such as may be caused by cerebral ischemia, decreased motion tolerance Yi Pifa by peripheral ischemia, etc., at which time an atrioventricular ostomy may shunt blood from the right atrium to the left atrium, thereby increasing left heart output for purposes of relieving right heart pressure, improving blood supply to peripheral organs and tissues.
The room septum ostomy is needed to be used for the room septum ostomy, the room septum ostomy device used in the prior art mainly comprises a balloon catheter and a catheter with a cutting blade, the balloon catheter is sent to the right room through a femoral vein, the left room is reached through an oval foramen, after a small amount of contrast agent fills the balloon, the balloon is rapidly pulled from the left Fang Chou to the right room to tear room septum tissues around the oval foramen, the room septum is repeatedly used for 2-5 times, the average pressure difference between the left room and the right room is effectively smaller than 0.4kPa, namely 3mmHg, and if the room septum tissues of a patient are thicker and hard or the oval foramen is closed, the room septum ostomy can be performed by adopting the catheter with the cutting blade. For the structural form of the atrial septal incision using the catheter with the cutting blade for ostomy, reference may be made to the prior patent CN201921676012.0 and the prior patent CN201921676013.5, etc., and the ostomy modes are all that the delivering catheter is operated to make the blade part of the cutting blade contact with a single side of the atrial septal tissue to penetrate the atrial septum and expand the penetrated part, which has the problems of difficult operation, low cutting efficiency and long ostomy time, and various complications may be caused by long-time surgery.
Disclosure of Invention
The utility model aims to provide a room septum ostomy appliance so as to solve the technical problems of difficult operation, low cutting efficiency, long ostomy time and high complication incidence rate of the traditional room septum ostomy appliance.
In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:
the embodiment of the utility model provides a room septum ostomy appliance, which comprises a jacking pipe, an internal push-pull rod, a first cutting matching part and a second cutting matching part;
the first cutting matching part is arranged at the far end of the jacking pipe, the second cutting matching part is arranged at the far end of the internal push-pull rod, and cutting edge parts are arranged on the first cutting matching part and/or the second cutting matching part; the internal push-pull rod penetrates through the inside of the jacking pipe and can slide back and forth relative to the jacking pipe;
in a use state, the distal end of the internal push-pull rod penetrates out of the distal end side of the jacking pipe and penetrates through the septum of a patient room, so that the first cutting matching part and the second cutting matching part are respectively positioned at two sides of the septum of the room; as the inner push-pull rod slides in a proximal direction relative to the push-push tube, the second cutting engagement portion moves in a direction toward the first cutting engagement portion, thereby squeezing and causing the cutting edge portion to sever the site of the septum of the room where the septum is squeezed.
When the operation is performed, firstly, the oval foramen is punctured through the femoral vein, then the distal end of the pushing tube of the operation device and the distal end of the internal push-pull rod are sent into the right atrium through the femoral vein, the distal end of the internal push-pull rod penetrates out of the distal end side of the pushing tube and passes through the oval foramen on the septum of the patient to be sent into the left atrium, the first cutting matching part at the distal end of the pushing tube and the second cutting matching part at the distal end of the internal push-pull rod are respectively positioned at two sides of the oval foramen of the septum, the pushing tube is continuously pushed forward, so that the first cutting matching part is pushed against the oval foramen on the septum of the patient and is positioned on one side surface of the right atrium, then the internal push-pull rod is retracted relative to the pushing tube, so that the second cutting matching part moves towards the direction of the first cutting matching part, the extruded part on the oval foramen is extruded until the cut part near the oval foramen of the septum is cut off, the extruded part is rapidly torn, and finally, the operation device is withdrawn from the outside the patient.
The room septum ostomy appliance adopting the structure is used for ostomy the room septum, compared with the existing room septum ostomy appliance, the room septum ostomy appliance has the advantages of being obvious, convenient to operate and high in ostomy efficiency, facilitating rapid completion of room septum ostomy operation, improving the success rate of operation, reducing a series of operation complications caused by long operation time, and facilitating postoperative recovery of patients.
In an optional implementation manner of this embodiment, preferably, a distal end surface of the top pressing tube is a zigzag concave-convex surface as the first cutting matching portion, a distal end of the inner push-pull rod is provided with a guide head, a proximal end surface of the guide head is a zigzag concave-convex surface capable of being matched with a distal end surface of the top pressing tube as the second cutting matching portion, and an edge portion of the zigzag concave-convex surface forms the cutting edge portion.
Further preferably, the guide head comprises a housing, wherein the distal end surface of the housing is a conical surface with a diameter gradually increasing from the distal end to the proximal end, the proximal end surface of the housing is cylindrical, and the proximal end surface of the housing is in a zigzag shape; the distal end of the internal push-pull rod is fixedly connected to the inner wall of the distal end of the shell.
In an alternative implementation of this embodiment, it is preferable that the internal push-pull rod is tubular.
In an alternative implementation manner of this embodiment, preferably, the atrial septum ostomy appliance further includes a pressing tube operating handle connected to the proximal end of the pressing tube and a push-pull rod operating handle connected to the proximal end of the internal push-pull rod, and a position indication assembly capable of indicating an axial distance between the first cutting engagement portion and the second cutting engagement portion in the axial direction of the internal push-pull rod is disposed between the proximal end of the pressing tube operating handle and the distal end of the internal push-pull rod.
Further preferably, the inner push-pull rod passes through the push-tube operating handle;
the position indication assembly comprises a strip-shaped extension plate arranged on the push-pull rod operating handle and a limiting block arranged on the jacking pipe operating handle, a limiting groove is formed in the side face of the strip-shaped extension plate in the length direction, and the limiting groove penetrates through the far end face of the strip-shaped extension plate;
under the condition that the internal push-pull rod slides back and forth relative to the jacking pipe, the limiting block can slide in the limiting groove; and in the state that the in-groove proximal end face of the limit groove on the strip-shaped extension plate is abutted to the proximal end face of the limit block, the second cutting matching part is positioned at the distal end side of the first cutting matching part, and in the state that the distal end face of the strip-shaped extension plate and the proximal end face of the limit block are positioned on the same circumferential face of the jacking pipe operating handle, the proximal end face of the second cutting matching part and the distal end face of the first cutting matching part are in contact with each other, so that the cutting edge part is extruded to cut out the extruded part of the room diaphragm.
Further preferably, the limit groove penetrates through the strip-shaped extension plate along the radial direction of the inner push-pull rod.
Preferably, the bar-shaped extending plate is provided with graduations extending along the length direction of the bar-shaped extending plate at a position located at one side of the limiting groove.
In an alternative implementation manner of this embodiment, it is preferable that a supporting ring is disposed inside the distal lumen of the pressing tube, and the internal push-pull rod passes through the supporting ring.
In an alternative implementation of the present embodiment, it is preferable that the atrial septum ostomy appliance further comprises an outer sheath tube, which is sheathed outside the ejector tube.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is an assembly view of the overall structure of an interatrial septum ostomy appliance provided by an embodiment of the utility model;
FIG. 2 is an enlarged view of the part of the structure of the portion A in FIG. 1;
FIG. 3 is an enlarged view of a part of the structure of the portion B in FIG. 1;
FIG. 4 is an exploded view of the overall structure of an interatrial septum ostomy appliance provided by an embodiment of the utility model;
FIG. 5 is an enlarged view of a portion of the structure of the portion C in FIG. 4;
fig. 6 is an enlarged view of a part of the structure of the D portion in fig. 4.
Icon: 1-jacking a pipe; 11-a support ring; 2-an internal push-pull rod; 21-a seeker; 3-a first cutting engagement; 4-a second cutting engagement; 5-pushing the pipe operating handle; 6-a push-pull rod operating handle; 7-a position indication assembly; 71-a strip-shaped extension plate; 72-limiting blocks; 8-an exhaust assembly; 9-an outer sheath; 10-outer sheath tube holder.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters designate like items in the drawings, and thus once an item is defined in one drawing, no further definition or explanation thereof is necessary in the subsequent drawings.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "proximal", "distal", "front", "rear", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In particular, in the present utility model, the end of the medical device close to the operator is the proximal end of the medical device during surgery, and the end of the medical device entering the blood vessel of the patient is the distal end of the medical device (the front end of the medical device is the distal end, and the rear end of the medical device is the proximal end).
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
The present embodiment provides a room septum ostomy appliance comprising a push-tube 1, an inner push-pull rod 2, a first cutting engagement portion 3 and a second cutting engagement portion 4, see fig. 1-6. The first cutting matching part 3 is arranged at the distal end of the jacking pipe 1, the second cutting matching part 4 is arranged at the distal end of the internal push-pull rod 2, and cutting edge parts are arranged on the first cutting matching part 3 and/or the second cutting matching part 4; the internal push-pull rod 2 is arranged inside the jacking pipe 1 in a penetrating way and can slide back and forth relative to the jacking pipe 1. In the use state, the distal end of the internal push-pull rod 2 penetrates out of the distal end side of the jacking pipe 1 and penetrates through the septum of a patient room, so that the first cutting matching part 3 and the second cutting matching part 4 are respectively positioned at two sides of the septum of the room; as the inner push-pull rod 2 slides in a proximal direction with respect to the push-tube 1, the second cutting engagement portion 4 moves in the direction of the first cutting engagement portion 3, thereby squeezing and causing the aforementioned cutting edge portion to cut off the site where the septum of the room is squeezed.
When performing a atrial septal ostomy, in the first step, the foramen ovale is pierced through the femoral vein, then the distal end of the ejector tube 1 and the distal end of the internal push-pull rod 2 of the atrial septal ostomy device are sent into the right atrium through the femoral vein, and the distal end of the internal push-pull rod 2 is led out of the distal end side of the ejector tube 1 and is sent into the left atrium through the foramen ovale on the septum of the patient, the first cutting engagement part 3 at the distal end of the ejector tube 1 and the second cutting engagement part 4 at the distal end of the internal push-pull rod 2 are respectively positioned at two sides of the foramen ovale of the septum of the room, the ejector tube 1 is continuously pushed forward, so that the first cutting engagement part 3 is pushed against one side surface of the right atrium on the septum of the patient, then the internal push-pull rod 2 is retracted relative to the ejector tube 1, and the second cutting engagement part 4 can move towards the direction of the first cutting engagement part 3, so that the extruded part near the foramen ovale on the septum of the room is extruded until the cutting edge part of the first cutting engagement part 3 and/or the second cutting engagement part 4 is/are respectively positioned at the two sides of the foramen ovale of the septum, the septum of the room is rapidly torn, and finally, the atrial septal tissue is evacuated from the atrial septum of the patient.
The room septum ostomy appliance adopting the structure is used for ostomy the room septum, compared with the existing room septum ostomy appliance, the room septum ostomy appliance has the advantages of being obvious, convenient to operate and high in ostomy efficiency, facilitating rapid completion of room septum ostomy operation, improving the success rate of operation, reducing a series of operation complications caused by long operation time, and facilitating postoperative recovery of patients.
In an alternative implementation manner of this embodiment, as shown in fig. 1, 3, 4 and 6, preferably, the distal end surface of the ejector tube 1 is a zigzag concave-convex surface as the first cutting engagement portion 3, the distal end of the inner push-pull rod 2 is provided with a guide head 21, the proximal end surface of the guide head 21 is a zigzag concave-convex surface capable of being engaged with the distal end surface of the ejector tube 1 as the second cutting engagement portion 4, and respective edges of the two zigzag concave-convex surfaces form respective corresponding cutting edge portions, and when the first cutting engagement portion 3 and the second cutting engagement portion 4 are mutually pressed, a larger cutting force is formed by the zigzag concave-convex surface in cooperation so as to rapidly cut the septum tissue around the oval hole.
Referring to fig. 6, it is further preferable, but not limited, that the guide head 21 includes a housing having a tapered surface with a diameter gradually increasing from the distal end to the proximal end, a cylindrical surface, and a zigzag-shaped uneven surface on the proximal end surface; the distal end of the inner push-pull rod 2 is fixedly connected to the distal end inner wall of the housing, thereby reducing the resistance in penetration by the housing and reducing the damage to the blood vessel.
In addition, to further improve the efficiency of the operation, it is preferable to make the inner push-pull rod 2 tubular for guiding the guide wire therethrough, thereby improving the delivery efficiency of the room septum ostomy appliance and improving the accuracy of the delivery position.
With continued reference to fig. 1 and 4 and with simultaneous reference to fig. 2 and 5, in this embodiment, it is preferable that the room septum ostomy appliance further comprises a push-tube operating handle 5 connected to the proximal end of the push-tube 1 and a push-pull rod operating handle 6 connected to the proximal end of the inner push-pull rod 2, wherein a position indication assembly 7 capable of indicating the distance between the first cutting engagement portion 3 and the second cutting engagement portion 4 in the axial direction of the inner push-pull rod 2 is provided between the proximal end of the push-tube operating handle 5 and the distal end of the inner push-pull rod 2. Therefore, the position indicating assembly 7 can assist the operator to quickly know the axial distance between the first cutting matching part 3 and the second cutting matching part 4, so as to quickly judge whether to push or pull the inner push-pull rod 2 forwards or backwards relative to the jacking pipe 1 and control push-pull force, further improve operation efficiency and reduce damage to blood vessels in operation.
It is further preferred to pass the inner push-pull rod 2 through the push-tube operating handle 5; the design position indicating assembly 7 comprises a strip-shaped extension plate 71 arranged on the push-pull rod operating handle 6 and a limiting block 72 arranged on the jacking pipe operating handle 5, wherein a limiting groove is formed in the side face of the strip-shaped extension plate 71 in the length direction, and the limiting groove penetrates through the distal end face of the strip-shaped extension plate 71. The limiting block 72 can slide in the limiting groove under the condition that the internal push-pull rod 2 slides back and forth relative to the jacking pipe 1; and in a state that the proximal end face in the groove of the limit groove on the strip-shaped extension plate 71 is abutted against the proximal end face of the limit block 72, the second cutting engagement portion 4 is located at the distal end side of the first cutting engagement portion 3, and in a state that the distal end face of the strip-shaped extension plate 71 and the proximal end face of the limit block 72 are located on the same circumferential face of the ejector tube operation handle 5, the proximal end face of the second cutting engagement portion 4 and the distal end face of the first cutting engagement portion 3 are in contact with each other, thereby squeezing and making the cutting blade portion cut out the portion of the room diaphragm that is squeezed.
It is further preferred that the limit groove is made to penetrate the strip-shaped extension plate 71 in the radial direction of the inner push-pull rod 2.
And preferably, but not limited to, graduations extending along the length direction of the strip-shaped extension plate 71 are arranged at the part of the strip-shaped extension plate 71 at one side of the limit groove, so as to further precisely control.
In addition, in this embodiment, in order to improve the stability of the sliding of the inner push-pull rod 2 back and forth relative to the push-push tube 1, as shown in fig. 4 and 6, it is preferable that a support ring 11 is disposed inside the distal lumen of the push-push tube 1, the inner push-pull rod 2 passes through the support ring 11, and the inner push-pull rod 2 is prevented from rocking in the inner cavity of the push-push tube 1 by the support ring 11.
In this embodiment, the atrial septum ostomy device further comprises an outer sheath tube 9, the outer sheath tube 9 is sleeved outside the jacking tube 1, an outer sheath tube seat 10 can be arranged at the proximal end of the outer sheath tube 9, the jacking tube 1 passes through the outer sheath tube seat 10, the jacking tube 1 is pushed by the outer sheath tube 9, and in addition, an exhaust component 8 comprising an exhaust pipe and an exhaust valve arranged on the exhaust pipe can be respectively connected to the outer sheath tube seat 10 and the jacking tube operating handle 5 so as to exhaust in the operation process; and an anti-skid rib is arranged on the push-pull rod operating handle 6 so as to achieve the anti-skid effect during operation.
Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are only required to be seen with each other; the above embodiments in the present specification are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A room septum ostomy appliance, characterized in that: comprises a jacking pipe (1), an internal push-pull rod (2), a first cutting matching part (3) and a second cutting matching part (4);
the first cutting matching part (3) is arranged at the far end of the jacking pipe (1), the second cutting matching part (4) is arranged at the far end of the internal push-pull rod (2), and cutting edge parts are arranged on the first cutting matching part (3) and/or the second cutting matching part (4); the internal push-pull rod (2) is arranged inside the jacking pipe (1) in a penetrating way and can slide back and forth relative to the jacking pipe (1);
in a use state, the distal end of the internal push-pull rod (2) penetrates out of the distal end side of the jacking pipe (1) and penetrates through the septum of a patient room, so that the first cutting matching part (3) and the second cutting matching part (4) are respectively positioned on two sides of the septum of the room; as the inner push-pull rod (2) slides in a proximal direction relative to the push-push tube (1), the second cutting engagement portion (4) moves in the direction of the first cutting engagement portion (3), thereby squeezing and causing the cutting edge portion to cut off the site of the room septum that is squeezed.
2. An interatrial ostomy appliance as in claim 1, wherein: the distal end face of the jacking pipe (1) is a zigzag concave-convex face serving as the first cutting matching part (3), a guide head (21) is arranged at the distal end of the inner push-pull rod (2), the proximal end face of the guide head (21) is a zigzag concave-convex face serving as the second cutting matching part (4), and the edge of the zigzag concave-convex face forms the cutting edge part.
3. The atrial septum ostomy appliance of claim 2, wherein: the guide head (21) comprises a shell, wherein the outer surface of the distal end of the shell is a conical surface with the diameter gradually increasing from the distal end to the proximal end, the outer surface of the proximal end of the shell is cylindrical, and the end surface of the proximal end of the shell is zigzag;
the far end of the internal push-pull rod (2) is fixedly connected with the inner wall of the far end of the shell.
4. An interatrial ostomy appliance as in claim 1, wherein: the internal push-pull rod (2) is tubular.
5. An interatrial ostomy appliance as in claim 1, wherein: the room separates ostomy appliance further comprises a jacking pipe operating handle (5) connected to the proximal end of the jacking pipe (1) and a push-pull rod operating handle (6) connected to the proximal end of the inner push-pull rod (2), and a position indicating assembly (7) capable of indicating the axial spacing between the first cutting matching part (3) and the second cutting matching part (4) of the inner push-pull rod (2) is arranged between the proximal end of the jacking pipe operating handle (5) and the distal end of the inner push-pull rod (2).
6. An interatrial ostomy appliance as in claim 5, wherein: the internal push-pull rod (2) passes through the jacking pipe operating handle (5);
the position indication assembly (7) comprises a strip-shaped extension plate (71) arranged on the push-pull rod operating handle (6) and a limiting block (72) arranged on the jacking pipe operating handle (5), a limiting groove is formed in the side surface of the strip-shaped extension plate (71) in the length direction, and the limiting groove penetrates through the far end surface of the strip-shaped extension plate (71);
the limiting block (72) can slide in the limiting groove under the condition that the inner push-pull rod (2) slides back and forth relative to the jacking pipe (1); and in a state that the proximal end face in the groove of the limit groove on the strip-shaped extension plate (71) is abutted against the proximal end face of the limit block (72), the second cutting matching part (4) is positioned at the distal end side of the first cutting matching part (3), and in a state that the distal end face of the strip-shaped extension plate (71) and the proximal end face of the limit block (72) are positioned on the same circumferential face of the jacking pipe operating handle (5), the proximal end face of the second cutting matching part (4) and the distal end face of the first cutting matching part (3) are in contact with each other, so that the cutting edge part cuts out the extruded part of the room diaphragm.
7. The inter-atrial ostomy appliance of claim 6, wherein the limiting groove penetrates the strip-shaped extension plate (71) in the radial direction of the inner push-pull rod (2).
8. The inter-atrial septum device according to claim 6, wherein the portion of the strip-shaped extension plate (71) located on one side of the restriction groove is provided with graduations extending in a longitudinal direction of the strip-shaped extension plate (71).
9. An interatrial ostomy appliance as in claim 1, wherein: the inside of distal end lumen of roof pressure pipe (1) is equipped with support ring (11), inside push-and-pull rod (2) pass support ring (11).
10. An interatrial ostomy appliance as in claim 1, wherein: the atrial septum ostomy appliance further comprises an outer sheath tube (9), and the outer sheath tube (9) is sleeved outside the jacking tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320628539.6U CN219680725U (en) | 2023-03-28 | 2023-03-28 | Interatrial septum ostomy appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320628539.6U CN219680725U (en) | 2023-03-28 | 2023-03-28 | Interatrial septum ostomy appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219680725U true CN219680725U (en) | 2023-09-15 |
Family
ID=87942562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320628539.6U Active CN219680725U (en) | 2023-03-28 | 2023-03-28 | Interatrial septum ostomy appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219680725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117752388A (en) * | 2024-02-18 | 2024-03-26 | 北京心祐医疗科技有限公司 | Room space punching device |
-
2023
- 2023-03-28 CN CN202320628539.6U patent/CN219680725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117752388A (en) * | 2024-02-18 | 2024-03-26 | 北京心祐医疗科技有限公司 | Room space punching device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10220134B2 (en) | Transseptal access device and method of use | |
| US20230414252A1 (en) | Transseptal access device and method of use | |
| US5190541A (en) | Surgical instrument and method | |
| CN219680725U (en) | Interatrial septum ostomy appliance | |
| EP2685919B1 (en) | Transseptal puncturing device | |
| JP2001524844A (en) | Apparatus and method for intraoperative surgery | |
| JPH1147154A (en) | Treatment instrument for endoscope | |
| US20160120592A1 (en) | Telescoping device with saline irrigation line | |
| CN108523985A (en) | A kind of multifunctional high frequency cutting is operated on | |
| WO2022007733A1 (en) | Multifunctional high-frequency cutter for endoscope | |
| WO2018062387A1 (en) | Medical device and treatment method | |
| WO2021063139A1 (en) | Multifunctional high-frequency electrotome | |
| CN211409192U (en) | Dilator and interatrial puncture system | |
| CN219680726U (en) | Interatrial septum ostomy appliance | |
| CN218305041U (en) | Interatrial septum stoma device | |
| CN114098916B (en) | Room separates ostomy device | |
| CN114081615B (en) | Novel medical electrotome and tool bit assembly thereof | |
| US11419632B2 (en) | Transseptal access device and method of use | |
| CN209751772U (en) | Microcatheter and microcatheter set | |
| CN218420024U (en) | Endoscopic surgical instrument | |
| US11419633B2 (en) | Transseptal access device and method of use | |
| CN219000400U (en) | Vascular stitching instrument | |
| CN214511218U (en) | Disposable biopsy spoon | |
| CN216365204U (en) | Endoscope sheath pipe for face wrinkle removing operation | |
| CN221266263U (en) | Heart atrial septum puncture assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |