CN107307895B - Tool for forming wound surface on edge of patent foramen ovale - Google Patents
Tool for forming wound surface on edge of patent foramen ovale Download PDFInfo
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- CN107307895B CN107307895B CN201710551311.0A CN201710551311A CN107307895B CN 107307895 B CN107307895 B CN 107307895B CN 201710551311 A CN201710551311 A CN 201710551311A CN 107307895 B CN107307895 B CN 107307895B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320056—Tunnelers
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- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
The invention discloses a tool for forming a wound surface on the edge of a patent foramen ovale, which comprises: a conduit; the guide post is slidably arranged in the guide pipe; the supporting rod is slidably arranged in the third guide hole of the guide column, wherein a supporting head is arranged at the front end of the supporting rod; the tail part of the knife is pivoted on the guide column, and the head part of the knife is provided with a knife head; the operating mechanism comprises an upper pull wire and a lower pull wire, one ends of the upper pull wire and the lower pull wire are connected to the knife, the other end of the upper pull wire penetrates through the second guide hole of the guide post to extend outwards, and the other end of the lower pull wire penetrates through the first guide hole of the guide post to extend outwards; one end of the guide wire is connected to the guide post, and the other end of the guide wire extends outwards along the catheter. The invention has flexible use, simple operation and small wound.
Description
Technical Field
The invention relates to the technical field of medicine, in particular to a tool for forming a wound surface on the edge of a patent foramen ovale.
Background
The atrial septal foramen ovale is a normal channel for maintaining aerobic blood circulation of a fetus before birth, when the fetus breathes autonomously, the atrial septal foramen ovale is naturally closed, but a part of the atrial septal foramen ovale in a population is permanently not closed, and the patent foramen ovale is considered to be a cardiac factor causing central spike and migraine.
Disclosure of Invention
In view of the above problems, the present invention provides a tool for forming a wound surface on the edge of a patent foramen ovale, which is flexible to use, simple to operate, and less traumatic.
in order to achieve the purpose, the invention provides the following technical scheme:
a tool for forming a wound surface at the edge of a patent foramen ovale, comprising: a conduit;
A guide post slidably disposed within the catheter;
The supporting rod is slidably arranged in a third guide hole of the guide column, and a supporting head is arranged at the front end of the supporting rod;
the tail part of the knife is pivoted on the guide column, and the head part of the knife is provided with a knife head;
The operating mechanism comprises an upper pull wire and a lower pull wire, one end of the upper pull wire and one end of the lower pull wire are connected to the knife, the other end of the upper pull wire penetrates through the second guide hole of the guide post to extend outwards, and the other end of the lower pull wire penetrates through the first guide hole of the guide post to extend outwards;
One end of the guide wire is connected to the guide post, and the other end of the guide wire extends outwards along the catheter.
Further, the outer wall of the guide post is in close contact with the inner wall of the guide pipe, and the outer surface of the guide post is a friction surface.
Furthermore, the bracing piece still includes drive silk and thick post, thick post slidable sets up the third guiding hole, the one end of drive silk is connected on thick post, the other end of drive silk outwards extends, support the head and connect on the front end of thick post.
Furthermore, the support head is arc-shaped, and a ball head is arranged at the front end of the support head.
Furthermore, the operating mechanism further comprises a pair of guide wheel sets pivoted on the guide post, and the upper pull wire and the lower pull wire are respectively wound on one guide wheel set, so that the upper pull wire and the lower pull wire are prevented from being wound together.
Furthermore, the guide wheel set comprises a first guide wheel and a pair of clamping guide wheels which are correspondingly arranged, and the pair of clamping guide wheels are positioned between the tail part of the knife and the first guide wheel.
furthermore, the knife further comprises a swing rod and a knife handle which are connected in sequence, the swing rod is pivoted on the guide post, the upper pull wire and the lower pull wire are connected to a swing arm of the swing rod, and the knife head is located at the front end of the knife handle.
Still further, the tool bit comprises a blade and a pair of side edges located on both sides of the blade, and the cross-sectional area of the tool bit gradually increases along the extension direction of the front end of the tool bit to the rear end of the tool bit.
Further, the cross section of the cutter head is triangular.
Further, the cutting edge of the cutter head is arranged opposite to the supporting head.
According to the technical scheme, the invention has the advantages of flexible use, simple operation and small wound.
in addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
Fig. 1 is a partial structural schematic diagram of the present invention.
Fig. 2 is a schematic view of the installation of the guide tube and guide post of the present invention.
Fig. 3 is a schematic view of the connection of the pendulum rod of the knife of the present invention to the operating mechanism.
Fig. 4 is a schematic cross-sectional view of a use case of the present invention.
Fig. 5 is an enlarged schematic view of a main portion of fig. 4.
fig. 6 is a schematic view of the structure of the cutting edge of the knife of the present invention.
Fig. 7 is a schematic view of yet another configuration of the cutting edge of the knife of the present invention.
Labeled as: the guide device comprises a guide tube 10, a guide post 20, a first guide hole 21, a second guide hole 22, a third guide hole 23, a mounting groove 24, a support rod 30, a driving wire 31, a thick post 32, a support head 33, a ball head 331, a primary septum 40, a secondary septum 50, an opening 60, a knife 70, a knife handle 71, a swing rod 72, a swing arm 721, a knife head 73, a knife edge 731, a side edge 732, an operating mechanism 80, an upper pull wire 81, an upper guide tube 811, a lower pull wire 82, a lower guide tube 821, a guide wheel group 83, a first guide wheel 831, a clamping guide wheel 832, a pull wire post 84 and a guide wire 90.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 7, a tool for forming a wound surface at the edge of a patent foramen ovale as shown in fig. 1, 2 and 3, comprises: a catheter 10, a guide post 20, a support rod 30, a knife 70, an operating mechanism 80 and a guide wire 90, wherein the guide post 20 is slidably arranged in the catheter 10; the support rod 30 is slidably disposed in the third guide hole 23 of the guide post 20; the tail part of the knife 70 is pivoted in the mounting groove 24 of the guide post 20; the operating mechanism 80 is used for controlling the swing angle of the knife 70; one end of the guide wire 90 is connected to the guide post 20, the other end of the guide wire 90 extends outwards along the catheter 10, the guide post 20 can be moved along the catheter 10 by operating the guide wire 90, so that the guide post 20 is retracted into the catheter 10 or moved to a corresponding position for surgery, wherein the outer wall of the guide post 20 is in close contact with the inner wall of the catheter 10, the outer surface of the guide post 20 is a friction surface, the guide post 20 is prevented from moving along the catheter 10 during surgery to affect the accuracy of surgery, and stainless steel, nitinol or titanium can be used as the guide wire 90.
As shown in fig. 1, 2 and 5, the support rod 30 includes a driving wire 31, a thick column 32 and a support head 33, the thick column 32 is slidably disposed in the third guide hole 23, one end of the driving wire 31 is connected to the thick column 32, the other end of the driving wire 31 extends outwards along the guide tube 10, the support head 33 is connected to the front end of the thick column 32, wherein the support head 33 is arc-shaped, and a ball 331 is disposed on the front end of the support head 33, the outer arc of the support head 33 can abut against the side of the primary septum 40 to slightly enlarge the opening 60 between the primary septum 40 and the secondary septum 50, the driving wire 31 can be made of stainless steel, nitinol or titanium, the outer surface of the thick column 32 is a friction surface, which prevents overshoot of the support head 33 caused by a particularly small application force, and facilitates the control of the position of the thick column 32, the operation accuracy is also improved.
As shown in fig. 1, 3, 5, 6 and 7, the knife 70 includes a swing rod 72, a knife handle 71 and a knife head 73, which are connected in sequence, the knife head 73 is located at the head of the knife 70, the swing rod 72 is located at the tail of the knife 70, the swing rod 72 is pivoted in the mounting groove 24, the knife head 73 includes a knife edge 731 and a pair of side edges 732 located at two sides of the knife edge 731, the cross section of the knife head 73 is shaped like an isosceles triangle, the cross section area of the knife head 73 is gradually increased along the extending direction of the front end of the knife head 73 to the rear end of the knife head 73, and the included angle between the pair of side edges 732 is 2-7 °, wherein the knife edge 731 of the knife head 73 is opposite to the supporting head 33, and the front end of the supporting head 33 extends to the knife head 73.
Preferably, the angle between the pair of side edges 732 is 3 °.
As shown in fig. 1, 2 and 3, the operating mechanism 80 includes an upper pulling wire 81, a lower pulling wire 82, a pair of guide wheel sets 83, a pair of pulling wire posts 84 disposed on a swing arm 721 of the swing link 72, a pair of guide wheel sets 83 pivoted in the mounting groove 24, the guide wheel sets 83 located between the tail of the knife 70 and the bottom surface of the mounting groove 24, one end of the upper pulling wire 81 and one end of the lower pulling wire 82 are connected to the pair of pulling wire posts 84, the other end of the upper pulling wire 81 is wound around one pulling wire post 84 and extends outward along the guide tube 10 after passing through an upper guide tube 811 fixedly connected in a second guide hole 22 of the guide post 20, the other end of the lower pulling wire 82 is wound around the other pulling wire post 84 and extends outward along the guide tube 10 after passing through a lower guide tube 821 fixedly connected in a first guide hole 21 of the guide post 20, a pair of guide wheel sets 83 is provided to prevent the upper pulling wire 81 and the lower pulling wire 82 from being wound together, the swing control of the knife 70 is achieved by pulling the upper pulling wire 81 or the lower pulling wire 82.
The guide wheel set 83 includes a first guide wheel 831 and a pair of clamping guide wheels 832 correspondingly disposed, the pair of clamping guide wheels 832 is located between the tail portion of the knife 70 and the first guide wheel 831, the upper pull wire 81 or the lower pull wire 82 passes through a gap between the pair of clamping guide wheels 832, the upper pull wire 81 and the lower pull wire 82 are made of stainless steel, nitinol or titanium, the first guide wheel 831 and the pair of clamping guide wheels 832 are used in cooperation to make the upper pull wire 81 or the lower pull wire 82 in an S-shape, and the S-shape can make the upper pull wire 81 or the lower pull wire 82 not move or move under the condition of no external force, so that the knife 70 is kept in a fixed state without change.
As shown in fig. 4 and 5, when in use, the guiding column 20 is retracted in the catheter 10 by the guiding wire 90, the front end of the catheter 10 is inserted into the inferior vena cava, after reaching a designated position, the guiding column 20 is extended by the guiding wire 90, and the knife 70 and the supporting rod 30 are further extended, the driving wire 31 of the supporting rod 30 is operated to move the supporting head 33 distally and abut against the side surface of the primary septum 40, the supporting head 33 is slowly operated to continue to move distally, the front end of the supporting head 33 is beyond the head end of the knife 70 to enlarge the opening 60, the upper pulling wire 81 and the lower pulling wire 82 are adjusted to keep the knife 70 in a fixed angle state, and then the driving wire 31 is pulled, the primary septum 40 is moved to the right atrium by the left atrial blood pressure, the primary edge that separates 40 can with cutting edge 731 contact forms new surface of a wound, because tool bit 73 cross-sectional area is followed the front end of tool bit 73 to the extending direction of the rear end of tool bit 73 crescent, so the surface of a wound can enlarge from little to big gradually, not only makes the operation efficient, has still avoided knife 70 withdraws the in-process and causes other positions to calculate, then utilizes prior art to use the medicine on the new surface of a wound for the self-healing of unclosed oval hole can not leave the wound again yet, and it is effectual to operate.
Example two
referring to fig. 1 to 7, a tool for forming a wound surface at the edge of a patent foramen ovale as shown in fig. 1, 2 and 3, comprises: a catheter 10, a guide post 20, a support rod 30, a knife 70, an operating mechanism 80 and a guide wire 90, wherein the guide post 20 is slidably arranged in the catheter 10; the support rod 30 is slidably disposed in the third guide hole 23 of the guide post 20; the tail part of the knife 70 is pivoted in the mounting groove 24 of the guide post 20; the operating mechanism 80 is used for controlling the swing angle of the knife 70; one end of the guide wire 90 is connected to the guide post 20, the other end of the guide wire 90 extends outwards along the catheter 10, the guide post 20 can be moved along the catheter 10 by operating the guide wire 90, so that the guide post 20 is retracted into the catheter 10 or moved to a corresponding position for surgery, wherein the outer wall of the guide post 20 is in close contact with the inner wall of the catheter 10, the outer surface of the guide post 20 is a friction surface, the guide post 20 is prevented from moving along the catheter 10 during surgery to affect the accuracy of surgery, and stainless steel, nitinol or titanium can be used as the guide wire 90.
As shown in fig. 1, 2 and 5, the support rod 30 includes a driving wire 31, a thick column 32 and a support head 33, the thick column 32 is slidably disposed in the third guide hole 23, one end of the driving wire 31 is connected to the thick column 32, the other end of the driving wire 31 extends outwards along the guide tube 10, the support head 33 is connected to the front end of the thick column 32, wherein the support head 33 is arc-shaped, and a ball 331 is disposed on the front end of the support head 33, the outer arc of the support head 33 can abut against the side of the primary septum 40 to slightly enlarge the opening 60 between the primary septum 40 and the secondary septum 50, the driving wire 31 can be made of stainless steel, nitinol or titanium, the outer surface of the thick column 32 is a friction surface, which prevents overshoot of the support head 33 caused by a particularly small application force, and facilitates the control of the position of the thick column 32, the operation accuracy is also improved.
As shown in fig. 1, 3, 5, 6 and 7, the knife 70 includes a swing rod 72, a knife handle 71 and a knife head 73, which are connected in sequence, the knife head 73 is located at the head of the knife 70, the swing rod 72 is located at the tail of the knife 70, the swing rod 72 is pivoted in the mounting groove 24, the knife head 73 includes a knife edge 731 and a pair of side edges 732 located at two sides of the knife edge 731, the cross section of the knife head 73 is in an isosceles triangle shape, the cross section area of the knife head 73 is gradually increased along the extending direction of the front end of the knife head 73 to the rear end of the knife head 73, and the included angle between the pair of side edges 732 is 2-7 °, wherein the knife edge 731 of the knife head 73 is opposite to the supporting head 33, and the front end of the supporting head 33 extends to the knife head 73.
Preferably, the angle between the pair of side edges 732 is 5 °.
As shown in fig. 1, 2 and 3, the operating mechanism 80 includes an upper pulling wire 81, a lower pulling wire 82, a pair of guide wheel sets 83, a pair of pulling wire posts 84 disposed on a swing arm 721 of the swing link 72, a pair of guide wheel sets 83 pivoted in the mounting groove 24, the guide wheel sets 83 located between the tail of the knife 70 and the bottom surface of the mounting groove 24, one end of the upper pulling wire 81 and one end of the lower pulling wire 82 are connected to the pair of pulling wire posts 84, the other end of the upper pulling wire 81 is wound around one pulling wire post 84 and extends outward along the guide tube 10 after passing through an upper guide tube 811 fixedly connected in a second guide hole 22 of the guide post 20, the other end of the lower pulling wire 82 is wound around the other pulling wire post 84 and extends outward along the guide tube 10 after passing through a lower guide tube 821 fixedly connected in a first guide hole 21 of the guide post 20, a pair of guide wheel sets 83 is provided to prevent the upper pulling wire 81 and the lower pulling wire 82 from being wound together, the swing control of the knife 70 is achieved by pulling the upper pulling wire 81 or the lower pulling wire 82.
The guide wheel set 83 includes a first guide wheel 831 and a pair of clamping guide wheels 832 correspondingly disposed, the pair of clamping guide wheels 832 is located between the tail portion of the knife 70 and the first guide wheel 831, the upper pull wire 81 or the lower pull wire 82 passes through a gap between the pair of clamping guide wheels 832, the upper pull wire 81 and the lower pull wire 82 are made of stainless steel, nitinol or titanium, the first guide wheel 831 and the pair of clamping guide wheels 832 are used in cooperation to make the upper pull wire 81 or the lower pull wire 82 in an S-shape, and the S-shape can make the upper pull wire 81 or the lower pull wire 82 not move or move under the condition of no external force, so that the knife 70 is kept in a fixed state without change.
as shown in fig. 4 and 5, when in use, the guiding column 20 is retracted in the catheter 10 by the guiding wire 90, the front end of the catheter 10 is inserted into the inferior vena cava, after reaching a designated position, the guiding column 20 is extended by the guiding wire 90, and the knife 70 and the supporting rod 30 are further extended, the driving wire 31 of the supporting rod 30 is operated to move the supporting head 33 distally and abut against the side surface of the primary septum 40, the supporting head 33 is slowly operated to continue to move distally, the front end of the supporting head 33 is beyond the head end of the knife 70 to enlarge the opening 60, the upper pulling wire 81 and the lower pulling wire 82 are adjusted to keep the knife 70 in a fixed angle state, and then the driving wire 31 is pulled, the primary septum 40 is moved to the right atrium by the left atrial blood pressure, the primary edge that separates 40 can with cutting edge 731 contact forms new surface of a wound, because tool bit 73 cross-sectional area is followed the front end of tool bit 73 to the extending direction of the rear end of tool bit 73 crescent, so the surface of a wound can enlarge from little to big gradually, not only makes the operation efficient, has still avoided knife 70 withdraws the in-process and causes other positions to calculate, then utilizes prior art to use the medicine on the new surface of a wound for the self-healing of unclosed oval hole can not leave the wound again yet, and it is effectual to operate.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tool for forming a wound surface at the edge of a patent foramen ovale, comprising:
A catheter (10);
A guide post (20), the guide post (20) slidably disposed within the catheter (10);
The supporting rod (30) is slidably arranged in the third guide hole (23) of the guide column (20), and a supporting head (33) is arranged at the front end of the supporting rod (30);
The tail part of the knife (70) is pivoted on the guide column (20), and the head part of the knife (70) is provided with a knife head (73);
an operating mechanism (80), wherein the operating mechanism (80) comprises an upper pull wire (81) and a lower pull wire (82), one end of the upper pull wire (81) and one end of the lower pull wire (82) are connected to the knife (70), the other end of the upper pull wire (81) extends outwards through the second guide hole (22) of the guide post (20), and the other end of the lower pull wire (82) extends outwards through the first guide hole (21) of the guide post (20);
A guide wire (90), wherein one end of the guide wire (90) is connected to the guide post (20), and the other end of the guide wire (90) extends outwards along the catheter (10).
2. The tool for forming a wound surface at the edge of a patent foramen ovale according to claim 1, characterized in that the outer wall of the guide post (20) is in close contact with the inner wall of the catheter (10), and the outer surface of the guide post (20) is a friction surface.
3. The tool for forming a wound surface at the edge of a patent foramen ovale according to claim 1, characterized in that the supporting rod (30) further comprises a driving wire (31) and a thick column (32), the thick column (32) is slidably arranged at the third guiding hole (23), one end of the driving wire (31) is connected to the thick column (32), the other end of the driving wire (31) extends outwards, and the supporting head (33) is connected to the front end of the thick column (32).
4. The tool for forming a wound surface at the edge of a patent foramen ovale according to claim 3, characterized in that the supporting head (33) is arc-shaped, and a ball head (331) is provided on the front end of the supporting head (33).
5. The tool for forming a wound surface at the edge of a patent foramen ovale according to claim 1, characterized in that the operating mechanism (80) further comprises a pair of guide wheel sets (83) pivoted on the guide post (20), and the upper pull wire (81) and the lower pull wire (82) are respectively wound on one guide wheel set (83) to avoid the upper pull wire (81) and the lower pull wire (82) from being wound together.
6. a tool for forming a wound surface around the edge of a patent foramen ovale according to claim 5, characterized in that the guide wheel set (83) comprises a first guide wheel (831) and a pair of clamping guide wheels (832) correspondingly arranged, wherein the pair of clamping guide wheels (832) is positioned between the tail of the knife (70) and the first guide wheel (831).
7. The tool for forming the wound surface at the edge of the patent foramen ovale according to claim 1, characterized in that the knife (70) further comprises a swing rod (72) and a knife handle (71) which are connected in sequence, the swing rod (72) is pivoted on the guide column (20), the upper pull wire (81) and the lower pull wire (82) are both connected on a swing arm (721) of the swing rod (72), and the knife head (73) is positioned at the front end of the knife handle (71).
8. The tool for forming a wound surface on the edge of a patent foramen ovale according to claim 7, characterized in that the cutting head (73) comprises a cutting edge (731) and a pair of side edges (732) positioned on both sides of the cutting edge (731), and the cross-sectional area of the cutting head (73) is gradually increased along the extension direction of the front end of the cutting head (73) to the rear end of the cutting head (73).
9. Tool for forming a wound surface on the edge of a patent foramen ovale according to claim 8, characterized in that the cross section of the cutting head (73) is triangular.
10. Tool for forming a wound surface at the edge of a patent foramen ovale according to claim 1, characterized in that the cutting edge (731) of the cutting head (73) is arranged opposite to the support head (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551311.0A CN107307895B (en) | 2017-07-07 | 2017-07-07 | Tool for forming wound surface on edge of patent foramen ovale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551311.0A CN107307895B (en) | 2017-07-07 | 2017-07-07 | Tool for forming wound surface on edge of patent foramen ovale |
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| Publication Number | Publication Date |
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| CN107307895A CN107307895A (en) | 2017-11-03 |
| CN107307895B true CN107307895B (en) | 2019-12-06 |
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| CN201710551311.0A Active CN107307895B (en) | 2017-07-07 | 2017-07-07 | Tool for forming wound surface on edge of patent foramen ovale |
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| EP1663014B1 (en) * | 2003-09-11 | 2008-08-13 | NMT Medical, Inc. | Suture sever tube |
| CN101310679A (en) * | 2008-07-07 | 2008-11-26 | 侯传举 | Method for promoting border cell grow to self curing patent interatrial septum foramen ovale |
| CN101389282A (en) * | 2006-02-24 | 2009-03-18 | 泰尔茂株式会社 | Pfo closing device |
| CN102579089A (en) * | 2012-02-27 | 2012-07-18 | 北京迈迪顶峰医疗科技有限公司 | Rotary rubbing device |
| WO2014010041A1 (en) * | 2012-07-11 | 2014-01-16 | テルモ株式会社 | Medical device |
| CN205514707U (en) * | 2016-01-20 | 2016-08-31 | 上海形状记忆合金材料有限公司 | Apparatus through minimal access surgery treatment acleistocardia |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7462188B2 (en) * | 2003-09-26 | 2008-12-09 | Abbott Laboratories | Device and method for suturing intracardiac defects |
| US20080065156A1 (en) * | 2006-09-08 | 2008-03-13 | Hauser David L | Expandable clip for tissue repair |
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2017
- 2017-07-07 CN CN201710551311.0A patent/CN107307895B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1663014B1 (en) * | 2003-09-11 | 2008-08-13 | NMT Medical, Inc. | Suture sever tube |
| CN101389282A (en) * | 2006-02-24 | 2009-03-18 | 泰尔茂株式会社 | Pfo closing device |
| CN101310679A (en) * | 2008-07-07 | 2008-11-26 | 侯传举 | Method for promoting border cell grow to self curing patent interatrial septum foramen ovale |
| CN102579089A (en) * | 2012-02-27 | 2012-07-18 | 北京迈迪顶峰医疗科技有限公司 | Rotary rubbing device |
| WO2014010041A1 (en) * | 2012-07-11 | 2014-01-16 | テルモ株式会社 | Medical device |
| CN205514707U (en) * | 2016-01-20 | 2016-08-31 | 上海形状记忆合金材料有限公司 | Apparatus through minimal access surgery treatment acleistocardia |
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| Publication number | Publication date |
|---|---|
| CN107307895A (en) | 2017-11-03 |
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