CN108771556B - Automatic anastomosis device for minimally invasive blood vessels - Google Patents
Automatic anastomosis device for minimally invasive blood vessels Download PDFInfo
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- CN108771556B CN108771556B CN201810319834.7A CN201810319834A CN108771556B CN 108771556 B CN108771556 B CN 108771556B CN 201810319834 A CN201810319834 A CN 201810319834A CN 108771556 B CN108771556 B CN 108771556B
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1107—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis for blood vessels
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1135—End-to-side connections, e.g. T- or Y-connections
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Abstract
The invention relates to a minimally invasive blood vessel automatic anastomosis device, which comprises: the bending device is fixedly connected with the bottom end of the hollow long rod, and the conical head is provided with a platform end and a tip end, wherein the grab handle can drive the movable push rod to slide up and down in the hollow long rod; when the free end of the bending device is extruded, the middle part of the bending device can bend and protrude outwards, and a plurality of needle grooves are uniformly formed in the lower part of the bending device along the circumferential direction of the bending device; the conical head is fixedly connected with the bottom end of the movable push rod through the center of the platform end, and the edge of the platform end is provided with an annular cutting edge perpendicular to the platform end. The minimally invasive automatic vascular anastomosis device realizes the one-time completion of the opening on the aorta and the anastomosis of the bridged vessels by arranging the bending device and the two-stage compression of the movable push rod, and has the advantages of simple and convenient use, safety and high efficiency.
Description
Technical Field
The invention relates to a medical instrument, in particular to an automatic minimally invasive blood vessel anastomosis device.
Background
The heart bypass grafting operation is required for patients with myocardial ischemia, and the general process is to connect a bridging blood vessel to the epicardial coronary artery, open a hole in the aorta, and connect and anastomose the bridging blood vessel with the opening in the aorta, so as to realize the bypass between the coronary artery blood vessel and the aorta. Because the pressure of blood in the aorta is high and the flow speed is high, the opening of a hole directly on the aorta will cause heavy bleeding, so in the traditional heart bypass transplantation operation, a part of aorta needs to be clamped by using a side wall clamp firstly, a small part of aorta tissue without blood flow is isolated, then a hole is punched on the part of the aorta wall by using a hole puncher, and the connection with a transplantation bypass blood vessel is completed. However, for the minimally invasive bypass surgery, the opening on the body of the patient is small, the operation space is limited, and the side wall forceps have large volume and cannot be used in the minimally invasive heart surgery, so that the opening on the aorta and the bypass blood vessel anastomosis transplantation are difficult.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a minimally invasive automatic vascular anastomosis device which can realize the one-time completion of hole opening and anastomosis bridging on an aorta, is simple and convenient to use, and is safe and efficient.
In order to achieve the purpose, the invention adopts the following technical scheme: an automatic minimally invasive vascular anastomosis device, characterized in that it comprises: the bending device comprises a hollow long rod, a movable push rod, a grab handle, a bending device and a conical head, wherein the movable push rod is arranged in the hollow long rod in a sliding manner, the grab handle is connected with the top end of the hollow long rod and the movable push rod, the bending device is fixedly connected with the bottom end of the hollow long rod, and the conical head is provided with a platform end and a tip end; when the free end of the bending device is extruded, the middle part of the bending device can bend and protrude outwards, and a plurality of needle grooves are uniformly formed in the lower part of the bending device along the circumferential direction of the bending device; the conical head is fixedly connected with the bottom end of the movable push rod through the center of the platform end, and the edge of the platform end is provided with an annular cutting edge perpendicular to the platform end;
the movement position of the movable push rod comprises three states:
free state: the movable push rod is positioned at the uppermost position in the long hollow rod, and the platform end of the conical head contacts and extrudes the free end of the bending device to enable the middle part of the bending device to bend and protrude outwards;
cutting state: the movable push rod is positioned at the lowest end position in the long hollow rod, the platform end of the conical head is not contacted with the free end of the bending device, the annular cutting edge is exposed, and the bending device is integrally straight;
drilling-in and taking-out states: the movable push rod is arranged in the middle of the hollow long rod, the platform end of the conical head is in contact with the free end of the bending device but is not extruded, the annular cutting edge is hidden in the bending device, and the bending device is flat and straight as a whole.
The grab handle is fixedly connected with the top end of the long hollow rod through an elastic sheet, the grab handle is opened at an angle relative to the long hollow rod in a free state, and the grab handle can move relative to the long hollow rod by pressing; the side wall of the middle upper part of the hollow long rod is provided with a sliding groove, the grab handle is positioned on the same side of the sliding groove, and the opening end of the grab handle corresponds to the sliding groove; the handle is characterized by further comprising a movable connecting rod penetrating through the sliding groove, the opening end of the handle is connected with the top end of the movable push rod through the movable connecting rod, and the handle can be pressed to drive the movable push rod to slide up and down in the long hollow rod.
The side wall of the middle upper part of the hollow long rod is symmetrically provided with two sliding grooves, and the grab handle and the movable connecting rod are symmetrically arranged.
And the hollow long rod and the movable push rod are also provided with positioning devices, and the positioning devices can fix the movement position of the movable push rod in a drilling-in and taking-out state.
The positioning device comprises an elastic clamping ball arranged on the movable push rod and a clamping groove arranged on the hollow long rod, and a button is arranged in the clamping groove; when the movable push rod moves to the position of the drilling-in and taking-out state, the elastic clamping ball just enters the clamping groove, so that the movable push rod is fixed, and the elastic clamping ball jacks up the button; and pressing the button to push the elastic clamping ball out of the clamping groove, so that the movable push rod can continue to move in the long hollow rod.
The number of the needle grooves is 4-8.
And a wiring groove corresponding to the needle groove is formed in the outer wall of the long hollow rod.
The outer diameter of the long hollow rod, the outer diameter of the bending device in an integral straight state and the outer diameter of the platform end of the conical head are consistent in size.
The hollow long rod, the grab handle, the movable push rod, the bending device and the conical head are all made of medical stainless steel.
Due to the adoption of the technical scheme, the invention has the following advantages: 1. according to the minimally invasive automatic vascular anastomosis device, the bending device and the two-section compression of the movable push rod are arranged, so that the opening on the aorta and the anastomosis and bridging of the blood vessels are completed at one time, and the minimally invasive automatic vascular anastomosis device is simple and convenient to use, safe and efficient. 2. The automatic minimally invasive vascular anastomosis device is simple in structure and convenient to manufacture and use, and can be widely applied to minimally invasive surgeries of heart bridging and other minimally invasive surgeries needing opening and anastomosis.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partially enlarged structure of the present invention in a free state;
FIG. 3 is a partially enlarged schematic view of the present invention in the state of being drilled and removed;
FIG. 4 is a partially enlarged view of the cutting part of the present invention;
fig. 5 is an enlarged schematic view of the positioning device of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
As shown in fig. 1 to 4, the invention provides an automatic minimally invasive blood vessel anastomosis device, which comprises a long hollow rod 1, an elastic grab handle 2, a movable push rod 3, a movable connecting rod 4, a bending device 5, a conical head 6 and a positioning device 7. Wherein, the side wall of the middle upper part of the long hollow rod 1 is provided with a chute 11; the elastic grab handle 2 is fixedly connected with the top end of the long hollow rod 1 through the elastic sheet 21, the elastic grab handle 2 is positioned at the same side of the sliding chute 11, the position of the opening end 22 of the elastic grab handle 2 corresponds to the position of the sliding chute 11, the elastic grab handle 2 is opened at a certain angle relative to the long hollow rod 1 in a free state, and the elastic grab handle 2 can move relative to the long hollow rod 1 by pressing; the movable push rod 3 is arranged inside the long hollow rod 1 in a sliding manner; the movable connecting rod 4 passes through the sliding chute 11, one end of the movable connecting rod is connected with the opening end 22 of the elastic grab handle 2, and the other end of the movable connecting rod is connected with the top end of the movable push rod 3, so that the movable push rod 3 can be driven to slide up and down in the hollow long rod 1 by pressing the elastic grab handle 2; the bending device 5 is fixedly connected with the bottom end of the long hollow rod 1, the middle part of the bending device 5 can bend and protrude outwards when the free end of the bending device 5 is extruded, and a plurality of needle grooves 51 are uniformly formed in the lower part of the bending device 5 along the circumferential direction of the bending device 5; the conical head 6 comprises a platform end 61 and a tip end 62, the conical head 6 is fixedly connected with the bottom end of the movable push rod 3 through the center of the platform end 61, and the edge of the platform end 61 of the conical head 6 is provided with an annular cutting edge 63 vertical to the platform end 61; the positioning device 7 is arranged on the long hollow rod 1 and the movable push rod 3, and can fix the movement position of the movable push rod 3 in a drilling and taking-out state.
The automatic minimally invasive blood vessel anastomosis device comprises three working states:
free state: the movable push rod 3 is positioned at the uppermost position in the long hollow rod 1, and the platform end 61 of the conical head 6 contacts and extrudes the free end of the bending device 5, so that the middle part of the bending device 5 is bent and protrudes outwards.
Cutting state: the movable push rod 3 is positioned at the lowest end position in the long hollow rod 1, the platform end 61 of the conical head 6 is not contacted with the free end of the bending device 5, the annular cutting edge 63 is exposed, and the bending device 5 is integrally straight.
Drilling-in and taking-out states: the movable push rod 3 is arranged at the relative middle position in the long hollow rod 1, the platform end 61 of the conical head 6 is contacted with the free end of the bending device 5 but not extruded, the annular cutting edge 63 is hidden in the bending device 5, and the bending device 5 is integrally straight.
In the above embodiment, two sliding grooves 11 are symmetrically formed in the side wall of the middle upper part of the long hollow rod 1, the corresponding elastic grab handles 2 and the corresponding movable connecting rods 4 also comprise two symmetrically arranged elastic grab handles 2, the sliding grooves 11 and the movable connecting rods 4, so that the holding and the operation are more convenient and simpler.
In the above embodiment, the outer wall of the long hollow rod 1 is provided with the cabling groove 12 corresponding to the position of the needle groove 51 for placing the suture thread, so that the suture thread can be prevented from being randomly placed to cause entanglement and disorder.
In the above embodiment, the outer diameter of the long hollow rod 1, the outer diameter of the bending device 5 in the overall flat state, and the outer diameter of the platform end 61 of the cone head 6 are the same.
In the above embodiment, the number of the needle grooves 51 is 4 to 8.
In the above embodiment, as shown in fig. 5, the positioning device 7 includes an elastic ball 71 disposed on the movable push rod 3 and a slot 72 disposed on the long hollow rod 1, and a button 73 is further disposed in the slot 72; when the movable push rod 3 moves to the position of the drilling-in and taking-out state, the elastic clamping ball 71 just enters the clamping groove 72, so that the movable push rod 3 is fixed, and the button 73 is jacked up by the elastic clamping ball 71; the button 73 is pressed to push the elastic clamping ball 71 out of the clamping groove 72, so that the movable push rod 3 can continue to move in the long hollow rod 1.
In the above embodiment, the long hollow rod 1, the elastic grab handle 2, the movable push rod 3, the movable connecting rod 4, the bending device 5, the conical head 6 and the positioning device 7 are all made of medical stainless steel, and are simple to manufacture and easy to clean.
When the minimally invasive blood vessel automatic anastomosis device is used, firstly, the middle part of the bending device 5 is bent and protruded under a free state, the needle groove 51 is well exposed, a suture needle 200 can be conveniently arranged in the needle groove 51, and a suture line is arranged in the wiring groove 12, so that the suture line is prevented from being randomly arranged and entangled; then, the elastic grab handle 2 is pressed, the movable connecting rod 4 drives the movable push rod 3 to move downwards until the elastic clamping ball 71 just enters the clamping groove 72, the movable push rod 3 is fixed in the drilling and taking-out state, the position to be bridged is marked on the aorta, the tip 62 of the conical head 6 is used for drilling into the aorta blood vessel, and the wall of the aorta blood vessel is expanded; the button 73 is pressed down to eject the elastic clamping ball 71 out of the clamping groove 72, the movable push rod 3 can continue to move, the elastic grab handle 2 is continuously pressed, the annular cutting edge 63 is exposed, the aorta vessel wall is contracted onto the movable push rod 3, and the aorta vessel is in a cutting state at the moment; the elastic grab handle 2 is loosened, the movable push rod 3 automatically moves upwards under the action of the restoring force of the elastic sheet 21 until the elastic clamping ball 71 just enters the clamping groove 72, the movable push rod 3 is fixed in a drilling-in and taking-out state, and at the moment, the annular cutting edge 63 cuts an opening with the diameter the same as the outer diameter of the platform end 61 of the conical head 6 on the aortic vessel wall in the upward movement process; the long hollow rod 1 is pushed to continue to enter the aorta until the bending device 5 completely enters the aorta, the button 73 is pressed down, the elastic clamping ball 71 is ejected out of the clamping groove 72, and the movable push rod 3 can continue to move; the elastic grab handle 2 is completely released, and at the moment, the middle part of the bending device 5 is bent and protruded under the free state, so that the suture needle 200 is opened and exposed in the aorta vessel; the long hollow rod 1 is drawn out of the aorta, and the distance from the needle point to the center of the upper opening of the aorta after the suture needle 200 is opened is larger than the radius of the opening, so the suture needle 200 can penetrate out of the wall of the aorta from the periphery of the opening; sequentially drawing out the suture needles 200 and primarily suturing the aorta opening and the bridged blood vessel; finally, the elastic grab handle 2 is pressed again, the movable connecting rod 4 drives the movable push rod 3 to move downwards until the elastic clamping ball 71 just enters the clamping groove 72, the movable push rod 3 is fixed in a drilling-in and taking-out state, the hollow long rod 1 is rapidly drawn out, and the aorta opening and the bridging blood vessel are finally sutured. When the minimally invasive automatic vascular anastomosis device is used for surgery, a single person can conveniently operate the minimally invasive automatic vascular anastomosis device, the opening on the blood vessel is small, and the bleeding risk in the surgery is effectively reduced.
The above embodiments are only used for illustrating the present invention, and the structure, the arrangement position, the connection mode, and the like of each component can be changed, and all equivalent changes and improvements based on the technical scheme of the present invention should not be excluded from the protection scope of the present invention.
Claims (10)
1. An automatic minimally invasive vascular anastomosis device, characterized in that it comprises:
a hollow long rod is arranged on the upper part of the frame,
a movable push rod arranged inside the hollow long rod in a sliding way,
a grab handle connected with the top end of the long hollow rod and the movable push rod,
a bending device fixedly connected with the bottom end of the long hollow rod, an
A conical head having a platform end and a tip end,
the grab handle can drive the movable push rod to slide up and down in the long hollow rod; when the free end of the bending device is extruded, the middle part of the bending device can bend and protrude outwards, and a plurality of needle grooves are uniformly formed in the lower part of the bending device along the circumferential direction of the bending device; the conical head is fixedly connected with the bottom end of the movable push rod through the center of the platform end, and the edge of the platform end is provided with an annular cutting edge perpendicular to the platform end;
the movement position of the movable push rod comprises three states:
free state: the movable push rod is positioned at the uppermost position in the long hollow rod, and the platform end of the conical head contacts and extrudes the free end of the bending device to enable the middle part of the bending device to bend and protrude outwards;
cutting state: the movable push rod is positioned at the lowest end position in the long hollow rod, the platform end of the conical head is not contacted with the free end of the bending device, the annular cutting edge is exposed, and the bending device is integrally straight;
drilling-in and taking-out states: the movable push rod is arranged in the middle of the hollow long rod, the platform end of the conical head is in contact with the free end of the bending device but is not extruded, the annular cutting edge is hidden in the bending device, and the bending device is flat and straight as a whole.
2. The automatic minimally invasive vascular anastomosis device according to claim 1, wherein the handle is fixedly connected with the top end of the long hollow rod through an elastic sheet, the handle is opened at an angle relative to the long hollow rod in a free state, and the handle is pressed to move relative to the long hollow rod; the side wall of the middle upper part of the hollow long rod is provided with a sliding groove, the grab handle is positioned on the same side of the sliding groove, and the opening end of the grab handle corresponds to the sliding groove; the handle is characterized by further comprising a movable connecting rod penetrating through the sliding groove, the opening end of the handle is connected with the top end of the movable push rod through the movable connecting rod, and the handle can be pressed to drive the movable push rod to slide up and down in the long hollow rod.
3. The automatic minimally invasive vascular anastomosis device according to claim 2, wherein the side wall of the middle upper portion of the long hollow rod is symmetrically provided with two sliding grooves, and the grab handle and the movable connecting rod are symmetrically provided with two sliding grooves.
4. The automatic minimally invasive vascular anastomosis device according to claim 1, 2 or 3, wherein said hollow long rod and said movable push rod are further provided with positioning means capable of fixing the moving position of said movable push rod in the drilling and withdrawing states.
5. The automatic minimally invasive vascular anastomosis device according to claim 4, wherein the positioning device comprises an elastic clamping ball arranged on the movable push rod and a clamping groove arranged on the long hollow rod, and a button is arranged in the clamping groove; when the movable push rod moves to the position of the drilling-in and taking-out state, the elastic clamping ball just enters the clamping groove, so that the movable push rod is fixed, and the elastic clamping ball jacks up the button; and pressing the button to push the elastic clamping ball out of the clamping groove, so that the movable push rod can continue to move in the long hollow rod.
6. The minimally invasive automatic vascular anastomosis device according to claim 1, 2, 3 or 5, wherein the number of the needle grooves is 4-8.
7. The automatic minimally invasive vascular anastomosis device according to claim 4, wherein the number of the needle grooves is 4-8.
8. The automatic minimally invasive vascular anastomosis device according to claim 1, 2, 3, 5 or 7, wherein the outer wall of the hollow long rod is provided with a routing groove corresponding to the position of the needle groove.
9. The minimally invasive automatic vascular anastomosis device according to claim 1, 2, 3, 5 or 7, wherein the outer diameter of the long hollow rod, the outer diameter of the bending device in the overall flat state and the outer diameter of the platform end of the conical head are consistent in size.
10. The automatic minimally invasive vascular anastomosis device according to claim 1, 2, 3, 5 or 7, wherein said hollow long rod, said handle, said movable push rod, said bending means and said conical head are made of medical grade stainless steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319834.7A CN108771556B (en) | 2018-04-11 | 2018-04-11 | Automatic anastomosis device for minimally invasive blood vessels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319834.7A CN108771556B (en) | 2018-04-11 | 2018-04-11 | Automatic anastomosis device for minimally invasive blood vessels |
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| CN108771556A CN108771556A (en) | 2018-11-09 |
| CN108771556B true CN108771556B (en) | 2020-05-05 |
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| CN201810319834.7A Active CN108771556B (en) | 2018-04-11 | 2018-04-11 | Automatic anastomosis device for minimally invasive blood vessels |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368155B (en) * | 2019-08-30 | 2021-03-09 | 河南科技大学第一附属医院 | Broken end blood vessel anastomosis supporting device |
| CN110368047B (en) * | 2019-08-30 | 2021-05-18 | 江苏华夏医疗器械有限公司 | Blood vessel end-to-end anastomosis device |
| CN116725600A (en) * | 2021-02-24 | 2023-09-12 | 王永红 | Bridging tool combination capable of measuring pipe diameter and temporarily connecting broken blood vessel |
| CN114948038B (en) * | 2022-07-28 | 2022-09-30 | 北京大学第三医院（北京大学第三临床医学院） | Automatic anastomosis device for minimally invasive blood vessels through catheters |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201200451Y (en) * | 2008-06-14 | 2009-03-04 | 包军胜 | Perforator for middle and small arterial vessels |
| CN202654178U (en) * | 2012-06-21 | 2013-01-09 | 北京思达医用装置有限公司 | Proximal anastomosis auxiliary apparatus for minimally-invasive coronary artery bypass graft |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6860891B2 (en) * | 2001-09-28 | 2005-03-01 | Ethicen, Inc. | Arrangement and method for vascular anastomosis |
| US20050203551A1 (en) * | 2004-03-09 | 2005-09-15 | Kevin Weadock | Method for performing a coronary artery bypass graft procedure |
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2018
- 2018-04-11 CN CN201810319834.7A patent/CN108771556B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201200451Y (en) * | 2008-06-14 | 2009-03-04 | 包军胜 | Perforator for middle and small arterial vessels |
| CN202654178U (en) * | 2012-06-21 | 2013-01-09 | 北京思达医用装置有限公司 | Proximal anastomosis auxiliary apparatus for minimally-invasive coronary artery bypass graft |
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