CN113288259A - Blood vessel anastomotic supporting and clamping device - Google Patents
Blood vessel anastomotic supporting and clamping device Download PDFInfo
- Publication number
- CN113288259A CN113288259A CN202110626293.4A CN202110626293A CN113288259A CN 113288259 A CN113288259 A CN 113288259A CN 202110626293 A CN202110626293 A CN 202110626293A CN 113288259 A CN113288259 A CN 113288259A
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- blood vessel
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0491—Sewing machines for surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/17—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
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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
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00796—Breast surgery
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention relates to the technical field of medical instruments, in particular to a blood vessel anastomosis supporting and clamping device, which comprises: the first holding part and the second holding part are fixedly connected at one end and can be relatively close to or far away from each other to generate elastic deformation; the supporting part is fixedly arranged at the other end of the first holding part, the supporting part is of an arc structure, the opening is positioned at one end far away from the second holding part, and the supporting part extends into the blood vessel to support the inner wall of the blood vessel when the blood vessel is anastomosed; the clamping part is positioned at the other end of the second holding part, and when the clamping part is close to the supporting part, the clamping part and the supporting part clamp the blood vessel; when supporting a blood vessel, the longer the support portion extends into the blood vessel, the larger the blood vessel opening is spread. According to the invention, the longer the distance of the supporting part extending into the blood vessel is, the larger the opening of the blood vessel is opened, so that the blood vessel anastomosis stent can adapt to blood vessels with different thicknesses and adjust the tension of the anastomosis part of the blood vessel, and the anastomosis effect of the blood vessel is greatly increased.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a blood vessel anastomosis supporting and clamping device.
Background
The heart bypass operation is also called coronary artery bypass transplantation, and refers to an operation of establishing a passage between the proximal end and the distal end of the coronary artery stenosis to allow blood to bypass the stenosis to reach the distal end when one or more coronary arteries are narrowed or blocked due to atherosclerosis to cause insufficient blood supply.
In the heart bypass surgery, it is necessary to remove a narrow portion and then perform vascular anastomosis by taking a blood vessel of a patient or an artificial blood vessel as a passage. In the prior art, the anastomosis of blood vessels is usually performed by suturing two severed blood vessels, in which a needle with a thread is inserted from the outer wall of one severed blood vessel, then the needle is inserted from the lumen of the blood vessel into the lumen of the other severed blood vessel, and then the needle is inserted from the inner wall of the other blood vessel to the outer wall, and the process is repeated several times to anastomose the severed blood vessels with the thread. When the operation is carried out, the first two are very important for the anastomosis effect of the blood vessels, however, the blood vessels are soft, the inner walls of the blood vessels are always attached together under the action of gravity or self elastic retraction, the positions of the blood vessels are difficult to fix in the operation, and the insertion of the blood vessels is very inconvenient, so that the anastomosis effect is influenced.
In view of the above problems, the designer is based on the practical experience and professional knowledge of engineering application of such products for many years, and is engaged with the application of theory to actively make research and innovation, so as to create a blood vessel anastomosis supporting and clamping device, which is more practical.
Disclosure of Invention
The invention provides a blood vessel anastomosis supporting and clamping device, which effectively solves the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a vascular anastomosis support gripping device, comprising:
the first holding part and the second holding part are fixedly connected at one end and can be relatively close to or far away from each other to generate elastic deformation;
the supporting part is fixedly arranged at the other end of the first holding part, the supporting part is of an arc structure, an opening is positioned at one end far away from the second holding part, and the supporting part extends into the blood vessel to support the inner wall of the blood vessel when the blood vessel is anastomosed;
the clamping part is positioned at the other end of the second holding part, and when the clamping part is close to the supporting part, the clamping part and the supporting part clamp the blood vessel;
when the supporting part supports the blood vessel, the longer the distance of the supporting part extending into the blood vessel is, the larger the opening of the blood vessel is spread.
Further, the supporting part is keeping away from the one end of clamping part is provided with the scarf, the scarf is followed the supporting part stretches into vascular one end and extends to the other end, the circular arc structure is followed the shared whole round angle of its circular arc of scarf grow gradually.
Furthermore, the diameters of the circles of the arc structures of the supporting parts along the length extension direction are the same.
Furthermore, the diameter of the circle of the arc structure of the support part along the length extension direction is gradually increased from one end of the support part extending into the blood vessel to the other end of the support part.
Furthermore, the circular arc structure has the same circular angle occupied by the circular arc.
Further, the clamping part is arc-shaped, and the opening is located at one end close to the supporting part.
Further, the clamping part is provided with an anti-slip structure at one end close to the supporting part.
Further, the clamping part is sleeved with a flexible sleeve, the flexible sleeve is arc-shaped, and the opening is located at one end close to the supporting part.
Furthermore, the flexible sleeve is provided with an anti-skidding structure at one end close to the supporting part.
Further, the first holding portion and/or the second holding portion is provided with an arched section.
The invention has the beneficial effects that: the invention arranges the first holding part and the second holding part, the first holding part is provided with the supporting part which is in an arc structure, the supporting part extends into the blood vessel to support the inner wall of the blood vessel when the blood vessel is inosculated, thereby preventing the inner walls of the blood vessel from being attached together under the action of gravity or self elasticity when the blood vessel is inosculated, the opening of the arc structure is arranged at one end far away from the second holding part, when the supporting part supports the blood vessel, the arc structure reserves space for a needle to facilitate the inosculation of the blood vessel, the second holding part is provided with the clamping part, the first holding part and the second holding part can mutually approach or keep away from the elastic deformation, the clamping part moves towards one end close to the supporting part under the external force holding, the clamping part and the supporting part clamp the blood vessel, thereby fixing the position of the blood vessel and facilitating the inosculation operation of the blood vessel, and the distance of the supporting part extending into the blood vessel is longer, the larger the opening of the blood vessel is expanded, thereby being suitable for the blood vessels with different thicknesses and adjusting the tension of the anastomotic position of the blood vessel, and greatly increasing the anastomotic effect of the blood vessel.
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 described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure in example 1;
FIG. 2 is a schematic structural view of a flexible sheath;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a schematic structural view of embodiment 2;
fig. 5 is a schematic structural view of the support part in embodiment 2.
Reference numerals: 1. a first holding portion; 2. a second holding portion; 3. a support portion; 31. a chamfer plane; 4. a clamping portion; 5. an anti-slip structure; 6. a flexible sleeve; 7. an arch segment.
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.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in fig. 1 to 3: a vascular anastomosis support gripping device, comprising: :
the first holding part 1 and the second holding part 2 are fixedly connected at one end, and the first holding part 1 and the second holding part 2 can be relatively close to or far away from each other to generate elastic deformation;
the supporting part 3 is fixedly arranged at the other end of the first holding part 1, the supporting part 3 is of an arc structure, an opening is positioned at one end far away from the second holding part 2, and the supporting part 3 extends into the blood vessel to support the inner wall of the blood vessel when the blood vessel is anastomosed;
the clamping part 4 is positioned at the other end of the second holding part 2, and when the clamping part 4 is close to the supporting part 3, the clamping part 4 and the supporting part 3 clamp the blood vessel;
the support portion 3 expands the vessel opening as the distance into the vessel becomes longer when supporting the vessel.
By arranging the first holding part 1 and the second holding part 2, the first holding part 1 is provided with the supporting part 3, the supporting part 3 is of an arc structure, the supporting part 3 extends into a blood vessel to support the inner wall of the blood vessel when the blood vessel is anastomosed, so that the inner wall of the blood vessel is prevented from being attached together under the action of gravity or self elasticity when the blood vessel is anastomosed, the opening of the arc structure is positioned at one end far away from the second holding part 2, when the supporting part 3 supports the blood vessel, the arc structure reserves a space for a needle to facilitate the anastomosis of the blood vessel, the second holding part 2 is provided with the clamping part 4, the first holding part 1 and the second holding part 2 can be close to or far away from each other to generate elastic deformation, the clamping part 4 moves towards one end close to the supporting part 3 under the external force holding, the clamping part 4 clamps the blood vessel with the supporting part 3, thereby fixing the position of the blood vessel and facilitating the anastomosis operation of the blood vessel, and the longer the distance that the supporting part 3 extends into the blood vessel, the larger the opening of the blood vessel is opened, thereby being suitable for the blood vessels with different thicknesses and adjusting the tension force of the anastomotic part of the blood vessel, and greatly increasing the anastomotic effect of the blood vessel.
In this embodiment, the support portion 3 is provided with a chamfer 31 at one end away from the clamping portion 4, the chamfer 31 extends along one end of the support portion 3 extending into the blood vessel to the other end, and the circular arc structure gradually increases along the whole circle angle occupied by the circular arc of the chamfer 31.
Set up scarf 31 through the one end of keeping away from clamping part 4 at supporting part 3, scarf 31 stretches into vascular one end from supporting part 3 and extends to the other end, the circular arc structure is along the shared whole round angle grow gradually of scarf 31 its circular arc, it is more convenient when stretching into the blood vessel, and when supporting part 3 stretches into the blood vessel and supports the blood vessel inner wall, it is big more to stretch into the distance, here circular arc accounts for whole round angle big more, it struts the blood vessel opening big more, thereby can adapt to the blood vessel of different thicknesses and to the regulation of the anastomotic department tensile force of blood vessel, the hematal anastomotic effect has been greatly increased.
Preferably, the support portion 3 has the same diameter of the circle having the circular arc structure along the longitudinal extension direction.
The diameters of the circles of the arc structures of the supporting part 3 along the length extension direction are the same, so that the blood vessel anastomosis supporting and clamping devices with different sizes can be adapted to the diameters of the circles of the arc structures, and the blood vessel anastomosis supporting and clamping devices with different sizes can be selected for blood vessels with different thicknesses before blood vessels are anastomosed, so that the supporting effect and the blood vessel anastomosis effect are improved.
In this embodiment, the clamping portion 4 is circular arc-shaped, and the opening is located at one end close to the supporting portion 3.
Through setting up clamping part 4 into arc, and the opening is located the one end that is close to supporting part 3 to when carrying out the centre gripping to the blood vessel, the arc and the blood vessel outer wall of clamping part 4 laminate, better carry out the centre gripping to the blood vessel, and avoid causing the damage to the blood vessel.
In order to prevent the blood vessel from sliding to affect the anastomosis operation when clamping the blood vessel, the clamping portion 4 is provided with an anti-slip structure 5 at one end close to the supporting portion 3, so as to limit the sliding of the blood vessel when clamping, thereby better fixing the position of the blood vessel, and the anti-slip structure 5 can be provided with a plurality of anti-slip grooves or a plurality of anti-slip lines.
Or, in order to better protect the blood vessel, the clamping part 4 is sleeved with the flexible sleeve 6, the flexible sleeve 6 is arc-shaped, the opening is positioned at one end close to the supporting part 3, the flexible sleeve 6 is sleeved on the clamping part 4, when the blood vessel is clamped, the flexible sleeve 6 is in contact clamping with the blood vessel, and therefore the blood vessel is better protected.
The flexible sleeve 6 can be arranged to be of a medical rubber structure, and the flexible sleeve 6 and the clamping part 4 can be correspondingly provided with a groove or a limiting structure for preventing separation.
As a preference of the above embodiment, the flexible sheath 6 is provided with an anti-slip structure 5 at one end near the support portion 3.
By providing the anti-slip structure 5 at the end of the flexible sleeve 6 near the support portion 3, the blood vessel is restrained from slipping during clamping, thereby better fixing the position thereof.
As a preference of the above embodiment, the first grip part 1 and/or the second grip part 2 is/are provided with an arched section 7.
The first holding part 1 and/or the second holding part 2 are/is provided with the arch sections 7, so that when a person holds the blood vessel, the human body accords with human engineering, multiple holding modes are realized, and the convenience of blood vessel supporting and clamping operation during blood vessel anastomosis operation is improved.
Example 2:
as shown in fig. 4 to 5, unlike embodiment 1, the support portion 3 has a circular arc structure whose diameter is gradually increased from one end of the support portion 3 extending into the blood vessel to the other end thereof in the longitudinal extending direction.
Through stretching into vascular one end to the other end grow gradually from supporting part 3 along its circular arc structure place circle diameter of length extending direction with supporting part 3 to in more conveniently stretching into the blood vessel, and when supporting part 3 stretched into the blood vessel and supported the blood vessel inner wall, it is big more to stretch into the distance, the diameter of this department circular arc constantly increases, it struts the blood vessel opening big more, thereby can adapt to the blood vessel of different thicknesses and to the anastomotic regulation of a tensile force of blood vessel, greatly increased vascular identical effect.
In this embodiment, the circular arc structure has the same circular angle occupied by the circular arc.
The whole circle angle occupied by the circular arcs of the front circular arc structure and the rear circular arc structure is the same, and the distance change is only reflected in the difference of the diameters of the circular arcs, so that when the blood vessel is stretched into for supporting, the change is more linear, the tension of the blood vessels with different thicknesses and the tension of the anastomotic part of the blood vessel can be better adjusted, and the operation is more convenient.
In the invention, the blood vessel anastomosis supporting and clamping devices with different sizes can be made according to different sizes so as to be more suitable for requirements; the material can be various, and stainless steel, titanium metal and alloy thereof, composite material, high polymer material and the like can be adopted; the edges of the invention are all processed with round corners to prevent the damage to blood vessels.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A vascular anastomosis support clamping device, comprising:
the first holding part (1) and the second holding part (2) are fixedly connected at one end, and the first holding part (1) and the second holding part (2) can be relatively close to or far away from each other to generate elastic deformation;
the supporting part (3) is fixedly arranged at the other end of the first holding part (1), the supporting part (3) is of an arc structure, an opening is positioned at one end far away from the second holding part (2), and the supporting part (3) extends into a blood vessel to support the inner wall of the blood vessel when the blood vessel is anastomosed;
the clamping part (4) is positioned at the other end of the second holding part (2), and when the clamping part (4) is close to the supporting part (3), the clamping part (4) and the supporting part (3) clamp the blood vessel;
when the supporting part (3) supports the blood vessel, the longer the distance of the supporting part extending into the blood vessel is, the larger the opening of the blood vessel is expanded.
2. The blood vessel anastomosis supporting and clamping device according to claim 1, wherein the supporting portion (3) is provided with a chamfer (31) at an end away from the clamping portion (4), the chamfer (31) extends along the end of the supporting portion (3) extending into the blood vessel to the other end, and the circular arc structure gradually increases along the chamfer (31) in the whole circle occupied by the circular arc.
3. The anastomosis support and clamping device according to claim 2, wherein the support portion (3) has a circular arc configuration with the same diameter along the length extension.
4. The anastomosis support and clamping device according to claim 1, wherein the support portion (3) has a circular arc configuration with a diameter gradually increasing from one end of the support portion (3) extending into the blood vessel to the other end thereof along the length extension direction.
5. The device as claimed in claim 4, wherein the circular arc structure has the same circular angle occupied by the circular arcs.
6. The anastomotic support and clamping device according to any one of claims 1 to 5, wherein the clamping portion (4) has a circular arc shape with an opening located near one end of the support portion (3).
7. The anastomotic support clamp device according to claim 6, wherein the clamping portion (4) is provided with an anti-slip structure (5) at one end close to the support portion (3).
8. The anastomosis support and clamping device according to any of claims 1 to 5, wherein the clamping portion (4) is sleeved with a flexible sleeve (6), the flexible sleeve (6) is in the shape of a circular arc, and the opening is located at one end close to the supporting portion (3).
9. The anastomotic support and clamping device according to claim 8, wherein the flexible sleeve (6) is provided with an anti-slip structure (5) at one end close to the support portion (3).
10. The vascular anastomosis support clamping device according to claim 1, characterized in that the first grip portion (1) and/or the second grip portion (2) is provided with an arched section (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110626293.4A CN113288259B (en) | 2021-06-04 | 2021-06-04 | Blood vessel anastomotic supporting and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110626293.4A CN113288259B (en) | 2021-06-04 | 2021-06-04 | Blood vessel anastomotic supporting and clamping device |
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| CN113288259A true CN113288259A (en) | 2021-08-24 |
| CN113288259B CN113288259B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110626293.4A Active CN113288259B (en) | 2021-06-04 | 2021-06-04 | Blood vessel anastomotic supporting and clamping device |
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| CN (1) | CN113288259B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114073554A (en) * | 2022-01-19 | 2022-02-22 | 江苏泰科博曼医疗器械有限公司 | Minimally invasive surgery suture end locking device and method and operation gun body |
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| Publication number | Publication date |
|---|---|
| CN113288259B (en) | 2022-07-26 |
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