CN111772735A - Vascular reconstruction end-to-side anastomosis surgical scissors - Google Patents
Vascular reconstruction end-to-side anastomosis surgical scissors Download PDFInfo
- Publication number
- CN111772735A CN111772735A CN202010808483.3A CN202010808483A CN111772735A CN 111772735 A CN111772735 A CN 111772735A CN 202010808483 A CN202010808483 A CN 202010808483A CN 111772735 A CN111772735 A CN 111772735A
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- connecting rod
- handle
- blade
- blade part
- sliding
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- 230000003872 anastomosis Effects 0.000 title claims abstract description 31
- 230000002792 vascular Effects 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000001356 surgical procedure Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000003445 biliary tract Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003240 portal vein Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 210000000626 ureter Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Classifications
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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
- A61B17/3201—Scissors
Abstract
The invention provides vascular reconstruction end-to-side anastomosis surgical scissors which comprise a first blade part, a second blade part, a first handle part, a second handle part and an angle limiting mechanism, wherein the angle limiting mechanism is connected with the first handle part and the second handle part; the first handle part and the second handle part are used for driving the first blade part and the second blade part to be mutually opened or closed, and the angle limiting mechanism is used for adjusting and limiting the maximum opening angle of the first blade part and the second blade part. Therefore, the opening angle of the surgical scissors can be adjusted and limited according to the size of the opening hole in the process of the vascular reconstruction surgery, and the opening hole on the side wall of the vessel is prevented from being damaged by misoperation. The problem of adopt ordinary operation scissors easily to cut bad vascular lateral wall trompil when carrying out the vascular reconstruction end side anastomosis operation among the prior art and lead to the operation failure is solved.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to vascular reconstruction end-to-side anastomosis surgical scissors.
Background
When a vascular reconstruction operation is performed in the medical field, an end-to-end anastomosis mode is generally adopted, namely, the broken ends of two vessels are anastomosed and connected. However, in the actual surgical procedure, the diameters of two vessels anastomosed with each other are different, the difficulty of end-to-end anastomosis is high, and the success rate of the surgery is low. Therefore, many of the current vascular reconstruction operations are connected by means of end-to-end anastomosis, i.e. a connecting hole is formed in the side wall of one vessel, and the broken end of the other vessel is anastomosed to the connecting hole.
The difficulty of the end-to-side anastomosis connection is that when the side wall of a vessel is opened, the diameter of the opened vessel needs to be matched with the diameter of another vessel, so that the success rate of the operation can be ensured.
At present, the existing common surgical scissors are adopted when the end-to-side anastomosis surgical opening is performed, the opening and closing size of two blade parts of the existing surgical scissors is controlled by an operator, and the opening and closing size of the two blade parts cannot be adjusted according to the diameter of the surgical opening; in the case of a hole with a small diameter, if the operator fails to operate the hole, the vessel side wall is easily cut through a large hole when the two blade portions are opened at a time by a large angle and cut off at a time, resulting in a failure of the operation.
Disclosure of Invention
The invention mainly aims to provide vessel reconstruction end-to-side anastomosis surgical scissors, which at least solve the problem that in the prior art, when the vessel reconstruction end-to-side anastomosis surgery is performed, the common surgical scissors are easy to cut open and damage a vessel side wall, so that the surgery fails.
In order to achieve the above object, the present invention provides a vessel reconstruction end-to-side anastomosis surgical scissors, comprising: the rear end part of the first blade part and the rear end part of the second blade part are hinged with each other through a connecting pin; a first handle portion and a second handle portion, a front end portion of the first handle portion and a rear end portion of the first blade portion being connected to each other, and a front end portion of the second handle portion and a rear end portion of the second blade portion being connected to each other; the angle limiting mechanism is connected with the first handle part and the second handle part; the first handle part and the second handle part are used for driving the first blade part and the second blade part to be mutually opened or closed, and the angle limiting mechanism is used for adjusting and limiting the maximum opening angle of the first blade part and the second blade part.
Further, the first handle part comprises a first connecting rod and a first handle, the front end of the first connecting rod is connected with the rear end part of the first blade part, and the first handle is arranged at the rear end of the first connecting rod; the second handle part comprises a second connecting rod and a second handle, the front end of the second connecting rod is connected with the second blade part, and the second handle is arranged at the rear end of the second connecting rod; the first handle and the second handle drive the first blade part and the second blade part to be mutually opened or closed through the first connecting rod and the second connecting rod; the angle limiting mechanism is correspondingly connected with the first connecting rod and the second connecting rod so as to limit the maximum opening angle of the first blade part and the second blade part.
Further, first slide opening has been seted up to the second connecting rod, and angle stop gear includes: the first end of the sliding rod is fixedly connected with the first connecting rod, and the second end of the sliding rod penetrates through the first sliding hole so that the first connecting rod and the second connecting rod move close to each other or move away from each other; the limiting part is arranged on the sliding rod and is positioned between the second connecting rod and the second end of the sliding rod; the central line of the sliding rod is an arc line, and the central axis of the circumference corresponding to the arc line is superposed with the central axis of the connecting pin; the limiting part and the sliding rod are locked with each other to limit the maximum angle of the first connecting rod and the second connecting rod which move away from each other, and further limit the maximum opening angle of the first blade part and the second blade part.
Further, the spacing part includes: the limiting sliding block is provided with a second sliding hole matched with the sliding rod, the limiting sliding block is slidably sleeved on the sliding rod through the second sliding hole, and the limiting sliding block is provided with bolt holes which are communicated with the second sliding hole and are perpendicular to each other; the locking nut is rotatably arranged in the bolt hole; the locking nut rotates around the preset direction to prop against the sliding rod so that the limiting sliding block and the sliding rod are locked with each other.
Further, angle stop gear still includes: the spring is sleeved on the sliding rod and is positioned between the first connecting rod and the second connecting rod; wherein, the spring is used for making first connecting rod and second connecting rod move to the maximum angle apart from each other.
Furthermore, scales are arranged on the second blade part and used for marking the distance from the opening intersection point of the blade of the first blade part and the blade of the second blade part to the foremost end of the second blade part.
Further, the first blade portion and the second blade portion are each deflected toward one side by a preset angle.
The vascular reconstruction end-side anastomosis surgical scissors adopting the technical scheme of the invention comprise a first blade part, a second blade part, a first handle part, a second handle part and an angle limiting mechanism, wherein the rear end part of the first blade part and the rear end part of the second blade part are hinged with each other through a connecting pin, the front end part of the first handle part is connected with the rear end part of the first blade part, and the front end part of the second handle part is connected with the rear end part of the second blade part; the angle limiting mechanism is connected with the first handle part and the second handle part; the first handle part and the second handle part are used for driving the first blade part and the second blade part to be mutually opened or closed, and the angle limiting mechanism is used for adjusting and limiting the maximum opening angle of the first blade part and the second blade part. Therefore, the opening angle of the surgical scissors can be adjusted and limited according to the size of the opening hole in the process of the vascular reconstruction surgery, and the opening hole on the side wall of the vessel is prevented from being damaged by misoperation. The problem of adopt ordinary operation scissors easily to cut bad vascular lateral wall trompil when carrying out the vascular reconstruction end side anastomosis operation among the prior art and lead to the operation failure is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram illustrating an alternative first use state of a vessel reconstructive end-to-side anastomosis surgical shears according to an embodiment of the invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram illustrating an alternative second use state of a pair of vascular reconstructive end-to-end anastomosis surgical scissors according to an embodiment of the invention; and
fig. 4 is a schematic top view of an alternative surgical scissors for vessel reconstruction and end-to-end anastomosis according to an embodiment of the invention.
Wherein the figures include the following reference numerals:
10. a first blade section; 20. a second blade section; 30. a first handle portion; 31. a first connecting rod; 32. a first handle; 40. a second handle portion; 41. a second connecting rod; 42. a second handle; 50. an angle limiting mechanism; 51. a slide bar; 52. a limiting component; 521. a limiting slide block; 522. locking the nut; 53. a spring.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The vascular reconstruction end-to-side anastomosis surgical scissors according to the embodiment of the invention, as shown in fig. 1 to 3, comprise a first blade part 10, a second blade part 20, a first handle part 30, a second handle part 40 and an angle limiting mechanism 50, wherein the rear end of the first blade part 10 and the rear end of the second blade part 20 are hinged with each other through a connecting pin, the front end of the first handle part 30 and the rear end of the first blade part 10 are connected with each other, and the front end of the second handle part 40 and the rear end of the second blade part 20 are connected with each other; the angle limiting mechanism 50 is connected with both the first handle part 30 and the second handle part 40; the first handle portion 30 and the second handle portion 40 are used for driving the first blade portion 10 and the second blade portion 20 to be opened or closed with each other, and the angle limiting mechanism 50 is used for adjusting and limiting the maximum opening angle of the first blade portion 10 and the second blade portion 20. Therefore, the opening angle of the surgical scissors can be adjusted and limited according to the size of the opening hole in the process of the vascular reconstruction surgery, and the opening hole on the side wall of the vessel is prevented from being damaged by misoperation. The problem of adopt ordinary operation scissors easily to cut bad vascular lateral wall trompil when carrying out the vascular reconstruction end side anastomosis operation among the prior art and lead to the operation failure is solved.
In a specific implementation, the first handle 30 includes a first connecting rod 31 and a first handle 32, a front end of the first connecting rod 31 is connected to a rear end of the first blade 10, and the first handle 32 is disposed at a rear end of the first connecting rod 31; the second handle portion 40 includes a second connecting rod 41 and a second handle 42, the front end of the second connecting rod 41 is connected with the second blade portion 20, and the second handle 42 is disposed at the rear end of the second connecting rod 41; wherein the first handle 32 and the second handle 42 drive the first blade part 10 and the second blade part 20 to be opened or closed with each other through the first connecting rod 31 and the second connecting rod 41; the angle limiting mechanism 50 is connected to the first connecting rod 31 and the second connecting rod 41 to limit the maximum opening angle of the first blade part 10 and the second blade part 20.
Specifically, the second connecting rod 41 is provided with a first sliding hole, the first sliding hole is formed along the radial direction of the second connecting rod 41, the angle limiting mechanism 50 comprises a sliding rod 51 and a limiting component 52, a first end of the sliding rod 51 is fixedly connected with the first connecting rod 31, a second end of the sliding rod 51 penetrates through the first sliding hole, a central line of the sliding rod 51 is an arc line, and a central axis of a circumference corresponding to the arc line is overlapped with a central axis of the connecting pin, so that when external force acts on the first handle 32 and the second handle 42, the first connecting rod 31 and the second connecting rod 41 can smoothly move close to each other or move away from each other, and the first blade part 10 and the second blade part 20 are opened or closed mutually; the limiting part 52 is arranged on the sliding rod 51 and positioned between the second connecting rod 41 and the second end of the sliding rod 51; the maximum opening angle of the first blade part 10 and the second blade part 20 is limited by locking the limiting member 52 and the slide rod 51 to each other to limit the maximum angle at which the first connecting rod 31 and the second connecting rod 41 move away from each other.
Specifically, the limiting part 52 comprises a limiting slider 521 and a lock nut 522, the limiting slider 521 is provided with a second slide hole matched with the slide rod 51, and the limiting slider 521 is slidably sleeved on the slide rod 51 through the second slide hole; in addition, the limiting slide block 521 is also provided with bolt holes which are communicated with the second slide hole and are vertical to each other; the locking nut 522 is rotatably arranged in the bolt hole, and the locking nut 522 is rotated around a preset direction to prop against the sliding rod 51 so as to enable the limiting slide block 521 and the sliding rod 51 to be locked with each other; after the maximum opening angles of the first blade part 10 and the second blade part 20 are adjusted, the maximum opening angles of the first blade part 10 and the second blade part 20 can be limited by moving the limit slider 521 to a position where the second connecting rod 41 is abutted against each other and locking the lock nut 522.
Further, the angle limiting mechanism 50 further comprises a spring 53, wherein the spring 53 is sleeved on the sliding rod 51 and is located between the first connecting rod 31 and the second connecting rod 41; the first connecting rod 31 and the second connecting rod 41 automatically move away from each other to a maximum angle under the elastic force of the spring 53; meanwhile, when the vessel is sheared, the elasticity of the spring needs to be overcome when the vessel is sheared every time, so that the phenomenon that the opening sheared at one time is large and the side wall of the vessel is broken when the hole is punched can be effectively avoided.
Further, as shown in fig. 2, the second blade portion 20 is provided with a scale, and the scale extends along the cutting edge of the second blade portion 20; the scale marks the distance from the point of intersection of the cutting edge of the first blade portion 10 and the cutting edge of the second blade portion 20 to the foremost end of the second blade portion 20. When the maximum opening angle of the first blade part 10 and the second blade part 20 is adjusted, the opening length of the blade of the first blade part 10 or the blade of the second blade part 20 can be visually seen through the scale, so that the opening length of the blade of the first blade part 10 or the blade of the second blade part 20, namely the maximum opening angle of the first blade part 10 and the second blade part 20 is determined according to the size of the vessel side wall opening needing to be cut and the length cut each time.
The first blade part 10 and the second blade part 20 of the vascular reconstruction end-to-side anastomosis surgical scissors of the embodiment have different length models, and the length range of one-time shearing of the most common model is 1mm to 30 mm; other types of surgical scissors with incisions exceeding 30mm meet the use requirements.
Further, as shown in fig. 4, the first blade portion 10 and the second blade portion 20 are deflected toward one side by a predetermined angle and are deflected in an arc shape, so that the surgical scissors can be deflected easily when a hole is formed in the side wall of a vessel.
In a specific operation, the opening length of the blade of the first blade part 10 or the blade of the second blade part 20, i.e., the maximum opening angle of the first blade part 10 and the second blade part 20, is first determined according to the opening size of the vessel side wall and the length cut at each time. When the vessel side wall is provided with a small hole, the maximum opening angle of the first blade part 10 and the second blade part 20 is correspondingly smaller; after the adjustment is completed, the limiting slide block 521 is locked through the locking nut 522.
During operation, the side wall of the vessel is properly folded or directly cut, the first blade part 10 and the second blade part 20 are driven by the first handle 32 and the second handle 42 to cut the side wall of the vessel, and the spring 53 can control the hand strength of an operator in the cutting process, so that the open hole of the side wall of the vessel is prevented from being cut by overlarge force; the arc-shaped bending angles of the first blade part 10 and the second blade part 20 can facilitate the cutting of a circular opening.
The vessel reconstruction end-side anastomosis surgical scissors can be applied to various types of vessel end-side anastomosis surgeries, such as portal vein, artery, vein, biliary tract, ureter and the like, and the vessel end-side anastomosis connection is quickly realized by cutting a circular incision matched with the end caliber of another vessel from the side wall of one vessel through the surgeries.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (7)
1. Vascular reconstruction end-to-side anastomosis surgical scissors comprising:
a first blade part (10) and a second blade part (20), a rear end of the first blade part (10) and a rear end of the second blade part (20) being hinged to each other by a connecting pin;
a first handle portion (30) and a second handle portion (40), a front end portion of the first handle portion (30) and a rear end portion of the first blade portion (10) being interconnected, a front end portion of the second handle portion (40) and a rear end portion of the second blade portion (20) being interconnected;
an angle limiting mechanism (50) connected to both the first handle portion (30) and the second handle portion (40);
wherein the first handle part (30) and the second handle part (40) are used for driving the first blade part (10) and the second blade part (20) to be mutually opened or closed, and the angle limiting mechanism (50) is used for adjusting and limiting the maximum opening angle of the first blade part (10) and the second blade part (20).
2. The vascular reconstruction end-to-side anastomosis surgical scissors according to claim 1, wherein the first handle portion (30) comprises a first connecting rod (31) and a first handle (32), a front end of the first connecting rod (31) being connected with a rear end of the first blade portion (10), the first handle (32) being arranged at a rear end of the first connecting rod (31); the second handle part (40) comprises a second connecting rod (41) and a second handle (42), the front end of the second connecting rod (41) is connected with the second blade part (20), and the second handle (42) is arranged at the rear end of the second connecting rod (41);
wherein the first handle (32) and the second handle (42) drive the first blade part (10) and the second blade part (20) to open or close each other through the first connecting rod (31) and the second connecting rod (41); the angle limiting mechanism (50) is correspondingly connected with the first connecting rod (31) and the second connecting rod (41) to limit the maximum opening angle of the first blade part (10) and the second blade part (20).
3. The vessel reconstruction end-to-side anastomosis surgical scissors according to claim 2, wherein the second connecting rod (41) is opened with a first sliding hole, and the angle limiting mechanism (50) comprises:
a sliding rod (51), wherein a first end of the sliding rod (51) is fixedly connected with the first connecting rod (31), and a second end of the sliding rod (51) passes through the first sliding hole so as to enable the first connecting rod (31) and the second connecting rod (41) to move close to each other or move away from each other;
a limiting part (52) arranged on the sliding rod (51) and positioned between the second connecting rod (41) and the second end of the sliding rod (51);
the central line of the sliding rod (51) is an arc line, and the central axis of the circumference corresponding to the arc line is superposed with the central axis of the connecting pin; the limiting component (52) and the sliding rod (51) are locked with each other to limit the maximum angle of the first connecting rod (31) and the second connecting rod (41) moving away from each other, and further limit the maximum opening angle of the first blade part (10) and the second blade part (20).
4. The vascular reconstruction end-to-side anastomosis surgical scissors according to claim 3, wherein said stop member (52) comprises:
the limiting sliding block (521) is provided with a second sliding hole matched with the sliding rod (51), the limiting sliding block (521) is slidably sleeved on the sliding rod (51) through the second sliding hole, and the limiting sliding block (521) is provided with bolt holes which are communicated with the second sliding hole and are perpendicular to each other;
a lock nut (522) rotatably disposed within the bolt hole;
the locking nut (522) rotates around a preset direction to prop against the sliding rod (51) so that the limiting sliding block (521) and the sliding rod (51) are locked with each other.
5. The vascular reconstruction end-to-side anastomosis surgical scissors according to claim 3, wherein said angular stop mechanism (50) further comprises:
the spring (53) is sleeved on the sliding rod (51) and is positioned between the first connecting rod (31) and the second connecting rod (41);
wherein the spring (53) is used to move the first connecting rod (31) and the second connecting rod (41) away from each other to a maximum angle.
6. The vascular reconstruction end-to-side anastomosis surgical scissors according to claim 1, wherein the second blade portion (20) is provided with a scale for identifying the distance from the point of intersection of the opening of the cutting edge of the first blade portion (10) and the cutting edge of the second blade portion (20) to the foremost end of the second blade portion (20).
7. The vascular reconstruction end-to-side anastomosis surgical shears according to claim 1, wherein the first blade portion (10) and the second blade portion (20) are each deflected towards one side by a preset angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808483.3A CN111772735A (en) | 2020-08-12 | 2020-08-12 | Vascular reconstruction end-to-side anastomosis surgical scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808483.3A CN111772735A (en) | 2020-08-12 | 2020-08-12 | Vascular reconstruction end-to-side anastomosis surgical scissors |
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| Publication Number | Publication Date |
|---|---|
| CN111772735A true CN111772735A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010808483.3A Pending CN111772735A (en) | 2020-08-12 | 2020-08-12 | Vascular reconstruction end-to-side anastomosis surgical scissors |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202892045U (en) * | 2012-10-25 | 2013-04-24 | 张春侠 | Lateral episiotomy scissors used for gynaecology and obstetrics |
| US20140026426A1 (en) * | 2011-02-10 | 2014-01-30 | Samuel George | Scissors |
| CN204520883U (en) * | 2015-04-03 | 2015-08-05 | 孔玉科 | A kind of surgical scissors |
| CN205007110U (en) * | 2015-08-18 | 2016-02-03 | 深圳市龙华新区中心医院 | Ophthalmology of adjustable shearing degree of depth is cut |
| CN209032547U (en) * | 2018-07-10 | 2019-06-28 | 长沙亚韩医学美容医院有限公司 | A kind of curved formula tissue shear |
| CN210541766U (en) * | 2019-07-08 | 2020-05-19 | 郑州大学第三附属医院(河南省妇幼保健院) | Special side-cutting scissors for obstetrical department |
-
2020
- 2020-08-12 CN CN202010808483.3A patent/CN111772735A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140026426A1 (en) * | 2011-02-10 | 2014-01-30 | Samuel George | Scissors |
| CN202892045U (en) * | 2012-10-25 | 2013-04-24 | 张春侠 | Lateral episiotomy scissors used for gynaecology and obstetrics |
| CN204520883U (en) * | 2015-04-03 | 2015-08-05 | 孔玉科 | A kind of surgical scissors |
| CN205007110U (en) * | 2015-08-18 | 2016-02-03 | 深圳市龙华新区中心医院 | Ophthalmology of adjustable shearing degree of depth is cut |
| CN209032547U (en) * | 2018-07-10 | 2019-06-28 | 长沙亚韩医学美容医院有限公司 | A kind of curved formula tissue shear |
| CN210541766U (en) * | 2019-07-08 | 2020-05-19 | 郑州大学第三附属医院(河南省妇幼保健院) | Special side-cutting scissors for obstetrical department |
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Application publication date: 20201016 |