CN108852437B - Lockable minimally invasive surgery incision visual field spreader - Google Patents
Lockable minimally invasive surgery incision visual field spreader Download PDFInfo
- Publication number
- CN108852437B CN108852437B CN201710340224.0A CN201710340224A CN108852437B CN 108852437 B CN108852437 B CN 108852437B CN 201710340224 A CN201710340224 A CN 201710340224A CN 108852437 B CN108852437 B CN 108852437B
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- China
- Prior art keywords
- plate
- driving
- component
- assembly
- pair
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- 230000000007 visual effect Effects 0.000 title claims abstract description 11
- 238000002324 minimally invasive surgery Methods 0.000 title abstract description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 2
- 206010052428 Wound Diseases 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 208000002847 Surgical Wound Diseases 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 2
- 206010007710 Cartilage injury Diseases 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a lockable minimally invasive surgery incision visual field spreader which comprises a driving component, a spreading component and a locking component, wherein the driving component and the spreading component are arranged at intervals continuously and form a closed structure, and the locking component is connected with the driving component; according to the invention, the opening component is placed in the wound part when in a contracted state, the driving component drives the opening component to open the wound part, and the opening component is fixed through the locking component; and the size of the opening assembly can be determined according to actual needs, the structure is exquisite, and the use is convenient.
Description
Technical Field
The invention belongs to the technical field of medical equipment for operation, and particularly relates to a lockable minimally invasive operation incision visual field spreader.
Background
In the process of tissue engineering cartilage transplantation, the prior art still needs open operation, periosteum or biomembrane can be sutured in the joint after the cartilage injury part is exposed, and then cell implantation operation is performed after suturing; however, the current small incision has no special small spreader, and the common conventional surgical instruments are very unfavorable for fixing the visual field, and extremely consume the physical strength of the surgical assistant, which is unfavorable for the operation.
Disclosure of Invention
The invention aims to provide a lockable minimally invasive surgery incision visual field spreader, which realizes the spreading of a small incision and is beneficial to the fixation of visual field through the cooperation of a driving component, a spreading component and a locking component.
The technical scheme adopted by the invention is as follows:
The lockable minimally invasive surgery incision visual field spreader comprises a driving component, a spreading component and a locking component, wherein the driving component and the spreading component are arranged at intervals continuously and form a closed structure, and the locking component is connected with the driving component; the opening component is placed in the wound part when in a contracted state, and the driving component drives the opening component to open the wound part and fix the opening component through the locking component.
The present invention is also characterized in that,
The driving assembly comprises a pair of gears meshed with each other and a pair of driving shafts, the driving shafts are arranged in parallel along the vertical direction, and the gears are respectively arranged on the driving shafts; the upper end of at least one of the pair of drive shafts is provided with a regular polygonal groove.
The opening assembly comprises a first connecting unit, a second connecting unit and a connecting rod, and the connecting rod is arranged between the first connecting unit and the second connecting unit.
The first connecting unit and the second connecting unit comprise a first plate and a second plate which are arranged up and down correspondingly, one ends of the first plate and the second plate are hinged with the adjacent driving components, and the other ends of the first plate and the second plate are hinged with the connecting rod.
The locking component comprises at least one regular polygon bulge matched with the regular polygon groove and a loose-leaf rotating plate, the regular polygon bulge is arranged on the rotating plate of the rotating plate, and the fixed plate of the loose-leaf rotating plate is arranged on the upper parts of a pair of driving shafts; when the driving component is required to be locked, the hinge rotating plate drives the regular polygon protrusion to be inserted into the regular polygon groove.
The outside of drive assembly is provided with the safety cover.
The drive assembly further includes a pair of stabilizing wheels disposed on the pair of drive shafts, respectively.
Compared with the prior art, when the device is used, the opening assembly is placed into the wound part when in a contracted state, the driving assembly drives the opening assembly to open the wound part, and the opening assembly is fixed through the locking assembly, so that the opening of the small incision is realized; and the size of the opening assembly can be determined according to actual needs, the structure is exquisite, and the use is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of a lockable minimally invasive surgical incision view spreader according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of a minimally invasive surgical incision view distractor provided with lockable according to an embodiment of the present invention;
Fig. 3-4 are schematic structural views of a lockable minimally invasive surgical incision view spreader according to an embodiment of the present invention after being spread.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The embodiment of the invention provides a lockable minimally invasive surgery incision visual field spreader, which comprises a driving component 1, a spreading component 2 and a locking component 3, wherein the driving component 1 and the spreading component 2 are continuously arranged at intervals and form a closed structure, and the locking component 3 is connected with the driving component 1; in this way, the opening assembly 2 is placed into the wound site when in the contracted state, and the driving assembly 1 drives the opening assembly 2 to open the wound site and fix the same through the locking assembly 3.
The drive assembly 1 includes a pair of gears 11 engaged with each other, a pair of drive shafts 12 disposed in parallel in a vertical direction, and a pair of gears 11 disposed on the pair of drive shafts 12, respectively; the upper end part of at least one driving shaft 12 of the pair of driving shafts 12 is provided with a regular polygon groove 13, the driving assembly 1 further comprises a pair of stabilizing wheels 14, and the pair of stabilizing wheels 14 are respectively arranged on the pair of driving shafts 12, so that the driving shafts 12 are driven to rotate by supplying power to the regular polygon groove 13, and further the meshed gears 11 are driven to transfer force, so that the whole expanding assembly 2 is expanded; when the length of the drive shaft 12 is 2cm or less, the stabilizing wheel 15 is not required.
The opening assembly 2 comprises a first connecting unit 21, a second connecting unit 22 and a connecting rod 23, wherein the connecting rod 23 is arranged between the first connecting unit 21 and the second connecting unit 22, the first connecting unit 21 and the second connecting unit 22 respectively comprise a first plate 211 and a second plate 212 which are arranged up and down correspondingly, one ends of the first plate 211 and the second plate 212 are hinged with the driving assembly 1 adjacent to the first plate 211, the other ends of the first plate 211 and the second plate 212 are hinged with the connecting rod 23, and the first plate 211 and the second plate 212 are of a triangle structure or a semicircle structure, so that the first connecting unit 21, the second connecting unit 22 and the connecting rod 23 jointly act to achieve the opening purpose, and the first plate 211 and the second plate 212 of the triangle structure or the semicircle structure are favorable for opening smiling wounds and fixing the visual field.
The locking assembly 3 includes at least one regular polygon protrusion 31 matched with the regular polygon groove 13 and a hinge rotating plate 32, the regular polygon protrusion 31 is provided on the rotating plate of the rotating plate 32, and a fixing plate of the hinge rotating plate 32 is provided on the upper portions of the pair of driving shafts 12; thus, when the driving assembly 1 needs to be locked, the hinge rotating plate 32 drives the regular polygon protrusion 31 to be inserted into the regular polygon groove 13.
The outside of the drive assembly 1 is provided with the protective cover 4, so that human tissues are effectively prevented from being scratched by the gear 11 on the drive assembly 1.
In addition, the regular polygon groove 13 may be a regular triangle, a regular quadrangle, a regular pentagon, a regular hexagon, etc., and the more the number of sides is, the more flexible the operation is; the first plate 211 and the second plate 212 are each of a triangle structure or a semicircle structure, and the spreader may be designed in various shapes according to the longest side of the triangle structure and the diameter of the semicircle structure and the length of the driving shaft 12; such as: when the drive shaft 12 is as short as 1cm and the diameter in the semicircular configuration is longer, the whole device is inflated to a short shape as shown in fig. 3, and otherwise to a thin and tall shape as shown in fig. 4.
The using method comprises the following steps: firstly, the regular polygon groove 13 is powered to drive the driving shaft 12 to rotate, so that the driving shaft drives the pair of gears 11 which are meshed with each other to transfer force, the whole spreader assembly 2 is spread, then the loose-leaf rotating plate 32 drives the regular polygon bulge 31 to be inserted into the regular polygon groove 13, the gears 11 are braked, and the whole spreader is locked; in the use process, the length of the driving shaft 12 can be determined according to actual needs, and when the driving shaft 12 is larger than 2cm, the stabilizing wheel 14 is arranged at the middle lower part of the driving shaft 12, so that the driving shaft is more stable in the rotation process; the shape and size of the first plate 211 and the second plate 212 can be determined according to actual needs, so that the operation can achieve the best effect.
By adopting the scheme, compared with the prior art, when the small incision spreader is used, the driving assembly drives the spreader assembly to spread, and then the whole spreader is fixed through the locking assembly, so that the small incision is spread; and the size of the opening assembly can be determined according to actual needs, the structure is exquisite, and the use is convenient.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (3)
1. The visual field spreader is characterized by comprising a driving component, a spreading component and a locking component, wherein the driving component and the spreading component are arranged at intervals continuously and form a closed structure, and the locking component is connected with the driving component; the opening assembly is placed in the wound part when in a contracted state, and the driving assembly drives the opening assembly to open the wound part and fix the opening assembly through the locking assembly; the driving assembly comprises a pair of gears meshed with each other and a pair of driving shafts, the driving shafts are arranged in parallel along the vertical direction, and the gears are respectively arranged on the driving shafts; the upper end part of at least one driving shaft of the pair of driving shafts is provided with a regular polygon groove; the opening assembly comprises a first connecting unit, a second connecting unit and a connecting rod, and the connecting rod is arranged between the first connecting unit and the second connecting unit; the first connecting unit and the second connecting unit comprise a first plate and a second plate which are arranged up and down correspondingly, one end of the first plate and one end of the second plate are hinged with the driving assembly adjacent to the first plate and the second plate, and the other end of the first plate and the second plate are hinged with the connecting rod; the first plate and the second plate are of a triangular structure or a semicircular structure; the locking component comprises at least one regular polygon bulge matched with the regular polygon groove and a loose-leaf rotating plate, the regular polygon bulge is arranged on the rotating plate of the loose-leaf rotating plate, and the fixed plate of the loose-leaf rotating plate is arranged on the upper parts of a pair of driving shafts; when the driving component is required to be locked, the hinge rotating plate drives the regular polygon protrusion to be inserted into the regular polygon groove.
2. The field of view distractor of claim 1, wherein a protective cover is provided on an outer side of the drive assembly.
3. The field of view distractor of claim 2, wherein the drive assembly further includes a pair of stabilizing wheels disposed on the pair of drive shafts, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710340224.0A CN108852437B (en) | 2017-05-15 | 2017-05-15 | Lockable minimally invasive surgery incision visual field spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710340224.0A CN108852437B (en) | 2017-05-15 | 2017-05-15 | Lockable minimally invasive surgery incision visual field spreader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108852437A CN108852437A (en) | 2018-11-23 |
| CN108852437B true CN108852437B (en) | 2024-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710340224.0A Active CN108852437B (en) | 2017-05-15 | 2017-05-15 | Lockable minimally invasive surgery incision visual field spreader |
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| Country | Link |
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| CN (1) | CN108852437B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202687475U (en) * | 2012-06-20 | 2013-01-23 | 宁波远景汽车零部件有限公司 | Gear type locking mechanism |
| CN106377286A (en) * | 2016-10-28 | 2017-02-08 | 邹德威 | Internal type self-expanding 360-degree fully-shielded clearance surgery field exposure device |
| CN207870912U (en) * | 2017-05-15 | 2018-09-18 | 崔家鸣 | Lockable Minimally Invasive Surgery notch visual field dilator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6322500B1 (en) * | 1996-12-23 | 2001-11-27 | University Of Massachusetts | Minimally invasive surgical apparatus |
| DE102013001725A1 (en) * | 2013-02-01 | 2014-08-07 | Technische Universität Kaiserslautern | Rib spreader for chest surgery, has spreadable valves locked with turning movable spacing elements, which are connected at transverse sides of valves over rotational axes into locking position by locking unit |
| EP2956047B1 (en) * | 2013-03-15 | 2019-06-12 | Beaver-Visitec International (US), Inc. | Iris expander |
| WO2014169213A1 (en) * | 2013-04-12 | 2014-10-16 | Akron General Partners, Inc. | Self-retaining retractor |
| KR101703002B1 (en) * | 2015-03-10 | 2017-02-06 | 주식회사 메드릭스 | Folding blade type retractor for minimal invasive surgery |
| CN106214116B (en) * | 2016-07-14 | 2018-04-10 | 上海交通大学 | Expanding mechanism for enteron aisle microrobot |
-
2017
- 2017-05-15 CN CN201710340224.0A patent/CN108852437B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202687475U (en) * | 2012-06-20 | 2013-01-23 | 宁波远景汽车零部件有限公司 | Gear type locking mechanism |
| CN106377286A (en) * | 2016-10-28 | 2017-02-08 | 邹德威 | Internal type self-expanding 360-degree fully-shielded clearance surgery field exposure device |
| CN207870912U (en) * | 2017-05-15 | 2018-09-18 | 崔家鸣 | Lockable Minimally Invasive Surgery notch visual field dilator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108852437A (en) | 2018-11-23 |
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