CN106606366A - Disposable surgery operation guiding device - Google Patents
Disposable surgery operation guiding device Download PDFInfo
- Publication number
- CN106606366A CN106606366A CN201510696990.1A CN201510696990A CN106606366A CN 106606366 A CN106606366 A CN 106606366A CN 201510696990 A CN201510696990 A CN 201510696990A CN 106606366 A CN106606366 A CN 106606366A
- Authority
- CN
- China
- Prior art keywords
- guide
- retractor
- hollow retractor
- handle portion
- distal end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
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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)
Abstract
The invention relates to a disposable surgery operation guiding device. The device comprises a hollow retractor, an introducer, an upper handle portion, a spring buckle, and a lower handle portion. The hollow retractor has an open sleeve structure, gradually contracts when being close to the far end of the hollow retractor, and has an elliptical cross section. The introducer is arranged inside the sleeve structure of the hollow retractor, gradually contracts when being close to the far end of the introducer, and has an elliptical cross section. The far end of the introducer extends and surpasses the far end of the hollow retractor so as to penetrate fine tissues in front of the far end of the hollow retractor. The far end of the introducer has a parabola-shaped cross section, bringing convenience for the far end of the introducer to penetrate the fine tissues. The upper handle portion is positioned on the near end of the introducer. The spring buckle is positioned on the upper handle portion. The lower handle portion is positioned on the near end of the hollow retractor. The spring buckle enables the upper handle portion and the lower handle portion to be clamped together to temporarily lock the hollow retractor and the introducer as a whole.
Description
Technical field
The present invention relates to a kind of surgical operation guide, and in particular to a kind of disposable surgical operation guiding dress
Put
Background technology
Brain retractor is extensively applied in neurosurgery operation of opening cranium, especially brain deep operation, and neurosurgeon is past
Brain retractor is applied toward conventional.Traditional brain retractor is typically hard steel or other metal alloy bands, it is with abrupt change or
The edge and finite surface area of sharp outline.These retractors are introduced in cerebral tissue during performing the operation, then firmly drawing with
Separating or raise cerebral tissue is easy to operation to carry out.But cerebral tissue is very soft very fine, especially in brain injury, ischemia or cerebral edema
In the case of, brain retractor both may directly oppress cause local brain tissue and dampen, and can also cause local brain tissue under brain spatula to lack
Blood, it may occur that the complication of " retract and damage ", brain spatula movement causes operating field to reduce or expand and affect operation or increase brain
The situation that tissue retraction is damaged, in addition in operation operating theater instruments are likely to brush up against cerebral tissue and cause damage.Often, god
Jing surgeon takes the strategy exposed far more than the cerebral tissue being required or desirable for, so as to open sufficiently large operative region,
And this greatly differs from each other with minimally invasive theory.Therefore propose that " surgical operation guide " is right in the more preferable needle holder being applied to surgery Minimally of performance
In the development important in inhibiting of micro-wound surgical operation.
The content of the invention
It is an object of the invention to provide a kind of disposable surgical operation guide, its objective is to reduce surgery
During operation of opening cranium to human body delicate tissues cause damage.The guide tool beneficial effect of the present invention mainly includes：
(1) surface area of retractor is maximized, so as to being evenly distributed pressure and minimizing effective localized retraction pressure；
(2) binocular vision is improved by the elliptic cross-section design of guide；
(3) by the longitudinal section design that guide distal end is parabola shaped, delicate tissues are penetrated beneficial to the distal end of guide；
(4) transparent retractor is provided to allow directly displaying for following delicate tissues.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
A kind of disposable surgical operation guide, including：Hollow retractor with unlimited tube-in-tube structure, should
Hollow retractor is gradually tapered up with the distal end near hollow retractor, and with oval cross section；For being arranged on
Guide in hollow retractor tube-in-tube structure, the guide is gradually tapered up with the distal end near guide, and is had
Oval cross section；Wherein the remote extension of guide is beyond the distal end of hollow retractor so that during the distal end of guide is through
In delicate tissues before the distal end of empty retractor；The distal end of guide has parabola shaped longitudinal section, is easy to guide
Distal end penetrates delicate tissues；Positioned at assistant's shank of hollow retractor near-end；Upper handle portion and position positioned at guide near-end
In the Spring lock catch of the upper handle portion, spring lock by upper handle portion and assistant's shank be fastened togather and by hollow retractor and institute
State guide and temporarily lock and be integrated.
Wherein, the hollow retractor of guide provides the logical of the operative site in subcutaneous tissue for surgical instrumenties
Road.
Guide is made up of polyethylene.
The upper handle portion of guide forms fluted, and assistant's shank is formed with projection.
The groove of guide is located at the end of spring.
The groove of guide is corresponding to the position of projection.
Description of the drawings
Figure 1A is retractor front view；
Figure 1B is retractor left view；
Fig. 1 C are retractor top views；
Fig. 2A is guide front view；
Fig. 2 B are guide left views；
Fig. 2 C are guide top views；
The implication of reference in figure：1st, handle, 2, retractor, 3, Spring lock catch, 4, guide.
Specific embodiment
Make specific introduction to the present invention below in conjunction with accompanying drawing.
Referring to figs. 1 to shown in Fig. 2, the disposable surgical operation guide of the present invention mainly includes：Handle 1,
Retractor 2, Spring lock catch 3 and guide 4.
Wherein, retractor 2 it is main guide 4 is installed in guiding and operating theater instruments is formed in operation can pass through and move
Dynamic passage, therefore retractor 2 has a tube-in-tube structure, this tube-in-tube structure is used to accommodate to be installed guide 4 and invades essence
Carefully organize the formation of operation path.
As shown in figure 1, retractor 2 is tube-in-tube structure, its two ends is respectively formed with operating side and bared end, and operating side is formed
It is easy to staff operation and other fixing equipments to be easy to fixed structure, and bared end is mainly used in coordinating the guiding exposed from the end
The end that retracts of device 4 invades the delicate tissues of human body, and is directed at lesions position after guide 4 is removed.Therefore, in order to reduce invade
The resistance of tissue and reduce wound area as far as possible, the internal face and outside wall surface of the tube-in-tube structure of retractor 2 by operating side to
Bared end is gradually tapered up, and with oval cross section, wherein the tapered design of the internal face of tube-in-tube structure is mainly for realization
One space for being easy to operating theater instruments activity is provided, and the tapered of outside wall surface is mainly designed to reduce invading resistance.With regard to
Wall thickness between the tube-in-tube structure internal face of retractor 2 and outside wall surface, both can be uniformity, it would however also be possible to employ others set
Meter, this can according to specific circumstances depending on, as it is a kind of preferably, wall thickness can be gradually thinning from operating side to bared end.
In order that operating theater instruments obtain bigger activity space in the operating side of retractor 2, while and not expandable retractor 2
The volume of tissue is invaded, in the operating side of the internal face of the tube-in-tube structure of retractor 2 outwardly open arc groove is formed with.Arc
The curved surface of connected in star can be the extended configuration of the oval cross section of retractor 2, the position of arc groove and the lower handle of retractor 2
Position it is corresponding.
As shown in Fig. 2 guide 4 needs to invade delicate tissues due to it, so it has the profile of approximate wedge shape, it is used for
Squeeze tissue, it should be noted that, the outside wall surface of guide 4, first its need satisfaction to be arranged on the tube-in-tube structure of retractor 2
In, secondly need the outside wall surface for meeting the guide 4 at the bared end of retractor 2 to be in close contact with the internal face of retractor 2,
The bared end for making retractor 2 is closed, with reach invade delicate tissues after not yet reach specified location before, delicate tissues are not
It is in operating walk way as entering in the tube-in-tube structure of retractor 2 from bared end.
The main effect of conductor 4 is to form the part for invading tissue, and by certainly after specified location is entered into
Body is exited so that the tissue of the bared end of retractor 2 avoids being extruded accumulation.Because the status requirement ratio of the overall insertion of retractor 2
The position of focus is deeper several millimeters, so can avoid organizing situation about being extruded.
Similar with retractor 2, the outside wall surface of guide 4 is the curved surface being made up of the concentration ellipse curve of size gradual change, and
And the bared end of guide 4 has parabola shaped longitudinal section.
Through multiple experiment, it has been found that when the bared end of guide 4 has parabola shaped longitudinal section, invading
During delicate tissues, delicate tissues are subject to all directions extruding degree uniform, and delicate tissues are caused to damage minimum, and can obtain
To preferable operation path, therefore for the bared end of guide 4 is designed using parabola shaped longitudinal section.
This design of the guide so that the largest surface area of retractor 2, so substantially equally around
Tissue distributes pressure and minimizes and device contacts or be close to structural effective localized retraction pressure of apparatus, and obtains
Obtain operative region and minimize the rupture of tissue.
For the ease of operating retractor 2 and the overall of the composition of guide 3 to invade delicate tissues, the behaviour of retractor 2
Assistant's shank is formed with as end, on assistant's shank projection is formed with；The operating side of guide 4 is formed with upper handle portion, upper handle portion
It is formed with for fixed raised gap slot, spring is provided between gap slot and constitutes Spring lock catch, Spring lock catch is by left-hand seat
Shank is fastened togather with assistant's shank and hollow retractor is temporarily locked with guide and is integrated.The operating side of retractor
Assistant's shank and guide operating side be formed with the handle 1 that upper handle portion is integrally formed the guide.
In addition, observing for convenience, lead expansion device 1 and be made up of transparent material polyethylene.
Need explanation when, in view of operation hygienic requirements, the present invention can be as disposable surgical instrument, certainly
Should also be as falling into protection scope of the present invention by the analog structure that can be reused of present invention enlightenment.More than show and retouch
The basic principles, principal features and advantages of the present invention are stated.It should be understood by those skilled in the art that, above-described embodiment not with appoint
What form limits the present invention, and all technical schemes obtained by the way of equivalent or equivalent transformation all fall within the present invention
Protection domain in.
Claims (6)
1. a kind of disposable surgical operation guide, including：Hollow retractor (2) with unlimited tube-in-tube structure,
The hollow retractor (2) gradually tapers up with the distal end near the hollow retractor (2), and with elliptic cross-section
Face；For the guide (4) in the hollow retractor (2) tube-in-tube structure, the guide (4) is near described
The distal end of guide (4) gradually tapers up, and with oval cross section；The remote extension of the guide (4) exceeds institute
State the distal end of hollow retractor (2) so that the distal end of the guide (4) is invaded before the distal end of the hollow retractor (2)
Delicate tissues in；The distal end of the guide (4) has parabola shaped longitudinal section, is easy to the distal end of the guide (4)
Invade delicate tissues；Positioned at assistant's shank of the hollow retractor (2) near-end；Positioned at the left-hand seat of the guide (4) near-end
Shank；Positioned at the Spring lock catch (3) of the upper handle portion, the Spring lock catch (3) is by the upper handle portion and the lower handle
Portion is fastened togather and the hollow retractor (2) is temporarily locked with the guide (4) and is integrated.
2. guide according to claim 1, it is characterised in that the hollow retractor provides entrance for surgical instrumenties
The path of the operative site in subcutaneous tissue.
3. guide according to claim 1, it is characterised in that the guide is made up of polyethylene.
4. guide according to claim 1, it is characterised in that the upper handle portion forms fluted, the assistant
Shank is formed with projection.
5. guide according to claim 4, it is characterised in that the groove is located at the end of spring.
6. guide according to claim 4, it is characterised in that the groove is corresponding to the raised position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696990.1A CN106606366A (en) | 2015-10-26 | 2015-10-26 | Disposable surgery operation guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696990.1A CN106606366A (en) | 2015-10-26 | 2015-10-26 | Disposable surgery operation guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106606366A true CN106606366A (en) | 2017-05-03 |
Family
ID=58613214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510696990.1A Pending CN106606366A (en) | 2015-10-26 | 2015-10-26 | Disposable surgery operation guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106606366A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114469206A (en) * | 2022-02-14 | 2022-05-13 | 福建医科大学附属第一医院 | Accurate location brain leads out device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101616626A (en) * | 2006-11-27 | 2009-12-30 | Vycor医学有限责任公司 | The surgical access instruments that is used for delicate tissues |
| CN203724147U (en) * | 2014-02-27 | 2014-07-23 | 武汉金柏威光电技术有限公司 | Disposable retracting fixator |
-
2015
- 2015-10-26 CN CN201510696990.1A patent/CN106606366A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101616626A (en) * | 2006-11-27 | 2009-12-30 | Vycor医学有限责任公司 | The surgical access instruments that is used for delicate tissues |
| CN203724147U (en) * | 2014-02-27 | 2014-07-23 | 武汉金柏威光电技术有限公司 | Disposable retracting fixator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114469206A (en) * | 2022-02-14 | 2022-05-13 | 福建医科大学附属第一医院 | Accurate location brain leads out device |
| CN114469206B (en) * | 2022-02-14 | 2023-11-07 | 福建医科大学附属第一医院 | Accurate location brain retractor |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170503 |
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| RJ01 | Rejection of invention patent application after publication |