CN108403190B - Sleeve for Minimally Invasive Surgery - Google Patents
Sleeve for Minimally Invasive Surgery Download PDFInfo
- Publication number
- CN108403190B CN108403190B CN201810162291.2A CN201810162291A CN108403190B CN 108403190 B CN108403190 B CN 108403190B CN 201810162291 A CN201810162291 A CN 201810162291A CN 108403190 B CN108403190 B CN 108403190B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- inner sleeve
- segment
- outer sleeve
- hinge
- 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.)
- Expired - Fee Related
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
Abstract
This application involves the sleeves for Minimally Invasive Surgery comprising: inner sleeve is hollow cylindrical shape, distally has inclined tip；And outer sleeve, including first segment, second segment and the changeover portion being arranged between first segment and second segment, both first segment and second segment are concentric arc-shaped cross-section, first segment and second segment surround inner sleeve in the opposite direction, the distal end of first segment have with the consistent inclined tip of inner sleeve, wherein in changeover portion, axially slideably hinge connects inner sleeve each other with outer sleeve.
Description
Cross reference to related applications
This application claims submit the entitled of China State Intellectual Property Office " to be used for Minimally Invasive Surgery on December 8th, 2017
Sleeve " Chinese patent application (application number: No.201711298784.0) priority.
Technical field
This application involves the sleeves for Minimally Invasive Surgery.
Background technique
Sleeve is the common even indispensable tool of minimally invasive spine surgical, the especially key of vertebral column minimally invasive endoscopic technic
Passage component plays the role of receiving scope and is operated.In Minimally Invasive Surgery, by puncturing with after the processing such as reaming, will cover
It in cylinder insertion aperture, and is located on scheduled position, lesion is implemented to perform the operation by the hollow hole of sleeve under scope.In this way
Be commonly referred to as target spot technology to the positioning method of sleeve, that is, lesion where, sleeve is just located in this position.But
It is in clinical practice, to encounter such situation sometimes, after a series of puncture and ream operation, doctor is had found most
The position of whole sleeve not needs to be adjusted sleeve portion in ideal target position；Or implementing a pre-determined bit
After the operation set, doctor's discovery is also required to implement operative treatment near the predetermined position.At this time, it is necessary to by sleeve whole
Or sleeve is positioned again after the pull-out of part.The repositioning of sleeve takes a long time in the course of surgery, and part changes after pulling out
It changes direction interference of the unstable and surrounding soft tissue that will cause sleeve to the visual field, will increase the difficulty and wind of operation in this way
Danger, this is all extremely disadvantageous to doctors and patients.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind to have a positioning function identical with conventional sleeve and just
In the sleeve of repositioning.
In order to solve the above technical problem, the present invention provides a kind of sleeves comprising inner sleeve is hollow cylinder
Shape distally has inclined tip；And outer sleeve, including first segment, second segment and setting are between first segment and second segment
Changeover portion, both first segment and second segment be concentric arc-shaped cross-section, first segment and second segment enclose in the opposite direction
Around inner sleeve, the distal end of first segment have with the consistent inclined tip of inner sleeve, wherein inner sleeve and outer sleeve are in changeover portion
Axially slideably hinge connects each other.
According to an embodiment of the present application, inner sleeve may include a pair of of track type slot of axial symmetry setting, the mistake of outer sleeve
The pin hole that section may include axial symmetry setting is crossed, and outer sleeve and inner sleeve on pin hole and can be socketed in race by being fixed on
Slideably hinge connects a pair of of traveller in road shape slot each other.
According to an embodiment of the present application, inner sleeve relative to outer sleeve axially slidable distance can for 10 to
20 millimeters.
According to an embodiment of the present application, the material of inner sleeve and outer sleeve may include medical stainless steel, medical polymer or
Medical plastic.
It according to an embodiment of the present application, may include scale on the outer wall of inner sleeve and outer sleeve.
According to an embodiment of the present application, the proximal end of outer sleeve may include radial unilateral outwardly projecting handle.
According to an embodiment of the present application, the proximal end of inner sleeve may include the outwardly projecting handle of radial symmetric.
According to an embodiment of the present application, inner sleeve may include 0 to 10 degree relative to the corner of outer sleeve around hinge.
According to an embodiment of the present application, after outer sleeve positioning, inner sleeve is proximally pulled out relative to outer sleeve, around hinge
Corner is realized and is relocated to scheduled angle, then to distal end push-in.
According to an embodiment of the present application, outer sleeve positioning after, inner sleeve around hinge corner to scheduled angle and realize
It relocates.
The application can realize following beneficial technical effect.
Sleeve according to the embodiment of the present application includes inner sleeve and outer sleeve, and inner sleeve and outer sleeve are axially square
Slideably hinge connects to each other.Therefore, compared with the sleeve of the prior art, according to the sleeve of the embodiment of the present application can with it is existing
There is the same realized according to target spot technology by outer sleeve of the sleeve of technology to position for the first time.According to the actual needs of operation, needing
When inner sleeve is relocated relative to outer sleeve, keep the positioning of outer sleeve constant, inner sleeve can be rotated centered on hinge
Scheduled angle and realize second of positioning.It in the case where being displaced biggish situation, keeps the positioning of outer sleeve constant, pulls out interior
Sleeve reinserts inner sleeve after rotating scheduled angle relative to outer sleeve and realizes repositioning.Therefore, it is placed in sleeve
Position is not ideal enough afterwards when need adjustment direction, or needs when Minimally Invasive Surgery is implemented in two positions positioning, according to
The sleeve of the embodiment of the present application facilitates secondary positioning, reduces the slight illness of patient, improves the precision of Minimally Invasive Surgery.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is to show the schematic diagram that pull-out state is according to the sleeve for Minimally Invasive Surgery of the embodiment of the present application.
Fig. 2 is the schematic diagram of corner state after showing the sleeve pull-out for Minimally Invasive Surgery according to the embodiment of the present application.
Fig. 3 is to show the signal that first time positioning states are according to the sleeve for Minimally Invasive Surgery of the embodiment of the present application
Figure.
Fig. 4 is to show the signal that second of positioning states is according to the sleeve for Minimally Invasive Surgery of the embodiment of the present application
Figure.
Fig. 5 is the sectional view of A-A section in Fig. 3.
Fig. 6 is the sectional view of B-B section in Fig. 3.
Fig. 7 is the sectional view of C-C section in Fig. 3.
Fig. 8 be in Fig. 3 D to partial schematic diagram.
Fig. 9 A, 9B, 9C and 9D be show adjustment inner sleeve position and relocate using exemplary schematic diagram.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Unless otherwise defined, the technical term or scientific term used herein should be in the application fields and has
The ordinary meaning that the personage of general technical ability is understood." first " used in present patent application specification and claims,
" second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different compositions
Part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but indicates that there are at least one." even
Connect " either the similar word such as " connected " be not limited to physics or mechanical connection, but may include electrical company
It connects, it is either direct or indirect."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when being retouched
After the absolute position change for stating object, then the relative positional relationship also correspondingly changes.The thickness and shape of each tunic layer in attached drawing
Shape does not reflect actual proportions, and purpose is schematically illustrate teachings herein.
The term " distal end " occurred in the specification and claims and " proximal end " refer respectively to be implemented according to the application
One end of the sleeve for Minimally Invasive Surgery of example one end far from user and close user in use.
Now, it is described in conjunction with the accompanying the embodiment of the present invention.
Fig. 1 is to show the schematic diagram that pull-out state is according to the sleeve for Minimally Invasive Surgery of the embodiment of the present application.Fig. 2
It is the schematic diagram of corner state after showing the sleeve pull-out for Minimally Invasive Surgery according to the embodiment of the present application.
As illustrated in fig. 1 and 2, according to an embodiment of the present application, a kind of sleeve for Minimally Invasive Surgery is provided comprising inner sleeve
Cylinder 100, outer sleeve 200 and the hinge 300 for connecting inner sleeve 100 and outer sleeve 200.
Inner sleeve 100 is hollow cylindrical shape, and distal end has inclined tip 110.
Outer sleeve 200 may include first segment 210, second segment 220 and be arranged between first segment 210 and second segment 220
Changeover portion 230.Both first segment 210 and second segment 220 can be concentric arc-shaped cross-section, and first segment 210 and second segment 220 exist
Opposite side upward around inner sleeve 100, the distal end of first segment 210 have with the consistent inclined tip 240 of inner sleeve 100,
Wherein in changeover portion 230, axially slideably hinge connects inner sleeve 100 each other with outer sleeve 200.
According to an embodiment of the present application, inner sleeve 100 may include a pair of of track type slot 120 of axial symmetry setting, housing
The changeover portion 230 of cylinder 200 may include the pin hole of axial symmetry setting, and outer sleeve 200 and inner sleeve 100 can be by being fixed on
On pin hole and it is socketed in the slideably hinge connection each other of a pair of of traveller 300 in track type slot 120.But the application is unlimited
In this, but the slot 120 of inner sleeve 100 can be other shapes, such as rectangular shape.In addition, such as those skilled in the art institute
Understand, traveller 300 can be connected to otherwise on outer sleeve 100, such as be connected through a screw thread.
According to preferred embodiment of the present application, inner sleeve 100 relative to outer sleeve 200 axially slidably away from
From can be 10 to 20 millimeters.But the application is without being limited thereto, but for different Minimally Invasive Surgeries, inner sleeve 100 relative to
Axially slidable distance can be different for outer sleeve 200, and those skilled in the art can set according to different applying
It is suitably selected in meter.
According to an embodiment of the present application, the material of inner sleeve 100 and outer sleeve 200 may include medical stainless steel, it is medical poly-
Close object or medical plastic.Medical stainless steel material is preferably selected for the sleeve of reuse；For disposable sleeve
Preferably select medical polymer or medical grade plastic materials.
It may include scale on the outer wall of inner sleeve 100 and outer sleeve 200 according to preferred embodiment of the present application.Outer sleeve
Scale on 200 outer wall can be for from its distance of tip 240 so far, which be the insertion depth of sleeve, this is to operation
There is intuitive suggesting effect for doctor.There is scale, which indicates inner sleeve 100 relative to outer on the proximal end of inner sleeve
The length that sleeve 200 pulls out, so as to the location of the tip 110 for prompting operative doctor inner sleeve 100.In addition, housing
It include corner scale plate 250 on the proximal end of cylinder 200.There is angle index on scale plate 250, indicate inner sleeve 100 relative to outer
The angle of sleeve around hinge rotation, to prompt the location of tip 110 of operative doctor inner sleeve 100.Scale plate 250 can
Releasably it is arranged on the proximal end of outer sleeve 200.
According to an embodiment of the present application, the proximal end of outer sleeve 200 may include radial unilateral outwardly projecting handle 260.This
Outside, the proximal end of inner sleeve 100 may include the outwardly projecting handle 130 of radial symmetric.Although being only gived in attached drawing as described above
The handle 260 and 130 of type, but the application is without being limited thereto, but as those skilled in the art are aware, it is any to facilitate operation
Handle be all it is possible, for example, annulus and handle etc., without departing from teachings of the present application.
According to preferred embodiment of the present application, inner sleeve 100 relative to the corner of 200 around hinge of outer sleeve may include 0 to
10 degree.As understood by those skilled in the art, for different Minimally Invasive Surgeries, for inner sleeve 100 relative to outer sleeve 200
Corner may have different requirements.Therefore, those skilled in the art can suitably select according to using upper specific requirement.
According to the sleeve for Minimally Invasive Surgery of the application mainly by the following two kinds mode realize inner sleeve 100 relative to
The repositioning of outer sleeve 200.
Fig. 1 shows sleeve and is in pull-out state, and Fig. 2 shows corner states after sleeve pull-out.In conjunction with Fig. 1 and 2, inside
When the distance mobile relative to outer sleeve 200 of sleeve 100 is larger, after the positioning of outer sleeve 200, inner sleeve 100 is relative to housing
Cylinder 200 proximally pulls out, 300 corner of around hinge to scheduled angle, then realizes and relocate to distal end push-in.
Fig. 3 is to show the signal that first time positioning states are according to the sleeve for Minimally Invasive Surgery of the embodiment of the present application
Figure.Fig. 4 is to show the schematic diagram that second of positioning states is according to the sleeve for Minimally Invasive Surgery of the embodiment of the present application.
As shown in Figures 3 and 4, fixed in outer sleeve 200 when the distance mobile relative to outer sleeve 200 of inner sleeve 100 is smaller
Behind position, 100 around hinge corner of inner sleeve realizes repositioning to scheduled angle.
Fig. 5 is the sectional view of A-A section in Fig. 3.Fig. 6 is the sectional view of B-B section in Fig. 3.Fig. 7 is C-C section in Fig. 3
Sectional view.Fig. 8 be in Fig. 3 D to partial schematic diagram.
As shown in figure 5, the second segment 220 of outer sleeve 200 surrounds the left side side of inner sleeve 100 on the position of A-A section
Wall.
As shown in fig. 7, the first segment 210 of outer sleeve 200 surrounds the right side side of inner sleeve 100 on the position of C-C section
Wall.
As shown in Figure 6 and Fig. 3 is combined, a pair of of traveller 300 is located at the upside of the changeover portion 230 of outer sleeve 200 under
Side.
As shown in Figure 8 and combine Fig. 3, the tip 110 of inner sleeve 100 and the tip 240 of outer sleeve 200 be it is identical,
Be exactly that their tips 110 and 240 flush, and form inclined-plane in one direction and as anchor point.Furthermore such as the institute of Fig. 1 to 4
Show, the tip 110 of inner sleeve 100 and the tip 240 of outer sleeve 200 are located at the right side in figure.In this way, working as the point of inner sleeve 100
End 100 is moved to the left relative to outer sleeve 200, that is, when inner sleeve corner, will reduce resistance, can be avoided to the maximum extent pair
The damage of living tissue.
Fig. 9 A, 9B, 9C and 9D be show adjustment inner sleeve position and relocate using exemplary schematic diagram.
In the following, in conjunction with Fig. 9 A to 9D description, according to the sleeve of the embodiment of the present application, position is not ideal enough after merging needs to adjust
Perfect square to application example.
As shown in Figure 9 A, sleeve, which punctures, reaches the area predetermined position B, and realizes sleeve by the tip of outer sleeve 200 240
First time positioning, but doctor find the area B position location it is not ideal enough, need to adjust to the area A.
As shown in Figure 9 B, in the case where outer sleeve 200 does not change positioning, inner sleeve 100 can be determined with outer sleeve 200
Position is that reference point carries out shifting function, and Fig. 9 B shows inner sleeve 100 and draws back, that is, pulls out scheduled distance.
As shown in Figure 9 C, after inner sleeve 100 pulls out scheduled distance, inner sleeve 100 is relative to 200 turns of outer sleeve
Scheduled angle is moved, so that the tip 110 of inner sleeve 100 is towards the area A.
As shown in fig. 9d, after the tip of inner sleeve 100 110 is aligned with the area A, inner sleeve 100 can be inserted by doctor, and
The tip 110 of inner sleeve 100 can position in the area A, that is, realize the repositioning of sleeve.
The application can realize following beneficial technical effect.
Sleeve according to the embodiment of the present application includes inner sleeve 100 and outer sleeve 200, and inner sleeve 100 and outer sleeve
200 axially slideably hinge connections each other.Therefore, compared with the sleeve of the prior art, implemented according to the application
The sleeve of example can be realized by outer sleeve 200 according to target spot technology as the sleeve of the prior art and be positioned for the first time.According to operation
Actual needs, need inner sleeve 100 relative to outer sleeve 200 relocate when, keep outer sleeve 200 positioning it is constant,
Inner sleeve 100 can be rotated scheduled angle centered on hinge and realize second of positioning.In the case where being displaced biggish situation, protect
The positioning for holding outer sleeve 200 is constant, pulls out inner sleeve 100, inserts again after rotating scheduled angle relative to outer sleeve 200
Enter inner sleeve 100 and realizes and relocate.Therefore, sleeve merging after position is not ideal enough need adjustment direction when, or
It is to need when Minimally Invasive Surgery is implemented in two position positioning, secondary positioning is facilitated according to the sleeve of the embodiment of the present application, is subtracted
The small slight illness of patient, improves the precision of Minimally Invasive Surgery.
Embodiment of above is merely to illustrate the application, and is not the limitation to the application, in relation to the common of technical field
Technical staff can also make a variety of changes and modification in the case where not departing from spirit and scope, therefore all
Equivalent technical solution also belongs to the scope of the application, and the scope of patent protection of the application should be defined by the claims.
Claims (11)
1. a kind of sleeve for Minimally Invasive Surgery, comprising:
Inner sleeve is hollow cylindrical shape, distally has inclined tip；And
Outer sleeve, including first segment, second segment and the changeover portion being arranged between the first segment and second segment, the first segment
It is concentric arc-shaped cross-section with both second segments, the first segment and second segment surround the inner sleeve in the opposite direction
Cylinder, the distal end of the first segment have with the consistent inclined tip of the inner sleeve,
Wherein in the changeover portion, axially slideably hinge connects the inner sleeve each other with the outer sleeve.
2. sleeve as described in claim 1, wherein the inner sleeve includes a pair of of track type slot of axial symmetry setting, it is described
The changeover portion of outer sleeve includes the pin hole of axial symmetry setting, and the outer sleeve and the inner sleeve are by being fixed on
On the pin hole and it is socketed in the slideably hinge connection each other of a pair of of traveller in track type slot.
3. sleeve as described in claim 1, wherein the inner sleeve relative to the outer sleeve axially slidably
Distance be 10 to 20 millimeters.
4. sleeve as described in claim 1, wherein the material of the inner sleeve and the outer sleeve include medical stainless steel or
Medical polymer.
5. sleeve as described in claim 1, wherein including scale on the outer wall of the inner sleeve and the outer sleeve.
6. sleeve as described in claim 1, wherein the proximal end of the outer sleeve includes radial unilateral outwardly projecting handle.
7. sleeve as described in claim 1, wherein the proximal end of the inner sleeve includes the outwardly projecting handle of radial symmetric.
8. sleeve as described in claim 1, wherein the inner sleeve is relative to the outer sleeve around the corner packet of the hinge
Include 0 to 10 degree.
9. sleeve as claimed in claim 8, wherein the inner sleeve is relative to the outer sleeve after outer sleeve positioning
It proximally pulls out, realizes and relocate around the hinge corner to scheduled angle, then to distal end push-in.
10. sleeve as claimed in claim 8, wherein the inner sleeve is around the hinge corner after outer sleeve positioning
Repositioning is realized to scheduled angle.
11. sleeve as claimed in claim 4, wherein the medical polymer includes medical plastic.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017112987840 | 2017-12-08 | ||
| CN201711298784 | 2017-12-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108403190A CN108403190A (en) | 2018-08-17 |
| CN108403190B true CN108403190B (en) | 2019-12-03 |
Family
ID=63129226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810162291.2A Expired - Fee Related CN108403190B (en) | 2017-12-08 | 2018-02-26 | Sleeve for Minimally Invasive Surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108403190B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2265752A1 (en) * | 1996-09-16 | 1998-03-19 | Philip S. Green | System and method for endosurgery employing conjoint operation of an endoscope and endosurgical instrument |
| WO2005060837A2 (en) * | 2003-12-18 | 2005-07-07 | Depuy Spine, Inc. | Surgical retractor systems, illuminated cannulae, and methods of use |
| ES2538816T3 (en) * | 2009-01-28 | 2015-06-24 | Apriomed Ab | Adjustable cutting medical instruments |
| CN201379629Y (en) * | 2009-03-20 | 2010-01-13 | 柳远春 | Sleeve puncture needle |
| US20110087159A1 (en) * | 2009-10-08 | 2011-04-14 | Parihar Shailendra K | Trocar Assembly |
| AU2010334552B2 (en) * | 2009-12-27 | 2014-04-17 | Covidien Lp | Medical device |
| CN202426662U (en) * | 2012-02-03 | 2012-09-12 | 林钧 | Adjustable limiting sleeve with precision protractor |
| US9918712B2 (en) * | 2013-08-02 | 2018-03-20 | Covidien Lp | Devices, systems, and methods for providing surgical access and facilitating closure of surgical access openings |
-
2018
- 2018-02-26 CN CN201810162291.2A patent/CN108403190B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108403190A (en) | 2018-08-17 |
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20191203 Termination date: 20200226 |