CN106510781A - Articular cavity distracter and use method thereof - Google Patents
Articular cavity distracter and use method thereof Download PDFInfo
- Publication number
- CN106510781A CN106510781A CN201611236046.9A CN201611236046A CN106510781A CN 106510781 A CN106510781 A CN 106510781A CN 201611236046 A CN201611236046 A CN 201611236046A CN 106510781 A CN106510781 A CN 106510781A
- Authority
- CN
- China
- Prior art keywords
- handle
- strut
- articular cavity
- stay
- cavity dilator
- 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.)
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- 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 discloses an articular cavity distracter and a use method thereof. Excision treatment unnecessary for an operation can be omitted, the time of arthrotomy is saved, and the operation effect is not affected. The articular cavity distracter comprises a supporting rod (11), a drawing rod (12), a first handle (13), a second handle (14), a rotary shaft (15) and a locking device (16). A spherical part (111) is arranged at the tail end of the supporting rod (11), a hook part (121) is arranged at the tail end of the drawing rod (12), the first handle (13) is connected with the drawing rod (12), the second handle is connected with the supporting rod (11), the first handle (13) is coupled with the second handle (14) through the rotary shaft (15), the locking device (16) is arranged between the first handle (13) and the second handle (14) to lock the relative positions of the first handle (13) and the second handle (14), the supporting rod (11) and the drawing rod (12) are placed side by side, and a groove is formed by a first surface (112) and a second surface (122). Due to the fact that the surfaces of the supporting rod (11) and the drawing rod (12) are arranged in arc shapes, a channel promoting inlet and outlet of an arthroscope can be formed, and space is created for the further operation.
Description
Technical field
The present invention relates to field of medical appliances, more particularly to a kind of articular cavity dilator and its using method.
Background technology
When carrying out arthrocsopic surgery at present, the pressure that liquid is usually used struts joint cavity gap to obtain working place.
But can not usually obtain the operation visual field well, particularly in laparoscopic surgery, interference of the subpatellar fat pad to the visual field
It is very big, almost it is required for subpatellar fat pad is carried out Partial Resection to exchange the work visual field in performing the operation per platform.But, fat under kneecap
Fat pad has the effect for reducing patellar ligament and facies articularis ossium friction, it is desirable to the unnecessary of subpatellar fat pad in avoiding operation
Excision.
The content of the invention
It is an object of the invention to provide a kind of articular cavity dilator, can effectively retract or hook is opened and stops surgical field of view
The tissue of joint intracavity, to exchange the optimal work visual field for, so as to avoid the process to the necessary organized processing of No operation.
In the present invention, there is provided a kind of articular cavity dilator, including strut (11), stay (12), first handle (13),
Second handle (14), rotating shaft (15) and locking device (16), the end of the strut (11) have bulb (111), the stay
(12) end has hook portion (121), and the first handle (13) is connected with the stay (12), the second handle with it is described
Strut (11) is connected, and the first handle (13) is connect with the second handle (14) axle by the rotating shaft (15), the locking
Device (16) is arranged between the first handle (13) and the second handle (14) to lock the first handle (13)
With the relative position of the second handle (14), the strut (11) and the stay (12) are placed side by side and first surface
(112) and second surface (122) constitute groove.
In a preference, the first handle (13) is fixed handle, and the second handle (14) is motion handle.
In another preference, the first handle (13) is motion handle, and the second handle (14) is fixed handle.
In a preference, the first handle (13) is bent with the junction of the stay (12), the second handle
(14) bend with the junction of the strut (11).
In a preference, the bulb (111) is integrally formed with the end of the strut (11), the hook portion (121)
Formed by the end bending of the stay (12).
In another preference, the bulb (111) is socketed in the end of the strut (11).
In a preference, the locking device (16) includes fixed plate (161) and stopper slot (162), the fixed plate
(161) it is fixed on the inside of the fixed handle near rotating shaft (15) place, the stopper slot (162) and the motion handle (14)
Clamping.
In the present invention, a kind of using method of articular cavity dilator is additionally provided, is strutted using articular cavity described above
Device, mediates the first handle (13) and the second handle (14) so that the strut (11) is relative to the stay (12)
Move forward along the direction parallel to the strut (11), after predeterminable range is advanced to, locked by the locking device (16)
The first handle (13) and the relative position of the second handle (14).
Further, after the motion handle (14) being fixed on current location, arthroscope passes through the strut (13)
Articular cavity is passed in and out with the groove that the first surface (112) and second surface (122) of the stay (14) are constituted.
In one embodiment, using the hook portion (121) hook joint intraluminal tissue.
Compared with prior art, the main distinction and its effect are embodiment of the present invention：1st, strut and stay have arc
Shape surface can constitute Arthroscopic access way after distracting action is completed；2nd, by controlling motion handle and fixed handle
Relative position, the hook portion of design effectively can be retracted or hook opens in-vivo tissue, and bulb can be played a supporting role, so as to basis
It is actual to obtain optimal surgical field of view.
It should be understood that within the scope of the present invention, above-mentioned each technical characteristic of the present invention and have in below (eg embodiment)
Can be combined with each other between each technical characteristic of body description, so as to constitute new or preferred technical scheme.As space is limited, exist
This no longer tires out one by one states.
Description of the drawings
Fig. 1 is the schematic diagram of articular cavity dilator in one embodiment of the present of invention.
Fig. 2 is the structure chart of bulb and hook portion in one embodiment of the present of invention.
Fig. 3 is the three-view diagram of strut and stay when articular cavity dilator is not used in one embodiment of the present of invention.
Fig. 4 is the structure chart of bulb when articular cavity dilator is used in one embodiment of the present of invention and hook portion.
Fig. 5 is two views of strut and stay when articular cavity dilator is used in one embodiment of the present of invention.
It is the Main Reference Numerals that are related in the present invention below：
11 struts
111 bulbs
112 first surfaces
12 stays
121 bar portions
122 second surfaces
13 first handles
14 second handles
15 rotating shafts
16 locking devices
161 fixed plates
162 stopper slots (or being referred to as " stop ")
Specific embodiment
In current arthrocsopic surgery, need first to open articular cavity and recycle arthroscopic instrument to be performed the operation.Generally adopt
Make articular cavity open with fluid pressure, but the fat pad of intracavity can cause part to stop surgical field of view, therefore in actual handss
Cut-out tissue have in art to exchange preferably operative space for.In order to avoid this unnecessary operations, present invention design
A kind of articular cavity dilator, by strut and the acquisition preferably operative space that cooperates of stay.
In the following description, in order that reader more fully understands the application and proposes many ins and outs.But, this
Even if the those of ordinary skill in field is appreciated that does not have these ins and outs and many variations based on following embodiment
And modification, it is also possible to realize each claim of the application technical scheme required for protection.
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with enforcement of the accompanying drawing to the present invention
Mode is described in further detail.
First embodiment of the invention is related to articular cavity dilator.Fig. 1 is articular cavity support in one embodiment of the present of invention
Drive the schematic diagram of device 100.
As shown in figure 1, articular cavity dilator 100 includes strut 11, stay 12, first handle 13, second handle 14, rotating shaft
15 and locking device 16.In the present embodiment, first handle 13 is fixed handle, and second handle 14 is motion handle.Fixed handss
Handle 13 is connected with stay 12, and motion handle 14 is connected with strut 11, and two junctions are bending structure, it is therefore an objective to
The torque of handle is reduced to control the mobile range of strut and stay.Fixed handle 13 passes through rotating shaft 15 and 14 phase axle of motion handle
Connect.Locking device 16 is also equiped near the inner side of rotating shaft 15 in fixed handle 13, locking device 16 includes fixed plate 161 and limit
Position groove 162, stopper slot 162 is connected with the lower end of fixed plate 161 for such as 45 ° with predetermined angle, and fixed strip 161 is fixed on
On fixed handle 13.Motion handle 14 is by being stuck in the different groove position of stopper slot 162 come before controlling strut 12 relative to stay 11
The distance of shifting, when the space that bulb 111 and hook portion 121 are mutually strutted meets surgical field of view to be required, motion handle 14 will be stuck in
Current location, till needing to change again the operative space of articular cavity.
In another embodiment, first handle 13 is motion handle, and second handle 14 is fixed handle.161 quilt of fixed plate
It is fixed on fixed handle 14.Motion handle 13 controls stay 12 relative to support by being stuck in the different groove position of stopper slot 162
The distance that bar 11 is retreated, when the space that bulb 111 and hook portion 121 are mutually strutted meets surgical field of view to be required, motion handle 13
Current location will be stuck in, till needing to change again the operative space of articular cavity.
In another preference, locking device 16 only includes stop 162, and stop 162 is fixed on fixed handle 13
Inner side is at the rotating shaft 15 and can be with 14 clamping of motion handle.
Fig. 2 is the structure chart of bulb and hook portion in one embodiment of the present of invention.As shown in Fig. 2 strut 11 and stay 12
First surface 112 and second surface 122 can form cambered surface, i.e. groove.The end of strut 11 has bulb 111, bulb 111
With 11 global formation of strut, can adopt any non-toxic material, in another embodiment, bulb 111 can be part hollow or
Solid spheroid, can be socketed in the end of strut 11 and fix.The end of stay 12 has a hook portion 121, and hook portion 121 is by leading
The end of bar 12 is formed to the direction bending away from 12 upper surface of stay.
Fig. 3 is the three-view diagram of strut and stay when articular cavity dilator is not used in one embodiment of the present of invention.Such as Fig. 3
Shown, when being not used, bulb 111 and hook portion 121 are leaned against at one, have no relative distance.
Fig. 4 is the structure chart of bulb when articular cavity dilator is used in one embodiment of the present of invention and hook portion, and Fig. 5 is
Two views of strut and stay when articular cavity dilator is used in one embodiment of the present of invention.As shown in Figure 4 and Figure 5, use
When, bulb 111 moves forward under the propulsion of strut 11, and hook portion 121 is still located at original position, bulb 111 and hook portion 121 have it is relative away from
From L, articular cavity can be strutted, while hook portion 121 just fat pad can be retracted, obtain surgical field of view.
Second embodiment of the present invention is related to a kind of using method of articular cavity dilator.Using articular cavity dilator
When 100, need to mediate motion handle 14, it is close to fixed handle 13 by the rotation of rotating shaft 15 so that motion handle 14 and solid
The relative position for determining handle 13 changes, and motion handle 14 promotes strut 11 along the direction parallel to strut 11 relative to stay
12 reaches, i.e., bulb 111 moves forward relative to hook portion 121, after predeterminable range is advanced to, by stopper slot 162 by motion handss
Handle 14 is stuck in current location.Wherein, the predeterminable range is judged according to surgery situation by human eye.
In another embodiment, first handle 13 is motion handle, and second handle 14 is fixed handle, then mediate motion handss
Handle 13 is close by the rotation phase fixed handle 14 of rotating shaft 15 so that the relative position of motion handle 13 and fixed handle 14 occurs
Change, motion handle 13 pull stay 12 to retreat relative to strut along the direction parallel to strut 11, i.e., bulb 111 is relative to hook
Portion 121 moves forward, and after predeterminable range is advanced to, motion handle 13 is stuck in current location by stopper slot 162.
For example, in laparoscopic surgery, during using articular cavity dilator 100, first by the bulb of articular cavity dilator
111 and hook portion 121 fill in preliminary preparation in the passage that establishes so that bulb 111 and hook portion 121 are located at articular surface and kneecap
Between lower fat pad.Then motion handle 14 and fixed handle 13 are mediated, motion handle 14 is made towards admittedly by the rotation of rotating shaft 15
Determine that handle 13 is close, so as to promote strut 11 to move forward along the direction parallel to strut 11 so that bulb 111 moves forward, therefore bulb
111 can be as a distal end fulcrum relative to articular cavity dilator, according to operative space and the needs in the work visual field, hook portion
121 can retract or hook opens fat pad, it is to avoid stop surgical field of view, and after optimum field to be determined, control motion handle 14 is stuck in
The reasonable groove position of stopper slot 162, therefore hook portion 121 can be used as a proximal fulcrum relative to articular cavity dilator.Therefore,
The upper surface of strut 11 and stay 12 constitutes curved channel, can be the access way of such as arthroscopic instrument, conveniently carry out
The operation of next step.Curved channel is in recessed.
It should be noted that in the claim and description of this patent, such as first and second or the like relation
Term is used merely to an entity or operation are made a distinction with another entity or operation, and not necessarily requires or imply
There is any this actual relation or order between these entities or operation.And, term " including ", "comprising" or its
Any other variant is intended to including for nonexcludability so that process, method, article including a series of key elements or
Equipment not only includes those key elements, but also including other key elements being not expressly set out, or also include for this process,
The intrinsic key element of method, article or equipment.In the absence of more restrictions, by wanting that sentence " including " is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or equipment.
Although by referring to some of the preferred embodiment of the invention, being shown and described to the present invention,
It will be understood by those skilled in the art that can to which, various changes can be made in the form and details, without departing from this
Bright spirit and scope.
Claims (10)
1. a kind of articular cavity dilator, it is characterised in that including strut (11), stay (12), first handle (13), second handle
(14), rotating shaft (15) and locking device (16), the end of the strut (11) have bulb (111), the end of the stay (12)
With hook portion (121), the first handle (13) is connected with the stay (12) at end, the second handle and the strut (11)
It is connected, the first handle (13) is connect with the second handle (14) axle by the rotating shaft (15), the locking device (16)
It is arranged between the first handle (13) and the second handle (14) to lock the first handle (13) and described the
The relative position of two handles (14), the strut (11) and the stay (12) be placed side by side and first surface (112) and
Second surface (122) constitutes groove.
2. articular cavity dilator as claimed in claim 1, it is characterised in that the first handle (13) is fixed handle, institute
It is motion handle to state second handle (14).
3. articular cavity dilator as claimed in claim 1, it is characterised in that the first handle (13) is motion handle, institute
It is fixed handle to state second handle (14).
4. the articular cavity dilator as any one of claim 1-3, it is characterised in that the first handle (13) and institute
The junction bending of stay (12) is stated, the second handle (14) is bent with the junction of the strut (11).
5. the articular cavity dilator as any one of claim 1-3, it is characterised in that the bulb (111) with it is described
The end of strut (11) is integrally formed, and the hook portion (121) is formed by the end bending of the stay (12).
6. the articular cavity dilator as any one of claim 1-3, it is characterised in that the bulb (111) is socketed in
The end of the strut (11).
7. the articular cavity dilator as any one of claim 1-6, it is characterised in that the locking device (16) includes
Fixed plate (161) and stopper slot (162), the fixed plate (161) are fixed on the inside of the fixed handle near rotating shaft (15)
Place, the stopper slot (162) and the motion handle (14) clamping.
8. a kind of using method of articular cavity dilator, it is characterised in that articular cavity dilator as claimed in claim 1, pinches
Close the first handle (13) and the second handle (14) so that the strut (11) is relative to the stay (12) along parallel
Move forward in the direction of the strut (11), after predeterminable range is advanced to, described the is locked by the locking device (16)
The relative position of one handle (13) and the second handle (14).
9. using method as claimed in claim 8, it is characterised in that also include：The motion handle (14) is fixed on and is worked as
After front position, arthroscope passes through the first surface (112) and second surface (122) of the strut (13) and the stay (14)
The groove turnover articular cavity of composition.
10. using method as claimed in claim 8, it is characterised in that using the hook portion (121) hook joint intracavity group
Knit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236046.9A CN106510781B (en) | 2016-12-28 | 2016-12-28 | Joint cavity spreader and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236046.9A CN106510781B (en) | 2016-12-28 | 2016-12-28 | Joint cavity spreader and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106510781A true CN106510781A (en) | 2017-03-22 |
| CN106510781B CN106510781B (en) | 2023-09-05 |
Family
ID=58339161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611236046.9A Active CN106510781B (en) | 2016-12-28 | 2016-12-28 | Joint cavity spreader and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106510781B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670323A (en) * | 2018-04-20 | 2018-10-19 | 中南大学湘雅医院 | Diaphragma sellae dilator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000078225A1 (en) * | 1999-06-19 | 2000-12-28 | Mathys Medizinaltechnik Ag | Ligament-tensioning device for non-spheroid joints |
| US20030055319A1 (en) * | 2001-09-14 | 2003-03-20 | David Chang | Surgical retractor |
| CN202409047U (en) * | 2011-12-26 | 2012-09-05 | 高宇亮 | Meniscus-ectomy biting forceps for arthroscopic surgery |
| CN102824205A (en) * | 2012-08-22 | 2012-12-19 | 上海交通大学医学院附属第九人民医院 | Retractor of rhinoplastic endoscope |
| CN203749466U (en) * | 2014-02-20 | 2014-08-06 | 西安交通大学 | Spine vertebral plate retractor |
| CN104921766A (en) * | 2015-07-05 | 2015-09-23 | 陈远明 | Cervical vertebra anterior distraction device suitable for minimally invasive surgery |
| CN204655011U (en) * | 2015-04-21 | 2015-09-23 | 上海市第一人民医院 | A kind of operative incision dilator |
| CN204708898U (en) * | 2015-05-08 | 2015-10-21 | 嘉思特华剑医疗器材(天津)有限公司 | A kind of knee joint can measurement clearance dilator |
-
2016
- 2016-12-28 CN CN201611236046.9A patent/CN106510781B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000078225A1 (en) * | 1999-06-19 | 2000-12-28 | Mathys Medizinaltechnik Ag | Ligament-tensioning device for non-spheroid joints |
| US20030055319A1 (en) * | 2001-09-14 | 2003-03-20 | David Chang | Surgical retractor |
| CN202409047U (en) * | 2011-12-26 | 2012-09-05 | 高宇亮 | Meniscus-ectomy biting forceps for arthroscopic surgery |
| CN102824205A (en) * | 2012-08-22 | 2012-12-19 | 上海交通大学医学院附属第九人民医院 | Retractor of rhinoplastic endoscope |
| CN203749466U (en) * | 2014-02-20 | 2014-08-06 | 西安交通大学 | Spine vertebral plate retractor |
| CN204655011U (en) * | 2015-04-21 | 2015-09-23 | 上海市第一人民医院 | A kind of operative incision dilator |
| CN204708898U (en) * | 2015-05-08 | 2015-10-21 | 嘉思特华剑医疗器材(天津)有限公司 | A kind of knee joint can measurement clearance dilator |
| CN104921766A (en) * | 2015-07-05 | 2015-09-23 | 陈远明 | Cervical vertebra anterior distraction device suitable for minimally invasive surgery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670323A (en) * | 2018-04-20 | 2018-10-19 | 中南大学湘雅医院 | Diaphragma sellae dilator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106510781B (en) | 2023-09-05 |
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