CN105769113A - Instrument locking switch and trocar - Google Patents
Instrument locking switch and trocar Download PDFInfo
- Publication number
- CN105769113A CN105769113A CN201410821442.2A CN201410821442A CN105769113A CN 105769113 A CN105769113 A CN 105769113A CN 201410821442 A CN201410821442 A CN 201410821442A CN 105769113 A CN105769113 A CN 105769113A
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- rotating shaft
- locking
- locking switch
- curved surface
- hole
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Abstract
The invention discloses an instrument locking switch, which comprises handle, a rotating shaft, a locking camber, a casing and an instrument through hole. The center of the locking camber is lower than the edge of the locking camber; along with the rotation of the rotating shaft, the height of the edge of the locking camber gradually varies in the axial direction of the rotating shaft; interference fit is gradually generated between the the instrument locking switch and an instrument; and the instrument is locked in the instrument through hole. The instrument locking switch, in a locking mode of rotating along an axis, is smaller in motion clearance and is more compact in structure, and moreover, the instrument is prevented from moving up and down. The invention also discloses a trocar, which makes use of the instrument locking switch disclosed by the invention, and the trocar has the characteristics of being compact in structure and safe and reliable.
Description
Technical field
The present invention relates to a kind of laparoscopically surgical operation apparatus, particularly relate to the apparatus locking switch and the perforator that use in laparoscopic surgery.
Background technology
Laparoscopic surgery obtains and is increasingly widely applied, in order to avoid nosocomial infection, the consumption of the disposable puncture device (Trocar) used in laparoscopic surgery is also increasing, ensureing on the basis of serviceability, simplify structure, reducing cost, improve performance, this trend has become the direction that perforator improves.
In prior art, apparatus locking switch is typically mounted on the upper cover of housing and the installation combinatorial surface place of lower cover, and employing is that the mode swung up and down along axis carries out locking and relaxing.When locking switch is along the axis bottom, locking switch is opened, and apparatus can insert from installing hole and take out, and when locking switch is put along axis, locking switch cuts out, and apparatus is fixed in installing hole.What adopt due to existing technical scheme is the mode swung up and down along axis, therefore, in the process of apparatus locking switch folding, required space is bigger, operating theater instruments, such as scope, can make apparatus move up and down along operating theater instruments through hole when closing locking switch.And be ensure that apparatus can be fixed in installing hole and not be moved, what adopt at present generally is that apparatus is fixed by the mode of interference fit.Therefore, the stress that inevitably can produce local around locking switch is concentrated.When stress is excessive, the assembling of the upper cover near locking switch and lower cover can be caused to occur unclamping, even cause the separation of upper cover and lower cover, thus interrupting operation process.
Owing to prior art existing drawbacks described above, so that apparatus locking switch and perforator to prior art improve.
Summary of the invention
The apparatus locking switch of the present invention, it is characterised in that: described apparatus locking switch 9 is containing handle 1, rotating shaft 2, locking curved surface 3, housing 4, apparatus through hole 5；
A. described locking curved surface 3 is located at the far-end of described rotating shaft 2；The center 31 of described locking curved surface 3 is low, and edge 32 is high, described center 31 tilt glossily to described edge 32；Along with the rotation of described rotating shaft 2, the edge 32 of described locking curved surface 3 progressively changes at the axial height of described rotating shaft 2；
B. described rotating shaft 2 is containing detent 21；Described housing 4 is containing upper cover 41, lower cover 42, rotating shaft installing hole 43 and rotating shaft locating piece 44；Described rotating shaft 2 is arranged in rotating shaft installing hole 43, and described rotating shaft locating piece 44 is embedded in detent 21；Described rotating shaft 2, described rotating shaft locating piece 44 are arranged on upper cover 41 and the lower cover 42 of housing 4；
C. the centrage of described rotating shaft 2 is non-flat line with the centrage of described apparatus through hole 5；
D. described handle 1 is located at the near-end of described rotating shaft 2, is exposed to outside housing 4.
Being arranged in rotating shaft installing hole 43 by the rotating shaft 2 of described apparatus locking switch 9, described rotating shaft locating piece 44 is embedded in detent 21, closes up upper cover 41 and the lower cover 42 of described housing 4, can complete the assembling of described apparatus locking switch 9.After described apparatus locking switch 9 is assembled, when described apparatus through hole 5 is inserted described apparatus 6, during such as scope, rotate described rotating shaft 2, along with the edge 32 of described locking curved surface 3 is in the progressively change of axial height, progressively producing an interference fit between described apparatus locking switch 9 and described apparatus 6, the contact force between described apparatus locking switch 9 and described apparatus 6 also progressively changes therewith.After the rotating shaft 2 of described apparatus locking switch 9 rotates to setting position, described apparatus 6 is locked in described apparatus through hole 5.
Due to described apparatus locking switch 9 take be along axis rotate lock mode, therefore use procedure does not need additionally to reserve the space of described apparatus locking switch 9, structure is compacter, and is not result in apparatus and moves up and down.Owing to the interference fit between described apparatus locking switch 9 and described apparatus 6 is that the edge 32 by described locking curved surface 3 realizes in the progressively change of axial height, what take between described locking curved surface 3 and apparatus is the mode that contacts of face, the increase of coupling mechanism force simultaneously is also stepped up therewith, the increase of coupling mechanism force is more mild, therefore, the stress of more difficult formation work process is concentrated, safer.
The edge 32 of described locking curved surface 3 is provided with locking location cambered surface 33, and the face of cylinder on the surface of the apparatus 6 passed through in described cambered surface 33 and described apparatus through hole 5 matches.The cambered design that described locking location cambered surface 33 is high in both sides, center is low.When the rotating shaft 2 rotating described apparatus locking switch 9, after the locking location cambered surface 33 of described locking curved surface 3 touches the apparatus 6 in described apparatus through hole 5, along with further rotating of described rotating shaft 2, described locking switch 9 continues the apparent motion of the described apparatus 6 of laminating along the location cambered surface 33 that locks of described locking curved surface 3.Owing to described location cambered surface 33 have employed cambered design, therefore, along with the carrying out rotated, from the end 33-1 of the arc of described location cambered surface 33 to the bottom 33-2 of arc, interference fit degree between described locking curved surface 3 and described apparatus 6 can alleviate therewith, therefore, the contact force between described apparatus locking switch 9 and described apparatus 6 can decrease.So, in use procedure, when described rotating shaft 2 rotate to described locking location cambered surface 33 contact with described apparatus 6 time, along with being rotated further of described rotating shaft 2, user may feel that the process of power reduction.The design of described locking location cambered surface 33, it is possible to facilitating user to judge, whether described locking switch 9 is locked puts in place.
Further, the central axis of described rotating shaft 2 is in the centrage of described apparatus through hole 5.The relation that the centrage of described rotating shaft 2 and the centrage of described apparatus through hole 5 are non-flat line can realize the locking between described apparatus locking switch 9 and described apparatus 6, when the central axis of described rotating shaft 2 is when the centrage of described apparatus through hole 5, the locking effect between described apparatus locking switch 9 and described apparatus 6 is best.
The present invention is also containing perforator, and described perforator 100 is containing apparatus locking switch 9 described in claim 1.
The apparatus locking switch 9 of the present invention is containing described handle 1, described rotating shaft 2, described locking curved surface 3, described housing 4 and described apparatus through hole 5.The center 31 of described locking curved surface 3 is low, edge 32 is high, rotation along with described rotating shaft 2, the edge 32 of described locking curved surface 3 progressively changes at the axial height of described rotating shaft 2, progressively producing interference fit between locking curved surface 3 and the described apparatus 6 of described apparatus locking switch 9, described apparatus 6 is locked in described apparatus through hole 5.Due to described apparatus locking switch 9 take be along axis rotate lock mode, therefore use procedure does not need additionally to reserve the space of described apparatus locking switch 9, structure is compacter, and is not result in apparatus and moves up and down.The perforator 100 using the apparatus locking switch 9 of the present invention has apparatus and locks convenient, reliable advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the apparatus locking switch of the present invention.
Fig. 2 is the rotating shaft perspective view of the apparatus locking switch of the present invention.
Fig. 2-1 is the top view of Fig. 2
The A-A sectional view of Fig. 2-1 of Fig. 2-2.
Fig. 3 is the structural representation of the perforator of the present invention.
Fig. 4 is the partial exploded view of Fig. 3.
In above-mentioned figure:
100 is the perforator of the present invention, and 101 is puncturing lever, and 102 is sheath pipe.
1 is handle, and 2 is rotating shaft, and 3 is locking curved surface, and 4 is housing, and 5 is apparatus through hole, and 6 is apparatus, and 9 is the apparatus locking switch of the present invention.
21 is the detent in rotating shaft；The center that 31 is locking curved surface, 32 is the edge of locking curved surface, and 33 is locking location cambered surface；41 is upper cover, and 42 is lower cover, and 43 is rotating shaft installing hole, and 44 is rotating shaft locating piece.
Detailed description of the invention
Embodiment 1: the apparatus locking switch of the present invention
With reference to Fig. 1, the apparatus locking switch of the present invention is containing handle 1, rotating shaft 2, locking curved surface 3, housing 4 and apparatus through hole 5.
Described handle 1 is located at the near-end of described rotating shaft 2, is exposed to outside housing 4.
Described locking curved surface 3 is located at the far-end of described rotating shaft 2；The center 31 of described locking curved surface 3 is low, and edge 32 is high, described center 31 tilt glossily to described edge 32；Along with the rotation of described rotating shaft 2, the edge 32 of described locking curved surface 3 progressively changes at the axial height of described rotating shaft 2.
Described rotating shaft 2 is containing detent 21.Described housing 4 is containing upper cover 41, lower cover 42, rotating shaft installing hole 43 and rotating shaft locating piece 44.Described rotating shaft 2 is arranged in rotating shaft installing hole 43, and described rotating shaft locating piece 44 is embedded in detent 21, and described rotating shaft 2, described rotating shaft locating piece 44 are arranged on upper cover 41 and the lower cover 42 of housing 4.
The central axis of described rotating shaft 2 is in the centrage of described apparatus through hole 5.
Being arranged in rotating shaft installing hole 43 by the rotating shaft 2 of described apparatus locking switch 9, described rotating shaft locating piece 44 is embedded in detent 21, closes up upper cover 41 and the lower cover 42 of described housing 4, can complete the assembling of described apparatus locking switch 9.After described apparatus locking switch 9 is assembled, the rotating shaft 2 of described apparatus locking switch 9 is placed in open position, described apparatus through hole 5 is inserted described apparatus 6, rotate described rotating shaft 2, along with the edge 32 of described locking curved surface 3 is in the progressively change of axial height, progressively producing an interference fit between described apparatus locking switch 9 and described apparatus 6, the contact force between described apparatus locking switch 9 and described apparatus 6 also progressively changes therewith.After the rotating shaft 2 of described apparatus locking switch 9 rotates to the position of pass, described apparatus 6 is locked in described apparatus through hole 5.
Due to described apparatus locking switch 9 take be along axis rotate lock mode, therefore use procedure does not need additionally to reserve the space of described apparatus locking switch 9, structure is compacter, and is not result in apparatus and moves up and down.And owing to the interference fit between described apparatus locking switch 9 and described apparatus 6 is that the edge 32 by described locking curved surface 3 realizes in the progressively change of axial height, what take between described locking curved surface 3 and apparatus is the mode that contacts of face, the increase of coupling mechanism force simultaneously is also stepped up therewith, the increase of coupling mechanism force is more mild, therefore, the stress of more difficult formation work process is concentrated, safer.
Embodiment 2: the apparatus locking switch containing locking location cambered surface of the present invention
With reference to Fig. 1, Fig. 2 to Fig. 2-2, the present embodiment and embodiment 1 are different in that, locking curved surface 3 described in the present embodiment is provided with locking location cambered surface 33, and the face of cylinder on the surface of the apparatus 6 passed through in described locking location cambered surface 33 and described apparatus through hole 5 matches.
The cambered design that described locking location cambered surface 33 is high in both sides, center is low.
After assembling described apparatus locking switch 9, when the rotating shaft 2 rotating described apparatus locking switch 9, after the locking location cambered surface 33 of described locking curved surface 3 touches the apparatus 6 in described apparatus through hole 5, along with further rotating of described rotating shaft 2, described locking switch 9 continues the apparent motion of the described apparatus 6 of laminating along the location cambered surface 33 that locks of described locking curved surface 3.Owing to described location cambered surface 33 have employed cambered design, therefore, along with the carrying out rotated, from the end 33-1 of the arc of described location cambered surface 33 to the bottom 33-2 of arc, interference fit degree between described locking curved surface 3 and described apparatus 6 can alleviate therewith, therefore, the contact force between described apparatus locking switch 9 and described apparatus 6 can decrease.So, in use procedure, when described rotating shaft 2 rotate to described locking location cambered surface 33 contact with described apparatus 6 time, along with being rotated further of described rotating shaft 2, user may feel that the process of obvious power reduction.The design of described locking location cambered surface 33, it is possible to facilitate user to determine described locking switch 9 whether lock into place.
Embodiment 3: the perforator of the present invention
The perforator 100 of the present invention is containing the apparatus locking switch 9 described in claim 1.
With reference to Fig. 3 to Fig. 4, in the present embodiment, described perforator 100 is containing the apparatus locking switch 9 described in embodiment 1.Described perforator 100 is made up of puncturing lever 101 and sheath pipe 102, and described puncturing lever 101 is inserted in described sheath pipe 102.Apparatus locking switch 9 described in claim 1 is arranged on the housing 4 on the top of described puncturing lever 101.
The rotating shaft 2 of the apparatus locking switch 9 of described perforator 100 is arranged in rotating shaft installing hole 43, and described rotating shaft locating piece 44 is embedded in detent 21.Close up upper cover 41 and the lower cover 42 of the housing 4 of described apparatus locking switch 9, complete the assembling of described apparatus locking switch 9.The rotating shaft 2 of described apparatus locking switch 9 is placed in open position, described apparatus through hole 5 is inserted described apparatus 6, such as endoscope, rotate described rotating shaft 2, along with the edge 32 of described locking curved surface 3 is in the progressively change of axial height, progressively producing interference fit between described apparatus locking switch 9 and described apparatus 6, the active force between described apparatus locking switch 9 and described apparatus 6 also progressively changes therewith.After the rotating shaft 2 of described apparatus locking switch 9 rotates to the position of pass, described apparatus 6 is locked in described apparatus through hole 5.
Due to the apparatus locking switch 9 of the perforator of the present invention take be along axis rotate lock mode, therefore use procedure does not need additionally to reserve the space of described apparatus locking switch 9, structure is compacter, and when closing or open described apparatus locking switch 9, it is not result in moving up and down of apparatus 6.Owing to the interference fit between described apparatus locking switch 9 and described apparatus 6 is that the edge 32 by described locking curved surface 3 realizes in the progressively change of axial height, what take between described locking curved surface 3 and apparatus is the mode that contacts of face, the increase of coupling mechanism force simultaneously is also stepped up therewith, the increase of coupling mechanism force is more mild, therefore, the stress of more difficult formation work process is concentrated, safer.
It should be noted that structure disclosed and illustrated herein can replace by the structure that other effect is identical, the embodiment that the present invention introduces simultaneously not realizes the exclusive architecture of the present invention.Although the preferred embodiments of the present invention is introduced in this article and is illustrated; but it is only illustrate that those skilled in the art are clear from these embodiments; those skilled in the art can make countless change, improvement and replacements; without departing from the present invention; therefore, protection scope of the present invention should be limited according to the spirit and scope of appending claims of the present invention.
Claims (4)
1. apparatus locking switch, it is characterised in that: described apparatus locking switch (9) is containing handle (1), rotating shaft (2), locking curved surface (3), housing (4), apparatus through hole (5)；
A. described locking curved surface (3) is located at the far-end of described rotating shaft (2)；The center (31) of described locking curved surface (3) is low, and edge (32) are high, described center (31) tilt glossily to described edge (32)；Along with the rotation of described rotating shaft (2), the edge (32) of described locking curved surface (3) progressively changes at the axial height of described rotating shaft (2)；
B. described rotating shaft (2) is containing detent (21)；Described housing (4) is containing upper cover (41), lower cover (42), rotating shaft installing hole (43) and rotating shaft locating piece (44)；Described rotating shaft (2) is arranged in described rotating shaft installing hole (43), and described rotating shaft locating piece (44) is embedded in detent (21)；Described rotating shaft (2), described rotating shaft locating piece (44) are arranged on upper cover (41) and the lower cover (42) of housing (4)；
C. the centrage of described rotating shaft (2) is non-flat line with the centrage of described apparatus through hole (5)；
D. described handle (1) is located at the near-end of described rotating shaft (2), is exposed to outside housing 4.
2. apparatus locking switch according to claim 1, it is characterized in that: the face of cylinder on the surface that the edge (32) of described locking curved surface (3) is provided with in locking location cambered surface (33), described cambered surface (33) and described apparatus through hole (5) apparatus (6) passed through matches.
3. apparatus locking switch according to claim 1, it is characterised in that: the central axis of described rotating shaft (2) is in the centrage of described apparatus through hole (5).
4. perforator, it is characterised in that described perforator (100) is containing apparatus locking switch (9) described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821442.2A CN105769113B (en) | 2014-12-23 | 2014-12-23 | Apparatus locking switch and puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821442.2A CN105769113B (en) | 2014-12-23 | 2014-12-23 | Apparatus locking switch and puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105769113A true CN105769113A (en) | 2016-07-20 |
| CN105769113B CN105769113B (en) | 2017-08-29 |
Family
ID=56376939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410821442.2A Active CN105769113B (en) | 2014-12-23 | 2014-12-23 | Apparatus locking switch and puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105769113B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021057281A1 (en) * | 2019-09-24 | 2021-04-01 | 周星 | Puncture rod and trocar |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08173372A (en) * | 1994-12-22 | 1996-07-09 | Nissho Corp | Trocar |
| CN2436111Y (en) * | 2000-08-15 | 2001-06-27 | 冯延昌 | Abdominoscope safety puncture needle |
| CN1754518A (en) * | 2003-09-30 | 2006-04-05 | 伊西康内外科公司 | Inconspicuous fitting stop cock valve for trocar assembly |
| WO2007048083A2 (en) * | 2005-10-14 | 2007-04-26 | Applied Medical Resources Corporation | Surgical access port |
| CN200939162Y (en) * | 2006-01-14 | 2007-08-29 | 王水良 | Disposable puncture outfit |
| US20110004061A1 (en) * | 2005-04-12 | 2011-01-06 | Tyco Healthcare Group Lp | Optical trocar with scope holding assembly |
| CN102647951A (en) * | 2009-10-08 | 2012-08-22 | 伊西康内外科公司 | Trocar assembly |
| CN104068921A (en) * | 2014-06-26 | 2014-10-01 | 浙江天松医疗器械股份有限公司 | Puncture outfit |
| CN104083195A (en) * | 2014-07-15 | 2014-10-08 | 山东威瑞外科医用制品有限公司 | Minimally invasive puncture device |
| CN204351795U (en) * | 2014-12-23 | 2015-05-27 | 广州迪克医疗器械有限公司 | Apparatus locking switch and perforator |
-
2014
- 2014-12-23 CN CN201410821442.2A patent/CN105769113B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08173372A (en) * | 1994-12-22 | 1996-07-09 | Nissho Corp | Trocar |
| CN2436111Y (en) * | 2000-08-15 | 2001-06-27 | 冯延昌 | Abdominoscope safety puncture needle |
| CN1754518A (en) * | 2003-09-30 | 2006-04-05 | 伊西康内外科公司 | Inconspicuous fitting stop cock valve for trocar assembly |
| US20110004061A1 (en) * | 2005-04-12 | 2011-01-06 | Tyco Healthcare Group Lp | Optical trocar with scope holding assembly |
| WO2007048083A2 (en) * | 2005-10-14 | 2007-04-26 | Applied Medical Resources Corporation | Surgical access port |
| CN200939162Y (en) * | 2006-01-14 | 2007-08-29 | 王水良 | Disposable puncture outfit |
| CN102647951A (en) * | 2009-10-08 | 2012-08-22 | 伊西康内外科公司 | Trocar assembly |
| CN104068921A (en) * | 2014-06-26 | 2014-10-01 | 浙江天松医疗器械股份有限公司 | Puncture outfit |
| CN104083195A (en) * | 2014-07-15 | 2014-10-08 | 山东威瑞外科医用制品有限公司 | Minimally invasive puncture device |
| CN204351795U (en) * | 2014-12-23 | 2015-05-27 | 广州迪克医疗器械有限公司 | Apparatus locking switch and perforator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021057281A1 (en) * | 2019-09-24 | 2021-04-01 | 周星 | Puncture rod and trocar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105769113B (en) | 2017-08-29 |
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