CN113855172A - Handle locking assembly of split type minimally invasive instrument - Google Patents
Handle locking assembly of split type minimally invasive instrument Download PDFInfo
- Publication number
- CN113855172A CN113855172A CN202111352986.5A CN202111352986A CN113855172A CN 113855172 A CN113855172 A CN 113855172A CN 202111352986 A CN202111352986 A CN 202111352986A CN 113855172 A CN113855172 A CN 113855172A
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- CN
- China
- Prior art keywords
- handle
- sleeve
- fixed
- minimally invasive
- tooth
- 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.)
- Granted
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
-
- 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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
Abstract
The invention relates to a handle locking component of a split type minimally invasive instrument, which comprises a first handle and a second handle, the first handle and the second handle are hinged through a round shaft, an arc-shaped transmission part is fixed on the first handle, the second handle is provided with a cross shaft, gears are fixed at two ends of the cross shaft and are arranged in the transmission part, the side surface of the middle position of the cross shaft is provided with a brake ring which is movably arranged inside the second handle, the brake ring is contacted with the cross shaft by pressing the position locking button, after the locking button is loosened, the spring is reset, at the moment, the adjusting teeth rotate in the adjusting sleeve and can not be completely reset, and in an extension state, the transverse shaft is pressed through the brake ring, and then the cross shaft is in a fixed state, so that the gear is limited and cannot rotate, and the aim of controlling the angle of the first handle and the angle of the second handle to be fixed is fulfilled.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a handle locking assembly of a split minimally invasive instrument.
Background
The surgical instruments refer to medical instruments used in clinical operations, and besides conventional surgical instruments, there are some specialized instruments: orthopedics, urology, gynecology, burn, orthopedics, brain surgery, cardiothoracic surgery, general surgery, and the like.
Contain split type apparatus among the surgical instruments, through the mode of equipment, adopt unified control handle equipment unidimensional operating head, assemble fixed back, utilize handle control operating head to open and shut, utilize two sets of handles of locking position subassembly control to inject, control operating head opens the angle.
The prior handle capture assembly has the following defects: the unfolding angles of the main and auxiliary handles can not be conveniently controlled, so that the unfolding angles of the two handles are fixed.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a handle locking assembly of a split minimally invasive instrument.
The technical scheme for solving the technical problems is as follows: the utility model provides a handle portion of split type utmost point minimal access instrument is locked and is positioned subassembly, includes first handle and second handle, first handle with it is articulated through the circle axle between the second handle, be fixed with the driving medium of arc form on the first handle, install the cross axle on the second handle, the both ends of cross axle are fixed with the gear, the gear is installed the inside of driving medium, the intermediate position side of cross axle is provided with the brake ring, brake ring movable mounting be in the inside of second handle.
Preferably, the handle locking assembly of the split minimally invasive instrument is characterized in that the middle of the transmission member is hollow, a plurality of groups of tooth grooves are formed in one side of the inner wall of the transmission member at equal angles, and the tooth grooves are in meshing connection with the gears.
Preferably, the handle locking assembly of the split minimally invasive instrument is characterized in that two groups of bearings are fixed on the second handle, two ends of the transverse shaft are fixedly installed in the bearings, and an integrated structure is formed between the transverse shaft and the gear.
Preferably, foretell stalk portion lock position subassembly of split type minimal access instrument, wherein the inside of second handle is fixed with the adjusting collar, second handle side movable mounting has lock position button, the one end of lock position button is fixed with the regulation tooth, it installs to adjust the tooth the inside of adjusting collar is kept away from lock position button the one end of adjusting the tooth is connected with the connecting axle sleeve, the through-hole has been seted up to the inside of connecting axle sleeve, the inside movable mounting of connecting axle sleeve has the connecting axle, the one end of connecting axle is fixed with the brake ring, the connecting axle sleeve with be provided with the spring between the brake ring.
Preferably, the handle locking assembly of the split minimally invasive instrument is characterized in that the second handle and the adjusting sleeve are of an integral structure, the adjusting sleeve and the adjusting teeth form a telescopic rotating structure, and the rotating angle of the adjusting teeth is 90 ° each time.
Preferably, the handle locking assembly of the split minimally invasive instrument is characterized in that the connecting shaft sleeve is of a middle-shaped cross section, and the connecting shaft sleeve and the spring form a detachable structure.
Preferably, foretell handle portion of split type utmost point minimal access instrument is locked and is located the subassembly, wherein the outside dimension of connecting axle with the inside dimension of through-hole is the same, the connecting axle with constitute sliding construction between the connecting axle sleeve, the connecting axle with formula structure as an organic whole between the brake ring, the inboard size of brake ring is the same with the outside size of cross axle.
The invention has the beneficial effects that: through pressing the lock position button, make the regulation tooth that lock position button one end set up remove inside the adjusting collar, spring compression this moment, and braking ring and connecting axle contact, after loosening the lock position button, the spring resets, at this moment, adjust the tooth and advance the rotation and can not reset completely in the adjusting collar is inside, be in the extension state, press the connecting axle through promoting the braking ring that connecting axle sleeve messenger connecting axle one end is fixed, and then make the connecting axle be in the stationary state, thereby make the gear injectd and can not rotate, reach the purpose of controlling both angle fixings of first handle and second handle.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic structural view of the two sets of handles of the present invention in a locked state;
fig. 4 is a schematic diagram of an explosive structure of the bouncing assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a first handle; 2. a transmission member; 3. a tooth socket; 4. a second handle; 5. a bearing; 6. a horizontal axis; 7. A gear; 8. an adjusting sleeve; 9. a locking button; 10. adjusting teeth; 11. a connecting shaft; 12. a spring; 13. Connecting the shaft sleeve; 14. a through hole; 15. and a brake ring.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, 2, 3 and 4, the handle locking component of the split minimally invasive instrument comprises a first handle 1 and a second handle 4, wherein the first handle 1 and the second handle 4 are hinged through a circular shaft, an arc-shaped transmission part 2 is fixed on the first handle 1, a transverse shaft 6 is installed on the second handle 4, gears 7 are fixed at two ends of the transverse shaft 6, the gears 7 are installed in the transmission part 2, a brake ring 15 is arranged on the side surface of the middle position of the transverse shaft 6, and the brake ring 15 is movably installed in the second handle 4.
As shown in fig. 2: the middle part of the transmission part 2 is hollow, a plurality of groups of tooth grooves 3 are formed in one side of the inner wall of the transmission part 2 at equal angles, and the tooth grooves 3 are in meshed connection with the gear 7. Through the intermediate position fretwork with driving medium 2, then connect the meshing through seting up tooth's socket 3 and gear 7 of driving medium 2 inner wall one side and connect, make driving medium 2 when rotating, drive gear 7 rotates, can be fixed through control gear 7, and then make driving medium 2 position inject, can not remove.
As shown in fig. 2: two groups of bearings 5 are fixed on the second handle 4, two ends of a transverse shaft 6 are fixedly arranged in the bearings 5, and the transverse shaft 6 and a gear 7 are of an integrated structure. The bearing 5 is fixed on the second handle 4, the bearing 5 limits the position of the transverse shaft 6, the transverse shaft 6 can not be influenced to rotate, the integral structure design of the transverse shaft 6 and the gear 7 can drive the transverse shaft 6 to rotate by rotating the gear 7, and conversely, the transverse shaft 6 is limited to rotate, so that the gear 7 can rotate.
As shown in fig. 3 and 4: the inside of second handle 4 is fixed with adjusting collar 8, 4 side movable mounting of second handle has lock button 9, the one end of lock button 9 is fixed with adjusts the tooth 10, adjust the tooth 10 and install the inside at adjusting collar 8, the one end of keeping away from lock button 9's regulation tooth 10 is connected with connecting axle sleeve 13, through-hole 14 has been seted up to connecting axle sleeve 13's inside, connecting axle sleeve 13's inside movable mounting has connecting axle 11, the one end of connecting axle 11 is fixed with brake ring 15, be provided with spring 12 between connecting axle sleeve 13 and the brake ring 15. Through fixing adjusting sleeve 8 in the inside of second handle 4, utilize adjusting sleeve 8 to inject the regulation tooth 10 that position locking button 9 one end set up, utilize position locking button 9 and connecting sleeve 13 to assemble, connect connecting sleeve 13 and connecting axle 11 through-hole 14, promote position locking button 9, can realize the removal to connecting axle 11, thereby make connecting axle 11 one end fixed brake ring 15 remove, make brake ring 15 inject cross axle 6, make cross axle 6 can not take place to rotate.
As shown in fig. 3 and 4: the second handle 4 and the adjusting sleeve 8 are integrated, the adjusting sleeve 8 and the adjusting teeth 10 form a telescopic rotating structure, and the rotating angle of the adjusting teeth 10 is 90 degrees each time. Promote through locking position button 9, adjust tooth 10 and remove in adjusting 8 insides of cover this moment, and after locking position button 9 loosens, spring 12 resets the back, can promote connecting sleeve 13 reverse movement, and then make the regulation tooth 10 that connecting sleeve 13 one end is connected under the cooperation of adjusting sleeve 8, make and adjust tooth 10 and carry out 90 rotations, and the inner structure design of adjusting sleeve 8, make and adjust tooth 10 and can not reset to original position, let the one end of adjusting tooth 10 prescribe a limit to the other end of adjusting sleeve 8, the connecting axle 11 position that makes the setting of 10 one end of regulation tooth is prescribed a limit to after removing.
As shown in fig. 4: the cross section of the connecting shaft sleeve 13 is of a 'middle' structure, and the connecting shaft sleeve 13 and the spring 12 form a detachable structure. The structural design of the connecting shaft sleeve 13 enables the spring 12 to be detached from the connecting shaft sleeve 13 when one end of the connecting shaft sleeve 13 is used for mounting the spring 12, and the spring 12 is compressed while one end of the spring 12 cannot be moved out of the other end of the connecting shaft sleeve 13, so that the spring 12 is convenient to reset, and the brake ring 15 arranged on the other side of the spring 12 is reversely pushed.
As shown in fig. 3 and 4: the external dimension of the connecting shaft 11 is the same as the internal dimension of the through hole 14, a sliding structure is formed between the connecting shaft 11 and the connecting shaft sleeve 13, the connecting shaft 11 and the brake ring 15 are of an integrated structure, and the inner dimension of the brake ring 15 is the same as the outer dimension of the transverse shaft 6. The connecting shaft 11 is mounted on the connecting shaft sleeve 13 through the through hole 14, when the connecting shaft sleeve 13 is pushed, after the brake ring 15 is contacted with the transverse shaft 6, the connecting shaft 11 can move inside the connecting shaft sleeve 13 at the moment, the spring 12 is compressed, the brake ring 15 is attached to the transverse shaft 6, the transverse shaft 6 is limited, the angle of the transverse shaft 6 is limited, the transverse shaft cannot rotate, the control gear 7 and the transmission piece 2 cannot move, and the purpose of controlling the angle fixation of the first handle 1 and the second handle 4 is achieved to the maximum extent.
The working principle is as follows: the first handle 1 is connected with the second handle 4 by a circular shaft, the first handle 1 is rotated by pressing the first handle 1, an operating rod (not shown in the figure) connected with one end of the first handle 1 and one end of the second handle 4 is unfolded, the transmission piece 2 arranged on the first handle 1 can be synchronously rotated by rotating the first handle 1, the gear 7 is driven to rotate by the tooth space 3, the transverse shaft 6 is fixed between the two groups of gears 7 to rotate in the bearing 5, when the unfolding angle of the first handle 1 and the second handle 4 is required to be controlled, the adjusting teeth 10 arranged at one end of the locking button 9 move in the adjusting sleeve 8 by pressing the locking button 9, the spring 12 is compressed at the moment, the brake ring 15 is in contact with the transverse shaft 6, the spring 12 resets after the locking button 9 is released, at the moment, the adjusting teeth 10 rotate by 90 degrees in the adjusting sleeve 8 and cannot completely reset, in the extended state, the brake ring 15 which fixes one end of the connecting shaft 11 by pushing the connecting shaft sleeve 13 presses the cross shaft 6, so that the cross shaft 6 is in the fixed state, the gear 7 is limited and cannot rotate, and the purpose of controlling the angle fixing of the first handle 1 and the second handle 4 is achieved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The utility model provides a handle portion capture subassembly of split type utmost point minimal access instrument, includes first handle (1) and second handle (4), its characterized in that: first handle (1) with it is articulated through the axle between second handle (4), be fixed with driving medium (2) of arc form on first handle (1), install cross axle (6) on second handle (4), the both ends of cross axle (6) are fixed with gear (7), gear (7) are installed the inside of driving medium (2), the intermediate position side of cross axle (6) is provided with braking ring (15), braking ring (15) movable mounting be in the inside of second handle (4).
2. The handle capture assembly of a split minimally invasive instrument of claim 1, wherein: the middle part of the transmission part (2) is hollow, a plurality of groups of tooth grooves (3) are formed in one side of the inner wall of the transmission part (2) at equal angles, and the tooth grooves (3) are connected with the gears (7) in a meshed mode.
3. The handle capture assembly of a split minimally invasive instrument of claim 1, wherein: two groups of bearings (5) are fixed on the second handle (4), two ends of the transverse shaft (6) are fixedly arranged in the bearings (5), and the transverse shaft (6) and the gear (7) are of an integrated structure.
4. The handle capture assembly of a split minimally invasive instrument of claim 1, wherein: the inside of second handle (4) is fixed with adjusting collar (8), second handle (4) side movable mounting has lock position button (9), the one end of lock position button (9) is fixed with adjusts tooth (10), it installs to adjust tooth (10) the inside of adjusting collar (8), keeps away from lock position button (9) the one end of adjusting tooth (10) is connected with connecting sleeve (13), through-hole (14) have been seted up to the inside of connecting sleeve (13), the inside movable mounting of connecting sleeve (13) has connecting axle (11), the one end of connecting axle (11) is fixed with braking ring (15), connecting sleeve (13) with be provided with spring (12) between braking ring (15).
5. The handle capture assembly of a split minimally invasive instrument of claim 4, wherein: the second handle (4) with formula structure as an organic whole between adjusting sleeve (8), adjusting sleeve (8) with adjust tooth (10) and constitute flexible revolution mechanic, the rotation angle of adjusting tooth (10) is 90.
6. The handle capture assembly of a split minimally invasive instrument of claim 4, wherein: the cross section of the connecting shaft sleeve (13) is of a 'middle' structure, and the connecting shaft sleeve (13) and the spring (12) form a detachable structure.
7. The handle capture assembly of a split minimally invasive instrument of claim 4, wherein: the outside size of connecting axle (11) with the inside size of through-hole (14) is the same, connecting axle (11) with constitute sliding construction between connecting axle sleeve (13), connecting axle (11) with formula structure as an organic whole between brake ring (15), the inboard size of brake ring (15) is the same with the outside size of cross axle (6).
Priority Applications (1)
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CN202111352986.5A CN113855172B (en) | 2021-11-15 | 2021-11-15 | Handle locking assembly of split type minimally invasive instrument |
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CN202111352986.5A CN113855172B (en) | 2021-11-15 | 2021-11-15 | Handle locking assembly of split type minimally invasive instrument |
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CN113855172A true CN113855172A (en) | 2021-12-31 |
CN113855172B CN113855172B (en) | 2023-03-28 |
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Citations (12)
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US6117158A (en) * | 1999-07-07 | 2000-09-12 | Ethicon Endo-Surgery, Inc. | Ratchet release mechanism for hand held instruments |
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DE102013006918A1 (en) * | 2013-04-20 | 2014-10-23 | Martin Storz | Operating handle with locking mechanism for surgical shaft instruments |
CN104783844A (en) * | 2015-01-22 | 2015-07-22 | 天津手智医疗科技有限责任公司 | Intelligent minimally-invasive surgery instrument |
EP2926746A1 (en) * | 2014-04-01 | 2015-10-07 | Medicon Eg Chirurgiemechaniker-Genossenschaft | Surgical instrument |
DE102016117052A1 (en) * | 2016-09-12 | 2018-03-15 | Olympus Winter & Ibe Gmbh | Surgical hand instrument and handle with locking device |
CN108814681A (en) * | 2018-04-23 | 2018-11-16 | 湖南瀚德微创医疗科技有限公司 | It is a kind of can unidirectional locking operation wrench structure |
EP3527150A1 (en) * | 2018-02-15 | 2019-08-21 | University of Dundee | Medical instrument |
CN111297426A (en) * | 2020-02-11 | 2020-06-19 | 淮安市第一人民医院 | Pouch forceps for single-port laparoscope |
CN213249521U (en) * | 2020-06-28 | 2021-05-25 | 微氪医疗器械南通有限公司 | Novel locking and unlocking device of minimally invasive handheld instrument |
CN113397654A (en) * | 2021-05-06 | 2021-09-17 | 武汉联影智融医疗科技有限公司 | Synchronous locking structure, minimally invasive surgical instrument and control method of minimally invasive surgical instrument |
-
2021
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Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US6117158A (en) * | 1999-07-07 | 2000-09-12 | Ethicon Endo-Surgery, Inc. | Ratchet release mechanism for hand held instruments |
US20060074428A1 (en) * | 2004-10-06 | 2006-04-06 | Ralph James D | Adjustable angle pawl handle for surgical instruments |
DE102013006918A1 (en) * | 2013-04-20 | 2014-10-23 | Martin Storz | Operating handle with locking mechanism for surgical shaft instruments |
CN203390768U (en) * | 2013-08-19 | 2014-01-15 | 绍兴恒力工具有限公司 | Pliers capable of fixing jaw size |
EP2926746A1 (en) * | 2014-04-01 | 2015-10-07 | Medicon Eg Chirurgiemechaniker-Genossenschaft | Surgical instrument |
CN104783844A (en) * | 2015-01-22 | 2015-07-22 | 天津手智医疗科技有限责任公司 | Intelligent minimally-invasive surgery instrument |
DE102016117052A1 (en) * | 2016-09-12 | 2018-03-15 | Olympus Winter & Ibe Gmbh | Surgical hand instrument and handle with locking device |
EP3527150A1 (en) * | 2018-02-15 | 2019-08-21 | University of Dundee | Medical instrument |
CN108814681A (en) * | 2018-04-23 | 2018-11-16 | 湖南瀚德微创医疗科技有限公司 | It is a kind of can unidirectional locking operation wrench structure |
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CN111297426A (en) * | 2020-02-11 | 2020-06-19 | 淮安市第一人民医院 | Pouch forceps for single-port laparoscope |
CN213249521U (en) * | 2020-06-28 | 2021-05-25 | 微氪医疗器械南通有限公司 | Novel locking and unlocking device of minimally invasive handheld instrument |
CN113397654A (en) * | 2021-05-06 | 2021-09-17 | 武汉联影智融医疗科技有限公司 | Synchronous locking structure, minimally invasive surgical instrument and control method of minimally invasive surgical instrument |
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Address after: No. 2, 3rd Floor, Building 13, Zone B, No. 818, Gaoxin Avenue, East Lake New Technology Development Zone, Wuhan City, Hubei Province, 430000 (Wuhan Area of Free Trade Zone) Applicant after: Interm (Wuhan) Medical Technology Co., Ltd. Address before: No.2, 3rd floor, building 13, area B, 818 Gaoxin Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Applicant before: YINGTEMU (WUHAN) MEDICAL TECHNOLOGY CO.,LTD. |
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