CN111588450A - Minimally invasive surgical instrument for obstetrics and gynecology department - Google Patents
Minimally invasive surgical instrument for obstetrics and gynecology department Download PDFInfo
- Publication number
- CN111588450A CN111588450A CN202010509252.2A CN202010509252A CN111588450A CN 111588450 A CN111588450 A CN 111588450A CN 202010509252 A CN202010509252 A CN 202010509252A CN 111588450 A CN111588450 A CN 111588450A
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- China
- Prior art keywords
- positioning plate
- bearing
- surgical instrument
- tube
- central shaft
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- Pending
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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
- A61B17/42—Gynaecological or obstetrical instruments or methods
-
- 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
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
Abstract
The invention discloses a minimally invasive surgical instrument for obstetrics and gynecology department, which comprises an operating arm and a surgical instrument positioned on the operating arm, wherein the surgical instrument comprises an operating end, a first long pipe connected with the operating end and a second long pipe detachably connected with the first long pipe, the operating end controls an instruction operating part through the first long pipe and the second long pipe, the operating arm comprises a supporting part and a moving part which can be connected with the supporting part in a sliding way in a first direction, the first direction is the axial direction of the first long pipe and the second long pipe, the operating end is fixed on the moving part, a positioning plate is arranged on the supporting part, a driving part is arranged on the positioning plate, the first long pipe penetrates through the positioning plate and can be driven by the driving part to move along the first direction so as to drive the moving part to slide relative to the supporting part, the driving part comprises a bearing, the inner ring of, the outer race of the bearing is restrained by the positioning plate such that the bearing is movable in a first direction relative to the positioning plate.
Description
Technical Field
The present invention relates to the field of surgical instruments.
Background
The surgical instrument is usually a long shaft structure to facilitate the instrument to enter the human body through a minimally invasive opening, the seat end instrument needs to provide the surgical instrument with a degree of freedom in the long shaft direction, the existing surgical instruments are provided with an operation end, and the connection modes of the operation end and the end instrument are usually two types: in the first case, the operation end can be moved along the distal end instrument in the longitudinal direction, in which case the length of the distal end instrument in the longitudinal direction always needs to be longer than L in order to make the maximum moving distance of the surgical instrument in the longitudinal direction L, in which case the length of the distal end instrument is large and flexibility in the operation is not utilized; under another condition, the tail end apparatus is provided with a plurality of units capable of moving mutually in the long axis direction, the tail end apparatus is fixed on one unit, the units capable of moving mutually can drive the units to move mutually, and then when the L needs to be moved when the long axis direction of the surgical apparatus is ensured to move upwards, the units capable of moving mutually can be contracted, so that the length of the tail end apparatus is reduced, and the operation is facilitated. However, the plurality of mutually moving components are usually driven by a motor and the like, so that the operation end of the surgical instrument is subjected to a large vibration error, and the long shaft of the surgical instrument is not stabilized.
Disclosure of Invention
The invention aims to: aiming at the problems in the prior art, the minimally invasive surgical instrument for obstetrics and gynecology department is disclosed, which comprises an operating arm and a surgical instrument positioned on the operating arm, wherein the surgical instrument comprises an operating end, a first long pipe connected with the operating end and a second long pipe detachably connected with the first long pipe, the tail end of the second long pipe is an instruction operating part, the operating end controls the instruction operating part through the first long pipe and the second long pipe, the operating arm comprises a supporting part and a moving part which can be slidably connected with the supporting part in a first direction, the first direction is the axial direction of the first long pipe and the second long pipe, the operating end is fixed on the moving part, a positioning plate is arranged on the supporting part, a driving part is arranged on the positioning plate, the first long pipe penetrates through the positioning plate and can be driven by the driving part to move along the first direction so as to drive the moving part to slide relative to the supporting part, the driving part comprises a, the outer ring of the bearing is limited by the positioning plate so that the bearing can move in a first direction relative to the positioning plate, and meanwhile, the outer ring cannot rotate around the first direction relative to the positioning plate; the outer ring of the bearing is provided with a driving plate extending along the first direction, the driving plate is provided with a tooth part extending along the first direction, the driving plate is meshed with a gear through the tooth part, the gear is driven to rotate by a motor and further drives the driving plate to move along the first direction, and the bearing and the first long pipe are further driven to move along the first direction relative to the positioning plate.
In a modification, the positioning plate is provided with three side grooves extending along the first direction, the outer ring of the bearing is provided with three side plates extending along the first direction, the side plates are inserted into the side grooves to limit the rotation of the outer ring of the bearing relative to the positioning plate, and the side plates can move in the side grooves in the first direction.
As the improvement, be equipped with the motor chamber on the locating plate, the motor is installed in the motor chamber.
As the improvement, the side of the positioning plate is provided with a protective plate.
As an improvement, the movable table is provided with a movable groove, the movable groove extends along a first direction, the movable part is provided with a movable clamping portion, and the movable clamping portion is clamped into the movable groove and can move along the first direction in the movable groove.
As an improvement, the first long tube include first pipe portion and be located the first center pin of first pipe portion inside, the second long tube includes second pipe portion and the second center pin that is located second pipe portion inside, first center pin and second center pin detachable connect and then constitute the center pin, first pipe portion and second pipe portion detachable connect and then constitute the pipe portion, the operation end passes through the center pin control and carries out the head switching, the operation end rotates the pipe portion and then control and carry out the head and rotate round first direction, first center pin on be equipped with the second concave part, be equipped with the second convex part on the second center pin, the inside rotation chamber that is equipped with of first center pin rotates chamber and concave part intercommunication, it is equipped with a screens piece to rotate the chamber, screens piece rotates round its axis of rotation, the end of screens piece is equipped with magnet, be equipped with the bayonet socket on the second convex part, be equipped with the spring in the axis of rotation so that screens piece rotates under natural state to the bayonet socket on the second convex part that inserts The shaft is fixed with the second center shaft, and when the first center shaft and the second center shaft need to be separated, a magnet is placed above the tube part, so that the clamping part can be driven to rotate, and then the clamping part can be moved out of the bayonet.
Drawings
FIG. 1 is a schematic view of a surgical instrument of the present invention;
FIG. 2 is a cross-sectional view of the alignment plate;
FIG. 3 is a drive plate schematic;
FIG. 4 is a schematic view of a first central axis;
FIG. 5 is a schematic view of the connection of the first elongated tube and the second elongated tube;
FIG. 6 is a schematic view of the connection of the second center shaft;
FIG. 7 is a schematic view of the connection of the second center shaft;
the labels in the figure are: the labels in the figure are: 100-operating arm, 110-supporting frame, 111-positioning plate, 1111-side groove, 112-movable table, 113-movable groove, 114-connecting piece, 120-movable piece, 121-movable clamping part, 130-driving piece, 131-bearing, 132-driving plate, 133-tooth part, 134-gear, 135-motor, 136-side plate, 200-surgical instrument, 210-operating end, 220-first long tube, 221-first tube part, 2211-first concave part, 222-first central shaft, 2221-second concave part, 2222-rotating cavity, 2223-clamping part, 2224-magnet, 2225-rotating shaft, 230-second long tube, 231-second tube part, 2311-first convex part, 232-second central shaft, 2321-second projection, 2322-bayonet.
Detailed Description
As shown in FIG. 1, the invention discloses a minimally invasive surgical instrument for obstetrics and gynecology department, which comprises an operation arm 100 and a surgical instrument 200 located on the operation arm, wherein the surgical instrument 200 comprises an operation end 210, a first long tube 220 connected with the operation end, and a second long tube 230 detachably connected with the first long tube, the end of the second long tube is provided with a command operation member (shown in the figure, usually, a binding clip of an applying forceps, a binding clip of an electrocoagulation forceps, the end of a surgical knife, etc.), the operation end controls the command operation member through the first long tube and the second long tube, the operation arm 100 comprises a support member 110 and a movable member 120 capable of being slidably connected with the support member in a first direction, the first direction is the axial direction of the first long tube and the second long tube, the operation end 210 is fixed on the movable member 120, the support member is provided with a positioning plate 111, the positioning plate is provided with a driving member 130, the first long tube 220 passes through the positioning plate 111 and can be driven The manipulating end of the present invention is fixedly installed on the movable member 120, and is always kept stationary with respect to the movable member 120, which can prevent the moving of the manipulating end from affecting the vibration and swing of the surgical instrument. In order to enable the movable element 120 to slide relative to the supporting element 110, in a preferred embodiment, as shown in fig. 1, a movable groove 113 is formed on the movable table 112, the movable groove extends along the first direction, a movable clamping portion 121 is formed on the movable element, and the movable clamping portion is clamped into the movable groove and can move in the movable groove along the first direction.
The first long pipe penetrates through the driving member 130, the first long pipe can be driven by the driving member 130 to move along the first direction, specifically, in a preferred embodiment, the driving member includes a bearing 131, the bearing 131 includes an inner ring and an outer ring, the inner ring of the bearing is fixedly connected to the outer side of the first long pipe so that the first long pipe penetrates through the bearing, when the bearing is driven to move in the first direction, the first long pipe can be driven to move in the first direction, the outer ring of the bearing is limited by the positioning plate 111 so that the bearing can move in the first direction relative to the positioning plate, meanwhile, the outer ring cannot rotate around the first direction relative to the positioning plate, the inner ring of the bearing can rotate relative to the positioning plate, the outer ring can only move in the first direction relative to the positioning plate, and cannot rotate the positioning plate. In order to drive the bearing to move in the first direction, a driving plate 132 extending in the first direction is provided on an outer ring of the bearing, a toothed portion 133 extending in the first direction is provided on the driving plate, the driving plate is engaged with a gear 134 through the toothed portion, the gear 134 is driven by a motor 135 to rotate, and further the driving plate is driven to move in the first direction, and further the bearing and the first long tube 220 are driven to move in the first direction relative to the positioning plate 111. So that the command operation member of the surgical instrument reaches the proper position.
In a preferred embodiment, the positioning plate is provided with three side grooves 1111 extending along the first direction, the outer ring of the bearing is provided with three side plates 136 extending along the first direction, the side plates are inserted into the side grooves to limit the rotation of the outer ring of the bearing relative to the positioning plate, the side plates can move in the first direction in the side grooves, the positioning plate 111 is provided with a motor cavity, the motor is installed in the motor cavity, and the side of the positioning plate is provided with a protection plate.
The first long pipe is fixedly connected with the positioning plate and is difficult to disassemble, so the first long pipe of the invention is fixedly arranged on the positioning plate, and a second long tube detachably connected with the first long tube is provided, as shown in fig. 4 and 5, the tube portion of the present invention includes two detachable portions, specifically, a first long tube installed on the positioning plate 111 and a second long tube installed with the execution head, the first long tube 220 comprises a first tube part 221 and a first central shaft 222 positioned in the first tube part, the second long tube 230 comprises a second tube part 231 and a second central shaft 232 positioned in the second tube part, the first central shaft 222 and the second central shaft 232 are detachably connected to form a central shaft, the first tube part 221 and the second tube part 231 are detachably connected to form a tube part, an operation end controls the opening and closing of the execution head through the central shaft, and the operation end rotates the tube part to control the execution head to rotate around the first direction.
As shown in fig. 5-7, the first central shaft 222 is provided with a second concave portion 2221, the second central shaft 232 is provided with a second convex portion 2321, the first central shaft 222 is provided with a rotation cavity 222 therein, the rotation cavity is communicated with the concave portion, the rotation cavity is provided with a locking member 2223, the locking member rotates around a rotation shaft 2225 thereof, the end of the locking member is provided with a magnet 2224, the second convex portion 2321 is provided with a bayonet 2322, the rotation shaft is provided with a spring so that the locking member rotates into the bayonet 2322 on the second convex portion inserted into the second concave portion under a natural state to fix the first central shaft and the second central shaft, and when the first central shaft and the second central shaft need to be separated, a magnet is placed above the tube portion so as to drive the locking member to rotate and move out of the bayonet. The first tube part is provided with two first recesses 2211, the second tube part 231 is provided with two first protrusions 2311 corresponding to the first recesses, and the first protrusions can be inserted into and fixed in the first recesses 2211.
The dismantlement structure of first pipe portion and second pipe portion is similar to first center pin and second center pin, it is concrete, first pipe portion inside is equipped with rotates chamber 222, it communicates with first concave part to rotate the chamber, it is equipped with a screens 2223 to rotate the chamber, screens rotates around its axis of rotation 2225, the end of screens is equipped with magnet 2224, be equipped with bayonet socket 2322 on first convex part 2311, be equipped with the spring on the axis of rotation so that the screens rotates under natural state and inserts in the bayonet socket 2322 on the first convex part in the second concave part and then fix first pipe portion and second pipe portion, when will need separate first center pin and second center pin simultaneously, a magnet has been placed above the pipe portion, will drive screens and rotate and then make it shift out from the bayonet socket.
The invention is provided with the moving part 120 and the support frame 110 which can slide mutually, wherein the long pipe passes through the positioning plate 111 on the support frame 110, the positioning plate can drive the pipe part to move along the first direction, the pipe part can move only by arranging the driving device on the moving part 120, and further the vibration on the operation end is smaller, so that the operation is more stable, meanwhile, the invention divides the pipe part into two sections which can be conveniently disassembled, the second long pipe 230 can be automatically fixed only by inserting the first long pipe 220 when in use, the first long pipe 230 and the second long pipe 230 can be separated by putting a magnet on the upper surface when in disassembly, the separation time is fast, and the time for replacing instruments can be reduced in the operation of clinical operation.
Claims (6)
1. A minimally invasive surgical instrument for obstetrics and gynecology department is characterized by comprising an operating arm (100) and a surgical instrument (200) positioned on the operating arm, wherein the surgical instrument (200) comprises an operating end (210), a first long tube (220) connected with the operating end, and a second long tube (230) detachably connected with the first long tube, the tail end of the second long tube is provided with an instruction operating part, the operating end controls the instruction operating part through the first long tube and the second long tube, the operating arm (100) comprises a support member (110) and a movable member (120) capable of being slidably connected with the support member in a first direction, the first direction is the axial direction of the first long tube and the second long tube, the operating end (210) is fixed on the movable member (120), the support member is provided with a positioning plate (111), the positioning plate is provided with a driving member (130), the first long tube (220) penetrates through the positioning plate (111) and can be driven by the driving member to move along the first direction so as to drive, the driving piece comprises a bearing (131), the inner ring of the bearing is fixedly connected with the outer side of the first long pipe, so that the first long pipe penetrates through the bearing, the outer ring of the bearing is limited by a positioning plate (111) so that the bearing can move in a first direction relative to the positioning plate, and meanwhile, the outer ring cannot rotate around the first direction relative to the positioning plate; the outer ring of the bearing is provided with a driving plate (132) extending along the first direction, the driving plate is provided with a tooth part (133) extending along the first direction, the driving plate is meshed with a gear (134) through the tooth part, the gear (134) is driven by a motor (135) to rotate, the driving plate is further driven to move along the first direction, and the bearing and the first long pipe (220) are further driven to move along the first direction relative to the positioning plate (111).
2. The minimally invasive surgical instrument for obstetrics and gynecology department according to claim 1, wherein the positioning plate is provided with three side grooves (1111) extending along the first direction, the outer ring of the bearing is provided with three side plates (136) extending along the first direction, the side plates are inserted into the side grooves to limit the rotation of the outer ring of the bearing relative to the positioning plate, and the side plates can move in the side grooves in the first direction.
3. The minimally invasive surgical instrument of the obstetrics and gynecology department of claim 2, characterized in that the positioning plate (111) is provided with a motor cavity, and the motor is arranged in the motor cavity.
4. The minimally invasive surgical instrument for obstetrics and gynecology department according to claim 3, wherein the side surface of the positioning plate is provided with a protection plate.
5. The minimally invasive surgical instrument for obstetrics and gynecology department according to claim 4, characterized in that the movable table (112) is provided with a movable groove (113) extending along the first direction, the movable member is provided with a movable clamping portion (121) clamped in the movable groove and capable of moving along the first direction in the movable groove.
6. An obstetric and gynecologic minimally invasive surgical instrument according to any one of claims 1 to 5, wherein the first long tube (220) comprises a first tube part (221) and a first central shaft (222) located inside the first tube part, the second long tube (230) comprises a second tube part (231) and a second central shaft (232) located inside the second tube part, the first central shaft (222) and the second central shaft (232) are detachably connected to form the central shaft, the first tube part (221) and the second tube part (231) are detachably connected to form the tube part, the operating end controls the opening and closing of the actuating head through the central shaft, the operating end rotates the tube part to control the actuating head to rotate around the first direction, the first central shaft (222) is provided with a second concave part (2221), the second central shaft (232) is provided with a second convex part (2321), the first central shaft (222) is provided with a rotating cavity (222), rotate chamber and concave part intercommunication, it is equipped with one screens piece (2223) to rotate the chamber, the screens piece rotates round its axis of rotation (2225), the end of screens piece is equipped with magnet (2224), be equipped with bayonet socket (2322) on second convex part (2321), be equipped with the spring in the axis of rotation so that the screens piece rotates in bayonet socket (2322) on the second convex part of inserting in the second concave part under natural state and then fix first center pin and second center pin, when will need to separate first center pin and second center pin simultaneously, a magnet has been placed to the pipe portion top, will drive the screens piece and rotate and then make it shift out from the bayonet socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509252.2A CN111588450A (en) | 2020-06-07 | 2020-06-07 | Minimally invasive surgical instrument for obstetrics and gynecology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509252.2A CN111588450A (en) | 2020-06-07 | 2020-06-07 | Minimally invasive surgical instrument for obstetrics and gynecology department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111588450A true CN111588450A (en) | 2020-08-28 |
Family
ID=72179991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010509252.2A Pending CN111588450A (en) | 2020-06-07 | 2020-06-07 | Minimally invasive surgical instrument for obstetrics and gynecology department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111588450A (en) |
-
2020
- 2020-06-07 CN CN202010509252.2A patent/CN111588450A/en active Pending
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