CN217338828U

CN217338828U - Surgical instrument clamping device for orthopedic surgery robot

Info

Publication number: CN217338828U
Application number: CN202220516741.5U
Authority: CN
Inventors: 欧乙利
Original assignee: Peoples Hospital of Deyang City
Current assignee: Peoples Hospital of Deyang City
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-09-02
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses a surgical instrument clamping device for an orthopedic surgery robot, which comprises a sleeve, wherein an inner shaft sleeve for sleeving a connecting rod of a surgical instrument is fixedly arranged on the inner wall of the sleeve, a clamping cylinder is integrally formed at the end part of the sleeve, and a clamping component for clamping and fixing the connecting rod of the surgical instrument is arranged in the clamping cylinder; the clamping component comprises a rotating shaft which is connected with the clamping cylinder in a rotating mode through a bearing, one end of the rotating shaft is rotated to penetrate through the clamping cylinder to the outside and fixedly connected with a driving piece, the rotating shaft is located on the position inside the clamping cylinder, a first gear disc and a second gear disc are sequentially fixedly arranged on the position inside the clamping cylinder, and one side, away from the first gear disc and the second gear disc, of the first gear disc is connected with a first arc rack and a second arc rack in a meshed mode. The utility model discloses strengthened the stability that surgical instruments connects, can also install or dismantle surgical instruments fast, improved operation efficiency, the flexible operation has moreover reduced the input cost.

Description

Surgical instrument clamping device for orthopedic surgery robot

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a surgical instrument clamping device for an orthopedic surgery robot.

Background

With the continuous development of surgical robot technology, more and more surgical robots are available in the surgical field of clinical medicine, for example, in the field of orthopedic surgery, orthopedic surgical instruments are fixed at the tail ends of mechanical arms through surgical instrument clamping devices, so that the surgical instruments are carried at the tail ends of the mechanical arms to realize navigation, and meanwhile, the operation of doctors on the surgical instruments in the surgical process is guaranteed.

At present, when carrying out bone surgery through the bone surgery robot, need frequently to change the bone surgery apparatus of different grade type to the skeleton that hardness is higher cuts, polishes and operations such as concatenation, however, driven surgical instruments clamping device fixes surgical instruments through the bolt, can't guarantee the stability of connecting, has the installation moreover and dismantles trouble and waste time and energy shortcoming such as, leads to the operation efficiency lower, thereby can't satisfy the user demand of people in work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of inconvenient disassembly and assembly in the prior art, thereby having the defects of time and labor waste and providing a surgical instrument clamping device for an orthopaedic surgery robot.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a surgical instrument clamping device for an orthopedic surgery robot comprises a sleeve, wherein an inner shaft sleeve for sleeving a connecting rod of a surgical instrument is fixedly arranged on the inner wall of the sleeve, a clamping barrel is integrally formed at the end part of the sleeve, and a clamping assembly for clamping and fixing the connecting rod of the surgical instrument is arranged in the clamping barrel;

the clamping component comprises a rotating shaft which is connected with a clamping cylinder in a rotating mode through a bearing, one end of the rotating shaft is rotated to penetrate through the clamping cylinder to the outside and fixedly connected with a driving piece, the rotating shaft is located at the position inside the clamping cylinder, a first gear disc and a second gear disc are fixedly arranged on the position inside the clamping cylinder in sequence, one side of the first gear disc and one side of the second gear disc, which are far away from the first gear disc, are respectively meshed with a first arc rack and a second arc rack, a first arc rack and a second arc rack are fixedly connected with a transmission rod, two transmission rods are distributed in a crossed mode and rotate through the bearing at the crossed position to install a rotating shaft, and the two ends of the rotating shaft are fixedly connected with the clamping cylinder and are two clamping plates fixedly mounted on one side, which the transmission rods are close to.

Preferably, two the grip block all establishes to the arc structure, and two one sides that the grip block is close to all seted up the sawtooth line.

Preferably, the driving member is a driving motor and is fixedly mounted on the outer wall of the clamping cylinder through a mounting plate.

Preferably, the tail end of the clamping cylinder is fixedly provided with a flange seat connected with the mechanical arm.

Preferably, the inner diameter of the sleeve is smaller than the inner diameter of the clamping cylinder.

Preferably, a medical silica gel gasket is clamped in a groove at the inlet end of the inner shaft sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the clamp and decide the subassembly, rotate and make it drive pinion disc one and pinion disc two through driving piece drive axis of rotation and rotate, drive arc rack one and two synchronous motion of arc rack respectively through pinion disc one and pinion disc two, arc rack one and arc rack two are under the effect of transfer line, drive two grip blocks and do in step opposite direction or opposite movement, realize locking and the dismantlement to surgical instruments's connecting rod, not only strengthened stability, still improved operation efficiency.

2. The utility model discloses a set up medical silica gel packing ring, seal sleeve and surgical instruments connecting gap, prevent that the bacterium from getting into, reduce the disinfection number of times, reduced the input cost.

The utility model discloses a mutual cooperation between each part has strengthened the stability that surgical instruments connects, can also install or dismantle surgical instruments fast, has improved operation efficiency, flexible operation moreover, reduced the input cost, easily popularization and application.

Drawings

Fig. 1 is a schematic structural view of a surgical instrument clamping device for an orthopedic surgery robot according to the present invention;

fig. 2 is a schematic side view of a surgical instrument clamping device for an orthopaedic surgical robot according to the present invention;

fig. 3 is a schematic view of the internal structure of a clamping cylinder of a surgical instrument clamping device for an orthopaedic surgical robot according to the present invention;

fig. 4 is a schematic view of a clamping plate structure of a surgical instrument clamping device for an orthopaedic surgical robot.

In the figure: 1. a sleeve; 2. an inner sleeve; 3. a clamping cylinder; 4. a clamping assembly; 41. a rotating shaft; 42. a drive member; 43. a first gear disc; 44. a second gear disc; 45. a first arc-shaped rack; 46. an arc-shaped rack II; 47. a transmission rod; 48. a rotating shaft; 49. a clamping plate; 5. a sawtooth pattern; 6. a flange seat; 7. medical silica gel packing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a surgical instrument clamping device for an orthopedic surgery robot comprises a sleeve 1, an inner shaft sleeve 2 for sleeving a connecting rod of a surgical instrument is fixedly installed on the inner wall of the sleeve 1, a clamping cylinder 3 is installed at the end portion of the sleeve 1 in an integrated forming mode, the inner diameter of the sleeve 1 is smaller than that of the clamping cylinder 3, a clamping component 4 for clamping and fixing the connecting rod of the surgical instrument is installed inside the clamping cylinder 3, and a flange seat 6 connected with a mechanical arm is fixedly installed at the tail end of the clamping cylinder 3.

The clamping component 4 comprises a rotating shaft 41 which is rotatably connected with the clamping cylinder 3 through a bearing, one end of the rotating shaft 41 rotatably penetrates through the outside of the clamping cylinder 3 and is fixedly connected with a driving piece 42 for driving the rotating shaft 41 to rotate, a gear disc I43 and a gear disc II 44 are sequentially and fixedly sleeved on the part of the rotating shaft 41 positioned inside the clamping cylinder 3, one sides of the gear disc I43 and the gear disc II 44 far away are respectively connected with an arc rack I45 and an arc rack II 46 in a meshing manner, one ends of the arc rack I45 and the arc rack II 46 far away are both fixedly connected with transmission rods 47, the two transmission rods 47 are crossly distributed and are rotatably provided with rotating shafts 48 at the intersection through bearings, both ends of the rotating shafts 48 are both fixedly connected with the clamping cylinder 3, one sides of the two transmission rods 47 close to each are fixedly provided with a clamping plate 49, the two clamping plates 49 are both in an arc structure, and one sides of the two clamping plates 49 close to each other are provided with sawtooth grains 5, by increasing the clamping force, the stability of the surgical instrument is enhanced.

The driving part 42 is set as a driving motor and is fixedly arranged on the outer wall of the clamping cylinder 3 through a mounting plate, the driving part 42 can also be set as a driving cap, the driving rotating shaft 41 can be driven to rotate conveniently through the driving part 42, the operation is flexible and convenient, and the operation efficiency is improved.

The medical silica gel gasket 7 is clamped in the groove at the inlet end of the inner shaft sleeve 2 to seal the connecting gap between the sleeve 1 and the surgical instrument, so that bacteria are prevented from entering the connecting gap, the disinfection frequency can be reduced, and the investment cost is reduced.

When the clamping device is used, the connecting rod of the surgical instrument is inserted into the sleeve 1 until the connecting rod is inserted into the clamping cylinder 3, the driving piece 42 drives the rotating shaft 41 to rotate and drives the first gear disc 43 and the second gear disc 44 to rotate, the first gear disc 43 and the second gear disc 44 respectively drive the first arc rack 45 and the second arc rack 46 to synchronously move, the first arc rack 45 and the second arc rack 46 drive the transmission rod 47 to rotate by taking the rotating shaft 48 as a central shaft, and the two transmission rods 47 are distributed in a staggered mode, so that the two clamping plates 49 can be driven to synchronously move in opposite directions, the locking of the connecting rod of the surgical instrument is realized, the stability is enhanced, and the surgical efficiency is improved.

The utility model discloses a mutual cooperation between each part has strengthened the stability that surgical instruments and surgical robot are connected, can also install or dismantle surgical instruments fast, has improved operation efficiency, and the flexible operation is convenient moreover, has reduced the input cost, easily popularizes and applies.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The surgical instrument clamping device for the orthopedic surgical robot comprises a sleeve (1), and is characterized in that an inner shaft sleeve (2) for sleeving a connecting rod of a surgical instrument is fixedly installed on the inner wall of the sleeve (1), a clamping barrel (3) is integrally installed at the end of the sleeve (1), and a clamping assembly (4) for clamping and fixing the connecting rod of the surgical instrument is installed inside the clamping barrel (3);

the clamping component (4) comprises a rotating shaft (41) which is rotationally connected with the clamping cylinder (3) through a bearing, one end of the rotating shaft (41) is rotatably penetrated to the outside of the clamping cylinder (3) and is fixedly connected with a driving piece (42), and the part of the rotating shaft (41) positioned in the clamping cylinder (3) is fixedly sleeved with a first gear disc (43) and a second gear disc (44) in sequence, one sides of the first gear disc (43) and the second gear disc (44) far away from each other are respectively connected with a first arc-shaped rack (45) and a second arc-shaped rack (46) in a meshed manner, one ends of the first arc-shaped rack (45) and the second arc-shaped rack (46) which are far away from each other are fixedly connected with transmission rods (47), the two transmission rods (47) are distributed in a crossed manner, a rotating shaft (48) is rotatably arranged at the crossed position through a bearing, the both ends of pivot (48) all with a centre gripping section of thick bamboo (3) fixed connection, two the equal fixed mounting in one side that transfer line (47) is close to mutually has grip block (49).

2. The surgical instrument clamping device for the orthopedic surgical robot according to claim 1, characterized in that the two clamping plates (49) are both provided with arc-shaped structures, and the sides of the two clamping plates (49) close to each other are both provided with sawtooth patterns (5).

3. A surgical instrument holding device for an orthopaedic surgical robot according to claim 1, wherein the driving member (42) is provided as a driving motor and is fixedly mounted on the outer wall of the holding cylinder (3) by means of a mounting plate.

4. A surgical instrument holding device for an orthopaedic surgical robot according to claim 1, wherein a flange seat (6) connected with a robot arm is fixedly mounted to the tip of the holding cylinder (3).

5. A surgical instrument holding device for an orthopaedic surgical robot according to claim 1, wherein the inner diameter of the sleeve (1) is smaller than the inner diameter of the holding cylinder (3).

6. The surgical instrument clamping device for the orthopedic surgical robot according to claim 1, characterized in that a medical silicone gasket (7) is clamped in the groove of the inlet end of the inner shaft sleeve (2).