CN219742810U - Surgical instrument and surgical optical navigation system - Google Patents

Abstract

The utility model provides a surgical instrument and a surgical optical navigation system, which comprises an instrument body, an optical calibration part and a connecting part for connecting the instrument body and the optical calibration part, wherein the connecting part comprises a clamping groove fixedly sleeved outside the instrument body and a sleeve pipe connected with the optical calibration part and movably sleeved outside the instrument body, a rotating plate with a first end and a second end is rotatably arranged in a through hole of the sleeve pipe, the first end of the rotating plate is provided with a clamping piece clamped with the clamping groove, the second end of the rotating plate is pressed, and the first end of the rotating plate is tilted and is separated from the clamping groove with the clamping piece so that the optical calibration part can rotate relative to the instrument body to change the angle; according to the utility model, the angle of the optical calibration part relative to the appliance body can be adjusted by light operation of the connecting part, so that the use process of the device is more convenient, and the operation risk is reduced.

Description

Surgical instrument and surgical optical navigation system

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a surgical instrument and a surgical optical navigation system.

Background

Most of the internal fixation operations of the spine are performed through pedicles, and the conventional open-circuit cone and open-circuit device are used completely by virtue of experience of operators, have no digitization and visualization, and have the advantages of high operation difficulty, high risk and multiple perspective times for patients. Therefore, the spine operation using the conventional open cone and open device has various risks of injuring spinal cord, nerve roots, loosening nail tracts and the like, and has serious consequences. To avoid the above problems, a tracking device is provided on an open cone or an open circuit device in the prior art to track the operation path of the surgical tool during the operation. However, in the prior art, the tracking device is connected to the open-circuit cone or the open-circuit device by using a screw, so that when the tracking device is adjusted in angle relative to the open-circuit cone or the open-circuit device after being installed, the tracking device is inconvenient, and therefore, a device capable of quickly adjusting the angle of the tracking device relative to the open-circuit cone or the open-circuit device during an operation is needed.

Disclosure of Invention

The utility model aims to provide a surgical instrument and a surgical optical navigation system, which can realize the adjustment of the angle of an optical calibration part relative to an instrument body through the light operation of a connecting part, so that the use process of the device is more convenient and easy to operate, and the surgical risk is reduced.

In order to achieve the above object, the present utility model provides a surgical instrument, including an instrument body, an optical calibration portion, and a connection portion for connecting the instrument body and the optical calibration portion, where the connection portion includes a clamping slot fixedly sleeved outside the instrument body, and a sleeve pipe connected with the optical calibration portion and movably sleeved outside the instrument body, a rotating plate having a first end and a second end is rotatably disposed in a through hole of the sleeve pipe, the first end of the rotating plate is provided with a clamping member clamped with the clamping slot, and the second end of the rotating plate is pressed, and the first end of the rotating plate is tilted and separated from the clamping slot with the clamping member, so that the optical calibration portion can rotate relative to the instrument body to change an angle.

Optionally, the rotary device further comprises a rotary piece, wherein the rotary piece comprises a rotary hole formed in the sleeve pipe and a rotary pin fixedly inserted into the rotary plate, and the rotary pin is rotatably inserted into the rotary hole so that the rotary plate can rotate in the through hole by taking the rotary pin as a center.

Optionally, the through hole includes a groove provided on the ferrule, and a communication hole provided on a bottom wall of the groove, wherein a hole cavity size of the communication hole occupies half of the bottom wall of the groove, and the communication hole is provided near the first end of the rotating plate.

Optionally, the optical calibration device further comprises a supporting piece, one end of the supporting piece is fixedly connected to the bottom wall of the groove, the other end of the supporting piece is fixedly connected to the second end of the rotating plate, the second end of the rotating plate is loosened, the supporting piece pushes the rotating plate to reset, and the first end of the rotating plate falls back and brings the clamping piece into the clamping groove, so that the optical calibration portion is fixed relative to the device body.

Optionally, the support member is a support spring or an elastic rod.

Optionally, the clamping groove comprises a limiting disc matched with the sleeve pipe and sleeved outside the tool body, and a clamping disc connected with the limiting disc, wherein the clamping disc is sleeved outside the tool body, and a plurality of groove cavities are formed in the circumference of the clamping disc.

Optionally, when the number of the groove cavities is one, the groove cavities are in a ring structure, or when the number of the groove cavities is at least two, two adjacent groove cavities are separately arranged.

Optionally, the clamping piece is a clamping rod, and one end of the clamping rod, which is far away from the rotating plate, is arranged to be an arc-shaped structure matched with the bottom wall of the groove cavity.

Optionally, the optical calibration portion includes the reflection of light ball, and is used for the support frame that the reflection of light ball is connected, the support frame is kept away from one side of reflection of light ball is connected with the one end of bracing piece, the other end of bracing piece with the ferrule is connected.

In order to achieve the above object, the present utility model further provides an optical navigation system for surgery, which comprises an optical detection device and the surgical instrument, wherein the surgical instrument comprises an instrument body and an optical calibration part connected with the instrument body, and the optical detection device tracks the running path of the instrument body according to the optical calibration part during surgery.

The beneficial effects of the utility model are as follows:

the device body and the optical calibration part are connected through the connecting part, the structural design of the connecting part is reasonable, the angle of the optical calibration part relative to the device body can be adjusted through light operation, specifically, the second end of the rotating plate is lightly pressed, the first end of the rotating plate is tilted and is separated from the clamping groove with the clamping piece, and at the moment, the angle of the optical calibration part relative to the device body can be changed by rotating the optical calibration part.

Drawings

FIG. 1 is a schematic perspective view of a clamping member and a clamping groove according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the clamping member and the clamping groove according to the present utility model;

FIG. 3 is a schematic view of a rotary member according to the present utility model;

FIG. 4 is a schematic illustration of the construction of a ferrule of the present utility model;

FIG. 5 is a schematic view of a structure of a clamping groove according to the present utility model;

FIG. 6 is a schematic structural diagram of an embodiment of the present utility model in which at least two grooves are provided on the chuck.

Reference numerals

1. An appliance body;

2. an optical calibration section; 21. a reflective ball; 22. a support frame; 23. a support rod;

3. a connection part; 31. a clamping groove; 311. a limiting disc; 312. a clamping disc; 313. a slot cavity; 32. a ferrule; 33. a through hole; 331. a groove; 332. a communication hole; 34. a rotating plate; 341. a first end; 342. a second end; 35. a rotating member; 351. a rotation hole; 352. a rotation pin; 36. a support; 37. a clamping piece; 4. an optical detection device.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. Unless otherwise defined, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. As used herein, the word "comprising" and the like means that elements or items preceding the word are included in the word, and equivalents thereof may be found in the elements or items listed thereafter without excluding other elements or items.

In view of the problems with the prior art, embodiments of the present utility model provide a surgical instrument. FIG. 1 is a schematic perspective view of a clamping member and a clamping groove according to the present utility model; fig. 2 is a schematic cross-sectional structure of the clamping member and the clamping groove according to the present utility model. Referring to fig. 1 and 2, the surgical instrument includes an instrument body 1 and an optical calibration portion 2, and a connection portion 3 for connecting the instrument body 1 and the optical calibration portion 2, and preferably, the instrument body 1 may be an open cone or an open circuit device. The connecting portion 3 includes a clamping groove 31 fixedly sleeved outside the device body 1, and a sleeve pipe 32 connected with the optical calibration portion 2 and movably sleeved outside the device body 1, a rotating plate 34 having a first end 341 and a second end 342 (which can be understood as a right end and a left end) is rotatably disposed in a through hole 33 of the sleeve pipe 32, the first end 341 of the rotating plate 34 is provided with a clamping piece 37 clamped with the clamping groove 31, wherein the second end 342 of the rotating plate 34 is pressed, and the first end 341 of the rotating plate 34 is tilted and is separated from the clamping groove 31 with the clamping piece 37, so that the optical calibration portion 2 can rotate relative to the device body 1 to change the angle.

When the optical calibration device is used, the device body 1 with proper specification is selected, the optical calibration part 2 and the device body 1 are installed through the connecting part 3, when the angle between the device body 1 and the optical calibration part 2 is not required to be adjusted, the clamping piece 37 is positioned in the clamping groove 31, and the device body 1 and the optical calibration part 2 are relatively fixed due to the clamping effect. When the relative angle between the tool body 1 and the optical calibration portion 2 needs to be changed, the second end 342 (i.e., the left end in fig. 1) of the rotating plate 34 is pressed downward, the first end 341 of the rotating plate 34 is tilted upward, and the clamping piece 37 moves out of the clamping groove 31, so as to lose the clamping effect, at this time, the ferrule 32 may be rotated, so that the ferrule 32 is rotated relative to the tool body 1 with the optical calibration portion 2, thereby changing the angle.

It should be noted that the structural design of the connection portion 3 in this embodiment is reasonable, that is, after the clamping member 37 moves out of the clamping groove 31, the ferrule 32 is pulled to the left, so that the optical calibration portion 2 and the apparatus body 1 can be disassembled.

Preferably, the surgical instrument is used in conjunction with an optical detection device 4. Specifically, the optical calibration portion 2 includes a reflective ball 21, and a support 22 for connecting the reflective ball 21, wherein one side of the support 22 away from the reflective ball 21 is connected with one end of a support rod 23, and the other end of the support rod 23 is connected with the ferrule 32. In use, the reflective ball 21 may be captured by the optical detection device 4, so that the real-time travel path of the appliance body 1 is tracked by the reflective ball 21.

In one embodiment, the surgical instrument further comprises a rotating member 35, wherein the rotating member 35 comprises a rotating hole 351 formed on the sleeve pipe 32, and a rotating pin 352 fixedly inserted on the rotating plate 34, wherein the rotating pin 352 is rotatably inserted in the rotating hole 351, so that the rotating plate 34 can rotate in the through hole 33 with the rotating pin 352 as a center, as shown in fig. 3. The rotary member 35 is provided to rotate the rotary plate 34 in the through hole 33. Of course, in other embodiments, the rotating member 35 may be a rotating shaft.

In one embodiment, the through hole 33 includes a recess 331 formed in the ferrule 32 and a communication hole 332 formed in a bottom wall of the recess 331, wherein the hole 332 has a cavity size that occupies half of the bottom wall of the recess 331, and the communication hole 332 is disposed proximate to the first end 341 of the rotating plate 34, as shown in fig. 4. The through hole 33 adopts the combination of the groove 331 and the communication hole 332, so that the bottom wall of the groove 331 forms a bearing, which provides a supporting point for the installation of the subsequent support 36, and simultaneously, the clamping piece 37 can move inwards or outwards of the clamping groove 31 through the communication hole 332.

In one embodiment, the surgical instrument further comprises a support member 36, one end of the support member 36 is fixedly connected to the bottom wall of the recess 331, the other end of the support member 36 is fixedly connected to the second end 342 of the rotating plate 34, wherein the second end 342 of the rotating plate 34 is loosened, the support member 36 pushes the rotating plate 34 to reset, and the first end 341 of the rotating plate 34 falls back and carries the clamping member 37 into the clamping groove 31, so that the optical calibration part 2 is fixed relative to the instrument body 1, as shown in fig. 2, specifically, a contact point between the clamping member 37 and the clamping groove 31 has a friction force, and the optical calibration part 2 is fixed relative to the instrument body 1 by the friction force. The supporting member 36 is configured to form an interference effect from the second end 342 of the rotating plate 34, specifically, when no pressing force is provided to the second end 342 of the rotating plate 34, the supporting member 36 will be in an upward interference with the second end 342 of the rotating plate 34, so that the clamping member 37 is always located in the clamping groove 31, and the device body 1 and the optical calibration portion 2 are fixed together, so that a medical staff is not required to operate the relative fixing of the device body 1 and the optical calibration portion 2, and the use process of the device is more convenient. After the second end 342 of the rotating plate 34 is released, the supporting member 36 provides a restoring force to push the rotating plate 34 to perform a restoring motion, so that after the angle of the optical calibration portion 2 relative to the apparatus body 1 is adjusted, the optical calibration portion 2 is fixed to the apparatus body 1 again along with the re-entering of the clamping member 37 into the clamping groove 31, thereby locking the adjusted angle of the optical calibration portion 2 relative to the apparatus body 1.

Preferably, the support 36 is a support spring or an elastic rod. By utilizing the characteristic that the supporting spring or the elastic rod has elasticity, the rotating plate 34 can rotate under the pressing action and realize the self-resetting action when the pressing force is lost, so that the operation difficulty of the equipment is reduced, and the high efficiency performance of the equipment is improved.

In one embodiment, the clamping groove 31 includes a limiting disc 311 matched with the sleeve pipe 32 and sleeved outside the device body 1, and a clamping disc 312 connected with the limiting disc 311, wherein the clamping disc 312 is sleeved outside the device body 1, and a plurality of groove cavities 313 are formed on the circumference of the clamping disc 312, as shown in fig. 5. The number of the groove cavities 313 provided on the clamping disk 312 has the following embodiments:

in an embodiment, only one slot 313 is provided, in this embodiment, a single slot 313 has a ring structure, as shown in fig. 5, and the slot 313 having the ring structure can make the adjustment angle of the optical calibration part 2 wider, so that the device is applicable to a wider range.

In another embodiment, at least two of the grooves 313 are provided, and two adjacent grooves 313 are provided separately, as shown in fig. 6. In a specific implementation, the number of the slot cavities 313 may be two, three or more, and the plurality of slot cavities 313 are annularly arranged, preferably equidistantly annularly arranged, and in this embodiment, since the relative position of each slot cavity 313 is fixed, in this embodiment, the precise angle of the optical calibration part 2 relative to the device body 1 can be adjusted as required, so that the device angle adjustment is more precise.

Preferably, in order to facilitate the relative angular adjustment of the tool body 1 and the optical calibration portion 2, the bottom wall of the slot 313 is provided with an arc structure, and the radian of the arc structure is consistent with that of the tool body 1.

In one embodiment, the locking member 37 is a locking rod, and an end of the locking rod away from the rotating plate 34 is configured in an arc-shaped structure matching with the bottom wall of the slot 313, and the shape of the locking rod is consistent, as shown in fig. 2. The purpose of this arrangement is, on the one hand, to prevent the seizing from occurring when adjusting the angle of the optical calibration part 2, and on the other hand, to have a larger contact area and increase friction when the seizing lever is in contact with the bottom wall of the groove 313, so that the fixture body 1 and the optical calibration part 2 are fixed more firmly.

The utility model also provides an operation optical navigation system, which comprises the optical detection device 4 and the operation appliance, wherein the operation appliance comprises an appliance body 1 and an optical calibration part 2 connected with the appliance body 1, and the optical detection device 4 tracks the running path of the appliance body 1 according to the optical calibration part 2 during operation. The use of an open circuit device and an open circuit cone in the conventional operation completely depends on the experience of an operator, has no digitization and visualization, causes great operation difficulty and high risk, has a plurality of perspective times to a patient, has a plurality of risks of injuring spinal cord, nerve roots, penetrating nail tracts, causing loosening of the nail tracts and the like, and has serious consequences. The utility model is matched with the optical detection device 4 for use, the part to be operated can be planned by a computer before operation, and the open circuit device and the open circuit cone can be tracked in real time by the external optical detection device 4 during operation, so that a visual operation scene is provided for the operation, the operation accuracy is ensured, and the risk of injury to patients is reduced.

While embodiments of the present utility model have been described in detail hereinabove, it will be apparent to those skilled in the art that various modifications and variations can be made to these embodiments. It is to be understood that such modifications and variations are within the scope and spirit of the present utility model as set forth in the following claims. Moreover, the utility model described herein is capable of other embodiments and of being practiced or of being carried out in various ways.

Claims (10)

1. The surgical instrument is characterized by comprising an instrument body, an optical calibration part and a connecting part used for connecting the instrument body and the optical calibration part, wherein the connecting part comprises a clamping groove fixedly sleeved outside the instrument body, and a sleeve pipe connected with the optical calibration part and movably sleeved outside the instrument body, a rotating plate with a first end and a second end is rotatably arranged in a through hole of the sleeve pipe, the first end of the rotating plate is provided with a clamping piece clamped with the clamping groove, the second end of the rotating plate is pressed, and the first end of the rotating plate is tilted and is separated from the clamping groove, so that the optical calibration part can rotate relative to the instrument body to change the angle.

2. The surgical instrument of claim 1, further comprising a swivel member comprising a swivel hole formed in the ferrule, and a swivel pin fixedly coupled to the swivel plate, wherein the swivel pin is rotatably coupled to the swivel hole such that the swivel plate is rotatable within the throughbore about the swivel pin.

3. The surgical instrument of claim 1, wherein the through hole comprises a recess provided on the ferrule and a communication hole provided on a bottom wall of the recess, wherein a bore size of the communication hole occupies half of the bottom wall of the recess and the communication hole is disposed proximate the first end of the rotating plate.

4. A surgical instrument according to claim 3, further comprising a support member having one end fixedly connected to the bottom wall of the recess and the other end fixedly connected to the second end of the rotating plate, wherein releasing the second end of the rotating plate, the support member pushes the rotating plate to reset, and the first end of the rotating plate falls back into the clamping slot with the clamping member to secure the optical calibration portion relative to the instrument body.

5. The surgical instrument of claim 4, wherein the support is a support spring or a resilient rod.

6. The surgical instrument of claim 1, wherein the clamping groove comprises a limiting disc which is matched with the sleeve pipe and sleeved outside the instrument body, and a clamping disc connected with the limiting disc, wherein the clamping disc is sleeved outside the instrument body, and a plurality of groove cavities are formed in the circumference of the clamping disc.

7. The surgical instrument of claim 6, wherein when the number of the groove cavities is one, the groove cavities are in a ring-shaped structure, or when the number of the groove cavities is at least two, two adjacent groove cavities are separately arranged.

8. The surgical instrument of claim 7, wherein the clip is a clip lever having an end distal from the rotating plate configured in an arcuate configuration that mates with a bottom wall of the slot cavity.

9. The surgical instrument of any one of claims 1 to 8, wherein the optical calibration portion comprises a light reflecting ball and a support for the connection of the light reflecting ball, one side of the support away from the light reflecting ball is connected with one end of a support rod, and the other end of the support rod is connected with the ferrule.

10. An optical navigation system for surgery, comprising an optical detection device and the surgical instrument according to any one of claims 1 to 9, the surgical instrument comprising an instrument body and an optical marking section connected to the instrument body, the optical detection device tracking the path of travel of the instrument body according to the optical marking section during surgery.