CN113520517B

CN113520517B - Diversion cutter assembly with information identification function and grinding operation system

Info

Publication number: CN113520517B
Application number: CN202110874430.6A
Authority: CN
Inventors: 郭毅军; 郭以宏
Original assignee: Chongqing Xishan Science and Technology Co Ltd
Current assignee: Chongqing Xishan Science and Technology Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-10-11
Anticipated expiration: 2041-07-30
Also published as: CN113520517A

Abstract

The invention discloses a turning cutter component with an information identification function and a grinding operation system, wherein the turning cutter component comprises: the turning grinding tool comprises a connecting handle component, an inner cutter rod and a cutter head, the connecting handle component comprises a connecting handle and a push-pull piece, and the push-pull piece can move back and forth along the axial direction of the connecting handle component along with the rotation of the cutter head; the handle comprises a positioning sleeve; the electronic tag stores data information, is arranged on the plug part and can move along the axial direction of the connecting handle assembly along with the movement of the push-pull piece; the induction identification assembly is arranged on the positioning sleeve and used for identifying data information stored in the electronic tag and obtaining a position signal representing the relative position of the induction identification assembly and the electronic tag. The turning cutter component with the structure can identify data information stored in the electronic tag and can also identify the turning angle of the cutter head.

Description

Diversion cutter assembly with information identification function and grinding operation system

Technical Field

The invention relates to the field of medical instruments, in particular to a direction-changing cutter assembly with an information identification function and a grinding operation system.

Background

In some bone surgeries, it is sometimes necessary to grind bone tissue in a patient using a grinding tool, and existing grinding tools generally include a shaft portion and a spherical or cylindrical head portion provided at a front end of the shaft portion. The head of the earliest grinding cutter can not be bent, the working area is small, and the earliest grinding cutter is suitable for a few types of operations. In order to solve the defects, a turning grinding tool with an adjustable head bending angle is provided, and the turning grinding tool comprises an outer tool tube, an inner tool bar arranged in the outer tool tube, a tool bit movably matched and connected with the front end of the inner tool bar, and an angle adjusting mechanism for adjusting the bending angle between the tool bit and the inner tool bar. However, the turning angle of the existing turning grinding tool cannot be identified, so that a doctor cannot check the size of the turning angle of the tool bit in the operation process, and the operation is inconvenient.

Disclosure of Invention

In view of the current state of the prior art, the invention provides a direction-changing tool assembly with an information identification function, which can identify the direction-changing angle of a tool bit. Another technical problem to be solved by the present invention is to provide an abrasive surgical system having the above-mentioned direction-changing cutter assembly.

In order to solve the above technical problems, the present invention provides a direction changing cutter assembly having an information recognition function, including: the turning grinding tool comprises an inner cutter bar, a cutter head and a connecting handle component, wherein the cutter head is rotatably connected with the front end of the inner cutter bar, the connecting handle component comprises a connecting handle and a push-pull piece, the connecting handle is provided with a plug part, and the push-pull piece can move back and forth along the axial direction of the connecting handle component to drive the cutter head to bend and turn; the handle comprises a positioning sleeve, and a jack matched with the plug part is arranged on the positioning sleeve; further comprising: the electronic tag is arranged on the plug part and can move along the axial direction of the connecting handle component along with the movement of the push-pull piece; and the induction identification assembly is arranged on the positioning sleeve and used for acquiring a position signal of the relative position of the induction identification assembly and the electronic tag.

According to the turning cutter component with the information identification function, after the plug part of the connecting handle is inserted into the jack of the positioning sleeve, the electronic tag on the connecting handle is identified by the induction identification component on the positioning sleeve, the electronic tag is identified by the induction identification component, the electronic tag moves along the axial direction of the connecting handle component along with the movement of the push-pull part, the push-pull part moves back and forth along the axial direction of the connecting handle component, the turning angle of the cutter head is controlled to be adjusted (namely the cutter head is turned to be turned), and due to the fact that the relative positions of the electronic tag and the induction identification component are different, the strength of signals generated by the induction identification component is different, the size of the turning angle can be calculated according to the strength of the signals generated by the induction identification component, and therefore the purpose of identifying the size of the turning angle is achieved.

In one embodiment, the electronic tag is a bar shape extending along the axial direction of the stem component, and a part of the electronic tag is overlapped with the induction recognition component in the axial direction of the stem component all the time during the movement process.

In one embodiment, an accommodating cavity is formed in the plug portion, the electronic tag is accommodated in the accommodating cavity, and a synchronous movement mechanism is arranged between the electronic tag and the push-pull piece.

In one embodiment, the synchronous movement mechanism includes a displacement rod and an elastic component, the displacement rod is disposed on the connecting handle on one side of the accommodating cavity and can move along the axial direction of the connecting handle assembly, one end of the displacement rod is in contact with the electronic tag, the other end of the displacement rod is in contact with the push-pull member, and the elastic component is used for applying an elastic force among the displacement rod, the electronic tag and the push-pull member, so that two ends of the displacement rod are always in close contact with the push-pull member and the electronic tag.

In one embodiment, the connecting handle and the elastic component are made of nonmetal.

In one embodiment, the elastic member includes a first elastic member and a second elastic member, the first elastic member is disposed on a side of the electronic tag facing away from the displacement rod and is used for applying an elastic force to the electronic tag towards the side of the displacement rod, and the second elastic member is disposed on the displacement rod and is used for applying an elastic force to the displacement rod towards the side of the electronic tag.

In one embodiment, the induction recognition assembly comprises a cylindrical support frame and an induction recognition coil sleeved on the periphery of the support frame.

In one embodiment, the inner wall of the jack is provided with an annular mounting groove, and the induction recognition component is mounted in the mounting groove.

In one embodiment, the positioning sleeve comprises an outer positioning sleeve and an inner positioning sleeve, the central hole of the outer positioning sleeve is a stepped hole and comprises a small-diameter hole and a large-diameter hole which are sequentially connected from front to back, the front end of the inner positioning sleeve is inserted and fixed into the rear end of the large-diameter hole, and the front end surface of the inner positioning sleeve and the large-diameter hole form the mounting groove together.

In one embodiment, the induction recognition coil comprises an inner coil and an outer coil, the inner coil and the outer coil are connected in series, and the winding directions of the inner coil and the outer coil are opposite.

In one of them embodiment, the handle still includes shell body and bunch pipe, the front end of shell body with the rear end of position sleeve is connected, the rear end of shell body is provided with the motor interface, the bunch pipe is followed the front end of shell body extends to the rear end of shell body, wear to be equipped with signal transmission line in the bunch pipe, signal transmission line's front end with induction recognition coil's joint electric connection, rear end and setting are in transmission interface contact electric connection on the rear end face of shell body.

In one embodiment, the outer shell is bent, the wiring pipe is arranged on the outer side of the outer shell in the bending direction, and a plurality of wiring sleeves arranged at intervals are sleeved on the outer sides of the outer shell and the wiring pipe.

The invention provides an abrasive surgical system, comprising: the host computer comprises a central control module and a display module; further comprising: the turning cutter component with the information identification function is characterized in that the central control module is electrically connected with the induction identification component and used for receiving the position signal, obtaining the size of the turning angle of the cutter head according to the position signal and sending the size to the display module for displaying.

In one embodiment, the abrasive surgery system further comprises a data transmission module and a data transmission antenna, wherein the data transmission module is electrically connected with the central control module, and the data transmission antenna is electrically connected with the data transmission antenna.

The advantageous effects of the additional features of the present invention will be explained in the detailed description of the invention section.

Drawings

FIG. 1 is a perspective view of a direction changing cutter assembly with information recognition function in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the direction changing cutter assembly having an information recognition function shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a perspective view of a direction changing grinding tool of the direction changing tool assembly shown in FIG. 1;

FIG. 5 is an enlarged view of a portion of FIG. 4 at B;

FIG. 6 is a schematic cross-sectional view of the direction changing grinding tool shown in FIG. 1;

FIG. 7 is an enlarged partial view of FIG. 6 at C;

FIG. 8 is an enlarged partial view of FIG. 6 at D;

FIG. 9 is a front view of the shank of the tool shown in FIG. 6;

FIG. 10 is a cross-sectional view taken along line E-E of FIG. 9;

fig. 11 is a perspective view illustrating a handle of the direction changing cutter assembly having the information recognition function shown in fig. 1;

FIG. 12 is a cross-sectional view of the handle shown in FIG. 11;

FIG. 13 is an enlarged partial schematic view at E of FIG. 12;

FIG. 14 is a front view of the positioning sleeve of the handle of FIG. 11;

FIG. 15 is a cross-sectional view taken along line F-F of FIG. 14;

FIG. 16 is a perspective view of an induction recognition assembly of the handle of FIG. 11;

FIG. 17 is a perspective view of a support bracket of the induction identification assembly shown in FIG. 12;

FIG. 18 is a perspective view of a coil of the induction identification assembly shown in FIG. 12;

FIG. 19 is a block diagram of an abrasive surgical system having the direction changing cutter assembly shown in FIG. 1.

Description of reference numerals:

100. turning and grinding a cutter; 112. an outer cutter tube body; 114. fixing the support sleeve; 116. a ball head; 116118, a first limit pin; 122. an inner cutter arbor main body; 124. a connecting rod; 125. a universal head; 127. a transmission rod; 128. an input interface; 130. a cutter head; 131. a rod portion; 132. a universal slot; 134. a head; 141. a movable support sleeve; 142. pulling the tube; 143. a control hinge; 144. a pin shaft; 145. a push-pull member; 146. adjusting a knob; 147. a spherical groove; 148. a second limit pin; 150. a stem assembly; 151. a fixed seat; 152. a connecting handle; 150. a stem assembly; 153. a plug portion; 1531. a large diameter section; 1532. a small diameter section; 1533. an accommodating chamber; 1534. an axial positioning groove; 1535. fixing grooves; 1536. a boss; 1537. a guide portion; 154. a displacement rod; 155. a first elastic member; 156. a second elastic member; 157. a circumferential positioning key; 158. fixing the insert; 159. an electronic tag; 160. a water injection pipe; 161. a water injection port; 200. a handle; 210. a positioning sleeve; 211. an outer locating sleeve; 212. an inner positioning sleeve; 213. a first jack; 214. mounting grooves; 215. a second jack; 216. a circumferential positioning interface; 217. radial positioning holes; 218. a via hole; 220. an outer housing; 231. a locking ball; 232. pressing the sleeve; 233. pressing a sleeve return spring; 250. an inductive identification component; 251. a support frame; 252. an induction recognition coil; 253. a signal transmission line; 254. a transmission interface contact; 254. an annular groove; 255. an inner coil; 256. an outer coil; 257. an annular groove; 260. a wire bundling pipe; 270. a wire bundling sleeve; 281. an output cone shaft; 282. a power transmission interface; 283. inputting a conical shaft; 284. a motor interface; 300. a motor; 400. a cable wire; 500. a cooling water pipe; 600. a host; 601. a display module; 602. identifying an information exchange interface; 606. a data transmission interface; 609. a central control module; 610. a data transmission antenna; 611. a data transmission module; 612. a data storage module; 613. and a voice prompt module.

Detailed Description

The invention is described in detail below with reference to the figures and with reference to embodiments. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.

In this document, the terms front, back, upper, lower and the like in the drawings are used for the sake of clarity and convenience only for the components are located in the drawings and the positions of the components relative to each other. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

Referring to fig. 1 to 3, a direction-changing cutter assembly having an information recognition function according to one embodiment of the present invention includes a direction-changing grinding cutter 100 and a handle 200.

As shown in connection with fig. 1 to 7, the direction-changing grinding tool 100 as an example includes a connecting shank assembly 150, an outer cutter tube, an inner cutter bar, a cutter head, an angle adjusting means, and an electronic tag 159, wherein the connecting shank assembly 150 includes a fixed base 151 and a connecting shank 152 for connection with a handle.

The rear end of the outer cutter tube is connected with a fixed seat 151 of the connecting handle assembly 150. As shown in fig. 6 to 8, the outer cutting tube in this embodiment is composed of an outer cutting tube main body 112 and a fixed supporting sleeve 114, wherein the rear end of the outer cutting tube main body 112 is inserted and fixed in the central hole of the fixed base 151, and the front end of the outer cutting tube main body 112 is fixedly connected with the rear end of the fixed supporting sleeve 114.

The inner cutter bar is rotatably arranged in the outer cutter tube. As shown in fig. 6 to 8, the inner cutter bar in this embodiment is composed of an inner cutter bar main body 122 and a connecting rod 124, wherein the rear end of the inner cutter bar main body 122 extends from the rear end of the outer cutter bar main body 112 and is in transmission connection with the front end of a transmission rod 127, the rear end of the transmission rod 127 extends from the rear end of a connecting handle assembly 150, the rear end of the transmission rod 127 is provided with an input interface 128, and the front end of the outer cutter bar main body 112 is connected with the rear end of the connecting rod 124. The connecting rod 124 and the outer cutter tube main body 112 are provided with a first axial limiting structure for limiting the connecting rod 124 to move axially relative to the outer cutter tube main body 112. The first axial stopper structure in this embodiment includes a first stopper groove provided on the outer peripheral surface of the connecting rod 124 and a first stopper pin 118 provided on the outer cutter tube main body 112 to extend in the radial direction, and an end of the first stopper pin 118 is inserted into the first stopper groove.

The rear end of the cutter head 130 is connected with the front end of the connecting rod 124 through a first rotating connection mechanism, so that the cutter head 130 can be bent to change direction and transmit torque, so as to adjust an included angle between the central line axis of the cutter head 130 and the central axis of the inner cutter bar. As shown in fig. 6 and 7, the first rotary connection structure in this embodiment includes a universal slot 132 disposed at the rear end of the cutter head 130 and a universal head 125 disposed at the front end of the connection rod 124, and the universal head 125 is located in the universal slot 132 and is rotatably engaged with the universal slot 132.

As shown in fig. 6 and 7, the cutter head 130 in this embodiment includes a head portion 134 and a shaft portion 131 connected to each other, the head portion 134 is provided with a cutting edge (not shown), the shaft portion 131 is inserted into the movable support sleeve 141, the rear end of the shaft portion 131 is provided with a universal groove 132, and the universal groove 132 and the universal head 125 cooperate to form a universal joint. A second axial limiting structure for limiting the axial sliding of the cutter head 130 relative to the movable support sleeve 141 is arranged between the rod part 131 and the movable support sleeve 141. The second axial direction restricting structure in this embodiment includes an annular second restricting groove provided on the outer peripheral surface of the rod portion 131 and a second restricting pin 148 provided on the movable support sleeve 141 and extending in the radial direction, and an end of the second restricting pin 148 is inserted into the second restricting groove.

As shown in fig. 4 to 8, the direction change control mechanism in this embodiment includes a movable support sleeve 141, a pulling member 142, a pushing member 145, and an adjusting knob 146, wherein the movable support sleeve 141 is sleeved outside the cutter head 130, and a rear end of the movable support sleeve 141 is connected to a front end of the fixed support sleeve 114 through a second rotation connection mechanism. The second rotation connecting structure in this embodiment includes a spherical groove 147 provided on the rear end of the movable support sleeve 141 and a ball head 116 provided on the front end of the fixed support sleeve 114 and engaged with the spherical groove 147, the ball head 116 is snapped into the spherical groove 147 and rotatably engaged with the spherical groove 147, and the ball head 116 and the spherical groove 147 constitute a ball joint.

The pulling part is arranged in the outer knife tube in a penetrating mode, the front end of the pulling part is connected with the rear end of the movable supporting sleeve 141, the rear end of the pulling part extends out of the outer knife tube and is connected with the pushing and pulling part 145 arranged in the connecting handle component 150, the pushing and pulling part 145 is connected with the adjusting knob 146, the adjusting knob 146 drives the pushing and pulling part 145 to move back and forth along the axial direction, the pulling part is driven to move back and forth, the pulling part moves back and forth and drives the movable supporting sleeve 141 to rotate, and therefore the tool bit 130 is driven to bend and change directions.

As shown in fig. 6 and 7, the pulling member in this embodiment includes a pulling tube 142 and a control hinge 143, the pulling tube 142 is sleeved on the inner knife bar, the rear end of the pulling tube 142 extends out of the outer knife bar, the front end of the pulling tube 142 is connected with the rear end of the control hinge 143, and the front end of the control hinge 143 is pivotally connected with the rear end of the movable support sleeve 141 through a pin 144.

As shown in fig. 6 and 8, the push-pull member 145 of the present embodiment is fixedly sleeved on the rear end of the pulling tube 142, the push-pull member 145 has a shoulder portion protruding outward in the middle, and the outer peripheral surface of the shoulder portion is provided with an external thread. The adjusting knob 146 is sleeved outside the push-pull piece 145, the front end of the adjusting knob 146 is rotatably sleeved at the rear end of the fixing seat 151, the rear end of the adjusting knob 146 is rotatably sleeved at the front end of the connecting handle 152, and the inner wall of the adjusting knob 146 is provided with an internal thread matched with the external thread on the push-pull piece 145. When the adjusting knob 146 is rotated in the forward direction or the reverse direction, the adjusting knob 146 drives the pushing and pulling member 145 to move forward or backward, so as to drive the pulling member to move forward or backward, further drive the movable supporting sleeve 141 to rotate relative to the fixed supporting sleeve 114, and further drive the tool bit 130 to turn.

The electronic tag 159 stores data information of the turning grinding tool, the electronic tag 159 is arranged on the plug portion 153, and the electronic tag 159 can move along the axial direction of the connecting handle assembly 150 along with the movement of the push-pull piece 145, so that the size of the turning angle of the tool bit 130 can be identified by detecting the movement of the electronic tag 159, and the detection of the size of the turning angle is realized.

Preferably, the electronic tag 159 is a bar shape extending along the axial direction of the stem assembly 150, so that the electronic tag 159 is inserted into the induction recognition assembly 250 for a long length, and the induction recognition assembly 250 can more easily recognize the signal of the electronic tag 159; also, the electronic tag 159 in a bar shape is conveniently mounted on the plug portion 153. The connection handle 152 in this embodiment is provided with an accommodating cavity 1533, the electronic tag 159 is accommodated in the accommodating cavity 1533, and a synchronous movement mechanism is provided between the electronic tag 159 and the push-pull member 145.

As shown in fig. 8, the synchronizing mechanism includes a displacement rod 154 and an elastic member, the displacement rod 154 is disposed between the electronic tag 159 and the push-pull member 145, one end of the displacement rod 154 is in contact with the electronic tag 159, and the other end is in contact with the push-pull member 145, and the elastic member is configured to apply an elastic force between the displacement rod 154, the electronic tag 159 and the push-pull member 145, so that both ends of the displacement rod 154 are always in close contact with the push-pull member 145 and the electronic tag 159.

As shown in fig. 9 and 10, the stem 152 has a cylindrical structure, the stem 152 includes a boss 1536 on an outer peripheral surface, a guide portion 1537 located in front of the boss 1536, and a plug portion 153 located behind the boss 1536, the guide portion 1537 is inserted into a rear end of the adjustment knob 146 to guide rotation of the adjustment knob 146, and the plug portion 153 is inserted into the insertion hole of the handle 200. The plug portion 153 of this embodiment is stepped, and includes a large-diameter portion 1531 and a small-diameter portion 1532 connected in series from front to back, and a receiving cavity 1533 is provided in a wall portion of the large-diameter portion 1531. A fixing groove 1535 is formed at a step between the large-diameter portion 1531 and the small-diameter portion 1532, and an axial positioning groove 1534 is formed at an outer circumferential surface of the small-diameter portion 1532. To prevent interference with the identification of information from the electronic identification tag, the stem 152 is made of a non-metallic material (e.g., rubber).

In order to guide the movement of the displacement rod 154, a fixing insert 158 is fitted into the front end of the central hole of the connecting shank 152, a through hole extending in the axial direction is provided in the fixing insert 158, and the displacement rod 154 is inserted into the through hole.

The elastic member includes a first elastic member 155 and a second elastic member 156, the first elastic member 155 is disposed between the rear end of the electronic tag 159 and the sidewall of the accommodating cavity 1533, and is used for applying an elastic force to the electronic tag 159 toward the displacement rod 154, the second elastic member 156 is a spring, and the second elastic member 156 is fitted over the protruding portion of the displacement rod 154 protruding through hole, and is used for applying an elastic force to the displacement rod 154 toward the electronic tag 159. In order to prevent interference with information recognition of the electronic identification tag, the first elastic member 155 and the second elastic member 156 are made of a non-metallic material (e.g., rubber).

When the adjusting knob 146 is adjusted, because the push-pull member 145 is in threaded connection with the adjusting knob 146, the push-pull member 145 moves left and right relative to the adjusting knob 146 along the axial direction, the displacement rod 154 is driven to move left and right at the same time, and the electronic tag 159 is driven to move left and right under the action of the first elastic component 155 and the second elastic component 156. The push-pull member 145 and the rear end of the pulling tube 142 are welded and fixed together, the pulling tube 142 is driven by the displacement of the push-pull member 145 to generate axial displacement, so that the pulling tube 142 generates relative displacement relative to the outer cutter tube, the control hinge 143 generates relative displacement relative to the outer cutter tube, the displacement of the control hinge 143 generates an eccentric distance with the center of the universal joint, and then the movable support sleeve 141 rotates around the center of the universal joint, and the cutter head 130 is driven to change direction.

Preferably, the turning grinding tool 100 further includes a water injection pipe 160, the water injection pipe 160 is attached to the outer wall of the outer cutter pipe, the front end of the water injection pipe 160 extends to the front end of the outer cutter pipe, and the rear end of the water injection pipe 160 is provided with a water injection port 161.

The handle 200 is connected with the direction-changing grinding tool 100 and used for providing power for the operation of the direction-changing grinding tool 100. As shown in fig. 11 to 13, the handle 200 as an example includes an outer housing 220, a positioning sleeve 210, a locking mechanism, an inductive identification component 250 and a power transmission mechanism, wherein the positioning sleeve 210 is provided with a plug hole extending along the axial direction for inserting the plug portion 153 of the connection handle 152, and the locking mechanism locks the connection handle 152 inserted into the plug hole to prevent the connection handle from being pulled out by mistake. An inductive identification component 250 is mounted on the localization sleeve 210 for identifying the data information stored in the electronic tag 159 and obtaining a position signal indicative of the relative position of the inductive identification component 250 and the electronic tag 159.

When the plug portion 153 of the connecting handle 152 is inserted into the positioning sleeve 210, the electronic tag 159 on the connecting handle 152 is identified by the induction identification component 250 of the handle 200, and the data information (such as the lot number and specification of the direction-changing grinding tool 100) stored in the electronic tag 159 is identified by the induction identification component 250 and then identified by the host 600 connected with the handle 200. Moreover, when the electronic tag 159 moves relative to the sensing and identifying component 250, the strength of the signals generated by the sensing and identifying component 250 is different, so that the position of the electronic tag 159 can be calculated according to the strength of the signals of the electronic tag 159, and the position of the electronic tag 159 is related to the size of the turning angle of the tool bit 130, so that the size of the turning angle can be calculated according to the strength of the signals generated by the sensing and identifying component 250, and the purpose of identifying the size of the turning angle can be achieved. The specific implementation mode is as follows: when the electronic tag 159 moves forward along with the push-pull member 145, the induction identification component 250 gradually moves away from the electronic tag 159, when the electronic tag 159 moves to the farthest end, the angle is calibrated to be the maximum direction-changing angle value, when the electronic tag 159 moves in the reverse direction to the nearest end, the angle is calibrated to be the minimum direction-changing angle (namely 0 degree), the host 600 respectively identifies the signal intensity of each position point from the nearest end to the farthest end to distinguish the size of the direction-changing angle of the cutter head 130 (since the signal induced by the moving interval from the nearest section to the farthest end is not completely in a linear state, the size of the position angle can be calibrated section by section in the control software of the host 600), and thus the size of the direction-changing angle of the cutter head 130 can be identified.

As shown in the figure, the insertion hole in this embodiment is a stepped hole matching with the shape of the plug portion 153, and includes a first insertion hole 213 with a larger diameter and a second insertion hole 215 with a smaller diameter, which are sequentially connected from front to back, a mounting groove 214 is provided on an inner wall of one end of the first insertion hole 213 close to the second insertion hole 215, and the induction recognition component 250 is mounted in the mounting groove 214.

As shown in fig. 14 and 15, in order to facilitate assembly of the induction recognition assembly 250, the positioning sleeve 210 includes an outer positioning sleeve 211 and an inner positioning sleeve 212, the central hole of the outer positioning sleeve 211 is a first insertion hole 213, and the first insertion hole 213 is a stepped hole, which includes a small-diameter hole and a large-diameter hole connected in sequence from front to back. The center hole of the inner positioning sleeve 212 is a second insertion hole 215, the front end of the inner positioning sleeve 212 is inserted and fixed in the rear end of the mounting groove 214, the inner positioning sleeve 212 and the inner positioning sleeve 212 are in threaded fit, the front end surface of the inner positioning sleeve 212 and the large-diameter hole form the mounting groove 214 together, the induction identification component 250 is fixed through steps on two sides, and the signal transmission line 253 penetrates out through a through hole 218 formed in the front end of the inner positioning sleeve 212.

As shown in fig. 13 and 14, the locking mechanism in this embodiment includes a plurality of radial positioning holes 217 provided on the inner positioning sleeve 212 and arranged at intervals in the circumferential direction, a locking ball 231 installed in the radial positioning hole 217, a pressing sleeve 232 fitted over the outer side of the inner positioning sleeve 212, and a pressing sleeve return spring 233 for returning the pressing sleeve 232, and the inner wall of the pressing sleeve 232 is provided with a pressing portion protruding inward. When the shank 152 is inserted into the insertion hole, the locking balls 231 are caught in the axial direction positioning grooves 1534 of the shank 152 by the pressing of the pressing sleeve 232, thereby axially fixing the direction-changing grinding tool 100. The locking mechanism in this embodiment further includes a plurality of circumferential positioning interfaces 216 disposed at the front end of the inner positioning sleeve 212 and extending in the axial direction, and the circumferential positioning interfaces 216 are matched with the circumferential positioning keys 157 on the connecting shank 152 for circumferentially fixing the cutting tool 100.

As shown in fig. 16 to 18, the induction recognition assembly 250 in the present embodiment includes a support frame 251 and an induction recognition coil 252, the support frame 251 is provided with an annular groove 257 on an outer circumferential surface thereof, and the induction recognition coil 252 is installed in the annular groove 257. Preferably, the induction recognition coil 252 has a double-layer structure, which includes an inner coil 255 and an outer coil 256, the inner coil 255 and the outer coil 256 are connected in series, and the spiral directions of the inner coil 255 and the outer coil 256 are different, for example, the outer coil 256 is left-handed, and the inner coil 255 is right-handed. The induction recognition coil 252 in this embodiment is a double-layer helix with an inner layer and an outer layer, the direction of the inner current is the same, and the structural stability of the coil can be improved by superposing the double-layer helices, and the intensity of the induction magnetic field can be increased, so that the recognition stability can be improved. When the induction recognition coil 252 starts recognition work, high-frequency current is transmitted in the inner coil 255 and the outer coil 256 to form an induction magnetic field, and when an electronic recognition information tag in which information such as a tool specification, a production lot number and the like is written in advance exists inside the induction recognition coil, the information can be recognized and read.

Preferably, at least a portion of the electronic tag 159 is located within the central hole of the inductive identification assembly 250 during movement of the electronic tag 159 to ensure that the inductive identification assembly 250 can identify the electronic tag 159.

Preferably, the supporting frame 251 is made of a non-metal material (e.g., rubber), which can increase the accuracy of the identification information of the electronic tag 159 and the inductive identification component 250 on the handle 200, and prevent interference.

As shown in fig. 12 and 13, in the present embodiment, a wire harness tube 260 is disposed outside the outer housing 220, the wire harness tube 260 extends from the front end to the rear end of the outer housing 220, and the wire harness tube 260 is fixed by a wire harness sleeve 270 that is sleeved on the outer housing 220. The signal transmission line 253 is inserted into the bundle pipe 260, the front end of the signal transmission line 253 is electrically connected to the signal connector of the induction recognition coil 252, and the rear end of the signal transmission line 253 is electrically connected to the transmission interface contact 254 provided at the rear end of the outer housing 220. Preferably, the outer housing 220 is curved, and the bundle pipe 260 is disposed outside the outer housing 220 in the bending direction, and has little influence on the appearance of the product.

As shown in the figure, the power transmission mechanism includes an input cone shaft 283 and an output cone shaft 281, the rear end of the input cone shaft 283 is located in the rear end of the outer housing 220 for connecting with the output end of the motor 300, the front end of the input cone shaft 283 is provided with a gear which is meshed with the gear at the rear end of the output cone shaft 281, the front end of the output cone shaft 281 is provided with a power transmission interface 282, and the power transmission interface 282 is matched with the input interface 128 at the rear end of the transmission rod 127. After the motor 300 is inserted into the interface 284 of the motor 300, the power is transmitted in a lateral direction and in a speed reducing and speed changing manner through the matching of the input conical shaft 283 and the output conical shaft 281.

As shown in fig. 3, 12 and 13, in the process of mounting the turning grinding tool 100 to the handle 200, the pressing sleeve 232 is pressed by a hand to slide backwards, at this time, the pressing sleeve 232 presses the pressing sleeve return spring 233 to slide backwards along the axis and enables the locking ball 231 to slide into the cavity on the front side of the pressing part, after the outer surface of the locking ball 231 no longer exposes the inner end of the radial positioning hole 217, the connecting handle 152 of the turning grinding tool 100 is inserted into the insertion hole of the handle 200, and the circumferential positioning interface 216 is matched with the circumferential positioning key 157 to realize circumferential fixing; after the pressing sleeve 232 is released, the pressing sleeve 232 is pushed to slide forwards under the action of the pressing sleeve return spring 233, and at the moment, the locking ball 231 slides out of the cavity under the extrusion action of the extrusion part of the pressing sleeve 232, so that the locking ball 231 protrudes out of the inner end of the radial positioning hole 217 again and is matched with the axial positioning groove 1534 to realize axial positioning; meanwhile, the input interface 128 is inserted into the power transmission interface 282, and the power transmission interface 282 is engaged.

FIG. 19 is a block diagram of an abrasive surgical system having the direction changing cutter assembly shown in FIG. 1. As shown in the figure, the grinding operation system mainly comprises a direction-changing grinding tool 100, a handle 200 and an operation power device, and the grinding tool 100 and the handle 200 can be other tools and handles with identification functions besides the grinding tool 100 and the handle 200 in the above embodiments.

The surgical power device comprises a main machine 600, a cable 400 and a motor 300. The host 600 as an example mainly comprises a housing (not shown in the figure), a central control module 609, a data storage module 612 and a display module 601, wherein the housing is provided with a display mounting hole and an identification information exchange interface 602, the central control module 609 is located in the housing, and the central control module 609 is electrically connected with the identification information exchange interface 602. One end of the cable 400 is connected with the motor 300, the other end is connected with the identification information exchange interface 602, and the motor 300 is provided with a contact interface (not shown in the figure) which is connected with the transmission interface contact 254 at the rear end of the outer shell 220, so that the central control module 609 is connected with the induction identification coil 252. The information identified by the induction identification coil 252 is transmitted to the transmission interface contact 254 at the tail of the handle 200 through the signal transmission line 253, and is connected with the corresponding contact interface on the motor 300, so that the information is transmitted to the central control module 609 through the cable 400, and the central control module 609 analyzes and processes the identified information, so that the functions of identifying, transmitting, processing and tracking the cutter information and the like are realized.

The data storage module 612 is disposed in the housing, the data storage module 612 is electrically connected to the central control module 609, and the data storage module 612 is used for storing information processed by the central control module 609.

Display module 601 is installed in display mounting hole, and display module 601 and central control module 609 electric connection, the information of discernment show through display module 601, make things convenient for the doctor to look over in real time at the operation in-process.

The host 600 further includes a data transmission module 611 and a data transmission antenna 610, wherein the data transmission module 611 is electrically connected to the central control module 609, and the data transmission antenna 610 is electrically connected to the data transmission antenna 610. The identified information is processed by the data transmission module 611 and then is uploaded to the cloud of the service provider remotely through the data transmission antenna 610, so that the service provider can monitor the operation condition of the cutter in real time and provide support for the user.

The host 600 further includes a voice prompt module 613, and the voice prompt module 613 is electrically connected to the central control module 609. When the running state of the turning grinding tool 100 identified by the host 600 does not conform to the normal running parameters set by the host 600, such as the number of revolutions, the frequency is too high or too low, and when the water injection cooling is correctly started or the water injection flow rate is not matched with the number of revolutions of the turning grinding tool 100, the display module 601 of the host 600 can be used for alarming and prompting abnormal information, and meanwhile, the voice prompt module 613 can be used for sending out voice prompt information, and abnormal use information can be uploaded to the cloud end through the data transmission module 611 and the data transmission antenna 610.

The main body 600 further includes a cooling pump (not shown), and an outlet of the cooling pump is in fluid communication with the water injection port 161 of the grinding tool 100 through a cooling water pipe 500.

The host 600 further includes a data transmission interface 606, and the data transmission interface 606 is electrically connected to the data storage module 612. The processed identification information can be directly copied to a computer or a hard disk through the data transmission interface 606.

Therefore, the grinding operation system can record and store various operation parameters or states of the cutter and the handle or upload the operation parameters or states to the cloud end through the transmission module and the antenna, so that companies or service providers can know the use condition of products and the consumption condition of medical consumables in real time, and perfect big data service information flow is formed. The scheme can realize intelligent tracking and real-time monitoring of the operation condition of the turning grinding head cutter, is favorable for tracking service and management and control of the whole chain of the turning grinding head product after production, sale, use and sale, and also can timely supplement inventory for a hospital after the use of a doctor or provide remote assistance service when the product operation data is abnormal in trip, so that the service level and the response speed can be improved, and the competitive advantage is increased.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention.

Claims

1. A direction-changing cutter assembly with an information recognition function, comprising:

the turning grinding tool comprises an inner tool bar, a tool bit and a connecting handle component, wherein the tool bit is rotatably connected with the front end of the inner tool bar, the connecting handle component comprises a connecting handle and a push-pull piece, the connecting handle is provided with a plug part, and the push-pull piece can move back and forth along the axial direction of the connecting handle component to drive the tool bit to turn;

the handle comprises a positioning sleeve, and a jack matched with the plug part is arranged on the positioning sleeve;

it is characterized by also comprising:

the electronic tag is arranged on the plug part and can move along the axial direction of the connecting handle component along with the movement of the push-pull piece; and

and the induction identification component is arranged on the positioning sleeve and used for acquiring a position signal of the relative position of the induction identification component and the electronic tag.

2. The direction-changing cutter assembly with the information recognition function according to claim 1, wherein the electronic tag is a bar shape extending in the axial direction of the coupling shank assembly, and a part of the electronic tag is always overlapped with the induction recognition assembly in the axial direction of the coupling shank assembly during the movement.

3. The direction-changing cutter assembly with the information identification function according to claim 1 or 2, wherein an accommodating cavity is formed in the plug portion, the electronic tag is accommodated in the accommodating cavity, and a synchronous movement mechanism is arranged between the electronic tag and the push-pull member.

4. The direction-changing cutter assembly with the information identifying function according to claim 3, wherein the synchronous movement mechanism includes a displacement rod and an elastic member, the displacement rod is disposed on the connecting handle on one side of the accommodating cavity and is capable of moving along an axial direction of the connecting handle assembly, one end of the displacement rod is in contact with the electronic tag, and the other end of the displacement rod is in contact with the push-pull member, and the elastic member is configured to apply an elastic force among the displacement rod, the electronic tag and the push-pull member, so that both ends of the displacement rod are always in close contact with the push-pull member and the electronic tag.

5. The direction-changing cutter assembly with the information recognition function according to claim 4, wherein the elastic member includes a first elastic member and a second elastic member, the first elastic member is provided on a side of the electronic tag facing away from the displacement rod for applying an elastic force toward the displacement rod side to the electronic tag, and the second elastic member is provided on the displacement rod for applying an elastic force toward the electronic tag side to the displacement rod.

6. The direction-changing cutter assembly with the information identification function according to claim 1, wherein the induction identification assembly comprises a cylindrical support frame and an induction identification coil sleeved on the periphery of the support frame.

7. The direction-changing cutter assembly with the information recognition function as claimed in claim 6, wherein an annular mounting groove is provided on an inner wall of the insertion hole, and the induction recognition assembly is mounted in the mounting groove.

8. The direction changing cutter assembly with the information recognition function as claimed in claim 7, wherein the positioning sleeve comprises an outer positioning sleeve and an inner positioning sleeve, the central hole of the outer positioning sleeve is a stepped hole which comprises a small diameter hole and a large diameter hole which are sequentially connected from front to back, the front end of the inner positioning sleeve is inserted and fixed into the rear end of the large diameter hole, and the front end surface of the inner positioning sleeve and the large diameter hole together form the mounting groove.

9. The direction-changing cutter assembly with the information recognition function according to claim 6, wherein the induction recognition coil includes an inner coil and an outer coil, the inner coil and the outer coil are connected in series with each other, and winding directions of the inner coil and the outer coil are opposite.

10. An abrasive surgical system comprising:

the host comprises a central control module and a display module;

it is characterized by also comprising:

the direction changing cutter assembly with the information identifying function as claimed in any one of claims 1 to 9, wherein the central control module is electrically connected with the induction identifying assembly, and is used for receiving the position signal, obtaining the size of the direction changing angle of the cutter head according to the position signal, and sending the size to the display module for displaying.