CN218739054U - Depth-limiting plain grinding drill for assisting in implanting guide pin - Google Patents
Depth-limiting plain grinding drill for assisting in implanting guide pin Download PDFInfo
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- CN218739054U CN218739054U CN202221798504.9U CN202221798504U CN218739054U CN 218739054 U CN218739054 U CN 218739054U CN 202221798504 U CN202221798504 U CN 202221798504U CN 218739054 U CN218739054 U CN 218739054U
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- sleeve
- guide pin
- depth
- connecting rod
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Abstract
The utility model discloses an auxiliary guide pin implants with limit dark plain end abrasive drilling, including drill bushing and abrasive drilling, the abrasive drilling inserts the inside of locating the drill bushing, the head end of drill bushing is radius platform type, and the drill bushing contains sleeve, handheld portion and through-hole, telescopic head end is radius platform type, and handheld portion sets up in telescopic tail end, and the through-hole is seted up in handheld portion, and the through-hole is linked together with telescopic inside, and the abrasive drilling contains connecting rod, drill bit, stopper and connecting portion, the drill bit sets up in the head end of connecting rod, and the stopper sets up in the tail end of connecting rod, and connecting portion set up in the tail end of stopper. The utility model discloses can solve present breguet bone surgery robot and need put into the guide pin earlier before implanting the pedicle screw, have the guide pin skid, be difficult to along the accurate technical problem who puts into of planning scheme before the art.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to supplementary guide pin is implanted with limit for depth flat mouthful abrasive drilling.
Background
The breguet (TM) bone surgery robot is the only bone surgery robot system which can carry out the whole segment (cervical vertebra, thoracic vertebra, lumbar vertebra and sacral vertebra), pelvis and limb fracture surgery of the spine internationally at present. The robot can realize the auxiliary completion of the positioning of surgical instruments or implants by mechanical arms through the matching with a mobile X-ray diagnostic device (C-shaped X-ray machine). The nail is put in the art according to the planning mode simulation of the surgical formula selection of difference based on 2D or 3D image, through the calculation nail point of cominging in and going out and nail way of unique algorithm, and the accurate motion of arm is to the planning position, with the help of guide sleeve, puts into the route for the doctor provides stable guide pin. The physician can place the endoprostheses precisely, as per the intraoperative planning. According to the result of multi-center clinical test, compared with the traditional operation, the radiation amount in the operation is reduced by more than 70%, the operation is minimally invasive, the incision is small, the operation time and the bleeding amount in the operation are greatly reduced, and the method has obvious clinical advantages.
Aiming at thoracolumbar fracture surgery under robot navigation, currently, a hollow pedicle screw is used as a robot end tool (suggested to be changed into a therapeutic fixing mode), a guide pin needs to be arranged in advance before the pediculus screw is implanted in an orthopedic surgery robot, although the drilling point of the guide pin on the bone surface in a first-stage sleeve is planned by the robot in advance, the drilling point is usually on the slope surface of a joint protrusion, and therefore the technical defects that the guide pin slips and is difficult to accurately arrange along a preoperative planning scheme exist, and therefore the robot end tool needs to be improved, better accords with human engineering, better achieves human-machine combination, is convenient to operate, reduces errors, and is convenient to popularize and apply clinically.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide an auxiliary guide pin is implanted with limit for depth flat mouthful abrasive drilling.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides an auxiliary guide pin is implanted with flat mouthful abrasive drilling of limit for depth, includes drill bushing and abrasive drilling, the abrasive drilling is inserted and is located the inside of drill bushing, the head end of drill bushing is the radius platform type.
Preferably, the drill bushing comprises a sleeve, a handheld portion and a through hole, the head end of the sleeve is in an inverted circular truncated cone shape, the handheld portion is arranged at the tail end of the sleeve, the through hole is formed in the handheld portion, and the through hole is communicated with the inside of the sleeve.
Preferably, the handheld part is of a three-leaf petal-shaped structure.
Preferably, the total length of the sleeve and the handheld portion is 16.2cm, the outer diameter of the sleeve is 0.79cm, the inner diameter of the sleeve and the aperture of the through hole are both 0.6cm, the length of the head end of the sleeve is 1.03cm, the thickness of the handheld portion is 0.6cm, and the distance from the tip of one petal of the handheld portion to the midpoint between the other two petals is 3.1cm.
Preferably, the abrasive drilling contains connecting rod, drill bit, stopper and connecting portion, the drill bit sets up in the head end of connecting rod, and the stopper sets up in the tail end of connecting rod, and connecting portion set up in the tail end of stopper, and the inside of connecting rod, drill bit, stopper and connecting portion is provided with the second through-hole that communicates each other respectively.
Preferably, the drill bit is of a helical structure.
Preferably, the total length of the connecting rod and the drill bit is 16.45cm, the diameter of the connecting rod is 0.6cm, the length of the drill bit is 2cm, the length of the connecting part is 1.6cm, the diameter of the connecting part is 0.5cm, the diameter of the limiting block is 0.8cm, and the length of the limiting block is 1.2cm.
Compared with the prior art, the utility model, its beneficial effect lies in:
(1) The depth-limiting plain grinding drill for assisting the implantation of the guide pin, provided by the utility model, can remove vertebral body osteophytes before the guide pin is implanted, avoid the guide pin from slipping and easily deal with various complex vertebral body patients;
(2) The utility model can avoid the damage of muscle tissue and reduce the bleeding by the structural design that the sleeve and the head end of the sleeve are in the shape of inverted truncated cone;
(3) The utility model can limit the depth of the drill bit connected with the connecting rod by the limiting function of the limiting block on the connecting rod, so that the depth of the drill bit is limited by 1cm, and the deep structure is prevented from being damaged;
(4) The utility model is convenient for assembly and cleaning through the insertion design of the drill bushing and the grinding drill;
(5) The utility model discloses a design of the special structure of handheld portion, it is fixed to hand to whole abrasive drilling device in the doctor's operation process of being convenient for.
Drawings
Fig. 1 is a schematic structural view of a depth-limiting flat grinding drill for assisting implantation of a guide pin according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a drill bushing in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a grinding drill in an embodiment of the present invention;
in the figure: 1. drilling a sleeve; 101. a sleeve; 102. a hand-held portion; 103. a through hole; 2. grinding and drilling; 201. a connecting rod; 202. a limiting block; 203. a connecting portion; 204. a drill bit.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1 to 3, the embodiment of the utility model provides an auxiliary guide pin implants with limit for depth flat mouthful abrasive drilling, including drill bushing 1 and abrasive drilling 2, abrasive drilling 2 inserts the inside of locating drill bushing 1, the head end of drill bushing 1 is radius platform type, and the design of pegging graft of abrasive drilling 2 and drill bushing 1 is convenient for assemble and dismantle abrasive drilling 2 and drill bushing 1 to be convenient for wash.
The drill bushing 1 comprises a sleeve 101, a handheld portion 102 and a through hole 103, wherein the head end of the sleeve 101 is in an inverted circular truncated cone shape, the handheld portion 102 is arranged at the tail end of the sleeve 101, the through hole 103 is arranged on the handheld portion 102, and the through hole 103 is communicated with the interior of the sleeve 101. The handle 102 is a three-lobed petaloid configuration. The sleeve 101 and the design that the head end of the sleeve 101 is designed to be the inverted circular truncated cone-shaped structure can avoid damaging muscle tissues and reduce bleeding, the special structural design of the handheld portion 102 facilitates hand-held fixation of the whole abrasive drilling device in the operation process of a doctor, displacement of the device is avoided, and the through hole 103 facilitates insertion or extraction of the abrasive drilling device 2.
The total length of the sleeve 101 and the handheld portion 102 is 16.2cm, the outer diameter of the sleeve 101 is 0.79cm, the inner diameter of the sleeve 101 and the aperture of the through hole 103 are both 0.6cm, the length of the head end of the sleeve 101 is 1.03cm, the thickness of the handheld portion 102 is 0.6cm, and the distance from the tip of one petal of the handheld portion 102 to the midpoint between the other two petals is 3.1cm.
The abrasive drilling machine 2 comprises a connecting rod 201, a drill bit 204, a limiting block 202 and a connecting portion 203, wherein the drill bit 204 is arranged at the head end of the connecting rod 201, the limiting block 202 is arranged at the tail end of the connecting rod 201, and the connecting portion 203 is arranged at the tail end of the limiting block 202. The drill bit 204 has a helical configuration. The effect of drill bit 204 can be before the guide pin is put into, can get rid of centrum osteophyte, avoids the guide pin to skid, and the effect of stopper 202 is spacing to connecting rod 201, and then can carry on spacingly to the drill bit 204 that is connected with connecting rod 201, makes the working depth of drill bit 204 keep at 1cm to can avoid hindering and deep structure, the design of connecting portion 203 is convenient for be connected with current electric drill.
The total length of the connecting rod 201 and the drill bit is 16.45cm, the diameter of the connecting rod 201 is 0.6cm, the length of the drill bit 204 is 2cm, the length of the connecting part 203 is 1.6cm, the diameter of the connecting part 203 is 0.5cm, the diameter of the limiting block 202 is 0.8cm, and the length of the limiting block 202 is 1.2cm.
The tail end of the connecting part 203 is in a chamfered arc shape.
The embodiment of the utility model provides an auxiliary guide pin is implanted with limit dark flat mouth abrasive drilling when using, at first with the terminal of present breguet orthopedic surgery robot move to the position that needs the operation, put into the P30 or P40 (change into P45) director of breguet orthopedic surgery robot with drill bushing 1 in following, and make the head of drill bushing 1 enter into the position that needs the operation, be connected abrasive drilling 2 with the electric drill through connecting portion 203 subsequently, then insert sleeve 101 through the top of through-hole 103 with the drill bit 204 of abrasive drilling 2, restrict the degree of depth of drill bit 204 through stopper 202, make its drill bit 204 get into the degree of depth at the operation position and keep at 3mm, hand handheld portion 102 follows, utilize drill bit 204 to get rid of the centrum osteophyte through bregue orthopedic surgery robot, avoid follow-up guide pin to put into to skid, the osteophyte is got rid of after accomplishing, take out abrasive drilling 2 and drill bushing 1, then carry out the relevant treatment step that follow-up centrum was put into.
To sum up, the depth-limiting flat-nose burr for implantation of an auxiliary guide pin provided by the embodiment of the utility model can remove vertebral body osteophytes before the guide pin is implanted, avoid the guide pin from slipping, easily deal with various complex vertebral body patients, and avoid damaging muscle tissues and reduce bleeding by the structural design that the sleeve and the head end of the sleeve are in an inverted frustum shape; simultaneously, the limiting function of the limiting block on the connecting rod can limit the depth of the drill bit connected with the connecting rod, so that the depth of the drill bit is limited by 1cm, and the deep structure is prevented from being damaged.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The depth-limiting flat grinding drill for implantation of the auxiliary guide pin is characterized by comprising a drill sleeve (1) and a grinding drill (2), wherein the grinding drill (2) is inserted into the drill sleeve (1), and the head end of the drill sleeve (1) is in an inverted circular truncated cone shape;
the grinding drill (2) comprises a connecting rod (201), a drill bit (204), a limiting block (202) and a connecting portion (203), the drill bit (204) is arranged at the head end of the connecting rod (201), the limiting block (202) is arranged at the tail end of the connecting rod (201), and the connecting portion (203) is arranged at the tail end of the limiting block (202).
2. The depth-limiting flat burr grinding drill for assisting in implanting the guide pin according to claim 1, wherein the drill sleeve (1) comprises a sleeve (101), a handheld portion (102) and a through hole (103), a head end of the sleeve (101) is an inverted circular truncated cone, the handheld portion (102) is disposed at a tail end of the sleeve (101), the through hole (103) is opened on the handheld portion (102), and the through hole (103) is communicated with an interior of the sleeve (101).
3. The depth-limiting flat burr for implantation of an auxiliary guide pin according to claim 2, wherein said hand-held portion (102) has a three-lobed petal configuration.
4. The depth-limiting flat burr grinding drill for implantation of the auxiliary guide pin according to claim 2, wherein a total length of the sleeve (101) and the hand-held portion (102) is 16.2cm, an outer diameter of the sleeve (101) is 0.79cm, an inner diameter of the sleeve (101) and an aperture of the through hole (103) are both 0.6cm, a length of a head end of the sleeve (101) is 1.03cm, a thickness of the hand-held portion (102) is 0.6cm, and a distance from a tip of one petal of the hand-held portion (102) to a midpoint between the other two petals is 3.1cm.
5. The depth-limiting flat burr for implantation of an auxiliary guide pin according to claim 1, wherein said drill (204) has a helical structure.
6. The depth-limiting flat mouth burr drill for implantation of an auxiliary guide pin according to claim 1, wherein a total length of the connecting rod (201) and the drill bit is 16.45cm, a diameter of the connecting rod (201) is 0.6cm, a length of the drill bit (204) is 2cm, a length of the connecting portion (203) is 1.6cm, a diameter of the connecting portion (203) is 0.5cm, a diameter of the stopper (202) is 0.8cm, and a length of the stopper (202) is 1.2cm.
7. The depth-limiting flat burr grinding drill for auxiliary guide pin implantation of claim 1, wherein a tail end of said connecting portion (203) is in a shape of a chamfered arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221798504.9U CN218739054U (en) | 2022-07-12 | 2022-07-12 | Depth-limiting plain grinding drill for assisting in implanting guide pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221798504.9U CN218739054U (en) | 2022-07-12 | 2022-07-12 | Depth-limiting plain grinding drill for assisting in implanting guide pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218739054U true CN218739054U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221798504.9U Active CN218739054U (en) | 2022-07-12 | 2022-07-12 | Depth-limiting plain grinding drill for assisting in implanting guide pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218739054U (en) |
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2022
- 2022-07-12 CN CN202221798504.9U patent/CN218739054U/en active Active
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