CN219250330U

CN219250330U - Bone drill subassembly convenient to change drill bit

Info

Publication number: CN219250330U
Application number: CN202223260462.6U
Authority: CN
Inventors: 钟书杰; 钟晨
Original assignee: Zhenjiang Renjie Medical Devices Co ltd
Current assignee: Zhenjiang Renjie Medical Devices Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-06-27
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a bone drill component convenient for replacing a drill bit, which comprises a main body component, wherein a drilling component is movably connected inside one end of the main body component, a ranging component is fixedly arranged on the upper side surface of the main body component, a handheld component is fixedly arranged on the lower side surface of the main body component, the main body component comprises a gun barrel, and a battery is movably arranged inside one end of the gun barrel. According to the utility model, the drill bit can be quickly replaced by matching the main body component with the drilling component, meanwhile, the drill bit can be fixed, and the surface falls off during drilling, so that the safety of the bone drill component can be ensured.

Description

Bone drill subassembly convenient to change drill bit

Technical Field

The utility model relates to the field of bone drill components, in particular to a bone drill component convenient for replacing a drill bit.

Background

Bone drill is used in medical field usually, use when carrying out the bone surgery, punch to patient's bone, so that carry out operation work, in order to improve the work efficiency of bone surgery, the drill bit of general use needs to have the characteristic of being convenient for change, wherein "the bone drill of convenient bit of changing" that the application number is "CN201720392078.1" disclosed is also the technique of becoming mature day by day, "through the change of different drill bits, not only can bore, the return spring can fix the drill bit, can better work when the drill bit is hard, the bone drill can the lantern ring saw use, increase the accuracy of shaping, reduce the risk" that the trephine used, but this bone drill still has following defect in the use: the bone drill can be conveniently clamped by matching the set return spring with the drill bit, and meanwhile, the drill bit is convenient to replace, but the drill bit is only fixed through the return spring, so that the quick replacement function can be achieved, the fixing effect of the spring is unstable, and on the basis, the bone drill which is convenient to replace and can be fixed is provided;

the skull drill disclosed in the application number CN201721805366.1 is also an increasingly mature technology, and can automatically drill through and stop, so that brain drilling operation is safer and more efficient, and the probability of drilling failure or damage to other tissues due to too deep penetration of a drill bit into bones can be reduced; whether drilling is needed to be continued or not can be judged according to the position of the drill bit, starting and stopping of the skull drill can be automatically controlled, and the operation is simple and efficient; the skull drill main body can be combined with drills with different outer diameters to meet different clinical requirements, but the skull drill has the following defects in the use process: the bone drill can reduce the risk of drilling failure or bone through the bone drill component capable of automatically drilling through and stopping, but the risk still exists by only drilling the bone through the hand feeling of a doctor, and based on the bone drill, the bone drill component capable of detecting the depth of the drill bit and simultaneously starting and stopping in time is necessary to reduce the risk.

Disclosure of Invention

The present utility model is directed to a bone drill assembly that facilitates replacement of a drill bit, and solves the above-mentioned problems associated with the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the bone drill assembly comprises a main body assembly, wherein a drilling assembly is movably connected to one end of the main body assembly, a ranging assembly is fixedly arranged on the upper side surface of the main body assembly, and a handheld assembly is fixedly arranged on the lower side surface of the main body assembly;

the main body assembly comprises a gun barrel, a battery is movably mounted in one end of the gun barrel, a connecting cover is detachably connected to one end of the gun barrel, and a rotating block is fixedly connected to the surface of the connecting cover.

As a preferable scheme of the utility model, one end of the gun barrel is provided with an annular groove, the surface of the connecting cover is fixedly connected with a spiral ring, and the spiral ring is in threaded connection with the inside of the annular groove.

As a preferable scheme of the utility model, the drilling assembly comprises a connector arranged in the other end of the gun barrel, a drill rod is movably inserted in the connector, one end of the drill rod is fixedly connected with a drill bit, and a lock hole is formed in the side surface of the connector.

As a preferable scheme of the utility model, the surface of the connector is provided with a rod groove, the inner side wall of the rod groove is fixedly provided with three clamping strips, the side surface of the drill rod is provided with three clamping grooves, and the three clamping strips are movably clamped in the clamping grooves.

As a preferable scheme of the utility model, the distance measuring assembly comprises a connecting seat arranged on the upper side surface of the gun barrel, and a distance measuring instrument is fixedly connected to the upper end of the connecting seat.

As a preferable scheme of the utility model, the handheld assembly comprises a gun handle arranged on the lower side surface of the gun barrel, wherein the surface of the gun handle is fixedly connected with a telescopic rod, and one end of the telescopic rod is fixedly connected with a switch.

As a preferable scheme of the utility model, the drill rod and the drill bit are made of alloy steel.

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

1. according to the utility model, the drill bit can be quickly replaced by matching the main body component with the drilling component, the drill bit can be fixed, and the drill bit is prevented from falling off, when the drill bit is replaced, the matched key is firstly inserted into the lock hole, the three clamping bars are screwed to be loose and inwards contracted and separated from the clamping groove, then the connecting end is screwed to be abandoned for fixing the drill rod, then the drill bit is taken out, when a new drill bit is used, the drill rod is inserted into the rod groove, the three drill rods are screwed to control the three drill rods to extend and be clamped in the clamping groove, the connecting end and the gun barrel are simultaneously rotated for fixing, and meanwhile, the drill bit and the gun barrel are fixed.

2. According to the utility model, the distance measuring assembly is matched with the handheld assembly, so that the dimension of the drill bit extending into the bone can be accurately measured, the bone drill can be protected and stable during work, after the gun handle is held, the battery is controlled to be electrified by pressing the switch to shrink inwards, the drill bit is driven to drill the bone by matching with the transmission assembly, in the process, the distance measuring instrument can detect the depth of the drill bit penetrating into the bone, and meanwhile, a doctor holds the gun handle by hand, so that the bone drill assembly can be kept stable.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a disassembled view of the body assembly and ranging assembly of the present utility model;

FIG. 3 is a disassembled view of the drilling assembly of the present utility model.

In the figure: 1. a body assembly; 11. a gun barrel; 12. a battery; 13. a connection cover; 14. a rotating block; 111. an annular groove; 131. a spiro ring; 2. a drilling assembly; 21. a connector; 22. a drill rod; 23. a drill bit; 24. a lock hole; 211. a rod groove; 212. clamping strips; 213. a clamping groove; 3. a ranging assembly; 31. a connecting seat; 32. a range finder; 4. a hand-held assembly; 41. a gun handle; 42. a telescopic rod; 43. and (3) a switch.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.

Referring to fig. 1-3, the present utility model provides a technical solution: the bone drill component convenient for replacing the drill bit comprises a main body component 1, wherein a drilling component 2 is movably connected inside one end of the main body component 1, a ranging component 3 is fixedly arranged on the upper side surface of the main body component 1, and a handheld component 4 is fixedly arranged on the lower side surface of the main body component 1;

the main body assembly 1 comprises a gun barrel 11, a battery 12 is movably arranged in one end of the gun barrel 11, a connecting cover 13 is detachably connected to one end of the gun barrel 11, and a rotating block 14 is fixedly connected to the surface of the connecting cover 13.

Specifically, not only can change drill bit 23 fast through main part subassembly 1 cooperation drilling subassembly 2, can also fix it simultaneously, make it keep stable when drilling, reduce the risk of operation, in addition, can not only stretch into the degree of depth of bone to drill bit 23 through the handheld subassembly 4 of range finding subassembly 3 cooperation and carry out accurate measurement, make drilling more accurate, can also make the bone drill subassembly reduce the range of shake when drilling simultaneously, consequently can improve the security of operation, gun barrel 11 is used for installing fixedly battery 12 and drive assembly, connecting lid 13 is used for spacing battery 12, turning piece 14 is convenient for more laborsaving when dismantling connecting lid 13.

In this embodiment: an annular groove 111 is formed in one end of the gun barrel 11, a spiral ring 131 is fixedly connected to the surface of the connecting cover 13, and the spiral ring 131 is in threaded connection with the inside of the annular groove 111.

Specifically, by screwing the spiral ring 131 inside the annular groove 111, the gun barrel 11 can be sealed by the connection cover 13, and the connection cover is convenient to disassemble and replace the battery 12.

In this embodiment: the drilling assembly 2 comprises a connector 21 arranged in the other end of the gun barrel 11, a drill rod 22 is movably inserted in the connector 21, one end of the drill rod 22 is fixedly connected with a drill bit 23, and a lock hole 24 is formed in the side surface of the connector 21.

Specifically, the connector 21 not only can be used for fixing the drill rod 22, but also can be connected with the gun barrel 11, the drill bit 23 is used for drilling the bone of a patient, and the lock hole 24 is matched with a proper key for locking the drill rod 22.

In this embodiment: the surface of the connector 21 is provided with a rod groove 211, the inner side wall of the rod groove 211 is fixedly provided with three clamping bars 212, the side surface of the drill rod 22 is provided with three clamping grooves 213, and the three clamping bars 212 are movably clamped in the clamping grooves 213.

Specifically, the rod groove 211 is matched with three clamping bars 212 inside the rod groove and is clamped inside the clamping groove 213, so that the drill rod 22 can be fixed, and the drill bit 23 and the gun barrel 11 can be fixed by matching the connector 21.

In this embodiment: the range finding assembly 3 comprises a connecting seat 31 arranged on the upper side surface of the gun barrel 11, and a range finder 32 is fixedly connected to the upper end of the connecting seat 31.

Specifically, the depth of the drill bit 23 extending into the bone can be monitored through the range finder 32, and meanwhile, the start and stop of the drill bit 23 can be accurately controlled by matching with the handheld assembly 4, so that the safety of an operation is guaranteed.

In this embodiment: the hand-held assembly 4 comprises a gun handle 41 arranged on the lower side surface of the gun barrel 11, a telescopic rod 42 is fixedly connected to the surface of the gun handle 41, and a switch 43 is fixedly connected to one end of the telescopic rod 42.

Specifically, the gun handle 41 is used for being held by a doctor so as to stabilize the gun barrel 11 and reduce the vibration amplitude of the drill bit 23 during drilling, and the switch 43 is used for powering the transmission assembly through the stationary battery 12 so as to control the rotation of the drill bit 23.

In this embodiment: the drill rod 22 and the drill bit 23 are both made of alloy steel.

Specifically, the drill rod 22 and the drill bit 23 made of alloy steel not only can improve the strength of the drill rod, but also can ensure the drilling quality.

Working principle: when the drill bit 23 is replaced, firstly, an adaptive key is inserted into the lock hole 24, the three clamping bars 212 are controlled by screwing the key to retract inwards and separate from the clamping groove 213, then the connector 21 is rotated to abandon the fixing of the drill rod 22, so that the drill rod 22 and the drill bit 23 can be pulled out of the rod groove 211, then a new drill rod 22 is inserted into the rod groove 211, the key is controlled by screwing the clamping bars 212 to extend out and be clamped in the clamping groove 213, so that the drill rod 22 is primarily clamped, then the connector 21 and the gun barrel 11 are rotated to be connected and fixed, so that the drill bit 23 can be fixed, when the drilling work is performed, the driving assembly drives the drill bit 23 to drill a bone, in the process, the distance meter 32 monitors the depth of the drill bit 23 extending into the bone, and meanwhile, the gun barrel 11 can be kept stable by a doctor, the shaking amplitude is reduced, and the accurate drilling work of the bone is completed.

Claims

1. Bone drill subassembly convenient to change drill bit, including main part subassembly (1), its characterized in that: a drilling assembly (2) is movably connected inside one end of the main body assembly (1), a ranging assembly (3) is fixedly arranged on the upper side surface of the main body assembly (1), and a handheld assembly (4) is fixedly arranged on the lower side surface of the main body assembly (1);

the gun barrel comprises a gun barrel body (1), a battery (12) is movably mounted in one end of the gun barrel body (11), a connecting cover (13) is detachably connected to one end of the gun barrel body (11), and a rotating block (14) is fixedly connected to the surface of the connecting cover (13).

2. A bone drill assembly for facilitating replacement of a drill bit as recited in claim 1, wherein: an annular groove (111) is formed in one end of the gun barrel (11), a spiral ring (131) is fixedly connected to the surface of the connecting cover (13), and the spiral ring (131) is in threaded connection with the inside of the annular groove (111).

3. A bone drill assembly for facilitating replacement of a drill bit as recited in claim 1, wherein: the drilling assembly (2) comprises a connector (21) arranged in the other end of the gun barrel (11), a drill rod (22) is movably inserted into the connector (21), one end of the drill rod (22) is fixedly connected with a drill bit (23), and a lock hole (24) is formed in the side surface of the connector (21).

4. A bone drill assembly for facilitating replacement of a drill bit as recited in claim 3, wherein: the surface of connector (21) has seted up pole groove (211), the inside wall fixed mounting in pole groove (211) has three draw-in groove (212), three draw-in groove (213) have been seted up on the side surface of drilling rod (22), three draw-in groove (212) all activity joint is in the inside of draw-in groove (213).

5. A bone drill assembly for facilitating replacement of a drill bit as recited in claim 1, wherein: the range finding subassembly (3) is including installing in connecting seat (31) of barrel (11) upside surface, the upper end fixedly connected with distancer (32) of connecting seat (31).

6. A bone drill assembly for facilitating replacement of a drill bit as recited in claim 1, wherein: the handheld assembly (4) comprises a gun handle (41) arranged on the lower side surface of the gun barrel (11), a telescopic rod (42) is fixedly connected to the surface of the gun handle (41), and a switch (43) is fixedly connected to one end of the telescopic rod (42).

7. A bone drill assembly for facilitating replacement of a drill bit as recited in claim 3, wherein: the drill rod (22) and the drill bit (23) are made of alloy steel.