CN214285070U

CN214285070U - Bent perforator

Info

Publication number: CN214285070U
Application number: CN202022447018.XU
Authority: CN
Inventors: 马钲斐; 王斌; 陆一鸣
Original assignee: Northern Jiangsu Peoples Hospital
Current assignee: Northern Jiangsu Peoples Hospital
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-28
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to the technical field of medical equipment, and a curved perforator is disclosed, including the gyro wheel ball, the gyro wheel ball is the circular shape spheroid, and the round hole has been seted up to the outer wall of gyro wheel ball, and the round hole is circular hole, and the internal face of round hole has the pivot through loose bearing swing joint, and both ends are provided with the fixed block respectively around the pivot. The utility model discloses when using, at first choose the curved perforator of suitable model for use according to the operation demand, at this moment embolia the pin with soft thin needle and drill bit again, when performing the operation, drill bit perpendicular to bone surface, suitably enlarge the drilling of cortex of bone, drill the bone and carry out the limit on one side and bore according to the operation needs after osteoclastic cortex is bored to the drill bit, until drilling out homonymy cortex of bone, after drilling, take out the perforator carefully again, like this alright carry out operation on next step, compare traditional drilling of directly appearing, the problem of clinical unable safe accurate drilling out curved bone tunnel has been solved, indirect effect for clinical more operation modes has been opened up.

Description

Bent perforator

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to curved perforator.

Background

Bone tunnels are widely used in orthopedic surgery, such as fracture internal fixation and tendon insertion reconstruction. At present, the bone tunnels are usually opened clinically by using kirschner wires and the like, and the bone tunnels are all straight tunnels. However, a curved tunnel is required to be opened in clinic frequently, and due to the fact that no special tool is provided, only a more complicated and more traumatic method can be abandoned, and the tunnel can be opened at a part with thinner cortex lycii, such as phalanges, by using a suture needle, but fracture and fracture of the suture needle are prone to be detained in bones, and local damage is large, so that a curved drilling device is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide the curved perforator.

In order to achieve the above object, the present invention adopts the following technical solution, a curved drilling device, comprising a roller ball, wherein the roller ball is a circular ball body, the outer wall surface of the roller ball is provided with a circular hole, the circular hole is a circular hole, the inner wall surface of the circular hole is movably connected with a rotating shaft through a movable bearing, the front end and the rear end of the rotating shaft are respectively provided with a fixed block, the fixed blocks are rectangular blocks, one side wall surface of the two fixed blocks close to each other is respectively provided with a circular groove, the inner wall surface of the two circular grooves is respectively movably connected with the front end and the rear end of the rotating shaft through the movable bearing, the right wall surface of the two fixed blocks is fixedly connected with a connecting block, the connecting block is rectangular block, the right wall surface of the connecting block is fixedly provided with a stop lever, the stop lever is circular rod-shaped, the rear end of the stop lever is fixedly provided with a handheld lever, the handheld lever is circular rod-shaped, the outer wall surface of the handheld lever is provided with equally spaced threads, the outer wall surface of the blocking rod is movably connected with a fixing piece, the fixing piece is in a semicircular appearance, the inside of the fixing piece is hollow, the lower end of the fixing piece is open, the fixing piece has elasticity, and the upper end of the fixing piece is in a horizontal angle.

Preferably, the upper end of the fixing piece is fixedly provided with a second connecting block, the upper wall surface of the second connecting block is fixedly provided with a clamping piece, the clamping piece is in a semicircular appearance, and the inside of the clamping piece is hollow.

Preferably, the lower end of the clamping piece is in a horizontal angle, the clamping piece has elasticity, the upper end of the clamping piece is open, and second threads are arranged on the inner wall surface of the clamping piece at equal intervals.

Preferably, the interior of the clamping piece is movably connected with a sleeve, the sleeve is a circular hose, the interior of the sleeve is hollow, and a rotatable soft and thin needle is arranged in the sleeve.

Preferably, a drill bit is fixedly mounted at the upper end of the soft fine needle, and the right end of the soft fine needle is connected with the external electric drill.

The utility model provides a curved perforator. The method has the following beneficial effects:

(1) this curved perforator, when using, at first choose the curved perforator of suitable model for use according to the operation demand, at this moment embolia the pin with soft thin needle and drill bit again, when performing the operation, drill the drill bit perpendicular to bone surface, suitably enlarge the drilling of cortex lycii, drill the bone cortex at the drill bit and carry out the limit crimp after boring osteoclastic cortex according to the operation needs and bore, until drilling out homonymy cortex lycii, after drilling, take out the perforator again carefully, alright carry out operation on next step like this, compare traditional straight drilling, the problem of clinical unable safe accurate stability drilling out curved bone tunnel has been solved, open up the effect of more operation modes indirectly for clinical.

(2) This curved perforator, the pin left end is provided with the gyro wheel ball that can rotate, and the gyro wheel ball is through pivot and two fixed block swing joint, the pin links together with the connecting block, the pin when the drill bit is drilled the operation, can prevent that the drill bit from drilling into too deeply and leading to boring to wear the offside or can't drill out, when the drill bit is drilled the operation, at first can laminate gyro wheel ball and patient's skin, drilling equipment alright support and remove through gyro wheel ball and pin like this, and the surface of gyro wheel ball is comparatively smooth, thereby reach the effect that reduces tissue damage.

(3) This bending perforator, swing joint has the stationary blade on the pin, and stationary blade self has elasticity, the inside hollow that is of pin, at first get into the outer wall of pin through self elasticity joint with the stationary blade when the installation, and the stationary blade installs the holding piece through the second connecting block, holding piece self also has elasticity, and the second screw thread has been seted up to the holding piece internal face, the right-hand member of pin is connected with handheld pole, the outer wall of handheld pole has also seted up the screw thread, holding piece and screw thread limit can change fixedly or handheld fixed to some other apparatus through second screw thread and screw thread like this, thereby reach the fixed effect of convenient apparatus.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is an enlarged view of a in fig. 1 according to the present invention.

Illustration of the drawings:

1. a roller ball; 2. a circular hole; 3. a rotating shaft; 4. a fixed block; 5. a circular groove; 6. connecting blocks; 7. a stop lever; 8. a hand-held wand; 9. a thread; 10. a fixing sheet; 11. a second connecting block; 12. a clamping piece; 13. a second thread; 14. a sleeve; 15. soft and fine needles; 16. a drill bit.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the bent perforator is shown in figures 1-2 and comprises a roller ball 1, wherein the roller ball 1 is a round ball body, the outer wall surface of the roller ball 1 is provided with a round hole 2, the round hole 2 is a round hole, the inner wall surface of the round hole 2 is movably connected with a rotating shaft 3 through a movable bearing, the front end and the rear end of the rotating shaft 3 are respectively provided with a fixed block 4, the fixed blocks 4 are in a rectangular block shape, one side wall surface of each of the two fixed blocks 4 close to each other is respectively provided with a round groove 5, the inner wall surfaces of the two round grooves 5 are respectively movably connected with the front end and the rear end of the rotating shaft 3 through the movable bearing, the right wall surfaces of the two fixed blocks 4 are fixedly connected with a connecting block 6, the connecting block 6 is in a rectangular block shape, the right wall surface of the connecting block 6 is fixedly provided with a blocking rod 7, the blocking rod 7 is in a round rod shape, the rear end of the blocking rod 7 is fixedly provided with a hand-holding rod 8, the hand-holding rod 8 is in a round rod shape, the outer wall surface of the handheld rod 8 is provided with threads 9 which are arranged at equal intervals, the outer wall surface of the blocking rod 7 is movably connected with a fixing piece 10, the fixing piece 10 is in a semicircular appearance, the inside of the fixing piece 10 is hollow, the lower end of the fixing piece 10 is in an open type, the fixing piece 10 is elastic, the upper end of the fixing piece 10 is in a horizontal angle, the upper end of the fixing piece 10 is fixedly provided with a second connecting block 11, the upper wall surface of the second connecting block 11 is fixedly provided with a clamping piece 12, the clamping piece 12 is in a semicircular appearance, the inside of the clamping piece 12 is hollow, the lower end of the clamping piece 12 is in a horizontal angle, the clamping piece 12 is elastic, the upper end of the clamping piece 12 is in an open type, the inner wall surface of the clamping piece 12 is provided with second threads 13 which are arranged at equal intervals, the inside of the clamping piece 12 is movably connected with a sleeve 14, and the sleeve 14 is a circular hose, and the inside of sleeve 14 is hollow, the inside of sleeve 14 is provided with soft thin needle 15 that can rotate, soft thin needle 15's upper end fixed mounting has drill bit 16, and drill bit 16 is current structure, does not do the repetition here, soft thin needle 15's right-hand member with outside electric drill is connected.

The utility model discloses a theory of operation: when using, at first choose the curved perforator of suitable model for use according to the operation demand, at this moment embolia pin 7 with soft thin needle 15 and drill bit 16 again, when performing the operation, drill bit 16 perpendicular to bone surface, suitably enlarge the drilling of cortex of bone, drill bit 16 bores the bone and carries out the limit crimp drill according to the operation needs after osteoclastic cortex, until drilling out homonymy cortex of bone, after drilling, take out the perforator again carefully, so alright carry out operation on next step, compare traditional straight drilling, the problem of clinical unable safe accurate stability drilling out curved bone tunnel has been solved, open up the effect of more operation modes for clinical indirect.

The 7 left ends of pin are provided with gyro wheel ball 1 that can rotate, and gyro wheel ball 1 is through pivot 3 and 4 swing joint of two fixed blocks, pin 7 links together with connecting block 6, pin 7 is when drill bit 16 is drilled the operation, can prevent that drill bit 16 from drilling into too deeply and leading to the brill to pass the offside or can't drill out, when drill bit 16 is drilled the operation, at first can laminate gyro wheel ball 1 and patient's skin, drilling equipment alright support and remove with through gyro wheel ball 1 and pin 7 like this, and the surface of gyro wheel ball 1 is comparatively smooth, thereby reach the effect that reduces tissue damage.

Swing joint has stationary blade 10 on pin 7, and stationary blade 10 self has elasticity, 7 insides of pin are hollow, when the installation at first get into 7 outer walls of pin with stationary blade 10 through self elasticity joint, and stationary blade 10 installs holding piece 12 through second connecting block 11, holding piece 12 self also has elasticity, and 12 internal faces of holding piece have seted up second screw thread 13, the right-hand member of pin 7 is connected with handheld pole 8, screw thread 9 has also been seted up to 8 outer walls of handheld pole, holding piece 12 and screw thread 9 limit can be changed fixedly or handheld fixedly to some other apparatus through second screw thread 13 and screw thread 9 like this, thereby reach the effect that makes things convenient for the apparatus to fix.

Claims

1. Bent shape drilling ware, including gyro wheel ball (1), its characterized in that: the outer wall surface of the roller ball (1) is provided with a round hole (2), the inner wall surface of the round hole (2) is movably connected with a rotating shaft (3) through a movable bearing, the front end and the rear end of the rotating shaft (3) are respectively provided with a fixed block (4), the right wall surfaces of the two fixed blocks (4) are fixedly connected with a connecting block (6), the right wall surface of the connecting block (6) is fixedly provided with a stop lever (7), and the rear end of the stop lever (7) is fixedly provided with a handheld lever (8);

the outer wall surface of the hand-held rod (8) is provided with threads (9) which are arranged at equal intervals, the outer wall surface of the blocking rod (7) is movably connected with a fixing piece (10), and the fixing piece (10) has elasticity;

a second connecting block (11) is fixedly installed at the upper end of the fixing piece (10), a clamping piece (12) is fixedly installed on the upper wall surface of the second connecting block (11), the clamping piece (12) has elasticity, and second threads (13) which are arranged at equal intervals are formed in the inner wall surface of the clamping piece (12);

the interior of the clamping piece (12) is movably connected with a sleeve (14), and a rotatable soft thin needle (15) is arranged in the sleeve (14).

2. The curved reamer of claim 1, wherein: the upper end fixed mounting of soft thin needle (15) has drill bit (16), the right-hand member of soft thin needle (15) is connected with outside electric drill.

3. The curved reamer of claim 1, wherein: circular grooves (5) are formed in one side wall face, close to each other, of each of the two fixing blocks (4), and the inner wall faces of the two circular grooves (5) are movably connected with the front end and the rear end of the rotating shaft (3) through movable bearings.