CN105147386A - Bone grafting hopper component - Google Patents

Abstract

The invention discloses a bone grafting funnel assembly, which comprises a bone grafting handle, a U-shaped pressing sleeve is provided at the upper right end of the bone grafting handle, a fixed connection seat is integrally provided at the upper left end of the bone grafting handle, and a fixing hole is provided in the center of the fixed connection seat , the upper end of the bone grafting handle runs through the U-shaped pressure sleeve with a conduit, and the left end of the conduit is connected to the fixing hole, the upper end of the conduit is provided with a funnel, the right end of the conduit is provided with a piston rod and piston in turn, and the right end of the conduit is provided with a needle for connecting the puncture hole. The locking nut of the needle sleeve assembly is provided with a handle at the left end of the piston rod. Beneficial effects of the present invention: the bone grafting funnel assembly of the present invention is used in conjunction with the puncture needle sleeve assembly in the bone grafting funnel assembly, which can shorten the bone grafting time and reduce the pain caused by the operation to the patient.

Description

Bone Graft Funnel Assembly

technical field

The invention relates to the technical field of medical instruments, in particular to a bone implant funnel assembly suitable for orthopedic surgery.

Background technique

Osteoporosis, or osteoporosis, is a group of bone diseases caused by a variety of reasons. Bone tissue has normal calcification, and the ratio of calcium salt to matrix is normal. It is a metabolic bone lesion characterized by a decrease in the amount of bone tissue per unit volume. . In most cases of osteoporosis, the loss of bone tissue is mainly due to increased bone resorption. Characterized by bone pain and susceptibility to fractures. The most common symptom of primary osteoporosis is low back pain, accounting for 70%-80% of pain patients. The pain spreads down the spine to the sides and is relieved when lying on the back or sitting. Generally, pain occurs when the bone mass is lost by more than 12%. In senile osteoporosis, the vertebral body is compressed and deformed, the spine protrudes, muscle fatigue and even spasm, resulting in pain.

The use of traditional bone grafting surgical instruments is cumbersome, and it is inconvenient for doctors to operate, which prolongs the time for patients to operate.

Contents of the invention

In view of the above-mentioned problems in the related art, the present invention proposes a bone implant funnel assembly, which can shorten the bone graft time and reduce the pain caused by the operation to the patient.

For realizing above-mentioned technical purpose, technical scheme of the present invention is realized like this:

A bone grafting funnel assembly, comprising a bone grafting handle, a U-shaped pressing sleeve is provided at the upper right end of the bone grafting handle, a fixed connection seat is integrally provided at the upper left end of the bone grafting handle, and a fixed connection seat is provided at the center of the fixed connection seat Fixing hole, the upper end of the bone grafting handle is provided with a catheter through the U-shaped pressure sleeve, and the left end of the catheter is connected to the fixing hole, the upper end of the catheter is provided with a funnel, and the right end of the catheter is sequentially provided with a piston Rod and piston, the outside of the right end of the catheter is provided with a lock nut for connecting the puncture needle cover assembly, and the left end of the piston rod is provided with a handle.

Further, the lower end of the funnel is dug with a semicircular groove, and the left end of the conduit is provided with a notch matching the semicircular groove.

Further, the right end of the conduit is provided with a thin shaft 1, the left end of the piston rod is provided with a connector matching the handle, and the connector is provided with a pin hole; the center of the piston is provided with a through hole 1, The right end of the through hole 1 is provided with a chamfer, and the right end of the piston rod is provided with a thin shaft 2 matching the through hole 1.

Further, the tail end of the thin shaft 1 is fixed with a retaining ring to prevent the locking nut from falling out.

Further, the right end of the bone graft handle is provided with a threaded hole 1, and the U-shaped pressure sleeve is provided with a light hole 1 corresponding to the threaded hole 1. The head screws are fixedly connected.

Further, the upper left end of the bone grafting handle is provided with a round hole, and the bone grafting handle is provided with a locking pressing block through the round hole, and the locking pressing block includes a left pressing block and a right pressing block, and the left pressing block The center of the block is provided with threaded hole 2, the center of the right pressing block is provided with the light hole 2 corresponding to the threaded hole 2, and the upper ends of the left pressing block and the right pressing block are symmetrically provided with circular arcs matching the conduit , the threaded hole two and the light hole two are fixedly connected by compression screws.

Further, the guide screw plug includes a right shaft and a left shaft integrally arranged, the center of the guide screw plug is provided with a through hole 2, and the handle is connected with the connecting head on the piston rod through the second through hole, and the right The shaft and the catheter are fixedly connected by threads.

Further, straight grooves are provided on the outer side of the left shaft of the guide screw plug.

Further, the handle is provided with a hole, and a pin for fixing the handle and the piston rod is arranged in the hole and the pin hole.

Further, the handle of the bone graft handle is provided with a groove.

Beneficial effects of the present invention: the bone grafting funnel assembly of the present invention is used in conjunction with the puncture needle sleeve assembly in the bone grafting funnel assembly, which can shorten the bone grafting time and reduce the pain caused by the operation to the patient.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural diagram of bone grafting funnel of the present invention;

Fig. 2 is the structural diagram of piston of the present invention;

Fig. 3 is the structural diagram of piston rod of the present invention;

Fig. 4 is the structural diagram of catheter of the present invention;

Fig. 5 is the front view of U-shaped gland of the present invention;

Fig. 6 is the right view of the U-shaped gland of the present invention;

Fig. 7 is the front view of funnel of the present invention;

Fig. 8 is the left side view of funnel of the present invention;

Fig. 9 is a structural diagram of a compression screw of the present invention;

Fig. 10 is a structural diagram of the locking briquetting block of the present invention;

Fig. 11 is a structural diagram of the bone graft handle of the present invention;

Fig. 12 is a structural diagram of the guide screw plug of the present invention;

Fig. 13 is the front view of the handle of the present invention;

Fig. 14 is a left view of the handle of the present invention;

Fig. 15 is a structural diagram of a lock nut of the present invention;

Fig. 16 is a structural diagram of the retaining ring of the present invention;

Fig. 17 is a structural diagram of an inner puncture needle sleeve assembly used in conjunction with the bone graft funnel of the present invention.

In the picture:

1. Bone graft handle; 2. U-shaped pressure sleeve; 3. Fixed connection seat; 4. Fixing hole; 5. Catheter; 6. Funnel; 7. Piston rod; 8. Piston; 9. Lock nut; 10. Handle ;11, semicircular groove; 12, notch; 13, thin shaft one; 14, connector; 15, pin hole; 16, through hole one; 17, chamfering; 18, thin shaft two; 19, retaining ring; 20 , threaded hole one; 21, light hole one; 22, slotted countersunk head screw; 23, round hole; 24, locking pressure block; 25, threaded hole two; 26, light hole two; 27, circular arc; 28 29, guide screw plug; 30, right shaft; 31, left shaft; 32, pin; 33, groove; 34, through hole two; 35, ruled grain; 36, hole.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in Figure 1-17, a bone graft funnel assembly according to an embodiment of the present invention includes a bone graft handle 1, a U-shaped pressure sleeve 2 is provided at the upper right end of the bone graft handle 1, and the bone graft The upper left end of the handle 1 is integrally provided with a fixed connection seat 3, and the center of the fixed connection seat 3 is provided with a fixed hole 4, and the upper end of the bone graft handle 1 is provided with a conduit 5 through the U-shaped compression sleeve 2, and the The left end of the catheter 5 is connected to the fixing hole 4, the upper end of the catheter 5 is provided with a funnel 6, the right end of the catheter 5 is sequentially provided with a piston rod 7 and a piston 8, and the outside of the right end of the catheter 5 is provided with a needle for connecting the puncture. The locking nut 9 of the needle cover assembly, the left end of the piston rod 7 is provided with a handle 10 .

In a specific embodiment, the lower end of the funnel 6 is dug with a semicircular groove 11, and the left end of the catheter 5 is provided with a notch 12 matching the semicircular groove 11. When welded together, implantation can be realized. The material enters in the catheter 5 through the funnel 6, and then performs the bone grafting operation.

In a specific embodiment, the right end of the conduit 5 is provided with a thin shaft 13, and the left end of the piston rod 7 is provided with a connector 14 matching the handle 10, and the connector 14 is provided with a pin hole 15. The center of the piston 8 is provided with a through hole 16, the right end of the through hole 16 is provided with a chamfer 17, and the right end of the piston rod 7 is provided with a thin shaft 2 18 matching the through hole 16.

In a specific embodiment, the tail end of the handle 10 is fixed with a retaining ring 19 to prevent the lock nut 9 from coming out, and the lock nut 66 can be rotated to the right for connecting the puncture needle sleeve assembly and the bone graft. Funnel component.

In a specific embodiment, the right end of the bone graft handle 1 is provided with four symmetrical threaded holes 20, and the U-shaped compression sleeve 2 is provided with four chamfered holes corresponding to the threaded holes 120. Light hole one 21, the light hole one 21 and the threaded hole one 20 are fixedly connected by slotted countersunk screws 22 .

In a specific embodiment, the upper left end of the bone graft handle 1 is provided with a round hole 23, and the bone graft handle 1 is provided with a locking pressing block 24 through the round hole 23, and the locking pressing block 24 includes a left Press block and right press block, the center of described left press block is provided with threaded hole two 25, the center of described right press block is provided with the light hole two 26 corresponding with threaded hole two 25, described left press block and right press block The upper end of the pressure block is symmetrically provided with an arc 27 matching the conduit 5 , and the second threaded hole 25 and the second light hole 26 are fixedly connected by a compression screw 28 .

In a specific embodiment, the guide screw plug 29 includes a right shaft 30 and a left shaft 31 integrally arranged, the center of the guide screw plug 29 is provided with a second through hole 34, and the handle 10 passes through the second through hole 34 Connected with the connecting head 14 on the piston rod 7, the right shaft 30 and the catheter 5 are fixedly connected by threads, and the left shaft 31 cannot pass through the fixing hole 4 on the bone graft handle 1, so as to fix the catheter 5 function so that it cannot move left and right.

In a specific embodiment, a straight groove 35 is provided on the outer side of the left shaft of the guide screw plug 29 .

In a specific embodiment, the handle 10 is provided with a hole 36 , and a pin 32 for fixing the handle 10 and the piston rod 7 is arranged in the hole 36 and the pin hole 15 .

In a specific embodiment, the handle of the bone graft handle 1 is provided with a groove 33, which is convenient for doctors to take during operation.

During specific use, the bone grafting funnel assembly is connected to the puncture needle cover assembly, and the bone fragments can be directly pushed to the affected area for bone grafting operation. The bone grafting funnel assembly is convenient and quick to use.

To sum up, with the help of the above-mentioned technical solution of the present invention, the bone graft funnel assembly of the present invention can shorten the bone graft time and reduce the pain caused by the operation to the patient.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (10)

1. A bone graft funnel assembly, characterized in that it includes a bone graft handle (1), the upper right end of the bone graft handle (1) is provided with a U-shaped pressure sleeve (2), and the bone graft handle (1) The upper left end is integrally provided with a fixed connection seat (3), the center of the fixed connection seat (3) is provided with a fixed hole (4), the upper end of the bone graft handle (1) runs through the U-shaped sleeve (2) A conduit (5) is provided, and the left end of the conduit (5) is connected to the fixing hole (4), the upper end of the conduit (5) is provided with a funnel (6), and the right end of the conduit (5) is sequentially provided with Piston rod (7) and piston (8), the outside of the right end of the guide tube (5) is provided with a lock nut (9) for connecting the puncture needle cover assembly, and the left end of the piston rod (7) is provided with a handle (10 ). 2. The bone graft funnel assembly according to claim 1, characterized in that, the lower end of the funnel (6) is dug with a semicircular groove (11), and the left end of the conduit (5) is provided with a semicircular groove (11) ) to match the notch (12). 3. The bone graft funnel assembly according to claim 2, characterized in that, the right end of the conduit (5) is provided with a thin shaft (13), and the left end of the piston rod (7) is provided with a handle (10 ) matching connector (14), the connector (14) is provided with a pin hole (15); the center of the piston (8) is provided with a through hole (16), the through hole one (16) The right end of the piston rod (7) is provided with a chamfer (17), and the right end of the piston rod (7) is provided with a thin shaft two (18) matching the through hole one (16). 4. The bone graft funnel assembly according to claim 3, characterized in that, the tail end of the first thin shaft (13) is fixed with a retaining ring (19) to prevent the locking nut (9) from coming out. 5. The bone graft funnel assembly according to claim 1, characterized in that, the right end of the bone graft handle (1) is provided with a threaded hole (20), and the U-shaped compression sleeve (2) is provided with a threaded hole One (20) corresponds to one light hole (21), and the light hole one (21) and the threaded hole one (20) are fixedly connected by slotted countersunk head screws (22). 6. The bone graft funnel assembly according to claim 1, characterized in that, the upper left end of the bone graft handle (1) is provided with a round hole (23), and the bone graft handle (1) passes through the round hole (23) ) is provided with a locking briquetting block (24), the locking briquetting block (24) includes a left briquetting block and a right briquetting block, the center of the left briquetting block is provided with a threaded hole 2 (25), and the right briquetting block The center of the center is provided with the light hole 2 (26) corresponding to the threaded hole 2 (25), and the upper ends of the left pressing block and the right pressing block are symmetrically provided with circular arcs (27) that match the conduit (5). The second threaded hole (25) and the second light hole (26) are fixedly connected by compression screws (28). 7. The bone graft funnel assembly according to claim 1, characterized in that, the guide screw plug (29) includes a right shaft (30) and a left shaft (31) integrally arranged, and the guide screw plug (29) There is a second through hole (34) in the center of the center, the handle (10) is connected with the connector (14) on the piston rod (7) through the second through hole (34), and the right shaft (30) is connected with the conduit (5 ) are fixedly connected by threads. 8. The bone graft funnel assembly according to claim 7, characterized in that a straight line (35) is provided on the outside of the left shaft of the guide screw plug (29). 9. The bone graft funnel assembly according to claim 7, characterized in that, the handle (10) is provided with a hole (36), and the hole (36) and the pin hole (15) are provided with a fixing handle ( 10) and the pin (32) of the piston rod (7). 10. The bone graft funnel assembly according to claim 1, characterized in that a groove (33) is provided at the handle of the bone graft handle (1).