CN209136849U - Vertebra corpectomy and strike off postcentrum rebuild in cement reaction combination needle - Google Patents

Abstract

The utility model discloses vertebra corpectomy and strike off cement reaction combination needle in postcentrum reconstruction, including device noumenon, device noumenon includes No.1 combination needle and No. two combination needles, No.1 combination needle combines the opposite both ends of needle with No. two and is fixedly connected to syringe needle, the opposite end of syringe needle is fixedly connected to dilator between marrow, No.1 combines needle and combines the inside of needle one end with respect to No. two equipped with No.1 card slot, the upper and lower ends of No.1 card slot and be located at No.1 combination needle upper and lower ends be equipped with limiting slot, the utility model beneficial effect achieved is: the present apparatus facilitates insertion into hypocentrum or interverbebral disc, save the time, and it can effectively avoid the problems such as neurotrosis occurs, effective solution uses Kirschner wire fixation in the prior art, the problem of being easy to damage spinal cord, it can greatly reduce in vertebra corpectomy and strike off postcentrum weight The risk in cement reaction operation is built, present apparatus internal structure is simple, and it is convenient for production, it is convenient for volume production, there are preferable market prospects.

Description

Vertebra corpectomy and strike off postcentrum rebuild in cement reaction combination needle

Technical field

The utility model relates to fixed Combination needle, in particular to vertebra corpectomy and strike off postcentrum rebuild in bone cement it is solid Surely needle is combined, orthopaedics equipment technical field is belonged to.

Background technique

During tumor of spine knurl strikes off vertebral body reconstruction, cement reaction difficult problem, thin gram of prior art application Family name's needle is inserted into upper hypocentrum, but this technology rapid wear hurts spinal cord, and holds Kirschner wire shakiness with needle forceps, is also not easy to be added Pressure is fixed on upper hypocentrum, and operating space is small between difficult point essentially consists in adjacent vertebral, and fixed tip needs are sharp keen to be convenient for Be inserted into bone, and fixed pin to hold pincers certain critical because avoiding fixed pin to fall off close to spinal cord in operation and damaging ridge Marrow.And have primary screw, it be easy to cause and falls off and lose.And a channel preferably is done to screw in pressure process, prevent pressure excessive, Screw bullet is flown, unnecessary damage is caused.

Utility model content

The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, after providing vertebra corpectomy and striking off Cement reaction combines needle in vertebral body reconstruction.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:

The utility model vertebra corpectomy and strike off postcentrum rebuild in cement reaction combination needle, including device noumenon, Described device ontology includes No.1 combination needle and No. two combination needles, and the No.1 combines needle, and with No. two to combine the opposite both ends of needle equal It is fixedly connected with syringe needle, the opposite end of the syringe needle is fixedly connected to dilator between marrow, and the No.1 combination needle is with respect to two The inside of number combination needle one end is equipped with No.1 card slot, the upper and lower ends of the No.1 card slot and is located at up and down the two of No.1 combination needle End is equipped with limiting slot, and the inside of the limiting slot is equidistantly equipped with several No.1 limit holes, and No. two combinations needle is with respect between marrow The other end of dilator is fixedly connected with snap-gauge, and the middle part that the snap-gauge combines the needle other end with respect to No. two is equipped with No. two limits Hole.

As a kind of optimal technical scheme of the utility model, the snap-gauge is located at the fixed company in two sides of No. two limit holes It is connected to kelly, the opposite exterior lateral sides of two kellies are fixedly connected to card ball.

As a kind of optimal technical scheme of the utility model, several No. two are equidistantly equipped with inside No.1 card slot two sides Card slot.

As a kind of optimal technical scheme of the utility model, bolt, the top of the bolt are connected in the limiting slot Portion is threaded with nut.

As a kind of optimal technical scheme of the utility model, between the marrow thickness of dilator 0.4mm-0.6mm it Between.

The utility model beneficial effect achieved is: the present apparatus facilitates insertion into hypocentrum or interverbebral disc, operates It is simple in journey, the time is saved, and can effectively avoid the problems such as neurotrosis occurs, effective solution is used in the prior art Kirschner wire fixation, the problem of being easy to damage spinal cord, can greatly reduce vertebra corpectomy and strike off postcentrum rebuild in bone Risk in the fixed operation of cement, present apparatus internal structure is simple, convenient for production, is convenient for volume production, has preferable market prospects.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of figure the utility model；

Fig. 2 is the side view structure sectional view of the utility model；

Fig. 3 is the plan structure section of the utility model.

In figure: 1, device noumenon；2, No.1 combines needle；3, No. two combination needles；4, snap-gauge；5, No.1 card slot；6, syringe needle；7, Dilator between marrow；8, limiting slot；9, No.1 limit hole；10, kelly；11, card ball；12, No. two limit holes；13, bolt；14, spiral shell It is female；15, No. two card slots.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment

As shown in Figure 1-3, vertebra corpectomy and strike off postcentrum rebuild in cement reaction combination needle, including device noumenon 1, device noumenon 1 includes No.1 combination needle 2 and No. two combination needles 3, and it is equal that No.1 combination needle 2 with No. two combines the opposite both ends of needle 3 It is fixedly connected with syringe needle 6, the opposite end of syringe needle 6 is fixedly connected to dilator 7 between marrow, and No.1 combines needle 2 with respect to No. two groups It is equipped with No.1 card slot 5, the upper and lower ends of No.1 card slot 5 and equal positioned at the upper and lower ends of No.1 combination needle 2 to close the inside of 3 one end of needle Equipped with limiting slot 8, the inside of limiting slot 8 is equidistantly equipped with several No.1 limit holes 9, and No. two combination needles 3 are with respect to dilator 7 between marrow The other end is fixedly connected with snap-gauge 4, and the middle part of opposite No. two combinations 3 other end of needle of snap-gauge 4 is equipped with No. two limit holes 12.

The two sides that snap-gauge 4 is located at No. two limit holes 12 are fixedly connected to kelly 10, and the opposite exterior lateral sides of two kellies 10 are equal It is fixedly connected with card ball 11, convenient for connecting No.1 combination needle 2 and No. two combination needles 3, is equidistantly equipped with inside 5 two sides of No.1 card slot Several No. two card slots 15 are connected with bolt 13, the top of bolt 13 in limiting slot 8 convenient for being clamped the card ball 11 of 10 two sides of kelly It is threaded with nut 14, No.1 can be combined on needle 2 and No. two are combined the stronger of the fixation of needles 3, the thickness of dilator 7 exists between marrow Between 0.4mm-0.6mm, dilator 7 facilitates insertion into the gap between vertebra between relatively thin marrow.

Specifically, when the utility model is used, device noumenon 1 is inserted into upper hypocentrum or interverbebral disc, dilator 7 between marrow Spinal cord is strutted, between marrow the thickness of dilator 7 between 0.4mm-0.6mm, between relatively thin marrow dilator 7 facilitate insertion into vertebra it Between gap, bolt 13 is passed through into limiting slot 8 and No. two limit holes 12, it is fixed by nut 14, No.1 can combine needle 2 and two Fixed stronger of number combination needle 3, the two sides that snap-gauge 4 is located at No. two limit holes 12 are fixedly connected to kelly 10, two kellies 10 opposite exterior lateral sides are fixedly connected to card ball 11, convenient for No.1 combination needle 2 and No. two combination needles 3 are connected, 5 liang of No.1 card slot It is equidistantly equipped with several No. two card slots 15 inside side, convenient for being clamped the card ball 11 of 10 two sides of kelly, is connected with bolt in limiting slot 8 13。

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. vertebra corpectomy and strike off postcentrum rebuild in cement reaction combination needle, including device noumenon (1), feature exists In described device ontology (1) includes No.1 combination needle (2) and No. two combination needles (3), and the No.1 combines needle (2) and No. two groups It closes needle (3) opposite both ends to be fixedly connected to syringe needle (6), the opposite end of the syringe needle (6) supports between being fixedly connected to marrow It opens device (7), the inside of No.1 combination needle (2) opposite No. two combinations needle (3) one end is equipped with No.1 card slot (5), the No.1 The upper and lower ends of card slot (5) and be located at No.1 combination needle (2) upper and lower ends be equipped with limiting slot (8), the limiting slot (8) Internal to be equidistantly equipped with several No.1 limit holes (9), No. two combinations needle (3) are fixed with respect to the other end of dilator (7) between marrow It is connected with snap-gauge (4), the middle part of opposite No. two combinations needle (3) other end of the snap-gauge (4) is equipped with No. two limit holes (12).

2. vertebra corpectomy according to claim 1 and strike off postcentrum rebuild in cement reaction combination needle, feature It is, the two sides that the snap-gauge (4) is located at No. two limit holes (12) are fixedly connected to kelly (10), two kellies (10) Opposite exterior lateral sides be fixedly connected to card ball (11).

3. vertebra corpectomy according to claim 1 and strike off postcentrum rebuild in cement reaction combination needle, feature It is, several No. two card slots (15) is equidistantly equipped with inside No.1 card slot (5) two sides.

4. vertebra corpectomy according to claim 1 and strike off postcentrum rebuild in cement reaction combination needle, feature It is, is connected with bolt (13) in the limiting slot (8), the screw top of the bolt (13) is connected with nut (14).

5. vertebra corpectomy according to claim 1 and strike off postcentrum rebuild in cement reaction combination needle, feature It is, the thickness of dilator (7) is between 0.4mm-0.6mm between the marrow.