CN207253371U - A kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems - Google Patents
A kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems Download PDFInfo
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- CN207253371U CN207253371U CN201720290597.7U CN201720290597U CN207253371U CN 207253371 U CN207253371 U CN 207253371U CN 201720290597 U CN201720290597 U CN 201720290597U CN 207253371 U CN207253371 U CN 207253371U
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- bone cement
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- vertebral arch
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Abstract
The utility model discloses a kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems, including long-armed hollow fixed pedicle of vertebral arch bone cement injection nail, long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail, long-armed hollow multiaxis pedicle of vertebral arch bone cement injection nail, lift hollow fixed pedicle of vertebral arch bone cement injection nail, lift hollow multiaxis pedicle of vertebral arch bone cement injection nail and bone cement injector, the long-armed hollow fixed pedicle of vertebral arch bone cement injection nail side is equipped with long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail, the long-armed hollow fixed pedicle of vertebral arch bone cement injection nail side is equipped with long-armed hollow multiaxis pedicle of vertebral arch bone cement injection nail.The utility model injects nail and bone cement injecting systems by hollow pedicle of vertebral arch bone cement, the advantages of combining Minimally Invasive Surgery and fixed bone cement injection, system trauma is small, the resisting pull out forces of the injection enhancing screw of bone cement, can be to avoid the complication such as unstable spine, loosening, recurrence occur, especially suitable for old people with osteoporosis.
Description
Technical field
Spinal surgery the field of medical instrument technology is the utility model is related to, more particularly to a kind of hollow pedicle of vertebral arch bone cement note
Enter nail and bone cement injecting systems.
Background technology
With the quickening of the process of China's aging, the patient of osteoporosis is on the increase, OP patient due to BMD decline,
Screw cannot get firm grappling or bone is supported, the loosening, cutting or extraction of screw occurs, ultimately results in the failure of interior fixation.
For senile osteoporosis patient, when there is compressed fracture of thoracic vertebra and lumber vertebra, Most scholars use vertebroplasty, but right
In blow-out fracture again with the patient of osteoporosis, how to treat, there is dispute.So how to improve pedicle of vertebral arch screw
The stability under the conditions of OP is followed closely, becomes a great problem of field of spinal surgery now.
The method of solution, which is concentrated mainly on, improves screw designs and two, reinforcing screw way interface aspect.The former mainly includes increasing
Add screw length and diameter etc., but have cause pedicle of vertebral arch to burst apart, fracture of vertebral pedicle and internal organ, the risk of injury of blood vessel.Strong
In terms of changing screw way interface, there is the method integrally strengthened using screw way with local strengthening at present, i.e., into whole screw way or screw way office
Curing materials are injected in portion, and most common curing materials are PMMA bone cement (PMMA).It is overall to strengthen：Aldini
HA coated screws are applied with Fini etc., it was confirmed which increase the bond strength of nail bone interface.Treat compressed fracture of thoracic vertebra and lumber vertebra
Invasive methods in addition to minimal invasion pedicle internal fixators system, also have PVP and PKP；Although PVP, PKP are without absolute taboo
Disease, but to use with caution for following several situations：1. vertebral height loses more than 75%；2. fracture involves centrum trailing edge,
Sclerite is prominent to intraspinal tube；3. the patient of severe coagulation disorder；And for the working column of 8G cannot be applied, exceed
The old fracture of 3 months, the patient of backbone entity tumor are not suitable for applying PKP.
In conclusion the pedicle screw for irrigating bone cement developed both at home and abroad at present, species is very much, each advantageous,
But there are one it is common the problem of：Be essentially all the pedicle screw of short " u "-shaped, surgical procedure includes putting nail, put rod and
Bone cement etc. is irrigated, need to all be carried out under open look at straight.Domestic and international still understatement road：Can be in the minimally invasive ridge of osteoporosis condition downlink
Fixed and fixing intensity is good in column, and should not be using fixed in the minimally invasive spine of the PVP and PKP thoracolumbar bursting fractures treated
System.I take charge of research and development hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems, can minimal invasion perfusion bone cement, reach
The stability fixed under the conditions of osteoporosis to enhancing pedicle nail, the centrum that can treat inapplicable PVP and PKP treatment are quick-fried
Fragility is fractured, and expands application range.For this reason, it is proposed that a kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injection system
System.
Utility model content
The main purpose of the utility model is that provide a kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injection system
System, can effectively solve the problems, such as in background technology.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems, including long-armed hollow fixed pedicle of vertebral arch bone water
Mud injection nail, long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail, long-armed hollow multiaxis pedicle of vertebral arch bone cement injection nail, lifting
Hollow fixed pedicle of vertebral arch bone cement injection nail, lift hollow multiaxis pedicle of vertebral arch bone cement injection nail and bone cement injector, described
Long-armed hollow fixed pedicle of vertebral arch bone cement injection nail side is equipped with long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail, the length
The hollow fixed pedicle of vertebral arch bone cement injection nail side of arm is equipped with long-armed hollow multiaxis pedicle of vertebral arch bone cement injection nail, it is described it is long-armed in
The fixed pedicle of vertebral arch bone cement injection nail side of sky, which is equipped with, lifts hollow fixed pedicle of vertebral arch bone cement injection nail, described long-armed hollow solid
Determine pedicle of vertebral arch bone cement injection nail side and be equipped with the hollow multiaxis pedicle of vertebral arch bone cement injection nail of lifting, the long-armed hollow fixed vertebra
Nut bone cement injection nail side is equipped with No.1 hole or groove, and the long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail side is set
There is long-armed Universal screw nail seat, the long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail side is equipped with hollow monoplane bulb spiral shell
Nail, the long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail side are equipped with monoplane packing ring, the hollow monoplane bulb
Screw side is equipped with side plane and No. three holes or groove, and side plane is located above No. three holes or groove, the long-armed hollow multiaxis vertebra
Nut bone cement injection nail side is equipped with long-armed Universal screw nail seat, and the long-armed Universal screw nail seat is internally provided with hollow ball heads screw
With No.1 packing ring, and No.1 packing ring is located above hollow ball heads screw, and the hollow ball heads screw side is equipped with No. four holes or groove,
The hollow fixed pedicle of vertebral arch bone cement injection nail side of lifting is equipped with No. two holes or groove, the hollow multiaxis pedicle of vertebral arch bone of lifting
Cement injection nail side is equipped with lifting Universal screw nail seat, counterbore ball screw and packing ring, and packing ring is positioned at lifting Universal screw nail seat
Between counterbore ball screw, the counterbore ball screw side is equipped with No. five holes or groove, the long-armed hollow fixed pedicle of vertebral arch
Bone cement injection nail side is equipped with bone cement injector and bone cement injector connecting rod, and bone cement injector is located at bone cement
Above syringe connecting rod, the bone cement injector connecting rod is internally provided with passage push rod, bone cement injector connecting rod one
Side is equipped with screw thread.
Further, the No.1 hole or slot number amount are several.
Further, No. two holes or slot number amount are several.
Further, the bone cement injector is fixedly connected with bone cement injector connecting rod.
Further, the bone cement injector connecting rod is flexibly connected with passage push rod.
Compared with prior art, the utility model has the advantages that：This kind of hollow pedicle of vertebral arch bone cement injection nail
And bone cement injecting systems, combine Minimally Invasive Surgery and bone cement injects the advantages of fixed, system trauma is small, the injection of bone cement
Strengthen the resisting pull out forces of screw, can be to avoid the complication such as unstable spine, loosening, recurrence occur, especially suitable for old sclerotin
Loose patient.
Brief description of the drawings
Fig. 1 is the long-armed hollow fixed vertebra of the hollow pedicle of vertebral arch bone cement injection nail of the utility model and bone cement injecting systems
Nut bone cement injects pin structure schematic diagram.
Fig. 2 is the long-armed hollow monoplane of the hollow pedicle of vertebral arch bone cement injection nail of the utility model and bone cement injecting systems
Pedicle of vertebral arch bone cement injects pin structure schematic diagram.
Fig. 3 is the long-armed hollow multiaxis vertebra of the hollow pedicle of vertebral arch bone cement injection nail of the utility model and bone cement injecting systems
Nut bone cement injects pin structure schematic diagram.
Fig. 4 is the hollow fixed vertebra of lifting of the hollow pedicle of vertebral arch bone cement injection nail of the utility model and bone cement injecting systems
Nut bone cement injects pin structure schematic diagram.
Fig. 5 is the hollow multiaxis vertebra of lifting of the hollow pedicle of vertebral arch bone cement injection nail of the utility model and bone cement injecting systems
Nut bone cement injects pin structure schematic diagram.
Fig. 6 is the screw plug structure signal of the hollow pedicle of vertebral arch bone cement injection nail of the utility model and bone cement injecting systems
Figure.
Fig. 7 is the bone cement injector knot of the hollow pedicle of vertebral arch bone cement injection nail of the utility model and bone cement injecting systems
Structure schematic diagram.
Fig. 8 is the bone cement injector company of the hollow pedicle of vertebral arch bone cement injection nail of the utility model and bone cement injecting systems
Connection rod structure schematic diagram.
Fig. 9 is the overall structure signal of the hollow pedicle of vertebral arch bone cement injection nail of the utility model and bone cement injecting systems
Figure.
In figure：1st, long-armed hollow fixed pedicle of vertebral arch bone cement injection nail；2nd, long-armed hollow monoplane pedicle of vertebral arch bone cement note
Enter nail；3rd, long-armed hollow multiaxis pedicle of vertebral arch bone cement injection nail；4th, hollow fixed pedicle of vertebral arch bone cement injection nail is lifted；5th, lift
Hollow multiaxis pedicle of vertebral arch bone cement injection nail；7th, bone cement injector；8th, bone cement injector connecting rod；12nd, No.1 hole or groove；
21st, long-armed Universal screw nail seat；22nd, hollow monoplane ball screw；23rd, monoplane packing ring；31st, long-armed Universal screw nail seat；32nd, it is empty
Heart ball screw；33rd, No.1 packing ring；42nd, No. two holes or groove；51st, Universal screw nail seat is lifted；52nd, counterbore ball screw；53rd, pad
Circle；61st, No.1 screw thread；62nd, interior plum blossom hole；82nd, passage push rod；83rd, screw thread；221st, side plane；222nd, No. three holes or groove；322、
No. four holes or groove；521st, counterbore；522nd, No. five holes or groove；.
Embodiment
To make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, below
With reference to embodiment, the utility model is expanded on further.
As shown in Figs. 1-2, a kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems, including it is long-armed hollow solid
Determine pedicle of vertebral arch bone cement injection nail 1, long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail 2, long-armed hollow multiaxis pedicle of vertebral arch bone
Cement injection nail 3, the hollow fixed pedicle of vertebral arch bone cement injection nail 4 of lifting, 5 and of the hollow multiaxis pedicle of vertebral arch bone cement injection nail of lifting
Bone cement injector 7,1 side of the long-armed hollow fixed pedicle of vertebral arch bone cement injection nail are equipped with long-armed hollow monoplane pedicle of vertebral arch
Bone cement injection nail 2,1 side of the long-armed hollow fixed pedicle of vertebral arch bone cement injection nail are equipped with long-armed hollow multiaxis pedicle of vertebral arch bone
Cement injection nail 3,1 side of the long-armed hollow fixed pedicle of vertebral arch bone cement injection nail, which is equipped with, lifts hollow fixed pedicle of vertebral arch bone water
Mud injection nail 4,1 side of the long-armed hollow fixed pedicle of vertebral arch bone cement injection nail, which is equipped with, lifts hollow multiaxis pedicle of vertebral arch bone cement
Injection nail 5,1 side of the long-armed hollow fixed pedicle of vertebral arch bone cement injection nail is equipped with No.1 hole or groove 12, described long-armed hollow
Monoplane 2 sides of pedicle of vertebral arch bone cement injection nail are equipped with long-armed Universal screw nail seat 21, the long-armed hollow monoplane pedicle of vertebral arch bone
2 sides of cement injection nail are equipped with hollow monoplane ball screw 22, the long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail 2
Side is equipped with monoplane packing ring 23, and hollow 22 side of monoplane ball screw is equipped with side plane 221 and No. three holes or groove
222, and side plane 221 is located at No. three holes or the top of groove 222,3 sides of the long-armed hollow multiaxis pedicle of vertebral arch bone cement injection nail
Equipped with long-armed Universal screw nail seat 31, the long-armed Universal screw nail seat 31 is internally provided with hollow ball heads screw 32 and No.1 packing ring 33,
And No.1 packing ring 33 is located at the top of hollow ball heads screw 32,32 side of hollow ball heads screw is equipped with No. four holes or groove 322, institute
State 4 sides of the hollow fixed pedicle of vertebral arch bone cement injection nail of lifting and be equipped with No. two holes or groove 42, the hollow multiaxis pedicle of vertebral arch of lifting
5 sides of bone cement injection nail are equipped with lifting Universal screw nail seat 51, counterbore ball screw 52 and packing ring 53, and packing ring 53 is positioned at lifting
Between Universal screw nail seat 51 and counterbore ball screw 52,52 side of counterbore ball screw is equipped with No. five holes or groove 522, described
1 side of long-armed hollow fixed pedicle of vertebral arch bone cement injection nail is equipped with bone cement injector 7 and bone cement injector connecting rod 8, and
Bone cement injector 7 is located at the top of bone cement injector connecting rod 8, and the bone cement injector connecting rod 8 is internally provided with passage
Push rod 82,8 side of bone cement injector connecting rod are equipped with screw thread 83.
Wherein, the No.1 hole or 12 quantity of groove are several.
Wherein, No. two holes or 42 quantity of groove are several.
Wherein, the bone cement injector 7 is fixedly connected with bone cement injector connecting rod 8.
Wherein, the bone cement injector connecting rod 8 is flexibly connected with passage push rod 82.
It should be noted that the utility model is a kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems,
During work, the first step diagnoses patient condition by preoperative imageological examination, row x-ray, CT examination etc., determines the surgery location of patient
And implement to perform the operation；Second step chooses entry point, and entry point prepares；3rd step carries out tapping using special equipment；4th step is being led
Hollow pedicle of vertebral arch bone cement injection nail is inserted under the guiding of pin；5th step injects nail and bone cement by hollow pedicle of vertebral arch bone cement
Injecting systems inject bone cement, strengthen resisting pull out forces；6th step inserts pitman reset, screws in plug screw pressurization locking, finally rolls over
Disconnected hollow pedicle of vertebral arch bone cement injection nails on end；7th step carries out fixed and post surgery treatment of performing the operation.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems, including long-armed hollow fixed pedicle of vertebral arch bone cement
Injection nail (1), long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail (2), long-armed hollow multiaxis pedicle of vertebral arch bone cement injection nail
(3), hollow fixed pedicle of vertebral arch bone cement injection nail (4), hollow multiaxis pedicle of vertebral arch bone cement injection nail (5) He Gushui of lifting are lifted
Mud syringe (7), it is characterised in that：Described long-armed hollow fixed pedicle of vertebral arch bone cement injection nail (1) side is equipped with long-armed hollow
Monoplane pedicle of vertebral arch bone cement injection nail (2), described long-armed hollow fixed pedicle of vertebral arch bone cement injection nail (1) side are equipped with long-armed
Hollow multiaxis pedicle of vertebral arch bone cement injection nail (3), described long-armed hollow fixed pedicle of vertebral arch bone cement injection nail (1) side, which is equipped with, to be carried
Hollow fixed pedicle of vertebral arch bone cement injection nail (4) is drawn, described long-armed hollow fixed pedicle of vertebral arch bone cement injection nail (1) side is equipped with
Hollow multiaxis pedicle of vertebral arch bone cement injection nail (5) is lifted, described long-armed hollow fixed pedicle of vertebral arch bone cement injection nail (1) side is set
There are No.1 hole or groove (12), described long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail (2) side is equipped with long-armed Universal screw nail
Seat (21), described long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail (2) side are equipped with hollow monoplane ball screw (22),
Described long-armed hollow monoplane pedicle of vertebral arch bone cement injection nail (2) side is equipped with monoplane packing ring (23), the hollow monoplane
Ball screw (22) side is equipped with side plane (221) and No. three holes or groove (222), and side plane (221) is located at No. three holes or groove
(222) top, described long-armed hollow multiaxis pedicle of vertebral arch bone cement injection nail (3) side are equipped with long-armed Universal screw nail seat (31), institute
State long-armed Universal screw nail seat (31) and be internally provided with hollow ball heads screw (32) and No.1 packing ring (33), and No.1 packing ring (33) is located at
Above hollow ball heads screw (32), hollow ball heads screw (32) side is equipped with No. four holes or groove (322), and the lifting is hollow
Fixed pedicle of vertebral arch bone cement injection nail (4) side is equipped with No. two holes or groove (42), the hollow multiaxis pedicle of vertebral arch bone cement of lifting
Injection nail (5) side is equipped with lifting Universal screw nail seat (51), counterbore ball screw (52) and packing ring (53), and packing ring (53) is located at
Lift between Universal screw nail seat (51) and counterbore ball screw (52), counterbore ball screw (52) side equipped with No. five holes or
Groove (522), described long-armed hollow fixed pedicle of vertebral arch bone cement injection nail (1) side are equipped with bone cement injector (7) and bone cement
Syringe connecting rod (8), and bone cement injector (7) is located above bone cement injector connecting rod (8), the bone cement injection
Device connecting rod (8) is internally provided with passage push rod (82), and bone cement injector connecting rod (8) side is equipped with screw thread (83).
2. a kind of hollow pedicle of vertebral arch bone cement injection nail according to claim 1 and bone cement injecting systems, its feature exist
In：The No.1 hole or groove (12) quantity are several.
3. a kind of hollow pedicle of vertebral arch bone cement injection nail according to claim 1 and bone cement injecting systems, its feature exist
In：No. two holes or groove (42) quantity is several.
4. a kind of hollow pedicle of vertebral arch bone cement injection nail according to claim 1 and bone cement injecting systems, its feature exist
In：Bone cement injector (7) is fixedly connected with bone cement injector connecting rod (8).
5. a kind of hollow pedicle of vertebral arch bone cement injection nail according to claim 1 and bone cement injecting systems, its feature exist
In：The bone cement injector connecting rod (8) is flexibly connected with passage push rod (82).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720290597.7U CN207253371U (en) | 2017-03-23 | 2017-03-23 | A kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems |
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| CN201720290597.7U CN207253371U (en) | 2017-03-23 | 2017-03-23 | A kind of hollow pedicle of vertebral arch bone cement injection nail and bone cement injecting systems |
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| CN207253371U true CN207253371U (en) | 2018-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109124752A (en) * | 2018-09-14 | 2019-01-04 | 创辉医疗器械江苏有限公司 | A kind of vertebral column minimally invasive Cement fixation device assembly |
-
2017
- 2017-03-23 CN CN201720290597.7U patent/CN207253371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109124752A (en) * | 2018-09-14 | 2019-01-04 | 创辉医疗器械江苏有限公司 | A kind of vertebral column minimally invasive Cement fixation device assembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hollow pedicle bone cement injection nail and bone cement injection system Effective date of registration: 20210208 Granted publication date: 20180420 Pledgee: Guangdong Nanhai rural commercial bank Limited by Share Ltd. Guicheng branch Pledgor: GUANGDONG SHITAIBAO MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021440000044 |