CN205286617U

CN205286617U - Artificial vertebral body

Info

Publication number: CN205286617U
Application number: CN201521117524.5U
Authority: CN
Inventors: 寇万福; 柴鹏
Original assignee: SUZHOU XINRONG BEST MEDICAL INSTRUMENT CO Ltd
Current assignee: SUZHOU XINRONG BEST MEDICAL INSTRUMENT CO Ltd
Priority date: 2015-12-29
Filing date: 2015-12-29
Publication date: 2016-06-08
Anticipated expiration: 2025-12-29

Abstract

The utility model relates to an artificial vertebral body has centrum body, centrum annex, and centrum body one end has violently suddenly, violently suddenly with centrum body structure as an organic whole, the centrum annex has the vertebral arch, the vertebral arch has the lamina, violently suddenly can dismantle with the lamina and be connected, the centrum body, violently suddenly and the vertebral arch enclose and have the taper hole, violently suddenly offered the threaded recess, the screw hole has been offered to the lamina, screw hole that the screw passed the lamina extremely violently abrupt recess is fixed. Adopt the utility model discloses an artificial vertebral body of components of a whole that can function independently design can make the doctor when carrying out the surgery operation, operate safelyr, places the toper body earlier, places the vertebral arch again, places nerve in the taper hole in and is difficult for impairedly, also need not the setting of other pedicle of vertebral arch nail and titanium net, effective reduction degree of difficulty of performing the operation.

Description

A kind of artificial vertebral body

Technical field

This utility model relates to artificial vertebral body technical field, especially a kind of artificial vertebral body.

Background technology

The vertebra of human body belongs to vulnerable parts, therefore, it may appear that substantial amounts of operation on vertebra. But, because a lot of nerves of human body are through in the taper hole of vertebra, once careless slightly in operation, it is possible to be damaged to nerve, current vertebra valve replacement, is also after being taken away by bad body mostly, add implant between the cones such as titanium net, treat that the vertebra self-growth of human body self merges. This mode easily injures nerve when operation, improves the difficulty of operation.

Utility model content

The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, it is provided that a kind of artificial vertebral body, effectively reduces operating difficulty.

This utility model solves its technical problem and be the technical scheme is that a kind of artificial vertebral body, there is vertebral body body, appendix of vertebra, described vertebral body body one end has transverse process, described transverse process and vertebral body body are structure as a whole, described appendix of vertebra has vertebral arch, described vertebral arch has lamina of vertebral arch, described transverse process and lamina of vertebral arch removably connect, described vertebral body body, transverse process and vertebral arch are with taper hole, described transverse process offers threaded groove, described lamina of vertebral arch offers screw hole, and the screw hole of screw traverse lamina of vertebral arch is fixed to the groove of transverse process.

The inside of described vertebral body body has multiple emptying aperture, and the inside of described vertebral arch has multiple emptying aperture, and the average diameter of the emptying aperture of described vertebral body body is more than the average diameter of the emptying aperture of vertebral arch.

The aperture of the emptying aperture of described vertebral body body is 300��900 microns, porosity 50��80%; The aperture of the emptying aperture of described vertebral arch is 300��900 microns; Porosity 50��80%.

Described vertebral body body and transverse process are formed by 3D is printing integrated, and described appendix of vertebra is formed by 3D is printing integrated.

Described screw head has threaded conical head, and the screw hole top of described lamina of vertebral arch is provided with the threaded cone tank coordinated with conical head.

The operation method of a kind of artificial vertebral body, adopts above-mentioned artificial vertebral body.

A kind of operation method of artificial vertebral body, there are following steps: (1) is by after the sick body vertebral resection in human body, put into vertebral body body, the upper and lower vertebral body of vertebral body body and human body self contacts, (2) placing into vertebral arch, the screw hole of screw traverse lamina of vertebral arch is fixed to the groove of transverse process.

The beneficial effects of the utility model are: adopt the artificial vertebral body that split of the present utility model designs, doctor can be made when carrying out surgical operation, operate safer, first place conical body, place vertebral arch again, it is placed in the nerve in taper hole not easily impaired, without the setting of other pedicle nail and titanium net, effectively reduces operating difficulty.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, this utility model is further illustrated.

Fig. 1 is structural representation of the present utility model;

Wherein, 1, vertebral body body, 2, transverse process, 3, vertebral arch, 4, lamina of vertebral arch, 5, taper hole, 6, groove, 7, screw hole.

Detailed description of the invention

Presently in connection with accompanying drawing, this utility model is further described. These accompanying drawings are the schematic diagram of simplification and basic structure of the present utility model are only described in a schematic way, and therefore it only shows the composition relevant with this utility model.

Such as Fig. 1, a kind of artificial vertebral body, there is vertebral body body 1, appendix of vertebra, described vertebral body body 1 one end has transverse process 2, described transverse process 2 is structure as a whole with vertebral body body 1, described appendix of vertebra has vertebral arch 3, described vertebral arch 3 has lamina of vertebral arch 4, described transverse process 2 removably connects with lamina of vertebral arch 4, described vertebral body body 1, transverse process 2 are with taper hole 5 with vertebral arch 3, described transverse process 2 offers threaded groove 6, and described lamina of vertebral arch 4 offers screw hole 7, and screw is fixed through the groove 6 of screw hole 7 to the transverse process 2 of lamina of vertebral arch 4.

The inside of described vertebral body body 1 has multiple emptying aperture, and the inside of described vertebral arch 3 has multiple emptying aperture, and the average diameter of the emptying aperture of described vertebral body body 1 is more than the average diameter of the emptying aperture of vertebral arch 3.

The aperture of the emptying aperture of described vertebral body body 1 is 300��900 microns, porosity 50��80%; The aperture of the emptying aperture of described vertebral arch 3 is 300��900 microns; Porosity 50��80%.

Described vertebral body body 1 is formed by 3D is printing integrated with transverse process 2, and described appendix of vertebra is formed by 3D is printing integrated.

The Main Function of vertebral body body 1 is for growing bone, in vertebral body body 1, emptying aperture is set, can being beneficial to bone marrow growth, the effect of the emptying aperture of vertebral arch 3 is mainly used for growth ligament and muscle, because when producing, conical body 1 and vertebral arch 2 are respectively prepared, conical body 1 can be realized different with the average diameter of the emptying aperture of vertebral arch 3, and the artificial vertebral body of existing integration, conical body 1 and vertebral arch 3 are made into integration, being difficulty with emptying aperture average diameter different, production of the present utility model is simply efficient.

Described screw head has threaded conical head, and the screw hole top of described lamina of vertebral arch is provided with the threaded cone tank coordinated with conical head. The setting of conical head can make screw more be securely seated between lamina of vertebral arch and transverse process, outside landing when being not easy to move.

A kind of operation method of artificial vertebral body, there are following steps: (1) is by after the sick body vertebral resection in human body, put into vertebral body body 1, the upper and lower vertebral body of vertebral body body 1 and human body self contacts, (2) placing into vertebral arch 3, the screw hole of screw traverse lamina of vertebral arch 4 is fixed to the groove of transverse process 2.

Adopt split of the present utility model design artificial vertebral body, doctor can be made when carrying out surgical operation, operate safer, first place conical body, then place vertebral arch, be placed in the nerve in taper hole not easily impaired, without the setting of other pedicle nail and titanium net, effectively reduce operating difficulty.

With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not necessarily departing from this utility model technological thought, can carry out various change and amendment completely. The technical scope of this utility model is not limited to the content in description, it is necessary to determine its technical scope according to right.

Claims

1. an artificial vertebral body, it is characterized in that: there is vertebral body body, appendix of vertebra, described vertebral body body one end has transverse process, and described transverse process and vertebral body body are structure as a whole, and described appendix of vertebra has vertebral arch, described vertebral arch has lamina of vertebral arch, described transverse process and lamina of vertebral arch removably connect, and described vertebral body body, transverse process and vertebral arch are with taper hole, and described transverse process offers threaded groove, described lamina of vertebral arch offers screw hole, and the screw hole of screw traverse lamina of vertebral arch is fixed to the groove of transverse process.

2. artificial vertebral body according to claim 1, it is characterised in that: the inside of described vertebral body body has multiple emptying aperture, and the inside of described vertebral arch has multiple emptying aperture, and the average diameter of the emptying aperture of described vertebral body body is more than the average diameter of the emptying aperture of vertebral arch.

3. artificial vertebral body according to claim 1, it is characterised in that: the aperture of the emptying aperture of described vertebral body body is 300��900 microns, porosity 50��80%; The aperture of the emptying aperture of described vertebral arch is 300��900 microns; Porosity 50��80%.

4. artificial vertebral body according to claim 1, it is characterised in that: described vertebral body body and transverse process are formed by 3D is printing integrated, and described appendix of vertebra is formed by 3D is printing integrated.

5. artificial vertebral body according to claim 1, it is characterised in that: described screw head has threaded conical head, and the screw hole top of described lamina of vertebral arch is provided with the threaded cone tank coordinated with conical head.