CN104688296B - The snakelike puncture bone cone of one kind orientation - Google Patents
The snakelike puncture bone cone of one kind orientation Download PDFInfo
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- CN104688296B CN104688296B CN201510117892.8A CN201510117892A CN104688296B CN 104688296 B CN104688296 B CN 104688296B CN 201510117892 A CN201510117892 A CN 201510117892A CN 104688296 B CN104688296 B CN 104688296B
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- puncture
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- bone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1604—Chisels; Rongeurs; Punches; Stamps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
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- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The snakelike puncture bone cone of one kind orientation,When being intended to overcome progress one side puncture in vertebroplasty of the prior art,Because Centesis instrument is all straight,Easily there is the shortcomings that bone cement one side distribution,There is provided a kind of orientation snakelike puncture bone cone,Including Handheld Division,Bone cone punctures bar body and puncture portion,Also include directing curves pars convoluta,Directing curves pars convoluta is made up of one group of connector head and the tail connection,Connector includes connection end and fixing end,The upper surface of connection end is inclined-plane,Neck is provided with fixing end,The connection end of two neighboring connector forms the rotation connection structure of shaft hole matching with fixing end grafting,The inclined-plane incline direction of the connection end of one group of connector is identical,Bone cone punctures the rotation connection structure of the fixing end grafting formation shaft hole matching of bar body and connector,The connection end grafting of puncture portion and connector forms the rotation connection structure of shaft hole matching.It is of the invention unilateral puncture bone cement centrum both sides can equiblibrium mass distribution, the environment suitable for implementing PVP puncturing operations.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of snakelike puncture bone cone of orientation.
Background technology
Vertebroplasty abbreviation PVP, because its is minimally invasive, good analgesic effect, can leave the bed in early days many advantages, such as obtain in clinic
Extensive use, one of important method for the treatment of osteoporotic vertebral fracture has been increasingly becoming it.PVP standard procedures are
Bilateral vertebral pedicle puncture, to reduce the damage to patient, shorten operating time, current most clinicians tend to unilateral puncture
Carry out PVP operations.The Centesis instrument such as puncture needle and working column yet with operation and bone cone is all straight, bone passage
Only in side, the bone cement of injection, which is easier to be distributed in, punctures this side, and not being distributed bone cement pleurocentrum rigidity can not return to
Normal vertebral body is horizontal.To avoid the phenomenon from occurring, it is necessary to adjust point of puncture, puncture angle repeatedly, or even the offside of increase centrum
Puncture, add the wound of patient, if excessively introversion puncture needle, be also easy to cause pedicle of vertebral arch inwall and neurotrosis.
The content of the invention
During instant invention overcomes carrying out unilateral puncture in vertebroplasty of the prior art, because Centesis instrument is all straight
Shape, only in side, easily there is the unilateral distribution of bone cement, it is necessary to adjust point of puncture, puncture angle repeatedly in bone passage, or even increase
The shortcomings that offside of centrum punctures, there is provided the snakelike puncture bone cone of one kind orientation.
The present invention realizes that the technical scheme that goal of the invention uses is：The snakelike puncture bone cone of one kind orientation, including Handheld Division, bone
Cone punctures bar body and puncture portion, and bone cone punctures bar body and is arranged between Handheld Division and puncture portion, in addition to directing curves pars convoluta,
Described directing curves pars convoluta is made up of the head and the tail connection of one group of connector, and connector includes connection end and fixing end, connection end it is upper
Surface is inclined-plane, and the neck with the connection end grafting of another connector, the connection of two neighboring connector are provided with fixing end
End forms the rotation connection structure of shaft hole matching, the inclined-plane incline direction phase of the connection end of one group of connector with fixing end grafting
Together, bone cone punctures the rotation of the fixing end grafting formation shaft hole matching of the front end of bar body and the connector of directing curves pars convoluta end
Attachment structure, the afterbody in puncture portion are provided with locating slot, the connection end of the afterbody in puncture portion and the connector of directing curves pars convoluta front end
Grafting forms the rotation connection structure of shaft hole matching.
The beneficial effects of the invention are as follows：Directing curves pars convoluta changes the bone channel direction of former straight Centesis instrument, directing curves
For pars convoluta along the inside lateral bend of certain radian, guided puncture portion is close to the centre position of centrum, even across centrum saggital midline,
By adjusting the direction of bone passage, the effective streamer position for guiding bone cement, unilateral puncture bone cement centrum both sides are realized all
The purpose of energy equiblibrium mass distribution.Without adjusting point of puncture, puncture angle repeatedly, puncture, save without the offside of increase centrum
Operating time, reduce the wound of patient.
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the plumbness structural representation of the present invention.
Fig. 2 is the case of bending structural representation of the present invention.
Fig. 3 is the structural representation of the connector of the present invention.
Fig. 4 is Fig. 3 A-A sectional views.
Fig. 5 is the assembling schematic diagram of the two neighboring connector of the present invention.
Fig. 6 is the use state diagram of the present invention.
In accompanying drawing, 1 it is Handheld Division, 2 is that to puncture bar body, 2-1 be that bone cone punctures the front end of bar body, 3 is connection to bone cone
Part, 3-1 are connection end, 3-2 is fixing end, 3-2-1 is neck, 3-3 is connecting hole, 3-4 is locating shaft, 4 is puncture portion, 4-1
It is working column for afterbody that the head in puncture portion, 4-2 are puncture portion, 5,6 is centrum.
Embodiment
As shown in drawings, the snakelike puncture bone cone of one kind orientation of the present embodiment, including Handheld Division 1, bone cone puncture bar body 2
With puncture portion 4, bone cone punctures bar body 2 and is arranged between Handheld Division 1 and puncture portion 4.Also include directing curves pars convoluta, described determines
Connected and formed from beginning to end by one group of connector 3 to bending section.Connector 3 includes connection end 3-1 and fixing end 3-2.Connection end 3 it is upper
Surface is inclined-plane, and the angle of inclination on inclined-plane determines the degree of crook of whole directing curves pars convoluta, and angle of inclination can be according to being actually needed
Set in advance.The neck 3-2-1 with the connection end 3-1 grafting of another connector 3 is provided with fixing end 3-2.To ensure
Smooth grafting, neck 3-2-1 are corresponding with connection end 3-1 size.The connection end 3-1 and fixing end of two neighboring connector 3
3-3 grafting forms the rotation connection structure of shaft hole matching.Connection is equipped with the connection end 3-1 and fixing end 3-2 of the present embodiment
Hole 3-3, adjacent connection end 3-1 and fixing end 3-3 is movably connected by locating shaft 3-4.To ensure directional curvature
Portion is identical to curving, the connection end 3-1 of one group of connector 3 inclined-plane incline direction.Because connection end 3-1 upper surface is
Inclined-plane, when two neighboring connector 3 connects, the connection end 3-1 of lower section inclined-plane peak side and the fixing end 3-2's of top
Neck 3-2-1 inner surface contacts, the card of the fixing end 3-2 above the connection end 3-1 of the lower section lateral extent of inclined-plane minimum point one
Groove 3-2-1 inner surface has a certain distance, now, in the presence of external force, the fixing end 3-2 of top neck 3-2-1 to
The connection end 3-1 of lower section inclined-plane minimum point side rotates, and when one group of connector 3 recurs rotation, is formed in certain bending
The directing curves pars convoluta of angle.Bone cone punctures the fixing end 3-2 of the front end 2-1 of bar body 2 and the connector 3 of directing curves pars convoluta end
Grafting forms the rotation connection structure of shaft hole matching.In order to obtain bigger angle of bend, directing curves pars convoluta is set to be worn with bone cone
The junction of thorn stick body 2 is with regard to flexible, and the front end 2-1 that the preferable bone cone of the present embodiment punctures bar body 2 is inclined-plane, and bone cone is worn
The front end 2-1 of thorn stick body 2 inclined-plane incline direction is identical with the connection end 3-1 of connector 3 inclined-plane incline direction.
The afterbody 4-2 in puncture portion 4 is provided with locating slot, and the size of locating slot is relative with the connection end 3-1 of connector 3 size
Should, the connection end 3-1 grafting of the afterbody 4-2 in puncture portion 4 and the connector 3 of directing curves pars convoluta front end forms the rotation of shaft hole matching
Attachment structure.Taken the needle in order to facilitate puncture portion 4 in centrum 6, the preferable head 4-1 in puncture portion 4 of the present embodiment upper surface
It is opposite with the connection end 3-1 of connector 3 inclined-plane incline direction for inclined-plane, the head 4-1 in puncture portion 4 inclined-plane incline direction.
The head 4-1 in puncture portion 4 inclined-plane incline direction is consistent with the bending direction of directing curves pars convoluta.
When implementing PVP puncturing operations, paracentesis trocar is inserted in centrum 6, extracts nook closing member, retains working column 5.It incite somebody to action this
The bone cone of invention punctures bar body 2, directing curves pars convoluta and puncture portion 4 and inserted in working column 5.The flexible side of directing curves pars convoluta
Offside is punctured to direction.In puncture process, under external force, between two neighboring connector 3, the fixing end 3-2's of top
The connection end 3-1 of neck 3-2-1 downwards inclined-plane minimum point side rotates, ultimately form directing curves pars convoluta along certain radian to
Interior lateral bend, guided puncture portion 4 is close to the centre position of centrum 6, and the head 4-1 in puncture portion 4 can be crossed in the sagittal of centrum 6
Line, after completing puncture working of the invention, extracts the present invention, retains working column 5, and deployed bone cement is injected into bone cement
Push rod, treat that bone cement is in early stage bulk phase and through service aisle is slowly pushed into centrum 6.By the present invention establish one reach or
The bone passage of the saggital midline of centrum 6 is crossed, and then guides bone cement distribution to reach or cross the saggital midline of centrum 6.Surgical procedure
In, without adjusting point of puncture, puncture angle repeatedly, punctured without the offside of increase centrum 6, saved operating time, reduced
The wound of patient.
Claims (3)
1. the snakelike puncture bone cone of one kind orientation, including Handheld Division, bone cone puncture bar body and puncture portion, bone cone punctures bar body and set
Put between Handheld Division and puncture portion, it is characterised in that also including directing curves pars convoluta, described directing curves pars convoluta is by one group of connection
Part（3）Head and the tail connection composition, connector（3）Including connection end（3-1）And fixing end（3-2）, connection end（3-1）Upper surface be
Inclined-plane, fixing end（3-2）It is interior to be provided with and another connector（3）Connection end（3-1）The neck of grafting（3-2-1）, adjacent two
Individual connector（3）Connection end（3-1）With fixing end（3-2）Grafting forms the rotation connection structure of shaft hole matching, connection end（3-
1）And fixing end（3-2）On be equipped with connecting hole（3-3）, pass through locating shaft（3-4）By adjacent connection end（3-1）With fixing end
（3-2）It is flexibly connected, one group of connector（3）Connection end（3-1）Inclined-plane incline direction it is identical, bone cone puncture bar body（2）
Front end（2-1）With the connector of directing curves pars convoluta end（3）Fixing end（3-2）Grafting forms the rotation connection of shaft hole matching
Structure, puncture portion（4）Afterbody（4-2）Provided with locating slot, puncture portion（4）Afterbody（4-2）With the company of directing curves pars convoluta front end
Fitting（3）Connection end（3-1）Grafting forms the rotation connection structure of shaft hole matching.
A kind of 2. snakelike puncture bone cone of orientation according to claim 1, it is characterised in that described puncture portion（4）Head
Portion（4-1）Upper surface be inclined-plane, puncture portion（4）Head（4-1）Inclined-plane incline direction and connector（3）Connection end
（3-1）Inclined-plane incline direction it is opposite.
A kind of 3. snakelike puncture bone cone of orientation according to claim 1 or 2, it is characterised in that described bone cone puncturing lever
Body（2）Front end（2-1）For inclined-plane, bone cone punctures bar body（2）Front end（2-1）Inclined-plane incline direction and connector
（3）Connection end（3-1）Inclined-plane incline direction it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117892.8A CN104688296B (en) | 2015-03-18 | 2015-03-18 | The snakelike puncture bone cone of one kind orientation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117892.8A CN104688296B (en) | 2015-03-18 | 2015-03-18 | The snakelike puncture bone cone of one kind orientation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104688296A CN104688296A (en) | 2015-06-10 |
| CN104688296B true CN104688296B (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510117892.8A Active CN104688296B (en) | 2015-03-18 | 2015-03-18 | The snakelike puncture bone cone of one kind orientation |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157554A (en) * | 2017-06-26 | 2017-09-15 | 内江市市中区人民医院 | A kind of percutaneous vertbroplasty positioning puncture needle and sting device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5203595A (en) * | 1990-02-02 | 1993-04-20 | Pfizer Hospital Products Group, Inc. | Dovetail-type coupling device and method |
| CN2123989U (en) * | 1992-05-05 | 1992-12-09 | 泸州医学院附属医院 | Abdominal plexus puncture curved needle |
| WO1997003611A1 (en) * | 1995-07-18 | 1997-02-06 | Edwards, Garland, U. | Flexible shaft |
| DE19608809C2 (en) * | 1996-03-07 | 1998-04-09 | Karlsruhe Forschzent | Instrument for minimally invasive surgery |
| US7959634B2 (en) * | 2004-03-29 | 2011-06-14 | Soteira Inc. | Orthopedic surgery access devices |
| US7503920B2 (en) * | 2004-08-11 | 2009-03-17 | Tzony Siegal | Spinal surgery system and method |
| US20060106288A1 (en) * | 2004-11-17 | 2006-05-18 | Roth Alex T | Remote tissue retraction device |
| US8562610B2 (en) * | 2010-07-13 | 2013-10-22 | Warsaw Orthopedic, Inc. | Compliant device and method for cutting an intervertebral disc |
| JP6192341B2 (en) * | 2013-04-08 | 2017-09-06 | オリンパス株式会社 | Puncture needle |
| CN203483483U (en) * | 2013-09-25 | 2014-03-19 | 王新虎 | Puncture guiding device |
| CN204600593U (en) * | 2015-03-18 | 2015-09-02 | 马克 | A kind of directed snakelike puncture bone cone |
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- 2015-03-18 CN CN201510117892.8A patent/CN104688296B/en active Active
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| CN104688296A (en) | 2015-06-10 |
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