CN203483483U - Puncture guiding device - Google Patents
Puncture guiding device Download PDFInfo
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- CN203483483U CN203483483U CN201320596042.7U CN201320596042U CN203483483U CN 203483483 U CN203483483 U CN 203483483U CN 201320596042 U CN201320596042 U CN 201320596042U CN 203483483 U CN203483483 U CN 203483483U
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- puncture
- bone cement
- cervical region
- vertebral body
- head
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Abstract
The utility model discloses a puncture guiding device, and belongs to the field of medical instruments. The puncture guiding device comprises a guiding rod. The guiding rod comprises a spindly head portion and a body portion shaped like a straight rod, wherein an elastic and arc neck portion is further arranged between the head portion and the body portion. According to the puncture guiding device, the elastic and arc neck portion and the body portion shaped like the straight rod form a certain angle, one or multiple arc bone passages penetrate out of appropriate positions inside a vertebral body according to needs, and bone cement or a saccule is guided to reach the ideal position. Therefore, the purpose that the bone cement is evenly distributed inside the vertebral body can be achieved while puncture is carried out only at one side of the vertebral body, operation curative effects are improved, operation time is shortened, ray intake injury to doctors and patients is reduced, larger injury to the patients caused by puncture at two sides of the vertebral body is avoided, the situation that in order to achieve the effect that the bone cement is scattered in a larger range, the bone cement is pushed and injected with over high pressure is avoided, further the possibility of leakage of the bone cement is reduced, and complications causing injury to nerve, blood vessel and the like are reduced.
Description
Technical field
This utility model relates to medical instruments field, in particular to a kind of guiding puncture device.
Background technology
Percutaneous vertebroplasty (PVP) and percutaneous balloon kyphoplasty (PKP), having obtained gratifying effect aspect treatment senile osteoporosis compression fracture of vertabral body, have been to treat at present comparatively ideal minimally-invasive treatment method in Osteoporotic Vertebral Compression Fractures.
The principle of PVP is under iconography monitoring, through skin, puncture needle and sleeve pipe is accurately punctured in anterior vertebral, extracts puncture needle, keeps somewhere puncture casing, then by this sleeve pipe, bone cement is expelled in vertebral body.PKP is the new technique growing up on the basis of PVP, the placement of its puncture casing is identical with PVP, then by puncture casing, insert straight bone drill, in vertebral body, form a straight bone passage, sacculus is inserted to bone passage to be expanded, in vertebral body, form the bone cavity of a relative closure, then be injected into the bone cement that viscosity is relatively high.
Although PVP and PKP technology have obtained significant clinical effectiveness, but because the operation puncture needle of use and working column and bone drill etc. are all straight shapes, while making to puncture, these instruments can only arrive a certain specific part of vertebral body at every turn, also make bone cement more easily be distributed in this side of puncture, be difficult to reach Intrapyramidal being uniformly distributed, affect surgical effect.This just need to adjust point of puncture, puncture angle repeatedly, or increases the offside puncture of vertebral body, has increased patient's wound, has extended operating time, has also increased doctors and patients' radiation damage.
Utility model content
The purpose of this utility model is to provide a kind of guiding puncture device, to solve existing Centesis instrument, need to repeatedly adjust point of puncture and puncture angle, or increase the puncture of vertebral body offside, increase patient's wound, extend operating time, also increased the problem of doctors and patients' radiation damage.
This utility model provides a kind of guiding puncture device, comprises guide rod, and described guide rod comprises the body of fusiform head and direct rod shape, is also provided with the cervical region of flexible arc between described head and described body.This guiding puncture device is particularly useful for percutaneous vertebroplasty and percutaneous balloon kyphoplasty, the arcuate neck of this guiding puncture device and shaft-like body have formed certain angle, make it in vertebral body, pass as required one or more arc bone passages, guiding bone cement or sacculus arrive desirable position, only need to just can reach bone cement equally distributed object in vertebral body in a side puncture for vertebral body, improved operative effect, reduced operating time, also reduced doctors and patients' ray and taken in damage.Avoided the puncture in vertebral body both sides to cause larger wound to patient, also avoided using excess pressure to inject bone cement for obtaining bone cement disperse in a big way simultaneously, thereby reduced bone cement, leak out to the probability outside vertebral body, reduce the complication that causes the infringements such as neural blood vessel.Further, one end away from described cervical region of described head is pointed.Be more convenient for head like this through sclerotin.
Further, the maximum gauge of described head is identical with the diameter of described body.Make the channel diameter that passes consistent with body diameter, be conducive to guide bone cement or sacculus to arrive desirable position in vertebral body.
Further, the diameter of described cervical region is less than the diameter of described body, and the diameter of described cervical region is less than the maximum gauge of described head.Be convenient to like this cervical region and there is suitable elasticity, be also convenient to be pre-bent to certain radian, and in vertebral body, resist certain bone resistance.
Further, described cervical region and described head joint take the form of inclined plane.Inclined-plane plays the effect of guiding transition, is convenient to the taking-up of guiding puncture device.
Further, straight line A becomes the angle of 30 ° with straight line B, and the described straight line A end away from described cervical region that is described head and the line of described cervical region and described body junction, the centrage that described straight line B is described body.Arrange like this and be more conducive to grasp the position that the head of guiding puncture device is inserted, and the scope of application of this angle is larger, can generally satisfy the demand.
Further, also comprise handle, described handle is positioned at one end away from described cervical region of described body, and described handle is connected with described body is vertical.Being convenient to the application of force inserts guiding puncture device or take out.
Further, described body is provided with the scale of groove shape.While being convenient to puncture, grasp paracentesis depth, reduce perspective number of times, save operating time, reduce doctors and patients' ray and take in damage.
The beneficial effects of the utility model are, by flexible arc cervical region and the shaft-like body being provided with, formed certain angle, make its position suitable in vertebral body pass as required one or more arc bone passages, guiding bone cement or sacculus arrive desirable position, so only need to just can reach bone cement equally distributed object in vertebral body in a side puncture for vertebral body, improved operative effect, reduced operating time, also reduced doctors and patients' ray and taken in damage.Avoided the puncture in vertebral body both sides to cause larger damage to patient, also avoided using excess pressure to inject bone cement for obtaining bone cement disperse in a big way simultaneously, thereby reduced bone cement, leak out to the probability outside vertebral body, reduce the complication that causes the infringements such as neural blood vessel.
Accompanying drawing explanation
Fig. 1 shows the front view of the guiding puncture device that this utility model the first embodiment provides;
Fig. 2 shows the side view of the guiding puncture device that this utility model the first embodiment provides;
Fig. 3 shows the front view of the guiding puncture device that this utility model the second embodiment provides;
Fig. 4 shows the side view of the guiding puncture device that this utility model the second embodiment provides;
Schematic diagram when the guiding puncture device that Fig. 5 shows this utility model the second embodiment to be provided coordinates puncture casing to use;
Fig. 6 shows the schematic diagram in percutaneous vertebroplasty or percutaneous balloon kyphoplasty that this utility model the second embodiment provides;
Fig. 7 shows the schematic diagram in the operation of severe compression fracture that this utility model the second embodiment provides.
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings this utility model is described in further detail.
Fig. 1, Fig. 2 show the guiding puncture device that this utility model the first embodiment provides, comprise guide rod, guide rod comprises the body 3 of fusiform head 1 and direct rod shape, between head 1 and body 3, be also provided with the cervical region 2 of flexible arc, straight line A7 is the line of the end away from cervical region 2 and cervical region 2 and body 3 junctions of head 1, straight line B8 is the centrage of body 3, the angle that straight line A7 and straight line B8 are at 45 °, and the head 1 that is beneficial to this guiding puncture device of grasp is inserted Intrapyramidal position.One end away from cervical region 2 of head 1 is facet, and the maximum gauge of head 1 is greater than the diameter of body 3.The diameter of cervical region 2 is less than the diameter of body 3, and the diameter of cervical region 2 is less than the maximum gauge of head 1, makes cervical region 2 have suitable elasticity, is also convenient to be pre-bent to certain radian, and can resists certain bone resistance; Cervical region 2 is plane with head 1 joint.
Guiding puncture device in the present embodiment is in percutaneous vertebroplasty or percutaneous balloon kyphoplasty, guiding puncture device thrusts vertebral body by head 1, and in vertebral body, pass the one or more arc bone passages consistent with cervical region 2 radians, thereby guiding bone cement or sacculus arrive desirable position in vertebral body along this passage.So only need to just can reach bone cement equally distributed object in vertebral body in a side puncture for vertebral body, improve operative effect, reduce operating time, also reduce doctors and patients' ray and taken in damage.Avoided the puncture in vertebral body both sides to cause larger damage to patient, also avoided using excess pressure to inject bone cement for obtaining bone cement disperse in a big way simultaneously, thereby reduced bone cement, leak out to the probability outside vertebral body, reduce the complication that causes the infringements such as neural blood vessel.
Fig. 3 to Fig. 7 shows the guiding puncture device that this utility model the second embodiment provides, and this guiding puncture device is particularly useful for percutaneous vertebroplasty and percutaneous balloon kyphoplasty, can coordinate common puncture casing 5 to use.This guiding puncture device comprises guide rod, guide rod comprises the body 3 of fusiform head 1 and direct rod shape, between head 1 and body 3, be also provided with the cervical region 2 of flexible arc, straight line A7 is the line of the end away from cervical region 2 and cervical region 2 and body 3 junctions of head 1, straight line B8 is the centrage of body 3, straight line A7 becomes the angle of 30 ° with straight line B8, be beneficial to and grasp the position that the head 1 of this guiding puncture device is inserted, and this angle can generally be satisfied the demand.
One end away from cervical region 2 of head 1 is pointed, and the head 1 of being more convenient for is like this through sclerotin; The maximum gauge of head 1 is identical with the diameter of body 3, makes the channel diameter that passes consistent with body diameter, is more conducive to guiding puncture.The diameter of cervical region 2 is less than the diameter of body 3, and the diameter of cervical region 2 is less than the maximum gauge of head 1, makes cervical region 2 have suitable elasticity, is also convenient to be pre-bent to certain radian, and can resists certain bone resistance; Cervical region 2 takes the form of inclined plane with head 1 joint, is convenient to the taking-up of guiding puncture device.This guiding puncture device also comprises handle 4, and handle 4 is positioned at one end away from cervical region 2 of body 3, and handle 4 is connected with body 3 is vertical, is convenient to the application of force guiding puncture device is inserted or taken out.The body 3 of this guiding puncture device is also provided with the scale 9 of groove shape, between scale 9, is spaced apart 1cm, grasps paracentesis depth while being convenient to puncture, and reduces perspective number of times, saves operating time, reduces doctors and patients' ray and takes in damage.
Guiding puncture device in the present embodiment is in percutaneous vertebroplasty or percutaneous balloon kyphoplasty, by head 1, thrust vertebral body 6, and in vertebral body 6, pass the one or more arc bone passages consistent with cervical region 2 radians, thereby guiding bone cement or sacculus arrive desirable position.So only need a side puncture, just can make bone cement reach equally distributed object in vertebral body, improved operative effect, reduced operating time, also reduced doctors and patients' ray and taken in damage.Avoided the puncture in vertebral body both sides to cause larger damage to patient, also avoided using excess pressure to inject bone cement for obtaining bone cement disperse in a big way simultaneously, thereby reduced bone cement, leak out to the probability outside vertebral body, reduce the complication that causes the infringements such as neural blood vessel.And in the severe vertebral compression fracture operation that puncture is had relatively high expectations, the structure of this guiding device can be adjusted at Intrapyramidal direction flexibly, therefore to the placing direction of puncture casing 5 without excessive demand, as long as enter vertebral body 6 trailing edges, rely on this device just can well guide bone cement, sacculus to arrive the ideal position of vertebral body, expand the indication of percutaneous vertebroplasty or percutaneous balloon kyphoplasty, benefited more patient.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a guiding puncture device, comprises guide rod, it is characterized in that, described guide rod comprises the body of fusiform head and direct rod shape, is also provided with the cervical region of flexible arc between described head and described body.
2. guiding puncture device according to claim 1, is characterized in that, one end away from described cervical region of described head is pointed.
3. guiding puncture device according to claim 1, is characterized in that, the maximum gauge of described head is identical with the diameter of described body.
4. guiding puncture device according to claim 1, is characterized in that, the diameter of described cervical region is less than the diameter of described body, and the diameter of described cervical region is less than the maximum gauge of described head.
5. guiding puncture device according to claim 1, is characterized in that, described cervical region and described head joint take the form of inclined plane.
6. guiding puncture device according to claim 1, it is characterized in that, straight line A becomes the angle of 30 ° with straight line B, and the described straight line A end away from described cervical region that is described head and the line of described cervical region and described body junction, the centrage that described straight line B is described body.
7. guiding puncture device according to claim 1, is characterized in that, also comprises handle, and described handle is positioned at one end away from described cervical region of described body, and described handle is connected with described body is vertical.
8. guiding puncture device according to claim 1, is characterized in that, described body is provided with the scale of groove shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596042.7U CN203483483U (en) | 2013-09-25 | 2013-09-25 | Puncture guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596042.7U CN203483483U (en) | 2013-09-25 | 2013-09-25 | Puncture guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203483483U true CN203483483U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320596042.7U Expired - Fee Related CN203483483U (en) | 2013-09-25 | 2013-09-25 | Puncture guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203483483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688296A (en) * | 2015-03-18 | 2015-06-10 | 马克 | Oriented snake-shaped puncture bone awl |
| 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 |
-
2013
- 2013-09-25 CN CN201320596042.7U patent/CN203483483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688296A (en) * | 2015-03-18 | 2015-06-10 | 马克 | Oriented snake-shaped puncture bone awl |
| 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20140925 |
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| EXPY | Termination of patent right or utility model |