CN208355548U - A kind of porous bone filler delivery pipe of band - Google Patents
A kind of porous bone filler delivery pipe of band Download PDFInfo
- Publication number
- CN208355548U CN208355548U CN201721128712.7U CN201721128712U CN208355548U CN 208355548 U CN208355548 U CN 208355548U CN 201721128712 U CN201721128712 U CN 201721128712U CN 208355548 U CN208355548 U CN 208355548U
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- outer tube
- delivery pipe
- bone filler
- porous bone
- filler delivery
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 50
- 239000000945 filler Substances 0.000 title claims abstract description 45
- 238000002347 injection Methods 0.000 claims abstract description 83
- 239000007924 injection Substances 0.000 claims abstract description 83
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 208000010392 Bone Fractures Diseases 0.000 abstract description 14
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000000956 alloy Substances 0.000 description 8
- 239000013013 elastic material Substances 0.000 description 8
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 3
- 206010010214 Compression fracture Diseases 0.000 description 2
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a kind of porous bone filler delivery pipes of band, including outer tube and the outer tube handle being fixedly connected with the proximal end of outer tube, outer tube includes the straight section of stationary curved section of distal portions and proximal part, stationary curved section of proximal end is fixedly connected with the distal end of straight section, it closes the distal end of outer tube, the tube wall of stationary curved section of distal portions is equipped with multiple outer injection orifices, and the maximum area of each outer injection orifice is less than 2.8mm2；The area for limiting outer injection orifice can be effectively prevented excessive broken bone and enter the injection canal of bone filler through casing injection orifice and cause blocking, reduce operation risk.
Description
Technical field
The utility model relates to bone filler delivery instruments, especially in percutaneous vertbroplasty (PCVP) or percutaneous vertebral body
A kind of porous bone filler delivery pipe of band used in convex plasty (PCKP) afterwards.
Background technique
Because compression fracture of vertabral body caused by osteoporosis is mainly in the elderly, as aging of population deepens continuously,
The patient for suffering from this disease is also increasing sharply, and percutaneous vertbroplasty (PVP) or Percutaneous kyplasty (PKP) exist
Irreplaceable role is wherein played.Currently, the bone filler delivery pipe with plugging device is widely used in vertebral plasty
In art, image documentation equipment monitoring under, by external force into the cancellous space of vertebra injection fillers object (such as bone cement), reach and repair
Multiple vertebral height enhances the strength and stability of centrum, reduction of patient pain in back and loin, so that treatment is due to caused by osteoporosis
The purpose of compression fracture of vertabral body.
The external bone filler delivery pipe with plugging device used in vertebroplasty (PCVP or PCKP) at present,
Such as the foreign patent application of Patent No. US7799035B2 discloses a kind of percutaneous vertebroplasty surgical instrument, wherein being retouched
The bone filler delivery pipe stated be exactly it is curved, the delivery pipe hardness in this patent is very high, this delivery pipe there are two types of usage, first is that
Expand a cavity in advance in centrum before this using this delivery pipe, the shape of this cavity be similar to it is horn-like, then again toward vertebra
Bone filler is perfused in body, and a point can only be perfused in primary operation, second is that bone filler is directly perfused, do not expand one in advance
Chamber, and a point can only be perfused in primary operation, such delivery pipe expands a cavity in advance, and the shape of this cavity is horn-like
, cause bone filler to be unevenly distributed in centrum, increases the probability of complication generation and the risk of secondary fracture, then
Such percutaneous vertebroplasty surgical instrument of person, needs to extract in operation the fuse in delivery pipe, the effect of fuse be for
The injection canal integrated operation for preventing big broken bone from entering delivery cannula blocking bone filler is complicated, extends operating time,
Increase operation risk.
For the problems of the prior art, a kind of using flexible is needed, it is easy to operate, operating time can be shortened, and
It is able to achieve multi-point injection, and then can reduce the bone filler delivery pipe of complication rate.
Utility model content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of band is porous
Bone filler delivery pipe, the injection canal that big broken bone enters bone filler through casing injection orifice when preventing instrument from entering human body draw
Blocking is played, easy to operate flexible, the method for passing through delivery pipe of dropping back realizes multi-point injection.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of porous bone filler delivery pipe of band, including outer tube and the outer tube hand being fixedly connected with the proximal end of the outer tube
Handle, the outer tube include the stationary curved section of straight section with proximal part of distal portions, and the distal end closing of the outer tube is described solid
The tube wall for determining the distal portions of bending section is equipped with multiple outer injection orifices.
The purpose of this utility model can also be further realized by technical solution below:
Preferably, the maximum area of each outer injection orifice is less than 2.8mm2。
Preferably, multiple outer injection orifices are arranged in M shape structure.
Preferably, multiple outer injection orifices are arranged in cross-shaped structure.
Preferably, multiple outer injection orifices are arranged in triangle, rectangular, star, diamond shape or other polygonized structures.
Preferably, multiple outer injection orifices are along the distal end circumferential array of the outer tube at circular configuration.
It is furthermore preferred that multiple outer injection orifices are circumferentially arranged in parallel at two round knots along the distal end of the outer tube
Structure.
Preferably, described stationary curved section by elastic material, memory alloy material or elastic material and memorial alloy material
The combination of material is made.
Preferably, stationary curved section of the proximal end is fixedly connected with the distal end of the straight section.
Preferably, the outer injection orifice is integrally cut by the outer tube.
Compared with the existing technology, as follows with progress the advantages of the utility model:
The utility model only has outer tube with porous bone filler delivery pipe, so that patient is when using instrument without taking out
Depoling, reduces the operating procedure of instrument；Multiple outer injection orifices keep flowing to for bone filler more uniform, so that bone be made to fill
The diffusion of object is preferable, mechanical property of the enhancing by affected part position；Multiple outer injection orifices can reduce outer injection orifice and all be blocked
On risk, be advantageously implemented the purpose for preventing biggish broken bone from entering delivery pipe；The maximum area of each outer injection orifice is less than
2.8mm2Excessive broken bone is effectively prevented by limiting practical bone filler outlet size enters bone through casing injection orifice fill out
It fills the injection canal of object and causes to block.
Moreover, the utility model with porous bone filler delivery pipe, the method for passing through whole delivery pipe of dropping back is realized
Multi-point injection, it is easy to operate, complication rate is reduced, operation risk is reduced.
Detailed description of the invention
Fig. 1 a is the overall structure diagram of one embodiment of the utility model；
Fig. 1 b is the structural schematic diagram of the outer tube of one embodiment of the utility model；
Fig. 1 c is the circumferentially deploying figure of the outer injection orifice of one embodiment of the utility model；
Fig. 1 d is usage state diagram of the one embodiment of the utility model in multi-point injection；
Fig. 2 a is the overall structure diagram of second embodiment of the utility model；
Fig. 2 b is the structural schematic diagram of the outer tube of second embodiment of the utility model；
Fig. 2 c is the circumferentially deploying figure of the outer injection orifice of second embodiment of the utility model；
Fig. 2 d is usage state diagram of second embodiment of the utility model in multi-point injection；
Fig. 3 a is the overall structure diagram of the third embodiment of the utility model；
Fig. 3 b is the structural schematic diagram of the outer tube of the third embodiment of the utility model；
Fig. 3 c is the circumferentially deploying figure of the outer injection orifice of the third embodiment of the utility model；
Fig. 3 d is usage state diagram of the third embodiment of the utility model in multi-point injection；
Label wherein in the figures above is as follows: 1 is outer tube, and 2 be outer tube handle, and 3 be puncture needle handle, and 10 be outer injection
Hole, 11 be stationary curved section, and 12 be straight section, and 13 be outer tube mark line, and 31 be puncture needle handle mark line.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, develop simultaneously reality referring to the drawings
Example is applied the utility model is described in detail.
Proximal end described in the utility model refers to that one end close to operator, the distal end refer to far from surgical procedure
One end of person.
Embodiment 1:
As shown in Figure 1a, the porous bone filler delivery pipe of a kind of band, including outer tube 1 and outer tube handle 2, the outer tube 1
Proximal end be fixedly connected with the outer tube handle 2, as shown in Figure 1 b, stationary curved section 11 of the outer tube 1 including distal portions
With the straight section 12 of proximal part, stationary curved section 11 of the proximal end is fixedly connected with the distal end of the straight section 12, can use
The connection of nested gluing or other equivalent connection types are fixed, stationary curved section 11 of the making material be elastic material or
The combination of memory alloy material or elastic material and memory alloy material, the tube wall of stationary curved section 11 of the distal portions
Multiple outer injection orifices 10 are equipped with, the maximum area of each outer injection orifice 10 is less than 2.8mm2, the area of outer injection orifice 10
It is that size is exported to determine by practical bone filler, excessive broken bone can be effectively prevented through casing injection orifice and enter bone filling
The injection canal of object and cause to block.The distal end of the outer tube 1 is closed, and the outer injection orifice 10 is cut by 1 one of outer tube
It forms.As illustrated in figure 1 c, multiple outer injection orifices 10 are arranged in M shape structure, by adjusting the outer tube handle 2, so that
The outer tube 1 moves reciprocatingly relative to puncture needle handle 3, is realized by the pressure of the bone filler conveyed in the outer tube 1
Opening of the outer injection orifice 10 in target position.The outer injection orifice 10 of this M shape Structural assignments makes bone filler outside
Flowing to for 1 distal end of pipe is more uniform, to keep the diffusion of bone filler preferable, enhances the mechanical property by affected part position, and
And multiple outer injection orifices 10 can reduce the risk that outer injection orifice 10 is all blocked, be advantageously implemented prevent biggish broken bone into
Enter the purpose of delivery pipe.And only outer tube 1 makes patient, without withdrawing fuse, reduce the operation of instrument when using instrument
Step.
In use, as shown in Figure 1 d, puncture needle handle mark line 31 is equipped on puncture needle handle 3, described in
Delivery pipe is inserted into puncture needle syringe, and the delivery pipe mark line a is overlapped with puncture needle handle mark line 31 at this time, passes through tune
Outer tube handle 2 is saved, does the outer tube mark line 13 being arranged on 1 proximal part of outer tube back and forth relative to puncture needle handle mark line 31
Movement, is overlapped delivery pipe mark line b ... n with puncture needle handle mark line 31 respectively, realizes the outer injection orifice 10 of delivery pipe
Constantly from distally moving to the near end, after each outer tube mark line 13 is overlapped with puncture needle handle mark line 31, to selected click-through
Row perfusion, is repeatedly adjusted, multi-point injection.
Embodiment 2:
As shown in Figure 2 a, the porous bone filler delivery pipe of a kind of band, including outer tube 1 and outer tube handle 2, the outer tube 1
Proximal end be fixedly connected with the outer tube handle 2, as shown in Figure 2 b, stationary curved section 11 of the outer tube 1 including distal portions
With the straight section 12 of proximal part, stationary curved section 11 of the proximal end is fixedly connected with the distal end of the straight section 12, can use
The connection of nested gluing or other equivalent connection types are fixed, stationary curved section 11 of the making material be elastic material or
The combination of memory alloy material or elastic material and memory alloy material, the tube wall of stationary curved section 11 of the distal portions
Multiple outer injection orifices 10 are equipped with, the maximum area of each outer injection orifice 10 is less than 2.8mm2, the face of outer injection orifice 10
Product is to export size by practical bone filler to determine, can be effectively prevented excessive broken bone and enters bone through casing injection orifice and fill out
It fills the injection canal of object and causes to block.The distal end of the outer tube 1 is closed, and outer 10 plugging device of injection orifice is by the outer tube
1 integrally cuts.As shown in Figure 2 c, the multiple outer injection orifice 10 is arranged in cross-shaped structure, multiple holes
Arrangement can prevent larger broken bone from entering bone filler injection canal through outer injection orifice 10, by adjusting the outer tube handle
2, so that the outer tube 1 moves reciprocatingly relative to puncture needle handle 3, by the pressure of the bone filler conveyed in the outer tube 1
Power realizes the outer injection orifice 10 in the opening of target position.The outer injection orifice 10 of this cross-shaped structure arrangement fills bone
Object is more uniform in flowing to for 1 distal end of outer tube, thus keep the diffusion of bone filler preferable, mechanical property of the enhancing by affected part position
Can, and multiple outer injection orifices 10 can reduce the risk that outer injection orifice 10 is all blocked, and it is biggish to be advantageously implemented prevention
Broken bone enters the purpose of delivery pipe.And only outer tube 1 makes patient, without withdrawing fuse, reduce instrument when using instrument
Operating procedure, the purpose for preventing biggish broken bone from entering delivery pipe equally may be implemented.The plurality of outer injection orifice 10
Triangle, rectangular, star, diamond shape or other polygonized structures, which can also be arranged in, equally can play above-mentioned equivalent technology effect
Fruit.
In use, as shown in Figure 2 d, puncture needle handle mark line 31 is equipped on puncture needle handle 3, described in
Delivery pipe is inserted into puncture needle syringe, and the delivery pipe mark line a is overlapped with puncture needle handle mark line 31 at this time, passes through tune
Outer tube handle 2 is saved, does the outer tube mark line 13 being arranged on 1 proximal part of outer tube back and forth relative to puncture needle handle mark line 31
Movement, is overlapped delivery pipe mark line b ... n with puncture needle handle mark line 31 respectively, realizes the outer injection orifice 10 of delivery pipe
Constantly from distally moving to the near end, after each outer tube mark line 13 is overlapped with puncture needle handle mark line 31, to selected click-through
Row perfusion, is repeatedly adjusted, multi-point injection.
Embodiment 3:
As shown in Figure 3a, the porous bone filler delivery pipe of a kind of band, including outer tube 1 and outer tube handle 2, the outer tube 1
Proximal end be fixedly connected with the outer tube handle 2, as shown in Figure 3b, stationary curved section 11 of the outer tube 1 including distal portions
With the straight section 12 of proximal part, stationary curved section 11 of the proximal end is fixedly connected with the distal end of the straight section 12, can use
The connection of nested gluing or other equivalent connection types are fixed, stationary curved section 11 of the making material be elastic material or
The combination of memory alloy material or elastic material and memory alloy material, the tube wall of stationary curved section 11 of the distal portions
Multiple outer injection orifices 10 are equipped with, the maximum area of each outer injection orifice 10 is less than 2.8mm2, the area of outer injection orifice 10
It is that size is exported to determine by practical bone filler, excessive broken bone can be effectively prevented through casing injection orifice and enter bone filling
The injection canal of object and cause to block.The distal end of the outer tube 1 is closed, and the outer injection orifice 10 is cut by 1 one of outer tube
It forms.As shown in Figure 3c, multiple outer injection orifices 10 are circumferentially arranged in parallel at two round knots along the distal end of the outer tube 1
Structure.Certainly, multiple outer injection orifices 10 are circumferentially arranged in parallel good at a circular configuration along the distal end of the outer tube 1.
Pass through the outer tube 1 so that the outer tube 1 moves reciprocatingly relative to puncture needle handle 3 by adjusting the outer tube handle 2
The pressure of the bone filler of interior conveying realizes the outer injection orifice 10 in the opening of target position.It is this in 1 distal end of outer tube along week
Make bone filler more uniform in flowing to for 1 distal end of outer tube to the outer injection orifice 10 for being arranged at least one circular configuration, from
And keep the diffusion of bone filler preferable, enhance the mechanical property by affected part position, and multiple outer injection orifices 10 can be reduced
The risk that outer injection orifice 10 is all blocked is advantageously implemented the purpose for preventing biggish broken bone from entering delivery pipe.And only
Outer tube 1 makes patient, without withdrawing fuse, reduce the operating procedure of instrument when using instrument.
In use, as shown in Figure 3d, puncture needle handle mark line 31 is equipped on puncture needle handle 3, described in
Delivery pipe is inserted into puncture needle syringe, and the delivery pipe mark line a is overlapped with puncture needle handle mark line 31 at this time, passes through tune
Outer tube handle 2 is saved, does the outer tube mark line 13 being arranged on 1 proximal part of outer tube back and forth relative to puncture needle handle mark line 31
Movement, is overlapped delivery pipe mark line b ... n with puncture needle handle mark line 31 respectively, realizes the outer injection orifice 10 of delivery pipe
Constantly from distally moving to the near end, after each outer tube mark line 13 is overlapped with puncture needle handle mark line 31, to selected click-through
Row perfusion, is repeatedly adjusted, multi-point injection.
Finally it should be noted that the foregoing is merely the preferred embodiment of the utility model, it is not used to limit
The utility model processed, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc.,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of porous bone filler delivery pipe of band, it is characterised in that: the proximal end including outer tube (1) and with the outer tube (1)
The outer tube handle (2) being fixedly connected, the outer tube (1) include the straight section of stationary curved section of (11) and proximal part of distal portions
(12), the distal end closing of the outer tube (1), the tube wall of the distal portions of stationary curved section (11) are equipped with multiple outer injections
Hole (10).
2. the porous bone filler delivery pipe of band according to claim 1, it is characterised in that: multiple outer injection orifices
(10) it is arranged in M shape structure.
3. the porous bone filler delivery pipe of band according to claim 1, it is characterised in that: multiple outer injection orifices
(10) it is arranged in cross-shaped structure.
4. the porous bone filler delivery pipe of band according to claim 1, it is characterised in that: multiple outer injection orifices
(10) triangle, rectangular, star or diamond structure are arranged in.
5. the porous bone filler delivery pipe of band according to claim 1, it is characterised in that: multiple outer injection orifices
(10) along the distal end circumferential array of the outer tube (1) at circular configuration.
6. the porous bone filler delivery pipe of band according to claim 5, it is characterised in that: multiple outer injection orifices
(10) circumferentially arranged in parallel at two circular configurations along the distal end of the outer tube (1).
7. the porous bone filler delivery pipe of band according to claim 1, it is characterised in that: stationary curved section (11)
Proximal end be fixedly connected with the distal end of the straight section (12).
8. the porous bone filler delivery pipe of band according to claim 1, it is characterised in that: the outer injection orifice (10) is
It is integrally cut by the outer tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128712.7U CN208355548U (en) | 2017-09-05 | 2017-09-05 | A kind of porous bone filler delivery pipe of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128712.7U CN208355548U (en) | 2017-09-05 | 2017-09-05 | A kind of porous bone filler delivery pipe of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208355548U true CN208355548U (en) | 2019-01-11 |
Family
ID=64913692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721128712.7U Active CN208355548U (en) | 2017-09-05 | 2017-09-05 | A kind of porous bone filler delivery pipe of band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208355548U (en) |
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2017
- 2017-09-05 CN CN201721128712.7U patent/CN208355548U/en active Active
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