CN219921289U - In-vivo bone grafting device - Google Patents
In-vivo bone grafting device Download PDFInfo
- Publication number
- CN219921289U CN219921289U CN202320792062.5U CN202320792062U CN219921289U CN 219921289 U CN219921289 U CN 219921289U CN 202320792062 U CN202320792062 U CN 202320792062U CN 219921289 U CN219921289 U CN 219921289U
- Authority
- CN
- China
- Prior art keywords
- section
- leakage neck
- neck
- hose
- leakage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 89
- 238000001727 in vivo Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 230000007704 transition Effects 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 6
- 230000004927 fusion Effects 0.000 abstract description 6
- 238000002513 implantation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Abstract
The utility model discloses an in-vivo bone grafting device, which comprises a shapable hose, a funnel and an elastically deformable steel wire; the funnel comprises a wide-mouth bucket, a first section of leakage neck, a second section of leakage neck and a third section of leakage neck which are sequentially communicated, the inner diameter of the first section of leakage neck, the inner diameter of the second section of leakage neck and the inner diameter of the third section of leakage neck are sequentially reduced, and the lower end of the third section of leakage neck is provided with a detachable connecting pipe; the upper end of the settable hose is communicated with the connecting pipe, and the inner diameter of the third section of leakage neck, the inner diameter of the connecting pipe and the inner diameter of the settable hose are equal; the outer diameter of the steel wire is not larger than the inner diameter of the shapable hose. The utility model increases the implantation quantity of bone grafting particles and the effective bone grafting area, and improves the bone fusion effect.
Description
Technical Field
The utility model relates to the field of orthopaedics, in particular to an in-vivo bone grafting device.
Background
Bone grafting is often needed to be performed on a lesion part in a human skeleton operation, specifically, bone grafting grains are led into a cut skeleton, and the more the bone grafting grains are led, the larger the bone grafting area is, which is one factor for improving the bone fusion effect.
Because of the narrow bone grafting channel leading to the bone grafting site, the surgeon cannot directly place bone grafting particles into the bone grafting site by hands, forceps and the like. The existing method adopts a bone grafting funnel, a leakage neck of the bone grafting funnel penetrates through a bone grafting channel, the lower end of the leakage neck is sent to a bone grafting position, an arc-shaped guide section is fixedly arranged at the lower end of the funnel in order to increase the implantation amount of bone grafting particles, and the bone grafting particles slide down to a greater distance along the guide section, so that the bone grafting area is increased. However, in clinical operation, the bone grafting channel is not necessarily in a conventional shape such as a linear shape, an arc shape, etc., and the leakage neck of the existing bone grafting funnel is in a linear shape or an arc shape, so that the bone grafting funnel cannot be suitable for a plurality of curved bone grafting channels. In addition, the guide section of the bone grafting funnel is limited in length, bone grafting particles slide down the guide section to be closer, the enlarged bone grafting area is not large, and the bone fusion effect is not particularly ideal.
Disclosure of Invention
Aiming at the defects in the prior art, the method increases the implantation quantity of bone grafting particles and improves the bone fusion effect. The utility model provides an in-vivo bone grafting device, which comprises a shapable hose, a funnel and an elastically deformable steel wire; the funnel comprises a wide-mouth bucket, a first section of leakage neck, a second section of leakage neck and a third section of leakage neck which are sequentially communicated, the inner diameter of the first section of leakage neck, the inner diameter of the second section of leakage neck and the inner diameter of the third section of leakage neck are sequentially reduced, and the lower end of the third section of leakage neck is provided with a detachable connecting pipe; the upper end of the settable hose is communicated with the connecting pipe, and the inner diameter of the third section of leakage neck, the inner diameter of the connecting pipe and the inner diameter of the settable hose are equal; the outer diameter of the steel wire is not larger than the inner diameter of the shapable hose.
The utility model has the beneficial effects that:
firstly, bone grafting particles with the diameter smaller than the inner diameter of the shapable hose are prepared, then a bone grafting channel is formed in a patient, finally, the lower end of the shapable hose is inserted into the bone grafting channel, and when the bone grafting channel cannot be inserted again after the bone grafting channel is inserted into a certain length, the shapable hose is extracted, and the shapable hose is manually bent, so that the lower end of the shapable hose can be continuously inserted. After being drawn in and out for a plurality of times, the shapable hose after one or more times of bending has the shape which is approximately the same as that of the bone grafting channel, and the shapable hose can keep the shape after bending. The bent shapable hose can directly pass through the bone grafting channel until the lower end of the shapable hose reaches the bone grafting area. Pouring a certain amount of bone grafting particles into the wide-mouth hopper, sliding the bone grafting particles downwards along the funnel and the shaping hose, and finally inserting the bone grafting particles into the bone grafting region from the wide-mouth hopper by using a steel wire, so that all the bone grafting particles are extruded. In order to enable the bone grafting particles to be fully distributed in the bone grafting region as much as possible, the insertion depth is adjusted by adjusting the shape of the settable hose, and the lower end of the settable hose can reach any region of the bone grafting region after multiple adjustments, so that the whole bone grafting region is fully distributed with the bone grafting particles, and the effective bone grafting area and the bone fusion effect are improved.
Preferably, transition pipes are arranged between the wide-mouth bucket and the first section of leakage neck, between the first section of leakage neck and the second section of leakage neck and between the second section of leakage neck and the third section of leakage neck; the upper end opening of the transition pipe is large, the lower end opening is small, and the axial section is arc-shaped. The side wall of the transition pipe is arc-shaped, the inner wall is smooth, bone grafting particles are prevented from being blocked in the transition pipe, the bone grafting particles are put in the transition pipe without obstruction, and the sliding down is smooth.
Preferably, the connecting pipe and the third section of the leakage neck are detachably connected through threads.
Preferably, the lower end of the connecting pipe is provided with an annular step surface, and the upper end of the shapable hose is sleeved outside the annular step surface. The connecting pipe and the third section of the leakage neck form detachable connection, the connecting pipe and the shapable hose are disposable medical supplies, and the disposable medical supplies are discarded after the use, and the sterile connecting pipe and the shapable hose are easier to replace in the next use due to the detachable structure, so that cross infection is effectively avoided.
Preferably, a handle is sleeved outside the second section of the leakage neck. The anti-skid sleeve is sleeved outside the third section of the leakage neck, and is close to the lower end of the third section of the leakage neck. The wide-mouth hopper, the first section of the leakage neck, the second section of the leakage neck and the third section of the leakage neck are made of medical stainless steel. The funnel is wholly made of medical stainless steel, the handle and the anti-slip sleeve are used for being held tightly, the whole shapable hose and the funnel are fixed, shaking is reduced as much as possible in the process of pouring bone grafting particles, and dislocation of the lower end of the shapable hose is avoided.
Preferably, the upper end of the steel wire is provided with a handle, and the lower end of the steel wire is shaped as a pointed cone. The handle is held, the pointed cone is inserted from the upper end of the loophole, and the pointed cone has small resistance to the penetration of the bent shapable hose, so that the hose is easier to use.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic view of a funnel in the present embodiment;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic view of the structure of the steel wire in this embodiment.
In the drawing, a hose 1, a steel wire 2, a handle 3, a pointed cone 4, a wide-mouth bucket 5, a first section of leakage neck 6, a second section of leakage neck 7, a third section of leakage neck 8, a transition pipe 9, a connecting pipe 10, an annular step surface 11, a handle 12 and an anti-slip sleeve 13 can be shaped.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
As shown in fig. 1 and 3, the present embodiment provides an in-vivo bone grafting device comprising a settable hose 1, a funnel and an elastically deformable steel wire 2. Wherein the upper end of the steel wire 2 is provided with a handle 3, and the lower end of the steel wire 2 is shaped as a pointed cone 4. The handle 3 is held, the pointed cone 4 is inserted from the upper end of the loophole, and the pointed cone 4 has small resistance to the penetration of the bent settable hose 1, so that the hose is easier to use.
The funnel is including wide-mouth bucket 5, first section of hourglass neck 6, second section of hourglass neck 7 and the third section of hourglass neck 8 that communicate in proper order, the internal diameter of first section of hourglass neck 6, the internal diameter of second section of hourglass neck 7 and the internal diameter of third section of hourglass neck 8 reduce in proper order. Specifically, transition pipes 9 are arranged between the wide-mouth bucket 5 and the first section of the leakage neck 6, between the first section of the leakage neck 6 and the second section of the leakage neck 7 and between the second section of the leakage neck 7 and the third section of the leakage neck 8; the upper end opening of the transition pipe 9 is large, the lower end opening is small, and the axial section is arc-shaped. The side wall of the transition pipe 9 is arc-shaped, the inner wall is smooth, bone grafting particles are prevented from being blocked in the transition pipe 9, the bone grafting particles are put in the transition pipe without obstruction, and the sliding down is smooth.
As shown in fig. 1 and 2, a detachable connecting pipe 10 is arranged at the lower end of the third section of the leakage neck 8, and specifically, the connecting pipe 10 is detachably connected with the third section of the leakage neck 8 through threads. The upper end of the settable hose 1 is communicated with the connecting pipe 10, the lower end of the connecting pipe 10 is provided with an annular step surface 11, and the upper end of the settable hose 1 is sleeved outside the annular step surface 11. The connecting pipe 10 and the third section of the leakage neck 8 form detachable connection, the connecting pipe 10 and the settable hose 1 are disposable medical supplies, and are discarded after use, and the sterile connecting pipe 10 and the settable hose 1 are easier to replace in next use due to the detachable structure, so that cross infection is effectively avoided.
In this embodiment, the inner diameter of the third section of the leakage neck 8, the inner diameter of the connecting pipe 10 and the inner diameter of the settable hose 1 are equal, and the outer diameter of the steel wire 2 is not greater than the inner diameter of the settable hose 1. The specific surgical procedure is as follows:
s1: bone grafting particles with the diameter smaller than the inner diameter of the settable hose 1 are prepared.
S2: the patient is provided with a bone grafting channel.
S3: when the lower end of the settable hose 1 is inserted into the bone grafting channel and cannot be inserted again after a certain length is inserted, the settable hose 1 is pulled out, and the settable hose 1 is manually bent, so that the lower end of the settable hose can be inserted continuously.
S4: after repeated extension and extraction for a plurality of times, the shapable hose 1 after one or more bends has a shape which is substantially the same as that of the bone grafting channel, and the shapable hose 1 can maintain the bent shape. The flexible tube 1 after bending can directly pass through the bone grafting channel until the lower end of the flexible tube 1 reaches the bone grafting area.
S5: pouring a certain amount of bone grafting particles into the wide-mouth hopper 5, sliding the bone grafting particles downwards along the hopper and the shaping hose, and finally inserting the bone grafting particles into the bone grafting region from the wide-mouth hopper 5 by using the steel wire 2, so as to extrude all the bone grafting particles. The shaping hose is kept from shaking as much as possible in the process of pouring bone grafting particles, so that the dislocation of the lower end of the shaping hose is avoided. Thus, the handle 12 is sleeved outside the second section of the leakage neck 7. An anti-skid sleeve 13 is sleeved outside the third section of the leakage neck 8, and the anti-skid sleeve 13 is close to the lower end of the third section of the leakage neck 8. The wide-mouth bucket 5, the first section of the leakage neck 6, the second section of the leakage neck 7 and the third section of the leakage neck 8 are made of medical stainless steel, and the medical stainless steel is easy to slip when being directly held. The funnel is wholly made of medical stainless steel, the handle 12 and the anti-slip sleeve 13 are used for being held tightly, the whole shapable hose 1 and the funnel are fixed, shaking is reduced as much as possible in the process of pouring bone grafting particles, and dislocation of the lower end of the shapable hose 1 is avoided.
In addition, in order to enable the bone grafting particles to be fully distributed in the bone grafting region as much as possible, the insertion depth is adjusted by adjusting the shape of the settable hose 1, and the lower end of the settable hose 1 can reach any region of the bone grafting region after multiple adjustments, so that the whole bone grafting region is fully distributed with the bone grafting particles, and the bone fusion effect is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. An in vivo bone grafting device, characterized in that: comprises a shapable hose, a funnel and an elastically deformable steel wire; the funnel comprises a wide-mouth bucket, a first section of leakage neck, a second section of leakage neck and a third section of leakage neck which are sequentially communicated, the inner diameter of the first section of leakage neck, the inner diameter of the second section of leakage neck and the inner diameter of the third section of leakage neck are sequentially reduced, and the lower end of the third section of leakage neck is provided with a detachable connecting pipe; the upper end of the settable hose is communicated with the connecting pipe, and the inner diameter of the third section of leakage neck, the inner diameter of the connecting pipe and the inner diameter of the settable hose are equal; the outer diameter of the steel wire is not larger than the inner diameter of the shapable hose.
2. An in vivo bone graft according to claim 1, wherein: transition pipes are arranged between the wide-mouth bucket and the first section of leakage neck, between the first section of leakage neck and the second section of leakage neck and between the second section of leakage neck and the third section of leakage neck; the upper end opening of the transition pipe is large, the lower end opening is small, and the axial section is arc-shaped.
3. An in vivo bone graft according to claim 1, wherein: the connecting pipe is detachably connected with the third section of leakage neck through threads.
4. An in vivo bone graft according to claim 1, wherein: the lower end of the connecting pipe is provided with an annular step surface, and the upper end of the settable hose is sleeved outside the annular step surface.
5. An in vivo bone graft according to claim 1, wherein: and a handle is sleeved outside the second section of the leakage neck.
6. An in vivo bone graft according to claim 1, wherein: and an anti-skid sleeve is sleeved outside the third section of the leakage neck.
7. An in vivo bone graft according to claim 6, wherein: the anti-slip sleeve is close to the lower end of the third section of leakage neck.
8. An in vivo bone graft according to claim 1, wherein: the upper end of the steel wire is provided with a handle.
9. An in vivo bone graft according to claim 1, wherein: the shape of the lower end of the steel wire is a pointed cone.
10. An in vivo bone graft according to claim 1, wherein: the wide-mouth bucket, the first section of the leakage neck, the second section of the leakage neck and the third section of the leakage neck are made of medical stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320792062.5U CN219921289U (en) | 2023-04-11 | 2023-04-11 | In-vivo bone grafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320792062.5U CN219921289U (en) | 2023-04-11 | 2023-04-11 | In-vivo bone grafting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219921289U true CN219921289U (en) | 2023-10-31 |
Family
ID=88500202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320792062.5U Active CN219921289U (en) | 2023-04-11 | 2023-04-11 | In-vivo bone grafting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219921289U (en) |
-
2023
- 2023-04-11 CN CN202320792062.5U patent/CN219921289U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103143104B (en) | Bone filler conveying cannula with adjustable bending angle | |
| CN104095665B (en) | Membrane type ureteral calculus stops taking-up device | |
| CN104768483A (en) | General uterine manipulator and system | |
| JP5623895B2 (en) | Egg collection and embryo transfer equipment | |
| CA2523580A1 (en) | Systems and methods for sling delivery and placement | |
| EP0995459A3 (en) | Embryo-implanting catheter assembly and method for making the same | |
| CN102596111A (en) | Implantation device with handle and method of use thereof | |
| CZ303676B6 (en) | Prostatic implant assembly | |
| US11305049B2 (en) | Suction instrument with varying inner diameter | |
| US10792051B2 (en) | Debris removing drilling system with irrigation | |
| CN107007922A (en) | A kind of nasal sinus balloon expandable and therapeutic system | |
| CN219921289U (en) | In-vivo bone grafting device | |
| JP2000152985A (en) | Manipulator for endoscope | |
| CN209004164U (en) | A kind of more position microtraumatic bone-grafting devices | |
| CN109620313A (en) | The pipeline instrument and method for implantation being implanted into for per anum colon under scope to small intestine | |
| CN209713006U (en) | The pipeline instrument being implanted into for per anum colon under scope to small intestine | |
| CN210933334U (en) | Anti-blocking suction tube | |
| US20100185137A1 (en) | Device for treatment of watering of the eye | |
| CN208582840U (en) | A kind of curved position leading type male urethra conduit | |
| CN219355044U (en) | Conveying device and conveying system for ear, nose and throat | |
| CN111714190A (en) | Puncture sheath | |
| CN211273032U (en) | Drainage catheter assembly | |
| CN212346834U (en) | Ureteral stent pulling-out structure | |
| CN206239498U (en) | A kind of deep percutaneous cervical arc root bone grafting instrument of assembly type limit | |
| CN218391221U (en) | Disposable sterile drainage catheter set for percutaneous puncture under CT guidance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |