CN210228404U - Disposable bone graft - Google Patents
Disposable bone graft Download PDFInfo
- Publication number
- CN210228404U CN210228404U CN201920274627.4U CN201920274627U CN210228404U CN 210228404 U CN210228404 U CN 210228404U CN 201920274627 U CN201920274627 U CN 201920274627U CN 210228404 U CN210228404 U CN 210228404U
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- Prior art keywords
- funnel
- bone grafting
- outer sleeve
- push rod
- disposable
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Abstract
The utility model discloses a disposable bone grafting device is by funnel type outer sleeve, is located inside the funnel type outer sleeve and rather than mutually support gliding push rod from top to bottom and form, the funnel type outer sleeve by funnel portion, with the barrel integrated into one piece that funnel portion connects forms, the barrel bottom is equipped with barrel front end sealing portion, the push rod is connected with the core bar by the push rod hand portion at top and is constituteed, disposable bone grafting device is made by the polypropylene material, the length of core bar is greater than the length of barrel. The disposable bone grafting device provided by the utility model overcomes the defect that the bone fragments of the existing metal bone grafting device are not easy to slip off, the bone grafting fragments are easy to put in and not easy to leak, the operation is greatly convenient, and the bone grafting speed is high; the funnel-shaped outer sleeve is aligned to the bone grafting part through the range scale on the funnel-shaped outer sleeve, the push rod is controlled, the positioning and quantitative bone grafting can be realized, and the accuracy of the operation is improved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically speaking relates to a disposable bone grafting device.
Background
Bone grafting is one of the most commonly used techniques in orthopedic procedures. In the bone grafting process of the orthopedic surgery, an operator holds prepared bone grains and bone strips and places the bone grains and the bone strips at a bone grafting position, the process is generally operated by bare hands, and the bone holding and bone grafting processes are repeated repeatedly until the complete bone grains and bone strips are planted, so that the following defects exist: complicated operation, long operation process and poor safety and accuracy. The existing bone grafting device is inconvenient to pour the bone grafting block, the pressure is large when the push rod is pushed, the bone grafting is difficult and the bone grafting block is damaged, and some bone grafting devices do not comprise the push rod.
In view of the above, there is a need for a bone grafting instrument which is low in cost, convenient for bone grafting and convenient for operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a disposable bone grafting device.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model discloses a first aspect provides a disposable bone grafting device, be by the funnel type outer sleeve, be located inside the funnel type outer sleeve and rather than mutually support gliding push rod from top to bottom and form, the funnel type outer sleeve by funnel portion, with the barrel integrated into one piece that funnel portion connects forms, the barrel bottom is equipped with barrel front end sealing, the push rod is connected with the core bar by the push rod portion at top and is constituteed, disposable bone grafting device is made by the polypropylene material, the length of core bar is greater than the length of barrel.
The depth of the funnel part is 1-2 cm, the maximum diameter of the funnel part is 3cm, the minimum diameter of the funnel part is 1cm, and the wall thickness of the funnel part is 1 mm.
The barrel is a hollow cylinder, the wall thickness is 1mm, the height is 7-8 cm, and the diameter of the cross section is 1-1.5 cm.
The sealing part at the front end of the cylinder body is made of a polypropylene film.
The thickness of the polypropylene film is 0.3 mm.
The outer part of the funnel-shaped outer sleeve is provided with scales adjacent to the sealing part at the front end of the cylinder body.
The cross section area of the push rod hand-holding part is larger than that of the core rod, and the shape of the push rod hand-holding part is square, circular, oval or rectangular.
The core bar is a cylinder, is matched with the cylinder body, is a solid cylinder or a hollow cylinder, and has a length of 8-9 cm.
The bottom of the core rod is provided with a piston.
The piston may be a rubber article.
Due to the adoption of the technical scheme, the utility model has the advantages of it is following and beneficial effect:
the disposable bone grafting device provided by the utility model overcomes the defect that the bone fragments of the existing metal bone grafting device are not easy to slip off, the bone grafting fragments are easy to put in and not easy to leak, the operation is greatly convenient, and the bone grafting speed is high; the funnel-shaped outer sleeve is aligned to the bone grafting part through the range scale on the funnel-shaped outer sleeve, the push rod is controlled, the positioning and quantitative bone grafting can be realized, and the accuracy of the operation is improved; the disposable medical material has low production cost, safety and convenient popularization. The utility model is provided with the cylinder body for storing bone grafting particles and penetrating into the deep part of the tissue to be bone-grafted part, the sealing part at the front end of the cylinder body is made of polypropylene film, the bone grafting particles can not fall off during moving, and the operation is convenient; the funnel part is convenient to pour the bone grafting particles into the barrel, and the push rod is convenient to push the bone grafting particles into the bone part to be grafted.
Drawings
Fig. 1 is a schematic view of the overall structure of the disposable bone grafting instrument of the present invention.
Fig. 2 is a schematic structural view of a funnel-shaped outer sleeve in the disposable bone grafting instrument shown in fig. 1.
Fig. 3 is a schematic structural view of a push rod in the disposable bone grafting instrument shown in fig. 1.
Fig. 4 is a schematic view of the disposable bone graft shown in fig. 1 after bone graft fragments are placed therein.
Fig. 5 is a schematic diagram of a top view of the overall structure of the disposable bone graft of fig. 1.
Fig. 6 is another schematic diagram of a top view of the overall structure of the disposable bone graft of fig. 1.
FIG. 7 is a schematic view of the structure of the core rod with a piston at the bottom.
Wherein: a funnel-shaped outer sleeve 1, a funnel part 11, a cylinder 12, a front end sealing part 13, a push rod 2, a push rod holding part 21, a core rod 22 and a piston 23.
Detailed Description
In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
Example 1
The first aspect of the present invention provides a disposable bone grafting device, as shown in fig. 1, fig. 1 is a schematic view of the overall structure of the disposable bone grafting device of the present invention, which is composed of a funnel-shaped outer sleeve 1 (as shown in fig. 2, fig. 2 is a schematic view of the structure of the funnel-shaped outer sleeve in the disposable bone grafting device shown in fig. 1), and a push rod 2 (as shown in fig. 3, fig. 3 is a schematic view of the structure of the push rod in the disposable bone grafting device shown in fig. 1) located inside the funnel-shaped outer sleeve 1 and cooperating with the funnel-shaped outer sleeve to slide up and down, the funnel-shaped outer sleeve 1 is formed by integrally molding a funnel part 11 and a cylinder body 12 connected with the funnel part 11, a cylinder body front end sealing part 13 is arranged at the bottom of the cylinder body 12, the push rod 2 is formed by connecting a push rod holding part 21 at the top with a core rod 22, the disposable bone grafting device is made of polypropylene material, the length of the stem 22 is greater than the length of the barrel 12.
The depth of the funnel part 11 is 1-2 cm, and can be 1cm, 2cm and 1.5cm, the maximum diameter of the funnel part 11 is 3cm, the minimum diameter is 1cm, and the wall thickness is 1 mm.
The cylinder body 12 is a hollow cylinder, the wall thickness is 1mm, the height is 7-8 cm, and the diameter of the cross section is 1-1.5 cm.
The sealing part 13 at the front end of the cylinder body is made of a polypropylene film, and the thickness of the polypropylene film is 0.3 mm.
The outer part of the funnel-shaped outer sleeve 1, which is adjacent to the sealing part 13 at the front end of the barrel body, is provided with scales for estimating the bone grafting amount.
Fig. 5 is a schematic view showing a top view of the overall structure of the disposable bone graft shown in fig. 1, and fig. 6 is another schematic view showing a top view of the overall structure of the disposable bone graft shown in fig. 1. In FIGS. 5 and 6, the cylinder 12 is a cylinder having a cross-sectional diameter of 1.5cm and 1cm, a wall thickness of 1mm, and a height of 7.5cm and 7cm, respectively.
The cross section area of the push rod handle part 21 is larger than that of the core rod 22, and the shape of the push rod handle part is square, circular, oval, rectangular and the like.
The core rod 22 is a cylinder, is matched with the cylinder 12, and can be a solid cylinder or a hollow cylinder, and the length of the core rod is 8-9 cm. The core rod 22 is tightly fitted with the cylinder 12 without a gap.
The bottom of the core rod 22 is further provided with a piston 23 (as shown in fig. 7, fig. 7 is a schematic structural view of the bottom of the core rod provided with a piston), which may be made of rubber, so as to be tightly fitted with the cylinder 12.
The utility model discloses a cost of disposable bone grafting ware is 1 yuan, and the cost that original stainless steel was made is 25 yuan, from this to see, the utility model discloses a disposable bone grafting ware is with low costs.
The utility model discloses a disposable bone grafting device's application method as follows:
in the bone surgery, broken bone blocks are sometimes required to be implanted into the gaps for fusing bones at two ends or filling defects, and if the bone grafting position is deep and muscles are shielded, and an operation channel is small, the operation of placing bone grafting particles is troublesome. When the disposable bone grafting instrument of the utility model is used, as shown in fig. 4, fig. 4 is a schematic view of the disposable bone grafting instrument shown in fig. 1 after bone grafting fragments are placed. Firstly, the push rod 2 is taken down, the broken bone blocks are placed in the funnel-shaped outer sleeve 1, then the push rod 2 is placed, the funnel-shaped outer sleeve 1 is held by a hand during operation, the push rod holding part 21 is held by the other hand to push the push rod 2, and the broken bone blocks break the front end sealing part 13 of the cylinder body and enter the part to be implanted with the bone. The disposable bone grafting device of the utility model is used for placing bone grafting particles in orthopedic surgery, adopts a form similar to an injector, and is convenient for deep bone grafting operation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Disposable bone grafting device, its characterized in that: the disposable bone grafting device is characterized by comprising a funnel-shaped outer sleeve and a push rod which is located inside the funnel-shaped outer sleeve, is matched with the funnel-shaped outer sleeve and can slide up and down, wherein the funnel-shaped outer sleeve is formed by integrally forming a funnel part and a barrel body connected with the funnel part, a sealing part at the front end of the barrel body is arranged at the bottom of the barrel body, the push rod is formed by connecting a push rod holding part at the top with a core rod, the disposable bone grafting device is made of polypropylene materials, and the length of the core rod is greater than that of the barrel body.
2. The disposable bone graft of claim 1, wherein: the depth of the funnel part is 1-2 cm, the maximum diameter of the funnel part is 3cm, the minimum diameter of the funnel part is 1cm, and the wall thickness of the funnel part is 1 mm.
3. The disposable bone graft of claim 1, wherein: the barrel is a hollow cylinder, the wall thickness is 1mm, the height is 7-8 cm, and the diameter of the cross section is 1-1.5 cm.
4. The disposable bone graft of claim 1, wherein: the sealing part at the front end of the cylinder body is made of a polypropylene film.
5. The disposable bone graft of claim 4, wherein: the thickness of the polypropylene film is 0.3 mm.
6. The disposable bone graft of claim 1, wherein: the outer part of the funnel-shaped outer sleeve is provided with scales adjacent to the sealing part at the front end of the cylinder body.
7. The disposable bone graft of claim 1, wherein: the cross section area of the push rod hand-holding part is larger than that of the core rod, and the shape of the push rod hand-holding part is square, circular, oval or rectangular.
8. The disposable bone graft of claim 1, wherein: the core bar is a cylinder, is matched with the cylinder body, is a solid cylinder or a hollow cylinder, and has a length of 8-9 cm.
9. The disposable bone graft of any one of claims 1 to 8, wherein: the bottom of the core rod is provided with a piston.
10. The disposable bone graft of claim 9, wherein: the piston is a rubber article.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920274627.4U CN210228404U (en) | 2019-03-05 | 2019-03-05 | Disposable bone graft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920274627.4U CN210228404U (en) | 2019-03-05 | 2019-03-05 | Disposable bone graft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210228404U true CN210228404U (en) | 2020-04-03 |
Family
ID=69961732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920274627.4U Expired - Fee Related CN210228404U (en) | 2019-03-05 | 2019-03-05 | Disposable bone graft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210228404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449810A (en) * | 2020-04-30 | 2020-07-28 | 四川大学华西医院 | An intelligent orthopaedic implant for reconstruction after vertebral body resection |
-
2019
- 2019-03-05 CN CN201920274627.4U patent/CN210228404U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449810A (en) * | 2020-04-30 | 2020-07-28 | 四川大学华西医院 | An intelligent orthopaedic implant for reconstruction after vertebral body resection |
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Legal Events
| 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: 20200403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |