CN202235622U - Sterile cannula device applied to orthopedic external fixing needle - Google Patents
Sterile cannula device applied to orthopedic external fixing needle Download PDFInfo
- Publication number
- CN202235622U CN202235622U CN2011203600926U CN201120360092U CN202235622U CN 202235622 U CN202235622 U CN 202235622U CN 2011203600926 U CN2011203600926 U CN 2011203600926U CN 201120360092 U CN201120360092 U CN 201120360092U CN 202235622 U CN202235622 U CN 202235622U
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- external fixation
- diameter
- fixation pin
- cannula
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a sterile cannula device applied to an orthopedic external fixing needle, which consists of a cannula and an external fixing needle. The cannula is a tubular structure and mainly consists of a head sponge, a cannula holding area, a cannula spring area, a positioning plate, a tail cap and a tail sponge. The cannula spring area can stretch and retract, the cannula holding area is arranged at one end of the cannula spring area, a head area of the cannula is closely adjacent to the cannula holding area, the diameter of the head area of the cannula is increased, and the head sponge is adhered in the head area of the cannula. The other end of the cannula spring area is connected with the tail cap in a threaded manner, and the positioning plate is sleeved on the external fixing needle. The tail sponge is adhered outside the tail cap. The sterile cannula device has the advantage that the external fixing needle can keep sterile when in an emergency field.
Description
Technical field
This utility model relates to medical instruments field, specifically is a kind of sterile sleeve pipe unit that is applied to orthopaedics external fixation pin.
Background technology
At present; External fixer has been brought into play more and more important effect in the orthopedic injury first aid; Simple in structure and not limited by classification of fracture and wound surface because of it; Simultaneously the fracture fixation effect obviously is superior to conventional fixtures such as clamping plate, Gypsum Fibrosum, so in the first aid of fracture of aseptic sursery, extensive natural disaster and severe traffic accidents, have outstanding advantage.The most crucial link of external fixer fixation is accurately to insert the external fixation pin; But because the first aid site environment is dirty and messy and the air cleaning degree is poor; The orthopaedics of also can't the sterilizing equipment of being correlated with is difficult to guarantee the aseptic condition of external fixation pin, so the patient is can only be by the mutually complete clean operating room of the equipment of delivering to after delaying the time; Just might carry out the external fixer fixation, greatly limit the line treatment efficient of external fixer first aid of fracture.
The utility model content
In order to solve the problem that above-mentioned prior art exists, this utility model provides a kind of sterile sleeve pipe unit that is applied to orthopaedics external fixation pin, makes the external fixation pin keep aseptic condition at the first aid scene.
The technical scheme of this utility model is: a kind of sterile sleeve pipe unit that is applied to orthopaedics external fixation pin, it is made up of sleeve pipe and external fixation pin.Said sleeve pipe is a tubular structure, mainly controls district, sleeve pipe spring region, spacer, tail medicated cap, afterbody sponge by head sponge, sleeve pipe and forms.Said sleeve pipe spring region can stretch, and its minimum diameter is slightly larger than external fixation pin internal diameter, and an end of sleeve pipe spring region is that sleeve pipe is controlled the district; Its internal diameter is slightly larger than the diameter of external fixation pin; Telescopic head zone and sleeve pipe are controlled the district next-door neighbour, its expanded in diameter, and internal bond has the head sponge.The other end of sleeve pipe spring region and tail medicated cap are through being threaded, and the tail medicated cap is that an end is uncovered, the cap-like structure of intermediate hollow, and the side wall inner surface of tail medicated cap has female thread; Its bottom center is porose, and the aperture is slightly larger than the diameter of external fixation pin, and there is spacer tail medicated cap inside; Spacer is resilient oblate cylinder, and its center is porose, its external diameter be slightly less than the tail medicated cap internal diameter but greater than the diameter of sleeve pipe spring region tail end; Its internal diameter is slightly less than the diameter of external fixation pin, and spacer is enclosed within on the external fixation pin.The outside of tail medicated cap is bonded with the afterbody sponge.Said external fixation pin is the elongate cylinder body structure of an end band tip.
Said head sponge and afterbody sponge inside will hold disinfectant.
Said sleeve pipe parcel external fixation pin is serial configured, and the external fixation needle point is positioned at sleeve pipe and controls the district, and is maintained at this position before use always.
The operation principle of this device is: during use from aseptic packaging whole sleeve pipe and the external fixation pin of taking out; Inject disinfectant in telescopic head sponge and afterbody sponge; The backshank of external fixation pin connects orthopaedics and bores, and the sleeve pipe head is compressed the skin entry point and starts the orthopaedics brill, and external fixation pin needle point bores and passes through the head sponge; Get into body and osseous tissue completion external fixation pin and insert, unclamp orthopaedics and bore.Inspection is extracted sleeve pipe after confirming that external fixation pin position is good backward, also can keep casing protection external fixation pin, and the nail WEILIAN connects external fixer.Under telescopic insulation blocking, the part that the external fixation pin gets into body is in aseptic condition all the time.External fixer and orthopaedics bore and is in external environment with relevant orthopaedic devices, and externally the aseptic condition of locking pin does not have influence, and is need not strict sterilization aseptic.
The advantage that this utility model has:
1, expands the environment for use of external fixation pin, more be adapted to first aid use under the non-sterile conditions environmentals such as emergency care of trauma scene, aseptic sursery, ward bedside, emergency department;
2, easy and simple to handle, simple in structure, sterile drape there is not strict demand, practiced thrift equipment time and cost, patient's in enormous quantities first aid of fracture is had outstanding advantage.
Description of drawings
Be illustrated as the structural representation of this utility model.
Among the figure, 1 is the head sponge, and 2 control the district for sleeve pipe, and 3 is the sleeve pipe spring region, and 4 is spacer, and 5 is the tail medicated cap, and 6 is the afterbody sponge, and 7 is the external fixation pin.
The specific embodiment
As shown in the figure, a kind of sterile sleeve pipe unit that is applied to orthopaedics external fixation pin, it is made up of sleeve pipe and external fixation pin 7.Said sleeve pipe is a tubular structure, mainly by head sponge 1, sleeve pipe control district 2, sleeve pipe spring region 3, spacer 4, tail medicated cap 5, afterbody sponge 6 are formed.Said sleeve pipe spring region 3 can stretch, and its minimum diameter is slightly larger than external fixation pin 7 internal diameters, and an end of sleeve pipe spring region 3 is that sleeve pipe is controlled district 2; Its internal diameter is slightly larger than the diameter of external fixation pin 7; Telescopic head zone and sleeve pipe are controlled district 2 next-door neighbours, its expanded in diameter, and internal bond has head sponge 1.The other end of sleeve pipe spring region 3 and tail medicated cap 5 are through being threaded, and tail medicated cap 5 is that an end is uncovered, the cap-like structure of intermediate hollow, and the side wall inner surface of tail medicated cap 5 has female thread; Its bottom center is porose, and the aperture is slightly larger than the diameter of external fixation pin 7, and there is spacer 4 tail medicated cap 5 inside; Spacer 4 is resilient oblate cylinders, and its center is porose, its external diameter be slightly less than tail medicated cap 5 internal diameter but greater than the diameter of sleeve pipe spring region 3 tail ends; Its internal diameter is slightly less than the diameter of external fixation pin 7, and spacer 4 is enclosed within on the external fixation pin 7.The outside of tail medicated cap 5 is bonded with afterbody sponge 6.
Shell material is a medical plastic, and main body is for being fit to the spring design of external fixation pin 7 depth of needle, and the sleeve pipe spring region 3 of retractility adapts to the variation of outer body length when piercing external fixation pin 7.
The sleeve pipe head has sleeve pipe to control district 2, makes things convenient for the clinician to operate, and is beneficial to control external fixation pin 7 axis.
The sleeve pipe afterbody has spacer 4, and spacer 4 is the rubber material, and frictionally is fastened on external fixation pin 7 rear portions, has both kept the relative position of sleeve pipe and external fixation pin 7, can let sleeve pipe relatively rotate again and reduces torsional deflection.
Sleeve pipe head sponge 1 can be held disinfectant, can sterilize when being adjacent to skin skin and external fixation pin 7, the aseptic interface of sterilization at the no dead angle of formation; Afterbody sponge 6 is also held disinfectant, improves the sealed, sterile ability of sleeve pipe tail end; With aseptic sleeve pipe parcel external fixation pin 7, make the working region of external fixation pin 7 keep aseptic condition, casing inner diameter and respective needle directly adapt to.
Claims (1)
1. sterile sleeve pipe unit that is applied to orthopaedics external fixation pin, it is characterized in that: it is made up of sleeve pipe and external fixation pin (7); Said sleeve pipe is a tubular structure, mainly controls district (2), sleeve pipe spring region (3), spacer (4), tail medicated cap (5), afterbody sponge (6) by head sponge (1), sleeve pipe and forms; Said sleeve pipe spring region (3) can stretch; Its minimum diameter is slightly larger than external fixation pin (7) internal diameter; One end of sleeve pipe spring region (3) is that sleeve pipe is controlled district (2), and its internal diameter is slightly larger than the diameter of external fixation pin (7), and telescopic head zone and sleeve pipe are controlled district (2) next-door neighbour; Its expanded in diameter, internal bond have head sponge (1); The other end of sleeve pipe spring region (3) and tail medicated cap (5) are through being threaded, and tail medicated cap (5) is that an end is uncovered, the cap-like structure of intermediate hollow, and the side wall inner surface of tail medicated cap (5) has female thread; Its bottom center is porose; The aperture is slightly larger than the diameter of external fixation pin (7), and there is spacer (4) tail medicated cap (5) inside, and spacer (4) is resilient oblate cylinder; Its center is porose; Its external diameter is slightly less than the internal diameter of tail medicated cap (5) but greater than the diameter of sleeve pipe spring region (3) tail end, its internal diameter is slightly less than the diameter of external fixation pin (7), and spacer (4) is enclosed within on the external fixation pin (7); The outside of tail medicated cap (5) is bonded with afterbody sponge (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203600926U CN202235622U (en) | 2011-09-23 | 2011-09-23 | Sterile cannula device applied to orthopedic external fixing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203600926U CN202235622U (en) | 2011-09-23 | 2011-09-23 | Sterile cannula device applied to orthopedic external fixing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202235622U true CN202235622U (en) | 2012-05-30 |
Family
ID=46096938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203600926U Expired - Lifetime CN202235622U (en) | 2011-09-23 | 2011-09-23 | Sterile cannula device applied to orthopedic external fixing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202235622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102370516A (en) * | 2011-09-23 | 2012-03-14 | 吕昌伟 | Sterile sleeve device applied to orthopedic external fixation needle |
-
2011
- 2011-09-23 CN CN2011203600926U patent/CN202235622U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102370516A (en) * | 2011-09-23 | 2012-03-14 | 吕昌伟 | Sterile sleeve device applied to orthopedic external fixation needle |
| CN102370516B (en) * | 2011-09-23 | 2015-03-25 | 吕昌伟 | Sterile sleeve device applied to orthopedic external fixation needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20150325 |
|
| RGAV | Abandon patent right to avoid regrant |