CN207384317U - A kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole - Google Patents
A kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole Download PDFInfo
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- CN207384317U CN207384317U CN201720210513.4U CN201720210513U CN207384317U CN 207384317 U CN207384317 U CN 207384317U CN 201720210513 U CN201720210513 U CN 201720210513U CN 207384317 U CN207384317 U CN 207384317U
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- intramedullary
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- intramedullary needle
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Abstract
The utility model is related to medical instruments fields, and in particular to a kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole.The system includes：Intramedullary needle, intramedullary needle handle, puncture needle and puncture needle handle；Intramedullary needle includes intramedullary needle needle body, and intramedullary needle needle body both ends are respectively the first tip and first end, and first end is inserted in intramedullary needle handle, and the first tip has angle with intramedullary needle needle body, and the first tip and first end are bluff body；Puncture needle includes puncture needle needle body, and puncture needle needle body both ends are respectively the second tip and second end, and second end is inserted in puncture needle handle, second tip is equipped with cutting, first tip is arranged in cutting, and card slot is equipped in puncture needle handle, and intramedullary needle handle is detachably arranged in card slot.The utility model disposably completes inserting for intramedullary needle, simplifies operating process, convenient for completing the reduction of the fracture in operation, reduces postoperative complications, has great application and popularization value in medical instruments field.
Description
Technical field
The utility model is related to medical instruments fields, and in particular to a kind of box-like brothers' intramedullary needle embedded with minimal invasion of disposable whole
System.
Background technology
Phalangeal fracture, fracture of metacarpal bone are the common fracture of hand, account for the 75% and 20% of Treat Hand Fracture；Fracture of metatarsus is
The common fracture of foot, accounts for the 35% of foot fractures.For the fracture at most above-mentioned positions, open reduction steel plate may be employed
Fixed therapeutic scheme is treated in fixed or closed reduction intramedullary needle in screw.In open reduction steel plate screw fix due to
Big, neural blood vessel damage and postoperative adhesion of tendon incidence height are removed to soft tissue, and second operation is needed to take out steel plate screw,
Recover to bring difficulty to patient.And traditional Kirschner wire fixation is inserted using driving in the wrong direction, backshank is placed in below poor skin, often band
Carry out patient's discomfort.And during intramedullary needle is inserted in direct motion, expand the step of marrow pointed cone is changed to intramedullary needle, due to its opening very
It is small, it often results in and finds, increase operating time or even needs increase perspective number difficult into nail point.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides that a kind of box-like brothers' intramedullary needle of disposable whole is minimally invasive to be put
Enter system, including：Intramedullary needle, the intramedullary needle handle being connected with the intramedullary needle and are connected puncture needle with the puncture needle
Puncture needle handle；The intramedullary needle includes intramedullary needle needle body, and the intramedullary needle needle body both ends are respectively the first tip and first
End, the first end are inserted in the intramedullary needle handle, first tip and the intramedullary needle needle body into 165 °~
175 ° of angles, first tip and first end are bluff body, and the two is in same plane；The puncture needle includes
Puncture needle needle body, the puncture needle needle body both ends are respectively the second tip and second end, and the second end is inserted in described
In puncture needle handle, second tip is cone, and equipped with cutting, the cutting is in the center of the puncture needle handle
In plane where sagittal plane, and match with first tip so that the first tip is arranged in the cutting, it is described to wear
Card slot is equipped in pricker handle, the card slot is located in the median sagittal plane of puncture needle handle, the card slot and the intramedullary needle
Handle matches so that intramedullary needle handle is detachably arranged in the card slot, and can be slided in the card slot.
The box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole of the utility model, the cutting of puncture needle and intramedullary needle
First tip matches (i.e. the first tip is also in the plane where the median sagittal plane of puncture needle handle) so that the first point
End is arranged in the cutting, inserts intramedullary needle in pulp cavity while carrying out expansion marrow using puncture needle, will be expanded marrow and is inserted
Intramedullary needle blends, and disposably solves the problems, such as inserting for intramedullary needle, simplifies operating process, while improves in the prior art
Secondary the step of finding into nail point during direct motion intramedullary needle is inserted.First tip of the utility model intramedullary needle and intramedullary needle pin
Body forms an angle, and is in first end in same plane, in operation in addition to manipulative reduction, rotatable intramedullary needle handle
The reduction of the fracture convenient for correcting the displacement of fracture distal end and angulation deformity, and then is completed in the first tip of remote control.And this practicality
First tip of new intramedullary needle is the bluff body of passivity, avoids the articular surface for piercing through distal end, reduces postoperative complications
Occur.
Preferably, the puncture needle handle includes handle main body and assist handle, and the handle main body is cylindrical, described
Assist handle is axially arranged in the side wall of the handle main body, and the second end is inserted in the handle main body, the card
Slot is arranged in the assist handle.
Preferably, the bottom surface of the card slot and side are mutually perpendicular to, and are plane, plane where the bottom surface of the card slot
With the puncture needle into 10 ° of angles.The handle, it is in irregular shape from side, its bottom surface and side from front
Face is orthogonal regular planar.
Preferably, the length of the handle main body is 10cm, basal diameter 15mm.
Preferably, one end end face diameter that the handle main body is connected with puncture needle is reduced into 10mm, and the end face is set
There is rounded corner.
Preferably, the depth of the cutting is any of 1.6mm, 2.0mm or 2.4mm.
Preferably, the length of the puncture needle is 9cm, and the length at second tip is 5mm.
Preferably, the edge at first tip is equipped with rounded corner, further mitigates and avoids the damage to articular surface.
Preferably, the material of the intramedullary needle is titanium alloy；And/or the length at first tip is 1cm；And/or
First tip and the intramedullary needle needle body are into 170 ° of angles；And/or the first end length of intramedullary needle is 2cm, it is straight by inciting somebody to action
Footpath is respectively cut flat 0.3mm by the opposite both sides of the cylinder of 2.4mm and is made, to be rotated when ensureing that intramedullary needle is connected with intramedullary needle handle
Direction is constant.
Preferably, the intramedullary needle needle body is cylinder, and any one of a diameter of 1.6mm, 2.0mm or 2.4mm；
And/or it is 8cm to expose the length of intramedullary needle needle body outside the intramedullary needle handle；And/or the intramedullary needle handle with institute
The one end for stating first end connection is equipped with protrusion, and thumb promotes forward during in order to use, and auxiliary intramedullary needle is inserted.
The above-mentioned technical proposal of the utility model has the advantages that：The box-like brothers of disposable whole of the utility model
Intramedullary needle embedded with minimal invasion system, which will expand marrow and insert intramedullary needle, to be blended, and is disposably solved the problems, such as inserting for intramedullary needle, is simplified
Operating process, while secondary the step of finding into nail point, is improved during direct motion intramedullary needle in the prior art is inserted；In hand
In art in addition to manipulative reduction, rotatable the first tip of intramedullary needle handle remote control is simple and convenient convenient for completing the reduction of the fracture.
And the first tip of the utility model intramedullary needle is passivity, avoids the articular surface for piercing through distal end, reduces postoperative complications
Generation, alleviate patient suffering；Thus the utility model has great application and popularization value in medical instruments field.
Description of the drawings
Fig. 1 is the top view of the intramedullary needle of the utility model embodiment；
Fig. 2 is the side view of the intramedullary needle of the utility model embodiment；
Fig. 3 is the intramedullary needle of the utility model embodiment and the structure diagram of intramedullary needle handle；
Fig. 4 is the puncture needle of the utility model embodiment and the structure diagram of puncture needle handle；
Fig. 5 is the puncture needle of the utility model embodiment and the top view of puncture needle handle；
Fig. 6 is the structural representation of the box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole of the utility model embodiment
Figure；
Fig. 7 is the top view of the box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole of the utility model embodiment；
Wherein, 1, intramedullary needle；1-1, the first tip；1-2, intramedullary needle needle body；1-3, first end；1-4, needle body transition
Section；2nd, intramedullary needle handle；2-1, protrusion；3rd, puncture needle；3-1, the second tip；3-2, puncture needle needle body；3-3, cutting；4th, puncture
Pin handle；4-1, card slot；4-2, handle main body；4-3, assist handle.
Specific embodiment
The embodiment of the utility model is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used for limiting the scope of the utility model.
In the description of the utility model, unless otherwise indicated, term " first ", " second ", " the 3rd " etc. are only used for retouching
Purpose is stated, and it is not intended that instruction or hint relative importance.Unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect
It connects；It can be directly connected, can also be indirectly connected by intermediary.For the ordinary skill in the art, may be used
Understand concrete meaning of the above-mentioned term in the utility model to regard concrete condition.
As shown in Fig. 1~7, a kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole is present embodiments provided,
Including：The intramedullary needle 1 of titanium alloy (Ti6Al4V) material, the intramedullary needle handle 2 being connected with intramedullary needle 1, puncture needle 3 and with wearing
The puncture needle handle 4 that pricker 3 connects.
Intramedullary needle 1 includes intramedullary needle needle body 1-2, and intramedullary needle needle body 1-2 both ends are respectively the first tip 1-1 and first end
Needle body changeover portion 1-4, the first end are additionally provided between intramedullary needle needle body 1-2 and first end 1-3 in 1-3, wherein the present embodiment
End 1-3 and part needle body changeover portion are inserted in intramedullary needle handle 2, and the first tip 1-1 and intramedullary needle needle body 1-2 is pressed from both sides into 170 °
Angle, the first tip 1-1 and first end 1-3 are bluff body, and the two is in same plane, the edge of the first tip 1-1
Equipped with rounded corner.
Puncture needle 3 includes puncture needle needle body 3-2, and puncture needle needle body 3-2 both ends are respectively the second tip 3-1 and second end
(not shown), second end are inserted in puncture needle handle 4, and the second tip 3-1 is cone, and equipped with cutting 3-3, are carved
Slot 3-3 is in the plane where the median sagittal plane of puncture needle handle 4, and is matched with the first tip 1-1 so that the first point
End 1-1 is arranged in cutting 3-3, and card slot 4-1 is equipped in puncture needle handle 4, and card slot 4-1 is located at the center arrow of puncture needle handle 4
In shape face, card slot 4-1 and intramedullary needle handle 2 match so that intramedullary needle handle 2 is detachably arranged in card slot 4-1, and can be
It is slided in card slot 4-1.
The puncture needle handle 4 of the present embodiment includes handle main body 4-2 and assist handle 4-3, and handle main body 4-2 is in cylinder
Shape, assist handle 4-3 are axially arranged in the side wall of handle main body, and second end is inserted in handle main body 4-2, and card slot 4-1 is set
In in assist handle 4-3.The bottom surface and side of card slot are mutually perpendicular to, and are plane, and plane is with puncturing where the bottom surface of card slot
Pin 3 is into 10 ° of angles.The handle, it is in irregular shape from side, its bottom surface and side are mutually vertical from front
Straight regular planar.
In the present embodiment, the length of handle main body 4-2 is 10cm, basal diameter 15mm；Handle main body 4-2 and puncture needle
3 connected one end end face diameters are reduced into 10mm, and end face is equipped with rounded corner；The depth of cutting 3-3 is 2.0mm；Puncture needle 3
Length is 9cm, and the length of the second tip 3-1 is 5mm；The length of first tip 1-1 is 1cm；Intramedullary needle needle body 1-2 is cylinder
Body, and a diameter of 2.0mm；The first end 1-3 length of intramedullary needle be 2cm, by by the cylinder of a diameter of 2.4mm it is opposite two
Side is respectively cut flat 0.3mm and is made, and direction of rotation is constant during ensureing that intramedullary needle 1 is connected with intramedullary needle handle 2；In intramedullary needle 1 and marrow
When pin handle 2 assembles, the first end 1-3 of 2cm length is embedded in handle, completes close connection, intramedullary needle needle body 1-2 dew
The partial-length gone out outside intramedullary needle handle 2 is 8cm；Intramedullary needle handle 2 is equipped with protrusion 2- in the one end being connected with first end 1-3
1, thumb promotes forward during in order to use, and auxiliary intramedullary needle 1 is inserted.
In use, concrete operation step is as follows：
1st, the assembling of system：Puncture needle and puncture needle handle, intramedullary needle and intramedullary needle handle are assembled respectively, then by two
Handle combination assembling, makes intramedullary needle handle bottom be exactly in the card slot on puncture needle handle top, and bottom surface, side wall are in contact,
So that it is guaranteed that intramedullary needle tip (i.e. the first tip) is arranged in the cutting at puncture needle tip (i.e. the second tip).
2nd, locating aperture position is with puncturing：Puncture needle tip after combination is placed in default aperture position, perspective determines
Skin 2mm is cut afterwards, and bone surface is withstood at puncture needle tip；After perspective determines that position is good, cortex of bone is expanded using puncture needle
Opening.
3rd, intramedullary needle is inserted and the reduction of the fracture：After piercing through cortex of bone, along direction is punctured, intramedullary needle handle is promoted, it will be in marrow
Pin is inserted in ossis, then withdraws from puncture needle and puncture needle handle；Intramedullary needle handle is continued to press on, gos deep into intramedullary needle, is adjusted
Whole intramedullary needle tip direction, is passed to fracture site, into distal bone folded block；Rotary intramedullary pin handle is with remote control first
The reduction of the fracture is completed at tip.
4th, the processing of backshank：It will be cut after the backshank bending of intramedullary needle, remaining backshank is embedded in subcutaneously, skin suture wound
Mouthful；Or cut after bending, remaining backshank is stayed in beyond skin；Give gypsum auxiliary if necessary to fix.
The embodiment of the utility model in order to example and description for the sake of and provide, and be not exhaustively or will
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Selection and description embodiment are to more preferably illustrate the principle and practical application of the utility model, and make this field
Those of ordinary skill it will be appreciated that the utility model so as to designing the various embodiments with various modifications suitable for special-purpose.
Claims (10)
1. a kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole, which is characterized in that including：Intramedullary needle, with the marrow
The intramedullary needle handle of interior pin connection, puncture needle and the puncture needle handle being connected with the puncture needle；
The intramedullary needle includes intramedullary needle needle body, and the intramedullary needle needle body both ends are respectively the first tip and first end, described
First end is inserted in the intramedullary needle handle, first tip and the intramedullary needle needle body into 165 °~175 ° angles,
First tip and first end are bluff body, and the two is in same plane；
The puncture needle includes puncture needle needle body, and the puncture needle needle body both ends are respectively the second tip and second end, described
Second end is inserted in the puncture needle handle, and second tip is cone, and equipped with cutting, the cutting is in institute
It states in the plane where the median sagittal plane of puncture needle handle, and matches with first tip so that the first tip is arranged in
In the cutting, card slot is equipped in the puncture needle handle, the card slot is located in the median sagittal plane of puncture needle handle, described
Card slot and the intramedullary needle handle match so that intramedullary needle handle is detachably arranged in the card slot, and can be in the card slot
Interior slip.
2. the box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole according to claim 1, which is characterized in that described to wear
Pricker handle includes handle main body and assist handle, and the handle main body is cylindrical, and the assist handle is axially arranged on described
In the side wall of handle main body, the second end is inserted in the handle main body, and the card slot is arranged in the assist handle.
3. the box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole according to claim 2, which is characterized in that the card
The bottom surface and side of slot are mutually perpendicular to, and are plane, and plane where the bottom surface of the card slot is pressed from both sides with the puncture needle into 10 °
Angle.
4. the box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole according to claim 2, which is characterized in that the hand
The length of handle main body is 10cm, basal diameter 15mm.
5. the box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole according to claim 4, which is characterized in that the hand
One end end face diameter that handle main body is connected with puncture needle is reduced into 10mm, and the end face is equipped with rounded corner.
6. the box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole according to claim 1, which is characterized in that the quarter
The depth of slot is any of 1.6mm, 2.0mm or 2.4mm.
7. according to the box-like brothers' intramedullary needle embedded with minimal invasion system of claim 1~6 any one of them disposable whole, feature exists
In the length of the puncture needle is 9cm, and the length at second tip is 5mm.
8. according to the box-like brothers' intramedullary needle embedded with minimal invasion system of claim 1~6 any one of them disposable whole, feature exists
In the edge at first tip is equipped with rounded corner.
9. according to the box-like brothers' intramedullary needle embedded with minimal invasion system of claim 1~6 any one of them disposable whole, feature exists
In the material of the intramedullary needle is titanium alloy；And/or the length at first tip is 1cm；And/or first tip
With the intramedullary needle needle body into 170 ° of angles.
10. according to the box-like brothers' intramedullary needle embedded with minimal invasion system of claim 1~6 any one of them disposable whole, feature
It is, the intramedullary needle needle body is cylinder, and any one of a diameter of 1.6mm, 2.0mm or 2.4mm；And/or expose institute
The length for stating the intramedullary needle needle body outside intramedullary needle handle is 8cm；And/or the intramedullary needle handle connects with the first end
The one end connect is equipped with protrusion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720210513.4U CN207384317U (en) | 2017-03-06 | 2017-03-06 | A kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720210513.4U CN207384317U (en) | 2017-03-06 | 2017-03-06 | A kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole |
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| CN207384317U true CN207384317U (en) | 2018-05-22 |
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| CN201720210513.4U Active CN207384317U (en) | 2017-03-06 | 2017-03-06 | A kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963471A (en) * | 2017-03-06 | 2017-07-21 | 潘勇卫 | A kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole |
-
2017
- 2017-03-06 CN CN201720210513.4U patent/CN207384317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963471A (en) * | 2017-03-06 | 2017-07-21 | 潘勇卫 | A kind of box-like brothers' intramedullary needle embedded with minimal invasion system of disposable whole |
| CN106963471B (en) * | 2017-03-06 | 2023-09-05 | 潘勇卫 | Disposable integrated hand-foot intramedullary needle minimally invasive implantation system |
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