CN203506860U - Intramedullary needle locator for orthopedic surgery - Google Patents
Intramedullary needle locator for orthopedic surgery Download PDFInfo
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- CN203506860U CN203506860U CN201320613124.8U CN201320613124U CN203506860U CN 203506860 U CN203506860 U CN 203506860U CN 201320613124 U CN201320613124 U CN 201320613124U CN 203506860 U CN203506860 U CN 203506860U
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- intramedullary needle
- localizer
- intramedullary
- bone surgery
- needle
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Abstract
The utility model provides an intramedullary needle locator for orthopedic surgery, and belongs to the technical field of medical equipment. The problems that in existing orthopedic intramedullary needle internal fixation, the needle inserting position of an intramedullary needle needs to be determined by cutting up a large wound, and the large surgical wound is caused are solved. The intramedullary needle locator for the orthopedic surgery comprises a columnar body enabling X-rays to penetrate through, and a plurality of guide holes penetrating through the two ends of the body are formed in the body in the length direction of the body. The intramedullary needle internal fixation is made to achieve minimal invasion, and the advantages of the simple structure and low manufacturing cost are achieved.
Description
Technical field
This utility model belongs to Medical Equipment technical field, relates to a kind of intramedullary needle localizer for bone surgery.
Background technology
Minimally Invasive Surgery is current operating development trend, and due to the fast development of industry and transportation, the incidence rate of all kinds of fracture obviously increased in the last few years, particularly the sickness rate of Fracture of femur ascendant trend linearly.For human femur under loading fracture, intramedullary needle internal fixation is the prefered method for the treatment of at present.Adopt the femur of the fixing fracture of intramedullary needle to there are many advantages, as more solid in intramedullary needle itself firm, postoperative can be less with or need not fix outward, be conducive to hinder the early ambulant exercise of limb, simultaneously intramedullary needle is long and have difformity corner angle, embed pulp cavity, can reach firm interior fixing, can avoid the generation of rotation, sidesway and angulation displacement.
When carrying out intramedullary needle internal fixation, for the requirement of the entry point position of intramedullary needle, be very accurately, departing from of intramedullary needle entry point, can cause fixed effect greatly to reduce, and affects the healing effect of skeleton.Therefore, under existing Medical Technology level conditions, for the fixing of Fracture of femur, be, all generally to adopt open intramedullary needle internal fixation.Its operating procedure is first on the muscle in one end, femur inserting needle position outside, to cut openning one, to appear femur end, thereby under direct-view, determines the inserting needle position of intramedullary needle, then intramedullary needle is squeezed into pulp cavity, through fractures to the needed degree of depth.Such modus operandi has the following disadvantages: due to femur end, around muscle is many, inserting needle position and inserting needle direction are all difficult to grasp, and therefore, in order to determine inserting needle position, need larger operative incision, cause operation wound larger, due to muscle vascular, neural more around femur end, cause tissue injury serious, healing difficulty simultaneously, operating time extends, increase patient's misery and wound, in addition, also increased infection chance and the damage of local blood fortune.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, a kind of intramedullary needle localizer for bone surgery has been proposed, technical problem to be solved in the utility model is to make intramedullary needle internal fixation just can accurately locate the entry point of intramedullary needle without cutting larger operative incision, thereby realizes Wicresoft.
The purpose of this utility model can realize by following technical proposal: a kind of intramedullary needle localizer for bone surgery, it is characterized in that, this intramedullary needle localizer comprises the cylindrical body of X-ray thoroughly, offers along its length some guide holes that run through body two ends in described body.
This intramedullary needle localizer mainly applies in the intramedullary needle internal fixation of Fracture of femur.While adopting this intramedullary needle localizer to carry out intramedullary needle internal fixation, only need make a little otch at the inserting needle position of femur one end, then this intramedullary needle localizer is inserted in otch, in guide hole, place respectively draw point, because this physical ability of intramedullary needle localizer sees through X-ray line, therefore doctor can or take the photograph under the guidance of sheet at tv x-ray machine, by rotating the position of intramedullary needle localizer simple adjustment draw point, make the interior a certain draw point of intramedullary needle localizer over against the entry point of intramedullary needle, then utilize this draw point to cut part sclerotin at entry point, now just determined the entry point of intramedullary needle, after entry point is determined, doctor just can insert intramedullary needle in femur from this entry point at an easy rate, femur to fracture is fixed.Adopt this intramedullary needle localizer to carry out intramedullary needle internal fixation, without appearing femur end, only need to make a little otch at the inserting needle position of femur one end, just can determine the inserting needle position of intramedullary needle, and then complete operation technique, there is operation wound less, healing easily, operating time is short, has reduced patient's misery and wound, has reduced infection chance and the damage of local blood fortune.
At the above-mentioned intramedullary needle localizer for bone surgery, the cross section of described body is rounded, and an end of body is the frustum head that diameter reduces gradually outward, and the other end of body is grip part.The cross section of body is rounded, can facilitate intramedullary needle localizer to rotate, the friction while reducing the rotation of intramedullary needle localizer and between human muscle, minimizing patient's misery.The head of body is frustum, and the head end diameter of body is less, the resistance in the time of reducing intramedullary needle localizer insertion operative incision, thus conveniently intramedullary needle is inserted in operative incision.
At the above-mentioned intramedullary needle localizer for bone surgery, described guide hole is circular hole, the hole heart line of each guide hole all with the axis parallel of described body.Guide hole length direction is straight, in operation process, needs to plug the parts such as draw point, intramedullary needle guide pin in guide hole, and therefore straight guide hole can facilitate the parts such as draw point, intramedullary needle guide pin to insert in guide hole.
At the above-mentioned intramedullary needle localizer for bone surgery, described guide hole comprises centre bore and some the lateral opening of described centre bore surrounding that be evenly distributed on being positioned on body axial line.
At the above-mentioned intramedullary needle localizer for bone surgery, described lateral openingly have six.
At the above-mentioned intramedullary needle localizer for bone surgery, described centre bore and lateral opening aperture are 0.2～0.4cm, and the diameter of described body is 1.5～2.5cm, and the length of described body is 12～15cm.As preferably, centre bore and lateral opening aperture are 0.3cm, and the diameter of body is 2cm, and the length of body is 13cm.
The intramedullary needle localizer for bone surgery above-mentioned, is also provided with handle on the grip part of described body.When rotating intramedullary needle localizer, grasp handle, can handled easily.
At the above-mentioned intramedullary needle localizer for bone surgery, described body is that plastic material is made.
Compared with prior art, this intramedullary needle localizer for bone surgery has following advantage:
1, this intramedullary needle localizer for bone surgery, when carrying out intramedullary needle internal fixation operation, just can prepare to locate the entry point of intramedullary needle without cutting larger surgical wound, has therefore greatly reduced patient's misery, makes intramedullary needle internal fixation realize Wicresoft.
2, this intramedullary needle localizer for bone surgery has been obtained very good effect in clinical trial, and simultaneously simple in structure, the cost of raw material is cheap, so low cost of manufacture, is applicable to extensively promoting the use.
Accompanying drawing explanation
Fig. 1 is the perspective view of this utility model embodiment mono-.
Fig. 2 is the sectional structure schematic diagram of this utility model embodiment mono-.
Fig. 3 is the top view of this utility model embodiment mono-.
Fig. 4 is the upward view of this utility model embodiment mono-.
Fig. 5 is the perspective view of this utility model embodiment bis-.
In figure, 1, body; 1a, head; 1b, grip part; 2, guide hole; 2a, centre bore; 2b, lateral opening; 3, handle.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiment.
Embodiment mono-
As depicted in figs. 1 and 2, this is for the intramedullary needle localizer of bone surgery, comprise by plastic material or other cylindrical body 1 that X-ray material is made thoroughly, the cross section of body 1 is rounded, resistance while inserting operative incision in order to reduce intramedullary needle localizer, one end of body 1 is the frustum head 1a that diameter reduces gradually outward, and the other end of body 1 is grip part 1b.In body 1, offer along its length seven guide holes 2 that run through body 1 two ends, certainly, in actual production manufacture process, can suitably increase and reduce according to actual needs the quantity of guide hole 2.As Fig. 2, Fig. 3 and Fig. 4, guide hole 2 is circular hole, the hole heart line of each guide hole 2 all with the axis parallel of body 1.Seven guide holes 2 are respectively centre bore 2a and six the lateral opening 2b that are evenly distributed on centre bore 2a surrounding that are positioned on body 1 axial line.Wherein, the aperture of centre bore 2a and lateral opening 2b is 2cm, and the diameter of body 1 is 2.5cm, and the length of body 1 is 13cm.In actual production process, in order to meet different requirements of operation, can appropriate change centre bore 2a and the aperture of lateral opening 2b, diameter and the length of body 1, generally, the pore diameter range of centre bore 2a and lateral opening 2b is between 0.2～0.4cm, the diameter range of body 1 is between 1.5～2.5cm, and the length range of body 1 is the most suitable between 12～15cm.
The femur of take is below set forth the using method of this intramedullary needle localizer as example, and this intramedullary needle localizer also can apply in the intramedullary needle internal fixation operation of other skeletons except femur certainly.When performing the operation, first, at the inserting needle position of femur one end, make a little otch, this intramedullary needle localizer is inserted in otch 1a one end from the head, until the head 1a of body 1 is resisted against on femur, then in guide hole 2, insert some shorter draw points, at tv x-ray machine or take the photograph under the guidance of sheet, observe whether there is draw point over against intramedullary needle entry point.If now there is no draw point over against intramedullary needle entry point, so can be by rotating intramedullary needle localizer, at tv x-ray machine or the guidance of taking the photograph sheet, rotate below limit observation, until have a certain draw point over against intramedullary needle entry point position.Now, just can take out all the other draw points not relative with intramedullary needle entry point position, utilization stays the draw point in intramedullary needle localizer to cut part sclerotin at entry point, formation one facilitates the aperture of inserting needle, then take out this draw point, select suitable intramedullary needle, intramedullary needle guide pin is penetrated in intramedullary needle localizer, length direction from aperture along femur inserts in femur again, after planting well, take out intramedullary needle localizer, again hollow intramedullary needle is enclosed within on intramedullary needle guide pin and is inserted in femur, after completing, intramedullary needle guide pin is taken out, finally at the two ends of intramedullary needle, by bone screw, fix, sew up wound, now just completed the fixing of intramedullary needle.Adopt this intramedullary needle localizer to carry out intramedullary needle internal fixation, without appearing femur end, only need to make a little otch at the inserting needle position in femur one end, just can determine the inserting needle position of intramedullary needle, and then complete operation technique, therefore realized Wicresoft, operating time shortens greatly, has reduced to a great extent patient's misery.
Embodiment bis-
The present embodiment is basic identical with structure and the principle of embodiment mono-, and different place is: as shown in Figure 5, in operation process, the convenient intramedullary needle localizer that rotates, is also provided with handle 3 on the grip part 1b of body 1.The shape of handle 3 is not only confined to the shape shown in figure, and a demanding party is holding body 1 just, when rotating intramedullary needle localizer, grasps handle 3, can handled easily.
Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as body 1, head 1a, grip part 1b, guide hole 2, centre bore 2a, lateral opening 2b, handle 3 herein, do not got rid of the probability of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with this utility model spirit.
Claims (8)
1. for an intramedullary needle localizer for bone surgery, it is characterized in that, this intramedullary needle localizer comprises the cylindrical body of X-ray (1) thoroughly, offers along its length some guide holes (2) that run through body (1) two ends in described body (1).
2. the intramedullary needle localizer for bone surgery according to claim 1, it is characterized in that, the cross section of described body (1) is rounded, and an end of body (1) is the frustum head (1a) that diameter reduces gradually outward, and the other end of body (1) is grip part (1b).
3. the intramedullary needle localizer for bone surgery according to claim 1 and 2, is characterized in that, described guide hole (2) is circular hole, the hole heart line of each guide hole (2) all with the axis parallel of described body (1).
4. the intramedullary needle localizer for bone surgery according to claim 3, it is characterized in that, described guide hole (2) comprises centre bore (2a) and some lateral opening (2b) that is evenly distributed on described centre bore (2a) surrounding being positioned on body (1) axial line.
5. the intramedullary needle localizer for bone surgery according to claim 4, is characterized in that, described lateral opening (2b) has six.
6. the intramedullary needle localizer for bone surgery according to claim 5, it is characterized in that, the aperture of described centre bore (2a) and lateral opening (2b) is 0.2～0.4cm, and the diameter of described body (1) is 1.5～2.5cm, and the length of described body (1) is 12～15cm.
7. the intramedullary needle localizer for bone surgery according to claim 1 and 2, is characterized in that, described body (1) is made for plastic material.
8. the intramedullary needle localizer for bone surgery according to claim 2, is characterized in that, on the grip part (1b) of described body (1), is also provided with handle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320613124.8U CN203506860U (en) | 2013-09-29 | 2013-09-29 | Intramedullary needle locator for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320613124.8U CN203506860U (en) | 2013-09-29 | 2013-09-29 | Intramedullary needle locator for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203506860U true CN203506860U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320613124.8U Expired - Fee Related CN203506860U (en) | 2013-09-29 | 2013-09-29 | Intramedullary needle locator for orthopedic surgery |
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| CN (1) | CN203506860U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103800077A (en) * | 2014-02-25 | 2014-05-21 | 贺新宁 | Lotus-root-shaped guide locator |
| CN104665917A (en) * | 2015-02-15 | 2015-06-03 | 陆爱清 | Intramedullary nail entry point regulator |
| CN104665916A (en) * | 2015-02-15 | 2015-06-03 | 陆爱清 | Intramedullary nail entry angle regulator |
-
2013
- 2013-09-29 CN CN201320613124.8U patent/CN203506860U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103800077A (en) * | 2014-02-25 | 2014-05-21 | 贺新宁 | Lotus-root-shaped guide locator |
| CN104665917A (en) * | 2015-02-15 | 2015-06-03 | 陆爱清 | Intramedullary nail entry point regulator |
| CN104665916A (en) * | 2015-02-15 | 2015-06-03 | 陆爱清 | Intramedullary nail entry angle regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20170929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |