CN109730759A - A kind of orthopedic bone nail fixation kit of pelvis - Google Patents
A kind of orthopedic bone nail fixation kit of pelvis Download PDFInfo
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- CN109730759A CN109730759A CN201910012403.0A CN201910012403A CN109730759A CN 109730759 A CN109730759 A CN 109730759A CN 201910012403 A CN201910012403 A CN 201910012403A CN 109730759 A CN109730759 A CN 109730759A
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Abstract
The present invention relates to a kind of orthopedic bone nail fixation kits of pelvis comprising positioning spicule, fixing bone pin and reinforcement sealing nail；The head of the fixing bone pin is provided with half-thread, tail portion is provided with U-lag mouth, and internal screw thread is provided on the inner wall of the U-lag mouth, and the fixing bone pin is provided with guide through hole；The guide through hole includes reinforcing hole section and sealing bore；The pilot pin and reinforcement sealing nail are adapted with the guide through hole respectively；The reinforcement sealing nail includes sequentially connected pilot seal head, seal section and strengthening segment, the strengthening segment is adapted with the reinforcement hole section, the seal section is adapted with the sealing bore, and the pilot seal head is provided with external screw thread compatible with the internal screw thread on the U-lag mouth inner wall；At least one circle seal is provided on the seal section.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of orthopedic bone nail fixation kits of pelvis.
Background technique
Pelvic fracture is a kind of severe trauma, accounts for the 1%~3% of fracture sum, mostly caused by high energy wound, companions more than half
There are complication or multiple injury, disability rate is up to 50%~60%.Although fracture caused by low energy damage does not destroy pelvic ring mostly
Stabilization, but most serious will cause hemorrhagic traumatic shock and pelvic cavity viscera associated injury, and giving treatment to improper has very high death
Rate, up to 10.2%.
In general, be related to front ring damage pelvic fracture in clinic unusual common, most of pelvic fracture
Will be with the fracture of front ring, some are simple front ring fracture, some front ring fracture that have been complicated complicated with fracture of pelvis.It is logical
Normal pelvis front ring fracture can be used steel plate, pubic branch screw or external fixing rack and be treated.From Rahul Vaidya in 2012
Since year report application for the first time built-in external fixing rack technology (INFIX) treatment pelvic fracture, this technology obtains in clinic
It is extensive to promote and apply.But the current treatment status document of the related INFIX by retrieval in recent years, it is seen that this side
There is a problem of more, technology incidence of complications with higher after magic arts.
The document that Rahul Vaidya in 2017 is published on International Orthopaedics points out, steel
Plate ratio INFIX can fracture to superior ramus of pubis to provide and preferably reset, and the treatment results of the two are similar, and INFIX is likely to be suited for fertilizer
The patient of fat patient and urinary system injury.Hoskins in 2016 etc. reports 21 patients, and 12 have occurred thigh lateral skin mind
Through benumbing.29 patients of the follow-ups such as Fang in 2017 are fractured using INFIX treatment pelvis front ring, finally have 14 have occurred
Nervus cutaneus femoris lateralis (LFCN) damage, 7 cannot restore pervious walking ability, and 3 occur to damage nothing with nervus cutaneus femoris lateralis
The hip chronic ache of pass, 1 generation femoral nerve paralysis, 5 must not take out because of interior fixed loosen in postoperative 6 weeks, 1 deep
Infection, 1 poignant inside-fixture are hit.Fang etc. points out that there is INFIX the damage of very high nervus cutaneus femoris lateralis to occur
Rate is opposed to abuse INFIX for stable pelvic fracture.
The present invention improve to infix screw and created, and the improved orthopedic bone nail fixation kit of surfix pelvis is micro-
Wound implantation and skin external control are produced out, sealing nail is reinforced in duct configuration, substantially reduce infection probability；It is easy to operate outside skin, it avoids
The generation of nervus cutaneus femoris lateralis damage；Second operation wound is avoided, subtracts wound for patient.
Summary of the invention
That technical problem to be solved by the invention is to provide a kind of infection probabilities is small, it is subcutaneous it is easy to operate, avoid secondary wound
The orthopedic bone nail fixation kit of the high pelvis of wound, good fixing effect, stability.
To solve the above problems, the technical solution used in the present invention is:
A kind of orthopedic bone nail fixation kit of pelvis, key technology are: it includes positioning spicule, fixing bone pin and reinforces sealing
Nail；
The head of the fixing bone pin is provided with half-thread, tail portion is provided with U-lag mouth, is arranged on the inner wall of the U-lag mouth
There is internal screw thread, the fixing bone pin is provided with guide through hole；The guide through hole includes reinforcing hole section and sealing bore；
The positioning spicule and reinforcement sealing nail are adapted with the guide through hole respectively；
The reinforcement sealing nail includes sequentially connected pilot seal head, seal section and strengthening segment, and the strengthening segment adds with described
Strong hole section is adapted, and the seal section is adapted with the sealing bore, and the pilot seal head is provided with and the U-lag mouth
The compatible external screw thread of internal screw thread on inner wall；At least one circle seal is provided on the seal section.
As a further improvement of the present invention, the strengthening segment be light bar segment or external thread section, the reinforcements hole section for
The light bar segment or the compatible unthreaded hole section of external thread section or internal thread segment.
As a further improvement of the present invention, be additionally provided with outer fixing piece, the outer fixing piece include outer fixed link and
Fixing bolt, the outer fixed link and fixing bolt are adapted with the U-lag mouth respectively.
As a further improvement of the present invention, the outer fixing piece is additionally provided with locking cap, the locking cap and the tail
Portion is adapted；It is provided with outer fixed link resigning notch and opening on the locking cap, is provided with chamfering on the tail portion.
As a further improvement of the present invention, the seal is semicircle seal.
As a further improvement of the present invention, the arc protruded to the inside of U-lag mouth is provided on the side wall of the U-lag mouth
Shape face.
The beneficial effects of adopting the technical scheme are that
The orthopedic bone nail fixation kit of pelvis of the present invention is made of positioning spicule, fixing bone pin and reinforcement sealing nail.It uses
When, fixing bone pin is screwed in bone then along positioning spicule by first implantation positioning spicule, and fixing bone pin implantation in place afterwards will positioning
Spicule takes out, and after positioning spicule takes out, reinforcement is sealed nail and is screwed in guide through hole, then will fix cap on tail portion.It is fixed
Position spicule can play the role of positioning and guiding, can effectively prevent secondary heavy plant, to avoid second operation wound and repeatedly plant
Enter pelvis is caused to be broken.After positioning spicule taking-up, fixing bone pin becomes hollow, and into fixing bone pin, sealing is reinforced in secondary merging
Nail, can effectively reinforce the intensity of fixing bone pin and prevent external bacterium from entering fixing bone pin causing to infect.The head of fixing bone pin
For half-thread, scratch and mechanical damage when can effectively reduce nail nipping, to muscle intradermal tissue.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the overlooking structure diagram of fixing bone pin of the present invention.
Fig. 3 is the structural schematic diagram that the present invention reinforces sealing nail.
Fig. 4-6 is using state structure diagram of the present invention.
Wherein: sealing nail is reinforced in 100 positioning spicules, 200 fixing bone pins, 300；
1 tail portion, 2U shape notch, 2-1 arcwall face, 3 guide through hole, 3-1 reinforce hole section, 3-2 sealing bore, 4 pilot seal heads, 5
Seal section, 6 strengthening segments, 7 seals, 8 outer fixed links, 9 fixing bolts, 10 locking caps, 10-1 opening, the outer fixed link of 10-2 are stepped down
Notch, 11 pelvises, 12 heads, 12-1 half-thread.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, in the following with reference to the drawings and specific embodiments to hair
It is bright to carry out clear, complete description.
A kind of orthopedic bone nail fixation kit of pelvis as shown in figures 1 to 6 comprising positioning spicule 100, fixing bone pin 200 and
Reinforce sealing nail 300.Sideslip causes secondary heavy plant that pelvis is caused to be broken when to prevent from being directly implanted into fixing bone pin 200 to pelvis,
Position inaccuracy, implant holes are big when avoiding being implanted directly into fixing bone pin 200, and cause later period fixed loosening, cause second operation
Wound, the first implantation positioning spicule 100 before being implanted into fixing bone pin 200 revolve fixing bone pin 200 then along positioning spicule 100
Enter bone, then positioning spicule 100 is taken out, using the positioning of positioning spicule 100 and the effect of guiding, can effectively prevent secondary heavy
It plants, avoids pelvis fracture and second operation wound.After positioning the taking-up of spicule 100, fixing bone pin 200 becomes hollow, in order to
Reinforce its intensity and prevent external bacterium from entering fixing bone pin 200 causing to infect, into fixing bone pin 200, secondary merging is reinforced close
Envelope nail 300.
As shown in Figs. 1-5, the head 12 of the fixing bone pin 200 is provided with half-thread 12-1, tail portion 1 is provided with U-lag
Mouthfuls 2, internal screw thread is provided on the inner wall of the U-lag mouth 2, and the fixing bone pin 200 is provided with guide through hole 3.The guiding
Through-hole 3 includes reinforcing hole section 3-1 and sealing bore 3-2.The positioning spicule 100 and the reinforcement sealing nail 300 respectively with institute
Guide through hole 3 is stated to be adapted.
The present invention is additionally provided with outer fixing piece, and the outer fixing piece includes outer fixed link 8 and fixing bolt 9, described outer solid
Fixed pole 8 and fixing bolt 9 are adapted with the U-lag mouth 2 respectively.The outer fixing piece is additionally provided with locking cap 10, described solid
Determine cap 10 to be adapted with the tail portion 1.Outer fixed link resigning notch 10-2 and opening 10-1, institute are provided on the locking cap 10
It states and is provided with chamfering on tail portion 1, locking cap 10 is facilitated to cover into tail portion 1.
The arcwall face 2-1 protruded to the inside of U-lag mouth is provided on the side wall of the U-lag mouth 2.It is fixed and anti-when needing
When only two fixing bone pins 200 move, it is put into outer fixed link 8 on the U-lag mouth 2 on two fixing bone pins 200, and screws in solid
Determining bolt 9 to be fixed, arcwall face 2-1 can effectively reduce depth of parallelism when outer fixed link 8 is put between two U-lag mouths 2, from
And reduce operation difficulty.
After fixing bone pin 200 is implanted into, a part implantation bone, a part is located at skin and flesh tissue, and tail portion 1 is exposed in vitro.
Therefore, half-thread 12-1 is set by the head 12 of fixing bone pin 200, threaded section can effectively be implanted into bone, be located at skin and flesh group
Knitting section is smooth surface, can effectively avoid the scratch and mechanical damage that skin and flesh tissue is caused when subsequent nail nipping.
Tail portion 1 should be short as far as possible, to avoid unnecessary hooking, influences therapeutic effect.For the tail for shortening fixing bone pin 200
Tail portion 1 is fixed in portion 1 using locking cap 10, and outer fixed link resigning notch 10-2 is provided on locking cap 10, when locking cap 10 covers
After upper, outer fixed link 8 is in outer fixed link resigning notch 10-2, so that making the height of tail portion 1 reduces.
As shown in Figs. 1-5, the reinforcement sealing nail 300 includes sequentially connected pilot seal head 4, seal section 5 and reinforces
Section 6, the strengthening segment 6 is adapted with the reinforcement hole section 3-1, and the seal section 5 is adapted with the sealing bore 3-2, institute
It states pilot seal head 4 and is provided with external screw thread compatible with the internal screw thread on 2 inner wall of U-lag mouth.It is set on the seal section 5
It is equipped at least one circle seal 7, seal 7 is semicircle seal in the present embodiment.
After the reinforcement hole section 3-1 of the screw-in fixing bone pin 200 of strengthening segment 6 for reinforcing sealing nail 300, the two is fixed to become one
Body effectively increases the intensity of fixing bone pin 200.Seal section 5 seals entire fixing bone pin 200 in sealing bore 3-2,
Itself and external contact are prevented, avoids external bacterium from entering fixing bone pin and causes to infect.
The strengthening segment 6 is light bar segment or external thread section, and the reinforcement hole section 3-1 is and the light bar segment or external thread section
Compatible unthreaded hole section or internal thread segment.In the present embodiment, strengthening segment 6 is light bar segment, reinforces hole section 3-1 and is and the light bar segment
Compatible unthreaded hole section.
In use, first implantation positioning spicule, screws in bone, fixing bone pin implantation for fixing bone pin then along positioning spicule
Positioning spicule is taken out afterwards in place, after positioning spicule taking-up, will reinforce sealing in nail screw-in guide through hole, then by fixed cap
In the tail portion of fixing bone pin.When being implanted into multiple fixing bone pins, the relative position of U-lag mouth on two fixing bone pins can adjust,
Be put into outer fixed link, fixing bolt screwed in into U-lag mouth, then covers locking cap, complete entire fixing bone pin implantation and
It is fixed.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. a kind of orthopedic bone nail fixation kit of pelvis, it is characterised in that: it include positioning spicule (100), fixing bone pin (200) and
Reinforce sealing nail (300)；
The head (12) of the fixing bone pin (200) is provided with half-thread (12-1), tail portion (1) is provided with U-lag mouth (2), institute
It states and is provided with internal screw thread on the inner wall of U-lag mouth (2), the fixing bone pin (200) is provided with guide through hole (3)；The guiding
Through-hole (3) includes reinforcing hole section (3-1) and sealing bore (3-2)；
The positioning spicule (100) and reinforcement sealing nail (300) are adapted with the guide through hole (3) respectively；
Reinforcement sealing nail (300) includes sequentially connected pilot seal head (4), seal section (5) and strengthening segment (6), described
Strengthening segment (6) is adapted with the reinforcement hole section (3-1), and the seal section (5) is adapted with the sealing bore (3-2), institute
It states pilot seal head (4) and is provided with external screw thread compatible with the internal screw thread on U-lag mouth (2) inner wall；The seal section
(5) at least one circle seal (7) is provided on.
2. the orthopedic bone nail fixation kit of a kind of pelvis according to claim 1, it is characterised in that: the strengthening segment (6) is
Light bar segment or external thread section, the reinforcement hole section (3-) are unthreaded hole section compatible with the light bar segment or external thread section or interior spiral shell
Line section.
3. the orthopedic bone nail fixation kit of a kind of pelvis according to claim 1 or 2, it is characterised in that: it is additionally provided with outer
Fixing piece, the outer fixing piece include outer fixed link (8) and fixing bolt (9), the outer fixed link (8) and fixing bolt (9)
It is adapted respectively with the U-lag mouth (2).
4. the orthopedic bone nail fixation kit of a kind of pelvis according to claim 3, it is characterised in that: the outer fixing piece is also set
It is equipped with locking cap (10), the locking cap (10) is adapted with the tail portion (1)；Outer fixation is provided on the locking cap (10)
Bar resigning notch (10-2) and opening (10-1), are provided with chamfering on the tail portion (2).
5. the orthopedic bone nail fixation kit of a kind of pelvis according to claim 4, it is characterised in that: the seal (7) is
Semicircle seal.
6. a kind of according to claim 1, the described in any item orthopedic bone nail fixation kits of pelvis in 2,4 or 5, it is characterised in that: institute
State the arcwall face (2-1) for being provided on the side wall of U-lag mouth (2) and protruding to the inside of U-lag mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012403.0A CN109730759A (en) | 2019-01-07 | 2019-01-07 | A kind of orthopedic bone nail fixation kit of pelvis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012403.0A CN109730759A (en) | 2019-01-07 | 2019-01-07 | A kind of orthopedic bone nail fixation kit of pelvis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109730759A true CN109730759A (en) | 2019-05-10 |
Family
ID=66363662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910012403.0A Pending CN109730759A (en) | 2019-01-07 | 2019-01-07 | A kind of orthopedic bone nail fixation kit of pelvis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109730759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112826580A (en) * | 2020-12-31 | 2021-05-25 | 刘华水 | Ilium nail |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2346399Y (en) * | 1998-04-03 | 1999-11-03 | 杨然德 | Bone nail structure |
| CN2834442Y (en) * | 2005-11-08 | 2006-11-08 | 邢庆昌 | Porous hollow pressurized screw fixator for fracture of neck of femur |
| CN103917196A (en) * | 2011-11-02 | 2014-07-09 | 华沙整形外科股份有限公司 | Implant assembly with a rigid interface |
| CN105167888A (en) * | 2009-02-24 | 2015-12-23 | 史密夫和内修有限公司 | Methods and apparatus for fai surgeries |
| CN105520777A (en) * | 2016-02-05 | 2016-04-27 | 侯志勇 | Bone plate implanted from front inner side of distal femur |
| CN106580410A (en) * | 2016-12-23 | 2017-04-26 | 常州市康辉医疗器械有限公司 | Anti-infection external fixation hollow spicule with tail cap and injection hole |
| CN209789989U (en) * | 2019-01-07 | 2019-12-17 | 侯志勇 | pelvis orthopedic bone nail fixing assembly |
-
2019
- 2019-01-07 CN CN201910012403.0A patent/CN109730759A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2346399Y (en) * | 1998-04-03 | 1999-11-03 | 杨然德 | Bone nail structure |
| CN2834442Y (en) * | 2005-11-08 | 2006-11-08 | 邢庆昌 | Porous hollow pressurized screw fixator for fracture of neck of femur |
| CN105167888A (en) * | 2009-02-24 | 2015-12-23 | 史密夫和内修有限公司 | Methods and apparatus for fai surgeries |
| CN103917196A (en) * | 2011-11-02 | 2014-07-09 | 华沙整形外科股份有限公司 | Implant assembly with a rigid interface |
| CN105520777A (en) * | 2016-02-05 | 2016-04-27 | 侯志勇 | Bone plate implanted from front inner side of distal femur |
| CN106580410A (en) * | 2016-12-23 | 2017-04-26 | 常州市康辉医疗器械有限公司 | Anti-infection external fixation hollow spicule with tail cap and injection hole |
| CN209789989U (en) * | 2019-01-07 | 2019-12-17 | 侯志勇 | pelvis orthopedic bone nail fixing assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112826580A (en) * | 2020-12-31 | 2021-05-25 | 刘华水 | Ilium nail |
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