CN209678654U - Antibiotic-loaded bone cement intramedullary nail external member - Google Patents
Antibiotic-loaded bone cement intramedullary nail external member Download PDFInfo
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- CN209678654U CN209678654U CN201721071394.5U CN201721071394U CN209678654U CN 209678654 U CN209678654 U CN 209678654U CN 201721071394 U CN201721071394 U CN 201721071394U CN 209678654 U CN209678654 U CN 209678654U
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- bone cement
- casing
- intramedullary nail
- antibiotic
- nail
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Abstract
The utility model relates to intramedullary nail technical fields, are a kind of antibiotic-loaded bone cement intramedullary nail external members；It includes syringe, casing and intramedullary nail；Sealing is communicated with casing at the syringe needle socket connector of syringe, and casing is the elastic hose of tube wall, and the intramedullary nail includes nail rod and ailhead；Intramedullary nail nail rod is placed in casing, and clearance fit is formed between casing.Lateral separation is arranged with bone cement pack hole in nail rod.The utility model reasonable and compact in structure, it is easy to use；Reduce debridement infected tissue treatment number, can both reduce patient be hospitalized and bed rest time, avoid needing to perform the operation again because of localized bone infections and bone nonunion increasing additional medical expense to patient；And antibiotic is local application, toxic side effect will not be generated to main organs, to ensure that the safety using antibiotic-loaded bone cement intramedullary nail treatment opening long bone fracture.
Description
Technical field
The utility model relates to intramedullary nail technical fields, are a kind of antibiotic-loaded bone cement intramedullary nail external members.
Background technique
Previous opening long bone fracture, needs first debridement, reuses interim external fixing rack and carries out interim outer art admittedly, it is postoperative to
Soft tissue condition reuses intramedullary nail again and carries out the second stage of row internal fixation after improving；Wherein in interim external fixing rack, exist outer
The possibility of fixed frame pin site infection, many patients still will appear the infection at open fracture position after timely debridement, and feel
It is difficult to obtain the control of infection by way of fixed in retaining after hair dyeing life, is required to take out in most cases interior solid
Fixed, multiple debridement infected tissue thoroughly drains, could cure behind part and whole body application long-time antibiotic, not only extend
Length of patient stay increases medical expense, and therapeutic process is very painful for patient.
Summary of the invention
The utility model provides a kind of antibiotic-loaded bone cement intramedullary nail external member, overcomes the defects of the prior art,
It can effectively solve open long bone fracture in interim outer art admittedly, need to take out the interior fixed multiple debridement infected tissue of progress and control
It treats, the very painful problem for patient.
The technical solution of the utility model is realized by following measures: a kind of antibiotic-loaded bone cement intramedullary nail set
Part, including syringe, casing and intramedullary nail；Sealing is communicated with casing at the syringe needle socket connector of syringe, and casing is tube wall band
Flexible hose, the intramedullary nail include nail rod and ailhead；Nail rod is placed in casing, and is formed gap between casing and matched
It closes.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
In above-mentioned nail rod can lateral separation be arranged with bone cement pack hole.
Above-mentioned bone cement pack hole may include upward and downward bone cement pack hole up and down and front and back perforation front and back to
Bone cement pack hole, upward and downward bone cement pack hole and front and back to bone cement pack hole be respectively in lateral separation arranged distribution in marrow
In the nail rod of interior nail；Upward and downward bone cement pack hole and front and back are interspersed between bone cement pack hole.
Above-mentioned upward and downward bone cement pack hole and its adjacent front and back that interlocks can be to the pitch-row between bone cement pack hole
10mm is between 20mm；The aperture and front and back of upward and downward bone cement pack hole to the aperture of bone cement pack hole respectively 2mm extremely
Between 2.5mm.
Above-mentioned casing can be flexible glue reducing casing tube, including flexible glue casing tubule section and flexible glue casing extra heavy pipe section；Flexible glue casing
Tubule section and flexible glue casing extra heavy pipe section integrally connected；The syringe needle socket at flexible glue casing tubule section right openings end and injector syringe
It seals and is plugged in together between place's connector；The nail rod of intramedullary nail is placed in the flexible glue casing extra heavy pipe section of casing.
The utility model reasonable and compact in structure, it is easy to use；The antibiotic-loaded bone cement that can be produced by this external member
Intramedullary nail can directly act on patients with fractures affected part, and in affected part locally be rapidly reached the peak concentration of drug and to have for a long time
Effect ground release antibiotic, sufficiently acts on infection site caused by open long bone fracture, facilitate fracture end and soft tissue more
It closes, reduces the generation of bone nonunion and bone tissue defect；Greatly reduce open long bone fracture patient Repeated Operation after debridement
A possibility that, medical expense is not only reduced, the probability of the infection in also interim outer art admittedly reduces the treatment of debridement infected tissue
Number, can both reduce patient be hospitalized and bed rest time, avoid needing to perform the operation again because of localized bone infections and bone nonunion to patient
Increase additional medical expense；And antibiotic is local application, toxic side effect will not be generated to main organs, so that ensure that makes
With the safety of antibiotic-loaded bone cement intramedullary nail treatment opening long bone fracture.
Detailed description of the invention
Attached drawing 1 is the main view broken section structural schematic diagram of the best embodiment of the utility model.
Coding in attached drawing is respectively as follows: 1 for syringe, and 2 be nail rod, and 3 be ailhead, and 4 be upward and downward bone cement pack hole, and 5
It is flexible glue casing extra heavy pipe section for flexible glue casing tubule section, 6,7 be front and back to bone cement pack hole, and 8 be lock hole.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: the positional relationship of upper and lower, left and right is the Butut according to Figure of description 1
Direction determines.
The utility model is further described below with reference to examples and drawings:
Embodiment 1: as shown in Fig. 1, which includes syringe 1, casing and intramedullary nail；
Sealing is communicated with casing at the syringe needle socket connector of syringe 1, and casing is the elastic hose of tube wall, and the intramedullary nail includes
Nail rod 2 and ailhead 3；Nail rod 2 is placed in casing, and clearance fit is formed between casing.It can be produced by this external member outer
Portion is covered with the intramedullary nail of antibiotic-loaded bone cement；In antibiotic-loaded bone cement intramedullary nail, bone cement provides one kind for antibiotic
Effective medium, can and the combination of intramedullary nail after and be placed in by way of interior fixation patients with fractures affected part, and in affected part office
Portion is rapidly reached the peak concentration of drug and to discharge antibiotic long-term effectively, sufficiently acts on caused by open long bone fracture
Infection site facilitates the healing of fracture end and soft tissue, reduces the generation of bone nonunion and bone tissue defect；It greatly reduces out
Putting property long bone fracture patient a possibility that Repeated Operation, not only reduces medical expense after debridement, in also interim outer art admittedly
The probability of infection, reduce debridement infected tissue treatment number, can both reduce patient be hospitalized and bed rest time, avoid because of local bone
Infection and bone nonunion and need to perform the operation again and increase additional medical expense to patient；And antibiotic is local application, to main
Internal organs will not generate toxic side effect, to ensure that the safety using antibiotic-loaded bone cement intramedullary nail treatment opening long bone fracture
Property.
Above-mentioned antibiotic-loaded bone cement intramedullary nail external member can be made further optimization and/or improvements according to actual needs:
As shown in Fig. 1, lateral separation is arranged with bone cement pack hole in nail rod 2.The bone cement pack hole is used to fill
Antibiotic-loaded bone cement further increases drug effect to improve the content of antibiotic in antibiotic-loaded bone cement intramedullary nail.
As shown in Fig. 1, bone cement pack hole includes that upward and downward bone cement pack hole 4 up and down and front and back penetrate through
It is arranged respectively in lateral separation to bone cement pack hole 7, upward and downward bone cement pack hole 4 and front and back to bone cement pack hole 7 front and back
Column distribution is in the nail rod 2 of intramedullary nail；Upward and downward bone cement pack hole 4 and front and back are divided between bone cement pack hole 7 in interlocking
Cloth.
Wherein, upward and downward bone cement pack hole 4 and front and back can make 2 sections of formation mesh screen holes of nail rod to bone cement pack hole 7
2 surface of nail rod of shape, 2 surface of nail rod of this mesh can increase contact dose of the antibiotic-loaded bone cement with patient, thus
Antibiotic function and effect are further increased, antibiotic drug effect is enhanced.
As shown in Fig. 1, upward and downward bone cement pack hole 4 and its adjacent front and back that interlocks are between bone cement pack hole 7
Pitch-row in 10mm between 20mm；The aperture and front and back of upward and downward bone cement pack hole 4 are divided to the aperture of bone cement pack hole 7
Not in 2mm between 2.5mm.Such antibiotic-loaded bone cement intramedullary nail can either meet strength demand, and can guarantee medicine
Effect, is optimal using effect.
As shown in Fig. 1, to connect convenient for casing with syringe 1, casing is flexible glue reducing casing tube, including flexible glue casing is thin
Pipeline section 5 and flexible glue casing extra heavy pipe section 6；Flexible glue casing tubule section 5 and 6 integrally connected of flexible glue casing extra heavy pipe section；Flexible glue casing tubule
It seals and is plugged in together between 5 right openings ends of section and the syringe needle spigot connector of 1 syringe of syringe；The nail rod 2 of intramedullary nail is set
In in the flexible glue casing extra heavy pipe section 6 of casing.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
The use process of the best embodiment of the utility model:
Step 1: nail rod 2 is inserted in flexible glue casing extra heavy pipe section 6；Intramedullary nail ailhead 3 is placed in flexible glue casing extra heavy pipe section 6
Outside；
Step 2: configuration antibiotic-loaded bone cement；
Step 4: using syringe 1 by configured antibiotic-loaded bone cement sprue bushing, and being filled into nail rod 2 and flexible glue
Between 6 inner wall of casing extra heavy pipe section in gap, make to form antibiotic-loaded bone cement coating outside nail rod 2；
Step 5: after bone cement hardening, being drilled through at the lock hole 8 in corresponding nail rod 2 with electric drill, to facilitate intramedullary nail
It uses；
Step 6: after the completion of drilling, flexible glue casing extra heavy pipe section 6 is cut, by manufactured antibiotic-loaded bone cement intramedullary nail from soft
It is stripped out in gum cover pipe extra heavy pipe section 6；
Step 7: manufactured antibiotic-loaded bone cement intramedullary nail is used directly for the internal fixation treatment of fracture.
Claims (3)
1. a kind of antibiotic-loaded bone cement intramedullary nail external member, it is characterised in that including syringe, casing and intramedullary nail；The needle of syringe
Sealing is communicated with casing at head socket connector, and casing is the elastic hose of tube wall, and the intramedullary nail includes nail rod and ailhead；
Intramedullary nail nail rod is placed in casing, and clearance fit is formed between casing, and lateral separation is arranged with bone cement filling in nail rod
Hole, bone cement pack hole include that the front and back of upward and downward bone cement pack hole and front and back perforation up and down is filled to bone cement
Hole, upward and downward bone cement pack hole and front and back to bone cement pack hole be respectively in nail rod of the lateral separation arranged distribution in intramedullary nail
On；Upward and downward bone cement pack hole and front and back are interspersed between bone cement pack hole.
2. antibiotic-loaded bone cement intramedullary nail external member according to claim 1, it is characterised in that upward and downward bone cement pack hole
With its adjacent front and back that interlocks to the pitch-row between bone cement pack hole in 10mm between 20mm；Upward and downward bone cement pack hole
Aperture and front and back to the aperture of bone cement pack hole respectively in 2mm between 2.5mm.
3. antibiotic-loaded bone cement intramedullary nail external member according to claim 1 or 2, it is characterised in that casing is flexible glue drill holder
Pipe, including flexible glue casing tubule section and flexible glue casing extra heavy pipe section；Flexible glue casing tubule section and flexible glue casing extra heavy pipe section integrally connected；
It seals and is plugged in together between flexible glue casing tubule section right openings end and the syringe needle spigot connector of injector syringe；Intramedullary nail
Nail rod be placed in the flexible glue casing extra heavy pipe section of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721071394.5U CN209678654U (en) | 2017-08-23 | 2017-08-23 | Antibiotic-loaded bone cement intramedullary nail external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721071394.5U CN209678654U (en) | 2017-08-23 | 2017-08-23 | Antibiotic-loaded bone cement intramedullary nail external member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209678654U true CN209678654U (en) | 2019-11-26 |
Family
ID=68593331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721071394.5U Active CN209678654U (en) | 2017-08-23 | 2017-08-23 | Antibiotic-loaded bone cement intramedullary nail external member |
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| CN (1) | CN209678654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150475A (en) * | 2020-01-15 | 2020-05-15 | 中国人民解放军第四军医大学 | Bone cement intramedullary nail and preparation method thereof |
| CN115252090A (en) * | 2022-08-09 | 2022-11-01 | 昆山市第一人民医院 | Adjustable tibia fracture intramedullary nail |
-
2017
- 2017-08-23 CN CN201721071394.5U patent/CN209678654U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150475A (en) * | 2020-01-15 | 2020-05-15 | 中国人民解放军第四军医大学 | Bone cement intramedullary nail and preparation method thereof |
| CN115252090A (en) * | 2022-08-09 | 2022-11-01 | 昆山市第一人民医院 | Adjustable tibia fracture intramedullary nail |
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