CN205322417U - Minimally invasive bone extractor - Google Patents
Minimally invasive bone extractor Download PDFInfo
- Publication number
- CN205322417U CN205322417U CN201521116046.6U CN201521116046U CN205322417U CN 205322417 U CN205322417 U CN 205322417U CN 201521116046 U CN201521116046 U CN 201521116046U CN 205322417 U CN205322417 U CN 205322417U
- Authority
- CN
- China
- Prior art keywords
- handle
- deep cylinder
- connecting rod
- rear end
- cutting
- 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 - Fee Related
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 26
- 238000010008 shearing Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 210000003692 ilium Anatomy 0.000 abstract description 27
- 206010018852 Haematoma Diseases 0.000 abstract description 3
- 208000002193 Pain Diseases 0.000 abstract description 3
- 239000012634 fragment Substances 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 208000032843 Hemorrhage Diseases 0.000 abstract description 2
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 208000018084 Bone neoplasm Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a minimally invasive bone extractor, which belongs to the field of medical instruments, can obtain cylindrical ilium or broken ilium, comprises a bone cutting barrel and a cutting device a, wherein the bone cutting barrel is cylindrical, the front end part of the bone cutting barrel is provided with an annular sawtooth a, the rear end of the bone cutting barrel is provided with a connecting part a, and the cutting device a consists of a cylindrical body a, a handle a, a connecting rod handle and a semi-circular arc-shaped blade; or comprises a bone cutting cylinder and a cutting device b, wherein the cutting device b consists of a cylindrical body b, a handle b, a fretsaw and a pull ring; the bone taking device for obtaining the broken ilium comprises a cutting part, a collecting part and a connecting part, wherein the front end part of the cutting part is provided with annular saw teeth b, and the inner wall of the cutting part is provided with a spiral cutter which can break the ilium and convey the ilium fragments to the rear end of the cutting part. The utility model has small incision and less bleeding, can shorten the operation time and reduce the complications such as infection, pain, hematoma, unhealed incision and the like.
Description
Technical field
This utility model relates to medical instruments field, particularly to micro-wound bone taking device。
Background technology
Autologous ilium is transplanted and is always up treatment Cranial defect, bone tumor, spinal column and joint fusion classics modus operandi, it is the best graft and goldstandard that merge, but applying clinical reaches the bone method that takes of decades always for traditional open big otch (more than 4 to 5 centimetres), knock with the method for osteotome and take bone, wound is big, hemorrhage many, the complication such as infection, pain, hematoma, otch disunion is many, limits the clinical practice of ilium。
Utility model content
The micro-wound bone taking device that this utility model provides, otch is little, goes out insufficiency of blood, can shorten operating time, makes the complication such as infection, pain, hematoma, otch disunion reduce。This utility model is except being applied to ilium and taking bone, and what apply also for other skeletons takes bone。
For reaching above-mentioned purpose, the technical solution adopted in the utility model has following three kinds:
The first micro-wound bone taking device, including deep cylinder, shearing device a, described deep cylinder is cylindric, the forward end of deep cylinder is provided with circular saw a, the rear end of deep cylinder is provided with connecting portion a, described shearing device a is by cylindric body a, handle a, connecting rod, connecting rod handle and semicircular arc blade composition, described body a diameter is identical with deep cylinder diameter, both sides, body a rear end arrange handle a, the axially disposed through hole of body a sidewall, described connecting rod runs through through hole, connecting rod front end is connected with semicircular arc blade one end, connecting rod is vertical with semicircular arc blade, connecting rod rear end arranges connecting rod handle。
Preferably, the width of the described semicircular arc blade wall thickness less than or equal to body a, the length of semicircular arc blade is more than or equal to 1/6th of body a end face girth。
Using method of the present utility model: open one osculum on patient skin, with dilator, osculum is strutted, again the front end of deep cylinder is inserted into ilium surface, connecting portion a is connected motor or artificial handle, rotate deep cylinder, ilium is sawed out a cannelure, take out deep cylinder, the body a of shearing device a is inserted annular groove bottom, connecting rod handle is utilized to rotate semicircular arc blade, cylindrical ilium in the middle of cannelure is cut off from annular groove bottom, namely can be taken off complete cylindrical ilium。
The beneficial effects of the utility model: otch little (caning be controlled within 1 centimetre), go out insufficiency of blood, and wound is little；Complete cylindrical ilium can be obtained, expand the range of application that autologous ilium is transplanted；Shearing device a delicate structure, easy to operate。
The second micro-wound bone taking device, including deep cylinder, shearing device b, described deep cylinder is cylindric, the forward end of deep cylinder is provided with circular saw a, the rear end of deep cylinder is provided with connecting portion a, described shearing device b is made up of cylindric body b, handle b, scroll saw and draw ring, described body b diameter is identical with deep cylinder diameter, both sides, body b rear end arrange handle b, the each axially disposed through hole of body b opposing sidewalls, described scroll saw two ends penetrate rear end respectively and pass and connect draw ring respectively from the front end of two through hole。
Preferably, except described scroll saw has sawtooth except the part exposed in body b front end, remainder is steel wire。
Using method of the present utility model: open one osculum on patient skin, with dilator, osculum is strutted, again the front end of deep cylinder is inserted into ilium surface, connecting portion a is connected motor or artificial handle, rotate deep cylinder, ilium is sawed out a cannelure, take out deep cylinder, when the body b of shearing device b is inserted annular groove bottom, the scroll saw that body b exposes front end is that semicircle is attached to body b front edge (as shown in Figure 4), after firmly pulling draw ring, the scroll saw of front end has the trend (as shown in Figure 5) becoming body b front end face diameter, utilize handle b rotary cutoff device b, ilium column bottom can be cut, finally can take out complete cylindrical ilium。
The beneficial effects of the utility model: otch little (caning be controlled within 1 centimetre), go out insufficiency of blood, and wound is little；Complete cylindrical ilium can be obtained, expand the range of application that autologous ilium is transplanted；Shearing device b delicate structure, easy to operate。
The third micro-wound bone taking device, including cutting part, collection portion, connecting portion, described cutting part is cylindric, the forward end of cutting part is provided with circular saw b, the inwall of cutting part is provided with the spiraled knife can smashed by ilium and be transported to cutting part rear end by ilium fragment, the rear end of cutting part connects with collection portion, and the rear end in collection portion is connected with connecting portion b。
Preferably, the diameter in the middle part of described collection portion is more than the diameter at two ends。
Preferably, the edge of a knife of described spiraled knife and the front end face of cutting part are generally aligned in the same plane, and blade arranges to cutting part rear end twist。
Further, the edge of a knife of described spiraled knife is through the center of circle of cutting part front end face。
Further, described spiraled knife has at least two, and the edge of a knife of spiraled knife is uniformly distributed。
Using method of the present utility model: open one osculum on patient skin, with dilator, osculum is strutted, again the front end of cutting part is inserted into ilium surface, connecting portion b is connected motor or artificial handle, rotate whole micro-wound bone taking device, the direction identical with the hand of spiral of spiraled knife (the broken ilium that the edge of a knife cuts namely can be made to be transported to collection portion) rotated, takes off micro-wound bone taking device and can obtain broken ilium after reaching desired depth。
The beneficial effects of the utility model: otch little (caning be controlled within 1 centimetre), go out insufficiency of blood, and wound is little；Disposable completing punching and take bone, operating time is short。
Accompanying drawing explanation
Fig. 1 is the structural representation of deep cylinder in embodiment one and embodiment two；
Fig. 2 is the upward view of Fig. 1；
Fig. 3 is the structural representation of shearing device a in embodiment one；
Fig. 4 is the structural representation (when inserting cannelure) of shearing device b in embodiment two；
Fig. 5 is the structural representation (during cannelure internal cutting) of shearing device b in embodiment two；
Fig. 6 is the structural representation of embodiment three；
In figure: the deep cylinder of 1-, 11-circular saw a, 12-connecting portion a, 121-groove；2-shearing device a, 21-body a, 22-handle a, 23-connecting rod, 24-connecting rod handle, 25-semicircular arc blade；3-shearing device b, 31-body b, 32-handle b, 33-scroll saw, 34-draw ring；The third micro-wound bone taking device of 4-, 41-cutting part, 42-collection portion, 43-connecting portion b, 411-circular saw, 412-spiraled knife。
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, this utility model is further elaborated。
Embodiment one:
As Figure 1-3, this utility model includes deep cylinder 1, shearing device a2, deep cylinder 1 is cylindric, the forward end of deep cylinder 1 is provided with circular saw a11, the rear end of deep cylinder 1 is provided with connecting portion a12, shearing device a2 is by cylindric body a21, handle a22, connecting rod 23, connecting rod handle 24 and semicircular arc blade 25 form, body a21 diameter is identical with deep cylinder 1 diameter, both sides, body a21 rear end arrange handle a22, the axially disposed through hole of body a21 sidewall, connecting rod 23 runs through through hole, connecting rod 23 front end is connected with semicircular arc blade 25 one end, connecting rod 23 is vertical with semicircular arc blade 25, connecting rod 23 rear end arranges connecting rod handle 24, the width of semicircular arc blade 25 wall thickness less than or equal to body a21, the length of semicircular arc blade 25 is more than or equal to 1/6th of body a21 end face girth。
Embodiment two:
Such as Fig. 1, 2, shown in 4 and 5, this utility model includes deep cylinder 1, shearing device b3, deep cylinder 1 is cylindric, the forward end of deep cylinder 1 is provided with circular saw a11, the rear end of deep cylinder 1 is provided with connecting portion a12, shearing device b3 is by cylindric body b31, handle b32, scroll saw 33 and draw ring 34 form, body b31 diameter is identical with deep cylinder 1 diameter, both sides, body b32 rear end arrange handle b32, the each axially disposed through hole of body b31 opposing sidewalls, scroll saw 33 two ends penetrate rear end respectively and pass and connect draw ring 34 respectively from the front end of two through hole, except scroll saw 33 has sawtooth except the part exposed in body b31 front end, remainder is steel wire。
Embodiment three:
As shown in Figure 6, this utility model includes cutting part 41, collection portion 42, connecting portion b43, cutting part 41 is cylindric, the forward end of cutting part 41 is provided with circular saw b411, the inwall of cutting part 41 is provided with the spiraled knife 412 can smashed by ilium and be transported to cutting part 41 rear end by ilium fragment, the rear end of cutting part 41 connects with collection portion 42, the rear end in collection portion 42 is connected with connecting portion b43, diameter in the middle part of collection portion 42 is more than the diameter at two ends, the front end face of the edge of a knife of spiraled knife 412 and cutting part 41 is generally aligned in the same plane, blade arranges to cutting part 41 rear end twist, the edge of a knife of spiraled knife 412 is through the center of circle of cutting part 41 front end face, spiraled knife 412 has at least two, the edge of a knife of spiraled knife 412 is uniformly distributed。
Certainly; this utility model also can have other various embodiments; when without departing substantially from this utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and deformation according to this utility model, but these change accordingly and deformation all should belong to the scope of the claims appended by this utility model。
Claims (4)
1. micro-wound bone taking device, it is characterized in that: include deep cylinder, shearing device a, described deep cylinder is cylindric, the forward end of deep cylinder is provided with circular saw a, the rear end of deep cylinder is provided with connecting portion a, described shearing device a is by cylindric body a, handle a, connecting rod, connecting rod handle and semicircular arc blade composition, described body a diameter is identical with deep cylinder diameter, both sides, body a rear end arrange handle a, the axially disposed through hole of body a sidewall, described connecting rod runs through through hole, connecting rod front end is connected with semicircular arc blade one end, connecting rod is vertical with semicircular arc blade, connecting rod rear end arranges connecting rod handle。
2. micro-wound bone taking device according to claim 1, it is characterised in that: the width of the described semicircular arc blade wall thickness less than or equal to body a, the length of semicircular arc blade is more than or equal to 1/6th of body a end face girth。
3. micro-wound bone taking device, it is characterized in that: include deep cylinder, shearing device b, described deep cylinder is cylindric, the forward end of deep cylinder is provided with circular saw a, the rear end of deep cylinder is provided with connecting portion a, described shearing device b is made up of cylindric body b, handle b, scroll saw and draw ring, described body b diameter is identical with deep cylinder diameter, both sides, body b rear end arrange handle b, the each axially disposed through hole of body b opposing sidewalls, described scroll saw two ends penetrate rear end respectively and pass and connect draw ring respectively from the front end of two through hole。
4. micro-wound bone taking device according to claim 3, it is characterised in that: except described scroll saw has sawtooth except the part exposed in body b front end, remainder is steel wire。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116046.6U CN205322417U (en) | 2015-12-29 | 2015-12-29 | Minimally invasive bone extractor |
| CN201620381083.8U CN205658949U (en) | 2015-12-29 | 2015-12-29 | Minimally invasive bone extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116046.6U CN205322417U (en) | 2015-12-29 | 2015-12-29 | Minimally invasive bone extractor |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620381083.8U Division CN205658949U (en) | 2015-12-29 | 2015-12-29 | Minimally invasive bone extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205322417U true CN205322417U (en) | 2016-06-22 |
Family
ID=56312360
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521116046.6U Expired - Fee Related CN205322417U (en) | 2015-12-29 | 2015-12-29 | Minimally invasive bone extractor |
| CN201620381083.8U Expired - Fee Related CN205658949U (en) | 2015-12-29 | 2015-12-29 | Minimally invasive bone extractor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620381083.8U Expired - Fee Related CN205658949U (en) | 2015-12-29 | 2015-12-29 | Minimally invasive bone extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN205322417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105395236A (en) * | 2015-12-29 | 2016-03-16 | 四川大学华西医院 | Minimally invasive bone extractor |
| CN110477963A (en) * | 2019-08-09 | 2019-11-22 | 上海长征医院 | Aspiration biopsy trepan |
-
2015
- 2015-12-29 CN CN201521116046.6U patent/CN205322417U/en not_active Expired - Fee Related
- 2015-12-29 CN CN201620381083.8U patent/CN205658949U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105395236A (en) * | 2015-12-29 | 2016-03-16 | 四川大学华西医院 | Minimally invasive bone extractor |
| CN110477963A (en) * | 2019-08-09 | 2019-11-22 | 上海长征医院 | Aspiration biopsy trepan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205658949U (en) | 2016-10-26 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20181229 |