CN103932761A - Caput femoris puncturing tool - Google Patents
Caput femoris puncturing tool Download PDFInfo
- Publication number
- CN103932761A CN103932761A CN201410151246.9A CN201410151246A CN103932761A CN 103932761 A CN103932761 A CN 103932761A CN 201410151246 A CN201410151246 A CN 201410151246A CN 103932761 A CN103932761 A CN 103932761A
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- CN
- China
- Prior art keywords
- positioning
- handle
- guide channel
- auxiliary positioning
- cone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a caput femoris puncturing tool. The caput femoris puncturing tool comprises a puncture positioning machine and a puncture guiding machine. The puncture guiding machine comprises a handle, a positioning block, a first guiding channel, a second guiding channel, a third guiding channel and two positioning needles. The handle is fixedly connected with the upper end of the side face of a cone through a first arc board. The upper end of the positioning block is connected to the lower end face of the cone. The lower end face of the positioning block is a slope. The rear ends of the two positioning needles are symmetrically and fixedly connected to the slope. The first guiding channel, the second guiding channel and the third guiding channel respectively penetrate through the cone and the positioning block from top to bottom. The puncture positioning machine comprises a handle and a positioning table which are fixedly connected through a second arc board. A main positioning hole and a plurality of auxiliary positioning hole groups are formed in the positioning table, wherein the main positioning hole and the auxiliary positioning hole groups penetrate through the positioning table. The distances between the auxiliary positioning hole groups and the main positioning hole are equal. Positioning is accurately conducted through the puncture guiding machine. The caput femoris puncturing tool is combined into different sizes through auxiliary positioning holes so as to be suitable for the neck of femur with different diameters, accuracy is increased, and an operation is safer.
Description
Technical field
The present invention relates to a kind of operating theater instruments, specifically a kind of femoral head Centesis instrument.
Background technology
Current capital puncture depends on perspective and the cognition of doctor to femoral head anatomical knowledge of X-ray machine, and the assistive device there is no need is used, in operation skin incision large, to soft tissue and osseous tissue damage is large, operating time is long, it is inaccurate to perform the operation.
Summary of the invention
In order to address the above problem, the invention provides a kind of femoral head Centesis instrument, when carrying out Minimally Invasive Surgery, can make the skeleton of fracture set back fast, solved open surgery impaired large, recovery time of the longer problem that adopts.
The present invention is by the following technical solutions: a kind of femoral head Centesis instrument, it is characterized in that, comprise puncture locator and puncture gate apparatus, described puncture gate apparatus comprises handle, cone, locating piece, the first guide channel, the second guide channel, the 3rd guide channel and two positioning needles, described handle is affixed by the upper end, side of the first arc and cone, the upper end of described locating piece connects the lower surface of cone, locating piece lower surface is inclined plane, the rear end symmetry of described positioning needle is fixed on described inclined plane, the first described guide channel, the second guide channel and the 3rd guide channel run through respectively cone and locating piece from top to bottom, described puncture locator comprises handle and positioning table, described positioning table is affixed by the second arc and handle, described positioning table is provided with main locating hole and some auxiliary positioning hole group of running through positioning table from top to bottom, and each group auxiliary positioning hole group equates with the distance between main locating hole, each is organized auxiliary positioning hole group and is comprised of some auxiliary positioning hole.
Further, described handle is semicircle cell body, and described handle is cylinder, and described handle is fastened in handle.
Further, the outer surface of described handle and handle is equipped with non-slip process.
Preferably, the central axis of described the first guide channel and the central axes of cone, the second guide channel and the 3rd guide channel are symmetrical arranged along the first guide channel.
Preferably, described main locating hole is positioned at the center of positioning table.
Preferably, described auxiliary positioning hole group's quantity is 3 groups.
Preferably, each auxiliary positioning hole group comprises 3 auxiliary positioning holes, and 3 described auxiliary positioning holes are isosceles triangle arrangement.
The invention has the beneficial effects as follows: puncture gate apparatus is by positioning needle fixed apparatus, the guide channel of 3 angles is selected the direction of Kirschner wire puncture, puncture locator has 3 groups of auxiliary positioning hole groups that distance is different, each auxiliary positioning hole group comprises 3 auxiliary positioning holes, can combine different sizes, be applicable to the neck of femur diameter of different sizes, improve accuracy rate, the damage of minimizing to osseous tissue and soft tissue, makes to perform the operation safer.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram after the present invention combines;
Fig. 2 is the perspective view of puncture gate apparatus;
Fig. 3 is puncture gate apparatus plan structure schematic diagram;
Fig. 4 is the perspective view of puncture locator.
In figure: 1 puncture gate apparatus, 11 handles, 12 first arcs, 13 cones, 14 locating pieces, 141 inclined planes, 15 positioning needles, 16 first guide channels, 17 second guide channels, 18, the three guide channels, 2 puncture locators, 21 handles, 22 second arcs, 23 positioning tables, 24 main locating holes, 25 auxiliary positioning hole groups, 251 auxiliary positioning holes.
The specific embodiment
A kind of femoral head Centesis instrument as shown in Figure 1 comprises puncture locator 2 and puncture gate apparatus 1, described puncture gate apparatus 1 comprises handle 11, the first arc 12, cone 13, locating piece 14, the first guide channel 15, the second guide channel 16, the 3rd guide channel 17 and two positioning needles 18, described puncture locator 2 comprises handle 21, the second arc 22 and positioning table 23, described handle 11 is semicircle cell body, described handle 12 is cylinder, and described handle 12 is fastened in handle 11.
Further, in order to increase the frictional force of handle 11 and handle 21, the outer surface of described handle 11 and handle 21 is equipped with non-slip process.
As shown in Figures 2 and 3, described handle 11 is affixed with the upper end, side of cone 13 by the first arc 12, the upper surface diameter of cone 13 is longer than cone 13 lower surface diameters, described locating piece 14 is cylindrical structural, the upper surface of locating piece 14 connects the lower surface of cone 13, locating piece 14 lower surfaces are inclined plane 141, the rear end symmetry of described two positioning needles 15 is fixed on described inclined plane 141, the first described guide channel 16, the second guide channel 17 and the 3rd guide channel 18 run through respectively cone 13 and locating piece 14 from top to bottom, wherein, the central axes of the central axis of described the first guide channel 16 and cone 13, the second guide channel 17 and the 3rd guide channel 18 are symmetrical arranged along the first guide channel 16.
As shown in Figure 4, described positioning table 23 is cylindrical structural, described positioning table 23 is affixed with handle 21 by the second arc 22, described positioning table 23 is provided with the main locating hole 24 that runs through positioning table 23 centers of circle from top to bottom, around main locating hole 24, be provided with three groups of auxiliary positioning hole groups 25, and each group auxiliary positioning hole group 25 equates with the distance between main locating hole 24, each auxiliary positioning hole group 25 comprises three auxiliary positioning holes 251, and three described auxiliary positioning holes 251 are isosceles triangle arranges, and positioning table 23 is run through respectively in each auxiliary positioning hole 251.
During use, first utilize the positioning needle 15 of puncture gate apparatus 1 head end, through skin incision, through muscle and soft tissue, positioning needle 15 is inserted and secured on femoral head cortical bone, and inclined plane 141 contacts with femur, re-use three Kirschner wires and insert respectively in three guide channels, under x-ray fluoroscopy, confirm position and the direction of Kirschner wire, retention position is the best one, take out puncture gate apparatus 1 and unnecessary Kirschner wire.
Then, along the Kirschner wire staying in advance, insert puncture locator 2, Kirschner wire is through main locating hole 24, in main locating hole 24 three groups of auxiliary positioning hole groups 25 around, a Kirschner wire is inserted in auxiliary positioning hole of any selection 251 of every group, under x-ray fluoroscopy, confirm the on position of last three Kirschner wires that insert, guarantee that Kirschner wire is inner at neck of femur, and press close to cortical bone.
Except structure of the present invention, all the other are prior art.
The above is the preferred embodiment of the present invention, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications are also regarded as protection scope of the present invention.
Claims (7)
1. a femoral head Centesis instrument, it is characterized in that, comprise puncture locator and puncture gate apparatus, described puncture gate apparatus comprises handle, cone, locating piece, the first guide channel, the second guide channel, the 3rd guide channel and two positioning needles, described handle is affixed by the upper end, side of the first arc and cone, the upper end of described locating piece connects the lower surface of cone, locating piece lower surface is inclined plane, the rear end symmetry of described two positioning needles is fixed on described inclined plane, the first described guide channel, the second guide channel and the 3rd guide channel run through respectively cone and locating piece from top to bottom, described puncture locator comprises handle and positioning table, described positioning table is affixed by the second arc and handle, described positioning table is provided with main locating hole and some auxiliary positioning hole group of running through positioning table from top to bottom, and each group auxiliary positioning hole group equates with the distance between main locating hole, each is organized auxiliary positioning hole group and is comprised of some auxiliary positioning hole.
2. a kind of femoral head Centesis instrument according to claim 1, is characterized in that, described handle is semicircle cell body, and described handle is cylinder, and described handle is fastened in handle.
3. a kind of femoral head Centesis instrument according to claim 1 and 2, is characterized in that, the outer surface of described handle and handle is equipped with non-slip process.
4. a kind of femoral head Centesis instrument according to claim 1 and 2, is characterized in that, the central axis of described the first guide channel and the central axes of cone, and the second guide channel and the 3rd guide channel are symmetrical arranged along the first guide channel.
5. a kind of femoral head Centesis instrument according to claim 1 and 2, is characterized in that, described auxiliary positioning hole group's quantity is 3 groups.
6. a kind of femoral head Centesis instrument according to claim 1 and 2, is characterized in that, described main locating hole is positioned at the center of positioning table.
7. a kind of femoral head Centesis instrument according to claim 1 and 2, is characterized in that, each auxiliary positioning hole group comprises 3 auxiliary positioning holes, and 3 described auxiliary positioning holes are isosceles triangle arrangement.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410151246.9A CN103932761A (en) | 2014-04-16 | 2014-04-16 | Caput femoris puncturing tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410151246.9A CN103932761A (en) | 2014-04-16 | 2014-04-16 | Caput femoris puncturing tool |
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CN103932761A true CN103932761A (en) | 2014-07-23 |
Family
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Family Applications (1)
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CN201410151246.9A Pending CN103932761A (en) | 2014-04-16 | 2014-04-16 | Caput femoris puncturing tool |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107072677A (en) * | 2014-09-29 | 2017-08-18 | 拜欧米特制造有限责任公司 | Adjustable glenoid cavity pin inserts guiding piece |
CN107802330A (en) * | 2017-11-21 | 2018-03-16 | 中国人民解放军第四五五医院 | Spinal puncture positioning auxiliary device |
CN107802328A (en) * | 2017-11-21 | 2018-03-16 | 中国人民解放军第四五五医院 | Spinal puncture positioning auxiliary device |
Citations (6)
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US20040236341A1 (en) * | 2003-05-20 | 2004-11-25 | Petersen Thomas D. | Instruments and method for minimally invasive surgery for total hips |
CN1689535A (en) * | 2004-04-28 | 2005-11-02 | 刘晓冬 | Internal fixation three-dimensional guider for femoral neck fracture |
WO2010102247A2 (en) * | 2009-03-05 | 2010-09-10 | Smith & Nephew, Inc. | System, method, and apparatus for locating a femoral neck guide wire |
CN201642303U (en) * | 2010-03-31 | 2010-11-24 | 常熟市第五人民医院 | Thighbone near-end dissection type sighting device |
CN202191359U (en) * | 2011-06-20 | 2012-04-18 | 王欣 | In-vitro positioning device for nailing depth of main nail of proximal femoral nail |
CN203763197U (en) * | 2014-04-16 | 2014-08-13 | 王红军 | Caput femoris puncturing tool |
-
2014
- 2014-04-16 CN CN201410151246.9A patent/CN103932761A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040236341A1 (en) * | 2003-05-20 | 2004-11-25 | Petersen Thomas D. | Instruments and method for minimally invasive surgery for total hips |
CN1689535A (en) * | 2004-04-28 | 2005-11-02 | 刘晓冬 | Internal fixation three-dimensional guider for femoral neck fracture |
WO2010102247A2 (en) * | 2009-03-05 | 2010-09-10 | Smith & Nephew, Inc. | System, method, and apparatus for locating a femoral neck guide wire |
CN201642303U (en) * | 2010-03-31 | 2010-11-24 | 常熟市第五人民医院 | Thighbone near-end dissection type sighting device |
CN202191359U (en) * | 2011-06-20 | 2012-04-18 | 王欣 | In-vitro positioning device for nailing depth of main nail of proximal femoral nail |
CN203763197U (en) * | 2014-04-16 | 2014-08-13 | 王红军 | Caput femoris puncturing tool |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107072677A (en) * | 2014-09-29 | 2017-08-18 | 拜欧米特制造有限责任公司 | Adjustable glenoid cavity pin inserts guiding piece |
CN107802330A (en) * | 2017-11-21 | 2018-03-16 | 中国人民解放军第四五五医院 | Spinal puncture positioning auxiliary device |
CN107802328A (en) * | 2017-11-21 | 2018-03-16 | 中国人民解放军第四五五医院 | Spinal puncture positioning auxiliary device |
CN107802330B (en) * | 2017-11-21 | 2023-09-05 | 中国人民解放军第四五五医院 | Spinal puncture positioning auxiliary device |
CN107802328B (en) * | 2017-11-21 | 2023-09-05 | 中国人民解放军第四五五医院 | Spinal puncture positioning auxiliary device |
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Application publication date: 20140723 |