CN107789050B - Quick positioner for femoral intramedullary nail needle insertion point - Google Patents
Quick positioner for femoral intramedullary nail needle insertion point Download PDFInfo
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- CN107789050B CN107789050B CN201711171537.4A CN201711171537A CN107789050B CN 107789050 B CN107789050 B CN 107789050B CN 201711171537 A CN201711171537 A CN 201711171537A CN 107789050 B CN107789050 B CN 107789050B
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- guide pin
- metal frame
- groove
- angle adjusting
- rectangular metal
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8897—Guide wires or guide pins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
- A61B90/13—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints guided by light, e.g. laser pointers
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a quick locator for a femoral intramedullary nail needle insertion point, which comprises a rectangular metal frame, a fixed rod and a connecting rod, wherein the fixed rod is connected to an operating table, two ends of the connecting rod are respectively connected with the rectangular metal frame and the fixed rod through angle adjusting pieces capable of adjusting angles, and meanwhile, a guide needle groove and a guide needle groove which are convenient for guide needle movement and are in the same plane are formed in the rectangular metal frame, and the quick locator has the advantages that: the locator can be used for rapidly locating the needle-falling point before and during the operation, reducing the puncture times of locating the leg of a patient when the needle is taken down, reducing the pain of the patient, adjusting the height and the angle of the device according to unsuitable positions, and simultaneously, having simple structure and being convenient to assemble and disassemble.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to a quick locator for a needle insertion point of a femoral intramedullary nail.
Background
The fracture of the femoral shaft and the proximal femur is a very common fracture, the intramedullary nail is internally fixed, which is a common treatment method with good curative effect at present, the operation mode comprises incision reduction and closed reduction, wherein the incision reduction can lead the fracture to achieve good reduction, but the fracture is easy to be delayed to heal or not heal due to the damage of local blood circulation of the fracture, the increase of the blood loss of the operation and the obvious increase of the infection chance are easy to cause, and the closed reduction has less damage to soft tissues and does not damage the blood circulation of the fracture end, so the healing time is shorter than that of the open reduction, the healing effect is better, and the blood loss and postoperative infection can be reduced.
While the closed reduction intramedullary nail has the above advantages, the need to insert the guide pin from the greater trochanter apex into the intramedullary canal at the proximal end of the fracture and through the fracture end into the intramedullary canal at the distal end of the fracture during which the guide pin from the greater trochanter apex into the intramedullary canal at the proximal end of the fracture is very difficult, particularly in the following respects: firstly, the needle insertion point is difficult to determine, because the intramedullary nail is inserted slightly in the junction of the anterior and the middle third of the apex of the greater trochanter, the gluteus medius is attached to the apex of the greater trochanter, and the inner side of the intramedullary nail is quickly extended to the femoral neck in a steep slope, so that the area of the needle insertion point is small, the needle insertion point is difficult to determine, the needle point is easy to shift in the needle insertion process after the needle insertion is determined, the intramedullary nail is difficult to insert due to the incorrect needle insertion point, and even iatrogenic fracture can be caused; if the proximal fracture is a femoral shaft fracture, the proximal fracture is often shifted outwards and upwards under the action of muscle traction and the blocking of the perineum part against the traction column, so that the vertex of the greater trochanter is inclined towards the deep part of the body, the included angle between the needle inserting direction and the longitudinal axis of the proximal fracture section is reduced, and the needle inserting is difficult.
The current determination of the intramedullary nail insertion point and the insertion direction is completely dependent on the experience of the operator and the perspective of the C-arm X-ray machine, so that an auxiliary instrument for the intramedullary nail insertion point is needed.
Disclosure of Invention
Aiming at the current state of the art, the invention provides the rapid locator for the femoral intramedullary nail needle insertion point, which has flexible and convenient angle adjustment, reduced puncture times and accurate location.
The technical scheme adopted for solving the technical problems is as follows: a quick locator of needle point is advanced to thighbone intramedullary nail which characterized in that: including rectangle metal frame and be fixed in this rectangle metal frame on the operating table and can adjust the adjusting device of this rectangle metal frame angle, rectangle metal frame includes the first minor face that is connected with adjusting device, the second minor face relative with first minor face, is close to the interior long limit of patient's shank and keep away from the outer long limit of patient's shank, interior long limit with outer long limit sets up relatively, interior long limit with first guide pin groove and second guide pin groove have been seted up to outer long limit correspondence, the guide pin groove has been seted up on the second minor face, the guide pin groove with the second guide pin groove is linked together, first guide pin groove, second guide pin groove and guide pin groove are located the coplanar, like this, the guide pin can follow the convenient puncture shank of each angle.
For the angle of convenient regulation rectangle metal frame, preferably, adjusting device is including being fixed in the dead lever on the operating table, the upper end of dead lever is connected with the connecting rod through first angle adjusting part, the rectangle metal frame through the second angle adjusting part with the connecting rod is connected.
Specifically, the first angle adjusting piece comprises a first upper joint and a first lower joint which are mutually hinged through a first screw and are respectively provided with an upper accommodating groove and a lower accommodating groove, and the tail end of the first screw is provided with a first nut matched with the first screw; the second angle adjusting piece comprises a second upper joint and a second lower joint which are mutually hinged through second screws and are provided with an upper accommodating groove and a lower accommodating groove, and the tail end of each second screw is provided with a second nut matched with the second screw.
Further, an extension rod is outwards extended from the first short side of the rectangular metal frame and is tightly matched in a lower accommodating groove of the second lower joint of the second angle adjusting piece, and one end of the connecting rod is tightly matched in an upper accommodating groove of the second upper joint of the second angle adjusting piece; one end of the fixing rod is tightly matched in the lower accommodating groove of the first lower joint of the first angle adjusting piece, and the other end of the connecting rod is tightly matched in the upper accommodating groove of the first upper joint of the first angle adjusting piece.
In order to facilitate observation of whether the lower needle position is accurate, preferably, the bottom of the inner long side or the bottom of the outer long side is alternatively provided with a light hole which is convenient for determining that the guide needle groove and the leg bone to be operated are on the same straight line.
In order to adjust the rectangular metal frame to adapt to the height required by the operation, preferably, the fixing rod is further provided with a lifting device for adjusting the upper and lower heights of the fixing rod.
Compared with the prior art, the invention has the advantages that: this quick locator of thighbone intramedullary nail needle insertion point, including rectangle metal frame, dead lever and connecting rod, wherein the dead lever is connected on the operating table, the connecting rod both ends are connected with rectangle metal frame and dead lever respectively through angle adjusting part that can angle regulation, set up guide pin groove and guide pin groove on the rectangle metal frame simultaneously that be convenient for the guide pin remove and in the coplanar, above-mentioned structure can satisfy the position quick positioning to needle insertion point in the operation in-process, reduce the puncture number of needle insertion to patient shank location, reduce patient's misery, simultaneously to improper position, adjusting device's height and angle, device simple structure, the assembly is dismantled all very conveniently simultaneously.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of an angle adjuster according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
fig. 4 is a schematic view of a rectangular metal frame structure according to an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 4, in this embodiment, the quick locator for the needle insertion point of the intramedullary nail of femur comprises a rectangular metal frame 1 and an adjusting device 2 which is used for fixing the rectangular metal frame 1 on an operating table and adjusting the angle of the rectangular metal frame 1, wherein the rectangular metal frame 1 comprises a first short side 1a connected with the adjusting device 2, a second short side 1b opposite to the first short side 1a, an inner long side 1c close to the leg of a patient and an outer long side 1d far away from the leg of the patient, the inner long side 1c and the outer long side 1d are oppositely arranged, the inner long side 1c and the outer long side 1d are correspondingly provided with a first guide needle groove 11 and a second guide needle groove 12, the second short side 1b is provided with a guide needle groove 13, the guide needle groove 13 is communicated with the second guide needle groove 12, the first guide needle groove 11, the second guide needle groove 12 and the guide needle groove 13 are located in the same plane, the communicating design of the guide needle groove 13 and the second guide groove 12 can enlarge the angle of the proximal to the bone insertion point of the bone insertion cavity, and the needle insertion angle of the patient can be very small when the needle insertion position of the leg is required to be moved down.
In the enlarged view of the rectangular metal frame 1 in the embodiment of fig. 4, it can be seen that the inner long side 1c is provided with the light hole 15 which is convenient for determining that the guide pin slot and the leg bone to be operated are on the same straight line, and the position of the light hole 15 is not limited to the inner long side 1c, but can be alternatively provided at the bottom of the inner long side 1c or the outer long side 1d, so long as the requirement that the two long sides and the leg bone to be operated are light-proof when being on the same plane is met.
Fig. 2 and 3 are schematic views of angle adjusting members, in this embodiment, the adjusting device 2 includes a fixing rod 21 fixed on the operating table, the upper end of the fixing rod 21 is connected with a connecting rod 22 through a first angle adjusting member 5, the rectangular metal frame 1 is connected with the connecting rod 22 through a second angle adjusting member 6, meanwhile, the fixing rod 21 can adjust the height of the fixing rod 21 relative to the operating table, and in this embodiment, a lifting device 4 for adjusting the upper and lower heights of the fixing rod 21 is further provided on the fixing rod 21.
The first angle adjusting piece 5 comprises a first upper joint 51 and a first lower joint 52 which are mutually hinged through a first screw 55 and provided with an upper accommodating groove 53 and a lower accommodating groove 54, and a first nut 56 which is matched with the first screw 55 is assembled at the tail end of the first screw 55; the second angle adjusting member 6 includes a second upper joint 61 and a second lower joint 62 hinged to each other by a second screw 65 and provided with an upper accommodating groove 63 and a lower accommodating groove 64, and a second nut 66 adapted to the second screw 65 is mounted at the tail end of the second screw 65.
Specifically, the first short side 1a of the rectangular metal frame 1 extends outwards to form an extension rod 14, the extension rod 14 is tightly matched in a lower accommodating groove 64 of a second lower joint 62 of the second angle adjusting member 6, one end of the connecting rod 22 is tightly matched in an upper accommodating groove 63 of a second upper joint 61 of the second angle adjusting member 6, one end of the fixing rod 21 is tightly matched in a lower accommodating groove 54 of a first lower joint 52 of the first angle adjusting member 5, and the other end of the connecting rod 22 is tightly matched in an upper accommodating groove 53 of a first upper joint 51 of the first angle adjusting member 5; therefore, the fixing rod 21 and the rectangular metal frame 1 are tightly matched at the two ends of the connecting rod 22 through the first angle adjusting piece 5 and the second angle adjusting piece 6 which are hinged at the two ends of the connecting rod 22, and the rotation adjustment of the angle is realized under the combined action of the two angle adjusting pieces.
After the patient is anesthetized, the patient is in a supine position, the patient is horizontally placed after being pulled by two lower limbs, the patient is horizontally placed on an orthopedic traction operation table, the patient is raised by the buttocks on the affected side, the patient continuously pulls the affected limbs, according to the fracture condition, the affected limbs are retracted, rotated inwards and slightly bent and stretched to form the fractured ends of hip joint, the line between tuberosities and the neck trunk angle are confirmed to be satisfactory through C-shaped arm perspective, the patient is fixed on the operation table, a C-arm X-ray machine is placed on the side, the ray direction is adjusted by taking the light holes 15 as references, the femoral shaft, the femoral neck and the femoral head are basically in a straight line on the side development, if the X-ray film is not in a straight line, the angle is required to be adjusted at the moment, and otherwise, the initial positioning is completed; at this time, the angle control device is adjusted under the monitoring of the C-arm X-ray machine until the development of the guide pin grooves in the rectangular metal frame 1 is maximally overlapped and is positioned on the central line of the development of the femoral shaft, the femoral neck and the femoral head, the first guide pin is inserted in the oblique tuberosity direction through the first guide pin groove 11 and the second guide pin groove 12 by the guide pin grooves 13 at the two sides, the tail end of the needle is as close to the trunk as possible, the first guide pin position is seen through in the normal position at this time, the guide pin is taken as a reference, if the position is just right, no further operation is needed, if the position is deviated, other guide pins are inserted inwards or outwards until the guide pin position which is finally inserted is determined to be satisfied, the guide pin which is taken as the reference is removed, and the operation is continued.
Claims (4)
1. A quick locator of needle point is advanced to thighbone intramedullary nail which characterized in that: the device comprises a rectangular metal frame (1) and an adjusting device (2) which is used for fixing the rectangular metal frame (1) on an operating table and adjusting the angle of the rectangular metal frame (1), wherein the rectangular metal frame (1) comprises a first short side (1 a) connected with the adjusting device (2), a second short side (1 b) opposite to the first short side (1 a), an inner long side (1 c) close to a leg of a patient and an outer long side (1 d) far away from the leg of the patient, the inner long side (1 c) and the outer long side (1 d) are oppositely arranged, a first guide pin groove (11) and a second guide pin groove (12) are correspondingly formed in the inner long side (1 c) and the outer long side (1 d), a guide pin groove (13) is formed in the second short side (1 b), the guide pin groove (13) is communicated with the second guide pin groove (12), and the first guide pin groove (11), the second guide pin groove (12) and the guide pin groove (13) are located in the same plane;
the adjusting device (2) comprises a fixed rod (21) fixed on the operating table, the upper end of the fixed rod (21) is connected with a connecting rod (22) through a first angle adjusting piece (5), and the rectangular metal frame (1) is connected with the connecting rod (22) through a second angle adjusting piece (6);
the bottom of the inner long side (1 c) or the outer long side (1 d) is alternatively provided with a light hole (15) which is convenient for determining that the guide needle groove and the leg bone to be operated are on the same straight line.
2. The rapid femoral intramedullary nail insertion site positioner of claim 1, wherein: the first angle adjusting piece (5) comprises a first upper joint (51) and a first lower joint (52) which are mutually hinged through a first screw (55) and provided with an upper accommodating groove (53) and a lower accommodating groove (54), and a first nut (56) which is matched with the first screw (55) is assembled at the tail end of the first screw (55);
the second angle adjusting piece (6) comprises a second upper joint (61) and a second lower joint (62) which are mutually hinged through a second screw (65) and provided with an upper accommodating groove (63) and a lower accommodating groove (64), and a second nut (66) matched with the second screw (65) is assembled at the tail end of the second screw (65).
3. The rapid femoral intramedullary nail insertion site positioner of claim 2, wherein: an extension rod (14) extends outwards from a first short side (1 a) of the rectangular metal frame (1), the extension rod (14) is tightly matched in a lower accommodating groove (64) of a second lower joint (62) of the second angle adjusting piece (6), and one end of the connecting rod (22) is tightly matched in an upper accommodating groove (63) of a second upper joint (61) of the second angle adjusting piece (6);
one end of the fixed rod (21) is tightly matched in a lower accommodating groove (54) of a first lower joint (52) of the first angle adjusting piece (5), and the other end of the connecting rod (22) is tightly matched in an upper accommodating groove (53) of a first upper joint (51) of the first angle adjusting piece (5).
4. The rapid femoral intramedullary nail insertion site positioner of claim 1, wherein: the fixing rod (21) is also provided with a lifting device (4) for adjusting the upper and lower heights of the fixing rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171537.4A CN107789050B (en) | 2017-11-22 | 2017-11-22 | Quick positioner for femoral intramedullary nail needle insertion point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171537.4A CN107789050B (en) | 2017-11-22 | 2017-11-22 | Quick positioner for femoral intramedullary nail needle insertion point |
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| Publication Number | Publication Date |
|---|---|
| CN107789050A CN107789050A (en) | 2018-03-13 |
| CN107789050B true CN107789050B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711171537.4A Active CN107789050B (en) | 2017-11-22 | 2017-11-22 | Quick positioner for femoral intramedullary nail needle insertion point |
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| CN (1) | CN107789050B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009399B (en) * | 2018-06-20 | 2020-12-11 | 陈聚伍 | Accurate positioner of hollow nail of femoral neck fracture |
| CN109157277B (en) * | 2018-08-09 | 2020-02-21 | 管志强 | Orthopedics is with fixed type kirschner wire direction of coplanar fixing device in advance |
| CN112137734B (en) * | 2020-09-25 | 2024-03-01 | 林焱斌 | Femoral intertrochanteric fracture body surface incision positioner |
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| CN2868222Y (en) * | 2005-12-31 | 2007-02-14 | 孙观荣 | Thigh-bone anticollis angle sighting device |
| CN202060860U (en) * | 2011-04-20 | 2011-12-07 | 马台 | Navigator of intramedullary nail at near end of thighbone |
| CN103040526A (en) * | 2013-01-04 | 2013-04-17 | 浙江科惠医疗器械有限公司 | Three-dimensional positioning sighting device for orthopedic surgery |
| CN103393462A (en) * | 2013-07-22 | 2013-11-20 | 陈立军 | In-vitro dynamic hip screw guider |
| CN203539428U (en) * | 2013-11-11 | 2014-04-16 | 季烈峰 | Opening positioning auxiliary system of proximal femur intramedullary nail |
| CN204708973U (en) * | 2015-05-18 | 2015-10-21 | 阮渊 | Guiding means for diculus arcus vertebrae nail |
| CN105125285A (en) * | 2015-07-02 | 2015-12-09 | 贺石生 | Movable three-dimensional rocker arc-shaped guide spinal puncture assistor and use method of movable three-dimensional rocker arc-shaped guide spinal puncture assistor |
| CN105748143A (en) * | 2016-04-29 | 2016-07-13 | 谢小波 | Femur neck guider |
| CN205964124U (en) * | 2016-05-31 | 2017-02-22 | 丁军峰 | Positioner punctures under CT guides |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6396484B2 (en) * | 2014-02-12 | 2018-09-26 | スウェマック・イノヴェーション・アーベー | Target setting device and target setting method |
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2017
- 2017-11-22 CN CN201711171537.4A patent/CN107789050B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868222Y (en) * | 2005-12-31 | 2007-02-14 | 孙观荣 | Thigh-bone anticollis angle sighting device |
| CN202060860U (en) * | 2011-04-20 | 2011-12-07 | 马台 | Navigator of intramedullary nail at near end of thighbone |
| CN103040526A (en) * | 2013-01-04 | 2013-04-17 | 浙江科惠医疗器械有限公司 | Three-dimensional positioning sighting device for orthopedic surgery |
| CN103393462A (en) * | 2013-07-22 | 2013-11-20 | 陈立军 | In-vitro dynamic hip screw guider |
| CN203539428U (en) * | 2013-11-11 | 2014-04-16 | 季烈峰 | Opening positioning auxiliary system of proximal femur intramedullary nail |
| CN204708973U (en) * | 2015-05-18 | 2015-10-21 | 阮渊 | Guiding means for diculus arcus vertebrae nail |
| CN105125285A (en) * | 2015-07-02 | 2015-12-09 | 贺石生 | Movable three-dimensional rocker arc-shaped guide spinal puncture assistor and use method of movable three-dimensional rocker arc-shaped guide spinal puncture assistor |
| CN105748143A (en) * | 2016-04-29 | 2016-07-13 | 谢小波 | Femur neck guider |
| CN205964124U (en) * | 2016-05-31 | 2017-02-22 | 丁军峰 | Positioner punctures under CT guides |
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| Publication number | Publication date |
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| CN107789050A (en) | 2018-03-13 |
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