CN216908096U - Guide pin positioning and guiding device in orthopedic surgery - Google Patents
Guide pin positioning and guiding device in orthopedic surgery Download PDFInfo
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- CN216908096U CN216908096U CN202121668260.8U CN202121668260U CN216908096U CN 216908096 U CN216908096 U CN 216908096U CN 202121668260 U CN202121668260 U CN 202121668260U CN 216908096 U CN216908096 U CN 216908096U
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Abstract
The utility model discloses a guide pin positioning and guiding device in orthopedics, which is characterized by comprising: the device comprises a first support, a second support, a guide rod, a guide pin, a guide sleeve, a guide pin sleeve, a first locking knob, a second locking knob, a third locking knob and a fourth locking knob; the second support is detachably sleeved on the first support, the guide rod is detachably sleeved on the first support, the guide pin is detachably sleeved on the second support, the guide sleeve is detachably connected to the bottom of the guide rod, the first locking knob and the second locking knob are detachably connected to the first support, the third locking knob is detachably connected to the second support, the fourth locking knob is detachably connected to the guide pin sleeve, and the guide pin sleeve is detachably sleeved in the guide sleeve; the device provides a reference for the doctor, and the doctor can conveniently identify whether the driving-in path of the guide pin is correct, so that the accuracy is higher compared with the traditional experience identification.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a guide pin positioning and guiding device in an orthopedic operation.
Background
In the process of the orthopedic surgery, a surgeon is often required to drive a temporary fixing kirschner wire, a traction needle or a screw into the operation along a certain path. Physicians often use the guide pin as a positioning guide to cooperate with the fixation of the cannulated screw or the kirschner wire. At present, the guide pin is placed in a manner that the angle and the depth of the guide pin are determined under the perspective guidance of a C-arm X-ray machine, and then the guide pin is placed by a doctor with bare hands, the whole process greatly depends on the clinical experience of the doctor, the defects of strong subjectivity, large error, long time consumption and multiple times of puncture exist, the iatrogenic injury of local sclerotin and soft tissue of a patient is increased, and meanwhile, the C-arm X-ray machine is used for perspective for multiple times, so that excessive radiation is exposed, the physical health of doctors and patients is seriously influenced, the fatigue of the doctor is increased, and the smooth operation of the operation is restricted.
How to quickly and accurately insert the screw or the kirschner wire in clinic will obviously affect the process of the operation and the recovery after the operation. Therefore, when knowing the needle inserting point and the position to be reached of the screw or the Kirschner wire, a guide system can be designed, the device for accurately determining the inserting direction and the angle of the guide needle can be arranged outside the patient body or in the operation, the guide needle can be accurately inserted at one time by a guide positioner without depending on experienced operation doctors, the inserting quality of the guide needle is improved, the operation time is shortened, the iatrogenic side injury is reduced, and the fluoroscopy can be performed by using a C-arm X-ray machine or even without using the C-arm X-ray machine. Under the guide of the accurate guide pin, a surgeon can insert a hollow screw according to the guide pin or directly fix or draw by using the guide pin.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model designs a guide pin positioning and guiding device in the orthopedic surgery, the device provides an external reference device for the positioning and guiding of the guide pin in the orthopedic surgery, the whole device is in an n-shaped design and is clamped outside the part to be punctured of a human body, a straight line is determined through two end points, the straight line is a path of a bone into which the guide pin is driven, the angle and the path of the guide pin can be clearly and clearly distinguished through the device, a reference is provided for a main surgeon before the guide pin is actually driven, and the main surgeon can conveniently distinguish whether the driving path of the guide pin is correct or not, compared with the traditional experience distinguishing, the accuracy is higher, the improvement of the surgery quality is facilitated, and the surgery success rate is higher; secondly, the device adds the form of scale with the guide arm, adds in the special structure of the device, can judge in the patient's external, the depth that the guide pin is hit into, this depth is the distance that the guide pin descends or draws close to inwards on the human surface of patient, with above-mentioned can provide an accuracy reference for hitting into of guide pin more accurately generally, help the guide pin to hit into the point location to confirm, improve the success rate that the guide pin is hit into, help to operate efficiency, operation quality to promote; finally, the device provides a convenient and effective reference for the driving of the guide pin, and reduces the work burden of a doctor in the operation.
In order to achieve the technical effects, the utility model is realized by the following technical scheme: the utility model provides a guide pin location guider in orthopedics art which characterized in that includes: the device comprises a first support, a second support, a guide rod, a guide pin, a guide sleeve, a guide pin sleeve, a first locking knob, a second locking knob, a third locking knob and a fourth locking knob;
the second support is detachably sleeved on the first support, the guide rod is detachably sleeved on the first support, the guide pin is detachably sleeved on the second support, the guide sleeve is detachably connected to the bottom of the guide rod, the first locking knob and the second locking knob are detachably connected to the first support, the third locking knob is detachably connected to the second support, the fourth locking knob is detachably connected to the guide pin sleeve, and the guide pin sleeve is detachably sleeved in the guide sleeve;
furthermore, the first support is divided into a first sleeve and a rectangular connecting sleeve, the rectangular connecting sleeve is fixedly connected to the outer side of the first sleeve at a vertical angle, a first holding handle and a first connecting head are fixedly connected to the outer side of the first sleeve, the first connecting head and the first sleeve are integrally designed, a first threaded hole is formed in the first connecting head and penetrates through the inner cavity of the first sleeve, a first locking knob is detachably connected into the first threaded hole of the first connecting head, and a guide rod is detachably sleeved in a first guide cylinder;
furthermore, a second connector is fixedly arranged on the outer side of the rectangular connecting sleeve, the second connector and the rectangular connecting sleeve are designed integrally, a second threaded hole is formed in the second connector, the second threaded hole penetrates through the inner cavity of the rectangular connecting sleeve, a second support is detachably sleeved in the rectangular connecting sleeve, and a second locking knob is detachably connected in the second threaded hole;
furthermore, the second support is divided into a second sleeve and a rectangular connecting rod, the rectangular connecting rod is fixedly connected to the outer side of the second sleeve, a second holding handle and a third connector are further fixedly connected to the outer side of the second sleeve, the third connector and the second sleeve are integrally designed, and a third threaded hole is formed in the third connector and penetrates through the inner cavity of the second sleeve; the third locking knob is detachably connected in the third threaded hole, and the guide pin is detachably sleeved in the second sleeve;
furthermore, a connecting lug is fixedly arranged at the bottom of the guide rod, and a first scale is arranged on the outer surface of the guide rod; the guide sleeve is detachably connected to the connecting lug of the guide rod;
furthermore, the outer surface of the guide pin is provided with a second scale;
furthermore, a connecting lug is fixedly arranged on the outer side of the guide sleeve, a fourth threaded hole is formed in one side of the connecting lug, a first magnet layer is arranged on the inner side of the end of the guide sleeve, a fourth locking knob is detachably connected to the second connecting lug and matched with the connecting lug piece, and the fourth locking knob simultaneously penetrates through the connecting lug and the connecting lug piece and is detachably connected with the guide sleeve and the guide rod;
further, a second magnet layer is arranged on the outer side of the end head of the guide pin sleeve, the guide pin sleeve is provided with a plurality of sizes, the guide pin sleeves of the plurality of sizes are the same in outer diameter and different in inner diameter;
the utility model has the beneficial effects that:
1. the device provides an external reference device for the location direction of guide pin among the bone surgery, whole device is "n" type design, the card is held in the human body and is waited to puncture the position in vitro, confirm a straight line through both ends, this straight line is the sclerotin route that the guide pin was squeezed into promptly, can clearly and clearly discern the angle that the guide pin was squeezed into through the device, the route, provide a reference for the main knife doctor before actually squeezing into, make things convenient for the main knife doctor to discern whether the route of squeezing into of guide pin is correct, compare in traditional experience and distinguish, so the degree of accuracy is higher, be favorable to the promotion of operation quality, the operation success rate is higher;
2. the device adds the form of scale with the guide arm, adds the special structure of the device in addition, can judge in the patient's external, the depth that the guide pin is hit into, this depth is the guide pin and descends or inwards draws close the distance on the human surface of patient, with above-mentioned can provide an accuracy reference for hitting into of guide pin more accurately generally, help the guide pin to hit into the confirmation of the point location, has improved the success rate that the guide pin is hit into, help to operate efficiency, operation quality to promote; finally, the use of the device provides a convenient and effective reference determination for the driving of the guide pin, and reduces the work burden of a doctor in operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a guide pin positioning and guiding device in orthopedics;
FIG. 2 is a schematic view of a first bracket and its attached structure of a guide pin positioning and guiding device in orthopedics;
FIG. 3 is a schematic diagram of a second frame of the guide pin positioning and guiding device in orthopedics and its attached structure;
FIG. 4 is a schematic view of a guide rod and its auxiliary structure of a guide pin positioning and guiding device in orthopedics;
fig. 5 is a schematic view of a guide sleeve and a fourth locking knob of a guide pin positioning and guiding device in orthopedics;
FIG. 6 is a sectional view of the A-A surface of a guide sleeve of the guide pin positioning and guiding device in orthopedics;
FIG. 7 is a schematic diagram of an embodiment of guiding pin positioning guide device for orthopedics surgery at the femoral neck;
FIG. 8 is a schematic view of an embodiment of bone traction external guide pin fixation traction of guide pin positioning guide device in orthopedics;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a first bracket, 101-a first sleeve, 102-a first connector, 103-a first handle, 104-a first threaded hole, 105-a rectangular connecting sleeve, 106-a second connector, 107-a second threaded hole, 2-a second bracket, 201-a second sleeve, 202-a third connector, 203-a second handle, 204-a third threaded hole, 205-a rectangular connecting rod, 3-a guide rod, 301-a first scale, 302-a connecting lug, a 4-a guide pin, 401-a second scale, 5-a guide sleeve, 501-a connecting lug, 502-a fourth threaded hole, 503-a first magnet layer, a 6-a guide pin sleeve, 601-a second magnet layer, 7-a first locking knob, 8-a second locking knob, 9-third locking knob, 10-fourth locking knob, 11-knee joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 6, a guide pin positioning and guiding device for orthopedics surgery is characterized by comprising: the device comprises a first bracket 1, a second bracket 2, a guide rod 3, a guide pin 4, a guide sleeve 5, a guide pin sleeve 6, a first locking knob 7, a second locking knob 8, a third locking knob 9 and a fourth locking knob 10;
the second support 2 is detachably sleeved on the first support 1, the guide rod 3 is detachably sleeved on the first support 1, the guide pin 4 is detachably sleeved on the second support 2, the guide sleeve 5 is detachably connected to the bottom of the guide rod 3, the first locking knob 7 and the second locking knob 8 are detachably connected on the first support 1, the third locking knob 9 is detachably connected on the second support 2, the fourth locking knob 10 is detachably connected on the guide pin sleeve 6, and the guide pin sleeve 6 is detachably sleeved in the guide sleeve 5; the device provides an external reference device for positioning and guiding the guide pin in the orthopedic surgery, the whole device is in an n-shaped design, the device is clamped outside the part to be punctured of a human body, a straight line is determined through two end points, the straight line is a path of a bone substance to be punched by the guide pin, the angle and the path of punching the guide pin can be clearly and clearly distinguished through the device, a reference is provided for a main knife doctor before actual punching, the main knife doctor can conveniently distinguish whether the punching path of the guide pin is correct or not, compared with the traditional experience distinguishing, the accuracy is higher, the improvement of the surgery quality is facilitated, and the surgery success rate is higher;
the first support 1 is divided into a first sleeve 101 and a rectangular connecting sleeve 105, the rectangular connecting sleeve 105 is fixedly connected to the outer side of the first sleeve 101 at a vertical angle, a first holding handle 103 and a first connecting head 102 are further fixedly connected to the outer side of the first sleeve 101, the first holding handle 103 is designed to facilitate a holding device for medical workers, the first connecting head 102 and the first sleeve 101 are integrally designed, a first threaded hole 104 is formed in the first connecting head 102 and penetrates through the inner cavity of the first sleeve 101, a first locking knob 7 is detachably connected in the first threaded hole 104 of the first connecting head 102, and a guide rod 3 is detachably sleeved in the first sleeve 101; the first locking knob 7 is screwed into the first threaded hole 104 until the inner cavity of the first sleeve 101 abuts against the guide rod 3, so that the guide rod 3 is positioned;
a second connector 106 is fixedly arranged on the outer side of the rectangular connecting sleeve 105, the second connector 106 and the rectangular connecting sleeve 105 are designed integrally, a second threaded hole 107 is formed in the second connector 106, the second threaded hole 107 penetrates through the inner cavity of the rectangular connecting sleeve 105, the second support 2 is detachably sleeved in the rectangular connecting sleeve 105, and the second locking knob 8 is detachably connected in the second threaded hole 107; screwing the second locking knob 8 into the second threaded hole 107 until the inner cavity of the rectangular connecting sleeve 105 abuts against the second support 2 to limit the second support 2;
the second support 2 is divided into a second sleeve 201 and a rectangular connecting rod 205, the rectangular connecting rod 205 is fixedly connected to the outer side of the second sleeve 201, the outer side of the second sleeve 201 is also fixedly connected with a second holding handle 203 and a third connector 203, the third connector 203 and the second sleeve 201 are integrally designed, and the third connector 203 is provided with a third threaded hole 204 which penetrates through the inner cavity of the second sleeve 201; the third locking knob 9 is detachably connected in the third threaded hole 204, and the guide pin 4 is detachably sleeved in the second sleeve 201; the locking principle of the third locking knob 9 is equal to that of the first locking knob 7;
a connecting lug 302 is fixedly arranged at the bottom of the guide rod 3, and a first scale 301 is arranged on the outer surface of the guide rod 3; the guide sleeve 5 is detachably connected to the connecting lug 302 of the guide rod 3;
the outer surface of the guide pin 4 is provided with a second scale 401, and the second scale 401 is convenient for distinguishing the extension length of the second sleeve 201;
a connecting lug 501 is fixedly arranged on the outer side of the guide sleeve 5, a fourth threaded hole 502 is formed in one side of the connecting lug 501, a first magnet layer 503 is arranged on the inner side of the end of the guide sleeve 5, a fourth locking knob 10 is detachably connected to the second connecting lug 501, the connecting lug 501 is matched with the connecting lug piece 302, the fourth locking knob 10 simultaneously penetrates through the connecting lug 501 and the connecting lug piece 302, the guide sleeve 5 and the guide rod 3 are detachably connected, the fourth locking knob 10 is screwed, the connecting lug piece 302 is clamped by the connecting lug 501, and the relative position of the guide sleeve 5 and the guide rod 3 is limited;
a second magnet layer 601 is arranged on the outer side of the end of the guide pin sleeve 6, the guide pin sleeve 6 is provided with a plurality of sizes, the guide pin sleeves 6 with the plurality of sizes have the same outer diameter and different inner diameters; the guide pins with different inner diameters correspond to the guide pins with different scales, the guide pin sleeve 6 is sleeved into the guide sleeve 5, and the first magnet layer 503 and the second magnet layer 601 are mutually adsorbed, so that the sleeve connection of the guide pin sleeve 6 is facilitated;
the using method of the device comprises the following steps:
1. the distance between the first support and the second support is adjusted by clamping the measured human body part.
2. The second locking knob is firstly unscrewed, the second bracket is pulled out or inserted into the first bracket, and the second locking knob is screwed after the distance between the second bracket and the first bracket is properly adjusted.
3. And loosening the first locking knob to adjust the relative position of the guide rod on the first support.
4. The lower edge of the first sleeve through the first support is overlapped on the first scale, the scale value is read, and the initial point position where the guide pin is driven is determined through the scale value.
5. And loosening the fourth locking knob to adjust the angle of the guide sleeve relative to the guide rod.
6. After the guiding angle of the guide needle is confirmed, the fourth locking knob is screwed to fix the angle of the guide sleeve.
7. According to the specification of the guide pin to be used, a guide pin sleeve corresponding to the guide pin is selected.
8. The selected guide pin sleeve is sleeved in the inner cavity of the guide sleeve.
9. The guide needle penetrates into the guide needle sleeve to be driven into the human body.
In conclusion, 1, the device provides an external reference device for positioning and guiding the guide pin in the orthopedic surgery, the whole device is in an n-shaped design, the device is clamped outside the part to be punctured of a human body, a straight line is determined through two end points, the straight line is a path of a bone substance driven by the guide pin, the angle and the path driven by the guide pin can be clearly and clearly distinguished through the device, a reference is provided for a main surgeon before actual driving, the main surgeon can conveniently distinguish whether the driving path of the guide pin is correct or not, compared with the traditional experience distinguishing, the accuracy is higher, the improvement of the surgery quality is facilitated, and the surgery success rate is higher;
2. the device adds the form of scale with the guide arm, adds the special structure of the device in addition, can judge in the patient's external, the depth that the guide pin is hit into, this depth is the guide pin and descends or inwards draws close the distance on the human surface of patient, with above-mentioned can provide an accuracy reference for hitting into of guide pin more accurately generally, help the guide pin to hit into the confirmation of the point location, has improved the success rate that the guide pin is hit into, help to operate efficiency, operation quality to promote; finally, the use of the device provides a convenient and effective reference determination for the driving of the guide pin, and reduces the work burden of a doctor in operation.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a guide pin location guider in orthopedics art which characterized in that includes: the device comprises a first support, a second support, a guide rod, a guide pin, a guide sleeve, a guide pin sleeve, a first locking knob, a second locking knob, a third locking knob and a fourth locking knob;
the second support detachable cup joints on first support, guide arm detachable cup joints on first support, guide pin detachable cup joints on the second support, the connection can be dismantled in the guide arm bottom to the guide sleeve, first locking knob, second locking knob detachable connect on first support, and the detachable connection of third locking knob is on the second support, and fourth locking knob detachable connects on the guide pin sleeve, guide pin sleeve detachable cup joints in the guide sleeve.
2. The guiding device for positioning a guide pin in orthopedics department according to claim 1, wherein the first bracket is divided into a first sleeve and a rectangular connecting sleeve, the rectangular connecting sleeve is fixedly connected to the outer side of the first sleeve at a vertical angle, the outer side of the first sleeve is further fixedly connected with a first holding handle and a first connecting head, the first connecting head and the first sleeve are integrally designed, a first threaded hole is formed in the first connecting head and penetrates through the inner cavity of the first sleeve, the first locking knob is detachably connected in the first threaded hole of the first connecting head, and the guide rod is detachably sleeved in the first guiding cylinder.
3. The device of claim 2, wherein a second connector is fixedly disposed outside the rectangular connecting sleeve, the second connector and the rectangular connecting sleeve are integrally designed, the second connector is provided with a second threaded hole, the second threaded hole penetrates through an inner cavity of the rectangular connecting sleeve, the second bracket is detachably sleeved in the rectangular connecting sleeve, and the second locking knob is detachably connected in the second threaded hole.
4. The guide pin positioning and guiding device for orthopedics department according to claim 3, wherein the second support is divided into a second sleeve and a rectangular connecting rod, the rectangular connecting rod is fixedly connected to the outer side of the second sleeve, the outer side of the second sleeve is further fixedly connected with a second holding handle and a third connector, the third connector and the second sleeve are integrally designed, and a third threaded hole is formed in the third connector and penetrates through the inner cavity of the second sleeve; the third locking knob is detachably connected in the third threaded hole, and the guide pin is detachably sleeved in the second sleeve.
5. The guiding device for positioning a guide pin in orthopedics as claimed in claim 1, wherein a connecting lug is fixedly arranged at the bottom of the guide rod, and a first scale is arranged on the outer surface of the guide rod; the guide sleeve is detachably connected on the connecting lug of the guide rod.
6. The device as claimed in claim 1, wherein the guide pin has a second scale on its outer surface.
7. The guiding device for positioning the guide pin in orthopedics department according to claim 1, wherein the guiding sleeve is fixedly provided with a connecting lug at the outer side, wherein a fourth threaded hole is formed at one side of the connecting lug, a first magnet layer is arranged at the inner side of the end of the guiding sleeve, a fourth locking knob is detachably connected to the second connecting lug and matched with the connecting lug, and the fourth locking knob simultaneously penetrates through the connecting lug and detachably connects the guiding sleeve and the guide rod.
8. The guiding device for positioning a guide pin in orthopedics department according to claim 1, wherein a second magnet layer is arranged on the outer side of the end head of the guide pin sleeve, the guide pin sleeve is provided with a plurality of sizes, and the guide pin sleeves of the plurality of sizes have the same outer diameter and different inner diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121668260.8U CN216908096U (en) | 2021-07-22 | 2021-07-22 | Guide pin positioning and guiding device in orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121668260.8U CN216908096U (en) | 2021-07-22 | 2021-07-22 | Guide pin positioning and guiding device in orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216908096U true CN216908096U (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121668260.8U Active CN216908096U (en) | 2021-07-22 | 2021-07-22 | Guide pin positioning and guiding device in orthopedic surgery |
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| CN (1) | CN216908096U (en) |
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2021
- 2021-07-22 CN CN202121668260.8U patent/CN216908096U/en active Active
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