CN209863987U - Positioning instrument for intervertebral foramen mirror operation - Google Patents
Positioning instrument for intervertebral foramen mirror operation Download PDFInfo
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- CN209863987U CN209863987U CN201920430324.7U CN201920430324U CN209863987U CN 209863987 U CN209863987 U CN 209863987U CN 201920430324 U CN201920430324 U CN 201920430324U CN 209863987 U CN209863987 U CN 209863987U
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Abstract
A positioning instrument for an intervertebral foramen mirror operation comprises a handheld structure and a positioning structure, and is characterized in that the positioning structure is provided with a plurality of positioning holes, and different spacing distances are arranged between any two positioning holes; the handheld structure is integrally connected with the positioning structure; the Kirschner wire can be fixed to the accurate position of the human body by penetrating through the positioning hole. Compared with the intervertebral foramen mirror operation positioning instrument in the prior art, the technical scheme of the utility model does not need repeated puncture, only needs to take the first Kirschner wire inserted into the intervertebral foramen as a reference, carries out puncture positioning by selecting a positioning hole with proper spacing distance on the positioning structure, inserts the second Kirschner wire, and then takes out the first Kirschner wire, thereby reducing the damage of rays to patients and medical care personnel; in addition, the locating hole is provided with different spacing distances, can satisfy clinical multiple fixed demand.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to is a positioning instrument for intervertebral foramen mirror operation.
Background
The lumbar intervertebral disc protrusion is one of the more common diseases, mainly because each part of the lumbar intervertebral disc (nucleus pulposus, annulus fibrosus and cartilage plates), especially the nucleus pulposus, has degenerative changes of different degrees, under the action of external force factors, the annulus fibrosus of the intervertebral disc is ruptured, and nucleus pulposus tissues protrude (or are separated) from the ruptured part to the back or the vertebral canal, so that adjacent spinal nerve roots are stimulated or pressed, and a series of clinical symptoms such as lumbar pain, numbness and pain of one lower limb or two lower limbs are generated.
The intervertebral foramen mirror operation is the advanced spinal minimally invasive operation in the world at present, represents a brand-new spinal minimally invasive operation idea, and is a breakthrough progress for treating the prolapse of intervertebral disc. The intervertebral foramen endoscope technology is a technology which puts a working channel into an intervertebral disc or a vertebral canal through an intervertebral foramen safe triangle, removes a protruded or prolapsed nucleus pulposus tissue under the direct vision of an endoscope, and can even remove a hyperplastic ligamentum flavum, sclerotin and the like through tools such as an endoscopic trephine, an endoscopic power system and the like, so as to relieve the oppression of nerve roots and/or a dura mater sac and relieve the root symptoms. The intervertebral foramen mirror technology can achieve accurate targeted therapy, only excise pathogenic protruded nucleus pulposus and hyperplastic tissues without damaging normal tissues, can keep the integrity of the fibrous ring and the stability of the spine to the maximum extent, and has the minimum trauma to patients and the best effect in similar operations.
However, the intervertebral foramen endoscopic surgery needs to be positioned in advance clinically at present, the common method is blind puncture, and the operation needs repeated puncture, which wastes time and labor; or puncture is carried out under radioscopy, but because the size of adjustment is not accurate, repeated radioscopy is also needed to determine the position for puncture, the radiation of a large amount of rays has potential harm to doctors and patients, the efficiency is low, and the operation time is prolonged.
The utility model aims at the problems that the prior art needs to perform intervertebral foramen mirror operation in advance, the common method is blind puncture, the operation needs repeated puncture, and the operation is time-consuming and labor-consuming; or puncture is carried out under radioscopy, but also needs repeated radioscopy to determine the position for puncture, doctors and patients can be irradiated by a large amount of rays, potential harm is caused to the doctors and the patients, the efficiency is low, the operation time is prolonged, and the positioning instrument for the intervertebral foramen mirror operation is provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems that the prior intervertebral foramen endoscope operation needs to be positioned in advance, the common method is blind puncture, and the operation needs repeated puncture, which wastes time and labor; or puncture under the ray perspective, but because the size of adjustment is not accurate, also need to see through repeatedly and confirm the position and puncture, doctor and patient can receive the radiation of a large amount of rays, produce potential harm to doctor and patient, and inefficiency, extension operation time's problem moreover, the utility model provides a positioning apparatus for intervertebral foramen mirror operation.
A positioning instrument for an intervertebral foramen mirror operation comprises a handheld structure and a positioning structure, and is characterized in that the positioning structure is provided with a plurality of positioning holes, and different spacing distances are arranged between any two positioning holes; the handheld structure is integrally connected with the positioning structure; the Kirschner wire can be fixed to the accurate position of the human body by penetrating through the positioning hole.
Further, the positioning structure is arranged to be cylindrical, and the positioning hole is arranged to be a circular hole; the arrangement conforms to the shape of the Kirschner wire and is convenient to operate.
Further, the diameter of the positioning structure is set to be 5-15mm, and the length of the positioning structure is set to be 10-20 cm; this arrangement is consistent with the use of various sizes of k-wires.
Further, the diameter of the positioning structure is preferably set to be 9mm, and the length of the positioning structure is preferably set to be 15 cm; this arrangement is sufficient to meet clinical routine requirements.
Further, the diameter of the positioning hole is set to be 0.5-5 mm; this arrangement can be adapted to various sizes of k-wires.
Further, the diameter of the positioning hole is preferably set to be 2 mm; this arrangement meets the specifications of the clinical common k-wire.
Furthermore, the spacing distance between any two positioning holes is set to be 0.5-6mm, and the requirements of different distance fixing are met.
Further, the spacing distance between any two positioning holes is preferably set to be 1mm, 2mm and 3 mm; when the X-ray positioning device is used, a first Kirschner wire is placed into an intervertebral hole of a human body under the assistance of rays, when the position is inaccurate and needs to be adjusted, the first Kirschner wire is used as a reference, a positioning hole with a proper spacing distance is selected to be placed into a second Kirschner wire, and then the first Kirschner wire is taken out, the positioning holes with various spacing distances can be combined and used at will, and the requirements of the spacing distances of 1mm, 2mm, 3mm and 4mm can be met.
Further, 2-8 positioning holes are arranged; meet the operation requirements of different patients.
Furthermore, preferably, 5 positioning holes are arranged, wherein 3 positioning holes are arranged on the same straight line, two sides of the straight line are respectively provided with one positioning hole, and the distance between one side of each positioning hole and the lowest positioning hole is 2 mm; the distance between the other side of the positioning hole and the bottommost positioning hole is 3 mm.
Furthermore, distance marks are arranged between any two positioning holes, and the arrangement can clearly select proper positioning holes according to needs.
Furthermore, the handheld structure is a flat handle, one end of the handheld structure is integrally connected with the tail end of the positioning structure, and the tail end of the positioning structure is close to one end of a doctor; when the positioning structure is used, the position of the positioning structure is stabilized by holding the handheld structure by hands, and the position of the positioning hole can be adjusted by rotating the handheld structure when needed.
Furthermore, the tail end of the handheld structure is provided with a plurality of shallow grooves, so that the friction force between the hand of an operator and the handheld structure can be increased, and the stability of the positioning structure is kept.
Furthermore, a buffer tube is arranged at the head end of the positioning structure, namely the end close to the patient, the buffer tube is arranged at the periphery of the positioning hole, and the outer diameter of the buffer tube is smaller than the diameter of the positioning structure; the buffer tube is positioned to avoid damaging the soft tissue of the patient during positioning.
Further, the buffer tube is shaped as a cone, and the diameter of the end of the buffer tube close to the patient is smaller than that of the end connected with the positioning structure; this arrangement ensures that the positioning structure slides smoothly into the soft tissue of the patient and does not scratch the soft tissue.
Further, the length of the buffer tube is set to 0.5-1.0 cm.
Furthermore, location structure and handheld structure adopt the metal material preparation, and the metal material is firm to be difficult to damage, and life is longer.
When the X-ray.
Compared with the intervertebral foramen mirror operation positioning instrument in the prior art, the technical scheme of the utility model does not need repeated puncture, only needs to take the first Kirschner wire inserted into the intervertebral foramen as a reference, carries out puncture positioning by selecting a positioning hole with proper spacing distance on the positioning structure, inserts the second Kirschner wire, and then takes out the first Kirschner wire, thereby reducing the damage of rays to patients and medical care personnel; in addition, the positioning holes are provided with different spacing distances, so that various clinical fixing requirements can be met; at present, after the puncture positioning is successful clinically, the kirschner wire is slender and easy to shake, and the positioning structure of the technical scheme can also fix the kirschner wire, so that the operation risk is reduced; the positioning instrument for the transforaminal endoscopic surgery in the technical scheme has the advantages of ingenious structure arrangement, simple manufacturing process and low cost, and is worthy of wide clinical popularization and application.
Drawings
Fig. 1 is a schematic overall structure diagram of a positioning instrument for an intervertebral foramen mirror operation according to the present invention;
FIG. 2 is a schematic cross-sectional view of a positioning instrument for an endoscopic discectomy according to the present invention;
FIG. 3 is a schematic structural view of a positioning hole and a hand-held structure of a positioning instrument for an endoscopic discectomy of the present invention;
FIG. 4 is an enlarged schematic view of the positioning hole and distance marks of the positioning instrument for endoscopic discectomy of the present invention;
FIG. 5 is an enlarged schematic view of a buffer tube of a positioning instrument for transforaminal endoscopic surgery according to the present invention;
in the figure, 1, a positioning structure; 11. positioning holes; 12. marking the distance; 13. a buffer tube; 2. a handheld structure; 21. shallow recess.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the disclosure in the specification. The utility model discloses can also implement or use through other different concrete implementation manners, under the condition of conflict-free, the characteristics in following embodiment and the embodiment can make up each other, based on the embodiment in the utility model, all other embodiments that the ordinary skilled in the art obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.
EXAMPLE 1A positioning Instrument for transforaminal endoscopic surgery
A positioning instrument for an intervertebral foramen mirror operation comprises a handheld structure 2 and a positioning structure 1, and is characterized in that the positioning structure 1 is provided with a plurality of positioning holes 11, and different spacing distances are arranged between any two positioning holes 11; the handheld structure 2 is integrally connected with the positioning structure 1; the kirschner wire can be fixed to the accurate position of the human body through the positioning hole 11 by passing through the positioning hole 11.
The positioning structure 1 is cylindrical, and the positioning hole 11 is a circular hole; the arrangement conforms to the shape of the Kirschner wire and is convenient to operate.
The diameter of the positioning structure 1 is set to be 9mm, and the length of the positioning structure 1 is preferably set to be 15 cm; this arrangement is sufficient to meet clinical routine requirements.
The diameter of the positioning hole 11 is set to be 2 mm; this arrangement meets the specifications of the clinical common k-wire.
The spacing distance between any two positioning holes 11 is set to be 1mm, 2mm and 3 mm; when the X-ray positioning device is used, a first Kirschner wire is placed into an intervertebral hole of a human body under the assistance of rays, when the position is inaccurate and needs to be adjusted, the first Kirschner wire is used as a reference, a positioning hole 11 with a proper spacing distance is selected to be placed into a second Kirschner wire, and then the first Kirschner wire is taken out, the positioning holes 11 with various spacing distances can be combined and used at will, and the requirements of the spacing distances of 1mm, 2mm, 3mm and 4mm can be met.
Arranging 5 positioning holes 11, wherein 3 positioning holes are arranged on the same straight line, two sides of the straight line are respectively provided with one positioning hole 11, and the distance between one side of each positioning hole and the lowermost positioning hole 11 is 2 mm; the other side is 3mm away from the lowermost positioning hole 11.
The handheld structure 2 is a flat handle, one end of the handheld structure 2 is integrally connected with the tail end of the positioning structure 1, and the tail end of the positioning structure 1 is close to one end of a doctor; when the positioning structure is used, the position of the positioning structure 1 is stabilized by holding the handheld structure 2 by hands, and the position of the positioning hole 11 can be adjusted by rotating the handheld structure 2 as required.
EXAMPLE 2A positioning Instrument for transforaminal endoscopic surgery
A positioning instrument for an intervertebral foramen mirror operation comprises a handheld structure 2 and a positioning structure 1, and is characterized in that the positioning structure 1 is provided with a plurality of positioning holes 11, and different spacing distances are arranged between any two positioning holes 11; the handheld structure 2 is integrally connected with the positioning structure 1; the kirschner wire can be fixed to the accurate position of the human body through the positioning hole 11 by passing through the positioning hole 11.
The positioning structure 1 is cylindrical, and the positioning hole 11 is a circular hole; the arrangement conforms to the shape of the Kirschner wire and is convenient to operate.
The diameter of the positioning structure 1 is set to be 9mm, and the length of the positioning structure 1 is preferably set to be 15 cm; this arrangement is sufficient to meet clinical routine requirements.
The diameter of the positioning hole 11 is set to be 2 mm; this arrangement meets the specifications of the clinical common k-wire.
The spacing distance between any two positioning holes 11 is set to be 1mm, 2mm and 3 mm; when the X-ray positioning device is used, a first Kirschner wire is placed into an intervertebral hole of a human body under the assistance of rays, when the position is inaccurate and needs to be adjusted, the first Kirschner wire is used as a reference, a positioning hole 11 with a proper spacing distance is selected to be placed into a second Kirschner wire, and then the first Kirschner wire is taken out, the positioning holes 11 with various spacing distances can be combined and used at will, and the requirements of the spacing distances of 1mm, 2mm, 3mm and 4mm can be met.
Arranging 5 positioning holes 11, wherein 3 positioning holes are arranged on the same straight line, two sides of the straight line are respectively provided with one positioning hole 11, and the distance between one side of each positioning hole and the lowermost positioning hole 11 is 2 mm; the other side is 3mm away from the lowermost positioning hole 11.
Distance marks 12 are arranged between any two positioning holes 11, and the arrangement can make the selection of the appropriate positioning holes 11 more clear according to needs.
The handheld structure 2 is a flat handle, one end of the handheld structure 2 is integrally connected with the tail end of the positioning structure 1, and the tail end of the positioning structure 1 is close to one end of a doctor; when the positioning structure is used, the position of the positioning structure 1 is stabilized by holding the handheld structure 2 by hands, and the position of the positioning hole 11 can be adjusted by rotating the handheld structure 2 as required.
The shallow grooves 21 are formed in the tail end of the handheld structure 2, so that friction between the hand of an operator and the handheld structure 2 can be increased, and stability of the positioning structure 1 is maintained.
EXAMPLE 3A positioning Instrument for transforaminal endoscopic surgery
A positioning instrument for an intervertebral foramen mirror operation comprises a handheld structure 2 and a positioning structure 1, and is characterized in that the positioning structure 1 is provided with a plurality of positioning holes 11, and different spacing distances are arranged between any two positioning holes 11; the handheld structure 2 is integrally connected with the positioning structure 1; the kirschner wire can be fixed to the accurate position of the human body through the positioning hole 11 by passing through the positioning hole 11.
The positioning structure 1 is cylindrical, and the positioning hole 11 is a circular hole; the arrangement conforms to the shape of the Kirschner wire and is convenient to operate.
The diameter of the positioning structure 1 is set to be 9mm, and the length of the positioning structure 1 is set to be 15 cm; this arrangement is sufficient to meet clinical routine requirements.
The diameter of the positioning hole 11 is set to be 2 mm; this arrangement meets the specifications of the clinical common k-wire.
The spacing distance between any two positioning holes 11 is set to be 1mm, 2mm and 3 mm; when the X-ray positioning device is used, a first Kirschner wire is placed into an intervertebral hole of a human body under the assistance of rays, when the position is inaccurate and needs to be adjusted, the first Kirschner wire is used as a reference, a positioning hole 11 with a proper spacing distance is selected to be placed into a second Kirschner wire, and then the first Kirschner wire is taken out, the positioning holes 11 with various spacing distances can be combined and used at will, and the requirements of the spacing distances of 1mm, 2mm, 3mm and 4mm can be met. Arranging 5 positioning holes 11, wherein 3 positioning holes are arranged on the same straight line, two sides of the straight line are respectively provided with one positioning hole 11, and the distance between one side of each positioning hole and the lowermost positioning hole 11 is 2 mm; the other side is 3mm away from the lowermost positioning hole 11.
Distance marks 12 are arranged between any two positioning holes 11, and the arrangement can make the selection of the appropriate positioning holes 11 more clear according to needs.
The handheld structure 2 is a flat handle, one end of the handheld structure 2 is integrally connected with the tail end of the positioning structure 1, and the tail end of the positioning structure 1 is close to one end of a doctor; when the positioning structure is used, the position of the positioning structure 1 is stabilized by holding the handheld structure 2 by hands, and the position of the positioning hole 11 can be adjusted by rotating the handheld structure 2 as required.
The shallow grooves 21 are formed in the tail end of the handheld structure 2, so that friction between the hand of an operator and the handheld structure 2 can be increased, and stability of the positioning structure 1 is maintained.
Arranging a buffer tube 13 at the head end of the positioning structure 1, namely the end close to the patient, wherein the buffer tube 13 is arranged at the periphery of the positioning hole 11, and the outer diameter of the buffer tube 13 is smaller than the diameter of the positioning structure 1; the buffer tube 13 is positioned to avoid damaging the patient's soft tissue during positioning.
The shape of the buffer tube 13 is set to be conical, and the diameter of the end of the buffer tube 13 close to the patient is smaller than that of the end connected with the positioning structure 1; this arrangement ensures that the positioning structure 1 slides smoothly into the soft tissue of the patient and does not scratch the soft tissue.
The length of the buffer tube 13 is set to 0.5-1.0 cm.
The positioning structure 1 and the handheld structure 2 are made of metal materials, the metal materials are firm and not easy to damage, and the service life is long.
The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will fall within the protection scope of the claims of the present invention.
Claims (10)
1. A positioning instrument for an intervertebral foramen mirror operation comprises a handheld structure (2) and a positioning structure (1), and is characterized in that the positioning structure (1) is provided with a plurality of positioning holes (11), and different spacing distances are arranged between any two positioning holes (11); the handheld structure (2) is integrally connected with the positioning structure (1).
2. Positioning instrument for transforaminal endoscopic procedures according to claim 1, characterized in that said positioning structure (1) is provided in a cylindrical shape and said positioning holes (11) are provided as circular holes.
3. Positioning instrument for transforaminal endoscopic procedures according to claim 2, characterized in that the diameter of the positioning structure (1) is set to 5-15mm and the length of the positioning structure (1) is set to 10-20 cm.
4. Positioning instrument for endoscopic intervertebral discs according to claim 1, characterized in that the diameter of the positioning hole (11) is set to 0.5-5 mm.
5. Positioning instrument for intra-spinal foraminoscopy procedures according to claim 4, characterized in that the spacing distance between any two positioning holes (11) is set to 0.5-6 mm.
6. Positioning instrument for intra-spinal foraminoscopy procedures according to claim 5, characterized in that the spacing distance between any two positioning holes (11) is preferably set to 1mm, 2mm, 3 mm.
7. Positioning instrument for endoscopic intervertebral surgery according to claim 6, characterized in that 2 to 8 positioning holes (11) are provided.
8. Positioning instrument for endoscopic discectomy according to claim 7, characterized in that preferably 5 alignment holes (11) are provided, 3 of which are in a straight line, one alignment hole (11) being provided on each side of the line, one of which is at a distance of 2mm from the lowermost alignment hole (11); the distance between the other side of the positioning hole and the bottommost positioning hole (11) is 3 mm.
9. Positioning instrument for use in endoscopic procedures according to claim 1, characterized in that a distance indication (12) is provided between any two positioning holes (11).
10. Positioning instrument for use in endoscopic discectomy according to any of claims 1-9, wherein a buffer tube (13) is arranged at the head end of the positioning structure (1), i.e. the end close to the patient, the buffer tube (13) being arranged at the periphery of the positioning hole (11), the buffer tube (13) having an outer diameter smaller than the diameter of the positioning structure (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430324.7U CN209863987U (en) | 2019-04-01 | 2019-04-01 | Positioning instrument for intervertebral foramen mirror operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430324.7U CN209863987U (en) | 2019-04-01 | 2019-04-01 | Positioning instrument for intervertebral foramen mirror operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209863987U true CN209863987U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920430324.7U Expired - Fee Related CN209863987U (en) | 2019-04-01 | 2019-04-01 | Positioning instrument for intervertebral foramen mirror operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209863987U (en) |
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2019
- 2019-04-01 CN CN201920430324.7U patent/CN209863987U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191231 Termination date: 20210401 |