CN111437013A - Buttonhole puncture laser positioning device - Google Patents
Buttonhole puncture laser positioning device Download PDFInfo
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- CN111437013A CN111437013A CN202010387035.0A CN202010387035A CN111437013A CN 111437013 A CN111437013 A CN 111437013A CN 202010387035 A CN202010387035 A CN 202010387035A CN 111437013 A CN111437013 A CN 111437013A
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- pile
- support
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- positioning
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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
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- 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
-
- 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
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3407—Needle locating or guiding means using mechanical guide means including a base for support on the body
Abstract
The invention belongs to the technical field of medical auxiliary equipment for hemodialysis, and relates to a buttonhole puncture laser positioning device; comprises a base, an internal epicondyle positioning pile of the humerus, an ulnar styloid positioning pile, a laser lamp positioning bracket and a laser pen; wherein, four end angles of the lower side surface of the base are fixedly provided with a base plate column, the upper side surface of the left front part of the base is fixedly provided with an ulna styloid positioning pile, the upper side surface of the right front part of the base is provided with a pile movable groove, the outer side edge of the pile movable groove is provided with a pile scale, and the right front part of the base is provided with an humerus internal epicondyle positioning pile; the rear end of the upper side surface of the base is provided with a bracket groove, a laser lamp positioning bracket is movably arranged in the bracket groove in a clamping groove mode, and a laser pen is rotatably arranged on the laser lamp positioning bracket; the device is reasonable and complete in structure, reduces the puncture difficulty of medical staff, is simple to produce and manufacture, low in manufacturing cost, can be repeatedly used, and greatly reduces the treatment cost of patients.
Description
The technical field is as follows:
the invention belongs to the technical field of medical auxiliary equipment for hemodialysis, relates to an instrument for assisting accurate positioning of a puncture point in a hemodialysis buttonhole puncture process, and particularly relates to a buttonhole puncture laser positioning device.
Background art:
hemodialysis is one of kidney substitution treatment methods for patients with acute and chronic renal failure, the most common vascular access in hemodialysis is autologous arteriovenous internal fistula, patients with relatively poor conditions and few puncture sites need to take buttonhole puncture, the early stage of buttonhole puncture requires that each needle insertion adopts the same puncture point, the same angle and the same depth, repeated puncture is carried out for 1-2 months, a subcutaneous tunnel is formed, a door-like structure is formed on a blood vessel, then blunt needle puncture is adopted, a blunt needle penetrates through the tunnel, and the door-like structure is pushed open, so that the blood vessel is fully protected and utilized, and the service life of the internal fistula is prolonged. The method has low incidence of hemangioma, angiostenosis and thrombosis. However, the puncture technical requirement is high, the material consumption of the indwelling needle method and the tunnel nail method is high, and the clinical popularization rate is not high; meanwhile, buttonhole puncture has higher puncture technical requirements on medical workers, and even a high-quality nurse is difficult to keep 'same-point, same-angle and same-depth' blunt needle puncture in 1-2 months of puncture treatment; the existing indwelling needle method and the tunnel nail method are expensive in material consumption and difficult to bear by common patients.
In the prior art, chinese patent publication No. CN209490308U discloses a buttonhole puncturing angle adjusting holder for blood purification. The angle adjusting plate can rotate around a hinge point; a sliding groove is arranged on the side wall of the fixed plate, and a sliding block is embedded in the sliding groove; the fixed frame comprises an angle adjusting rod, one end of the angle adjusting rod is hinged with the side wall of the angle adjusting plate, and the other end of the angle adjusting rod is hinged with the sliding block; the fixed frame also comprises a fixed part which can fix the angle adjusting rod at the preset position of the sliding chute; the side wall of the fixed plate is provided with angle scales. The angle adjusting device has the advantages that the ingenious design of the fixing piece is utilized, the two functions of angle adjustment and angle fixation are realized simultaneously, the angle adjustment is accurate, the buttonhole puncture is convenient to carry out, but the device cannot assist medical staff in positioning puncture. The Chinese patent with the publication number of CN205433847U discloses an angle adjusting plate for a buttonhole puncturing angle gauge, which comprises a plate body, wherein a puncturing track is arranged in the middle of the plate body, a positioning slide way is arranged on one side of the puncturing track, a positioning slide block is arranged inside the positioning slide way, a positioning needle is arranged on one side of the positioning slide block, the positioning slide way and the positioning slide block are matched with each other for use, a transparent plate is arranged at the upper end of the plate body, scales are arranged on one side of the transparent plate, a clamping block is arranged at the upper end of the bottom of the transparent plate, a clamping groove matched with the clamping block for use is; the invention has poor practicability, different arm conditions of each person, variable puncture positions and difficulty in adapting to the real condition of fixed-point puncture with a plate-shaped structure.
In summary, the puncture technical requirements of the prior buttonhole puncture on medical staff are high, and the puncture point is difficult to keep the blunt needle puncture with the same point, angle and depth in the puncture treatment; the existing indwelling needle method and the tunnel nail method have expensive consumables and are difficult to bear by common patients; the prior auxiliary puncture patent technology has low applicability and is difficult to ensure the accurate puncture of buttonhole puncture.
The invention content is as follows:
the invention aims to overcome the defects of the existing equipment, and designs a buttonhole puncture laser positioning device aiming at the defects that the blunt needle puncture with the same point, angle and depth is difficult to ensure, the auxiliary fixed-point puncture equipment is expensive and the like in the existing buttonhole puncture.
In order to achieve the above object, the present invention relates to a laser positioning device for buttonhole puncture, the main structure of which comprises: the device comprises a base, an internal epicondyle positioning pile of the humerus, an ulnar styloid positioning pile, a laser lamp positioning bracket and a laser pen; the upper side surface of the right front part of the base is provided with a pile movable groove, the pile movable groove penetrates through the base, the outer side edge of the pile movable groove is provided with a pile scale, and the right front part of the base is clamped with a humerus internal epicondyle positioning pile of a columnar structure in a groove type movable manner through the pile movable groove; the rear end of the upper side surface of the base is provided with a support groove, the length of the support groove is 1/2-4/5 of the length of the long side of the base, the support groove penetrates through the base, and the outer side edge of the support groove is provided with a support groove scale in parallel; a laser lamp positioning support is movably arranged in the support groove in a clamping groove mode, a laser pen is rotatably mounted on the laser lamp positioning support and points to the position of buttonhole puncture, a laser pen switch is arranged on the laser pen, and the laser pen is turned on through the laser pen switch; the device determines the position of the first buttonhole puncture by recording the positions of the humeral internal epicondyle positioning pile, the connecting ring, the vertical bracket, the rotary bracket and the transverse bracket and the light direction of the laser pen, thereby realizing accurate positioning during the second buttonhole puncture.
The circular diameter size of the humerus internal epicondyle positioning pile shell is larger than the width size of the pile moving groove, and the humerus internal epicondyle positioning pile can move left and right along the pile moving groove; the surface layer of the humerus internal epicondyle positioning pile shell is vertically provided with a pile mark strip with a strip structure; the outer shell of the humerus internal epicondyle positioning pile is in threaded connection with a pile screw, the pile screw is provided with a pile screw rod, the pile screw rod penetrates out of a pile moving groove from the lower end of a base, the handle part of the lower end of the pile screw rod is limited at the lower end of the pile moving groove, the pile screw rod is limited in the pile moving groove, the penetrating end of the pile screw rod penetrates through the outer shell of the humerus internal epicondyle positioning pile from bottom to top and is in threaded connection with the outer shell of the humerus internal epicondyle positioning pile, and the humerus internal epicondyle positioning pile is fixed on the base by screwing the outer shell of the humerus internal.
The laser lamp positioning bracket is formed by combining a connecting ring, a vertical bracket, a rotary bracket, a transverse bracket and a fixing plate; the lower end of a vertical support with a columnar structure is arranged in the support groove in a clamping groove manner, and the vertical support can move left and right along the support groove; the vertical support is nested with a connecting ring in an annular structure, the other side of the connecting ring is fixedly connected with a transverse support in a columnar structure, a transverse scale is arranged on the side surface of the transverse support, a transverse marking strip is arranged on one side of the transverse scale in parallel, the transverse support is nested with a rotary support in an annular structure, the size of the inner diameter of a circle of the rotary support is equal to the size of the outer diameter of the circle of the transverse support, the rotary support is fixed on the transverse support through a rotary screw arranged on one side of the rotary support, and the rotary support can move back and forth along the transverse support after the rotary; a bracket central angle dial is arranged on the side surface of the rotating bracket; the other side of the rotating bracket is fixedly connected with a fixing plate with a plate-shaped structure, and the lower end of the fixing plate is fixedly provided with a laser pen in a threaded manner.
The diameter of the circle of the vertical support is larger than the width of the support groove, the lower end of the vertical support is in threaded connection with the vertical screw, the side face of the vertical support is provided with a vertical scale, and one side of the vertical scale is provided with a vertical mark strip in parallel.
The vertical screw is provided with a vertical screw rod, the vertical screw rod penetrates out of the bracket groove from bottom to top, the handle part at the lower end of the vertical screw rod is limited at the lower side of the base, the vertical screw rod is limited in the bracket groove, and the extending part of the vertical screw rod is in threaded connection with the lower end of the vertical bracket.
The size of the inner diameter of the circle of the connecting ring is equal to the size of the outer diameter of the circle of the vertical bracket; the connecting ring is fixed on the vertical support through a ring screw arranged on one side of the connecting ring, the connecting ring can move up and down along the vertical support after the ring screw is unscrewed, and the connecting ring is fixed through a screwing ring screw after moving to a specified position; the side of the connecting ring is provided with a circle center angle dividing ruler.
Compared with the prior art, the buttonhole puncture laser positioning device has the advantages that the structure is reasonable and perfect, the positioning device is scientific and practical, the irradiation position of the positioning laser is set and adjusted according to the size data, the same-point and same-angle blunt needle puncture of the buttonhole puncture is ensured, the puncture difficulty of medical personnel is reduced, the production and the manufacture are simple, the manufacturing cost is low, the device can be repeatedly used in different patients, and the treatment cost of patients is greatly reduced.
Description of the drawings:
fig. 1 is a schematic block diagram of a right front view structure of a buttonhole puncturing laser positioning device according to the present invention.
Fig. 2 is a schematic diagram of the right rear view angle structure of the buttonhole puncturing laser positioning device according to the present invention.
Fig. 3 is a schematic structural diagram of a left rear view angle of the base according to the present invention.
Fig. 4 is a schematic view of the structural principle of the vertical support according to the present invention.
Fig. 5 is a schematic structural diagram of a transverse bracket according to the present invention.
Fig. 6 is a schematic structural view of the medial humeral epicondyle post of the present invention.
The specific implementation mode is as follows:
the invention is further illustrated by the following examples in conjunction with the accompanying drawings.
Example 1:
the buttonhole puncture laser positioning device that this embodiment relates to, its major structure includes: the device comprises a base 1, an internal humeral epicondyle positioning pile 2, an ulnar styloid positioning pile 3, a laser lamp positioning support and a laser pen 12; as shown in fig. 1-2, four end corners of the lower side of the rectangular base 1 are respectively and fixedly provided with a base column 14, the four base columns 14 make the base 1 and the placing plane have a gap, and the four base columns 14 not only facilitate the taking and placing of the base 1, but also ensure the stability of the base 1; an ulna styloid positioning pile 3 with a columnar structure is fixedly arranged on the upper side face of the left front part of the base 1, a pile moving groove 16 is arranged on the upper side face of the right front part of the base 1, the pile moving groove 16 penetrates through the base 1, a pile scale 15 is arranged on the outer side edge of the pile moving groove 16, and the right front part of the base 1 is movably provided with a humerus internal epicondyle positioning pile 2 with a columnar structure in a clamping groove mode through the pile moving groove 16; the circular diameter size of the housing of the humerus internal epicondyle positioning pile 2 is larger than the width size of the pile moving groove 16, and the humerus internal epicondyle positioning pile 2 can move left and right along the pile moving groove 16; as shown in fig. 6, the surface layer of the housing of the humeral medial epicondyle spud 2 is vertically provided with a stake mark strip 27 with a strip structure, and the stake mark strip 27 is convenient for reading scale values on the stake scale 15 so as to determine the position of the humeral medial epicondyle spud 2 relative to the stake active slot 16; the outer shell of the humeral internal epicondyle positioning pile 2 is in threaded connection with a pile screw 28, the pile screw 28 is provided with a pile screw 26, the pile screw 26 penetrates out of the pile moving groove 16 from the lower end of the base 1, the handle part of the lower end of the pile screw 28 is limited at the lower end of the pile moving groove 16, the pile screw 26 is limited in the pile moving groove 16, the penetrating end of the pile screw 26 penetrates through the outer shell of the humeral internal epicondyle positioning pile 2 from bottom to top and is in threaded connection with the outer shell of the humeral internal epicondyle positioning pile 2, and the humeral internal epicondyle positioning pile 2 is fixed on the base 1 by screwing the outer shell of the humeral internal epicondyle positioning pile 2; as shown in fig. 1-3, a bracket groove 13 is arranged at the rear end of the upper side of the base 1, the length of the bracket groove 13 is 1/2-4/5 of the length of the long side of the base 1, the bracket groove 13 penetrates through the base 1, and a bracket groove scale 17 is arranged in parallel at the outer side of the bracket groove 13; the clamping groove type in the bracket groove 13 is movably provided with a laser lamp positioning bracket, and the laser lamp positioning bracket is formed by combining a connecting ring 4, a vertical bracket 5, a rotating bracket 6, a transverse bracket 10 and a fixing plate 11; as shown in fig. 4, the lower end of the vertical support 5 of the columnar structure is installed in the support groove 13 in a clamping groove manner, the vertical support 5 can move left and right along the support groove 13, the diameter of the circle of the vertical support 5 is larger than the width of the support groove 13, the lower end of the vertical support 5 is in threaded connection with a vertical screw 24, the vertical screw 24 is provided with a vertical screw 25, the vertical screw 25 penetrates out of the support groove 13 from bottom to top, the handle part of the lower end of the vertical screw 24 is limited at the lower side of the base 1, the vertical screw 25 is limited in the support groove 13, and the extending part of the vertical screw 25 is in threaded connection with the lower end of; a vertical scale 20 is arranged on the side surface of the vertical support 5, a vertical mark strip 21 is arranged on one side of the vertical scale 20 in parallel, the relative position of the vertical support 5 and the support groove 13 is conveniently observed through the lower side part of the vertical mark strip 21, and the scale value on the support groove scale 17 is conveniently read; as shown in fig. 1-2, the vertical support 5 is nested with the connecting ring 4 in a ring structure, and the circular inner diameter of the connecting ring 4 is equal to the circular outer diameter of the vertical support 5; as shown in fig. 5, the connection ring 4 is fixed to the vertical support 5 by a ring screw 19 provided at one side of the connection ring 4, and the connection ring 4 can move up and down along the vertical support 5 by loosening the ring screw 19 and be fixed by tightening the ring screw 19 when the connection ring 4 moves to a predetermined position; the side surface of the connecting ring 4 is provided with a ring center angle scale 18, and the relative position of the ring center angle scale 18 on the connecting ring 4 and the vertical bracket 5 can be conveniently read through the vertical scale 21; the other side of the connecting ring 4 is fixedly connected with a transverse support 10 with a columnar structure, the side surface of the transverse support 10 is provided with a transverse scale 9, one side of the transverse scale 9 is provided with a transverse marking strip 22 in parallel, the transverse support 10 is nested with a rotary support 6 with an annular structure, the inner diameter of a circle of the rotary support 6 is equal to the outer diameter of the circle of the transverse support 10, the rotary support 6 is fixed on the transverse support 10 through a rotary screw 7 arranged on one side of the rotary support 6, after the rotary screw 7 is unscrewed, the rotary support 6 can move back and forth along the transverse support 10, and after the rotary support 6 moves to a designated position, the rotary support is fixed through screwing the rotary screw 7; a bracket central angle dial 8 is arranged on the side surface of the rotating bracket 6, and the relative position of the bracket central angle dial 8 and the transverse bracket 10 on the rotating bracket 6 can be conveniently read through a transverse label 22; the other side of the rotating bracket 6 is fixedly connected with a fixing plate 11 with a plate-shaped structure, the lower end of the fixing plate 11 is fixedly provided with a laser pen 12 in a threaded manner, a laser pen switch 23 is arranged on the laser pen 12, and the laser pen 12 is opened through the laser pen switch 23; the device records the position of the first buttonhole puncture by recording the positions of the humeral internal epicondyle positioning pile 2, the connecting ring 4, the vertical bracket 5, the rotary bracket 6 and the transverse bracket 10 and the light ray direction of the laser pen 12, thereby realizing accurate positioning during the second buttonhole puncture.
The concrete use process of the buttonhole puncture laser positioning device of this embodiment is: after the first needle insertion by buttonhole puncture, the patient puts the arm between the plane of the humeral internal epicondyle positioning pile 2 and the ulnar styloid positioning pile 3 and the laser lamp positioning bracket, the ulnar styloid process of the arm is put at the ulnar styloid positioning pile 3, and the humeral internal epicondyle positioning pile 2 is adjusted to make the humeral internal epicondyle positioning pile 2 at the humeral internal epicondyle of the arm due to different arm thicknesses and lengths of the patient; then adjusting the laser lamp positioning support to enable the vertical support 5 to be positioned in front of the needle inlet, loosening the ring screw 19, adjusting the connecting ring 4 to a position on the vertical support 5 convenient for medical staff to watch, and screwing the ring screw 19 for fixing; then unscrewing the rotary screw 7, moving the rotary support 6 to enable the irradiation point of the laser pen 12 to point at the needle insertion port, adjusting the vertical support 5 and the rotary support 6 to enable the pointing direction of the laser pen 12 to be consistent with the needle insertion direction, and recording the scale positions of the pointing directions of the humeral epicondyle positioning pile 2, the connecting ring 4, the vertical support 5, the rotary support 6, the transverse support 10 and the laser pen 12; finally, when the buttonhole puncture needle insertion is carried out again, the humerus internal epicondyle positioning pile 2, the connecting ring 4, the vertical support 5, the rotary support 6 and the transverse support 10 are adjusted to the recorded scale positions, and the pointing direction of the laser pen 12 is adjusted, so that the laser pen 12 irradiates the position of the first needle insertion of the first buttonhole puncture. The medical staff carries out the needle inserting again according to the irradiation point and the inclination angle of the laser pen 12; the device has the advantages that the accurate positioning of the needle inserting position during the buttonhole puncture is realized, the blunt needle puncture with the same point and angle of the buttonhole puncture is ensured, the operation difficulty of medical workers is reduced, the device is low in cost, can be repeatedly used in different patients, is energy-saving and environment-friendly, and compared with an indwelling needle method and a tunnel nail method, the medical cost of patients is obviously reduced; by using the device to assist in buttonhole puncture, the damage to the needle insertion part of a patient is reduced, the times of repeated needle insertion of the same part of the patient are increased, and the use effect is good.
Claims (8)
1. The utility model provides a buttonhole puncture laser positioner which characterized in that: the main structure includes: the device comprises a base, an internal epicondyle positioning pile of the humerus, an ulnar styloid positioning pile, a laser lamp positioning bracket and a laser pen; four end angles of the lower side surface of the rectangular base are respectively fixedly provided with a base plate column, the upper side surface of the left front part of the base is fixedly provided with an ulna styloid positioning pile with a columnar structure, the upper side surface of the right front part of the base is provided with a pile movable groove, and the right front part of the base is clamped with a groove type movably provided with an internal humeral epicondyle positioning pile with a columnar structure through the pile movable groove; the base is gone up the side rear end and is provided with the support groove, and draw-in groove formula activity is provided with laser lamp locating support in the support groove, and the laser pen is installed to the last rotation type of laser lamp locating support, and the pointed position of buttonhole puncture of laser pen is provided with the laser pen switch on the laser pen.
2. The buttonhole puncturing laser positioning device according to claim 1, wherein: the pile moving groove penetrates through the base, and a pile scale is arranged on the outer side edge of the pile moving groove; the length of the bracket groove is 1/2-4/5 of the length of the long edge of the base, the bracket groove penetrates through the base, and the outer side edge of the bracket groove is provided with a bracket groove scale in parallel.
3. The buttonhole puncturing laser positioning device according to claim 2, wherein: the circular diameter size of the humerus internal epicondyle positioning pile shell is larger than the width size of the pile moving groove, and the humerus internal epicondyle positioning pile can move left and right along the pile moving groove; the surface layer of the humerus internal epicondyle positioning pile shell is vertically provided with a pile mark strip with a strip structure; the humerus internal epicondyle positioning pile shell is in threaded connection with a pile screw.
4. The buttonhole puncturing laser positioning device according to claim 3, wherein: the pile screw is provided with a pile screw rod, the pile screw rod penetrates out of the pile moving groove from the lower end of the base, the handle part of the lower end of the pile screw rod is limited at the lower end of the pile moving groove, the pile screw rod is limited in the pile moving groove, and the penetrating end of the pile screw rod penetrates through the shell of the humeral internal epicondyle positioning pile from bottom to top and is in threaded connection with the shell of the humeral internal epicondyle positioning pile.
5. The buttonhole penetration laser positioning device according to claim 1 or claim 4, wherein: the laser lamp positioning bracket is formed by combining a connecting ring, a vertical bracket, a rotary bracket, a transverse bracket and a fixing plate; the lower end of a vertical support with a columnar structure is arranged in the support groove in a clamping groove manner, and the vertical support can move left and right along the support groove; the vertical support is nested with a connecting ring in an annular structure, the other side of the connecting ring is fixedly connected with a transverse support in a columnar structure, a transverse scale is arranged on the side surface of the transverse support, a transverse marking strip is arranged on one side of the transverse scale in parallel, the transverse support is nested with a rotary support in an annular structure, the size of the inner diameter of a circle of the rotary support is equal to the size of the outer diameter of the circle of the transverse support, the rotary support is fixed on the transverse support through a rotary screw arranged on one side of the rotary support, and the rotary support can move back and forth along the transverse support after the rotary; a bracket central angle dial is arranged on the side surface of the rotating bracket; the other side of the rotating bracket is fixedly connected with a fixing plate with a plate-shaped structure, and the lower end of the fixing plate is fixedly provided with a laser pen in a threaded manner.
6. The buttonhole puncturing laser positioning device according to claim 5, wherein: the diameter size of the circle of the vertical support is larger than the width size of the support groove, the lower end of the vertical support is in threaded connection with the vertical screw, the side face of the vertical support is provided with a vertical scale, and a vertical mark strip is arranged on one side of the vertical scale in parallel.
7. The buttonhole puncturing laser positioning device according to claim 6, wherein: the vertical screw is provided with a vertical screw rod, the vertical screw rod penetrates out of the support groove from bottom to top, the handle part at the lower end of the vertical screw rod is limited at the lower side of the base, the vertical screw rod is limited in the support groove, and the extending part of the vertical screw rod is in threaded connection with the lower end of the vertical support.
8. The buttonhole puncturing laser positioning device according to claim 7, wherein: the size of the inner diameter of the circle of the connecting ring is equal to the size of the outer diameter of the circle of the vertical support; the connecting ring is fixed on the vertical support through a ring screw arranged on one side of the connecting ring, the connecting ring can move up and down along the vertical support after the ring screw is unscrewed, and the connecting ring is fixed through a screwing ring screw after moving to a specified position; the side of the connecting ring is provided with a circle center angle dividing ruler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387035.0A CN111437013A (en) | 2020-05-09 | 2020-05-09 | Buttonhole puncture laser positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387035.0A CN111437013A (en) | 2020-05-09 | 2020-05-09 | Buttonhole puncture laser positioning device |
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| CN111437013A true CN111437013A (en) | 2020-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920513A (en) * | 2020-08-24 | 2020-11-13 | 南京市第一医院 | Intervertebral disc radio frequency ablation puncture light calibration auxiliary device |
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2020
- 2020-05-09 CN CN202010387035.0A patent/CN111437013A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920513A (en) * | 2020-08-24 | 2020-11-13 | 南京市第一医院 | Intervertebral disc radio frequency ablation puncture light calibration auxiliary device |
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