CN112535520B - Lumbar puncture fixing device - Google Patents
Lumbar puncture fixing device Download PDFInfo
- Publication number
- CN112535520B CN112535520B CN202011353270.2A CN202011353270A CN112535520B CN 112535520 B CN112535520 B CN 112535520B CN 202011353270 A CN202011353270 A CN 202011353270A CN 112535520 B CN112535520 B CN 112535520B
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- Prior art keywords
- patient
- sliding plate
- fixing device
- adjusting
- rod
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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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
-
- 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
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/1225—Back
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/123—Lower body, e.g. pelvis, hip, buttocks
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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
- 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
-
- 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
- A61B2017/3411—Needle locating or guiding means using mechanical guide means with a plurality of holes, e.g. holes in matrix arrangement
Abstract
The invention relates to the technical field of medical equipment, in particular to a lumbar puncture fixing device which comprises a main body, wherein a sliding groove is formed in one side of the main body, a sliding plate is arranged inside the sliding groove, an adjusting mechanism is arranged at the top end of the sliding plate, an adjusting seat is arranged at one side, located on the adjusting mechanism, of the top end of the sliding plate, and an extrusion mechanism is connected to one side of the adjusting mechanism. Has the advantages that: through the fixed block that sets up, elastic strip and support, be the arc structure according to the fixed block, the posture that can cooperate the patient to curl makes the device rather than laminating, and, can make the elastic strip expand to both sides after pulley and patient contact, both possess certain buffering, can exert pressure to patient's back on horizontal again, meanwhile, two sets of supports of being connected with the elastic strip rotation also will be in the same direction as the trend and expand to both ends after contacting with the patient, and then exert pressure to patient's back on vertical, both combine, effectively improve the stability of puncture operation.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a lumbar puncture fixing device.
Background
Lumbar puncture is one of the most common examination methods in neurology and surgery, can be used for diagnosis and treatment, can know the properties of cerebrospinal fluid through lumbar puncture and assists in diagnosing inflammation or hemorrhagic diseases of the central nervous system; measuring cerebrospinal fluid pressure to know the intracranial pressure and the clear subarachnoid space; for intracranial (or spinal cord) patients with subarachnoid hemorrhage, inflammation or after surgery.
The operation method of the existing lumbar puncture comprises the following steps: patient lies on one's side on the hardboard bed, the back is perpendicular with the bedside, the head is crooked forward to the chest, the waist bows backward, both knees are to the belly flexion, local conventional disinfection back, shop does not have aseptic hole piece, the fixed puncture point skin of left hand, the needle is handed to the right side, it advances the needle from spine clearance and backbone vertical direction, but this mode shortcoming lies in that the operation process is carried out by medical personnel by hand, stability is lower on the one hand, on the other hand long-time manual operation leads to personnel fatigue easily, and the most structures of current lumbar vertebrae puncture fixing device are fixed, can't be applicable to different crowds, and also there is strict limit to the bore of needle tubing.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a lumbar puncture fixing device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a lumbar vertebrae puncture fixing device, includes the main part, one side of main part is provided with the spout, the inside of spout is provided with the slide, the top of slide is provided with adjustment mechanism, one side that the slide top is located adjustment mechanism is provided with adjusts the seat, one side of adjustment mechanism is connected with extrusion mechanism, extrusion mechanism's inside is provided with fixed establishment, the inside of main part is provided with the gas pole, the slide is connected to the output of gas pole.
Preferably, adjustment mechanism is including adjusting the seat, the inside of adjusting the seat is provided with the screw rod, the inside one side that is located the screw rod of adjusting the seat is provided with the dead lever, the outside of screw rod is provided with the movable block, the top of screw rod is connected with the carousel, the outside of adjusting the seat bottom is provided with the rack.
Preferably, the extrusion mechanism includes the fixed block, the one end of fixed block is provided with the connecting block, the both sides of fixed block are provided with the elasticity strip, the terminal both ends of elasticity strip are connected with the support, the end-to-end connection of support has the installation piece, the inside of installation piece is provided with the pivot, the both sides of pivot are provided with the pulley, be provided with the buffer between the outside of support and the elasticity strip.
Preferably, fixed establishment includes the inside fixed establishment who sets up of fixed block, fixed establishment's inside is provided with the switching roller, the inside of switching roller is provided with puts the pinhole, the one end of switching roller is provided with the gear, fixed establishment's one end is provided with the thimble.
Preferably, the adjusting seat is of a hollow cylindrical structure, one side of the movable block is in threaded connection with the screw, the other side of the movable block is sleeved with the fixed rod, and the rack is meshed with the fluted disc.
Preferably, the fixed block is the arc structure, and is a set of the quantity of the terminal support of elasticity strip is two sets of, the support rotates with the elasticity strip to be connected, the material that the pulley adopted is the sponge, the connecting block cup joints with the dead lever.
Preferably, the change roll is of a cylindrical structure, the number of the pin holes is multiple, the calibers of the multiple groups of pin holes are different, the ejector pin is in sliding connection with the fixing mechanism, and the ejector pin is meshed with the gear.
Preferably, the size and the spout phase-match of slide, adjust the seat and rotate with the slide and be connected, dead lever outside connecting block is located the top of movable block.
The lumbar puncture fixing device provided by the invention has the beneficial effects that:
1. through the fixed block that sets up, elastic strip and support, be the arc structure according to the fixed block, the posture that can cooperate the patient to curl makes the device rather than laminating, and, can make the elastic strip expand to both sides after pulley and patient contact, both possess certain buffering, can exert pressure to patient's back on horizontal again, meanwhile, two sets of supports of being connected with the elastic strip rotation also will be in the same direction as the trend and expand to both ends after contacting with the patient, and then exert pressure to patient's back on vertical, both combine, effectively improve the stability of puncture operation.
2. Through the screw rod that sets up, the movable block, rack and fluted disc, both sides according to the movable block respectively with screw rod threaded connection, cup joint with the dead lever, make rotate the carousel alright drive its lift, and then drive the connecting block that cup joints equally with the dead lever and go up and down, in-service use, can correct in real time according to the height of patient's lumbar vertebrae, and rotate the relation of being connected according to adjusting seat and slide, the fluted disc meshes with the rack again, with this can drive the connecting block and control the regulation, corresponding alright adjust the position that the patient needs the puncture, both combine, the application scope of device and the nimble degree of device have been improved greatly.
3. Through the pinhole of putting that sets up, gear and thimble, be the multiunit according to the quantity of putting the pinhole, and the aperture of putting the pinhole of multiunit is different, when puncturing, can help medical staff to pierce patient's lumbar vertebrae with the needle tubing with the vertically angle on the one hand, on the other hand can realize taking off the hand to the needle tubing after piercing patient's lumbar vertebrae, greatly reduced medical staff's intensity of labour, and according to the relation of gear and thimble block, make the change-over roller change the pinhole back of putting of different apertures, still can keep the parallel with the fixed block, reduce the error.
Drawings
Fig. 1 is a schematic view of the internal structure of a lumbar puncture fixing device according to the present invention;
fig. 2 is a schematic structural view of an adjusting seat of the lumbar puncture fixing device provided by the invention;
fig. 3 is a schematic structural view of a pressing base of the lumbar puncture fixing device according to the present invention;
fig. 4 is a top view of a lumbar puncture fixing device according to the present invention;
fig. 5 is a schematic view of a fixing base structure of the lumbar puncture fixing device provided by the invention.
In the figure: 1. a main body; 2. a chute; 3. a slide plate; 4. an adjustment mechanism; 5. an adjusting seat; 6. a screw; 7. fixing the rod; 8. a movable block; 9. a turntable; 10. a rack; 11. a fluted disc; 12. an extrusion mechanism; 13. a fixed block; 14. an elastic strip; 15. a support; 16. mounting blocks; 17. a rotating shaft; 18. a pulley; 19. connecting blocks; 20. a fixing mechanism; 21. a change roller; 22. placing a pinhole; 23. a gear; 24. a thimble; 25. a buffer; 26. and (4) an air rod.
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.
Referring to fig. 1-5, a lumbar puncture fixing device comprises a main body 1, a sliding groove 2 is arranged on one side of the main body 1, a sliding plate 3 is arranged inside the sliding groove 2, an adjusting mechanism 4 is arranged on the top end of the sliding plate 3, an adjusting seat 5 is arranged on one side, located on the adjusting mechanism 4, of the top end of the sliding plate 3, an extruding mechanism 12 is connected to one side of the adjusting mechanism 4, a fixing mechanism 20 is arranged inside the extruding mechanism 12, an air rod 26 is arranged inside the main body 1, and the output end of the air rod 26 is connected with the sliding plate 3.
Through the fixed block 13 that sets up, elastic strip 14 and support 15, be the arc structure according to fixed block 13, can cooperate the posture that the patient crouches to make the device rather than laminating, and, can make elastic strip 14 expand to both sides after pulley 18 and patient contact, both possess certain buffering, can exert pressure to patient's back on horizontal again, and meanwhile, two sets of support 15 of rotating with elastic strip 14 and being connected also will be in the same direction as the trend to both ends after contacting with the patient, and then exert pressure to patient's back on vertical, both combine, effectively improve the stability of puncture operation.
Wherein, adjustment mechanism 4 is including adjusting seat 5, the inside of adjusting seat 5 is provided with screw rod 6, the inside one side that is located screw rod 6 of adjusting seat 5 is provided with dead lever 7, the outside of screw rod 6 is provided with movable block 8, the top of screw rod 6 is connected with carousel 9, the outside of adjusting seat 5 bottom is provided with rack 10, extrusion mechanism 12 includes fixed block 13, the one end of fixed block 13 is provided with connecting block 19, the both sides of fixed block 13 are provided with elastic strip 14, the terminal both ends of elastic strip 14 are connected with support 15, the end-to-end connection of support 15 has installation piece 16, the inside of installation piece 16 is provided with pivot 17, the both sides of pivot 17 are provided with pulley 18, be provided with buffer 25 between the outside of support 15 and elastic strip 14.
The elastic strip 14 is arranged to not only provide a certain cushioning but also to apply pressure to the back of the patient in the transverse direction.
Wherein, fixed establishment 20 includes the inside fixed establishment 20 that sets up of fixed block 13, and the inside of fixed establishment 20 is provided with the switching roller 21, and the inside of switching roller 21 is provided with the pin hole 22, and the one end of switching roller 21 is provided with gear 23, and the one end of fixed establishment 20 is provided with thimble 24, adjusts the seat 5 and is hollow cylinder structure, one side and the screw rod 6 threaded connection of movable block 8, and the opposite side and the dead lever 7 of movable block 8 cup joint, and rack 10 meshes with fluted disc 11 mutually.
The needle setting holes 22 in the switching roller 21 can be switched according to the caliber of the needle tube actually used by the switching roller 21.
Wherein, fixed block 13 is the arc structure, the quantity of 14 terminal supports 15 of a set of elasticity strip is two sets of, support 15 rotates with elasticity strip 14 to be connected, the material that pulley 18 adopted is the sponge, connecting block 19 cup joints with dead lever 7, transfer roll 21 is the cylinder structure, the quantity of putting pinhole 22 is the multiunit, and the multiunit bore of putting pinhole 22 is different, thimble 24 and 20 sliding connection of fixed establishment, thimble 24 meshes with gear 23 mutually, slide 3's size and spout 2 phase-match, it is connected with slide 3 rotation to adjust seat 5, dead lever 7 outside connecting block 19 is located the top of movable block 8.
The provided thimble 24 can keep the parallel with the fixed block 13 after the changing roller 21 changes the needle placing holes 22 with different calibers according to the engagement relation between the gear 23 and the thimble 24, thereby reducing the error.
The working principle is as follows: when in use, a patient needs to lie on the side on the main body 1 and perform puncture operation in a curling posture, then medical staff controls the air rod 26 to contract to drive the sliding plate 3 to slide in the sliding groove 2 and gradually contact with the back of the patient, in the process, the rotary table 9 can be rotated according to the height of the lumbar of the patient to drive the connecting block 19 to ascend and descend, the rotary fluted disc 11 drives the connecting block 19 to be adjusted left and right to calibrate the position of the patient needing puncture, after the pulley 18 contacts with the patient, the pulley 18 is in an arc structure according to the fixed block 13, the device can be attached to the device in a curling posture of the patient, in addition, the elastic strips 14 expand to two sides after the pulley 18 contacts with the patient, not only have certain buffer, but also can transversely press the back of the patient, meanwhile, two groups of supports 15 which are rotationally connected with the elastic strips 14 also expand to two ends along the posture after contacting with the patient, and then exert pressure to the patient back on vertical, both combine, effectively improve the stability of puncture operation, when puncturing, wear out the needle tubing by putting pinhole 22 and pierce the patient lumbar vertebrae can, be the multiunit according to the quantity of putting pinhole 22, and the multiunit puts the bore of pinhole 22 different, when puncturing, on the one hand can help medical staff to pierce the patient lumbar vertebrae with the needle tubing with the vertically angle, on the other hand can realize the hand-off to the needle tubing after piercing patient's lumbar vertebrae, greatly reduced medical staff's intensity of labour.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a lumbar vertebrae puncture fixing device, includes main part (1), its characterized in that: one side of the main body (1) is provided with a sliding groove (2), a sliding plate (3) is arranged inside the sliding groove (2), the top end of the sliding plate (3) is provided with an adjusting mechanism (4), one side, located at the adjusting mechanism (4), of the top end of the sliding plate (3) is provided with an adjusting seat (5), one side of the adjusting mechanism (4) is connected with an extruding mechanism (12), the inside of the extruding mechanism (12) is provided with a fixing mechanism (20), the inside of the main body (1) is provided with a gas rod (26), the output end of the gas rod (26) is connected with the sliding plate (3), the adjusting mechanism (4) comprises an adjusting seat (5), the inside of the adjusting seat (5) is provided with a screw rod (6), one side, located at the screw rod (6), inside the adjusting seat (5) is provided with a fixing rod (7), the outer side of the screw rod (6) is provided with a movable block (8), the top of screw rod (6) is connected with carousel (9), the outside of adjusting seat (5) bottom is provided with rack (10), extrusion mechanism (12) includes fixed block (13), the one end of fixed block (13) is provided with connecting block (19), the both sides of fixed block (13) are provided with elastic strip (14), the terminal both ends of elastic strip (14) are connected with support (15), the end-to-end connection of support (15) has installation piece (16), the inside of installation piece (16) is provided with pivot (17), the both sides of pivot (17) are provided with pulley (18), be provided with buffer (25) between the outside of support (15) and elastic strip (14), state fixed establishment (20) that fixed block (13) inside set up, the inside of fixed establishment (20) is provided with and transfers roller (21), the inside of transferring roller (21) is provided with puts pinhole (22), one end of the change roller (21) is provided with a gear (23), and one end of the fixing mechanism (20) is provided with an ejector pin (24).
2. The lumbar puncture fixing device according to claim 1, wherein the adjusting base (5) is a hollow cylinder structure, one side of the movable block (8) is connected with the screw (6) in a threaded manner, the other side of the movable block (8) is sleeved with the fixed rod (7), and the rack (10) is meshed with the fluted disc (11).
3. The lumbar puncture fixing device according to claim 1, wherein the fixing block (13) is of an arc structure, the number of the brackets (15) at the tail ends of the elastic strips (14) is two, the brackets (15) are rotatably connected with the elastic strips (14), the pulleys (18) are made of sponge, and the connecting block (19) is sleeved with the fixing rod (7).
4. The lumbar puncture fixing device according to claim 1, wherein the change roller (21) is of a cylindrical structure, the number of the needle releasing holes (22) is multiple, the calibers of the multiple needle releasing holes (22) are different, the ejector pins (24) are slidably connected with the fixing mechanism (20), and the ejector pins (24) are engaged with the gear (23).
5. The lumbar puncture fixing device according to claim 1, wherein the sliding plate (3) is matched with the sliding groove (2) in size, the adjusting seat (5) is rotatably connected with the sliding plate (3), and the outer connecting block (19) of the fixing rod (7) is positioned above the movable block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011353270.2A CN112535520B (en) | 2020-11-26 | 2020-11-26 | Lumbar puncture fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011353270.2A CN112535520B (en) | 2020-11-26 | 2020-11-26 | Lumbar puncture fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112535520A CN112535520A (en) | 2021-03-23 |
| CN112535520B true CN112535520B (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011353270.2A Active CN112535520B (en) | 2020-11-26 | 2020-11-26 | Lumbar puncture fixing device |
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| Country | Link |
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| CN (1) | CN112535520B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514253B1 (en) * | 2000-11-22 | 2003-02-04 | Meei-Huei Yao | Apparatus for locating interlocking intramedullary nails |
| US10245068B2 (en) * | 2015-05-07 | 2019-04-02 | EDWARD Via COLLEGE OF OSTEOPATHIC MEDICINE | Lumbar puncture assist tool |
| CN210408906U (en) * | 2019-05-06 | 2020-04-28 | 南京医科大学 | Lumbar puncture positioning bed |
| CN110353780B (en) * | 2019-07-31 | 2020-07-03 | 河南省中医院（河南中医药大学第二附属医院） | Auxiliary positioning device for minimally invasive spine surgery |
| CN110840489A (en) * | 2019-12-17 | 2020-02-28 | 无锡祥生医疗科技股份有限公司 | Ultrasonic probe auxiliary imaging device |
| CN211884423U (en) * | 2020-02-20 | 2020-11-10 | 冯永怀 | Orthopedic surgery puncture posture adjustment operation bed |
| CN211914433U (en) * | 2020-04-13 | 2020-11-13 | 南一智能装备(常州)有限公司 | Guide roller adjusting seat |
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2020
- 2020-11-26 CN CN202011353270.2A patent/CN112535520B/en active Active
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| CN112535520A (en) | 2021-03-23 |
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