CN214966429U - Lumbar puncture positioning and guiding device - Google Patents
Lumbar puncture positioning and guiding device Download PDFInfo
- Publication number
- CN214966429U CN214966429U CN202121580579.5U CN202121580579U CN214966429U CN 214966429 U CN214966429 U CN 214966429U CN 202121580579 U CN202121580579 U CN 202121580579U CN 214966429 U CN214966429 U CN 214966429U
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- China
- Prior art keywords
- needle
- rotating cavity
- seat
- connecting seat
- guiding device
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- 238000009593 lumbar puncture Methods 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 210000004556 brain Anatomy 0.000 description 4
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 4
- 208000002403 Encephalocele Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010022773 Intracranial pressure increased Diseases 0.000 description 1
- 206010023509 Kyphosis Diseases 0.000 description 1
- 208000012902 Nervous system disease Diseases 0.000 description 1
- 208000029033 Spinal Cord disease Diseases 0.000 description 1
- 206010041549 Spinal cord compression Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 208000015114 central nervous system disease Diseases 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 208000027866 inflammatory disease Diseases 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 201000009941 intracranial hypertension Diseases 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009605 pneumoencephalography Methods 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a lumbar puncture positioning and guiding device, which comprises a fixed seat, wherein the fixed seat is in a cylindrical plate structure, a connecting seat is arranged on one side surface of the fixed seat, the connecting seat is far away from one side surface of the fixed seat and is rotatably connected with a rotating cavity, the end surface of the fixed seat is provided with a guiding needle in a penetrating way, the inner surface of the rotating cavity is provided with an internal thread, the inner surface of the rotating cavity is screwed with a movable plate, the movable plate is close to one side surface of the fixed seat and is fixedly connected with a puncture needle, the utility model is fixedly provided with the guiding needle on the fixed seat, the connecting seat is arranged on the fixed seat, the rotating cavity is arranged on the connecting seat, the guiding needle is firstly inserted into the body of a patient for positioning, then the rotating cavity is rotated, the rotating cavity drives the movable plate to move through screw thread fit, the puncture needle is driven by the movable plate for puncturing, thereby realizing the positioning of the puncture needle, being convenient for operation and reducing the pain of the patient.
Description
Technical Field
The utility model relates to the technical field of medical equipment, the concrete field is a lumbar puncture art location guiding device.
Background
Lumbar puncture is a commonly used clinical operation. Can be used for diagnosing various inflammatory diseases of central nervous system, vascular diseases, spinal cord diseases, intracranial space occupying diseases, nervous system diseases with unknown diagnosis, pneumoencephalography, spinal canal angiography, etc.; it is also used for treating central nervous system diseases by discharging (reducing) and infusing medicine due to high cerebrospinal fluid pressure.
The operation method is that the patient bends on the bed lying on the side, and holds the knees with both hands, so that the lumbar kyphosis and the intervertebral space are widened. And (5) performing local conventional disinfection, and puncturing after infiltration anesthesia. Resistance exists when the needle is generally inserted into the needle for 4-5 cm, the resistance is suddenly reduced, then the needle core is pulled out, and cerebrospinal fluid can drip out when the needle tail is rotated. The cerebrospinal fluid is discharged and taken according to different purposes and specific conditions. Then the needle core is inserted, the puncture needle is pulled out, the puncture needle is fixed by a sterilized gauze piece, and the pillow is removed and the patient lies for 4 to 6 hours.
Before lumbar puncture, if local skin, soft tissue and bone are inflamed, puncture cannot be performed; the puncture can not be performed by a patient with obvious intracranial pressure increase and cerebral hernia signs; patients in shock or endangered shock cannot puncture the puncture needle; the spinal cord compression symptom disease exists, and the spinal cord function is completely disappeared in the critical state, so that puncture cannot be performed. Preventing headache, cerebral hernia and infection after puncture.
Because the fine needle body that the lumbar puncture art used is difficult to control the needle body advancing direction when advancing the lumbar vertebrae, not only increased the degree of difficulty of lumbar vertebrae operation and still led to the fact unnecessary misery for patient, for this reason, provided a lumbar puncture art location guiding device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lumbar puncture art location guiding device to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a lumbar puncture positioning and guiding device comprises a fixed seat, wherein the fixed seat is of a cylindrical plate structure, a connecting seat is arranged on one side surface of the fixed seat, the connecting seat is cylindrical and is coaxially arranged with the fixed seat, a rotating cavity is rotatably connected to one side surface of the connecting seat far away from the fixed seat, the rotating cavity is coaxially arranged with the connecting seat, a guiding needle is arranged on the end surface of the fixed seat in a penetrating manner, an internal thread is arranged on the inner surface of the rotating cavity, a movable plate is screwed on the inner surface of the rotating cavity, a puncture needle is fixedly connected to one side surface of the movable plate close to the fixed seat, the puncture needle penetrates through the guiding needle, a needle core is arranged on the surface of the movable plate corresponding to the inner part of the puncture needle, a through hole is arranged in a penetrating manner on the side wall of the puncture needle, and a guide rod is fixedly connected to one side surface of the connecting seat far away from the fixed seat, the guide rod is located the inside in rotation chamber, the guide rod runs through the terminal surface of fly leaf, just the guide rod with swing joint between the fly leaf, the inside in connecting seat is equipped with the drainage chamber, the lateral wall in drainage chamber runs through and is equipped with the connecting pipe.
Preferably, the terminal surface of fly leaf runs through and is equipped with the activity groove, the activity groove with the coaxial setting of fly leaf, the internal surface swing joint in activity groove has the movable block, the internal surface coaxial of fly leaf is equipped with the ring channel, the external fixed surface of movable block is connected with the annular block, the annular block with be equipped with the spring between the ring channel, the nook closing member with movable block fixed connection, the coaxial fixedly connected with movable tube in surface of movable block, the terminal surface of movable tube runs through and is equipped with the intercommunicating pore, the intercommunicating pore with the crisscross setting of through-hole, the ring channel is close to one side lateral wall of fixing base runs through and is equipped with logical groove, the surface of fixing base corresponds logical groove department fixedly connected with ejector pin.
Preferably, one end of the ejector rod, which is far away from the fixed seat, is arc-shaped.
Preferably, the outer surface of the rotating cavity is provided with an anti-slip groove.
Preferably, the guide needle is uniformly attached to the side wall of the puncture needle.
Preferably, the number of the guide rods is multiple.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a lumbar puncture art location guiding device, through setting up the fixing base, the fixed guide needle that is provided with on the fixing base sets up the connecting seat on the fixing base, sets up on the connecting seat and rotates the chamber, inserts the internal location that advances of patient through the guide needle, and then the rotatory chamber that rotates drives, rotates the chamber and drives the fly leaf through screw-thread fit and remove, drives the pjncture needle through the fly leaf and punctures to realized the location to the puncture needle, the operation of being convenient for, and reduced patient's misery.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;
fig. 3 is a schematic bottom sectional view of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1. a fixed seat; 2. a connecting seat; 3. a rotation chamber; 4. a guide pin; 5. a movable plate; 6. puncturing needle; 7. a needle core; 8. a through hole; 9. a guide bar; 10. a drainage lumen; 11. a connecting pipe; 12. a movable groove; 13. a movable block; 14. an annular groove; 15. a ring block; 16. a spring; 17. a movable tube; 18. a communicating hole; 19. a through groove; 20. a top rod; 21. and (4) an anti-slip groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a lumbar puncture positioning and guiding device comprises a fixed seat 1, wherein the fixed seat 1 is of a cylindrical plate structure, a connecting seat 2 is arranged on one side surface of the fixed seat 1, the connecting seat 2 is cylindrical, the connecting seat 2 and the fixed seat 1 are coaxially arranged, a rotating cavity 3 is rotatably connected to one side surface, away from the fixed seat 1, of the connecting seat 2, the rotating cavity 3 and the connecting seat 2 are coaxially arranged, a guiding needle 4 penetrates through the end surface of the fixed seat 1, the guiding needle 4 is arranged on one side, away from the connecting seat 2, during surgery, the guiding needle 4 is firstly inserted into a patient body for positioning, an internal thread is arranged on the inner surface of the rotating cavity 3, a movable plate 5 is screwed on the inner surface of the rotating cavity 3, a puncture needle 6 is fixedly connected to one side surface of the movable plate 5, close to the fixed seat 1, and the puncture needle 6 penetrates through the guiding needle 4, when the movable plate 5 slides along the rotating cavity 3, the puncture needle 6 can be driven to penetrate through the guide needle 4 so as to be inserted into the lumbar vertebra of a patient for puncture, a needle core 7 is arranged on the surface of the movable plate 5 corresponding to the inside of the puncture needle 6 and used for drainage operation, a through hole 8 is arranged on the side wall of the puncture needle 6 in a penetrating way, brain marrow liquid flows into the puncture needle 6 through the through hole 8, a guide rod 9 is fixedly connected to the surface of one side of the connecting seat 2 away from the fixed seat 1, the guide rod 9 is positioned in the rotating cavity 3, the extending direction of the guide rod 9 is parallel to the axis direction of the rotating cavity 3, the guide rod 9 penetrates through the end surface of the movable plate 5, the guide rod 9 is movably connected with the movable plate 5, so that the movable plate 5 cannot rotate along with the rotation of the rotating cavity 3, and a drainage cavity 10 is arranged in the connecting seat 2, the lateral wall of drainage chamber 10 runs through and is equipped with connecting pipe 11, drainage chamber 10 and pjncture needle 6 intercommunication to after the encephalon liquid got into pjncture needle 6 inside, flowed out through drainage chamber 10, thereby carried out the drainage operation through connecting pipe 11.
Particularly, the terminal surface of activity board 5 runs through and is equipped with activity groove 12, activity groove 12 with the coaxial setting of activity board 5, the internal surface swing joint of activity groove 12 has movable block 13, the internal surface of activity board 5 is coaxial to be equipped with ring channel 14, the external fixed surface of movable block 13 is connected with annular block 15, be equipped with spring 16 between annular block 15 and the ring channel 14, spring 16 cover is established the surface of movable block 13, just spring 16 makes annular block 15 be located the lower extreme of ring channel 14, the needle core 7 with movable block 13 fixed connection, the coaxial fixed surface of movable block 13 is connected with movable tube 17, the terminal surface of movable tube 17 runs through and is equipped with intercommunicating pore 18, intercommunicating pore 18 with through-hole 8 sets up in a staggered manner, works as when annular block 15 is located ring channel 14 lower extreme, through-hole 8 and intercommunicating pore 18 are crisscross, thereby the through-hole 8 is in the closed state, the annular groove 14 is close to one side lateral wall of fixing base 1 runs through and is equipped with logical groove 19, the surface of fixing base 1 corresponds logical groove 19 department fixedly connected with ejector pin 20, when the fly leaf 5 removes to rotating the chamber 3 lower extreme, ejector pin 20 inserts in logical groove 19 and jack-up annular piece 15 for annular piece 15 drives movable block 13 and removes, and movable block 13 drives movable pipe 17 and removes, makes through-hole 8 align with the intercommunicating pore 18, thereby the marrow liquid can flow into pjncture needle 6 through-hole 8, and then makes in the insertion-in-process, through-hole 8 is in the closed state, and the unexpected outflow of marrow liquid can not be convenient for operate.
Particularly, the ejector rod 20 is far away from one end of the fixed seat 1 is arc-shaped, so that the ejector rod 20 is matched with the corresponding through groove 19 conveniently.
Specifically, the outer surface of the rotation cavity 3 is provided with an anti-slip groove 21, so that friction force is increased, and the rotation cavity 3 is convenient to rotate.
Specifically, the side walls of the introducer needle 4 and the puncture needle 6 are uniformly bonded to each other, and the cerebrospinal fluid is prevented from flowing into the gap between the introducer needle 4 and the puncture needle 6.
Specifically, the number of the guide rods 9 is plural, so that the moving process of the movable plate 5 is more stable.
The working principle is as follows: when the utility model is used, the movable plate 5 is positioned at the upper end of the rotating cavity 3, the guide needle 4 is inserted into the patient, then the rotating cavity 3 is rotated, the rotating cavity 3 drives the movable plate 5 to move downwards under the action of screw-thread fit, the puncture needle 6 is driven to puncture the patient, in the puncturing process, the annular block 15 is positioned at the lower end of the annular groove 14 under the action of the spring 16, the through hole 8 is staggered with the communicating hole 18, so that the through hole 8 is in a closed state, when the movable plate 5 moves to the lower end of the rotating cavity 3, the ejector rod 20 is inserted into the through groove 19 and jacks up the annular block 15, so that the annular block 15 drives the movable block 13 to move, the movable block 13 drives the movable pipe 17 to move, so that the through hole 8 is aligned with the communicating hole 18, so that the brain marrow liquid can flow into the puncture needle 6 through the through hole 8, and further, in the inserting process, the through hole 8 is in the closed state, and the brain marrow liquid can not flow out accidentally, the operation is convenient.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lumbar puncture art location guiding device, includes fixing base (1), its characterized in that: the fixing seat (1) is of a cylindrical plate structure, a connecting seat (2) is arranged on one side surface of the fixing seat (1), the connecting seat (2) is cylindrical, the connecting seat (2) and the fixing seat (1) are coaxially arranged, one side surface, far away from the fixing seat (1), of the connecting seat (2) is rotatably connected with a rotating cavity (3), the rotating cavity (3) and the connecting seat (2) are coaxially arranged, a guide needle (4) penetrates through the end surface of the fixing seat (1), an internal thread is arranged on the inner surface of the rotating cavity (3), a movable plate (5) is screwed on the inner surface of the rotating cavity (3), a puncture needle (6) is fixedly connected to one side surface, close to the fixing seat (1), of the movable plate (5), the puncture needle (6) penetrates through the guide needle (4), and a needle core (7) is arranged in the puncture needle (6) corresponding to the surface of the movable plate (5), the lateral wall of pjncture needle (6) runs through and is equipped with through-hole (8), connecting seat (2) are kept away from one side fixed surface of fixing base (1) is connected with guide arm (9), guide arm (9) are located rotate the inside in chamber (3), guide arm (9) run through the terminal surface of fly leaf (5), just guide arm (9) with swing joint between fly leaf (5), the inside of connecting seat (2) is equipped with drainage chamber (10), the lateral wall of drainage chamber (10) runs through and is equipped with connecting pipe (11).
2. The lumbar puncture positioning and guiding device according to claim 1, wherein: the terminal surface of activity groove (5) runs through and is equipped with activity groove (12), activity groove (12) with the coaxial setting of activity groove (5), the internal surface swing joint of activity groove (12) has movable block (13), the internal surface of activity groove (5) is coaxial to be equipped with ring channel (14), the external fixed surface of movable block (13) is connected with annular block (15), annular block (15) with be equipped with spring (16) between ring channel (14), needle core (7) with movable block (13) fixed connection, the coaxial fixedly connected with movable tube (17) in surface of movable block (13), the terminal surface of movable tube (17) runs through and is equipped with intercommunicating pore (18), intercommunicating pore (18) with through-hole (8) set up in a staggered way, ring channel (14) are close to one side lateral wall of fixing base (1) runs through and is equipped with logical groove (19), the surface of the fixed seat (1) is fixedly connected with a mandril (20) corresponding to the through groove (19).
3. The lumbar puncture positioning and guiding device according to claim 2, wherein: one end of the ejector rod (20) far away from the fixed seat (1) is arc-shaped.
4. The lumbar puncture positioning and guiding device according to claim 1, wherein: the outer surface of the rotating cavity (3) is provided with an anti-skid groove (21).
5. The lumbar puncture positioning and guiding device according to claim 1, wherein: the guide needle (4) is uniformly attached to the side wall of the puncture needle (6).
6. The lumbar puncture positioning and guiding device according to claim 1, wherein: the number of the guide rods (9) is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580579.5U CN214966429U (en) | 2021-07-13 | 2021-07-13 | Lumbar puncture positioning and guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580579.5U CN214966429U (en) | 2021-07-13 | 2021-07-13 | Lumbar puncture positioning and guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214966429U true CN214966429U (en) | 2021-12-03 |
Family
ID=79126195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121580579.5U Expired - Fee Related CN214966429U (en) | 2021-07-13 | 2021-07-13 | Lumbar puncture positioning and guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214966429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481763A (en) * | 2023-12-22 | 2024-02-02 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
-
2021
- 2021-07-13 CN CN202121580579.5U patent/CN214966429U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481763A (en) * | 2023-12-22 | 2024-02-02 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
| CN117481763B (en) * | 2023-12-22 | 2024-04-30 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
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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 |
Granted publication date: 20211203 |