CN112842408A - Auxiliary propelling device for lumbar puncture needle - Google Patents
Auxiliary propelling device for lumbar puncture needle Download PDFInfo
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- CN112842408A CN112842408A CN202110158278.1A CN202110158278A CN112842408A CN 112842408 A CN112842408 A CN 112842408A CN 202110158278 A CN202110158278 A CN 202110158278A CN 112842408 A CN112842408 A CN 112842408A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
- A61B5/032—Spinal fluid pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B2010/0077—Cerebrospinal fluid
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Abstract
The invention belongs to the field of medical appliances, and particularly relates to a lumbar puncture needle auxiliary propulsion device. A lumbar puncture needle assisted advancement device, comprising: the pressure detection accessory is detachably connected with the lumbar puncture needle; the auxiliary propeller is detachably connected with the pressure detection accessory and is in communication connection with the pressure detection accessory. This application provides power for the pjncture needle through advancing device for the pjncture needle can be easily passed skin and hyperplasia sclerotin, and the condition that the needle point can askew fall or medical personnel are difficult to the application of force puncture when having avoided the pjncture needle to get into. The pressure detection accessory in this application can real-time detection pressure, can reduce unnecessary the running off of cerebrospinal fluid moreover, influence to human health when reducing the puncture in the at utmost.
Description
Technical Field
The invention belongs to the field of medical appliances, and particularly relates to a lumbar puncture needle auxiliary propulsion device.
Background
In the clinical diagnosis of neurology, the measurement of cerebrospinal fluid pressure and the sampling of cerebrospinal fluid samples are common diagnosis and treatment methods, and the currently common cerebrospinal fluid sampling method is to perform pressure measurement or sampling by using a puncture needle and a disinfection catheter. However, in actual operation, a medical worker manually punctures the puncture needle into the spinal suture of the patient during the puncturing process, but the puncture needle is thin and low in hardness, and when the medical worker punctures the skin, the skin of some patients is high in toughness, and the puncture needle may be bent outside the skin. Some patients have the problem of lumbar disc herniation or hyperosteogeny, so even if the puncture is successfully performed to the subcutaneous part, the puncture needle is still difficult to puncture due to small spinal sutures or bone blockage, and even the needle breakage is possibly caused.
Disclosure of Invention
Aiming at the technical problems, the invention provides an auxiliary propelling device for a lumbar puncture needle.
In order to achieve the purpose, the invention adopts the technical scheme that the auxiliary propelling device for the lumbar puncture needle comprises: the pressure detection accessory is detachably connected with the lumbar puncture needle; the auxiliary propeller is detachably connected with the pressure detection accessory and is in communication connection with the pressure detection accessory.
Preferably, the pressure detection fitting includes: one end of the accessory body is detachably connected with one end of the lumbar puncture needle positioned outside the body, and the other end of the accessory body is detachably connected with the auxiliary propeller; the power supply module is arranged in the accessory body; the pressure sensor is arranged in the accessory body and is electrically connected with the power supply module; the communication module is arranged on the weight of the accessory, is electrically connected with the pressure sensor and is in communication connection with the auxiliary propeller; and the drainage structure is arranged in the accessory body and is used for controlling the outflow of cerebrospinal fluid.
Preferably, the auxiliary thruster comprises: the main body shell is a cavity shell and is used for packaging the integral structure of the auxiliary propeller; one end of the guide tube is fixedly connected with the main body shell and communicated with the interior of the main body object, and the other end of the guide tube is provided with a rubber buffer cap; the side wall of the guide pipe is provided with a groove-shaped through hole for detaching the accessory body from the auxiliary propeller; the power-assisted structure is arranged in the subject object and is in sliding connection with the subject object; the processor is arranged in the main body shell, is electrically connected with the power supply module and is in communication connection with the pressure detection accessory; a power module installed in the main body case; and the pressure display is arranged on the main body shell, is electrically connected with the processor and is used for displaying the pressure value of the pressure detection fitting.
Preferably, the main body shell is also provided with a sliding chute, the sliding chute and the guide tube are positioned on the same straight line, and one end of the sliding chute is communicated with the guide tube; and limiting plates are further arranged on two sides of the sliding groove and fixedly connected with the sliding groove.
Preferably, the boosting structure comprises: the thimble is arranged in the sliding groove and is in sliding connection with the sliding groove, one end of the thimble is detachably connected with the other end of the accessory body, and the other end of the thimble is in a frosted state; the limiting stopper is arranged on the thimble and is detachably connected with the thimble; distance scales are engraved on the main body shell around the limiter; the power structure is arranged at the other end of the sliding chute and is fixedly connected with the sliding chute; the trigger structure is installed at the bottom of the sliding groove and hinged with the sliding groove.
Preferably, the trigger structure is a trigger, the action end of the trigger is positioned in the sliding groove, the triggering end of the trigger is positioned outside the sliding groove, and the triggering end is hinged with the sliding groove through the connecting part of the action end and the triggering end.
Preferably, the stopper includes: one surface of the sanding semi-ring is a sanding surface which is sleeved on the thimble and positioned between the limiting plate and the other end of the sliding chute; the limiting ring is sleeved on the sanding half ring and is connected with the sanding half ring in a sliding manner; the first limiting clamping plate is arranged on the other surface of the limiting ring, is positioned on two sides of the limiting ring, is at the same height with the limiting plate, and is fixedly connected with the limiting ring; the adjusting bolt is in threaded connection with two ends of the frosted semi-ring; and the second limiting clamping plate is positioned opposite to the adjusting bolt, is fixedly connected with the other surface of the limiting ring, and is positioned on the same straight line with the action end of the trigger.
Preferably, the power structure comprises: the spring is arranged along the sliding groove, one end of the spring is fixedly connected with the other end of the sliding groove, and the diameter of the spring is larger than that of the thimble; the loading auxiliary part is arranged in the sliding groove and is in sliding connection with the sliding groove, so that the loading auxiliary part is positioned in the sliding groove, and one end of the loading auxiliary part is positioned outside the sliding groove.
Preferably, the loading aid comprises: the rectangular frame body is positioned in the slideway and is in sliding connection with the bottom surface of the slideway; one end of the drawing handle is fixedly connected with the other end of the rectangular frame body and is positioned outside the slide way; the third limiting clamping plate is vertically arranged at the other end of the rectangular frame body and is fixedly connected with the rectangular frame body; the other end of the rectangular frame body is provided with a one-way switch; two ends of the one-way switch are hinged with the end parts of two side edges of the rectangular frame body, and the middle of the one-way switch can be opened towards the inner side of the rectangular frame body; and one surface of the third limiting clamping plate facing the spring is provided with a plurality of conical needles.
Preferably, the first limiting plate is provided with a plurality of small holes matched with the conical needles.
The beneficial effects created by the invention are as follows: this application provides power for the pjncture needle through advancing device for the pjncture needle can be easily passed skin and hyperplasia sclerotin, and the condition that the needle point can askew fall or medical personnel are difficult to the application of force puncture when having avoided the pjncture needle to get into. The pressure detection accessory in this application can real-time detection pressure, can reduce unnecessary the running off of cerebrospinal fluid moreover, influence to human health when reducing the puncture in the at utmost.
Drawings
In order to more clearly illustrate the invention in its embodiments, reference will now be made briefly to the accompanying drawings, which are to be used in the embodiments. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a schematic view of a coverless structure of an auxiliary propeller
FIG. 2 is a schematic view of the structure of the loading aid
FIG. 3 is a schematic view of a stopper ring structure
FIG. 4 is a schematic view of the connection between the lumbar puncture needle and the pressure detection fitting
FIG. 5 is a schematic view of the communication connection between the pressure detection fitting and the auxiliary thruster
Reference numerals:
1-a pressure detection accessory, 11-a power supply module, 12-a pressure sensor, 13-a communication module, 14-an accessory body, 15-a liquid guide structure, 2-an auxiliary propeller, 21-a power supply module, 22-a processor, 23-a pressure display, 24-a guide tube, 241-a buffer cap, 242-a trough-shaped through hole, 25-a main body shell, 251-a sliding chute, 252-a limiting plate, 26-a thimble, 271-a spring, 272-a loading auxiliary part, 2721-a third limiting clamping plate, 2722-a one-way switch, 2723-a rectangular frame body, 2724-a conical needle, 281-a buckling end, 282-an action end, 29-a limiter, 291-an adjusting bolt, 292-a first limiting clamping plate and 293-a second limiting clamping plate, 294-small hole, 295-frosted half ring, 296-limit ring and 3-lumbar puncture needle.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.
A lumbar puncture needle 3 auxiliary advancing device, comprising: a pressure detection fitting 1 and an auxiliary thruster 2. The pressure detection accessory 1 is detachably connected with the lumbar puncture needle 3. The pressure detection fitting 1 includes: the device comprises a fitting body 14, a pressure sensor 12, a communication module 13, a power supply module 11 and a liquid guide structure 15. One end of the accessory body 14 is detachably connected with one end of the lumbar puncture needle 3 positioned outside the body, and the other end is detachably connected with the auxiliary propeller 2. The power supply module 11 is mounted in the fitting body 14. The pressure sensor 12 is mounted in the fitting body 14 and electrically connected to the power supply module 11. And the communication module 13 is arranged on the fitting body 14, is electrically connected with the pressure sensor 12 and is in communication connection with the auxiliary propeller 2. And a drainage structure 15 installed in the fitting body 14 for controlling the outflow of cerebrospinal fluid.
The auxiliary propeller 2 is detachably connected with the pressure detection fitting 1 and is in communication connection with the pressure detection fitting 1. The auxiliary thruster 2 includes: a body housing 25, a guide tube 24, a booster structure, a processor 22, a power module 21, and a pressure display 23. The main body case 25 is a cavity case for enclosing the entire structure of the auxiliary thruster 2. The main body case 25 is further provided with a sliding groove 251, the sliding groove 251 and the guide tube 24 are located on the same straight line, and one end of the sliding groove 251 is communicated with the guide tube 24. Limiting plates 252 are further arranged on two sides of the sliding groove 251, and the limiting plates 252 are fixedly connected with the sliding groove 251.
One end of the guide tube 24 is fixedly connected to the body housing 25 and communicates with the inside of the subject, and the other end is provided with a rubber buffer cap 241. The side wall of the guide tube 24 is provided with a groove-shaped through hole 242 for detaching the accessory body 14 from the auxiliary thruster 2. The processor 22 is mounted in the main body case 25, electrically connected to the power supply module 21, and communicatively connected to the pressure detection assembly 1. The power module 21 is mounted in the main body case 25. The pressure display 23 is mounted on the main body case 25, electrically connected to the processor 22, and configured to display a pressure value of the pressure detection assembly 1.
The power assisting structure is arranged in the subject object and is connected with the subject object in a sliding manner. Helping hand structure includes: thimble 26, stopper 29, trigger structure and power structure. The thimble 26 is mounted in the sliding groove 251 and is slidably connected to the sliding groove 251, one end of the thimble is detachably connected to the other end of the fitting body 14, and the other end is in a frosted state. The trigger structure is installed at the bottom of the sliding groove 251 and is hinged with the sliding groove 251. The trigger structure is a trigger, the action end 282 of the trigger is positioned in the sliding groove 251, the triggering end 281 of the trigger is positioned outside the sliding groove 251, and the triggering end 282 and the triggering end 281 are hinged with the sliding groove 251 through the connection part.
The stopper 29 is mounted on the thimble 26 and detachably connected to the thimble 26. Distance scales are marked on the main body shell 25 at the periphery of the stopper 29. The stopper 29 includes: the dull polish semi-ring 295, spacing ring 296, first spacing cardboard 292, adjusting bolt 291 and second spacing cardboard 293. One surface of the sanding half ring 295 is a sanding surface, and the sanding surface is sleeved on the thimble 26 and located between the limiting plate 252 and the other end of the sliding groove 251. The stop ring 296 is fitted over the sanding half collar 295 and slidably connected to the sanding half collar 295. The first limit catch plate 292 is installed on the other side of the limit ring 296, is located on both sides of the limit ring 296, is at the same height as the limit plate 252, and is fixedly connected with the limit ring 296. The adjusting bolt 291 is screwed with both ends of the sanding half ring 295. The second limit catch plate 293 is located opposite to the adjusting bolt 291, is fixedly connected to the other side of the limit ring 296, and is aligned with the actuating end 282 of the trigger.
The power structure is arranged at the other end of the sliding groove 251 and is fixedly connected with the sliding groove 251. The power structure includes: a spring 271 and a loading aid 272. The spring 271 is placed along the sliding groove 251, one end of the spring 271 is fixedly connected with the other end of the sliding groove 251, and the diameter of the spring 271 is larger than that of the thimble 26. The loading aid 272 is installed in the slide groove 251 to be slidably connected with the slide groove 251 so as to be located inside the slide groove 251 with one end located outside the slide groove 251.
The loading aid 272 includes: rectangular frame 2723, one way switch 2722, pull handle and third spacing cardboard 2721. The rectangular frame 2723 is located in the slide and is connected with the bottom surface of the slide in a sliding manner. The other end of the rectangular frame 2723 is provided with a one-way switch 2722. Two ends of the one-way switch 2722 are hinged to end portions of two side edges of the rectangular frame 2723, and the middle of the one-way switch 2722 can be opened towards the inner side of the rectangular frame 2723. One end of the pulling handle is fixedly connected with the other end of the rectangular frame 2723 and is positioned outside the slide way. The third limiting snap gauge 2721 is vertically installed at the other end of the rectangular frame 2723 and is fixedly connected with the rectangular frame 2723. The third limiting catch plate 2721 is provided with a plurality of conical needles 2724 on the surface facing the spring 271. The first limiting plate 252 is provided with a plurality of small holes 294 matched with the conical needle 2724.
In practical use, the method comprises the following steps:
1. setting the depth of penetration
The medical staff unscrews the adjusting bolt 291 on the auxiliary propulsion device according to the predicted penetration depth. The free end of the thimble 26 is fixed, and at this time, the stopper 29 slides on the thimble 26 by dragging the adjusting bolt 291, so as to adjust the stopper 29 to the required puncture depth. The adjusting bolt 291 is then tightened so that the retainer 29 is fixed to the thimble 26. When the free end of the thimble 26 is fixed, an object larger than the diameter of the guide tube 24 may be attached to the free end of the thimble 26. Then, the opening of the guide tube 24 is directed upward, so that the thimble 26 can enter the slide groove 251 to the maximum extent, and the puncture depth is set. Compared with the prior art, the puncture depth can be changed, so that medical personnel can better master the needle inserting degree during the needle inserting process, the pain of patients is reduced, and the risk of complication occurrence is reduced.
2. Assembling and loading
After the setting of the puncture depth is completed. The medical staff connects the lumbar puncture needle 3 with the pressure detection accessory 1, and then connects the pressure detection accessory 1 with the free end of the thimble 26. Then the loading auxiliary element 272 is pulled, so that the tapered needle 2724 on the third position-limiting catch plate 2721 is inserted into the small hole 294 of the first position-limiting plate 252, and then the thimble 26 is driven to move backwards, the spring 271 is compressed by the position-limiting device 29, and the second position-limiting catch plate 293 on the position-limiting ring 296 reaches the action end 282 of the trigger structure, and the second position-limiting ring 296 is limited by the action end 282. The loading aid 272 is then pushed back again. During the pushing back process, since the action end 282 is already at the most movable edge, the one-way switch 2722 which would be pushed further to open is pushed to pass the action end 282, and after the action end 282 is passed, the one-way switch 2722 is closed until the third limit catch plate 2721 of the loading auxiliary element 272 contacts the limit plate 252, and then the loading operation is completed. The lumbar puncture needle 3 will now be completely inside the guide tube 24.
When the loading auxiliary member 272 is drawn, the trigger is hinged with the main body shell 25, and other auxiliary limiting structures of the trigger are provided, and the one-way switch 2722 can only be opened towards the inner side of the rectangular frame 2723, so that the one-way switch 2722 bumps the action end 282 down. When the loading auxiliary member 272 reaches the maximum movement distance, the loading auxiliary member 272 is pushed back, and the third limiting catch plate 2721 abuts against the action end 282.
3. Puncture needle
During the puncturing process. The end part of the guide tube 24 with the buffer cap 241 is supported at the position where lumbar puncture is needed, the end part of the guide tube 24 is completely attached to the skin, the trigger is pulled at the moment, the action end 282 moves, the limiting effect on the second limiting clamping plate 293 is finished, and the thimble 26 moves forwards under the driving of the limiter 29 until the conical needle 2724 on the third limiting clamping plate 2721 penetrates into the small hole 294 of the first limiting clamping plate 292. At this time, as the tapered needle 2724 penetrates through the small hole 294 for a longer length, the friction force between the tapered needle and the first limiting catch plate 292 is increased until the first limiting catch plate 292 stops, and the thimble 26 stops. The cooperation of conical needle 2724 and aperture 294 has avoided the frontal collision of third spacing cardboard 2721 with first spacing cardboard 292 for can not produce the bounce-back effect, also can not make the guide tube 24 can produce the impact force to the health simultaneously. Thereby avoiding the problems of the back falling and the excessive penetration of the lumbar puncture needle 3 caused by recoil after entering the human body. Further ensuring the physical safety of the patient.
The arrangement of the guide tube 24 ensures that the guide tube 24 is attached to the skin, and ensures that the end part of the guide tube 24 is attached to the skin so as to ensure that the lumbar puncture needle 3 can vertically enter the skin, thereby avoiding the problem of error in the puncture direction of the lumbar puncture needle 3. The buffer cap 241 can protect the peripheral skin of the patient and reduce the pressure between the guide tube 24 and the skin.
At the same time, the engagement between the tapered needle 2724 and the small hole 294 is relatively tight because the tapered needle 2724 and the small hole 294 are engaged to counteract the impact force. If the tapered needle 2724 is provided on the limiting plate 252, the first limiting catch plate 292 and the limiting plate 252 are difficult to separate during loading, and a large force is required to separate the two limiting catch plates, so that the loading auxiliary member 272 and the second limiting catch plate 293 are likely to slip off, which may result in loading failure or jamming. And even if the problem between the first limit catch plate 292 and the limit plate 252 is not solved, the possibility of the loading failure exists when the elastic force is overcome during the loading process. Therefore, the tapered needle 2724 is arranged on the third limiting clamping plate 2721, and the third limiting clamping plate 2721 is tightly connected with the first limiting clamping plate 292, so that the problem of loading failure can be solved during loading. The back that finishes is loaded to supplementary propeller 2 of this application, needs push back the auxiliary member 272 of loading, because the people is than drawing easier application of force when pushing away the thing, in addition there is the trigger to the restriction of the spacing cardboard 293 of second, so alright with the separation of the spacing cardboard 2721 of first spacing cardboard 292 and third easily. The loading aid 272 is then pushed to the bottom so that the third stopper 2721 abuts the stopper plate 252 for the next cushioning and loading.
4. Sampling
At this time, the thimble 26 is separated from the pressure detection fitting 1 by the groove-shaped through hole 242 of the guide tube 24, and the auxiliary pusher 2 is taken out. At this time, the pressure display 23 can check the pressure value detected by the pressure detection assembly 1 to determine whether the cerebrospinal fluid is punctured. If the position is not reached, the lumbar puncture needle 3 is pushed in by the medical staff manually and slowly, the pressure display 23 is observed all the time, and if the pressure display 23 is changed, the lumbar puncture needle 3 reaches the area where the cerebrospinal fluid is located. If the area in which the cerebrospinal fluid is located has been reached, the pressure display 23 displays the pressure value of the cerebrospinal fluid at the time of the collection.
Then, a sampling operation is performed. When the sampling operation, only need open the drainage structure on the pressure detection accessory 1, draw the cerebrospinal fluid out, after the sample contact, close the drainage structure. And can observe the cerebrospinal fluid change of the patient in real time. Compared with the prior art, the cerebrospinal fluid sampling device reduces the waste of cerebrospinal fluid in the sampling process, and avoids the sequelae problem after the excessive loss of cerebrospinal fluid.
Although supplementary propeller 2 in this application belongs to the rifle formula, because the target problem to, and the needle inserting distance that needs waist to wear needle 3 is controllable, so this application does not adopt the transmission mode, but passes through pressure detection accessory 1 with waist to wear needle 3 and thimble 26 and be connected, provides thrust and impact force for waist is worn needle 3 by supplementary propeller 2 for the depth of waist is worn needle 3 and is advanced controllable. In addition, since the lumbar puncture needle 3 cannot enter the human body completely in the actual operation, a part of the lumbar puncture needle is necessarily outside the body, but the sampling, pressure measurement and other operations can be completed only after the part outside the body is separated from the thimble 26. In addition, when the lumbar puncture needle 3 is separated from the thimble 26, it is necessary to ensure that the lumbar puncture needle 3 does not move or rotate in the body, so that the groove-shaped through hole 242 is formed in the side wall of the guide tube 24 to facilitate the separation of the lumbar puncture needle 3 from the thimble 26.
This application provides power for the pjncture needle through advancing device for the pjncture needle can be easily passed skin and hyperplasia sclerotin, and the condition that the needle point can askew fall or medical personnel are difficult to the application of force puncture when having avoided the pjncture needle to get into. Pressure detection accessory 1 in this application can real-time detection pressure, can reduce unnecessary the running off of cerebrospinal fluid moreover, influence to human health when reducing the puncture to the at utmost.
The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solution depart from the scope of the technical solution of the embodiments of the present invention, and the technical solution is covered by the claims and the specification of the present invention.
Claims (10)
1. A lumbar puncture needle auxiliary propulsion device is characterized by comprising:
the pressure detection accessory is detachably connected with the lumbar puncture needle;
the auxiliary propeller is detachably connected with the pressure detection accessory and is in communication connection with the pressure detection accessory.
2. The auxiliary lumbar puncture needle advancing device according to claim 1, wherein the pressure detection fitting comprises:
one end of the accessory body is detachably connected with one end of the lumbar puncture needle positioned outside the body, and the other end of the accessory body is detachably connected with the auxiliary propeller;
the power supply module is arranged in the accessory body;
the pressure sensor is arranged in the accessory body and is electrically connected with the power supply module;
the communication module is arranged on the weight of the accessory, is electrically connected with the pressure sensor and is in communication connection with the auxiliary propeller;
and the drainage structure is arranged in the accessory body and is used for controlling the outflow of cerebrospinal fluid.
3. The auxiliary pushing device for the lumbar puncture needle as claimed in claim 2, wherein the auxiliary pushing device comprises:
the main body shell is a cavity shell and is used for packaging the integral structure of the auxiliary propeller;
one end of the guide tube is fixedly connected with the main body shell and communicated with the interior of the main body object, and the other end of the guide tube is provided with a rubber buffer cap;
the side wall of the guide pipe is provided with a groove-shaped through hole for detaching the accessory body from the auxiliary propeller;
the power-assisted structure is arranged in the subject object and is in sliding connection with the subject object;
the processor is arranged in the main body shell, is electrically connected with the power supply module and is in communication connection with the pressure detection accessory;
a power module installed in the main body case;
and the pressure display is arranged on the main body shell, is electrically connected with the processor and is used for displaying the pressure value of the pressure detection fitting.
4. The auxiliary propelling device for the lumbar puncture needle according to claim 3, wherein a sliding groove is further arranged in the main body shell, the sliding groove and the guide tube are in the same straight line, and one end of the sliding groove is communicated with the guide tube; and limiting plates are further arranged on two sides of the sliding groove and fixedly connected with the sliding groove.
5. The auxiliary propelling device for the lumbar puncture needle as claimed in claim 4, wherein the boosting structure comprises:
the thimble is arranged in the sliding groove and is in sliding connection with the sliding groove, one end of the thimble is detachably connected with the other end of the accessory body, and the other end of the thimble is in a frosted state;
the limiting stopper is arranged on the thimble and is detachably connected with the thimble;
distance scales are engraved on the main body shell around the limiter;
the power structure is arranged at the other end of the sliding chute and is fixedly connected with the sliding chute;
the trigger structure is installed at the bottom of the sliding groove and hinged with the sliding groove.
6. The auxiliary propelling device for the lumbar puncture needle according to claim 5, wherein the triggering structure is a trigger, the action end of the trigger is positioned in the chute, the triggering end of the trigger is positioned outside the chute, and the triggering end is hinged with the chute through the joint of the action end and the triggering end.
7. The auxiliary pushing device for the lumbar puncture needle as claimed in claim 6, wherein the stopper comprises:
one surface of the sanding semi-ring is a sanding surface which is sleeved on the thimble and positioned between the limiting plate and the other end of the sliding chute;
the limiting ring is sleeved on the sanding half ring and is connected with the sanding half ring in a sliding manner;
the first limiting clamping plate is arranged on the other surface of the limiting ring, is positioned on two sides of the limiting ring, is at the same height with the limiting plate, and is fixedly connected with the limiting ring;
the adjusting bolt is in threaded connection with two ends of the frosted semi-ring;
and the second limiting clamping plate is positioned opposite to the adjusting bolt, is fixedly connected with the other surface of the limiting ring, and is positioned on the same straight line with the action end of the trigger.
8. The auxiliary pushing device for lumbar puncture needle as claimed in claim 7, wherein the power structure comprises:
the spring is arranged along the sliding groove, one end of the spring is fixedly connected with the other end of the sliding groove, and the diameter of the spring is larger than that of the thimble;
the loading auxiliary part is arranged in the sliding groove and is in sliding connection with the sliding groove, so that the loading auxiliary part is positioned in the sliding groove, and one end of the loading auxiliary part is positioned outside the sliding groove.
9. The auxiliary pushing device for lumbar puncture needle as claimed in claim 8, wherein the loading aid comprises:
the rectangular frame body is positioned in the slideway and is in sliding connection with the bottom surface of the slideway;
one end of the drawing handle is fixedly connected with the other end of the rectangular frame body and is positioned outside the slide way;
the third limiting clamping plate is vertically arranged at the other end of the rectangular frame body and is fixedly connected with the rectangular frame body;
the other end of the rectangular frame body is provided with a one-way switch;
two ends of the one-way switch are hinged with the end parts of two side edges of the rectangular frame body, and the middle of the one-way switch can be opened towards the inner side of the rectangular frame body;
and one surface of the third limiting clamping plate facing the spring is provided with a plurality of conical needles.
10. The auxiliary propelling device for the lumbar puncture needle as claimed in claim 9, wherein the first limiting plate is provided with a plurality of small holes matched with the conical needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158278.1A CN112842408B (en) | 2021-02-04 | 2021-02-04 | Auxiliary propelling device for lumbar puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158278.1A CN112842408B (en) | 2021-02-04 | 2021-02-04 | Auxiliary propelling device for lumbar puncture needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112842408A true CN112842408A (en) | 2021-05-28 |
| CN112842408B CN112842408B (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110158278.1A Active CN112842408B (en) | 2021-02-04 | 2021-02-04 | Auxiliary propelling device for lumbar puncture needle |
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Cited By (1)
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| CN115998388A (en) * | 2023-02-27 | 2023-04-25 | 迈德微创(天津)医疗器械有限责任公司 | Cerebrospinal fluid pressure measuring device and method for lumbar puncture |
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| CN112842408B (en) | 2022-11-01 |
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