CN111150462A - Auxiliary device for epidural anesthesia needle placement - Google Patents
Auxiliary device for epidural anesthesia needle placement Download PDFInfo
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- CN111150462A CN111150462A CN202010096939.8A CN202010096939A CN111150462A CN 111150462 A CN111150462 A CN 111150462A CN 202010096939 A CN202010096939 A CN 202010096939A CN 111150462 A CN111150462 A CN 111150462A
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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
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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
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/50—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
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Abstract
The invention relates to an auxiliary device for epidural anesthesia needle placement, which comprises: the device comprises a needle placing unit (1), a guiding movement unit (2) for driving the needle placing unit (1) to move, and a control unit (3) for supporting and controlling the guiding movement unit (2), wherein the needle placing unit (1) and the control unit (3) are electrically connected with each other; the needle placing unit (1) comprises: the device comprises a first support (11) used for being connected with the guide motion unit (2), a second support (12) connected with the first support (11) in a sliding mode, a needle placing component (13) connected with the second support (12) in a sliding mode, and a first drive (14) arranged on the first support (11) and used for driving the second support (12) to move. The scheme of the invention can carry out multidimensional real-time monitoring on the puncture process, and realize automatic, accurate and safe needle placement and puncture operation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an auxiliary device for epidural anesthesia needle placement.
Background
Epidural anesthesia has been used clinically for more than 90 years, and has been gradually perfected through continuous practice and research, becoming a common method in clinical anesthesia at present. Compared with general anesthesia, the epidural anesthesia has lower morbidity of pulmonary embolism, deep vein thrombosis, pneumonia, myocardial infarction, wound infection and respiratory depression caused by the epidural anesthesia, has small influence on various organs of the whole body and has better economy. However, clinically, epidural anesthesia still adopts bare probe free-hand operation, doctors rely on subjective perception to identify epidural space, so that uncertainty exists in positioning of a puncture needle and a catheter, anesthesia controllability is poor, complications occur frequently, and clinical application of the method is limited.
In the prior art, the technology of 'blind probe manual operation' refers to a technical means that an anesthesiologist recognizes that an epidural space is reached by sensing disappearance of epidural resistance through a finger, and the success rate mainly depends on clinical experience of the anesthesiologist based on subjective judgment. In actual clinics, due to the lack of a unified evaluation standard for epidural anesthesia effect, the clinical epidural anesthesia failure rate is underestimated all the time. "blind probe hand operation" may lead to the following: the epidural needle is incorrect, the position of the catheter needs to be changed for the second time after positioning, the dosage of local anesthetic is larger, the positioning deviation of a puncture point is large, a patient keeps an uncomfortable position for a long time, and the like, so that the final anesthetic effect is influenced to different degrees and the discomfort experience is brought to the patient.
In addition, even experienced anesthesiologists have a certain failure rate under the "blind probleman hand-operated" technique. Especially in the elderly patients, spinal stenosis, epidural space narrowing, ligamentum flavum calcification and the like often make epidural anesthesia puncture and catheterization very difficult.
In recent decades, except for the improvement of the anesthesia puncture package, no great improvement and development exist in terms of the operation level of the epidural anesthesia technology, no good solution exists in the 'ideal epidural space positioning technology based on objective indications', and the defects existing in the manual operation become the main technical bottleneck of the epidural anesthesia.
Disclosure of Invention
The invention aims to provide an auxiliary device for epidural anesthesia needle placement, which solves the problem that an anesthesiologist is difficult to puncture accurately.
In order to achieve the above object, the present invention provides an auxiliary device for an epidural anesthesia needle placement, comprising: the needle placing unit is used for driving the guide motion unit of the needle placing unit to move, and the control unit is used for supporting and controlling the guide motion unit, and the needle placing unit and the control unit are electrically connected with each other;
the needle placing unit comprises: the device comprises a first support, a second support, a needle placing assembly and a first drive, wherein the first support is used for being mutually connected with the guide motion unit, the second support is in sliding connection with the first support, the needle placing assembly is in sliding connection with the second support, and the first drive is arranged on the first support and used for driving the second support to move.
According to one aspect of the invention, the direction of movement of the needle placement assembly on the second support is parallel to the direction of movement of the second support on the first support.
According to one aspect of the invention, the first drive drives the second bearing to linearly reciprocate on the first bearing;
the needle placing assembly linearly reciprocates on the second support.
According to one aspect of the invention, the needle placement assembly is provided with a pressure sensor;
the second support is provided with a first limit position which can be abutted against the pressure sensor and a second limit position which is used for limiting the moving position of the needle placing component, wherein the first limit position and the second limit position are opposite to each other along the moving direction of the needle placing component.
According to one aspect of the invention, the needle placement assembly further comprises: a third support for sliding connection with the second support, a fourth support for detachable connection with the third support, and a puncture needle mounted on the fourth support.
According to an aspect of the present invention, an interval between the first stopper and the second stopper is L1, and a distance between an end of the pressure sensor adjacent to the first stopper and an end of the third support adjacent to the second stopper is L2, L1 ≧ L2 is satisfied.
According to one aspect of the invention, a sound detection module is arranged on the side of the fourth bearing close to the puncture needle.
According to an aspect of the invention, the third bearing is snap-connected with the fourth bearing;
the puncture needle is connected with the fourth support buckle.
According to one aspect of the invention, the needle includes a piercing portion and a core portion;
the puncture part is a hollow cylinder, and the stylet part is detachably arranged in the hollow part of the puncture part coaxially with the puncture part;
one end of the needle core part is provided with a first structural member, and one end of the puncture part adjacent to the first structural member is adjacent to the sound detection module.
According to one aspect of the invention, an electrical conductor is provided on the fourth support for electrical interconnection of the control unit and the piercing portion;
an insulating layer is arranged on the outer surface of the puncturing part.
According to one aspect of the invention, the insulating layer is a teflon coating.
According to an aspect of the invention, the first driving includes: the power source and the screw nut pair are integrally arranged with the power source main shaft.
According to one scheme of the invention, the method can fully simulate the manual puncture technique, and based on clinical experiences such as a resistance disappearance method, a negative pressure method, a human nerve electrophysiological reaction and the like, and in combination with an intraoperative image positioning technology, a multi-sensing technology, an electrophysiological monitoring technology and a micro-mechanical control technology, the puncture process is monitored in real time in multiple dimensions, so that automatic, accurate and safe needle placement and puncture operation is realized.
According to the scheme of the invention, a multi-sensor technology is adopted, so that the puncture process and the judgment after the puncture is finished are scientifically and reliably detected, and the possibility of misjudgment is greatly reduced. In addition, myoelectric physiological monitoring is added in the puncture process, so that the case of serious consequences such as total spinal anesthesia and the like caused by puncture failure is avoided.
According to one scheme of the invention, the puncture depth can be accurately controlled, and the clinical experience of an anesthesiologist is not depended on. According to the scheme of the invention, the real-time monitoring and control of the puncture process can be realized by the pressure monitoring, myoelectric physiological monitoring, electric signal monitoring and step control technologies, and when the puncture needle punctures ligamentum flavum and reaches the epidural space, the needle placement mechanism can not generate overshoot, so that the puncture depth can be accurately controlled.
According to one scheme of the invention, the conductivity of the current tissue is detected in real time by an electric signal detection sensor through a conductor connected to the puncture needle, the current puncture tissue is simulated according to a conductivity database, the real-time puncture position of the puncture needle can be simulated, meanwhile, the current puncture position of the puncture needle is calculated in real time through the advancing path and distance of the needle placing unit, pressure data and stepping pulse data, then the simulation data is fused, the real position of the puncture needle after penetrating into the skin is accurately calculated, and the real position is displayed in a system UI interface, so that the accurate visualization of the puncture process is realized.
Drawings
FIG. 1 schematically shows a block diagram of an auxiliary device according to an embodiment of the invention;
FIG. 2 schematically shows a block diagram of a needle placement unit according to an embodiment of the invention;
FIG. 3 schematically illustrates an exploded view of a needle deployment unit in accordance with an embodiment of the present invention;
FIG. 4 is a schematic representation of a connection configuration of a first support to a second support according to an embodiment of the present invention;
FIG. 5 is a schematic view showing a structure of a connection of a third support with a second support according to an embodiment of the present invention;
fig. 6 schematically shows a cross-sectional view of a connection structure of a third support and a second support according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In describing embodiments of the present invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship that is based on the orientation or positional relationship shown in the associated drawings, which is for convenience and simplicity of description only, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above-described terms should not be construed as limiting the present invention.
The present invention is described in detail below with reference to the drawings and the specific embodiments, which are not repeated herein, but the embodiments of the present invention are not limited to the following embodiments.
Referring to fig. 1, 2 and 3, according to one embodiment of the present invention, an auxiliary device for an epidural anesthesia needle comprises: the device comprises a needle placing unit 1, a guide motion unit 2 used for driving the needle placing unit 1 to move, and a control unit 3 used for supporting and controlling the guide motion unit 2, wherein the needle placing unit 1 and the control unit 3 are electrically connected with each other. In the present embodiment, the needle placement unit 1 includes: a first support 11 for interconnecting with the guiding movement unit 2, a second support 12 slidably connected with the first support 11, a needle placing assembly 13 slidably connected with the second support 12, and a first drive 14 provided on the first support 11 for driving the second support 12 to move. In the embodiment, the control unit 3 can control the guide motion unit 2 to drive the needle placing unit 1 to execute the puncture operation, so as to realize the automation of the puncture process,
referring to fig. 2 and 3, according to one embodiment of the present invention, the moving direction of the needle positioning assembly 13 on the second support 12 is parallel to the moving direction of the second support 12 on the first support 11.
Referring to fig. 2 and 3, according to an embodiment of the present invention, the first driving unit 14 drives the second support 12 to linearly reciprocate on the first support 11. The needle placing component 13 linearly reciprocates on the second support 12, and the needle placing component 13 and the second support 12 are not driven by power elements. In the present embodiment, the first drive 14 includes: a power source 141 and a lead screw nut pair 142. The first drive 14 can be a linear drive device formed by connecting a stepping motor with a screw nut pair, and a main shaft of the stepping motor and the screw nut pair are integrated. Of course, the first drive 14 may also be implemented directly by an integral drive such as an electric cylinder. Through the arrangement, the main shaft of the stepping motor is the ball screw, so that in the process of driving the screw rod to rotate, traditional parts such as a coupler are reduced in the middle of the motor, the volume and the rotational inertia of the electric first drive are effectively reduced, and the response speed of the first drive 14 is improved.
Referring to fig. 2, 3, 4, 5 and 6, according to one embodiment of the present invention, the needle assembly 13 is provided with a pressure sensor 131. In the present embodiment, a first stopper 121 that can abut against the pressure sensor 131 and a second stopper 122 that restricts the movement position of the needle assembly 13 are provided on the second support 12 so as to face each other in the movement direction of the needle assembly 13. In this embodiment, when the first drive 14 drives the second support 12 to move forward, if the needle assembly 13 receives a resistance force from the front, and then the needle assembly 13 moves backward under the resistance force until the pressure sensor 131 abuts against the first limit 121, at this time, the first drive 14 continues to drive the second support 12 to move forward, the pressure sensor 131 converts the received resistance force into an electrical signal and outputs the electrical signal to the control unit 3, and further, the change of the resistance force received by the needle assembly 13 during the puncturing process can be known through the conversion of the control unit 3. When the first drive 14 drives the second support 12 to move backwards, if the needle assembly 13 receives a frictional resistance opposite to the moving direction, the needle assembly 13 moves in a direction close to the second limit 122 until abutting against the second limit 122, the first drive 14 continues to drive the second support 12 to move backwards, and under the abutting action of the second limit 122, the resistance received by the needle assembly 13 can be conveniently overcome to enable the needle assembly to continue to move backwards along with the first drive 14.
Referring to fig. 2 and 3, according to an embodiment of the present invention, the needle assembly 13 further includes: a third support 132 for slidably coupling with the second support 12, a fourth support 133 for detachably coupling with the third support 132, and a puncture needle 134 mounted on the fourth support 133. In the present embodiment, the third bearing 132 is snap-coupled with the fourth bearing 133; the puncture needle 134 is snap-coupled to the fourth bearing 133. Through the arrangement, the third support 132, the fourth support 133 and the puncture needle 134 can be conveniently and quickly disassembled and replaced, and the disassembling and replacing efficiency is improved. Meanwhile, the positioning precision is higher by adopting a buckling connection mode, so that the puncture accuracy of the invention is further ensured.
Referring to fig. 2 and 3, according to an embodiment of the present invention, the third support 132 is slidably connected to the second support 12 through a sliding guide. The fourth bearing 133 includes a connection plate 1331 and a support plate 1332 that are disposed perpendicular to each other. In the present embodiment, the connection plate 1331 is snap-fitted to the third support 132, and the puncture needle 134 is snap-fitted to the support plate 1332. In this embodiment, the support plate 1332 is located on the side of the attachment plate 1331, and the puncture needle 134 is located on the same side of the attachment plate 1331 as the support plate 1332.
Referring to fig. 2 and 3, according to an embodiment of the present invention, a sound detection module 1231 is disposed on the fourth bearing 133. In this embodiment, the sound detection module 1231, the puncture needle 134, and the support plate 1332 are on the same side of the connection plate 1331. Among them, the sound detection module 1231 is directly mounted on the surface of the connection plate 1331, and the sound detection module 1231 and the puncture needle 134 are spaced apart from each other in the thickness direction of the connection plate 1331.
Referring to fig. 2 and 3, according to one embodiment of the present invention, the needle 134 includes a piercing portion 1341 and a core portion 1342. In the present embodiment, the puncture portion 1341 is a hollow cylindrical body, and the hub portion 1342 is detachably provided in the hollow portion of the puncture portion 1341 coaxially with the puncture portion 1341. The stylet portion 1342 is a solid cylindrical body, and the hollow portion of the puncture portion 1341 can be blocked by inserting the stylet portion 1342 into the puncture portion 1341, thereby ensuring that the puncture portion 1341 is not communicated with the external environment during the puncture process of the puncture needle 134. When the stylet portion 1342 is to be removed, it is only necessary to grip one end of the stylet portion 1342 and pull it out of the piercing portion 1341.
As shown in fig. 2 and 3, in the present embodiment, a first structural member 1342a is provided at one end of the hub portion 1342, and the sound detection module 1231 is adjacent to one end of the puncture portion 1341 adjacent to the first structural member 1342 a. In this embodiment, the first structure 1342a is disposed on the stylet portion 1342, so that the stylet portion 1342 inserted into the puncturing portion 1341 can be conveniently pulled out, and in addition, by abutting the first structure 1342a against the puncturing portion 1341, the sealing effect of the stylet portion 1342 on the hollow portion of the puncturing portion 1341 can be effectively improved, and the usability of the present invention is ensured.
Referring to fig. 2 and 3, according to an embodiment of the present invention, an electrical conductor for electrically connecting the control unit 3 and the piercing part 1341 to each other is provided on the fourth support 133; an insulating layer is provided on the outer surface of the piercing portion 1341. In this embodiment, the insulating layer is a teflon coating. In this embodiment, the piercing part 1341 is made of a metal material, and an insulating layer is further disposed on the outer surface of the piercing part 1341, so that the needle end of the piercing part 1341 is electrically conductive and other parts are insulated. Meanwhile, the Teflon coating has the effects of lubrication and the like, so that the puncture effect of the invention is better. In this embodiment, the fourth support 133 is provided with an electrical conductor for electrically connecting the control unit 3 and the puncturing part 1341, so that electrophysiological monitoring of the puncturing position is achieved, specifically, when the puncturing part 1341 touches a nerve root, an electrical signal at the needle end stimulates the nerve, so that the control unit 3 can make a corresponding response and control the puncturing part 1341 to stop moving, and the safety, accuracy and stability of the puncturing process are ensured.
According to an embodiment of the present invention, the distance between the first stopper 121 and the second stopper 122 is L1, and the distance between the end of the pressure sensor 131 abutting the first stopper 121 and the end of the third support 132 abutting the second stopper 122 is L2, so that L1 ≧ L2 is satisfied. In the present embodiment, the distance between the first limit 121 and the second limit 122 is L1, the distance between the end of the pressure sensor 131 close to the first limit 121 and the end of the third support 132 close to the second limit 122 is L2, the difference between L1 and L2 is less than or equal to 0.05mm, and L1-L2 is less than or equal to 0.05 mm. In the present embodiment, if the processing precision between the structures is high, the smaller the difference between L1 and L2, the better, so that the accuracy and precision of the puncturing process of the present invention can be ensured.
According to one embodiment of the invention, the guiding movement unit 2 is a laser guiding system, which has the function of surgical planning. In the present embodiment, the needle placement unit 1 performs a puncture operation along a previously planned path by the guide movement unit 2.
According to the invention, the sound detection module is arranged on the fourth support, when the puncture needle of the invention enters an object and the needle core part is drawn out, due to the negative pressure generated between the external environment and the hollow part of the puncture part, the sound detection module can effectively and quickly detect the moment when the needle core part is drawn out from the puncture part, and the sound detection module can quickly and accurately detect the quality of the puncture effect according to the detected sound, so that the device can effectively and mostly evaluate the puncture result.
According to the invention, the puncture needle is electrified, and the insulating layer is arranged on the outer surface of the puncture needle, so that the needle end of the puncture needle is conductive, and further the puncture needle can obtain a corresponding puncture position according to an electric signal of the needle end. Therefore, the puncture precision of the invention is further effectively improved according to the scheme of the invention.
The foregoing is merely exemplary of particular aspects of the present invention and devices and structures not specifically described herein are understood to be those of ordinary skill in the art and are intended to be implemented in such conventional ways.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. An auxiliary device for epidural anesthesia needle placement, comprising: the device comprises a needle placing unit (1), a guiding movement unit (2) for driving the needle placing unit (1) to move, and a control unit (3) for supporting and controlling the guiding movement unit (2), wherein the needle placing unit (1) and the control unit (3) are electrically connected with each other;
the needle placing unit (1) comprises: the device comprises a first support (11) used for being connected with the guide motion unit (2), a second support (12) connected with the first support (11) in a sliding mode, a needle placing component (13) connected with the second support (12) in a sliding mode, and a first drive (14) arranged on the first support (11) and used for driving the second support (12) to move.
2. The assistance device according to claim 1, characterized in that the direction of movement of said needle placement assembly (13) on said second support (12) is parallel to the direction of movement of said second support (12) on said first support (11).
3. Auxiliary device according to claim 2, characterized in that said first drive (14) drives said second support (12) in a linear reciprocating movement on said first support (11);
the needle placing component (13) is linearly reciprocated on the second support (12).
4. Auxiliary device according to any of claims 1 to 3, characterized in that the needle placement assembly (13) is provided with a pressure sensor (131);
a first limit (121) which can be abutted against the pressure sensor (131) and a second limit (122) which is used for limiting the moving position of the needle placing component (13) are oppositely arranged on the second support (12) along the moving direction of the needle placing component (13).
5. The assistance device according to claim 4, characterized in that said needle placement assembly (13) further comprises: a third support (132) for sliding connection with the second support (12), a fourth support (133) for detachable connection with the third support (132), and a puncture needle (134) mounted on the fourth support (133).
6. Auxiliary device according to claim 5, characterized in that the spacing between the first limit (121) and the second limit (122) is L1, and the distance between the end of the pressure sensor (131) against the first limit (121) and the end of the third support (132) against the second limit (122) is L2, then L1 ≧ L2 is satisfied.
7. Assist device according to claim 5 or 6, characterized in that the side of the fourth bearing (133) which is situated close to the puncture needle (134) is provided with a sound detection module (1231).
8. Auxiliary device according to claim 7, characterized in that said third support (132) is snap-connected with said fourth support (133);
the puncture needle (134) is connected with the fourth support (133) in a buckling mode.
9. The supplemental device of claim 8, wherein the puncture needle (134) includes a puncture portion (1341) and a stylet portion (1342);
the puncture part (1341) is a hollow cylindrical body, and the stylet part (1342) is detachably arranged in the hollow part of the puncture part (1341) coaxially with the puncture part (1341);
one end of the stylet portion (1342) is provided with a first structural member (1242a), and one end of the puncture portion (1341) adjacent to the first structural member (1242a) is adjacent to the sound detection module (1231).
10. Auxiliary device according to claim 9, characterized in that said fourth support (133) is provided with electrical conductors for the mutual electrical connection of said control unit (3) and said piercing portion (1341);
an insulating layer is disposed on an outer surface of the piercing portion (1341).
11. Auxiliary device according to claim 10, characterized in that the insulating layer is a teflon coating.
12. Auxiliary device according to claim 1, characterized in that said first drive (14) comprises: the power source (141), and with the screw nut pair (142) that power source (141) main shaft set up integratively.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010096939.8A CN111150462A (en) | 2020-02-17 | 2020-02-17 | Auxiliary device for epidural anesthesia needle placement |
| PCT/CN2021/075507 WO2021164577A1 (en) | 2020-02-17 | 2021-02-05 | Auxiliary device and auxiliary method for epidural anesthesia needle placement |
| US17/869,986 US20220354534A1 (en) | 2020-02-17 | 2022-07-21 | Auxilliary device and auxilliary method for epidural anesthesia needle placement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010096939.8A CN111150462A (en) | 2020-02-17 | 2020-02-17 | Auxiliary device for epidural anesthesia needle placement |
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| Publication Number | Publication Date |
|---|---|
| CN111150462A true CN111150462A (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010096939.8A Pending CN111150462A (en) | 2020-02-17 | 2020-02-17 | Auxiliary device for epidural anesthesia needle placement |
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| CN (1) | CN111150462A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842408A (en) * | 2021-02-04 | 2021-05-28 | 中国人民解放军陆军军医大学第一附属医院 | Auxiliary propelling device for lumbar puncture needle |
| WO2021164577A1 (en) * | 2020-02-17 | 2021-08-26 | 杭州三坛医疗科技有限公司 | Auxiliary device and auxiliary method for epidural anesthesia needle placement |
-
2020
- 2020-02-17 CN CN202010096939.8A patent/CN111150462A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021164577A1 (en) * | 2020-02-17 | 2021-08-26 | 杭州三坛医疗科技有限公司 | Auxiliary device and auxiliary method for epidural anesthesia needle placement |
| CN112842408A (en) * | 2021-02-04 | 2021-05-28 | 中国人民解放军陆军军医大学第一附属医院 | Auxiliary propelling device for lumbar puncture needle |
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