CN114052849A - Epidural anesthesia robot needle placement mechanism - Google Patents
Epidural anesthesia robot needle placement mechanism Download PDFInfo
- Publication number
- CN114052849A CN114052849A CN202010762034.XA CN202010762034A CN114052849A CN 114052849 A CN114052849 A CN 114052849A CN 202010762034 A CN202010762034 A CN 202010762034A CN 114052849 A CN114052849 A CN 114052849A
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- Prior art keywords
- needle
- anesthesia
- placement mechanism
- robot
- epidural anesthesia
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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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/70—Manipulators specially adapted for use in surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
- A61B2034/305—Details of wrist mechanisms at distal ends of robotic arms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention relates to an epidural anesthesia robot needle placement mechanism which comprises a locking device (1) and an anesthesia puncture needle (2), wherein the locking device (1) comprises a fixed part (11) and a switching part (12), the switching part (12) can rotate relative to the fixed part (11) along the direction vertical to the central axis of the fixed part (11), a mounting hole (3) penetrating through the fixed part (11) and the switching part (12) is formed in the locking device (1), and the anesthesia puncture needle (2) extends into the mounting hole (3); the switching part (12) is also provided with a locking groove (121) which is connected with the mounting hole (3) and is matched with the anesthetic needle (2). The epidural anesthesia robot needle placement mechanism provided by the invention has the advantages that the replacement of the anesthesia puncture needle is convenient and rapid, compared with a screw connection mode in the prior art, the consistency of repeated installation of the anesthesia puncture needle can be ensured, and the adverse effect of assembly errors on puncture operation is avoided.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an epidural anesthesia robot needle placement mechanism.
Background
Epidural anesthesia has been used clinically for more than 90 years and has become a common method in clinical anesthesia through continuous practice and research. Compared with general anesthesia, epidural anesthesia causes lower morbidity of pulmonary embolism, deep vein thrombosis, pneumonia, myocardial infarction, wound infection and respiratory depression, has small influence on various organs of the whole body and has better economy. With the development of science and technology, more anesthesia auxiliary machines have appeared clinically to replace the operation of blind probe hands. For example, a nerve block anesthesia robot intelligent auxiliary system disclosed in patent 201810465654.X and a nerve block anesthesia robot disclosed in patent 201910122746.2.
However, in the field of medical safety, the anesthetic push needle or puncture needle used in the anesthetic technique is a disposable product and needs to be replaced after being used once. In the anesthesia robot or the anesthesia robot auxiliary system disclosed in the above patent, the anesthesia pushing needle is fixedly connected or detachably connected to the mechanical arm, which causes inconvenience in replacement of anesthesia pushing, and even causes a problem of low efficiency in that the replacement time of the anesthesia needle is much longer than that of anesthesia puncturing of the entire machine. On the other hand, the anesthesia robot usually has a long service life, and under the condition of long-time work, the existing loading method causes that the installation stability after the replacement of the anesthesia push needle is usually difficult to ensure. Furthermore, the anesthetic push needle itself is a medical product, and if the needle is exposed to air for a long time, there is a risk of contact contamination.
Disclosure of Invention
The invention aims to solve the problems and provides an epidural anesthesia robot needle placement mechanism which solves the problems of complicated replacement operation and low efficiency of an anesthesia puncture needle.
Another object of the invention is to solve the problem of the risk of contamination of the anesthesia needles when exposed to air.
In order to achieve the purpose of the invention, the invention provides a puncture needle quick replacement device for an epidural anesthesia robot, which comprises a locking device and an anesthesia puncture needle, wherein the locking device comprises a fixed part and a switching part, the switching part can rotate relative to the fixed part along the direction vertical to the central axis of the fixed part, the locking device is provided with a mounting hole penetrating through the fixed part and the switching part, and the anesthesia puncture needle extends into the mounting hole;
the adapter part is also provided with a locking groove which is connected with the mounting hole and is matched with the anesthetic needle.
According to one aspect of the invention, the adapter part is provided with a limiting groove, and the fixing part is provided with a limiting piece extending into the limiting groove.
According to one aspect of the invention, the fixing part is further provided with a limiting hole communicated with the mounting hole, and a limiting bolt is mounted in the limiting hole and abuts against the anesthesia puncture needle.
According to one aspect of the invention, the anesthesia puncture needle comprises an outer needle tube and a needle core;
the outer needle tube comprises a first part and a second part which are connected in sequence, and the diameter of the first part is larger than that of the second part;
the locking groove cooperates with the second portion.
According to one aspect of the invention, an end of the first portion remote from the second portion is provided as a tapered configuration;
the limiting bolt is abutted against the conical structure.
According to one aspect of the invention, the outer needle tube is a hollow cylindrical body with a closed front end and an open rear end, the needle core is detachably arranged in the hollow part of the outer needle tube coaxially with the outer needle tube, and the needle core and the outer needle tube are in interference fit.
According to one aspect of the invention, the front end of the outer needle tube is connected with an elastic sealing element which comprises a first elastic sealing part and a second elastic sealing part which are symmetrically arranged and sealed against each other.
According to one aspect of the invention, a needle portion is slidably disposed within the outer needle tube, the needle portion being located between the hub and the resilient seal;
the needle portion can push the elastic sealing piece to extend out of the outer needle tube.
According to one aspect of the invention, a sliding boss is arranged at one end of the needle head part close to the needle core, and a sliding rail corresponding to the sliding boss is arranged on the inner wall of the outer needle tube.
The epidural anesthesia robot needle placement mechanism is connected to a mechanical arm of an anesthesia robot and is provided with a locking device and an anesthesia puncture needle, the locking device comprises an adapter part and a fixing part, the anesthesia puncture needle extends into a mounting hole, the adapter part is rotated to lock and position the anesthesia puncture needle by using a locking groove, and then the locking device is connected with the anesthesia puncture needle.
According to the epidural anesthesia robot needle placement mechanism, when an anesthesia puncture needle extends into the mounting hole, the first part extends out of the mounting hole, and at the moment, a limiting bolt can be arranged in the limiting hole to be abutted against the first part of the anesthesia puncture needle, so that fibers are further conducted on the anesthesia puncture needle, the position precision is ensured, and meanwhile, the stability in the use process is ensured.
According to the anesthesia puncture needle, the conical mechanism is arranged at one end of the first part, which is far away from the second part, namely the end, which is abutted against the limiting bolt, of the first part, so that the limiting bolt is abutted against the conical surface, and the structural stability is further improved.
The diameter of the first part of the outer needle tube is larger than that of the second part, so that after the anesthesia puncture needle extends into the mounting hole, the locking groove on the switching part is matched and locked with the second part, and the diameter of the first part is larger than that of the second part, so that the first part can also play a role in limiting in the horizontal direction, the position precision is further ensured, the position of the anesthesia puncture needle is prevented from being displaced in the using process, and the stability is ensured.
When the anesthesia puncture needle is not used, the needle head part is positioned inside the outer needle tube, and the front end of the needle head part is sealed by the elastic sealing piece, so that the problem that the needle head part is exposed in the air to cause pollution can be avoided. When the puncture needle is used, the needle head part can be ejected out through the needle core for puncture, and after the puncture operation is completed, the needle head part can be placed in the outer needle tube again, so that the risk of injury to a treating person in the subsequent treatment process of the anesthetic needle can be avoided.
Drawings
FIG. 1 schematically shows a block diagram of a locking device according to an embodiment of the invention;
FIG. 2 schematically illustrates a perspective view of a locking device according to one embodiment of the present invention;
FIG. 3 schematically illustrates a schematic view of a spacing hole according to an embodiment of the invention;
figure 4 schematically illustrates a cross-sectional view of an anesthesia needle in accordance with one embodiment of the present invention;
figure 5 shows schematically a sectional view of an anesthesia puncture needle according to the invention in a second state.
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 4, the epidural anesthesia robot needle placement mechanism of the invention comprises a locking device 1 and an anesthesia puncture needle 2, wherein the anesthesia puncture needle 2 is detachably connected with the locking device 1.
In the present invention, the locking device 1 includes a fixing portion 11 and an adaptor portion 12. According to one embodiment of the invention, the fixing portion 11 and the adapter portion 12 are provided in the same shape and have an overall disk-shaped configuration. The adapter part 12 is rotatably connected to the fixing part 12, and specifically, the adapter part 12 is provided to be rotatable in a direction perpendicular to the central axis of the fixing part 11. Taking fig. 2 as an example, the adaptor portion 12 and the fixing portion are both vertically disposed, and the adaptor portion 12 is reciprocally rotatable with respect to the fixing portion 11 by a certain angle in the vertical direction.
As shown in fig. 1, the locking device 1 of the present invention is provided with a mounting hole 3, and the mounting hole 3 is a through hole penetrating through the adapter part 12 and the fixing part 11. When the anesthesia puncture needle 2 is connected with the locking device 1, the anesthesia puncture needle 2 extends into the mounting hole 3. The adapter part 12 of the present invention is further provided with a locking groove 121 connected with the mounting hole 3 for locking the anesthesia puncture needle 2.
The epidural anesthesia robot needle placement mechanism comprises the following connection processes of an anesthesia puncture needle 2 and a locking device 1: firstly, the anesthesia puncture needle 2 extends into the mounting hole 3, then the switching part 12 is rotated, at the moment, the locking groove 121 on the switching part 12 rotates along with the anesthesia puncture needle, and then the locking and positioning of the anesthesia puncture needle 2 are realized by matching with the anesthesia puncture needle 2, so that the anesthesia puncture needle 2 can be prevented from moving, the position precision of the anesthesia puncture needle 2 and the locking device 1 is ensured, and the position precision of the puncture needle 2 is ensured when the locking device 1 is connected with a robot arm of an anesthesia robot.
The epidural anesthesia robot needle placement mechanism is connected to a mechanical arm of an anesthesia robot and is provided with a locking device 1 and an anesthesia puncture needle 2, the locking device 1 comprises an adapter part 12 and a fixing part 11, the anesthesia puncture needle 2 extends into a mounting hole 3, the adapter part 12 is rotated to lock and position the anesthesia puncture needle 2 by utilizing a locking groove 121, and further the connection between the locking device 1 and the anesthesia puncture needle 2 is realized, the replacement operation is convenient and rapid when the anesthesia puncture needle 2 needs to be replaced, meanwhile, compared with a screw connection mode in the prior art, the repeated installation consistency of the anesthesia puncture needle 2 can be ensured, and the adverse effect of assembly errors on puncture operation is avoided.
As shown in fig. 1, the adapting portion 12 of the locking device 1 of the present invention is further provided with a limiting groove 122, and the fixing portion 11 is provided with a limiting member 111 extending into the limiting groove 122 to limit the rotation of the adapting portion 12.
Referring to fig. 1-3, according to an embodiment of the present invention, the fixing portion 11 is further provided with a limiting hole 112, and a limiting bolt is installed in the limiting hole 112 to abut against the anesthesia puncture needle 2.
Referring to fig. 4, according to one embodiment of the present invention, an anesthesia puncture needle 2 of the present invention comprises an outer tube 21 and a core 22, wherein the outer tube 21 comprises a first portion 211 and a second portion 212 connected in series, and the first portion 211 and the second portion 212 have a larger diameter.
Specifically, when the anesthesia puncture needle 2 extends into the mounting hole 3 and the first portion 211 extends out of the mounting hole 3, a limit bolt can be mounted in the limit hole 112 to abut against the first portion 211 of the anesthesia puncture needle 2, so that the anesthesia puncture needle 2 is further subjected to fiber, the position accuracy is ensured, and meanwhile, the stability in the use process is ensured.
According to an embodiment of the invention, the end of the first part 211 of the anesthesia puncture needle 2 away from the second part 212, i.e. the end abutting against the limit bolt, is provided with a conical mechanism, so that the limit bolt abuts against the conical surface, and the structural stability is further improved.
Referring to fig. 1 and 4, the diameter of the first portion 211 of the outer needle tube 21 of the present invention is larger than that of the second portion 212, so that after the anesthesia puncture needle 2 is inserted into the mounting hole 3, the locking groove 121 of the adapting part 12 is locked with the second portion 212, and since the diameter of the first portion 21 is larger than that of the second portion 212, the first portion 21 can also act as a limit in the horizontal direction, further ensuring the position accuracy, avoiding the position displacement of the anesthesia puncture needle 2 during the use, and ensuring the stability.
Referring to fig. 4 and 5, the outer needle tube 21 of the anesthetic needle 2 of the present invention is a hollow cylindrical body with a closed front end and an open rear end, the needle core 2 is detachably disposed in the hollow portion of the outer needle tube 21 coaxially with the outer needle tube 21, and the needle core 22 is in interference fit with the outer needle tube 21. The needle core 22 is arranged to be matched with the outer needle tube 21, the inner part of the outer needle tube 21 can be sealed through the needle core 22, and therefore air can be prevented from entering in the puncture process.
The front end of the outer needle tube 21 is connected with an elastic sealing element 4 to seal the front end of the outer needle tube 21, and according to one embodiment of the invention, the elastic sealing element 4 comprises a first elastic sealing part 41 and a second elastic sealing part 42 which are symmetrically arranged and are in sealing abutment. In a natural state, the first elastic sealing portion 41 and the second elastic portion 42 are in contact with each other, and are sealed by elasticity. When the anesthesia puncture needle 2 is used, the needle head portion 23 of the anesthesia puncture needle 2 can be pushed open against the first elastic portion 41 and the second elastic portion 42.
Specifically, the needle portion 23 is disposed inside the outer tube 21, and slidably connected to the outer tube 21. The needle part 23 is located between the needle core 22 and the elastic sealing member 4, and the needle part 23 can push the elastic sealing member 4 to extend out of the outer needle tube 21. According to one embodiment of the present invention, a sliding boss is provided at one end of the needle head portion 23 close to the needle core 22, and a sliding rail 21a corresponding to the sliding boss is provided on the inner wall of the outer needle tube 21. Thereby achieving a sliding connection of the needle part 23 with the outer needle cannula 21.
When the anesthesia puncture needle 2 of the present invention is not used, as shown in fig. 4, the needle part 23 is positioned inside the outer needle tube 21, and the tip thereof is sealed by the elastic sealing member 4, so that the problems of contact contamination and the like caused by the exposure of the needle part 23 to the air can be avoided. When the anesthetic needle is used for puncture, the needle head part 23 can be ejected out through the needle core 22, as shown in fig. 5, puncture is performed, and after the puncture operation is completed, the needle head part 23 can be placed inside the outer needle tube 21 again, so that the risk of injury to a treating person in the subsequent treatment process of the anesthetic needle can be avoided.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and it is apparent to those skilled in the art that various modifications and variations can be made in the present invention. 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 (9)
1. A needle placing mechanism of an epidural anesthesia robot comprises a locking device (1) and an anesthesia puncture needle (2), and is characterized in that the locking device (1) comprises a fixing part (11) and a switching part (12), the switching part (12) can rotate relative to the fixing part (11) along the direction vertical to the central axis of the fixing part (11), a mounting hole (3) penetrating through the fixing part (11) and the switching part (12) is formed in the locking device (1), and the anesthesia puncture needle (2) extends into the mounting hole (3);
the switching part (12) is also provided with a locking groove (121) which is connected with the mounting hole (3) and is matched with the anesthetic needle (2).
2. The epidural anesthesia robot needle placement mechanism according to claim 1, wherein a limit groove (122) is provided on the adapting part (12), and a limit piece (111) is provided on the fixing part (11) to extend into the limit groove (122).
3. The epidural anesthesia robot needle placement mechanism according to claim 2, wherein the fixing part (11) is further provided with a limiting hole (112) communicated with the mounting hole (3), and a limiting bolt is mounted in the limiting hole (112) and abuts against the anesthesia puncture needle (2).
4. The epidural anesthesia robot needle placement mechanism according to claim 3, wherein the anesthesia puncture needle (2) comprises an outer needle tube (21) and a core (22);
the outer needle tube (21) comprises a first part (211) and a second part (212) which are connected in sequence, wherein the diameter of the first part (211) is larger than that of the second part (212);
the locking groove (121) is engaged with the second portion (212).
5. The epidural anesthesia robot needle placement mechanism according to claim 4, wherein an end of the first section (211) distal to the second section (212) is provided as a conical structure;
the limiting bolt is abutted against the conical structure.
6. The epidural anesthesia robot needle placement mechanism according to claim 4, wherein the outer needle tube (21) is a hollow cylinder with a closed front end and an open rear end, the needle core (22) is detachably arranged in the hollow part of the outer needle tube (21) coaxially with the outer needle tube (21), and the needle core (22) and the outer needle tube (21) are in interference fit.
7. The epidural anesthesia robot needle placement mechanism according to claim 6, characterized in that the front end of the outer needle tube (21) is connected with an elastic sealing member (4), and the elastic sealing member (4) comprises a first elastic sealing part (41) and a second elastic sealing part (42) which are symmetrically arranged and sealed against each other.
8. The epidural anesthesia robot needle placement mechanism according to claim 7, characterized in that a needle part (23) is slidably arranged in said outer needle tube (21), said needle part (23) being located between said core (22) and said elastic seal (4);
the needle head part (23) can push the elastic sealing piece (4) to extend out of the outer needle tube (21).
9. The epidural anesthesia robot needle placement mechanism according to claim 8, wherein a sliding boss is provided at one end of the needle part (23) close to the needle core (22), and a sliding rail (21a) corresponding to the sliding boss is provided on the inner wall of the outer needle tube (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010762034.XA CN114052849B (en) | 2020-07-31 | 2020-07-31 | Needle setting mechanism of epidural anesthesia robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010762034.XA CN114052849B (en) | 2020-07-31 | 2020-07-31 | Needle setting mechanism of epidural anesthesia robot |
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| CN114052849A true CN114052849A (en) | 2022-02-18 |
| CN114052849B CN114052849B (en) | 2023-08-18 |
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| US5752970A (en) * | 1995-02-03 | 1998-05-19 | Yoon; Inbae | Cannula with distal end valve |
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| CN114052849B (en) | 2023-08-18 |
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