CN116581579B - Medical connecting device, pulse generator and extension wire - Google Patents
Medical connecting device, pulse generator and extension wire Download PDFInfo
- Publication number
- CN116581579B CN116581579B CN202310861229.3A CN202310861229A CN116581579B CN 116581579 B CN116581579 B CN 116581579B CN 202310861229 A CN202310861229 A CN 202310861229A CN 116581579 B CN116581579 B CN 116581579B
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- inner ring
- outer ring
- hole
- force
- connection device
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- 230000001154 acute effect Effects 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 230000000638 stimulation Effects 0.000 description 6
- 230000004936 stimulating effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000007383 nerve stimulation Effects 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000001186 vagus nerve Anatomy 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to the field of medical equipment, and provides a medical connecting device, a pulse generator and an extension lead, wherein the medical connecting device comprises a main body and a fixing piece, the main body is provided with a through hole and a plurality of positioning lugs positioned in the through hole, the fixing piece comprises a force storage part, an outer ring part and an inner ring part, the outer ring part and the inner ring part are respectively connected with the force storage part, the force storage part is connected with the positioning lugs, the inner ring part and the outer ring part limit the force storage part to separate from the positioning lugs, torsion with opposite directions can be applied to the outer ring part and the inner ring part after the force storage part stores the force, the outer ring part is used for being abutted with the inner wall of the through hole, the inner ring part is used for being abutted with a conductive contact, and the inner ring part has certain elastic deformability and is connected with the conductive contact in a self-adapting way, so that the fatigue life is long.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a medical connecting device, a pulse generator and an extension lead.
Background
The implanted nerve stimulation system comprises a deep brain electrical stimulation system (DBS), a vagus nerve electrical stimulation system (VNS), a sacral nerve electrical stimulation System (SNM), a spinal cord electrical stimulation therapy system (SCS) and the like, and consists of a pulse generator, electrodes and an extension lead.
The connection module of the pulse generator is provided with a connection device, the pulse generator is connected with an extension wire through the connection device, and the extension wire is connected to the electrode (or the pulse generator is directly connected with the electrode through the connection device), so that the pulse generated by the pulse generator is transmitted to the electrode to electrically stimulate the nerve. Typically, implantable neurostimulation systems are required to continue to operate in a patient for decades, and the stability of the connection device has an important impact on the performance and lifetime of the implantable neurostimulation system.
Disclosure of Invention
In view of the above, the invention provides a medical connecting device, a pulse generator and an extension lead, wherein the connecting device is provided with a fixing piece with an elastic structure, has certain deformability, is adaptively connected with a conductive contact, and effectively ensures the conduction connection between the connecting device and the conductive contact.
In one aspect of the invention, a medical connection device is provided, comprising:
the main body is provided with a through hole and a positioning hanging lug in the through hole; and
the fixing piece is arranged in the through hole and is used for fixing and conducting the conductive contact penetrating through the through hole, and the fixing piece comprises a force storage part, an outer ring part and an inner ring part which are respectively connected with the force storage part;
the power storage part is connected with the positioning hanging lugs, the inner ring part and the outer ring part are used for limiting the power storage part to be separated from the positioning hanging lugs, and the power storage part can store power according to acting force of the conductive contact on the inner ring part and apply extrusion force to the conductive contact through the inner ring part.
Further, the inner ring part, the outer ring part and the force storage part are respectively provided with a plurality of inner ring parts and a plurality of outer ring parts which are alternately arranged in the circumferential direction of the through hole, and the adjacent inner ring parts and the outer ring parts are connected through the force storage part;
the outer ring part and the inner ring part can limit the distance between two adjacent force accumulating parts, and a plurality of the inner ring parts encircle to form an elastic hole with the diameter smaller than that of the through hole.
Further, the inner ring portion and the outer ring portion are connected through the two force storage portions to form the fixing module, the fixing piece comprises a plurality of fixing modules, and the fixing modules are fixed in the through holes at intervals in the circumferential direction through the positioning hanging lugs.
Further, the inner wall of the through hole is provided with a plurality of limiting grooves for fixing the outer ring part, the limiting grooves and the positioning lugs are arranged at intervals in the axial direction of the through hole, and the limiting grooves are located between two adjacent positioning lugs.
Further, the force storage part is of a torsion spring structure and is provided with a spring hole for being connected with the positioning hanging lug;
the spring hole axes of the two power accumulating parts of the same fixed module are overlapped or arranged in parallel.
Further, the outer ring part comprises an outer ring cross beam and outer ring connecting arms positioned at two ends of the outer ring cross beam, the inner ring part comprises an inner ring cross beam and inner ring connecting arms positioned at two ends of the inner ring cross beam, one force storage part is connected with one outer ring connecting arm and one inner ring connecting arm, and the acute angle between the outer ring connecting arm and the inner ring connecting arm is alpha, and 0 degree is less than alpha and less than 90 degrees.
Further, the inner ring connecting arm comprises a first arm section and a second arm section, the first arm section is connected with the force storage part and the second arm section, the second arm section is connected with the first arm section and the inner ring cross beam, one end, connected with the inner ring cross beam, of the second arm section is inclined towards the axis of the through hole, and an acute angle beta is formed between the second arm section and the axis of the through hole, and is more than or equal to 2 degrees and less than or equal to 5 degrees.
Further, the positioning lugs are provided with a plurality of positioning lugs and distributed along the circumferential direction of the through hole, and the two opposite sides of the positioning lugs facing the circumferential direction are respectively provided with a connecting part.
In another aspect of the invention, a pulse generator is provided, and the medical connecting device is installed.
In another aspect of the invention, an extension lead is provided for installing the medical connection device.
The invention provides a medical connecting device which comprises a main body and a fixing piece, wherein the main body is provided with a through hole and a positioning hanging lug positioned in the through hole, the fixing piece comprises a force storage part, an outer ring part and an inner ring part, the outer ring part and the inner ring part are respectively connected with the force storage part, the force storage part is connected with the positioning hanging lug, the inner ring part and the outer ring part limit the force storage part to be separated from the positioning hanging lug, a conductive contact extends into the through hole and extrudes the inner ring part to move, so that the force storage part stores force, the force storage part applies force to the outer ring part and the inner ring part to enable the outer ring part to be abutted against the inner wall of the through hole, and the inner ring part extrudes and conducts to connect the conductive contact.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a medical connection device according to an embodiment of the present invention.
Fig. 2 is an exploded view of a body and a holder of a medical connection device according to an embodiment of the present invention.
Fig. 3 is a schematic main body structure of a medical connection device according to an embodiment of the present invention.
Fig. 4 is a schematic view of a fixing member of a medical connection device according to an embodiment of the present invention.
Fig. 5 is a schematic view showing a partial structure of a fixing member of a medical connection device according to an embodiment of the present invention.
Fig. 6 is a schematic view illustrating an angular relationship between an inner ring connecting arm and an outer ring connecting arm of a medical connecting device according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of an elastic unit of a medical connection device according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of a strip-shaped elastic body of a medical connection device according to an embodiment of the present invention.
Fig. 9 is a schematic view showing a structure of another medical connection device according to an embodiment of the present invention.
Fig. 10 is an exploded view of a main body and a fixing member of another medical connection device according to an embodiment of the present invention.
Fig. 11 is a schematic main body structure of another medical connection device according to an embodiment of the present invention.
Fig. 12 is a schematic view of a fastening module of another medical connection device according to an embodiment of the present invention.
Fig. 13 is a schematic side view of a securing module of another medical connection device in accordance with an embodiment of the invention.
Fig. 14 is a schematic view of another embodiment of the assembly of the fixing module and the main body.
Fig. 15 is a schematic structural view of another fixing module according to an embodiment of the present invention.
Fig. 16 is a schematic side view of another securing module in accordance with an embodiment of the invention.
Fig. 17 is a schematic view showing a structure of a medical connection device according to still another embodiment of the present invention.
Fig. 18 is a schematic main body structure of a medical connection device according to still another embodiment of the present invention.
Fig. 19 is a schematic cross-sectional view of a medical connection device according to still another embodiment of the present invention.
Fig. 20 is a schematic view showing a structure of a fixing member of another medical connection device according to the embodiment of the present invention.
Fig. 21 is another schematic view of another view of a fastener of a medical connection device according to an embodiment of the present invention.
Fig. 22 is a schematic diagram showing a partial structure of a pulse generator in an embodiment of the present invention.
Fig. 23 is a schematic view showing a partial structure of an extension wire according to an embodiment of the present invention.
Reference numerals illustrate:
1-a main body; 2-fixing parts; a 3-pulse generator; 4-connecting wires; 5-conductive contacts; 6-extending the wire; 7-stimulating electrodes;
11-through holes; 12-positioning a boss; 13-positioning hanging lugs; 14-a limit groove;
131-a connection;
21-an elastic unit; 22-an elastomer; 23. 23', 23 "-a fixed module; 24-an outer ring portion; 25-an inner ring portion; 26-a force storage part; 27-an elastic hole; 28-spring holes;
241-outer ring beam; 242-outer ring connecting arms;
251-an inner ring beam; 252-inner ring connecting arms;
2511-bending structure; 2521-a first arm segment; 2522-second arm segment.
Detailed Description
The present invention is described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. The present invention will be fully understood by those skilled in the art without the details described herein. Well-known methods, procedures, flows, components and circuits have not been described in detail so as not to obscure the nature of the invention.
Moreover, those of ordinary skill in the art will appreciate that the drawings are provided herein for illustrative purposes and that the drawings are not necessarily drawn to scale.
Unless the context clearly requires otherwise, the words "comprise," "comprising," and the like throughout the application are to be construed as including but not being exclusive or exhaustive; that is, it is the meaning of "including but not limited to".
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly, as they may be fixed, removable, or integral, for example; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Spatially relative terms, such as "inner," "outer," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures.
The invention provides a medical connecting device, a pulse generator and an extension lead, wherein the extension lead and the pulse generator are respectively provided with the medical connecting device.
Fig. 1 is a schematic structural view of a medical connection device according to an embodiment of the present invention. Fig. 2 is an exploded view of a body and a holder of a medical connection device according to an embodiment of the present invention. Fig. 3 is a schematic main body structure of a medical connection device according to an embodiment of the present invention. Fig. 4 is a schematic view of a fixing member of a medical connection device according to an embodiment of the present invention.
As shown in fig. 1-4, the medical connection device comprises a main body 1 and a fixing piece 2, wherein the main body 1 is provided with a through hole 11, the fixing piece 2 is arranged in the through hole 11, the conductive contact 5 stretches into the through hole 11 and presses the fixing piece 2, and the fixing piece 2 is in pressing contact with the conductive contact 5, so that the fixing piece 2 is adaptively connected with the conductive contact 5, and the fixing piece 2 is stably and reliably connected with the conductive contact 5 for a long time. It will be appreciated that in the present invention, the main body 1 and the fixing member 2 are both made of metal materials, preferably, the fixing member 2 is made of spring steel, the trend of metal fiber is not damaged, and the fatigue life of the fixing member 2 is long.
As shown in fig. 2 to 4, the main body 1 has a cylindrical shape, and the through hole 11 is coaxial with the main body 1. When the pulse generator 3 or the extension lead 6 is arranged and provided with a plurality of medical connection devices, the plurality of main bodies 1 are coaxially arranged, so that the connection between the pulse generator 3 and the lead and the connection between the extension lead 6 and the stimulation electrode 7 are smoother. The inner wall of the through hole 11 is provided with a positioning hanging lug 13 and an annular positioning boss 12, and a plurality of positioning hanging lugs 13 are distributed at intervals in the circumferential direction of the through hole 11. In the axial direction of the through hole 11, annular positioning bosses 12 are arranged at intervals from positioning lugs 13.
The fixing member 2 has a ring shape, and the fixing member 2 includes an outer ring portion 24, an inner ring portion 25, and a power storage portion 26. The outer ring portion 24 and the inner ring portion 25 are provided in plural, and the plurality of outer ring portions 24 and the plurality of inner ring portions 25 are alternately provided in the circumferential direction, and the outer ring portion 24 and the inner ring portion 25 are connected by the power storage portion 26. The outer ring portion 24 abuts against the inner wall of the through hole 11, and the plurality of inner ring portions 25 surround the elastic hole 27 having a smaller diameter than the through hole 11 and concentric with the through hole 11.
When the conductive contact 5 is connected with the medical connecting device, the conductive contact 5 stretches into the elastic hole 27 and applies extrusion force to the inner ring portion 25, the inner ring portion 25 expands outwards, and the elastic hole 27 is spread. The force storage portion 26 is subjected to the force of the inner ring portion 25 to store force, the force storage portion 26 applies an outward force to the outer ring portion 24, the outer ring portion 24 is abutted against the inner wall of the through hole 11, the force storage portion 26 applies an inward force to the inner ring portion 25, the inner ring portion 25 is abutted against the conductive contact 5, and the fixing member 2 has a certain deformability and is adaptively connected with the conductive contact 5. In the invention, the fixing piece 2 is provided with a plurality of inner ring parts 25, multipoint contact is formed between the fixing piece 2 and the conductive contact 5, and compared with single-point contact, the conductive performance is more stable and reliable; under the condition that the straightness of the conductive contact 5 is poor, the circumferential multipoint elastic connection can solve the problem that the conductive performance is affected due to the fact that the fixing piece 2 is in virtual connection with the conductive contact 5 and the resistance becomes large.
In the example of fig. 4, the fixing member 2 has six inner ring portions 25, after the conductive contacts 5 penetrate through the through holes 11, the six inner ring portions 25 encircle and abut against the conductive contacts 5, and the plurality of inner ring portions 25 are symmetrically arranged with the axis of the through holes 11 as the center, so as to balance the abutting force of the fixing member 2 on the conductive contacts 5, and the inner ring portions 25 are more stably contacted with the conductive contacts 5. In other embodiments, the inner ring portion 25 is provided in two or more doubles.
It will be appreciated that the power storage portion 26 of the present invention is a mechanical power storage structure.
The positioning hanging lugs 13 are used for being connected with the force storage parts 26 to prevent the fixing piece 2 from moving in the through holes 11; the annular positioning boss 12 coincides with the axis of the through hole 11, and the positioning boss 12 is used for limiting the movement of the outer ring part 24. The force accumulating parts 26 are of torsion spring structures, the number of turns is between 1 and 5, the force accumulating parts 26 are provided with spring holes 28, and the rotation directions of two adjacent force accumulating parts 26 are opposite, or the rotation directions of two force accumulating parts 26 connected with the same inner ring part 25 or outer ring part 24 are opposite. The positioning lugs 13 are respectively provided with connecting portions 131 on opposite sides of the circumferential direction of the through hole 11, and the connecting portions 131 can penetrate into the spring holes 28 of the power storage portion 26, so that the fixing piece 2 is fixed in the through hole 11. In the present embodiment, the number of the positioning lugs 13 is the same as the number of the outer ring portions 24.
Fig. 5 is a schematic view showing a partial structure of a fixing member 2 of a medical connection device according to an embodiment of the present invention.
As shown in fig. 2 and 5, the outer ring portion 24 includes an outer ring cross member 241 and outer ring connecting arms 242 at both ends of the outer ring cross member 241, and the inner ring portion 25 includes an inner ring cross member 251 and inner ring connecting arms 252 at both ends of the inner ring cross member 251. One power storage portion 26 is connected with one inner ring connecting arm 252 and one outer ring connecting arm 242, as shown in fig. 4, and two adjacent power storage portions 26 are connected with the same outer ring portion 24 or inner ring portion 25. After the fixing piece 2 is installed in the through hole 11, the connecting portion 131 of the positioning hanging lug 13 penetrates into the spring hole 28 of the force storage portion 26, the outer ring portion 24 and the inner ring portion 25 can limit relative movement between two adjacent force storage portions 26, the force storage portions 26 are prevented from being separated from the positioning hanging lugs 13, and the connection stability of the force storage portions 26 is ensured. As can be seen from fig. 2, the spring of the power storage portion 26 extends from one end of the outer ring portion 24 along the connecting portion 131 toward the inside of the connecting portion 131, and the inner ring portion 25 is led out from the power storage portion 26 from the connecting portion 131 to form a spring hole 28 which is stably connected with the connecting portion 131, and the power storage portion 26 is not easily separated from the connecting portion 131 in the process of inserting and removing the conductive contact 5 from the fixing member 2. After the force is stored in the force storage portion 26, the force can be applied to the outer ring portion 24, so that the outer ring portion 24 presses the inner wall of the through hole 11, the movement of the fixing member 2 can be further restricted, and the stability of the fixing member 2 in the through hole 11 can be improved.
In some embodiments, the outer ring beam 241 and the inner ring beam 251 may also have a certain degree of bending, so that the outer ring beam 241 better fits the inner wall of the through hole 11, and the inner ring beam 251 better contacts the conductive contact 5.
Fig. 6 is a schematic view illustrating an angular relationship between an inner ring connecting arm 252 and an outer ring connecting arm 242 of a medical connecting device according to an embodiment of the present invention.
As shown in fig. 6, the outer ring connecting arm 242 and the inner ring connecting arm 252 can be regarded as torque arms of the power storage portion 26, and the larger the angle of the acute angle α between the outer ring connecting arm 242 and the inner ring connecting arm 252, the larger the abutting force of the inner ring portion 25 and the conductive contact 5, the constant the diameter of the conductive contact 5. In the invention, the angle alpha is more than 0 degrees and less than 90 degrees, preferably, the angle alpha is more than 20 degrees and less than 60 degrees, the force accumulating part 26 is of a torsion spring structure, the number of turns is 2-3, the length of the inner ring connecting arm 252 is 2-5 mm, the pressure of the fixing piece 2 on the conductive contact 5 is 3-5N, the assembly force of the conductive contact 5 and the medical connecting device is moderate, and the conductive contact 5 is prevented from being extruded and damaged.
Fig. 7 is a schematic structural view of an elastic unit 21 of a medical connection device according to an embodiment of the present invention. Fig. 8 is a schematic view showing the structure of the strip-shaped elastic body 22 of the medical connection device according to the embodiment of the present invention.
In the process of processing the fixing member 2 of the present embodiment, as shown in fig. 7 to 8, first, a wire made of a spring steel material is bent into a basic torsion spring. Fig. 5 shows a basic torsion spring structure, in which the end surfaces of the inner ring cross beams 251 are mirror-symmetrical to form an elastic unit 21, the elastic unit 21 includes two force storage portions 26, an inner ring portion 25, two outer ring connecting arms 242 and two half outer ring cross beams 241, and the two outer ring connecting arms 242 are respectively connected with the half outer ring cross beams 241. As shown in fig. 8, the elastic units 21 are linearly arrayed and connected end to form a strip-shaped elastic body 22, and the strip-shaped elastic body 22 is wound into a circle to obtain the fixing member 2.
Fig. 9 is a schematic view showing a structure of another medical connection device according to an embodiment of the present invention. Fig. 10 is an exploded view of a main body 1 and a fixing member 2 of another medical connection device according to an embodiment of the present invention. Fig. 11 is a schematic view showing the structure of a main body 1 of another medical connection device according to an embodiment of the present invention. Fig. 12 is a schematic view of a fixing module 23 of another medical connection device according to an embodiment of the present invention. Fig. 13 is a schematic side view of a securing module 23 of another medical connection device in accordance with an embodiment of the present invention.
As shown in fig. 9-13, the present invention provides another medical connection device, which comprises a main body 1 and a fixing member 2, wherein the main body 1 is provided with a through hole 11, and the inner wall of the through hole 11 is provided with a plurality of positioning lugs 13 and a plurality of limiting grooves 14. In the axial direction of the through hole 11, the locating lugs 13 and the limiting grooves 14 are arranged at intervals, one limiting groove 14 is corresponding to the middle part of each two adjacent locating lugs 13, connecting parts 131 are respectively arranged on two opposite sides of the locating lugs 13 corresponding to the circumferential direction of the through hole 11, and the locating lugs 13 are Y-shaped, so that the installation of the force storage part 26 is facilitated.
In this embodiment, the fixing member 2 includes a plurality of fixing modules 23 with independent structures, and the fixing modules 23 are formed by connecting an inner ring portion 25, an outer ring portion 24 and two power storage portions 26. The inner ring portion 25 includes an inner ring cross member 251 and inner ring connecting arms 252 at both ends of the inner ring cross member 251, and the outer ring portion 24 includes an outer ring cross member 241 and outer ring connecting arms 242 at both ends of the outer ring cross member 241. One power storage part 26 is connected with one inner ring connecting arm 252 and one outer ring connecting arm 242, the power storage part 26 is of a torsion spring structure and is provided with spring holes 28, the spring rotation directions of the two power storage parts 26 are opposite, and the spring holes 28 of the two power storage parts 26 of the same fixed module 23 are coaxially arranged.
After the fixing piece 2 is installed at the through hole 11, a plurality of fixing modules 23 are fixedly arranged along the circumferential direction of the through hole 11 at intervals through the positioning lugs 13, and two force accumulating parts 26 of the same fixing module 23 are respectively fixed on the connecting parts 131 between the adjacent positioning lugs 13, so that one fixing module 23 is installed between the adjacent two positioning lugs 13, and the positioning lugs 13 are prevented from interfering with the movement of the inner ring part 25. The minimum distance between the two positioning lugs 13 is smaller than the distance between the two force accumulating parts 26 of the same fixing module 23, and the two force accumulating parts 26 can be limited to move under the condition that the inner ring part 25 and the outer ring part 24 are not subjected to external force along the axial direction of the force accumulating parts 26, so that the force accumulating parts 26 are prevented from being separated from the positioning lugs 13. The outer ring cross member 241 is partially positioned in the limiting groove 14, so that the fixing module 23 is prevented from moving, and the plurality of inner ring cross members 251 surround the elastic holes 27 having a smaller diameter than the through holes 11 and being concentric with the through holes 11.
In this embodiment, the fixing module 23 is formed by processing a metal wire made of spring steel material, the trend of the metal fiber is not damaged, and the fixing module 23 can be matched with the conductive contact 5 in a self-adaptive manner, so that the fatigue life is long. The fixing pieces 2 and the conductive contacts 5 form multi-point contact by the plurality of fixing modules 23, so that the conductive stability is good.
As shown in fig. 13, the acute angle between the outer ring connecting arm 242 and the inner ring connecting arm 252 connected to the same power storage portion 26 is α. When the diameter of the conductive contact 5 is not changed, the larger the angle of the acute angle α between the outer ring connecting arm 242 and the inner ring connecting arm 252, the larger the abutment force of the inner ring portion 25 with the conductive contact 5. The length of the inner ring connecting arm 252 is greater than that of the outer ring connecting arm 242, and compared with a structure that the inner ring connecting arm 252 and the outer ring connecting arm 242 are equal in length, the inner ring connecting arm 252 is longer, the elastic hole is smaller, the problem of virtual connection caused by uneven conductive contact 5 can be avoided, the inner ring beam 251 is prevented from extruding the conductive contact 5 too much, and the conductive contact 5 is prevented from being deformed by compression.
Fig. 14 is a schematic view showing the assembly of another fixing module 23' with the main body 1 according to the embodiment of the present invention. Fig. 15 is a schematic structural view of another fixing module 23' according to an embodiment of the present invention. Fig. 16 is a schematic side view of another securing module 23' in an embodiment of the invention.
As shown in fig. 14 to 16, the fixing member 2 includes a plurality of fixing modules 23', and the plurality of fixing modules 23' are fixedly arranged at intervals along the circumferential direction of the through hole 11 by the positioning lugs 13. The fixing module 23' is formed by connecting an inner ring portion 25, an outer ring portion 24 and two force accumulating portions 26, wherein the inner ring portion 25 comprises an inner ring cross beam 251 and two inner ring connecting arms 252, the outer ring portion 24 comprises an outer ring cross beam 241 and two outer ring portions 24, one force accumulating portion 26 is connected with one inner ring connecting arm 252 and one outer ring connecting arm 242, the force accumulating portions 26 are of torsion spring structures, and the rotation directions of the two force accumulating portions 26 are opposite. The fixed module 23' shown in fig. 15 differs from the fixed module 23 shown in fig. 12 in that: the inner ring portion 25 is different in structure.
In this embodiment, as shown in fig. 15-16, the inner ring beam 251 is provided with a "U" shaped bending structure 2511, and the bending structure 2511 is used to increase the contact area between the inner ring beam 251 and the conductive contact 5. The inner ring connecting arm 252 comprises a first arm section 2521 and a second arm section 2522, the first arm section 2521 is connected with the power storage part 26 and the second arm section 2522, the second arm section 2522 is connected with the first arm section 2521 and the inner ring cross beam 251, one end of the second arm section 2522 connected with the inner ring cross beam 251 is inclined towards the axis of the through hole 11, an acute angle beta is formed between the second arm section 2522 and the axis of the through hole 11, and when the conductive contact 5 is not assembled, the angle beta is more than or equal to 2 degrees and less than or equal to 5 degrees. The conductive contact 5 presses the inner ring portion 25, and when the inner ring portion 25 has only a slight variation, a large contact area between the inner ring portion 25 and the conductive contact 5 can be ensured.
The acute angle α between the first arm segment 2521 and the outer ring connecting arm 242 is α, and the larger the acute angle α between the outer ring connecting arm 242 and the first arm segment 2521 is, the larger the abutting force of the inner ring portion 25 and the conductive contact 5 is.
When the conductive contact 5 is inserted into the elastic hole 27, the inner ring portion 25 is pressed, and in theory, the inner ring portion 25 rotates around the power storage portion 26.
Fig. 17 is a schematic view showing a structure of a medical connection device according to still another embodiment of the present invention. Fig. 18 is a schematic view showing the structure of a main body 1 of a medical connection device according to still another embodiment of the present invention. Fig. 19 is a schematic cross-sectional view of a main body 1 of still another medical connection device according to an embodiment of the present invention. Fig. 20 is a schematic structural view of a fixing member 2 of still another medical connection device according to an embodiment of the present invention. Fig. 21 is a schematic side view of a holder 2 of a further medical connection device according to an embodiment of the invention.
As shown in fig. 17-21, the present embodiment provides a medical connection device, which includes a main body 1 and a fixing member 2, wherein the main body 1 is provided with a through hole 11, and the fixing member 2, a positioning hanging lug 13 and a limiting groove 14 are arranged in the through hole 11. Two sets of positioning lugs 13 are arranged in the through hole 11 and are defined as a first lug group and a second lug group, wherein the first lug group and the second lug group respectively comprise a plurality of positioning lugs 13, and the first lug group and the second lug group are arranged at intervals in the axial direction of the through hole 11. The plurality of hangers in the first hanger group and the second hanger group are distributed along the circumferential direction of the through hole 11 respectively, and the positioning hangers 13 in the first hanger group and the positioning hangers 13 in the second hanger group are arranged in a staggered manner in the axial direction of the through hole 11.
As shown in fig. 19, the positioning lugs 13 are Y-shaped, and the positioning lugs 13 in the first lug group and the positioning lugs 13 in the second lug group are alternately arranged in the circumferential direction of the through hole 11 when viewed from the axial direction of the through hole 11, and the limit groove 14 is located between two adjacent lugs. A plurality of limiting grooves 14 distributed along the circumferential direction of the through hole 11 are arranged between the first hanging lug group and the second hanging lug group.
As shown in fig. 20-21, the fixing member 2 includes a plurality of fixing modules 23 ", the fixing modules 23" include an inner ring portion 25, an outer ring portion 24, and two power storage portions 26, the power storage portions 26 are torsion spring structures, the power storage portions 26 have spring holes 28 for connecting with the positioning lugs 13, and the rotation directions of the two power storage portions 26 are the same. The inner ring portion 25 includes one inner ring cross member 251 and two inner ring connecting arms 252, and the outer ring portion 24 includes one outer ring cross member 241 and two outer ring connecting arms 242. The spring holes 28 of the two power accumulating parts 26 in the same fixed module 23″ are parallel in axis, and the two power accumulating parts 26 are arranged in a staggered manner in the radial direction of the spring holes 28. The fixing modules 23 'are fixed along the circumferential direction of the through hole 11 through the positioning lugs 13 and the limiting grooves 14, the positioning lugs 13 are connected with the spring holes 28 of the power storage part 26, and the outer ring cross beams 241 are clamped into the limiting grooves 14 to prevent the fixing modules 23' from rotating. In this embodiment, the plurality of inner ring beams 251 enclose the elastic hole 27 for the conductive contact 5 to penetrate, and the inner ring beams 251 are pressed by the conductive contact 5 to move toward the outer ring portion 24, so that the inner ring beams 251 do not rotate around the force storage portion 26, and the alignment of the inner ring beams 251 and the conductive contact 5 is more accurate, compared with fig. 5, 13 and 15.
The acute angle α between the inner ring connecting arm 252 and the outer ring connecting arm 242, which are connected by the power accumulating portion 26, is 0 ° < α < 90 °, and the two acute angle α openings formed by the same fixing module 23″ are oriented to each other, and the larger the acute angle α is, the larger the abutment force between the inner ring portion 25 and the conductive contact 5 is.
The invention also provides a pulse generator 3, as shown in fig. 22, the pulse generator 3 comprises a connecting module, the connecting module is provided with a connecting hole, and the medical connecting device is arranged in the connecting hole. When a plurality of connecting devices are arranged, the plurality of medical connecting devices are distributed at intervals in the axial direction of the connecting holes, and the through holes 11 of the main body 1 piece, the elastic holes 27 surrounded by the fixing pieces 2 and the connecting holes are coaxially arranged. The connecting wire 4 is provided with a plurality of conductive contacts 5, the connecting wire 4 penetrates into the connecting hole, and the fixing piece 2 can be in extrusion contact with the conductive contacts 5, so that conductive connection between the conductive contacts 5 and the fixing piece 2 is realized. In this embodiment, the connection lead 4 may be the extension lead 6 or the stimulation electrode 7.
The invention also provides an extension lead, as shown in fig. 23, wherein the extension lead 6 is provided with a socket for connecting with the stimulating electrode 7, the socket is provided with a socket hole, at least one medical connecting device is axially arranged in the socket hole, and the socket hole, the through hole 11 of the main body 1 and the elastic hole 27 surrounded by the fixing piece 2 are coaxially arranged. The stimulating electrode 7 is provided with a connecting end and a stimulating end, the connecting end of the stimulating electrode 7 is provided with a conductive contact 5, the connecting end of the stimulating electrode 7 penetrates into the socket hole, and the fixing piece 2 can be in extrusion contact with the conductive contact 5, so that conductive connection between the conductive contact 5 and the fixing piece 2 is realized.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A medical connection device, comprising:
the main body (1) is provided with a through hole (11) and a positioning hanging lug (13) in the through hole (11); and
the fixing piece (2) is arranged on the through hole (11) and is used for fixing and conducting the conductive contact (5) penetrating through the through hole (11), and the fixing piece (2) comprises a force storage part (26), and an outer ring part (24) and an inner ring part (25) which are respectively connected with the force storage part (26);
the force storage part (26) is connected with the positioning hanging lug (13), the inner ring part (25) and the outer ring part (24) are used for limiting the force storage part (26) to be separated from the positioning hanging lug (13), and the force storage part (26) can store force on the inner ring part (25) according to the acting force of the conductive contact (5) and apply extrusion force on the conductive contact (5) through the inner ring part (25);
the inner ring part (25), the outer ring part (24) and the force storage part (26) are respectively provided with a plurality of elastic holes (27) with diameters smaller than those of the through holes (11) are formed by encircling the inner ring part (25);
the outer ring part (24) comprises an outer ring cross beam (241) and outer ring connecting arms (242) positioned at two ends of the outer ring cross beam (241), the inner ring part (25) comprises an inner ring cross beam (251) and inner ring connecting arms (252) positioned at two ends of the inner ring cross beam (251), and one force storage part (26) is connected with one outer ring connecting arm (242) and one inner ring connecting arm (252).
2. The medical connection device according to claim 1, wherein a plurality of the inner ring portions (25) and a plurality of the outer ring portions (24) are alternately arranged in the circumferential direction of the through hole (11), adjacent ones of the inner ring portions (25) and the outer ring portions (24) are connected by the force accumulating portion (26), and the outer ring portions (24) and the inner ring portions (25) are capable of defining a pitch between adjacent ones of the force accumulating portions (26).
3. Medical connection device according to claim 1, characterized in that the inner ring portion (25) and the outer ring portion (24) are connected by means of two said force accumulating portions (26) to form a fixation module (23), the fixation member (2) comprising a plurality of fixation modules (23), the plurality of fixation modules (23) being fixed in the through hole (11) at circumferential intervals by means of the positioning lugs (13).
4. A medical connection device according to claim 3, characterized in that the inner wall of the through hole (11) is provided with a plurality of limit grooves (14) for fixing the outer ring portion (24), the limit grooves (14) and the positioning lugs (13) are arranged at intervals in the axial direction of the through hole (11), and the limit grooves (14) are located between two adjacent positioning lugs (13).
5. A medical connection device according to claim 3, characterized in that the force accumulating part (26) is of torsion spring construction, the force accumulating part (26) having a spring hole for connection with a positioning lug (13);
the spring hole axes of the two power accumulating parts (26) of the same fixed module (23) are overlapped or arranged in parallel.
6. The medical connection device according to any one of claims 1-5, wherein the acute angle of the outer ring connection arm (242) to the inner ring connection arm (252) is α,0 ° < α < 90 °.
7. The medical connection device according to claim 6, wherein the inner ring connecting arm (252) includes a first arm segment (2521) and a second arm segment (2522), the first arm segment (2521) connects the force accumulating portion (26) and the second arm segment (2522), the second arm segment (2522) connects the first arm segment (2521) and the inner ring cross member (251), an end of the second arm segment (2522) connected with the inner ring cross member (251) is inclined toward an axis of the through hole (11), and an acute angle β formed by the second arm segment (2522) and the axis of the through hole (11) is 2 ° - β is less than or equal to 5 °.
8. The medical connection device according to claim 1, characterized in that the positioning lugs (13) are provided in plurality and distributed along the circumferential direction of the through hole (11), and the opposite sides of the positioning lugs (13) facing the circumferential direction are respectively provided with connection portions (131).
9. A pulse generator, characterized in that a medical connection device according to any one of claims 1-8 is installed.
10. An extension cord, characterized in that a medical connection device according to any one of claims 1-8 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310861229.3A CN116581579B (en) | 2023-07-14 | 2023-07-14 | Medical connecting device, pulse generator and extension wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310861229.3A CN116581579B (en) | 2023-07-14 | 2023-07-14 | Medical connecting device, pulse generator and extension wire |
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| CN116581579A CN116581579A (en) | 2023-08-11 |
| CN116581579B true CN116581579B (en) | 2023-10-31 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002319461A (en) * | 2001-04-23 | 2002-10-31 | Advanex Inc | Connector |
| CN103648580A (en) * | 2012-06-28 | 2014-03-19 | 上海微创医疗器械（集团）有限公司 | Assembly of active cardiac electrical lead |
| CN104812437A (en) * | 2012-08-31 | 2015-07-29 | 心脏起搏器股份公司 | Mri compatible lead coil |
| CN105305110A (en) * | 2014-06-18 | 2016-02-03 | Smk株式会社 | Terminal for connection of electronic components and installation structure of electronic components by using the same |
| CN106078791A (en) * | 2016-07-12 | 2016-11-09 | 北京精密机电控制设备研究所 | A kind of plane elastic body being applicable to high-mechanic robot series elastic driver |
| CN109695639A (en) * | 2019-02-18 | 2019-04-30 | 许弟彬 | Pearl posture freewheel clutch |
| CN110732083A (en) * | 2018-07-20 | 2020-01-31 | 苏州景昱医疗器械有限公司 | Medical connector and pulse generator for connecting medical instruments |
| CN111491691A (en) * | 2017-07-28 | 2020-08-04 | 加尔瓦尼生物电子有限公司 | Electrode device for nerve stimulation |
| CN215461439U (en) * | 2020-12-18 | 2022-01-11 | 常州瑞神安医疗器械有限公司 | Implanted nerve stimulation electrode lead |
| CN113975628A (en) * | 2021-12-02 | 2022-01-28 | 杭州诺为医疗技术有限公司 | Electrode fixing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120089203A1 (en) * | 2010-10-12 | 2012-04-12 | Advanced Neuromodulation Systems, Inc. | Electrical connections for use in implantable medical devices |
| US10608354B2 (en) * | 2017-03-23 | 2020-03-31 | Verily Life Sciences Llc | Implantable connector with two electrical components |
-
2023
- 2023-07-14 CN CN202310861229.3A patent/CN116581579B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002319461A (en) * | 2001-04-23 | 2002-10-31 | Advanex Inc | Connector |
| CN103648580A (en) * | 2012-06-28 | 2014-03-19 | 上海微创医疗器械（集团）有限公司 | Assembly of active cardiac electrical lead |
| CN104812437A (en) * | 2012-08-31 | 2015-07-29 | 心脏起搏器股份公司 | Mri compatible lead coil |
| CN105305110A (en) * | 2014-06-18 | 2016-02-03 | Smk株式会社 | Terminal for connection of electronic components and installation structure of electronic components by using the same |
| CN106078791A (en) * | 2016-07-12 | 2016-11-09 | 北京精密机电控制设备研究所 | A kind of plane elastic body being applicable to high-mechanic robot series elastic driver |
| CN111491691A (en) * | 2017-07-28 | 2020-08-04 | 加尔瓦尼生物电子有限公司 | Electrode device for nerve stimulation |
| CN110732083A (en) * | 2018-07-20 | 2020-01-31 | 苏州景昱医疗器械有限公司 | Medical connector and pulse generator for connecting medical instruments |
| CN109695639A (en) * | 2019-02-18 | 2019-04-30 | 许弟彬 | Pearl posture freewheel clutch |
| CN215461439U (en) * | 2020-12-18 | 2022-01-11 | 常州瑞神安医疗器械有限公司 | Implanted nerve stimulation electrode lead |
| CN113975628A (en) * | 2021-12-02 | 2022-01-28 | 杭州诺为医疗技术有限公司 | Electrode fixing device |
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|---|---|
| CN116581579A (en) | 2023-08-11 |
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