CN220628312U - Connector and nerve stimulation device - Google Patents
Connector and nerve stimulation device Download PDFInfo
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- CN220628312U CN220628312U CN202322355692.9U CN202322355692U CN220628312U CN 220628312 U CN220628312 U CN 220628312U CN 202322355692 U CN202322355692 U CN 202322355692U CN 220628312 U CN220628312 U CN 220628312U
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Abstract
The utility model belongs to the technical field of medical instruments, and discloses a connector and a nerve stimulation device. The connector comprises a main body and fixing wings, wherein the fixing wings comprise connecting parts and fixing parts connected to two ends of the connecting parts, the connecting parts are connected to the main body or integrally formed on the main body, and the connector can be fixed on the skull through the fixing parts. Through this application, can make fixed wing and connector integration, simplify fixed component quantity, promote the implantation efficiency of operation to reduce the operation degree of difficulty of doctor.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a connector and a nerve stimulation device.
Background
Nerve electrical stimulation is a common means of treating nerve dysfunction and nerve injury rehabilitation, and the nerve electrical stimulation system applies electrical stimulation to the relevant parts through pulse generators and electrodes implanted in the body. The pulse generator is mainly used for generating electric stimulation, and the electric stimulation signals are released to the brain of the patient through the stimulation electrodes to help the patient recover.
The pulse generator is communicated with the electrode through an extension lead, one end of the extension lead is inserted into the channel module of the pulse generator, and the other end of the extension lead is connected with the electrode through a connector.
The existing connector is generally fixed on the skull of a human body through an external fixing accessory, and the fixing process is complex and has high operation difficulty due to the fact that a plurality of components are used in the fixing process.
Disclosure of Invention
The utility model provides an aim at provides connector and nerve stimulation device, makes fixed wing and main part be the integration, simplifies fixed component quantity, promotes the implantation efficiency of operation to reduce the operation degree of difficulty of doctor.
To achieve the purpose, the utility model adopts the following technical scheme:
a connector, comprising:
a main body;
the fixing wing comprises a connecting part and fixing parts connected to two ends of the connecting part, the connecting part is connected to the main body or integrally formed on the main body, and the connector can be fixed on the skull through the fixing parts.
As an alternative to a connector, the main body includes a first surface and a second surface disposed opposite to the first surface, and the first surface is arcuate in shape.
As an alternative to the connector, the shape of the second surface is an arc surface or a plane, and when the shape of the second surface is an arc surface, the curvature of the second surface is not greater than the curvature of the first surface.
As an alternative to a connector, the connecting portion and the second surface are of a unitary structure.
As an alternative to a connector, the first surface is provided with a mounting groove, and the fixing wing is connected in the mounting groove.
As an alternative of the connector, the connecting portion is clamped in the mounting groove.
As an alternative to a connector, the connection portion is glued in the mounting groove.
As an alternative to a connector, the mounting groove is a bar-shaped groove.
As an alternative to a connector, the fixing portion is provided with a fixing hole through which a fastener can be connected to the skull bone.
A nerve stimulation device comprising a connector according to any one of the preceding aspects, the pulse generator being electrically connected to the connector.
The beneficial effects are that:
in the first aspect of the application, the whole connector is rectangular, one end of the connector is provided with an interface for being connected with a lead, the fixing part of the connector can be fixed on the skull of a patient through the fixing wings no matter in a bone implantation mode or a non-bone implantation mode, and the connecting part of the fixing wings is connected to the main body or integrally formed on the main body, so that the fixing operation process of medical staff can be simplified, the number of fixing members can be reduced, the implantation efficiency of an operation can be effectively improved, and the operation difficulty of doctors can be reduced;
in the second aspect of the application, the nerve stimulation device with the connector can facilitate medical staff to improve the implantation efficiency of surgery and reduce the operation difficulty of doctors.
Drawings
FIG. 1 is a front view of a connector with a retaining wing attached to a body according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a first structure of a connector with a fixing wing connected to a main body according to an embodiment of the present utility model;
FIG. 3 is a schematic view showing a second structure of a connector in which a fixing wing is connected to a main body according to an embodiment of the present utility model;
fig. 4 is a front view of a connector of an integrated structure according to an embodiment of the present utility model;
fig. 5 is a first schematic structural view of a connector with an integrated structure according to an embodiment of the present utility model;
fig. 6 is a second schematic structural view of a connector with an integrated structure according to an embodiment of the present utility model;
FIG. 7 is a front view of a hidden retainer tab connector according to an embodiment of the present utility model;
FIG. 8 is a first schematic view of a hidden fixing wing connector according to an embodiment of the present utility model;
FIG. 9 is a schematic view of a second embodiment of a hidden fixing wing connector according to the present utility model;
FIG. 10 is a schematic cross-sectional view of a connector with fixation wings attached to a body according to an embodiment of the present utility model during bone implantation;
FIG. 11 is a schematic cross-sectional view of a first one-piece connector according to an embodiment of the present utility model when not implanted in bone;
FIG. 12 is a schematic cross-sectional view of a second one-piece connector according to an embodiment of the present utility model when not implanted in bone;
FIG. 13 is a schematic view of a connector with fixation wings attached to a body in a non-bone implantation according to an embodiment of the present utility model;
fig. 14 is a schematic structural view of a staggered arrangement of two connectors according to an embodiment of the present utility model;
FIG. 15 is a front view of a securing wing attached to a plurality of connector bodies according to an embodiment of the present utility model;
FIG. 16 is a first schematic view of a fixing wing connected to a plurality of connector bodies according to an embodiment of the present utility model;
FIG. 17 is a second schematic view of a fixing wing connected to a plurality of connector bodies according to an embodiment of the present utility model;
fig. 18 is a schematic view of a fixation wing coupled to a plurality of connector bodies in a cut-away view during bone implantation, according to an embodiment of the present utility model.
In the figure:
1. a first surface; 11. a mounting groove;
2. a second surface;
3. a fixed wing; 31. a connection part; 32. a fixing part; 321. and a fixing hole.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings.
In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The following is a brief description of the related art and related terms.
Implantable medical systems include implantable neurostimulation systems, implantable cardiac electrical stimulation systems (also known as cardiac pacemakers), implantable drug infusion systems (Implantable Drug Delivery System, IDDS for short), lead switching systems, and the like. Implantable nerve electrical stimulation systems such as deep brain electrical stimulation system (Deep Brain Stimulation, abbreviated DBS), implantable cortical stimulation system (Cortical Nerve Stimulation, abbreviated CNS), implantable spinal cord electrical stimulation system (Spinal Cord Stimulation, abbreviated SCS), implantable sacral nerve electrical stimulation system (Sacral Nerve Stimulation, abbreviated SNS), implantable vagal nerve electrical stimulation system (Vagus Nerve Stimulation, abbreviated VNS), and the like.
An implantable neural electrical stimulation system includes a stimulator (i.e., an implantable neural stimulator, a neural stimulation device) implanted in a patient and a programmable device disposed outside the patient. That is to say that the stimulator is an implant or the implant comprises a stimulator. The related nerve regulation technology mainly implants electrodes (the electrodes are in the form of electrode wires for example) at specific parts (namely targets) of tissues of organisms through stereotactic surgery, and electric pulses are sent to the targets through the electrodes to regulate and control the electric activities and functions of corresponding nerve structures and networks, so that symptoms are improved and pains are relieved.
Wherein the stimulator may include an IPG, an extension lead, and an electrode lead, the IPG (implantable pulse generator ) being disposed within the patient and configured to provide controllable electrical stimulation energy to tissue within the body by means of a sealed battery and electrical circuit in response to programming instructions sent by the programming device. The IPG delivers one or more controllable specific electrical stimuli to specific areas of tissue in the body by extending the leads and electrode leads. The extension lead is matched with the IPG to be used as a transmission medium of the electrical stimulation signals, and the electrical stimulation signals generated by the IPG are transmitted to the electrode lead. The electrode leads deliver electrical stimulation to specific areas of tissue in the body through a plurality of electrode contacts. The stimulator is provided with one or more electrode wires on one side or two sides, a plurality of electrode contacts are arranged on the electrode wires, and the electrode contacts can be uniformly arranged or non-uniformly arranged on the circumferential direction of the electrode wires. As an example, the electrode contacts may be arranged in an array of 4 rows and 3 columns (12 electrode contacts in total) in the circumferential direction of the electrode wire. The electrode contacts may include stimulation electrode contacts and/or harvesting electrode contacts. The electrode contact may take the shape of a sheet, ring, dot, or the like, for example.
In some embodiments, the stimulated in vivo tissue may be brain tissue of a patient and the stimulated site may be a specific site of brain tissue. When the type of disease in the patient is different, the location to be stimulated will generally be different, as will the number of stimulation contacts (single or multiple sources) used, the application of one or more (single or multiple channels) specific electrical stimulation signals, and the stimulation parameter data. The embodiment of the present application is not limited to the applicable disease type, and may be a disease type to which Deep Brain Stimulation (DBS), spinal Cord Stimulation (SCS), pelvic stimulation, gastric stimulation, peripheral nerve stimulation, functional electrical stimulation are applicable. Among the types of diseases that DBS may be used to treat or manage include, but are not limited to: spasticity (e.g., epilepsy), pain, migraine, psychotic disorders (e.g., major Depressive Disorder (MDD)), bipolar disorder, anxiety, post-traumatic stress disorder, depression, obsessive Compulsive Disorder (OCD), behavioral disorders, mood disorders, memory disorders, mental state disorders, movement disorders (e.g., essential tremor or parkinson's disease), huntington's disease, alzheimer's disease, drug addiction, autism, or other neurological or psychiatric disorders and impairments.
Referring to fig. 1-6, a first aspect of the present application relates to a connector comprising a main body and a securing wing 3; the fixing wing 3 includes a connection part 31 and fixing parts 32 connected to both ends of the connection part 31, the connection part 31 is connected to the main body or integrally formed on the main body, and the connector can be fixed to the skull bone through the fixing parts 32.
In this embodiment, the connector is rectangular in shape, one end is provided with a circular interface for connection with a lead connector, and for an implantation mode, whether the bone implantation mode or the non-bone implantation mode is adopted, the fixing part 32 of the connector can be fixed on the skull of a patient through the fixing wings 3, the bone implantation mode refers to long-term implantation of the connector into the patient, the non-bone implantation mode refers to non-long-term implantation of the connector into the patient, only temporary implantation is adopted, and experience type implantation is generally carried out for two weeks in term; through making the connecting portion 31 of fixed wing 3 connect on the main part or integrated into one piece is in the main part, can simplify medical personnel's fixed operation process and reduce fixed component quantity to effectively promote the implantation efficiency of operation, and reduce doctor's operation degree of difficulty.
Optionally, the body comprises a first surface 1 and a second surface 2 arranged opposite to the first surface 1, the first surface 1 being in the shape of an arc. The shape of the second surface 2 is an arc surface or a plane, and when the shape of the second surface 2 is an arc surface, the curvature of the second surface 2 is not greater than that of the first surface 1.
In this embodiment, the main body includes two oppositely disposed first surfaces 1 and second surfaces 2, and by making the shape of the first surfaces 1 take on an arc shape, the surface profile of the skull can be more fitted, and in the operation of "bone implantation", the first surfaces 1 can form a complete arc transition with the surface of the skull, thereby facilitating skin suturing. Further, the shape of the second surface 2 is made to present an arc surface or a plane, when the shape of the second surface 2 is an arc surface, the curvature of the second surface 2 is not greater than the curvature of the first surface 1, and those skilled in the art can understand that the greater the curvature value of the curvature is, the greater the curvature represents the curvature, in this embodiment, the curvature of the second surface 2 is smaller than the curvature of the first surface 1, and even may be directly presented as a plane, in fact, the curvature direction of the second surface 2 may be further the same as the curvature direction of the first surface 1, and in the operation of "non-bone implantation", the second surface 2 can be directly attached to the surface of the skull, so that the main body is more reliably fixed on the surface of the skull.
Alternatively, the connecting portion 31 is of unitary construction with the second surface 2.
In this embodiment, the connecting portion 31 is directly integrally formed with the second surface 2, so that the two fixing portions 32 of the integral connector directly extend along the second surface 2, and when the medical staff performs the fixing operation, after the second surface 2 is attached to the surface of the skull, the fixing wings 3 extend out of the body to form a flexible structure, so that the fixing structure can be better attached to the surface of the skull, and the connector can be reliably fixed.
With continued reference to fig. 7-9, the first surface 1 may optionally be provided with a mounting groove 11, and the fixing wing 3 is connected in the mounting groove 11.
Since the first surface 1 is an arc surface, the mounting groove 11 is formed on the first surface 1, specifically, a mounting groove 11 capable of adapting to the width of the fixing wing 3 is formed inward along the arc peak of the first surface 1, and the fixing wing 3 is connected in the mounting groove 11.
Further, the connecting portion 31 is clamped in the mounting groove 11; or the connection portion 31 is adhered in the installation groove 11.
Both the clamping and the bonding connection modes can enable the fixing wing 3 to be simply and reliably fixed inside the mounting groove 11.
Alternatively, the mounting groove 11 is a bar-shaped groove.
In order to adapt to the structure of the fixed wing 3, the mounting groove 11 is a strip-shaped groove, and the width of the mounting groove 11 should be slightly larger than the width of the fixed wing 3.
Optionally, the fixing portion 32 is provided with a fixing hole 321, and a fastener can be connected to the skull bone through the fixing hole 321.
In this embodiment, the fastener may be a fastening screw, which passes through the fixing hole 321 and is connected to the skull bone.
Illustratively, referring to fig. 10, the connector is secured in a "bone-in" manner by first providing a skull with a placement slot in which the connector is placed, and placing the body of the connector in the placement slot; the connecting portion 31 is directly connected to the mounting groove 11 formed in the first surface 1, and the second surface 2 is attached to the bottom of the placing groove, so that the first surface 1 of the fixing wing 3 is flush with the upper surface of the skull, the height of the whole connector protruding out of the skull is reduced, the skin is further attached to the surface of the skull after suturing, the skin is prevented from being jacked up by the connector, gaps are reserved between the skin and the skull, and the effects of postoperative healing and inflammation after operation are avoided.
Illustratively, securing the connector in a "non-bone implant" manner, the connecting portion 31 may be provided in two ways, either integrally formed on the second surface 2 or directly attached to the mounting groove 11 of the first surface 1.
Referring to fig. 11, when the connection portion 31 and the second surface 2 are integrally formed, the second surface 2 is firstly contacted with the surface of the skull, and then the fastening screw passes through the fixing hole 321 to connect the connector with the skull, because the arc surface of the first surface 1 is easier to be attached to the skin after suturing and is not easy to loosen, thereby effectively avoiding affecting the healing after operation and avoiding inflammation after operation, referring to fig. 12, by further optimizing the structure of the fixing wing 3, the connection of the fixing portion 32 of the fixing wing 3 and the main body presents arc transition, avoiding forming an included angle between the fixing portion 32 and the main body, generating stress concentration near the included angle, and ensuring the effective attachment of the whole connector and the skin.
Referring to fig. 13, when the connecting portion 31 is disposed by directly connecting with the mounting groove 11 of the first surface 1, the second surface 2 with smaller curvature is attached to the surface of the skull, and then the fastening screw is passed through the fixing hole 321 to connect the connector with the skull, the fixing wing 3 has a "n" shape structure, the main body is reliably bound to the surface of the skull, and when a plurality of connectors are disposed, the plurality of fixing wings 3 need to be arranged in a staggered manner, as shown in fig. 14.
In fact, in some specific surgical scenarios, the medical staff needs to fix the bodies of the connectors on the skull, in this embodiment, a single fixing wing 3 may also be used to fix the bodies of the connectors, where the fixing wing 3 may be appropriately increased in length to adapt to the bodies of the connectors, and referring to fig. 15-18, a mounting groove 11 is formed on the first surface 1 of the body of each connector, so that the fixing wing 3 sequentially passes through the plurality of mounting grooves 11 and is connected with each mounting groove 11, so that the use of fastening screws can be reduced and the fixation is more flexible in the operation of implanting the bodies of the connectors.
The second aspect of the present embodiment also relates to a nerve stimulation device including a pulse generator and the above connector, the pulse generator being electrically connected to the connector. The nerve stimulation device with the connector can facilitate medical staff to improve the implantation efficiency of surgery and reduce the operation difficulty of doctors.
It is apparent that the above examples of the present application are merely illustrative examples of the present application and are not limiting of the embodiments of the present application. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the application. It is not necessary here nor is it exhaustive of all embodiments. Any modifications, equivalent substitutions, improvements, etc. that fall within the spirit and principles of the present application are intended to be included within the scope of the claims of this application.
Claims (10)
1. A connector, comprising:
a main body;
the fixing wing (3), the fixing wing (3) include connecting portion (31) and connect in fixed part (32) at connecting portion (31) both ends, connecting portion (31) connect on the main part or integrated into one piece are in on the main part, the connector can pass through fixed part (32) are fixed on the skull.
2. Connector according to claim 1, characterized in that the body comprises a first surface (1) and a second surface (2) arranged opposite the first surface (1), the first surface (1) being arcuate in shape.
3. Connector according to claim 2, characterized in that the shape of the second surface (2) is an arc or a plane, and that the curvature of the second surface (2) is not greater than the curvature of the first surface (1) when the shape of the second surface (2) is an arc.
4. A connector according to claim 3, characterized in that the connection portion (31) is of unitary construction with the second surface (2).
5. A connector according to claim 3, wherein the first surface (1) is provided with a mounting groove (11), and the fixing wing (3) is connected in the mounting groove (11).
6. Connector according to claim 5, characterized in that the connecting portion (31) is snapped into the mounting groove (11).
7. Connector according to claim 5, characterized in that the connecting portion (31) is glued in the mounting groove (11).
8. Connector according to claim 5, characterized in that the mounting groove (11) is a bar-shaped groove.
9. A connector according to any one of claims 1-8, wherein the fixation section (32) is provided with fixation holes (321) through which fasteners can be passed to connect with the skull bone.
10. A neurostimulation device comprising a pulse generator and the connector of any one of claims 1-9, the pulse generator being electrically connected to the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322355692.9U CN220628312U (en) | 2023-08-31 | 2023-08-31 | Connector and nerve stimulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322355692.9U CN220628312U (en) | 2023-08-31 | 2023-08-31 | Connector and nerve stimulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220628312U true CN220628312U (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322355692.9U Active CN220628312U (en) | 2023-08-31 | 2023-08-31 | Connector and nerve stimulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220628312U (en) |
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- 2023-08-31 CN CN202322355692.9U patent/CN220628312U/en active Active
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