Novel bending concentric probe
By designing a bent homocore probe, the problem of inaccurate position and risk of nerve damage when detecting biological signals in special and deeper positions is solved, and a higher detection accuracy and safer treatment effect is achieved.
Patent Information
- Application Number
- CN202421091040.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-05-20
AI Technical Summary
When detecting biological signals in special and deeper positions, prior art probes are prone to inaccurate detection positions, which affects the accuracy of biological signal detection and has a high risk of intraoperative nerve damage.
A new type of bent same-core probe is designed. The bent probe is convenient to be directly inserted into special positions and deep positions. The probe core is convenient to be stimulated in a small range. The electrical pulse stimulation wave emitted by the central electrode is controlled within the outer ring electrode, and the range is only within millimeters to avoid large movements.
Improves the accuracy of biological signal detection, helps surgeons locate and map motor nerves, reduces the risk of intraoperative nerve damage, provides better therapeutic effects, and effectively prevents infection through single use and ethylene oxide sterilization.
Smart Images

Figure CN222752063U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a novel bent homogeneous probe. Background Art
[0002] Existing probes detect biological signals at special and deeper locations, which can easily lead to inaccurate detection positions, affecting the accuracy of biological signal detection, and posing a high risk of nerve damage during surgery.
[0003] This probe is used in conjunction with electrophysiological testing equipment and is mainly used for small-scale stimulation. It is mostly used to stimulate cranial nerves, spinal nerve roots and brainstem, as well as the conduction of human electrical signals. This product structure is the first of its kind in China. Currently, all domestic hospitals purchase overseas products for clinical use.
[0004] This probe fills a domestic gap, solves the problem of difficulty in collecting biological signals in special and deep locations, and reduces patients' medical costs. Utility Model Content
[0005] The purpose of this utility model is to solve the above problems. This application proposes a new type of bent core probe. The bent probe is convenient for direct insertion to detect special positions and deeper positions. The probe core is convenient for small-scale stimulation. The electric pulse stimulation wave emitted by the central electrode is controlled within the outer circle electrode, and the range is limited to within millimeters, which is not easy to cause large movements. The structure is simple, the effect is good and it is safe to use.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of bent co-core probe, including a probe and a wire. One end of the probe is bent, and the other end is connected to a handle. The probe includes a probe tube and a probe core. A wire is arranged in the handle. One end of the wire is respectively connected to the probe tube and the probe core, and the other end is connected to a connector for connecting to a detection device. A heat shrink tube is arranged on the probe tube and the probe core.
[0007] Furthermore: the wire is welded to the probe tube and the probe core respectively.
[0008] Furthermore: the effective length of the probe tube and the probe core is 90 mm, the probe tube is made of a φ1.3 mm stainless steel tube, and the probe core is made of a φ0.5 mm stainless steel wire.
[0009] Furthermore: the probe tube and the probe core are both made of 304 stainless steel.
[0010] Furthermore: the heat shrink tube is made of PVDF material.
[0011] Furthermore: the handle is made of medical-grade ABS material.
[0012] Furthermore: the connector and the wire are covered with an insulator, the insulator is made of PVC, and the connector adopts DIN 42802.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The diameter of this bent core probe is φ1.3mm and the length is 90mm. It can detect electrophysiological signals in a small range, special positions and deeper positions. The probe is made of 304 stainless steel. The probe core and probe tube that make up the probe are equipped with heat shrink tubes. For small-range stimulation, the electric pulse stimulation wave emitted by the central electrode is controlled within the outer circle electrode. The range is limited to within millimeters, which is not easy to cause large movements. It can detect biological signals in a small range, special positions and deeper positions, improve the accuracy of biological signal detection, and help surgeons locate and map motor nerves through evoked potentials and electromyographic signals, which can reduce the risk of nerve damage during surgery, thereby providing better treatment. This product is a disposable medical device sterilized by ethylene oxide, which effectively prevents infection. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only for more clearly illustrating the embodiments of the utility model or the technical solutions in the prior art. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 For this utility model Figure 1 Enlarged view of part I;
[0018] In the figure: 1-connector, 2-wire, 3-handle, 4-heat shrink tube, 5-probe tube, 6-probe core. DETAILED DESCRIPTION
[0019] In order to enable those skilled in the art to better understand and implement the technical solution of the utility model, the utility model is further described below in conjunction with specific embodiments. However, the embodiments are only used as an explanation of the utility model and are not intended to limit the utility model.
[0020] like Figure 1A new type of bent coaxial probe shown in the figure is composed of a probe, a wire 2, a handle 3, and a connector 1. The probe is composed of a probe tube 5 and a probe core 6. One end of the probe is bent and the other end is connected to the handle 3. The handle 3 is penetrated by a wire 2, and one end of the wire 2 is welded to the probe tube 5 and the probe core 6 respectively. The effective length of the probe tube 5 is 90 mm and the diameter is φ1.3 mm. The effective length of the probe core 6 is 90 mm and the diameter is φ0.5 mm. The other end of the wire 2 is provided with a connector 1 for connecting to the detection equipment.
[0021] like Figure 2 As shown, the probe tube 5 and the probe core 6 are provided with a heat shrink tube 4, and the heat shrink tube 4 is made of PVDF material, which plays a protective role while ensuring insulation, ensuring that the probe tube 5 and the probe core 6 can smoothly contact the detection part and collect bioelectric signals.
[0022] The probe tube 5 is made of 304 stainless steel tube, and the probe core 6 is made of stainless steel wire.
[0023] The handle 3 is made of medical-grade ABS material, is compact and light, and is convenient for doctors to operate.
[0024] Preferably: the connector 1 and the wire 2 are covered with an insulator, the insulator is made of PVC, and the connector adopts DIN 42802.
[0025] When in use, the heat shrink tube makes it easy to insert the probe directly into the relevant parts of the human body, and the probe tube and probe core are used to contact the human body to detect biological signals in a small range, special positions and deeper positions. The other end of the probe is connected to the detection equipment to view the test results.
[0026] This bent homogeneous probe effectively avoids the difficulties of large-scale stimulation, detection of special positions and deeper positions when using invasive probes, improves the accuracy of biological signal detection, and helps surgeons locate and map motor nerves through evoked potentials and electromyographic signals, which can reduce the risk of intraoperative nerve damage and provide better treatment. This product is a disposable medical device sterilized with ethylene oxide, which effectively prevents infection caused by the use of invasive probes.
[0027] The contents not described in detail in the present invention are all prior art.
[0028] The above is only a preferred embodiment of the utility model, and is not limited to the description in the specification and implementation. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the utility model patent application should be included in the scope of the utility model patent application.
Claims
1. A novel bent core probe, comprising a probe and a conductor (2), characterized in that: One end of the probe is bent, and the other end is connected to a handle (3). The probe comprises a probe tube (5) and a probe core (6). A wire (2) is provided in the handle (3). One end of the wire (2) is respectively connected to the probe tube (5) and the probe core (6), and the other end is connected to a connector (1) for connecting to a detection device. A heat shrink tube (4) is provided on the probe tube (5) and the probe core (6).
2. A novel bent coaxial probe according to claim 1, characterized in that: The wire (2) is welded together with the probe tube (5) and the probe core (6) respectively.
3. The novel bent coaxial probe according to claim 1 is characterized in that: The effective length of the probe tube (5) and the probe core (6) is 90 mm. The probe tube (5) is made of a φ1.3 mm stainless steel tube, and the probe core (6) is made of a φ0.5 mm stainless steel wire.
4. The novel bent coaxial probe according to claim 1 is characterized in that: The probe tube (5) and the probe core (6) are both made of 304 stainless steel.
5. The novel bent coaxial probe according to claim 1 is characterized in that: The heat shrink tube (4) is made of PVDF material.
6. The novel bent coaxial probe according to claim 1 is characterized in that: The handle (3) is made of medical-grade ABS material.
7. The novel bent coaxial probe according to claim 1 is characterized in that: The connector (1) and the wire (2) are covered with an insulator, the insulator is made of PVC, and the connector adopts DIN 42802.