CN111973162A - Device for detecting sensitivity of human body local to pressure-induced pain - Google Patents
Device for detecting sensitivity of human body local to pressure-induced pain Download PDFInfo
- Publication number
- CN111973162A CN111973162A CN202011008391.3A CN202011008391A CN111973162A CN 111973162 A CN111973162 A CN 111973162A CN 202011008391 A CN202011008391 A CN 202011008391A CN 111973162 A CN111973162 A CN 111973162A
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- Prior art keywords
- pressure
- guide rod
- human body
- shell
- detecting
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- 208000002193 Pain Diseases 0.000 title claims abstract description 24
- 230000036407 pain Effects 0.000 title claims abstract description 24
- 230000035945 sensitivity Effects 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 208000000114 Pain Threshold Diseases 0.000 description 10
- 230000037040 pain threshold Effects 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
- A61B5/0053—Detecting, measuring or recording by applying mechanical forces or stimuli by applying pressure, e.g. compression, indentation, palpation, grasping, gauging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4824—Touch or pain perception evaluation
- A61B5/4827—Touch or pain perception evaluation assessing touch sensitivity, e.g. for evaluation of pain threshold
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Pain & Pain Management (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Psychiatry (AREA)
- Hospice & Palliative Care (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses a device for detecting the sensitivity of human body parts to pressure-induced pain, which comprises a detection main body and a handle, wherein the detection main body is provided with a detection hole; a telescopic guide rod is arranged in the detection main body, a pressure sleeve used for contacting with the body surface of a human body is arranged at the outer end of the guide rod, and the inner end of the guide rod is limited in the detection main body and can move in the detection main body in a telescopic way; the inner end of the detection main body, which is close to the guide rod, is provided with a pressure sensor, and the pressure sensor is connected with an external pressure display through a data line and used for displaying the pressure value of the pressure sensor on the guide rod in real time.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a device for detecting the sensitivity of a human body part to pain caused by pressure.
Background
The pain threshold determination is a common method for pain research, and accurate and objective measurement of the pain threshold plays an important role in diagnosis of diseases, evaluation of treatment effects and judgment of prognosis. Pain is a subjective sensation, and most of the pain threshold determination methods commonly used at present use values measured when patients self-complain of pain, such as: VAS pain scores, WOMAC scale scores, etc., so that the measurement of pain threshold is actually only a semi-objective measure. Meanwhile, the measurement of pain threshold is influenced by various factors such as age, sex, physiological and psychological states of the subject. In order to make the pain threshold measurement more accurate, the objective measurement of the pain threshold of the animal in the animal experiment is referred, a specific reflex which cannot be controlled by the human body is used as an index of the pain threshold measurement on the human body, or the pain threshold measurement result of a subject is comprehensively evaluated by combining some test indexes of the human body, so that the pain threshold measurement is more accurate and objective. However, the existing pressure detector is mostly used for scientific research, is mainly applied to basic research, and has low precision and poor repeatability in clinical application, and is greatly influenced by operators, so that the use of the pressure detector is limited.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a device for detecting the sensitivity of the local part of a human body to pressure-induced pain, which realizes the accurate measurement of the sensitivity of the body surface pressure of the human body through a strain type pressure sensor.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a device for detecting the sensitivity of local human body to pressure-induced pain comprises a detection main body and a handle;
a telescopic guide rod is arranged in the detection main body, a pressure sleeve used for contacting with the body surface of a human body is arranged at the outer end of the guide rod, and the inner end of the guide rod is limited in the detection main body and can move in the detection main body in a telescopic way;
the inner end of the detection main body, which is close to the guide rod, is provided with a pressure sensor, and the pressure sensor is connected with an external pressure display through a data line and used for displaying the pressure value of the pressure sensor on the guide rod in real time.
Specifically, the detection main body comprises a shell, the shell is of a hollow structure, and a guide rod movably penetrates through the shell; the handle is fixedly connected with the bottom of the shell.
Furthermore, a cavity is formed in the inner end, located on the guide rod, of the shell, and an end part bulge is formed in the inner end of the guide rod and matched with the inner wall of the cavity; the inner end of the guide rod is sleeved with a spring, the end part of the spring is propped against the end part bulge of the guide rod and is compressed and filled in the cavity of the shell, and the inner end of the guide rod is attached to the pressure sensor through the tension of the spring.
Further, the rear end of casing is equipped with fixed stopper, the external screw thread is established to fixed stopper outside, and the internal thread is established to the casing rear end, fixes fixed stopper screw in casing rear end through interior external screw thread, and fixed back, and the inside and the pressure sensor of fixed stopper laminate mutually.
Specifically, the top of the handle is sleeved at the bottom of the shell, and the handle is fixed at the bottom of the shell through a fixing screw.
Furthermore, the data line passes through the handle and then penetrates out of the bottom of the handle.
Preferably, the pressure sleeve is detachably arranged at the outer end of the guide rod, the pressure sleeve is made of medical rubber, and the size of one end of the pressure sleeve, which is in contact with the body surface of a human body, is larger than that of the other end of the pressure sleeve, which is connected with the guide rod.
Has the advantages that:
the device for detecting the sensitivity of the local part of the human body to the pain caused by the pressure transmits the pressure through the guide rod, and the guide rod is sleeved with the shell, so that the component force deviating from the direction of the guide rod can be counteracted, and the pressure detection precision is higher; the guide rod is tightly pressed on the surface of the sensor by utilizing the tension of the spring, so that the guide rod is well contacted with the sensor, the gap between the guide rod and the sensor is eliminated, and the detection dead zone of pressure detection is avoided; the pressure sleeve adopts the connection scheme of detachable replacement, so that the pressure sleeves of different specifications can be replaced by the same pressure detector, and the detection range is wider.
Drawings
The foregoing and/or other advantages of the invention will become further apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic diagram of the internal structure of the device for detecting the sensitivity of the local part of the human body to the pressure-induced pain.
Fig. 2 is an external structure diagram of the device for detecting the sensitivity of the local part of the human body to the pressure-induced pain.
Wherein each reference numeral represents: 1, a handle; 2, fixing the plug; 3, a shell; 4 a pressure sensor; 4-1 data line; 5, a spring; 6, a guide rod; 6-1, the end part is raised; 7, a pressure sleeve; 8 fixing the screw.
Detailed Description
The invention will be better understood from the following examples.
The structures, proportions, and dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the skilled in the art. In addition, the terms "upper", "lower", "front", "rear" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
As shown in fig. 1, the device for detecting the sensitivity of the local part of the human body to the pressure-induced pain is in the shape of a pistol which is composed of a detection body and a handle 1.
Wherein, detect the main part and include casing 3, casing 3 is hollow structure, is equipped with the guide arm 6 that can stretch out and draw back in, and the outer end of guide arm 6 is equipped with the pressure cover 7 that is used for with human body surface contact, and the inner is restricted in inside the detection main part to can stretch out and draw back the removal in the detection main part. The top of the handle 1 is sleeved at the bottom of the shell 3, and the handle 1 is fixed at the bottom of the shell 3 through a fixing screw 8.
The inner end of the shell 3, which is close to the guide rod 6, is provided with a pressure sensor 4, and the pressure sensor 4 is connected with an external pressure display through a data line 4-1 and used for displaying the pressure value of the guide rod 6 on the pressure sensor 4 in real time. The data line 4-1 passes through the handle 1 and then penetrates out of the bottom of the handle 1.
The inner end of the shell 3, which is positioned on the guide rod 6, is provided with a cavity, and the inner end of the guide rod 6 is provided with an end part bulge 6-1 which is matched with the inner wall of the cavity; the inner end of the guide rod 6 is sleeved with a spring 5, the end part of the spring 5 is pressed against the end part bulge 6-1 of the guide rod 6 and is compressed and filled in the cavity of the shell 3, and the inner end of the guide rod 6 is attached to the pressure sensor 4 through the tension of the spring 5.
The rear end of casing 3 is equipped with fixed stopper 2, the external screw thread is established to fixed stopper 2 outside, and the internal thread is established to 3 rear ends of casing, fixes fixed stopper 2 screw in casing 3 rear ends through interior external screw thread, and fixed back, and the inside and the pressure sensor 4 of fixed stopper 2 are laminated mutually.
The pressure sleeve 7 is detachably arranged at the outer end of the guide rod 6, the pressure sleeve 7 is made of medical rubber, and the size of one end of the pressure sleeve, which is in contact with the body surface of a human body, is larger than that of the other end of the pressure sleeve, which is connected with the guide rod 6.
When the pressure detection device is used, a user holds the handle 1 by hand, the pressure sleeve 7 is pressed on the body surface of the human body in a direction perpendicular to the body surface of the human body, appropriate pressure is applied, the pressure value of the body surface can be detected, and the sensitivity of the local part of the human body to pressure-induced pain is detected according to the pain feeling of a testee.
The present invention provides a method and a device for detecting the sensitivity of a local part of a human body to pressure-induced pain, and a method and a way for implementing the method are numerous, and the above description is only a preferred embodiment of the present invention, and it should be noted that, for a person skilled in the art, several modifications and embellishments can be made without departing from the principle of the present invention, and these should be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (7)
1. A device for detecting the sensitivity of a human body's local region to pressure-induced pain, comprising a detecting body and a handle (1);
a telescopic guide rod (6) is arranged in the detection main body, a pressure sleeve (7) which is used for contacting with the body surface of a human body is arranged at the outer end of the guide rod (6), and the inner end of the guide rod is limited in the detection main body and can move in the detection main body in a telescopic way;
the inner end, close to the guide rod (6), in the detection main body is provided with a pressure sensor (4), and the pressure sensor (4) is connected with an external pressure display through a data line (4-1) and used for displaying a pressure value of the guide rod (6) on the pressure sensor (4) in real time.
2. The device for detecting the sensitivity of a local part of a human body to pressure-induced pain according to claim 1, wherein the detection body comprises a shell (3), the shell (3) is of a hollow structure, and the guide rod (6) movably penetrates through the shell (3); the handle (1) is fixedly connected with the bottom of the shell (3).
3. The device for detecting the sensitivity of a human body part to pressure-induced pain according to claim 2, characterized in that the housing (3) is provided with a cavity at the inner end of the guide rod (6), and the inner end of the guide rod (6) is provided with an end protrusion (6-1) which is adapted to the inner wall of the cavity; the inner end of the guide rod (6) is sleeved with a spring (5), the end part of the spring (5) is pressed against the end part bulge (6-1) of the guide rod (6) and is compressed and filled in the cavity of the shell (3), and the inner end of the guide rod (6) is attached to the pressure sensor (4) through the tension of the spring (5).
4. The device for detecting the sensitivity of the local part of the human body to the pain caused by the pressure as claimed in claim 3, wherein the rear end of the shell (3) is provided with a fixed plug (2), the outside of the fixed plug (2) is provided with an external thread, the rear end of the shell (3) is provided with an internal thread, the fixed plug (2) is screwed into the rear end of the shell (3) through the internal thread and the external thread for fixing, and after the fixed plug (2) is fixed, the inside of the fixed plug (2) is attached to the pressure sensor (4).
5. The device for detecting the sensitivity of a human body part to pressure-induced pain according to claim 2, wherein the top of the handle (1) is sleeved on the bottom of the shell (3), and the handle (1) is fixed on the bottom of the shell (3) through a fixing screw (8).
6. Device for detecting the sensitivity of a human body part to pressure-induced pain according to claim 5, characterized in that the data line (4-1) passes through the handle (1) and then out of the bottom of the handle (1).
7. The device for detecting the sensitivity of the local part of the human body to the pressure-induced pain according to claim 1, wherein the pressure sleeve (7) is detachably arranged at the outer end of the guide rod (6), the pressure sleeve (7) is made of medical rubber, and the size of one end of the pressure sleeve contacting with the surface of the human body is larger than that of the other end connected with the guide rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008391.3A CN111973162A (en) | 2020-09-23 | 2020-09-23 | Device for detecting sensitivity of human body local to pressure-induced pain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008391.3A CN111973162A (en) | 2020-09-23 | 2020-09-23 | Device for detecting sensitivity of human body local to pressure-induced pain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111973162A true CN111973162A (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011008391.3A Pending CN111973162A (en) | 2020-09-23 | 2020-09-23 | Device for detecting sensitivity of human body local to pressure-induced pain |
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| Country | Link |
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| CN (1) | CN111973162A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654729A (en) * | 2013-12-12 | 2014-03-26 | 张军 | Pressing pain mechanics tester |
| CN212394897U (en) * | 2020-09-23 | 2021-01-26 | 江苏省中医院 | Device for detecting sensitivity of human body local to pressure-induced pain |
-
2020
- 2020-09-23 CN CN202011008391.3A patent/CN111973162A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654729A (en) * | 2013-12-12 | 2014-03-26 | 张军 | Pressing pain mechanics tester |
| CN212394897U (en) * | 2020-09-23 | 2021-01-26 | 江苏省中医院 | Device for detecting sensitivity of human body local to pressure-induced pain |
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