Auxiliary puncture device
By using the real-time angle measurement and adjustment of the auxiliary puncture device, the problem of inaccurate puncture angle control is solved, and more efficient and safer puncture operations are achieved. It is especially suitable for cranial nerve, spinal nerve root, posterior branch of spinal nerve and intervertebral disc puncture under DSA, C-arm or CT guidance.
Patent Information
- Application Number
- CN202422328297.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-09-23
AI Technical Summary
Existing techniques make it difficult to precisely control the puncture angle during puncture, leading to risks such as bleeding from large blood vessels, pneumothorax, or organ perforation.
An auxiliary puncture device is used, including a mounting plate, an electronic angle measuring instrument, and a puncture needle fixing device. The electronic angle measuring instrument is used to measure and adjust the angle of the puncture needle in real time, reducing visual errors and repeated punctures.
It improves the accuracy of puncture, reduces damage to nerves, blood vessels and tissues, shortens the interventional treatment time, and reduces the number of fluoroscopy sessions and the risk of injury to patients.
Smart Images

Figure CN223504298U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument tool technical field especially, and it is a kind of auxiliary puncture device. BACKGROUND
[0002] DSA, C arm, CT guide cranial nerve, spinal nerve root, spinal nerve posterior branch radio frequency, block technique and intervertebral disc puncture treatment and other technologies are emerging technologies commonly used in pain department in recent years, with the advantages of accurate positioning and target precise treatment.The technology is usually adopted puncture trocar at present, in clinical operation, first pre-positioning puncture point, in combination with imaging examination, judge puncture angle and puncture depth, adjust to puncture target point position by perspective while puncturing.But, since cranial nerve, spinal nerve root, spinal nerve posterior branch, intervertebral disc radio frequency and block technique are mainly punctured to target nerve and intervertebral disc, important tissues such as large blood vessels and lymphatic vessels often accompany around puncture channel, even some close to pleura and viscera.If puncture angle cannot be accurately controlled, there is a great risk of injuring large blood vessels to cause massive hemorrhage, or causing pneumothorax, viscera perforation and other dangers. SUMMARY
[0003] The technical problem to be solved by the utility model is to provide an auxiliary puncture device to solve the problem of inaccurate control of puncture angle during puncture.
[0004] In order to solve the above technical problem, the utility model adopts the technical scheme of an auxiliary puncture device, which comprises a mounting plate, an electronic angle measuring instrument and a puncture needle fixing device, the electronic angle measuring instrument and the puncture needle fixing device are arranged on the mounting plate, wherein the electronic angle measuring instrument is arranged on the upper surface of the mounting plate, and the puncture needle fixing device is arranged on the lower surface of the mounting plate away from the electronic angle measuring instrument.
[0005] Further, in the auxiliary puncture device, the puncture needle fixing device comprises two arc-shaped clamping plates, and the two arc-shaped clamping plates are symmetrically arranged in the horizontal length direction of the mounting plate.
[0006] Further, in the auxiliary puncture device, the arc-shaped openings of the two arc-shaped clamping plates are oppositely arranged.
[0007] Further, in the auxiliary puncture device, the electronic angle measuring instrument comprises an angle sensor, a control module and a display module, and the control module is electrically connected with the angle sensor and the display module.
[0008] Further, in the auxiliary puncture device, the electronic angle measuring instrument further comprises a switch button, and the switch button is electrically connected with the control module.
[0009] Further, the auxiliary puncture device has the alarm module.
[0010] Further, the auxiliary puncture device has the alarm module.
[0011] Further, the auxiliary puncture device has the length scale line.
[0012] Further, the auxiliary puncture device has the metal mounting plate.
[0013] Further, the auxiliary puncture device has the plastic puncture needle fixing device.
[0014] The auxiliary puncture device can reduce the repeated puncture caused by the naked eye error, avoid the too large or too small puncture needle angle, accurately grasp the puncture angle in the uneven operation position, and reduce the unnecessary nerve, blood vessel and tissue damage, the puncture time in the interventional treatment, the number of times of perspective of medical staff and patients, and the puncture damage. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 FIG. 1 is a structure schematic view of the auxiliary puncture device in one embodiment under one view angle;
[0016] Figure 2 FIG. 2 is a front view of the auxiliary puncture device in one embodiment;
[0017] Figure 3 FIG. 3 is a top view of the auxiliary puncture device in one embodiment;
[0018] Figure 4 FIG. 4 is a right view of the auxiliary puncture device in one embodiment.
[0019] Label explanation:
[0020] 1, mounting plate;
[0021] 2, electronic angle measuring instrument; 21, electronic screen;
[0022] 3, puncture needle fixing device; 31, arc-shaped clamping plate. DETAILED DESCRIPTION
[0023] In order to explain the technical content of the utility model, the purpose and effect realized, the following will be explained in combination with the embodiment and the drawings.
[0024] In practical application, DSA, C arm, CT guided spinal nerve radiofrequency, spinal nerve root, spinal nerve posterior branch radiofrequency, block technology and intervertebral disc puncture treatment technology are emerging technologies applied in pain department in recent years, which have the advantages of accurate positioning and precise target treatment. At present, the above technologies often use puncture trocar. In clinical operation, the puncture point is positioned in advance, combined with imaging examination, the puncture angle and puncture depth are judged, and the puncture target point position is adjusted by perspective while puncturing. How to accurately control the puncture angle, there is no specific measure. It should be noted that cranial nerve, spinal nerve root, spinal nerve posterior branch, intervertebral disc radiofrequency and block technology are mainly punctured into target nerve and intervertebral disc, and important tissues such as large blood vessels and lymphatic vessels often accompany around the puncture channel, even some close to the pleura and organs. If the angle is not controlled well, there is a great risk of injuring large blood vessels to cause massive hemorrhage, or causing pneumothorax, organ perforation and other dangers.
[0025] In order to avoid the above risks, reduce the number of punctures, and puncture more accurately and quickly to the target point, the utility model provides an auxiliary puncture device which can measure the puncture angle in real time. Please refer to Figures 1 to 4 The utility model relates to an auxiliary puncture device, which comprises a mounting plate 1 (such as a metal ruler), an electronic angle measuring instrument 2 and a puncture needle fixing device 3, the electronic angle measuring instrument 2 and the puncture needle fixing device 3 are arranged on the mounting plate 1, wherein the electronic angle measuring instrument 2 is arranged on the upper surface of the mounting plate 1, and the puncture needle fixing device 3 is arranged on the lower surface of the mounting plate 1 away from the electronic angle measuring instrument 2.
[0026] In practical application, the auxiliary puncture device mainly consists of three parts, namely, the electronic angle measuring instrument 2, the mounting plate 1 (such as a metal ruler) and the puncture needle fixing device 3, wherein the electronic angle measuring instrument 2 is arranged on the front surface of the mounting plate 1, and the puncture needle fixing device 3 is arranged on the back surface of the mounting plate 1, that is, the puncture needle fixing device 3 is arranged on the surface of the mounting plate 1 away from the electronic angle measuring instrument 2. It should be noted that the electronic angle measuring instrument 2 can be used to measure the real-time puncture angle, and the puncture needle fixing device 3 is used to fix the puncture needle. In actual use, the puncture needle is fixed on the puncture needle fixing device 3, and since the electronic angle measuring instrument 2 is arranged on the mounting plate 1, the electronic angle measuring instrument 2 can measure the inclination angle of the mounting plate 1 in real time, that is, the real-time puncture angle of the puncture needle on the mounting plate 1 can be measured in real time. Therefore, when the puncture needle is punctured along the preset angle, the puncture needle can be adjusted according to the puncture angle of the puncture needle measured by the electronic angle measuring instrument 2 in real time, that is, the direction of the puncture needle is adjusted in real time according to the measured angle, so that the needle body is inserted along the predetermined angle. As described above, the utility model can reduce the repeated puncture caused by the naked eye error, avoid the puncture needle angle being too large or too small, and accurately grasp the puncture angle at uneven operation sites, and real-time adjustment can cause unnecessary nerve, blood vessel and tissue damage. On the other hand, the utility model can also reduce the puncture time in interventional therapy, reduce the number of medical staff and patient perspective, and reduce puncture damage, and the utility model is a reusable material, simple and practical, low in cost, flexible in use, and suitable for clinical work.
[0027] As can be known from the above description, the auxiliary puncture device of the utility model has the beneficial effects that the auxiliary puncture device can measure the puncture angle in real time, and adjust the direction of the puncture needle according to the measured angle. In practical application, the auxiliary puncture device of the utility model can be used in the puncture treatment of facial nerves, cervical, thoracic, lumbar nerve roots, posterior branches of spinal nerves, intervertebral discs and the like under the guidance of medical staff DSA, C-arm or CT. According to the preoperative measurement angle, the puncture needle angle direction is accurately adjusted in real time at the puncture point position, the target point required to be reached is accurately controlled, especially in the puncture of facial nerves, cervical, thoracic nerves and intervertebral discs, which can reduce the damage to important tissues such as deep blood vessels, nerves and lungs, reduce the puncture times, reduce the damage to patients, reduce the exposure time of rays and shorten the operation time.
[0028] Further, in the auxiliary puncture device, the puncture needle fixing device comprises two arc-shaped clamping plates, and the two arc-shaped clamping plates are symmetrically arranged along the horizontal length direction of the mounting plate.
[0029] In practical application, the puncture needle fixing device 3 comprises two arc-shaped clamping plates 31, and the two arc-shaped clamping plates are symmetrically arranged along the length direction of the mounting plate as the central axis. As can be known from the above description, the two arc-shaped clamping plates are the same structure and symmetrically arranged. Figure 3and Figure 4 As shown in the drawings, each arc-shaped clamping plate has a certain arc angle, and the arc-shaped openings of the two arc-shaped clamping plates are oppositely arranged, and the arc-shaped openings of the arc-shaped clamping plates face the adjacent arc-shaped clamping plates to form a space similar to a cylindrical body. In actual use, the puncture needle can be clamped between the two arc-shaped clamping plates, so as to fix the puncture needle on the mounting plate. It should be noted that the specific arrangement of the puncture needle fixing device 3 can be set according to actual conditions, which is not limited here.
[0030] Further, in the auxiliary puncture device, the electronic angle measuring instrument comprises an angle sensor, a control module and a display module, and the control module is electrically connected with the angle sensor and the display module respectively.
[0031] Further, in the auxiliary puncture device, the electronic angle measuring instrument further comprises a switch button, and the switch button is electrically connected with the control module.
[0032] As can be known from the above description, the angle sensor can be used to measure the inclination angle and send the measured inclination angle to the control module, and the control module will send the inclination angle to the display module after receiving it, so as to display the inclination angle, i.e. the puncture angle. In addition, the electronic angle measuring instrument is also provided with a switch button, a zero reset button, a reset button and other corresponding buttons, which can be selected according to actual conditions. The switch button can be used to turn on and off the electronic angle measuring instrument. It should be noted that the electronic angle measuring instrument can take the horizontal plane as the 0 point, and the measuring instrument can measure at any time during use, taking the horizontal plane as the reference for corresponding angle measurement. In actual application, the display module comprises an electronic screen 21, and the electronic screen 21 is used to display the puncture angle in real time.
[0033] Further, in the auxiliary puncture device, the electronic angle measuring instrument further comprises an alarm module, and the alarm module is electrically connected with the control module.
[0034] Further, in the auxiliary puncture device, the alarm module is a loudspeaker module.
[0035] As can be known from the above description, the electronic angle measuring instrument can be provided with an alarm module, and the alarm module can be a loudspeaker module. In actual use, a corresponding target puncture angle can be set, and when the actual measured puncture angle exceeds the predetermined threshold of the target puncture angle, the alarm module (i.e. the loudspeaker module) can issue a corresponding alarm operation, such as an alarm sound.
[0036] Further, the auxiliary puncture device has the length scale line on the installation plate, the length scale line extends along the horizontal length direction of the installation plate, and the scale range of the length scale line is 0-8cm.
[0037] In actual application, the installation plate 1 is a metal ruler with a length scale line, and the length scale range of the length scale line is 0-8cm. It should be noted that the length of the metal ruler can be selected according to actual conditions, which is not limited herein. The corresponding length scale line is arranged on the metal ruler, and can be used for measuring the depth of the puncture needle into the human body.
[0038] Further, the auxiliary puncture device has the length scale line on the installation plate, the length scale line extends along the horizontal length direction of the installation plate, and the scale range of the length scale line is 0-8cm.
[0039] Further, the auxiliary puncture device has the length scale line on the installation plate, the length scale line extends along the horizontal length direction of the installation plate, and the scale range of the length scale line is 0-8cm.
[0040] In actual use, the electronic angle measuring instrument 2 can be adhered to the installation plate 1 by an adhesive. It should be noted that the fixing mode of the electronic angle measuring instrument 2 on the installation plate 1 can be selected according to actual conditions, which is not limited herein.
[0041] Please refer to Figures 1 to 4 The embodiment one of the utility model provides a kind of auxiliary puncture device, it includes installation plate 1, electronic angle measuring instrument 2 and puncture needle fixing device 3, wherein, above-mentioned installation plate 1 is metal ruler, as Figure 1 And Figure 2 The metal ruler is a long strip ruler, and the scale length of the metal ruler is 8cm. An electronic angle measuring instrument 2 is arranged on the upper surface (i.e. front surface) of the metal ruler, and the size of the electronic angle measuring instrument 2 is 57*57*30.5mm. The electronic angle measuring instrument 2 is provided with corresponding buttons and electronic screen, and the electronic angle measuring instrument 2 can be operated by corresponding buttons on the electronic angle measuring instrument 2, for example, Figure 2As shown, the electronic angle measuring instrument is provided with a switch button and a zero reset button, and the electronic angle measuring instrument can be turned on or turned off through the switch button. In addition, the electronic angle measuring instrument is also provided with an electronic screen, and the measured angle size can be displayed in real time through the electronic screen. The back of the metal ruler is provided with a puncture needle fixing device 3, and the puncture needle fixing device 3 includes two arc-shaped clamping plates which are symmetrically arranged. The puncture needle fixing device 3 can be used for fixing the puncture needle, and the puncture needle is fixed on the puncture needle fixing device 3, so that the puncture needle is fixed on the lower surface (i.e. the back surface) of the metal ruler. Since the puncture needle is fixed on the back surface of the metal ruler, the electronic angle measuring instrument 2 can measure the puncture direction of the metal ruler (i.e. the puncture needle) in actual application. It should be noted that the front surface of the metal ruler is the surface with length scale lines, and the back surface of the metal ruler is the other surface. In addition, the electronic angle measuring instrument 2 can be adhered to the mounting plate 1 by an adhesive.
[0042] In summary, the puncture assisting device provided by the utility model has the advantages of the following aspects: (1) the utility model discloses a kind of auxiliary puncture devices that can measure puncture angle in real time and adjust puncture needle direction according to measured angle, which can be used in medical staff DSA, C arm or CT guided face nerve, neck, chest, lumbar nerve root, posterior branch of spinal nerve, intervertebral disc and other puncture treatment processes. In practical application, puncture needle angle direction can be adjusted accurately in real time according to preoperative measurement angle, and target point required to be reached is accurately controlled. Especially in face nerve, neck, chest segment nerve, intervertebral disc puncture, important tissues such as deep blood vessels, nerves and lungs can be reduced to be damaged, and puncture times are reduced, patient damage and radiation exposure time are reduced, and operation time is shortened. (2) it can reduce repeated puncture caused by naked eye error, avoid that puncture needle angle is too large or too small, and accurately grasp puncture angle in uneven operation site, and real-time adjustment is caused unnecessary nerve, blood vessel and tissue damage. In summary, the utility model greatly reduces puncture time in interventional treatment, reduces medical staff and patient perspective times, and reduces puncture damage. At the same time, the design of the utility model is reusable material, simple and practical, low in cost, flexible to use, and suitable for clinical work.
[0043] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in related technical field based on the content of the utility model specification and drawings is also included in the patent protection range of the utility model.
Claims
1. An auxiliary puncture device, characterized in that, The device includes a mounting plate, an electronic angle measuring instrument, and a puncture needle fixing device. Both the electronic angle measuring instrument and the puncture needle fixing device are mounted on the mounting plate. The electronic angle measuring instrument is mounted on the upper surface of the mounting plate, and the puncture needle fixing device is mounted on the lower surface of the mounting plate away from the electronic angle measuring instrument.
2. The auxiliary puncture device according to claim 1, characterized in that, The puncture needle fixing device includes two arc-shaped clamps, which are symmetrically arranged with respect to the horizontal length direction of the mounting plate.
3. The auxiliary puncture device according to claim 2, characterized in that, The arc-shaped openings of the two arc-shaped clamps are arranged opposite each other.
4. The auxiliary puncture device according to claim 1, characterized in that, The electronic angle measuring instrument includes an angle sensor, a control module, and a display module, and the control module is electrically connected to the angle sensor and the display module respectively.
5. The auxiliary puncture device according to claim 4, characterized in that, The electronic angle measuring instrument also includes a switch button, which is electrically connected to the control module.
6. The auxiliary puncture device according to claim 4, characterized in that, The electronic angle measuring instrument also includes an alarm module, which is electrically connected to the control module.
7. The auxiliary puncture device according to claim 6, characterized in that, The alarm module is a speaker module.
8. The auxiliary puncture device according to claim 1, characterized in that, The mounting plate is provided with length scale lines, which extend along the horizontal length direction of the mounting plate, and the scale range of the length scale lines is 0-8cm.
9. The auxiliary puncture device according to claim 1, characterized in that, The mounting plate is a metal mounting plate.
10. The auxiliary puncture device according to claim 1, characterized in that, The puncture needle fixation device is made of plastic.