CN217505063U

CN217505063U - Extrusion detection device for medical equipment

Info

Publication number: CN217505063U
Application number: CN202221409684.7U
Authority: CN
Inventors: 黄益琪; 钱昕
Original assignee: Siemens Shanghai Medical Equipment Ltd
Current assignee: Siemens Shanghai Medical Equipment Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-27
Anticipated expiration: 2032-05-30

Abstract

The embodiment of the utility model discloses extrusion detection device for medical equipment, this extrusion detection device include buffering part and extrusion detection part, and the buffering part has elasticity and attaches on outer port along the circumference direction of the outer port of medical equipment's horn section of thick bamboo, and extrusion detection part sets up in the buffering part with the extrusion of detection external force to the buffering part. According to the utility model discloses an extrusion detection device for medical equipment can detect out external force to medical equipment's collision fast sensitively during the scanning to and change the removal route of scanning bed in time, thereby protect patient's safety, avoid causing the injury to the patient.

Description

Extrusion detection device for medical equipment

Technical Field

The utility model relates to a medical equipment technical field, especially an extrusion detection device for medical equipment.

Background

Medical equipment such as CT scanners, Magnetic Resonance (MR) equipment, Positron Emission Tomography (PET) equipment, and the like are fully functional disease detection instruments, and are often used in medicine to detect human diseases. Taking a CT scanner as an example, during a CT scan, if the patient moves, there is a risk of collision with the gantry, possibly injuring the patient.

Currently, the major CT manufacturers use "interference curve methods" to prevent the couch from colliding with the gantry, but there is no specific method to prevent the body part of the patient from colliding with the gantry. Therefore, the technician needs to pay close attention to the movement of the scanning bed to avoid accidents during the scanning process.

Chinese utility model with application number 201420475626.3 discloses a medical equipment has a distance detector, can send instruction signal when frame and subject are about to touch, makes the doctor remove constantly to attend to the trouble of interval between frame and the subject.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides an extrusion detection apparatus for medical equipment, which can detect the collision of external force to medical equipment quickly and sensitively during scanning and change the moving route of the scanning bed in time, thereby protecting the safety of patients and avoiding injury to patients.

The embodiment of the utility model provides a technical scheme is so realized:

an extrusion detection device for medical equipment comprises a buffer component and an extrusion detection component, wherein the buffer component has elasticity and is attached to a port with a smaller diameter along the circumferential direction of the port with the smaller diameter of a horn of the medical equipment, and the extrusion detection component is arranged in the buffer component to detect the extrusion of external force on the buffer component.

The pressing detection member includes a first metal sheet provided in the buffer member near a circumferential inner surface of the buffer member and a second metal sheet provided in the buffer member near a circumferential outer surface of the buffer member, the first metal sheet and the second metal sheet constituting a capacitor.

The compression detection section measures the capacitance of the capacitor, and determines that the cushion member is compressed when the change in capacitance exceeds a predetermined threshold.

The pressing detection member is an air pressure sensor provided in the buffer member.

The air pressure sensor is configured to measure air pressure inside the cushioning member, and the crush detection member determines that the cushioning member is crushed when a change in the air pressure exceeds a predetermined threshold.

The cushioning component is adhered to the smaller diameter port by an adhesive.

The buffer part is a silica gel ring.

The maximum distance between the circumferential inner surface and the circumferential outer surface of the cushioning member when not compressed is 1cm to 2 cm.

The pressing detection member is a plurality of pressing detection members that are evenly provided in the buffer member at intervals in the circumferential direction of the buffer member.

The buffer member is composed of a plurality of segments connected end to end, and a plurality of the pressing detection members are provided in the plurality of segments in one-to-one correspondence with the plurality of segments.

Drawings

The above and other features and advantages of the present invention will become more apparent to those of ordinary skill in the art by describing in detail preferred embodiments thereof with reference to the attached drawings, in which:

fig. 1 is a schematic view of a compression detection apparatus for a CT scanner according to an embodiment of the present invention when the apparatus is mounted on the CT scanner;

fig. 2 is a schematic diagram of a crush detection apparatus for a CT scanner provided in accordance with an embodiment of the present invention, wherein a buffer member is cut away to show a crush detection member;

fig. 3 is a schematic diagram of a compression detection apparatus for a CT scanner according to another embodiment of the present invention, wherein the buffering member is cut away to show the compression detection member.

Wherein the reference numbers are as follows:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further described in detail by referring to the following embodiments.

Medical equipment such as a CT scanner, MR equipment, PET equipment and the like comprises a rack, a scanning bed and the like, wherein the rack is provided with a hollow cavity, and two ends of the rack are in a horn shape. The following description of the embodiments takes a CT scanner as an example, and the implementation in other medical devices is the same or similar, and is not repeated here.

First, refer to fig. 1. Fig. 1 is a schematic view of a pressing detection device for a CT scanner according to an embodiment of the present invention when installed on the CT scanner.

As shown in fig. 1, the pressing detection device 10 for CT scanner according to the embodiment of the present invention includes a buffer member 101, and the buffer member 101 has elasticity and is attached to the smaller diameter port of the horn 21 of the CT scanner 20 along the circumferential direction of the smaller diameter port to slow down pressing when the pressing detection device 10 is pressed.

Further, the pressing detection device 10 further includes a pressing detection part provided in the cushioning part 101 to detect pressing of the cushioning part 101 by an external force.

In order to more clearly show the pressing detection component, the buffering component is cut away in fig. 2 and fig. 3, wherein fig. 2 is a schematic diagram of the pressing detection device for the CT scanner according to the embodiment of the present invention, and fig. 3 is a schematic diagram of the pressing detection device for the CT scanner according to another embodiment of the present invention.

First, see FIG. 2.

In the pressing detection device for a CT scanner provided in accordance with the embodiment of the present invention shown in fig. 2, the pressing detection part includes a first metal piece 102A disposed in the buffer part 101 near the circumferential inner surface of the buffer part 101 and a second metal piece 102B disposed in the buffer part 101 near the circumferential outer surface of the buffer part 101, and the first metal piece 102A and the second metal piece 102B constitute a pair of capacitors.

At this time, the pressing detection part measures the capacitance of the capacitor, and when the change in the capacitance exceeds a predetermined threshold, the pressing detection part determines that the cushioning part 101 is pressed.

Next, see fig. 3.

In another embodiment of the invention, shown in fig. 3, the compression detecting device for CT scanner is an air pressure sensor 103 disposed in the buffering component 101.

At this time, the air pressure sensor 103 is configured to measure the air pressure inside the cushioning member 101, and when the change in the air pressure exceeds a predetermined threshold value, the crush detection member determines that the cushioning member 101 is crushed.

After it is determined by the compression detecting part that the buffer part 101 is compressed, the compression detecting part transmits a signal indicating that the buffer part 101 is compressed to the controller, and the controller instructs the driving device to change the moving route of the scanning bed upon receiving the signal, thereby preventing the collision of the body part of the patient with the gantry.

According to the utility model discloses an extrusion detection device for CT scanner can detect out the collision of external force to CT scanner fast sensitively during the scanning to and change the removal route of scanning bed in time, thereby protect patient's safety, avoid causing the injury to the patient.

In an alternative embodiment, cushioning member 101 is adhered to the smaller diameter port by an adhesive.

In an alternative embodiment, the buffer member 101 is a silicone ring.

In an alternative embodiment, the maximum distance between the circumferential inner surface and the circumferential outer surface of the cushioning member 101 when uncompressed is 1cm to 2 cm.

In an alternative embodiment, the pressing detection member is a plurality of pressing detection members that are evenly arranged in the cushioning member 101 at intervals in the circumferential direction of the cushioning member 101.

In an alternative embodiment, the buffer member 101 is formed by a plurality of segments connected end to end, and the plurality of pressing detection members are provided in the plurality of segments in one-to-one correspondence with the plurality of segments.

By the mode, which part of the buffering component is extruded can be accurately judged, so that technicians can conveniently and quickly check the buffering component, the safety of a patient is protected, and the patient is prevented from being injured.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An extrusion detecting apparatus for a medical device, characterized in that the extrusion detecting apparatus (10) includes a buffer member (101) and an extrusion detecting member, the buffer member (101) has elasticity and is attached to a smaller-diameter port of a horn (21) of the medical device (20) in a circumferential direction of the smaller-diameter port, and the extrusion detecting member is provided in the buffer member (101) to detect extrusion of the buffer member (101) by an external force.

2. The pressing detection apparatus according to claim 1, wherein the pressing detection member includes a first metal piece (102A) provided in the buffer member (101) near a circumferential inner surface of the buffer member (101) and a second metal piece (102B) provided in the buffer member (101) near a circumferential outer surface of the buffer member (101), the first metal piece (102A) and the second metal piece (102B) constituting a pair of capacitors.

3. The crush detection device according to claim 2, wherein the crush detection means is configured to measure a capacitance of the capacitor, and the crush detection means determines that the cushion member (101) is crushed when a change in the capacitance exceeds a predetermined threshold.

4. The squeezing detection device according to claim 1, wherein the squeezing detection means is an air pressure sensor (103) provided in the buffer member (101).

5. The crush detection device according to claim 4, wherein the air pressure sensor (103) is configured to measure an air pressure in the buffer member (101), and the crush detection member determines that the buffer member (101) is crushed when a change in the air pressure exceeds a predetermined threshold.

6. The extrusion detection apparatus according to any one of claims 1 to 5, wherein the buffer member (101) is adhered to the smaller-diameter port by an adhesive.

7. The extrusion detection apparatus as recited in any of claims 1 to 5, wherein the buffer member (101) is a silicone ring.

8. The compression detection apparatus according to any one of claims 1 to 5, wherein the maximum distance between the circumferential inner surface and the circumferential outer surface of the buffer member (101) when not compressed is 1cm to 2 cm.

9. The squeezing detection device according to any one of claims 1 to 5, characterized in that the squeezing detection means is a plurality of squeezing detection means that are evenly provided in the cushioning member (101) at intervals in the circumferential direction of the cushioning member (101).

10. The squeezing detection device according to claim 9, wherein the buffer member (101) is constituted by a plurality of segments connected end to end, the plurality of squeezing detection members being provided in the plurality of segments in one-to-one correspondence with the plurality of segments.