Detection probe, transmission device, and detection instrument

Patent metadata

Field	Value
Publication number	US-12390193-B2
Application number	US-202318472263-A
Country	US
Kind code	B2
Filing date	Sep 22, 2023
Priority date	Mar 23, 2021
Publication date	Aug 19, 2025
Grant date	Aug 19, 2025

Abstract

A detection probe, a transmission device, and a detection instrument. The detection probe includes a housing defining a receiving space, a detection mechanism disposed on an end of the housing and configured to perform a detection function, a drive mechanism disposed in the receiving space and configured to output power, a rope transmission mechanism disposed in the receiving space and including a rope connected to the driving mechanism and the detection mechanism respectively and a reversing assembly including at least two reversing pulley groups arranged along an extension path of the rope, and a gear transmission mechanism disposed in the receiving space and connected to the driving mechanism and the rope transmission mechanism respectively, so as to receive the power output by the driving mechanism and transmit the power to the rope transmission mechanism.

First claim

What is claimed is:

1. A detection probe, comprising:
a housing, defining a receiving space;
a detection mechanism, disposed on an end of the housing and configured to perform a detection function;
a driving mechanism, disposed in the receiving space and configured to output power;
a rope transmission mechanism, disposed in the receiving space and comprising:
a rope, connected to the driving mechanism and the detection mechanism respectively, and configured to receive the power output by the driving mechanism, transmit the power to the detection mechanism, and drive the detection mechanism to move; and
a reversing assembly, comprising at least two reversing pulley groups arranged along an extension path of the rope, wherein the rope sequentially bypasses the two reversing pulley groups, and a transmission direction is changed under an action of the two reversing pulley groups; and
a tensioning assembly, arranged on the extension path of the rope and configured to apply force to the rope to make the rope in a tensioned state; and

a gear transmission mechanism, disposed in the receiving space and connected to the driving mechanism and the rope transmission mechanism respectively, so as to receive the power output by the driving mechanism and transmit the power to the rope transmission mechanism;
wherein the detection probe further comprises a support shaft connected to the housing; and
the tensioning assembly comprises:
a tensioning adjustment base, rotatably connected to the support shaft;
one or more tensioning pulleys, rotatably connected to the tensioning adjustment base, wherein the rope is wound on a periphery of the tensioning pulley, respectively; and
a force applying member, configured to apply a tensioning adjustment force to the tensioning adjustment base, such that the tensioning adjustment base rotates around the support shaft, and applies force to the rope through the tensioning pulley to make the rope in the tensioned state;

wherein the detection probe further comprises one of a case I and a case II;
in the case I, a number of the one or more tensioning pulleys is two; and
the tensioning adjustment base comprises:
a first adjusting arm;
a second adjusting arm, connected to the first adjusting arm, wherein the tensioning adjustment base is rotatably connected to the support shaft at a connection between the first adjusting arm and the second adjusting arm; and
a first tensioning pulley shaft, connected to an end of the first adjusting arm away from the second adjusting arm, wherein two tensioning pulleys are rotatably sleeved on the first tensioning pulley shaft, respectively;

wherein the force applying member is connected to an end of the second adjusting arm away from the first adjusting arm, and is configured to apply the tensioning adjustment force to the end of the second adjusting arm away from the first adjusting arm, such that the tensioning adjustment base rotates around the support shaft, the two tensioning pulleys adaptively rotate around the first tensioning pulley shaft and apply force to the rope, and the rope is in the tensioned state;
in the case II, a number of the one or more tensioning pulleys is two; and
the tensioning adjustment base comprises:
a rotating arm, an end of the rotating arm being rotatably connected to the support shaft; and
a second tensioning pulley shaft, arranged at an end of the rotating arm away from the support shaft, wherein two tensioning pulleys are rotatably sleeved on the second tensioning pulley shaft, respectively:

wherein the force applying member is connected to the second tensioning pulley shaft and is configured to apply the tensioning adjustment force to the second tensioning pulley shaft, such that the tensioning adjustment base rotates around the support shaft, the two tensioning pulleys adaptively rotate around the second tensioning pulley shaft and apply force to the rope, and the rope is in the tensioned state.

2. The detection probe according to claim 1 , wherein in the case II, the detection probe further comprises a support member connected to the housing; and
the force applying member is a torsional elastic member, and comprises:
a torsional elastic portion, sleeved around a periphery of the support shaft;
a first support end, connected to one side of the torsional elastic portion and abutting against the support member; and

a second support end, connected to the other side of the torsional elastic portion, abutting against the second tensioning pulley shaft, and applying the tensioning adjustment force to the second tensioning pulley shaft under an elastic force of the torsional elastic portion.

3. The detection probe according to claim 1 , wherein the rope transmission mechanism further comprises:
a rope pulley, wherein the rope is wound on a periphery of the rope pulley;
a stabilizing pulley group, arranged between the rope pulley and the reversing assembly along the extension path of the rope, and comprising two stabilizing pulleys spaced apart from each other, wherein two sides of the rope are respectively wound on peripheries of the corresponding stabilizing pulleys between the two stabilizing pulleys.

4. The detection probe according to claim 1 , wherein the rope transmission mechanism further comprises a rope pulley, and the rope is wound on a periphery of the rope pulley; and
the gear transmission mechanism comprises:
a sun gear, connected to the driving mechanism and rotating under driving of the driving mechanism;
a ring gear, sleeved on a periphery of the sun gear, arranged coaxially with the sun gear, and spaced apart from the sun gear;
a plurality of planetary gears, arranged between the sun gear and the ring gear, and spaced apart from each other, wherein one side of each of the plurality of planetary gears is engaged with the sun gear, and the other side of each of the plurality of planetary gears is engaged with an inner side of the ring gear, such that the plurality of planetary gears rotate with the sun gear; and
a planetary carrier, connected to the plurality of planetary gears and the rope pulley, wherein the planetary carrier is driven by the plurality of the planetary gears to rotate coaxially with the sun gear, such that the rope pulley is driven to rotate, and the detection mechanism is driven to move with a rotation of the rope pulley by the rope.

5. The detection probe according to claim 1 , wherein a transmission ratio of the gear transmission mechanism is greater than 1.

6. The detection probe according to claim 1 , further comprising:
a mounting base, arranged on the housing and surrounded by an inner sidewall of the housing, and defining a mounting hole penetrating the mounting base;
wherein the gear transmission mechanism and the rope transmission mechanism are arranged on a side of the mounting base, and the gear transmission mechanism is connected to the driving mechanism via the mounting hole.

7. The detection probe according to claim 1 , wherein the receiving space comprises an extension area and a receiving area; and
the housing comprises:
an extension portion, corresponding to the extension area, wherein the rope transmission mechanism is at least partially accommodated in the extension area; and
a handheld portion, connected to an end of the extension portion, and corresponding to the receiving area, wherein the driving mechanism is accommodated in the receiving area.

8. The detection probe according to claim 1 , wherein in the case I, the first adjusting arm and the second adjusting arm are crosswise connected to each other, and the tensioning adjustment base is rotatably sleeved on a periphery of the support shaft at the connection.

9. The detection probe according

Assignees

• Edan Instruments Inc

Inventors

• Luo Hua
• Zhou Dan
• Ma Qi
• Ouyang Bo
• Mo Jianhua

Classifications

• A61B8/4444

  related to the probe · CPC title

• G01N2291/02475

  Tissue characterisation · CPC title

• G01N29/28

  providing acoustic coupling {, e.g. water (impedance matching G10K11/02)} · CPC title

• G01N29/226

  Handheld or portable devices · CPC title

• A61B8/4466

  involving deflection of the probe · CPC title