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CN-116115275-B - Bronchofiberscope sampling device

CN116115275BCN 116115275 BCN116115275 BCN 116115275BCN-116115275-B

Abstract

The invention provides a bronchofiberscope sampling device which comprises an operation part and two groups of installation shells, wherein the operation part is arranged in the two groups of installation shells, one end of the operation part is provided with an eyepiece part, the other end of the operation part is provided with an endoscope connection pipe, one end of the endoscope connection pipe is provided with an endoscope objective lens, a sampling pipe is arranged in the endoscope connection pipe, a traction wire is arranged in the sampling pipe, a traction assembly is arranged in the installation shell and connected with the traction wire, two groups of branch wires at one end of the traction wire are respectively wound on two groups of first wire wheels, one end of each first wire wheel is provided with a conducting rod connected through a reversing assembly, one end of each conducting rod is provided with a connecting sleeve in sliding connection, the connecting sleeve is in elastic connection with the sampling pipe, one end of each connecting sleeve is provided with a spiral cutting knife, each spiral cutting knife is arranged in a shielding cylinder at one end of the sampling pipe, and a cutting assembly is arranged in the shielding cylinder. After the sampling device samples the lesion position, the sample is not easy to fall off in the process of taking out the patient, and the sampling efficiency is improved.

Inventors

  • SUN XIAORONG
  • WEN JIAN
  • LIU JIAMING
  • ZHOU PEIHUA

Assignees

  • 中国人民解放军陆军军医大学第二附属医院

Dates

Publication Date
20260512
Application Date
20230113

Claims (10)

  1. 1. Bronchofiberscope sampling device, its characterized in that includes: An operation unit (101), a mounting case (401), an endoscope objective lens (106), a sampling unit, and an operation mechanism; The operation part (101) is arranged in the mounting shell (401), the operation part (101) is connected with the endoscope objective lens (106) through an endoscope connecting pipe (105), and a sampling pipe (202) is arranged in the endoscope connecting pipe (105); The sampling assembly comprises a spiral cutter (704), the spiral cutter (704) can be rotatably arranged in a shielding cylinder (206) at one end of the sampling tube (202) along the axis of the spiral cutter, and a cutting assembly is arranged in the shielding cylinder (206); the operating mechanism is arranged in the mounting shell (401) and is used for driving the spiral cutting knife (704) to rotate; The cutting assembly comprises a straight cutting knife (803), a first mounting rod (801) and a second mounting rod (805) are respectively arranged at two ends of the straight cutting knife (803), the first mounting rod (801) is rotatably arranged in the spiral cutting knife (704) in a penetrating mode, the axis of the first mounting rod (801) coincides with the axis of the spiral cutting knife (704), a clamping block (802) at one end of the first mounting rod (801) is rotatably clamped in the spiral cutting knife (704), the second mounting rod (805) is arranged in the shielding cylinder (206) in a penetrating mode, a falling-preventing supporting plate (806) is arranged on one side of the straight cutting knife (803), and a control groove (804) is formed in one side of the straight cutting knife (803), and after the spiral cutting knife (704) rotates to a limiting position, a cavity for accommodating a sample is formed by the falling-preventing supporting plate (806).
  2. 2. The bronchoscope sampling device according to claim 1, wherein the operating mechanism comprises a pulling wire (301) arranged in the sampling tube (202), a pulling component is arranged in the mounting shell (401) and connected with the pulling wire (301), the pulling component is used for pulling one end of the pulling wire (301) to enable the pulling wire to move in the sampling tube (202), two groups of rotatable first wire wheels (502) are arranged at the other end of the pulling wire (301), two groups of rotatable first wire wheels (502) are arranged in the sampling tube (202), one ends of the two groups of wire wheels (302) are respectively wound on the two groups of first wire wheels (502) and fixedly connected with a connecting seat (503) on the first wire wheels (502), one end of the first wire wheels (502) is provided with a conducting rod (603) connected through the reversing component, the conducting rod (603) is controlled to rotate along the axis of the first wire wheels (502) through the reversing component in the process of rotating along the axis of the pulling component, one end of the conducting rod (603) is connected with the conducting rod (701) in a sliding mode, and the flexible connecting sleeve (701) is connected with one end of the sampling tube (202) in a sliding mode.
  3. 3. The bronchofiberscope sampling device according to claim 2, wherein the pulling assembly comprises a second wire wheel (303), the second wire wheel (303) is arranged between the first mounting sleeves (402) on the inner sides of the two groups of mounting shells (401) through a rotating shaft, the second wire wheel (303) can rotate along the axis of the second wire wheel, one end of the pulling wire (301) is fixedly connected with the outer circular surface of the second wire wheel (303), an operating frame (304) is arranged at the bottom of the second wire wheel (303), the operating frame (304) is movably arranged in a through groove (404) formed in the bottom of the mounting shells (401), and a handle part (403) is arranged at the bottom of the mounting shells (401).
  4. 4. A bronchofiberscope sampling apparatus according to claim 3, wherein the pulling assembly further comprises an arc-shaped sleeve (305) fixedly arranged at one end of the operation frame (304), a baffle plate (405) is arranged in the installation shell (401), an arc-shaped rod (406) is arranged at the bottom of the baffle plate (405), the arc-shaped rod (406) is arranged in the arc-shaped sleeve (305) in a penetrating manner, a first return spring (407) is sleeved on the arc-shaped rod (406), and two ends of the first return spring (407) are respectively contacted with one end of the arc-shaped sleeve (305) and the bottom surface of the baffle plate (405).
  5. 5. The bronchofiberscope sampling device according to claim 2, wherein two groups of first reels (502) are fixedly connected through a supporting shaft (501), two groups of second installation sleeves (203) are arranged in the sampling tube (202), the supporting shaft (501) is rotatably arranged in the two groups of second installation sleeves (203), one sides of the two groups of first reels (502) are respectively provided with a constant force spring (505), one end of each constant force spring (505) is fixedly connected with the supporting shaft (501), and the other end of each constant force spring is fixedly connected with a clamping seat (204) on the inner side of the sampling tube (202).
  6. 6. The bronchofiberscope sampling device according to claim 5, wherein the reversing assembly comprises a first bevel gear (504) fixedly arranged on the supporting shaft (501), the conducting rod (603) is rotatably arranged in a supporting frame (205) in the sampling tube (202), one end of the conducting rod (603) is provided with a second bevel gear (602) connected through a connecting column (601), and the second bevel gear (602) is meshed with the first bevel gear (504).
  7. 7. The bronchofiberscope sampling device according to claim 2, wherein two groups of positioning ribs (604) are arranged on the outer circular surface of the conducting rod (603), two groups of positioning grooves (702) are formed in the inner side of the connecting sleeve (701), and the connecting sleeve (701) is respectively clamped on the two groups of positioning ribs (604) through the two groups of positioning grooves (702) and is in sliding connection with the conducting rod (603).
  8. 8. The bronchofiberscope sampling device according to claim 2, wherein a baffle disc (703) is arranged at one end of the connecting sleeve (701), a second return spring (605) is sleeved on the connecting sleeve (701), and two ends of the second return spring (605) are respectively contacted with the inner sides of one end of the baffle disc (703) and one end of the sampling tube (202).
  9. 9. The bronchofiberscope sampling device according to claim 1, wherein a protective tube (201) is sleeved on the endoscope connecting tube (105), and one end of the protective tube (201) is fixedly connected with the mounting shell (401).
  10. 10. The bronchoscope sampling device according to claim 1, wherein the eyepiece portion (104) at one end of the operation portion (101) is disposed at one side of the mounting case (401), and the light guide connection portion (103) connected by the light guide hose (102) is disposed at one side of the operation portion (101).

Description

Bronchofiberscope sampling device Technical Field The invention relates to the technical field of medical equipment, in particular to a bronchofiberscope sampling device. Background The bronchofiberscope, also called bronchofiberscope, is an instrument for diagnosing bronchial diseases. The device has strong light guide capability, high brightness and clear visual field, can be gently introduced into the trachea from the oral cavity or the nasal cavity until inside each bronchus, and can be used for observing the conditions of the trachea, the left and right bronchus openings and mucous membranes under direct vision. At present, the pathological change position of a patient can be sampled through the end part of the bronchofiberscope, so that doctors can better know the pathological change of the patient. The chinese patent of patent number 202020497466.8 provides a bronchofiberscope sampling device, including observing sampling device and controlling means, observe sampling device and including strengthening respiratory mechanism, first observation mechanism and sampling mechanism, this bronchofiberscope sampling device passes through the setting of respiratory controlling mechanism, can reduce the cell damage of sampling process to patient sampling site. However, by analyzing the above-mentioned patent and combining with the existing bronchoscope sampling device, it has been found that the conventional bronchoscope sampling device cuts and samples the lesion tissue of the patient only through the common cutter head, and after sampling the lesion site, the sample is easily dropped in the process of taking out the patient, thereby causing sampling failure. Accordingly, in view of the above, a bronchofiberscope sampling apparatus is provided. Disclosure of Invention Aiming at the defects in the prior art, the invention provides a bronchofiberscope sampling device which solves the technical problems that the prior bronchofiberscope sampling device cuts and samples lesion tissues of a patient only through a common cutter head, and after sampling a lesion position, a sample is easy to fall off in the process of taking out the patient, so that sampling failure is caused. In order to achieve the above purpose, the invention provides a bronchoscope sampling device, which comprises an operation part, a mounting shell, an endoscope objective lens, a sampling assembly and an operation mechanism; The operation part is arranged in the installation shell, the operation part is connected with the endoscope objective through an endoscope connecting pipe, and a sampling pipe is arranged in the endoscope connecting pipe; The sampling assembly comprises a spiral cutter which can be rotatably arranged in a shielding barrel at one end of the sampling tube along the axis of the spiral cutter, and a cutting assembly is arranged in the shielding barrel; The operating mechanism is arranged in the mounting shell and is used for driving the spiral cutting knife to rotate; the cutting assembly comprises a straight cutting knife, a first mounting rod and a second mounting rod are respectively arranged at two ends of the straight cutting knife, the first mounting rod is rotatably arranged in the spiral cutting knife in a penetrating mode, the axis of the first mounting rod coincides with that of the spiral cutting knife, a clamping block at one end of the first mounting rod is rotatably clamped in the spiral cutting knife, the second mounting rod is arranged in a shielding barrel in a penetrating mode, an anti-falling supporting plate is arranged on the straight cutting knife, a control groove is formed in one side of the straight cutting knife, and a cavity for accommodating a sample is formed in the anti-falling supporting plate after the spiral cutting knife rotates to a limiting position. Preferably, the operating mechanism comprises a pulling wire arranged in the sampling tube, a pulling component is arranged in the mounting shell and connected with the pulling wire, the pulling component is used for pulling one end of the pulling wire to enable the pulling wire to move in the sampling tube, two groups of branch wires are arranged at the other end of the pulling wire, two groups of rotatable first wire wheels are arranged in the sampling tube, one ends of the two groups of branch wires are respectively wound on the two groups of first wire wheels and fixedly connected with a connecting seat on the first wire wheels, one end of the first wire wheels is provided with a conducting rod connected through a reversing component, the first wire wheels are used for controlling the conducting rod to rotate along the axis of the conducting rod through the reversing component under the action of the pulling component, one end of the conducting rod is provided with a connecting sleeve in sliding connection, and the connecting sleeve is elastically connected with the sampling tube to enable the connecting sleeve to stretch out and draw back at