A medical tumor biopsy device

Abstract

The application relates to the technical field of medical devices, in particular to a medical tumor biopsy device, which solves the problem that the existing tumor sample biopsy of a patient cannot satisfy accurate clamping of the tumor sample, easily causes the sampling size to be inconvenient to guarantee, and cannot automatically seal the clamped tumor sample, and comprises a handheld driving mechanism, the front end of the handheld driving mechanism is provided with a protection sample placing mechanism, the inner side of the protection sample placing mechanism is provided with a clamping telescopic mechanism, the inner side of the front end of the clamping telescopic mechanism is provided with an endoscope material pushing mechanism, the protection sample placing mechanism, the clamping telescopic mechanism and the endoscope material pushing mechanism are coaxial, the protection sample placing mechanism comprises a guide sleeve, the outer side of the front end of the guide sleeve is fixedly provided with a positioning ring, and the outer side of the rear end of the positioning ring is provided with a locking ring. The tumor sample is accurately clamped and automatically sealed after telescoping, so that the tumor sample size precision and the biopsy quality of the tumor sample can be effectively improved.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a medical tumor biopsy device. Background Technology

[0002] Early detection of tumors has a significant impact on timely treatment. With the continuous improvement of examination methods in recent years, the accuracy of tumor diagnosis has gradually increased. Tumor biopsy is a diagnostic method that obtains tumor tissue through surgery, puncture, or endoscopy for pathological examination to clarify the nature of the tumor. Biopsy is a necessary step in tumor diagnosis. It is a technique that involves cutting, forcepsing, or puncturing to remove diseased tissue from the patient for pathological examination. Biopsy sampling is performed at the junction of the lesion and normal tissue, requiring the collection of both lesion tissue and a small amount of normal tissue.

[0003] Existing methods for biopsiing tumor samples from patients cannot accurately grasp the tumor samples, making it difficult to guarantee the sample size, and they cannot automatically seal the grasped tumor samples. Therefore, they do not meet the current needs. To address this, we propose a medical tumor biopsy device. Summary of the Invention

[0004] The purpose of this invention is to provide a medical tumor biopsy device to solve the problems mentioned in the background art, such as the inability to accurately grasp tumor samples when performing biopsies on patients' tumor samples, the difficulty in ensuring sample size, and the inability to automatically seal the grasped tumor samples.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a medical tumor biopsy device, comprising a handheld drive mechanism, a protective sample placement mechanism installed at the front end of the handheld drive mechanism, a clamping telescopic mechanism installed on the inner side of the protective sample placement mechanism, an endoscope material-lifting mechanism installed on the inner side of the front end of the clamping telescopic mechanism, the protective sample placement mechanism, the clamping telescopic mechanism and the endoscope material-lifting mechanism being coaxial, the protective sample placement mechanism comprising a guide sleeve, a positioning ring fixedly installed on the outer side of the front end of the guide sleeve, a locking ring installed on the outer side of the rear end of the positioning ring, an annular arc groove provided on the outer surface of the positioning ring, and two limiting arc strips fixedly installed on the inner side of the front end of the guide sleeve; The clamping telescopic mechanism consists of a transmission clamping unit and a sampling telescopic unit. The transmission clamping unit is fitted and installed on the outside of the sampling telescopic unit. The transmission clamping unit includes a transmission sleeve, and two clamping plates are installed in front of the transmission sleeve. A transmission strip is installed between the front end of the transmission sleeve and the two clamping plates. The sampling telescopic unit includes a telescopic sleeve, and two guide grooves are provided on the outer surface of the front end of the telescopic sleeve.

[0006] Preferably, the handheld drive mechanism includes a handheld cover, a display is fixedly mounted on the front end of the handheld cover, a battery is fixedly mounted on the inner side of the handheld cover, a sealing cover is fixedly mounted on the rear end of the handheld cover, and a first adjusting rod and a second adjusting rod are mounted on the inner side of the sealing cover.

[0007] Preferably, the endoscope feeding mechanism includes a mounting sleeve, with connecting pieces installed on both sides of the mounting sleeve, a lens fixedly installed at the front end of the mounting sleeve, an insulating layer fixedly installed at the rear end of the mounting sleeve, a transmission cable fixedly installed on the inner side of the insulating layer, and a power connector plugged into the front end of the transmission cable.

[0008] Preferably, the rear end of the guide sleeve is fixedly connected to the handheld cover, and the transmission sleeve and the guide sleeve are slidably connected by two limiting arc strips, which are symmetrically arranged relative to the transmission sleeve.

[0009] Preferably, the rear end of the transmission sleeve passes through the guide sleeve and is inserted into the inside of the handheld cover, the front end of the second adjusting rod passes through the sealing cover and is threadedly connected to the transmission sleeve, and the second adjusting rod and the first adjusting rod are arranged in parallel and are rotatably connected to the sealing cover.

[0010] Preferably, the rear end of the telescopic sleeve passes through the transmission sleeve and is inserted into the inner side of the front end of the first adjusting rod. The telescopic sleeve and the transmission sleeve are slidably connected. The front end of the first adjusting rod passes through the middle of the sealing cover and is threadedly connected to the telescopic sleeve.

[0011] Preferably, a sterile membrane is provided on the outer side of the front end of the positioning ring, the front end of the sterile membrane is fitted onto the outer side of the guide sleeve, and the rear end of the sterile membrane is inserted into the inner side of the annular groove.

[0012] Preferably, the two transmission bars and clamping plates are symmetrically installed relative to the axis of the transmission sleeve. The two ends of the transmission bars are rotatably connected to the front end of the transmission sleeve and the rear end of the clamping plate by pins. The middle part of the clamping plate is rotatably connected to the front end of the telescopic sleeve.

[0013] Preferably, the two connecting pieces are symmetrically arranged relative to the mounting sleeve, and both connecting pieces penetrate the guide sleeve and the two guide slots and are fixedly connected to the mounting sleeve. The mounting sleeve and the guide sleeve are fixedly connected by the two connecting pieces, and the mounting sleeve and the telescopic sleeve are slidably connected by the two connecting pieces.

[0014] Preferably, the front end of the power connector is provided with a camera and a fill light, the camera and fill light are electrically connected to the transmission cable through the power connector, and the rear end of the transmission cable passes through the insulation layer and is electrically connected to the display and the battery.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, the first and second adjusting rods rotate to drive the telescopic sleeve and the transmission sleeve to move forward and extend synchronously inside the guide sleeve. The two limiting arc strips, supported by the guide sleeve, can limit the transmission sleeve, thereby ensuring the accuracy of the extension of the front end of the clamping telescopic mechanism. The two limiting arc strips and two connecting pieces can slide and guide the transmission sleeve and the telescopic sleeve, avoiding axial deflection during the extension and sliding of the transmission sleeve and the telescopic sleeve. The second adjusting rod drives the two clamping pieces to swing relative to the telescopic sleeve through the transmission sleeve and the two transmission strips, and can perform sampling and clamping operations on the tumor. Then, the clamping telescopic mechanism drives the tumor biopsy sample to retract to the inside of the front end of the guide sleeve, avoiding contact between the tumor biopsy sample and the outside. 2. In this invention, a sterile membrane is fitted onto the outside of the positioning ring and seals the front end of the guide sleeve. When the locking ring rotates, it locks the rear end of the sterile membrane inserted into the annular groove with the positioning ring, maintaining the sterile membrane's sealing protection of the tumor biopsy sample and improving the sampling stability of the tumor biopsy sample. During the retraction of the clamping telescopic mechanism, the mounting sleeve pushes the tumor biopsy sample held between the two clamping pieces through a lens, realizing the automatic separation of the tumor biopsy sample from the clamping pieces, which facilitates the subsequent use and testing of the tumor biopsy sample. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 Schematic diagram of the exploded structure in region A; Figure 3 This is a cross-sectional structural diagram of the handheld drive mechanism of the present invention; Figure 4 This is a partial cross-sectional structural diagram of the entire invention; Figure 5 This is a partial exploded view of the clamping telescopic mechanism of the present invention; Figure 6 This is a schematic diagram of the endoscope ejector mechanism of the present invention; Figure 7 This is a cross-sectional structural diagram of the endoscope feeding mechanism of the present invention.

[0017] In the diagram: 1. Handheld drive mechanism; 101. Handheld cover; 102. Sealing cover; 103. Display; 104. Battery; 105. First adjusting rod; 106. Second adjusting rod; 2. Protective sample placement mechanism; 201. Guide sleeve; 202. Locking ring; 203. Positioning ring; 204. Limiting arc strip; 205. Annular arc groove; 3. Clamping telescopic mechanism; 301. Transmission clamping unit; 302. Sampling telescopic unit; 303. Transmission sleeve; 304. Transmission bar; 305. Clamping piece; 306. Telescopic sleeve; 307. Guide through groove; 4. Endoscope ejection mechanism; 401. Mounting sleeve; 402. Insulation layer; 403. Transmission cable; 404. Lens; 405. Connecting piece; 406. Power connector. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0019] Please see Figure 1 and Figure 3 An embodiment of the present invention provides a medical tumor biopsy device, comprising a handheld drive mechanism 1, a protective sample placement mechanism 2 mounted at the front end of the handheld drive mechanism 1, a clamping telescopic mechanism 3 mounted inside the protective sample placement mechanism 2, and an endoscope material-lifting mechanism 4 mounted inside the front end of the clamping telescopic mechanism 3. The protective sample placement mechanism 2, the clamping telescopic mechanism 3, and the endoscope material-lifting mechanism 4 are coaxial. The handheld drive mechanism 1 includes a handheld cover 101, a display 103 fixedly mounted at the front end of the handheld cover 101, a battery 104 fixedly mounted inside the handheld cover 101, and a sealing cover 102 fixedly mounted at the rear end of the handheld cover 101. A first adjusting rod 105 and a second adjusting rod 106 are mounted inside the sealing cover 102. The second adjusting rod 106 and the first adjusting rod 105 are arranged in parallel and rotatably connected to the sealing cover 102. The clamping telescopic mechanism 3 can be extended and adjusted for clamping by the first adjusting rod 105 and the second adjusting rod 106.

[0020] Please see Figures 1 to 4The protective sample placement mechanism 2 includes a guide sleeve 201. The rear end of the guide sleeve 201 is fixedly connected to the handheld cover 101. A positioning ring 203 is fixedly installed on the outer side of the front end of the guide sleeve 201. A locking ring 202 is installed on the outer side of the rear end of the positioning ring 203. An annular groove 205 is provided on the outer surface of the positioning ring 203. A sterile membrane is provided on the outer side of the front end of the positioning ring 203. The front end of the sterile membrane fits onto the outer side of the guide sleeve 201. The rear end of the sterile membrane is inserted into the inner side of the annular groove 205. When the locking ring 202 rotates, it and the positioning ring 203 can lock the rear end of the sterile membrane inserted into the annular groove 205, so as to maintain the sealing protection of the tumor biopsy sample by the sterile membrane and improve the sampling stability of the tumor biopsy sample. Two limiting arc strips 204 are fixedly installed on the inner side of the front end of the guide sleeve 201. The transmission sleeve 303 and the guide sleeve 201 are slidably connected through the two limiting arc strips 204. The two limiting arc strips 204 are symmetrically arranged relative to the transmission sleeve 303. The two limiting arc strips 204 and the two connecting pieces 405 can slide and guide the transmission sleeve 303 and the telescopic sleeve 306, so as to avoid axial deflection during the extension and retraction of the transmission sleeve 303 and the telescopic sleeve 306.

[0021] Please see Figures 1 to 5 The clamping telescopic mechanism 3 consists of a transmission clamping unit 301 and a sampling telescopic unit 302. The transmission clamping unit 301 is fitted onto the outside of the sampling telescopic unit 302. The transmission clamping unit 301 includes a transmission sleeve 303. The rear end of the transmission sleeve 303 passes through the guide sleeve 201 and is inserted into the inside of the handheld cover 101. The front end of the second adjusting rod 106 passes through the sealing cover 102 and is threadedly connected to the transmission sleeve 303. Two clamping plates 305 are installed at the front of the transmission sleeve 303. A transmission bar 304 is installed between the front end of the transmission sleeve 303 and the two clamping plates 305. The two transmission bars 304 and the clamping plates 305 are symmetrically installed relative to the axis of the transmission sleeve 303. The two ends of the transmission bar 304 are rotatably connected to the front end of the transmission sleeve 303 and the rear end of the clamping plates 305 by pins. The second adjusting rod 106 drives the two clamping plates 305 to swing in opposite directions through the transmission sleeve 303 and the two transmission bars 304, and can perform sampling and clamping operations on the tumor. The sampling telescopic unit 302 includes a telescopic sleeve 306. The outer surface of the front end of the telescopic sleeve 306 is provided with two guide grooves 307. The rear end of the telescopic sleeve 306 passes through the transmission sleeve 303 and is inserted into the inner side of the front end of the first adjusting rod 105. The telescopic sleeve 306 is slidably connected to the transmission sleeve 303. The front end of the first adjusting rod 105 passes through the middle of the sealing cover 102 and is threadedly connected to the telescopic sleeve 306. The middle of the clamping piece 305 is rotatably connected to the front end of the telescopic sleeve 306. When the first adjusting rod 105 rotates, it drives the telescopic sleeve 306 to extend and retract within the guide sleeve 201.

[0022] Please see Figure 4 , Figure 6 and Figure 7 The endoscope feeding mechanism 4 includes a mounting sleeve 401. Connecting pieces 405 are installed on both sides of the mounting sleeve 401. A lens 404 is fixedly installed at the front end of the mounting sleeve 401. An insulating layer 402 is fixedly installed at the rear end of the mounting sleeve 401. A transmission cable 403 is fixedly installed on the inner side of the insulating layer 402. A power connector 406 is plugged into the front end of the transmission cable 403. The two connecting pieces 405 are symmetrically arranged relative to the mounting sleeve 401. The two connecting pieces 405 can maintain the relative fixation between the endoscope feeding mechanism 4 and the protective sample placement mechanism 2. Both connecting pieces 405 pass through the guide sleeve 201 and the two guide slots 307 and are fixedly connected to the mounting sleeve 401. The mounting sleeve 401 is fixedly connected to the guide sleeve 201 through the two connecting pieces 405. The mounting sleeve 401 is slidably connected to the telescopic sleeve 306 through the two connecting pieces 405. The front end of the power socket 406 is equipped with a camera and a supplementary light. The camera and supplementary light are electrically connected to the transmission cable 403 through the power socket 406. The rear end of the transmission cable 403 passes through the insulation layer 402 and is electrically connected to the display 103 and the battery 104. The camera is powered through the transmission cable 403 and the power socket 406 and performs image acquisition on the tumor location under the action of the supplementary light. The sampling image is displayed in real time on the display 103 to improve the sampling accuracy.

[0023] In summary, when performing live sampling for medical tumors, the endoscope top material mechanism 4, the clamping telescopic mechanism 3, and the protective sample placement mechanism 2 are sequentially fitted together from the inside out, so that the mounting sleeve 401 is fixedly connected to the guide sleeve 201 through two connecting pieces 405, and the mounting sleeve 401 is slidably connected to the telescopic sleeve 306 through two connecting pieces 405. After turning on the power and making an incision at the tumor site, the handheld cover 101 is held and the first adjusting rod 105 and the second adjusting rod 106 are rotated synchronously. Specifically, when the first adjusting rod 105 and the second adjusting rod 106 rotate, they respectively drive the telescopic sleeve 306 and the transmission sleeve 303 to move forward and extend synchronously inside the guide sleeve 201. The two limiting arc strips 204 can limit the transmission sleeve 303 under the support of the guide sleeve 201, thereby ensuring the accuracy of the extension of the front end of the clamping telescopic mechanism 3. The two limiting arc strips 204 and the two connecting pieces 405 can slide and guide the transmission sleeve 303 and the telescopic sleeve 306 to avoid axial deflection during the telescopic sliding of the transmission sleeve 303 and the telescopic sleeve 306. Then, the front end of the clamping telescopic mechanism 3 is placed at the tumor. At this time, the camera is powered through the transmission cable 403 and the power socket 406 and acquires images of the tumor location under the action of the supplementary light. The sampling image is displayed in real time through the display 103 to improve the sampling accuracy. The second adjustment rod 106 is rotated again. Then, the second adjustment rod 106 drives the two clamping pieces 305 to swing relative to the telescopic sleeve 306 through the transmission sleeve 303 and the two transmission bars 304, and can perform sampling and clamping operations on the tumor. Then, the first adjustment rod 105 and the second adjustment rod 106 are rotated in opposite directions at the same time, so that the clamping telescopic mechanism 3 drives the tumor biopsy sample to retract to the inner side of the front end of the guide sleeve 201. At this time, the sterile membrane is fitted onto the outside of the positioning ring 203 and the front end of the guide sleeve 201 is sealed. The locking ring 202 is rotated so that the locking ring 202 and the positioning ring 203 can lock the rear end of the sterile membrane inserted into the annular groove 205, maintain the sterile membrane's sealing protection of the tumor biopsy sample, and improve the sampling stability of the tumor biopsy sample. During the retraction of the clamping telescopic mechanism 3, the mounting sleeve 401 pushes the tumor biopsy sample held between the two clamping pieces 305 through the lens 404, realizing the automatic separation of the tumor biopsy sample from the clamping pieces 305, which facilitates the subsequent use and testing of the tumor biopsy sample.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A medical tumor biopsy device, comprising a handheld drive mechanism (1), characterized in that: The handheld drive mechanism (1) is equipped with a protective sample placement mechanism (2) at its front end. The protective sample placement mechanism (2) is equipped with a clamping telescopic mechanism (3) on its inner side. The clamping telescopic mechanism (3) is equipped with an endoscope ejector mechanism (4) on its inner side at its front end. The protective sample placement mechanism (2), the clamping telescopic mechanism (3), and the endoscope ejector mechanism (4) are coaxial. The protective sample placement mechanism (2) includes a guide sleeve (201). A positioning ring (203) is fixedly installed on the outer side of the front end of the guide sleeve (201). A locking ring (202) is installed on the outer side of the rear end of the positioning ring (203). An annular arc groove (205) is provided on the outer surface of the positioning ring (203). Two limiting arc strips (204) are fixedly installed on the inner side of the front end of the guide sleeve (201). The clamping telescopic mechanism (3) consists of a transmission clamping unit (301) and a sampling telescopic unit (302). The transmission clamping unit (301) is fitted and installed on the outside of the sampling telescopic unit (302). The transmission clamping unit (301) includes a transmission sleeve (303). Two clamping pieces (305) are installed in front of the transmission sleeve (303). A transmission strip (304) is installed between the front end of the transmission sleeve (303) and the two clamping pieces (305). The sampling telescopic unit (302) includes a telescopic sleeve (306). Two guide grooves (307) are provided on the outer surface of the front end of the telescopic sleeve (306).

2. The medical tumor biopsy device according to claim 1, characterized in that: The handheld drive mechanism (1) includes a handheld cover (101), a display (103) is fixedly installed at the front end of the handheld cover (101), a battery (104) is fixedly installed on the inner side of the handheld cover (101), a sealing cover (102) is fixedly installed at the rear end of the handheld cover (101), and a first adjusting rod (105) and a second adjusting rod (106) are installed on the inner side of the sealing cover (102).

3. The medical tumor biopsy device according to claim 2, characterized in that: The endoscope feeding mechanism (4) includes a mounting sleeve (401), with connecting pieces (405) installed on both sides of the mounting sleeve (401). A lens (404) is fixedly installed at the front end of the mounting sleeve (401), and an insulating layer (402) is fixedly installed at the rear end of the mounting sleeve (401). A transmission cable (403) is fixedly installed on the inner side of the insulating layer (402), and a power connector (406) is plugged into the front end of the transmission cable (403).

4. The medical tumor biopsy device according to claim 3, characterized in that: The rear end of the guide sleeve (201) is fixedly connected to the hand-held cover (101), and the transmission sleeve (303) is slidably connected to the guide sleeve (201) through two limiting arc strips (204). The two limiting arc strips (204) are symmetrically arranged relative to the transmission sleeve (303).

5. The medical tumor biopsy device according to claim 4, characterized in that: The rear end of the transmission sleeve (303) passes through the guide sleeve (201) and is inserted into the inside of the handheld cover (101). The front end of the second adjusting rod (106) passes through the sealing cover (102) and is connected to the transmission sleeve (303) by a thread. The second adjusting rod (106) and the first adjusting rod (105) are arranged in parallel and are rotatably connected to the sealing cover (102).

6. The medical tumor biopsy device according to claim 5, characterized in that: The rear end of the telescopic sleeve (306) passes through the transmission sleeve (303) and is inserted into the inner side of the front end of the first adjusting rod (105). The telescopic sleeve (306) is slidably connected to the transmission sleeve (303). The front end of the first adjusting rod (105) passes through the middle of the sealing cover (102) and is threadedly connected to the telescopic sleeve (306).

7. A medical tumor biopsy device according to claim 6, characterized in that: The positioning ring (203) has a sterile membrane on the outer side of its front end. The front end of the sterile membrane is fitted onto the outer side of the guide sleeve (201), and the rear end of the sterile membrane is inserted into the inner side of the annular groove (205).

8. The medical tumor biopsy device according to claim 7, characterized in that: The two transmission bars (304) and the clamping plate (305) are symmetrically installed relative to the axis of the transmission sleeve (303). The two ends of the transmission bar (304) are rotatably connected to the front end of the transmission sleeve (303) and the rear end of the clamping plate (305) by pins. The middle part of the clamping plate (305) is rotatably connected to the front end of the telescopic sleeve (306).

9. A medical tumor biopsy device according to claim 8, characterized in that: The two connecting pieces (405) are symmetrically arranged relative to the mounting sleeve (401). Both connecting pieces (405) pass through the guide sleeve (201) and the two guide slots (307) and are fixedly connected to the mounting sleeve (401). The mounting sleeve (401) and the guide sleeve (201) are fixedly connected by the two connecting pieces (405). The mounting sleeve (401) and the telescopic sleeve (306) are slidably connected by the two connecting pieces (405).

10. A medical tumor biopsy device according to claim 9, characterized in that: The front end of the power connector (406) is provided with a camera and a fill light. The camera and fill light are electrically connected to the transmission cable (403) through the power connector (406). The rear end of the transmission cable (403) passes through the insulation layer (402) and is electrically connected to the display (103) and the battery (104).

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