CN120694693B - A device for rapid extraction of intraoperative pathological tissue - Google Patents
A device for rapid extraction of intraoperative pathological tissueInfo
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- CN120694693B CN120694693B CN202511148628.0A CN202511148628A CN120694693B CN 120694693 B CN120694693 B CN 120694693B CN 202511148628 A CN202511148628 A CN 202511148628A CN 120694693 B CN120694693 B CN 120694693B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
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- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of medical instruments, and discloses a rapid extraction device for pathological tissues in operation, wherein a loop bar is fixedly arranged at one end of a holding rod, a cover head is fixedly sleeved at one end of the loop bar, which is far away from the holding rod, and the end of the loop bar is communicated with the holding rod, the loop bar and the cover head are internally provided with extraction components, extraction of the pathological tissues can be completed without matching operation with other medical equipment in the whole process, the complexity of an operation procedure is effectively reduced, the rapid extraction of the pathological tissues is facilitated, the risk coefficient of a patient is reduced in the operation time, the failure of final extraction due to smooth surface and soft avoidance in contact of the pathological tissues is avoided, the pathological tissues to be extracted are firstly tensioned, the stress is stable in cutting, the cutting speed and the cutting quality are improved, the probability of mixing non-pathological tissues in a sample can be effectively reduced due to negative pressure absorption aiming at a target area, and more accurate materials are provided for subsequent pathological analysis.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a rapid extraction device for pathological tissues in operation.
Background
In surgery, the pathological diagnosis in surgery is a key link for determining the surgical scheme and judging the nature of focus, such as benign or malignant, whether the resection boundary is clean, and the like, directly influences the safety of surgery and the prognosis of patients, wherein the rapid and accurate extraction of pathological tissues is the premise of the subsequent pathological analysis, and the efficiency and the quality of the pathological tissue are directly related to the timeliness and the accuracy of the diagnosis in surgery.
In the prior art, the pathological soft tissues are generally clamped and fixed through medical grasping forceps, and then the pathological soft tissues are matched with equipment such as a cutting tool, so that the pathological tissues are extracted.
For example, in the prior art, as in the chinese patent with the current publication number CN220655632U, a medical grasping forceps is disclosed, the forceps head of the medical grasping forceps is first extended into the focus part according to the path planned by the operation, then the forceps handle is operated to apply force to the push rod, and then the second clamping block can be driven to rotate along the connecting piece, finally the second clamping block is switched between the clamping position and the separating position, so that the pathological soft tissue and the like of the focus part can be clamped.
Aiming at the above and related technologies in the prior art, the inventor considers that the medical grasping forceps have the defects that the medical grasping forceps have single function, can only realize clamping and lack cutting capability, and must be frequently matched with cutting instruments such as an electrotome, an ultrasonic knife, an operation scissors and the like when pathological tissues are extracted in operation, so that the complexity of an operation procedure is increased, the rapid extraction of the pathological tissues is not facilitated, the time in operation is prolonged, the danger coefficient of a patient is greatly increased, and the great number of medical instruments also have extremely high requirements on clinical operation and experience of doctors, so that the medical grasping forceps are difficult to efficiently adapt to the core requirements of accurate extraction, rapid acquisition and safe operation of the pathological tissues in operation.
Disclosure of Invention
The invention aims to solve the technical problem that the prior art has the defect that the rapid extraction of pathological tissues cannot be realized because the grasping forceps are used together with other medical equipment in a binding way, and therefore, the rapid extraction device for the pathological tissues in operation is provided.
In order to achieve the aim, the technical scheme is that the rapid extraction device for pathological tissues in operation comprises a holding rod, wherein a loop bar is fixedly arranged at one end of the holding rod, a cover head is fixedly sleeved at one end of the loop bar far away from the holding rod and communicated with the end of the loop bar, extraction components are arranged in the holding rod, the loop bar and the cover head, a roller I and a roller II are rotatably arranged at the inner side of the holding rod, and a through hole disc is fixedly arranged on the inner wall of the cover head;
The extraction assembly comprises an extraction rod arranged on the inner sides of the loop bar, the hood head and the holding rod, an adjusting piece in meshed connection with the first roller is sleeved on the outer side of the extraction rod, the adjusting piece is in meshed connection with the second roller, one end of the extraction rod penetrates through the through hole disc in a sliding mode and is provided with a plurality of groups of grabbing fingers, and a cutting piece is arranged on the outer side of the extraction rod;
The cutting piece comprises a cylinder fixedly connected with the outer wall of the extraction rod, a sleeve is movably sleeved on the outer side of the cylinder, the sleeve is rotationally connected with the through hole disc, a cutterhead is fixedly arranged on the outer wall of the sleeve, a ball head is fixedly arranged on the outer wall of the cylinder, and a thread groove matched with the ball head is formed in the inner wall of the sleeve;
The regulating part comprises a half rod which is in sliding connection with the extraction rod, a lantern ring is fixedly arranged on the outer wall of the half rod and positioned between the extraction rod and the lantern rod, tooth grooves are formed in the outer wall of the half rod and the outer wall of the extraction rod, a plurality of teeth are arranged on the outer wall of the first roller in an arrangement mode and are connected with the tooth grooves in a meshed mode, the first roller and the second roller are identical in structure, sealing rings are fixedly arranged on the outer wall and the inner wall of the lantern ring, and the two sealing rings are respectively and tightly attached to the lantern rod and the extraction rod.
Preferably, one end of the cover head is fixedly provided with a fixed ring, and the sleeve is rotationally connected with the fixed ring.
Preferably, one end of each grabbing finger is symmetrically provided with a connecting rod, the connecting rod is rotationally connected with the extraction rod, a torsion spring is fixedly sleeved on the outer side of the connecting rod, and one end of the torsion spring is fixedly connected with the extraction rod.
Preferably, the outer surfaces of the grabbing fingers, the first roller and the second roller are provided with anti-skid grooves, the grabbing fingers are circumferentially arranged by taking the extraction rod as an axis, and the grabbing fingers are identical in structure composition.
Preferably, the cutterhead is abutted with the fixed ring, and is a distance away from the inner wall of the fixed ring when the cutterhead starts to rotate.
Preferably, the upper end of the holding rod is symmetrically provided with an arc-shaped shell, and a cover plate is slidably arranged in the arc-shaped shell.
Preferably, the other end of the holding rod is fixedly provided with a cavity rod, and the extraction rod and the half rod are both in sliding connection with the inner wall of the cavity rod.
Preferably, the lower end of the holding rod is fixedly provided with a grip, and the surface of the grip is provided with a groove for placing fingers.
The invention has the technical effects that:
The method comprises the steps of aligning a cover head to pathological tissues and abutting the cover head, enabling a roller I to rotate by means of fingers, enabling an adjusting piece to horizontally move in a direction away from the cover head gradually, enabling a sleeve to drive a cutter head to passively rotate with the axis of the sleeve due to the fact that the cover head abuts against the pathological tissues and the through hole disc is communicated, enabling part of the pathological tissues to gradually extend into the cover head, then stopping rotating the roller I, enabling the roller II to rotate by means of the fingers again, enabling an extraction rod to drive a plurality of groups of grabbing fingers to horizontally move in the direction away from the cover head, enabling the plurality of groups of grabbing fingers to simultaneously contact the through hole disc, enabling the grabbing fingers to force the grabbing fingers to simultaneously rotate and approach the axis of the extraction rod, enabling the grabbing fingers to drive a cylinder to synchronously move in the horizontal movement process, enabling the sleeve to drive the cutter head to passively rotate with the axis of the sleeve, enabling the pathological tissues to be retained between the grabbing fingers, stopping rotating the roller II and reversing the rotation of the roller I, and releasing the negative pressure in the cover head, and analyzing the pathological tissues to be extracted.
The invention has the advantages that:
the whole course can complete extraction of pathological tissues without carrying out cooperation operation with other medical equipment, thereby effectively reducing the complexity of the operation flow, further facilitating rapid extraction of the pathological tissues, reducing the time in operation and reducing the risk coefficient of patients.
The operation mode is simple and visual, a doctor can complete all extraction steps by one hand, the interference to the operation vision is minimized, and the method is particularly suitable for operation scenes with limited space.
In the grabbing and clamping step in the extraction process, the failure of final extraction caused by smooth surface of pathological tissues and soft avoidance in contact can be avoided.
The pathological tissue to be extracted is tightened, so that the stress is stable during cutting, and the cutting speed and the cutting quality are improved.
Negative pressure adsorption aims at a target area, so that the probability of mixing non-pathological tissues in a sample can be effectively reduced, and more accurate materials are provided for subsequent pathological analysis.
Drawings
The disclosure of the present invention is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts:
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a schematic bottom view of the overall structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a grip lever structure according to the present invention;
FIG. 4 is a schematic view showing the structure of the extraction assembly of the present invention in engagement with the first roller and the second roller;
FIG. 5 is a schematic view of the first and second rollers according to the present invention;
FIG. 6 is a schematic view of the structure of the grabbing clamp with the grabbing fingers open and waiting for grabbing clamp according to the invention;
FIG. 7 is a schematic view of an explosion-bonded cross-sectional structure of a cutting member according to the present invention;
FIG. 8 is a schematic view of the outside structure of the adjusting member of the present invention disengaged from the extraction lever;
FIG. 9 is a schematic view of the inside structure of the hood of the present invention with the cross section, gripping fingers and cutting elements;
FIG. 10 is a schematic view of the cross section of the cap, the gripping fingers and the cutting elements of the present invention in the internal configuration of the cap.
The legend is 1, a holding rod, 11, an arc-shaped shell, 12, a cover plate, 13, a roller I, 131, teeth, 14, a roller II, 15, a cavity rod, 16, a handle, 2, a loop rod, 3, a cover head, 31, a fixed ring, 32, a through hole disc, 4, an extraction component, 41, an extraction rod, 42, an adjusting piece, 421, a half rod, 422, a tooth socket, 423, a lantern ring, 424, a sealing ring, 43, a grabbing finger, 431, a connecting rod, 432, a torsion spring, 434, an anti-skid groove, 44, a cutting piece, 441, a cylinder, 442, a sleeve, 443, a cutter head, 444, a ball head, 445 and a thread groove.
Detailed Description
It is to be understood that, according to the technical solution of the present invention, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present invention. Accordingly, the following detailed description and drawings are merely illustrative of the invention and are not intended to be exhaustive or to limit the invention to the precise form disclosed.
Referring to fig. 1-4 and 7, the invention provides a technical scheme that the rapid extraction device for pathological tissues in operation comprises a holding rod 1, wherein a sleeve rod 2 is fixedly arranged at one end of the holding rod 1, a cover head 3 is fixedly sleeved at one end of the sleeve rod 2 far away from the holding rod 1 and communicated with the sleeve rod, an extraction component 4 is arranged inside the holding rod 1, the sleeve rod 2 and the cover head 3, a roller I13 and a roller II 14 are rotatably arranged inside the holding rod 1, and a through hole disc 32 is fixedly arranged on the inner wall of the cover head 3;
The extraction assembly 4 comprises an extraction rod 41 arranged on the inner sides of the loop bar 2, the hood head 3 and the holding rod 1, an adjusting piece 42 in meshed connection with the first roller 13 is sleeved on the outer side of the extraction rod 41, the adjusting piece 42 is in meshed connection with the second roller 14, one end of the extraction rod 41 penetrates through the through hole disc 32 in a sliding manner and is provided with a plurality of groups of grabbing fingers 43, and a cutting piece 44 is arranged on the outer side of the extraction rod 41;
The cutting member 44 comprises a cylinder 441 fixedly connected with the outer wall of the extraction rod 41, a sleeve 442 is movably sleeved on the outer side of the cylinder 441, the sleeve 442 is rotationally connected with the through hole disc 32, a cutter head 443 is fixedly arranged on the outer wall of the sleeve 442, a ball head 444 is fixedly arranged on the outer wall of the cylinder 441, a thread groove 445 matched with the ball head 444 is formed on the inner wall of the sleeve 442, during operation, when pathological soft tissues are required to be extracted for pathological analysis, the cover head 3 is aligned with the pathological tissues and abutted, then the finger is utilized to drive the roller I13 to rotate, the adjusting member 42 gradually moves horizontally in a direction away from the cover head 3, negative pressure is gradually formed in the sleeve 442 to adsorb the pathological tissues due to the abutting of the cover head 3 and the communication of the through hole disc 32, part of the pathological tissues gradually stretches into the cover head 3, then the rotation of the roller I13 is stopped, the roller II 14 is driven to rotate again, the extraction rod 41 drives the multiple groups of grabbing fingers 43 to gradually move horizontally in the direction away from the cover head 3, so that the multiple groups of grabbing fingers 43 are contacted with the through hole disc 32 at the same time, the multiple groups of grabbing fingers 43 are forced to rotate at the same time and approach to the axis of the extraction rod 41, and then part of pathological tissues extending into the cover head 3 are grabbed and pulled in the horizontal movement process, the extraction rod 41 also drives the cylinder 441 to synchronously move in the horizontal movement process, the sleeve 442 drives the cutter 443 to passively rotate by the axis of the sleeve 443, so that the bulb 444 is always positioned in the thread groove 445, and then the gradually tightened pathological tissues are cut off, so that the pathological tissues are retained among the multiple groups of grabbing fingers 43, at the moment, the rotation of the roller two 14 is stopped, the roller one 13 is reversed, the negative pressure state in the cover head 3 is relieved, and the pathological tissues to be analyzed can be extracted, the whole process can be used for completing extraction of pathological tissues without carrying out cooperation operation with other medical equipment, so that the complexity of an operation flow is effectively reduced, further, rapid extraction of the pathological tissues is facilitated, the time in operation is reduced, the dangerous coefficient of a patient is reduced, the operation mode is simple and visual, a doctor can complete all extraction steps by one hand, interference to operation vision is particularly suitable for a surgery scene with limited space, the final extraction failure caused by smooth surface of the pathological tissues and soft avoidance in contact in the grabbing and clamping step in the extraction process is avoided, and the pathological tissues to be extracted are firstly tensioned, so that the stress is stable in cutting, the cutting speed and the cutting quality are improved, the probability of mixing non-pathological tissues in a sample can be effectively reduced for a target area by negative pressure adsorption, and more accurate materials are provided for subsequent pathological analysis.
Referring to fig. 9-10, in this embodiment, in order to ensure the effectiveness of negative pressure adsorption, a fixing ring 31 is fixedly installed at one end of the cover head 3, and a sleeve 442 is rotationally connected with the fixing ring 31, so that the contact area between the cover head 3 and soft tissues is effectively enlarged, the surface of the tissues is tightly attached to enhance the sealing effect, the stability and durability of negative pressure adsorption are ensured, and meanwhile, the negative pressure adsorption is rotationally connected with the sleeve 442, so that the stability during cutting is improved on the premise of not influencing the cutting action, and the extraction quality of pathological tissues is improved.
In order to avoid the failure of the grabbing clamp caused by the soft avoidance characteristic of the smooth and contacted surface of the pathological tissue, the adjusting piece 42 comprises a half rod 421 which is slidably connected with the extracting rod 41, a collar 423 is fixedly arranged on the outer wall of the half rod 421, the collar 423 is positioned between the extracting rod 41 and the loop rod 2, tooth grooves 422 are formed on the outer walls of the half rod 421 and the extracting rod 41, a plurality of teeth 131 are arranged on the outer wall of the roller I13 in an arrayed manner, the teeth 131 are in meshed connection with the tooth grooves 422, the roller I13 and the roller II 14 have the same structural composition, so that when the roller I13 rotates, the meshing relationship between the teeth 131 and the tooth grooves 422 can enable the half rod 421 to drive the collar 423 to synchronously move horizontally in a direction away from the cover head 3, and as the cover head 3 is abutted with the pathological tissue and the through hole disc 32 is communicated, the inside of the half rod 421 gradually forms negative pressure to adsorb the pathological tissue, and part of the pathological tissue gradually stretches into the cover head 3 to wait for the grabbing clamp of the subsequent grabbing finger 43, and the final extraction can be ensured.
Referring to fig. 8-10, in this embodiment, in order to ensure that negative pressure adsorption is required to be effective, sealing rings 424 are fixedly mounted on the outer wall and the inner wall of the collar 423, and the two sealing rings 424 are respectively tightly attached to the loop bar 2 and the extracting bar 41, so that air circulation from a gap in a negative pressure state can be effectively avoided, and further the negative pressure adsorption force in the hood 3 is ensured to be effective continuously, and the situation that insufficient adsorption to pathological tissues is caused by air leakage and the air cannot enter the hood 3 is prevented.
Referring to fig. 6, in this embodiment, in order to make the device reusable for multiple times, and reduce the use cost, a connecting rod 431 is symmetrically disposed at one end of the grabbing finger 43, the connecting rod 431 is rotationally connected with the extracting rod 41, a torsion spring 432 is fixedly sleeved on the outer side of the connecting rod 431, one end of the torsion spring 432 is fixedly connected with the extracting rod 41, after the extraction is completed, the roller two 14 is reversed, so that the extracting rod 41 drives the multiple groups of grabbing fingers 43 to gradually return to the initial position, and the multiple groups of grabbing fingers 43 release the grabbing clamp on the pathological tissue by virtue of the reset potential energy of the torsion spring 432 under the condition that the through hole disc 32 is not provided, and wait for the next extraction.
In order to improve the accuracy of rotating the rollers by fingers and to effectively grasp pathological tissues, anti-slip grooves 434 are formed on the outer surfaces of the grasping fingers 43, the first roller 13 and the second roller 14, the plurality of groups of grasping fingers 43 are circumferentially arranged with the extracting rod 41 as an axis, the plurality of groups of grasping fingers 43 have the same structure composition, friction force between the fingers and the rollers and between the grasping fingers and the pathological tissues can be effectively increased, on one hand, a doctor can more accurately control the rotating angle of the rollers, further accurately adjust negative pressure adsorption force, and can synchronously apply grasping force to the pathological tissues extending into the cover head 3 from multiple directions, so that tissue deflection or local excessive extrusion damage caused by single-point stress is avoided, the device is particularly suitable for coping with soft avoidance characteristics when soft tissues are contacted, the grasping range is ensured to be comprehensive, the degree distribution is uniform, and the risk of grasping failure is reduced.
Referring to fig. 9-10, in this embodiment, in order to further improve the cutting efficiency and the cutting quality, the cutter 443 is abutted against the fixed ring 31, and the cutter 443 is separated from the inner wall of the fixed ring 31 by a distance when starting to rotate, so that the cutter 443 can cooperate with the fixed ring 31 to form a shearing force on the pathological tissue, and simultaneously, the pathological tissue is cut after being tightened, so that the cutting efficiency and the cutting quality can be effectively improved, and further, the sample quality of subsequent analysis can be improved.
In the embodiment, as two rollers are adjacent, the error touch is easily generated in the rotation process to affect the normal use, the arc-shaped shell 11 is symmetrically arranged at the upper end of the holding rod 1, and the cover plate 12 is slidably arranged in the arc-shaped shell 11, so that when the roller needs to be rotated, the cover plate 12 at the outer side of the roller is opened, and the error touch condition of the adjacent rollers is effectively avoided.
Referring to fig. 1 and 3, in this embodiment, in order to improve stability of the extraction rod 41 and the half rod 421 in the horizontal movement process, the cavity rod 15 is fixedly mounted at the other end of the holding rod 1, and the extraction rod 41 and the half rod 421 are slidably connected with the inner wall of the cavity rod 15, so that both ends of the extraction rod 41 and the half rod 421 are supported, thereby effectively improving stability in the movement process.
In order to improve the stability of a person operating the device, the lower end of the holding rod 1 is fixedly provided with the grip 16, the surface of the grip 16 is provided with a groove for placing fingers, the operation stability is obviously improved from the ergonomic angle, the groove can be naturally attached to the shape of the fingers, the hand is more attached and comfortable when held, the shaking of the device caused by unstable holding in the operation process is reduced, meanwhile, the grip 16 provides a more stable force application fulcrum for the hand, and the doctor can exert more accurately and controllably when driving the roller and controlling the extraction component 4 in cooperation with the operation of the holding rod 1, so that the hand fatigue can be effectively reduced, and the stability and the accuracy of the extraction action in the operation can be further ensured, especially in the long-time operation or operation view limited scene.
The working principle is that in the process of operation, when a pathological soft tissue is required to be extracted for pathological analysis, the cover head 3 is firstly aligned with the pathological tissue and abutted against the pathological tissue, then the first roller 13 is driven to rotate by fingers, so that the regulating piece 42 gradually moves horizontally in the direction away from the cover head 3, as the cover head 3 is abutted against the pathological tissue and the through hole disc 32 is communicated, negative pressure is gradually formed in the cover head and adsorbs the pathological tissue, partial pathological 21 tissue gradually stretches into the cover head 3, then the rotation of the first roller 13 is stopped, the second roller 14 is driven to rotate by fingers again, the extraction rod 41 drives the plurality of groups of the grabbing fingers 43 to gradually move horizontally in the direction away from the cover head 3, the plurality of groups of grabbing fingers 43 are simultaneously contacted with the through hole disc 32, the plurality of groups of grabbing fingers 43 are forced to simultaneously rotate and approach the axis of the extraction rod 41, then the partial pathological tissue stretching into the cover head 3 is clamped in the horizontal movement process, the extraction rod 41 also drives the cylinder 441 to synchronously move, the sleeve 442 is forced to drive 443 to rotate passively by the axis of the sleeve body, so that the first roller body 444 is always kept in the direction of the direction away from the axial center of the cover head 3, the pathological tissue is gradually stopped, and the negative pressure of the first roller body is stopped from the first roller body 43 is gradually rotated, and the pathological tissue is maintained in the condition of the first roller body is stopped, and the pathological tissue is gradually stopped, and the pathological condition is detected by the first groove is detected, and the negative pressure is detected, and the condition is completely by the first screw, and the screw is completely and is separated, and the screw and is separated.
The technical scope of the present invention is not limited to the above description, and those skilled in the art may make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and these changes and modifications should be included in the scope of the present invention.
Claims (8)
1. The rapid extraction device for the pathological tissues in operation is characterized by comprising a holding rod, wherein a loop bar is fixedly arranged at one end of the holding rod, a cover head is fixedly sleeved at one end of the loop bar far away from the holding rod and is communicated with the end of the loop bar, extraction components are arranged in the holding rod, the loop bar and the cover head, a roller I and a roller II are rotatably arranged at the inner side of the holding rod, and a through hole disc is fixedly arranged on the inner wall of the cover head;
The extraction assembly comprises an extraction rod arranged on the inner sides of the loop bar, the cover head and the holding rod, an adjusting piece meshed with the first roller is sleeved on the outer side of the extraction rod, the adjusting piece is meshed with the second roller, one end of the extraction rod penetrates through the through hole disc in a sliding mode and is provided with a plurality of groups of grabbing fingers, and a cutting piece is arranged on the outer side of the extraction rod;
The cutting piece comprises a cylinder fixedly connected with the outer wall of the extraction rod, a sleeve is movably sleeved on the outer side of the cylinder, the sleeve is rotationally connected with the through hole disc, a cutter disc is fixedly arranged on the outer wall of the sleeve, a ball head is fixedly arranged on the outer wall of the cylinder, and a thread groove matched with the ball head is formed in the inner wall of the sleeve;
The adjusting piece comprises a half rod which is in sliding connection with the extraction rod, a lantern ring is fixedly arranged on the outer wall of the half rod, the lantern ring is positioned between the extraction rod and the loop rod, tooth grooves are formed in the outer walls of the half rod and the extraction rod, a plurality of teeth are arranged on the outer wall of the first roller in an arrayed mode, the teeth are in meshed connection with the tooth grooves, the first roller and the second roller are identical in structural composition, sealing rings are fixedly arranged on the outer wall and the inner wall of the lantern ring, and the two sealing rings are respectively tightly attached to the loop rod and the extraction rod;
The second roller is driven to rotate by fingers, the extraction rod is driven to drive the multiple groups of grabbing fingers to horizontally move gradually in the direction away from the cover head, the multiple groups of grabbing fingers are caused to simultaneously contact with the through hole disc, the multiple groups of grabbing fingers are forced to simultaneously rotate and approach the axis of the extraction rod, then part of pathological tissues extending into the cover head are grabbed, clamped and pulled in the horizontal movement process, the extraction rod can drive the cylinder to synchronously move in the horizontal movement process, the sleeve is forced to drive the cutter disc to passively rotate with the axis of the sleeve, the fact that the ball head is always located in the thread groove is guaranteed, and then gradually tightened pathological tissues are cut, so that the pathological tissues are retained among the multiple groups of grabbing fingers.
2. The rapid intraoperative pathological tissue extraction device according to claim 1, wherein a fixed ring is fixedly arranged at one end of the cover head, and the sleeve is rotatably connected with the fixed ring.
3. The rapid intraoperative pathological tissue extraction device according to claim 1, wherein one end of each grabbing finger is symmetrically provided with a connecting rod, the connecting rod is rotationally connected with the extraction rod, a torsion spring is fixedly sleeved on the outer side of the connecting rod, and one end of the torsion spring is fixedly connected with the extraction rod.
4. The rapid intraoperative pathological tissue extraction device according to claim 1, wherein the grabbing fingers, the first roller and the second roller are provided with anti-skid grooves on the outer surfaces, a plurality of groups of grabbing fingers are circumferentially arranged with the extraction rod as an axis, and the structures of the grabbing fingers are the same.
5. The rapid intraoperative pathological tissue extraction device according to claim 2, wherein the cutterhead is abutted against the fixed ring, and the cutterhead starts to rotate at a distance from the inner wall of the fixed ring.
6. The rapid intraoperative pathological tissue extraction device according to claim 1, wherein the upper end of the holding rod is symmetrically provided with an arc-shaped shell, and a cover plate is installed on the inner side of the arc-shaped shell in a sliding manner.
7. The rapid intraoperative pathological tissue extraction device according to claim 1, wherein a cavity rod is arranged at the other end of the holding rod, and the extraction rod and the half rod are both in sliding connection with the inner wall of the cavity rod.
8. The rapid extraction device for intraoperative pathological tissues according to claim 1, wherein a grip is fixedly arranged at the lower end of the grip rod, and a groove for placing fingers is formed in the surface of the grip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511148628.0A CN120694693B (en) | 2025-08-18 | 2025-08-18 | A device for rapid extraction of intraoperative pathological tissue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511148628.0A CN120694693B (en) | 2025-08-18 | 2025-08-18 | A device for rapid extraction of intraoperative pathological tissue |
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| CN120694693A CN120694693A (en) | 2025-09-26 |
| CN120694693B true CN120694693B (en) | 2025-10-31 |
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| CN202511148628.0A Active CN120694693B (en) | 2025-08-18 | 2025-08-18 | A device for rapid extraction of intraoperative pathological tissue |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109820545A (en) * | 2019-04-02 | 2019-05-31 | 江苏省肿瘤医院 | A Rotational Suction Device for Obtaining Lung GGO Tissue Samples |
| CN120203644A (en) * | 2025-03-24 | 2025-06-27 | 南京康友医疗科技有限公司 | Negative pressure biopsy needle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11123197A (en) * | 1997-10-23 | 1999-05-11 | Olympus Optical Co Ltd | Sucking biopsy tool |
| JP3708356B2 (en) * | 1998-11-20 | 2005-10-19 | 株式会社モリタ製作所 | Tissue extractor and excision forceps used therefor |
| CN107773274B (en) * | 2016-08-31 | 2024-10-18 | 陈世辉 | Spiral soft tissue biopsy needle |
| KR102672534B1 (en) * | 2016-12-02 | 2024-06-07 | 데비코어 메디컬 프로덕츠, 인코포레이티드 | Multi-chamber tissue sample cup for biopsy device |
| CN213189787U (en) * | 2020-07-03 | 2021-05-14 | 辽宁省肿瘤医院 | A biopsy extraction forceps for urological surgery |
| CN112402708A (en) * | 2020-11-19 | 2021-02-26 | 韩广山 | Special peritoneoscope area nipper aspirator of hepatobiliary surgery |
| CN222303942U (en) * | 2024-03-21 | 2025-01-07 | 郑州华垠康医学检验有限公司 | Sampling device for pathological tissues |
| CN118000793A (en) * | 2024-04-07 | 2024-05-10 | 上海市肺科医院（上海市职业病防治院） | Aspiration type tumor focus biopsy device and use method thereof |
-
2025
- 2025-08-18 CN CN202511148628.0A patent/CN120694693B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109820545A (en) * | 2019-04-02 | 2019-05-31 | 江苏省肿瘤医院 | A Rotational Suction Device for Obtaining Lung GGO Tissue Samples |
| CN120203644A (en) * | 2025-03-24 | 2025-06-27 | 南京康友医疗科技有限公司 | Negative pressure biopsy needle |
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