WO2022141622A1

WO2022141622A1 - Biopsy needle actuating device and fully automatic biopsy device

Info

Publication number: WO2022141622A1
Application number: PCT/CN2021/070108
Authority: WO
Inventors: 王沁
Original assignee: 苏州市立普医疗科技有限公司
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2022-07-07

Abstract

A biopsy needle actuating device and a fully automatic biopsy device. The biopsy needle actuating device comprises a shell (1), wherein a needle output end of the shell (1) is the front end, and the end thereof away from the needle output end is the rear end; an actuating button (2) and an actuating device are sequentially arranged in the shell (1) in a direction from the rear end to the front end, and the actuating button (2) is used for triggering the actuating device; and the actuating device is used for executing a needle output operation when triggered, and the actuating device is provided with a first winding-up button (39) and a second winding-up button (48), the first winding-up button (39) and the second winding-up button (48) being arranged in parallel left and right in the direction from the rear end to the front end. By means of the rational layout of an actuating structure, a biopsy needle can be operated more easily, and situations, such as where the biopsy needle cannot be actuated or is actuated by mistake due to the structure being complex, can be prevented. The biopsy needle actuating device is more flexible, safer and more reliable.

Description

A biopsy needle excitation device and an automatic biopsy device

technical field

The invention relates to the technical field of medical devices, in particular to a biopsy needle excitation device and an automatic biopsy device.

Background technique

The full name of biopsy is "biopsy", which is a pathological examination technique that requires the use of professional devices to take part of the diseased tissue (such as small lesions and located on the body surface, often all lesions are taken) for pathological biopsy. The exact basis for the clinical elective to take the appropriate surgery or other treatment measures.

The advantages of biopsy are: less trauma, less pain for the patient, recovery period, and low difficulty in operation; the disadvantage is that the success of the operation is not only determined by the doctor's operation, but also affected by the biopsy equipment. The existing biopsy Equipment, there are generally problems such as unreasonable button arrangement, cumbersome operation, sampling failure to stimulate, false activation, and failure to obtain diseased tissue. Such problems in biopsy equipment can easily lead to difficulties in diagnosis or missed diagnosis, and even medical incidents, thereby deepening the spirit of the patient. physical pain.

SUMMARY OF THE INVENTION

The present invention provides a biopsy needle excitation device and a fully automatic biopsy device. When performing a surgical operation, the excitation device is triggered by an excitation button. The biopsy needle is easy to operate, and the buttons on the biopsy needle are reasonably arranged to avoid complicated structures. The resulting failure to excite, false excitation, etc., makes the biopsy needle excitation device more flexible, safe and reliable.

In one aspect of the present invention, a biopsy needle excitation device is provided, comprising a casing, the needle exit end of the casing is the front end, the end away from the needle exit end is the rear end, and excitation buttons are sequentially arranged in the casing along the direction from the rear end to the front end. and a triggering device, wherein: the triggering button is used to trigger the triggering device; the triggering device is used to perform a needle out operation when triggered, the triggering device has a first winding button and a second winding button, and in the direction from the rear end to the front end, The first winding button and the second winding button are arranged side by side.

Optionally, the activation button has a side activation part; the first winding button and the second winding button are arranged on the front side of the casing, and the side activation part is arranged on the side surface of the casing.

Optionally, the excitation device includes a first excitation device and a second excitation device, wherein: the excitation button is used to trigger the first energy storage structure of the first excitation device, so that the first energy storage structure drives the first excitation device to the second excitation device. The device moves, and the first excitation device can trigger the second energy storage structure of the second excitation device, so that the second energy storage structure drives the second excitation device to move toward the front end of the housing.

Optionally, the first excitation device further includes a first boss and a first needle seat, the first energy storage structure is a first spring, wherein the first boss is fixedly connected to the housing, and the first needle seat passes through the first spring The drive moves between the first boss and the second excitation device, and when the first needle seat moves to the first boss, the first spring is compressed, the first needle seat is clamped with the first boss, and the trigger button is located in the first boss. Between the boss and the rear end of the housing, it is used to drive the first needle seat to separate from the first boss; the second excitation device further includes a second boss and a second needle seat, and the second energy storage structure is a second spring , wherein, the second boss is fixedly connected with the housing, the second needle seat is driven by the second spring to move between the second boss and the front end of the housing, and when the second needle seat moves to the second boss, the second spring After being compressed, the second needle seat is clamped with the second boss, and the second needle seat is driven to separate from the second boss through the first needle seat.

Optionally, the tail end of the first needle seat is provided with a first groove, the first groove is provided with at least one first straight rod perpendicular to the bottom of the first groove, and the front end of the first spring is located in the first groove. inside, and sleeved on the first straight rod, the rear end of the first spring abuts the first boss, the end of the first straight rod protrudes from the first groove, and is provided with a first buckle, the first convex The stage is provided with a first card interface connected with the first buckle, and the front end of the activation button is provided with a first conical groove for driving the first buckle to separate from the first card interface.

Optionally, the tail end of the second needle seat is provided with a second groove, the second groove is provided with at least one second straight rod perpendicular to the bottom of the second groove, and the front end of the second spring is located in the second groove. inside, and sleeved on the second straight rod, the rear end of the second spring abuts the second boss, the end of the second straight rod protrudes from the second groove, and is provided with a second buckle, the second convex The table is provided with a second card interface connected with the second buckle, and the front end of the first needle seat is provided with a second conical groove for driving the second buckle to separate from the second card interface.

Optionally, the first winding button is arranged between the second excitation device and the front end of the housing; the front end of the first winding button is provided with a first needle body installation position and a first winding hand position, and the rear end is connected with the first connecting rod through the first link. The first needle seat is connected, and the first winding hand position passes through the front end of the housing.

Optionally, the second winding button is arranged between the second excitation device and the front end of the casing; the front end of the second winding button is provided with a second needle body installation position and a second winding hand position that penetrates the front end of the casing, and the rear end It is connected with the second needle seat through the second connecting rod.

Optionally, an extension part is provided at the position between the first winding hand position and the second winding hand position on the bottom of the front end of the housing, and the first winding hand position and the second winding hand position can be along the upper surface of the extension part. Sliding; the front end of the extension is the needle outlet end.

Optionally, the activation button further includes a rear activation part; the rear end of the casing is provided with a through hole, the rear activation part is arranged in the through hole, and the rear activation part is connected with the rear end of the activation button.

Optionally, the activation button further includes a third connecting rod, wherein the third connecting rod passes through the bar-shaped hole at the side end of the casing from the inside of the casing, and the side activation part is connected to the activation button through the third connecting rod and is located outside the casing.

Another aspect of the present invention further provides an automatic biopsy device, comprising an inner needle, an outer needle and the above-mentioned biopsy needle excitation device; the inner needle and the outer needle are connected to the excitation device.

According to the technical solution provided by the present invention, the excitation structure is reasonably arranged, and the excitation device is triggered by the excitation button during the operation, the operation of the biopsy needle is more convenient, and the rational arrangement of the buttons on the biopsy needle can avoid the complicated structure The biopsy needle excitation device is more flexible, safe and reliable in the event of inability to excite, mis-excitation and other conditions caused.

Description of drawings

For purposes of illustration and not limitation, the present invention will now be described in accordance with preferred embodiments thereof, particularly with reference to the accompanying drawings, wherein:

1 is a cross-sectional view of a first excitation device of a biopsy needle excitation device provided by an embodiment of the present invention;

2 is a cross-sectional view of a second excitation device of the biopsy needle excitation device provided by an embodiment of the present invention;

3 is a partial cross-sectional view of the biopsy needle excitation device provided by an embodiment of the present invention when it is not excited;

4 is a partial cross-sectional view of the biopsy needle excitation device provided by an embodiment of the present invention when it is excited;

5 is a front view of the fully automatic biopsy device provided by an embodiment of the present invention;

6 is a left side view of the fully automatic biopsy device provided by an embodiment of the present invention;

FIG. 7 is a bottom view of the fully automatic biopsy device provided by the embodiment of the present invention.

In the picture:

1: housing; 2: activation button; 3: first activation device; 4: second activation device; 5: inner needle; 6: outer needle;

11: extension;

21: the first conical groove; 22: the rear excitation part; 23: the side excitation part; 24: the third link;

31: The first boss; 32: The first needle seat; 33: The first spring; 34: The first groove; 35: The first straight rod; 36: The first snap; 37: The first card interface; 38: The second conical groove; 39: the first winding button; 391: the first needle body installation position; 392: the first winding hand position; 393: the first connecting rod;

41: The second boss; 42: The second needle seat; 43: The second spring; 44: The second groove; 45: The second straight rod; 46: The second snap; 47: The second card interface; 48: The second winding button; 481: the second needle body installation position; 482: the second winding hand position; 483: the second connecting rod.

Detailed ways

The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the related content, rather than limit the present application. For the sake of brevity, in the description of the various embodiments of the present application, the same or similar device/method steps are used with the same or similar reference numerals.

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other if there is no conflict.

1 is a cross-sectional view of a first excitation device of a biopsy needle excitation device provided by an embodiment of the present invention; FIG. 2 is a cross-sectional view of a second excitation device of the biopsy needle excitation device provided by an embodiment of the present invention. As shown in Figures 1 and 2, the biopsy needle excitation device includes a housing 1, the needle exit end of the casing 1 is the front end, and the end away from the needle exit end is the rear end, and the excitation device is sequentially arranged in the casing 1 from the rear end to the front end. The button 2, the first excitation device 3 and the second excitation device 4; the first excitation device 3 includes a first boss 31, a first needle seat 32 and a first spring 33, and the first boss 31 is fixedly connected to the housing 1, The activation button 2 is located between the first boss 31 and the rear end of the housing 1, and the first needle seat 32 is driven by the first spring 33 to move between the first boss 31 and the second activation device 4, wherein the first When the needle seat 32 moves to the first boss 31, the first spring 33 is compressed, and the first needle seat 32 and the first boss 31 are snapped together, and the first needle seat 32 and the first boss 31 are driven by the activation button 2 Separate; the second excitation device 4 includes a second boss 41, a second needle seat 42 and a second spring 43, the second boss 41 is fixedly connected to the housing 1, and the second needle seat 42 is driven by the second spring 43 in the first The two bosses 41 move between the front end of the housing 1 , wherein, when the second needle seat 42 moves to the second boss 41 , the second spring 43 is compressed, and the second needle seat 42 is engaged with the second boss 41 , the second needle seat 42 is driven to separate from the second boss 41 through the first needle seat 32 .

In the biopsy needle excitation device provided by the embodiment of the present invention, the second excitation device 4 is arranged in the stroke of the first excitation device 3, and the second excitation device 4 can be excited by the first excitation device 3. Therefore, when in use, only It is only necessary to manually activate the first excitation device 3 through the excitation button 2. The setting method of this excitation device satisfies the one-key excitation of the first excitation device 3 and the second excitation device 4, and also meets the requirements of the excitation time difference between the two. .

As shown in FIG. 1 , the tail end of the first needle seat 32 is provided with a first groove 34, and at least one first straight rod 35 perpendicular to the bottom of the first groove 34 is provided in the first groove 34. The first spring The front end of the first spring 33 is located in the first groove 34 and is sleeved on the first straight rod 35, the rear end of the first spring 33 abuts the first boss 31, and the end of the first straight rod 35 protrudes from the first concave. The slot 34 is provided with a first buckle 36, the first boss 31 is provided with a first card interface 37 connected with the first buckle 36, and the front end of the activation button 2 is provided with a first buckle 36 for driving the first buckle 36 and the first buckle 36. A card interface 37 separates the first tapered groove 21 . The first excitation device 3 also includes a first winding button 39, and the first winding button 39 is arranged between the second excitation device 4 and the front end of the housing 1; the front end of the first winding button 39 is provided with a first needle body installation position 391 and The rear end of the first winding hand position 392 is connected with the first needle seat 32 through the first connecting rod 393 , and the first winding hand position 392 passes through the front end of the housing 1 . When in use, press the first winding hand position 392, the first spring 33 is compressed between the first needle seat 32 and the first boss 31, when the first buckle 36 moves to the position of the first boss 31, the first The clip 36 is clipped with the first card interface 37 , wherein the end of the first clip 36 protrudes out of the first card interface 37 . During the activation operation, the first conical groove 21 on the activation button 2 abuts against the end of the first buckle 36. Since the width of the groove body of the first conical groove 21 gradually decreases, the first buckle 36 is generated to the first buckle. A deformation in the center direction of the tapered groove 21 , that is, the first buckle 36 clamped on the first card interface 37 is contracted (eliminates expansion), and then is released from the limit of the first card interface 37, and the first spring 33 returns Under the action of the elastic force, the first needle seat 32 is activated.

As shown in FIG. 2 , the tail end of the second needle seat 42 is provided with a second groove 44 , and at least one second straight rod 45 perpendicular to the bottom of the second groove 44 is provided in the second groove 44 . The second spring The front end of the second spring 43 is located in the second groove 44 and is sleeved on the second straight rod 45 , the rear end of the second spring 43 abuts the second boss 41 , and the end of the second straight rod 45 protrudes from the second concave The groove 44 is provided with a second buckle 46 , the second boss 41 is provided with a second interface 47 connected with the second buckle 46 , and the front end of the first needle seat 32 is provided with a second buckle 46 for driving the second buckle 46 The second tapered slot 38 is separated from the second card interface 47 . The second excitation device 4 further includes a second winding button 48, which is arranged between the second excitation device 4 and the front end of the housing 1; the front end of the second winding button 48 is provided with a second needle body installation position 481 and In the second winding hand position 482 , the rear end is connected with the second needle seat 42 through the second connecting rod 483 , and the second winding hand position 482 passes through the front end of the housing 1 . The first needle seat 32 activates the second activation device 4 in the same manner as the activation button 2 activates the first activation device 3 , that is, the activated first needle seat 32 moves in the direction of the second boss 41 and moves to the second boss 41 . When the stage 41 is in position, the second excitation device 4 is activated.

As shown in FIG. 1 and FIG. 2 , in the embodiment of the present invention, the front end of the housing 1 is located at the bottom of the first winding hand position 392 and the bottom of the second winding hand position 482 with the extension 11 , the first winding hand position 392 and the second The second winding hand position 482 slides along the upper surface of the extension part 11 ; the front end of the extension part 11 is the needle outlet end. The first winding hand position 392 and the second winding hand position 482 are located at the front end of the housing 1 and are arranged side by side. By adopting the above arrangement, the key position arrangement is more reasonable, and the pressing and winding operation is convenient.

In the embodiment of the present invention, the biopsy needle excitation device further includes a rear excitation part 22 and a side excitation part 23; the rear end of the housing 1 is provided with a through hole, the rear excitation part 22 is arranged in the through hole, and the rear excitation part 22 and the excitation button The rear end of 2 is connected; the side end of the shell 1 is provided with a strip hole, the side excitation part 23 is connected with the side end of the activation button 2 through the third link 24, the side excitation part 23 is located outside the shell 1, and the third connection is connected. The rod 24 is located inside the housing 1 . The biopsy structure includes two excitation methods, namely post-excitation and lateral excitation. The excitation positions are at different positions of the biopsy structure. During the biopsy operation, an appropriate excitation method can be selected according to the convenience of the operation to further improve the convenience of the operation.

3 is a partial cross-sectional view of the biopsy needle excitation device provided by the embodiment of the present invention when it is not excited; FIG. 4 is a partial cross-sectional view of the biopsy needle excitation device provided by the embodiment of the present invention when it is excited. As shown in FIG. 3 , both the first excitation device 3 and the second excitation device 4 are in the winding state. In this state, the first spring 33 and the second spring 43 are compressed, and the first buckle 36 is locked with the first card interface 37 Then, the second snap 46 is snapped with the second card interface 47 . During the activation operation, the rear activation part 22 or the side activation part 23 can be selected by pressing. As shown in FIG. 4 , the activation button 2 activates the first activation device 3 , so that the first buckle 36 is separated from the first card interface 37 , and under the action of the first spring 33 , the first needle seat 32 moves toward the front end of the casing 1 After reaching the second boss 41 , the first needle seat 32 activates the second excitation device 4 , so that the second buckle 46 is disengaged from the second card interface 47 . Under the action of the second spring 43 , the second needle seat 42 moves toward the housing 1 . front-end movement.

Fig. 5 is a front view of the fully automatic biopsy device provided by the embodiment of the present invention; Fig. 6 is a left side view of the fully automatic biopsy device provided by the embodiment of the present invention; Fig. 7 is a bottom view of the fully automatic biopsy device provided by the embodiment of the present invention . As shown in FIGS. 3 to 7 , the fully automatic biopsy device includes an inner needle 5 , an outer needle 6 and the above-mentioned biopsy needle excitation device; the inner needle 5 is connected to the first excitation device 3 , and the outer needle 6 is connected to the second excitation device 4 .

When the automatic biopsy device is in use, the first excitation device 3 drives the inner needle 5 to move, so that the inner needle 5 enters the human lesion first, and then the second excitation device 4 drives the outer needle 6 to move, so that the outer needle 6 enters the human lesion, and the outer needle 6 moves. 6. The cut part of the sample is left in the sampling groove of the inner needle 5, so as to achieve the purpose of biopsy.

According to the technical solution provided by this embodiment, by rationally arranging the excitation structure, the first excitation device 3 can be used to excite the second excitation device 4. During the surgical operation, only the excitation button 2 needs to be driven to realize the first excitation. The spaced excitation of the excitation device 3 and the second excitation device 4 makes the operation of the biopsy needle structure simpler, and can avoid situations such as failure to excite and misexcite due to the complicated structure, and the biopsy needle excitation device is safer and more reliable.

The above-mentioned specific embodiments do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

A biopsy needle excitation device, characterized in that:

It comprises a casing (1), the needle outlet end of the casing (1) is the front end, the end away from the needle outlet end is the rear end, and an activation button (2) and an activation button (2) and an activation button are sequentially arranged in the casing (1) along the direction from the rear end to the front end. device, where:

The excitation button (2) is used to trigger the excitation device;

The triggering device is used to perform a needle out operation when triggered, the triggering device has a first winding button (39) and a second winding button (48), and in the direction from the rear end to the front end, the first winding button (39) and the The second winding buttons (48) are arranged side by side.
The biopsy needle excitation device of claim 1, wherein:

The activation button (2) has a side activation part (23);

The first winding button (39) and the second winding button (48) are arranged on the front side of the casing (1), and the side excitation part (23) is arranged on the side surface of the casing (1).
The biopsy needle excitation device according to claim 1 or 2, wherein:

The excitation device includes a first excitation device (3) and a second excitation device (4), wherein: the excitation button (2) is used to trigger the first energy storage structure of the first excitation device (3), so that the first energy storage structure is driven The first excitation device (3) moves toward the second excitation device (4), and the first excitation device (3) can trigger the second energy storage structure of the second excitation device (4), so that the second energy storage structure drives the second energy storage structure. The second excitation device (4) moves toward the front end of the housing (1).
The biopsy needle excitation device according to claim 3, wherein:

The first excitation device (3) further comprises a first boss (31) and a first needle seat (32), the first energy storage structure is a first spring (33), wherein the first boss (31) and the housing (1) Fixed connection, the first needle seat (32) is driven by the first spring (33) to move between the first boss (31) and the second excitation device (4), and the first needle seat (32) moves When reaching the first boss (31), the first spring (33) is compressed, and the first needle seat (32) is clamped with the first boss (31);

The activation button (2) is located between the first boss (31) and the rear end of the housing (1), and is used to drive the first needle seat (32) to separate from the first boss (31);

The second excitation device (4) further includes a second boss (41) and a second needle seat (42), and the second energy storage structure is a second spring (43), wherein the second boss (41) is connected to the housing (1) Fixed connection, the second needle seat (42) is driven by the second spring (43) to move between the second boss (41) and the front end of the housing (1), and the second needle seat (42) moves to When the second boss (41) is pressed, the second spring (43) is compressed, the second needle seat (42) is clamped with the second boss (41), and the second needle seat (42) is driven by the first needle seat (32). ) is separated from the second boss (41).
The biopsy needle excitation device of claim 4, wherein:

The rear end of the first needle seat (32) is provided with a first groove (34), and at least one first straight rod (35) perpendicular to the bottom of the first groove (34) is provided in the first groove (34) ,

The front end of the first spring (33) is located in the first groove (34) and is sleeved on the first straight rod (35), and the rear end of the first spring (33) abuts against the first boss (31),

The end of the first straight rod (35) protrudes from the first groove (34), and is provided with a first buckle (36), and the first boss (31) is provided with a connection with the first buckle (36). the first card interface (37),

The front end of the activation button (2) is provided with a first conical groove (21) for driving the first snap (36) to separate from the first snap interface (37).
The biopsy needle excitation device of claim 5, wherein:

The rear end of the second needle seat (42) is provided with a second groove (44), and the second groove (44) is provided with at least one second straight rod (45) perpendicular to the bottom of the second groove (44). ,

The front end of the second spring (43) is located in the second groove (44) and is sleeved on the second straight rod (45), and the rear end of the second spring (43) abuts against the second boss (41),

The end of the second straight rod (45) protrudes from the second groove (44), and is provided with a second buckle (46), and the second boss (41) is provided with a connection with the second buckle (46). the second card interface (47),

The front end of the first needle seat (32) is provided with a second conical groove (38) for driving the second snap (46) to separate from the second snap interface (47).
The biopsy needle excitation device of claim 6, wherein:

The first winding button (39) is arranged between the second excitation device (4) and the front end of the casing (1);

The front end of the first winding button (39) is provided with a first needle body installation position (391) and a first winding hand position (392), and the rear end is connected with the first needle seat (32) through a first connecting rod (393), The first winding hand position (391) passes through the front end of the casing (1).
The biopsy needle excitation device of claim 7, wherein:

The second winding button (48) is arranged between the second excitation device (4) and the front end of the casing (1);

The front end of the second winding button (48) is provided with a second needle body installation position (481) and a second winding hand position (482) passing through the front end of the housing (1), and the rear end is connected with the second connecting rod (483) through the second link (483). The second needle seat (42) is connected.
The biopsy needle excitation device of claim 8, wherein:

An extension (11) is provided at the position between the first winding hand position (391) and the second winding hand position (481) on the bottom of the front end of the casing (1), and the first winding hand position (391) and the first winding hand position (391) and the second winding hand position (481). The second winding hand position (481) can slide along the upper surface of the extension part (11);

The front end of the extension part (11) is the needle outlet end.
The biopsy needle excitation device according to claim 2, wherein:

The activation button (2) also includes a rear activation part (22);

The rear end of the casing (1) is provided with a through hole, the rear excitation part (22) is arranged in the through hole, and the rear excitation part (22) is connected with the rear end of the excitation button (2).
The biopsy needle excitation device according to claim 2, wherein:

The activation button (2) also includes a third link (24), wherein:

The third connecting rod (24) passes from the inside of the casing (1) through the bar-shaped hole at the side end of the casing (1), and the side activation part (23) is connected to the activation button (2) through the third connecting rod (24) and is located at the Outside the shell (1).
A fully automatic biopsy device, characterized in that:

comprising an inner needle (5), an outer needle (6) and the biopsy needle excitation device according to any one of claims 1 to 11;

The inner needle (5) and the outer needle (6) are connected with the excitation device.