CN220327482U

CN220327482U - A nail storehouse subassembly for surgical instrument

Info

Publication number: CN220327482U
Application number: CN202321527957.2U
Authority: CN
Inventors: 罗斌; 高娟娟; 王华枝
Original assignee: Peking University International Hospital
Current assignee: Peking University International Hospital
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-01-12
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a nail bin assembly for surgical instruments, and particularly relates to the field of surgical instruments. According to the utility model, the binding mechanism is arranged, so that the binding bin assembly can assist in fixing the binding bin seat and the nail propping seat through the binding mechanism in the later use, the stability of the binding bin seat is improved, the treatment effect on a patient is improved, the insertion end is inserted into the body tissue of the patient, the nail propping seat is controlled to rotate through the control operation assembly, the binding bin seat is attached to the nail propping seat, the insertion end is attached to the auxiliary block along with the nail propping seat, and the limiting block is extruded to move towards the inside of the fixing block and is inserted into the second groove, namely the insertion end is fixed with the auxiliary block, so that the stability between the binding bin seat and the nail propping seat is improved.

Description

A nail storehouse subassembly for surgical instrument

Technical Field

The present utility model relates to the field of surgical instruments, and more particularly, to a staple cartridge assembly for a surgical instrument.

Background

Surgical cutting staplers are a commonly used instrument in medicine to replace manual suturing, and the main working principle is to use a cutting knife to separate tissues and use titanium nails to anastomose the tissues, similar to a stapler. According to the surgical incision anastomat, the operating principle is that a cannula of a puncture outfit accurately positioned at an operation part enters a patient, then a longitudinal incision is made in tissues and anastomoses are applied on opposite sides of the incision, so that the tissues are separated and anastomosed;

in search, the prior patent (publication No. CN 109692024A) discloses a cartridge for a surgical instrument, comprising a cartridge body extending in a longitudinal direction, the cartridge body being provided with a staple cavity penetrating an upper surface and a lower surface thereof, the cartridge body being further provided with a recess formed by downwardly recessing from the upper surface, the recess comprising an inner wall extending in a circumferential direction thereof, the recess being for accommodating human tissue. The concave part is used for accommodating human tissues, so that the human tissues above the nail bin body can be prevented from being displaced due to the action of external force, and the suturing effect is better. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model:

when the existing surgical instrument is used in the later period, the tissue of a patient is anastomosed by attaching the stapling seat to the abutting seat when the stapling seat is used for stapling the tissue of the patient, but the existing stapling seat is only simple in mechanical control when the stapling seat is attached to the abutting seat, the stability is poor, if errors occur, the stapling seat and the abutting seat are sprung out to generate danger, and a stapling mechanism is not arranged for assisting in fixing the stapling seat of the surgical instrument, so that the stapling mechanism is required to be additionally arranged for assisting in fixing the stapling seat of the surgical instrument;

accordingly, a cartridge assembly for a surgical instrument has been proposed in response to the above-described problems.

Disclosure of Invention

In order to overcome the above-described deficiencies of the prior art, the present utility model provides a cartridge assembly for a surgical instrument that solves the problems set forth in the background of the utility model.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a nail bin assembly for a surgical instrument, which comprises a nail bin seat, wherein a binding mechanism of the nail bin assembly is arranged in the nail bin seat, and comprises a nail supporting seat, an inserting end, an auxiliary block, a fixing block, a first groove, a spring, a limiting block, a second groove, a baffle plate and an electric push rod;

the top of the bin seat is nested with a nail propping seat, one side of the bin seat is fixedly provided with an insertion end, one side of the nail propping seat is fixedly provided with an auxiliary block, the bottom of the auxiliary block is fixedly provided with a fixed block, one side of the interior of the insertion end is embedded with a first groove, the spring is embedded and installed on one side of the fixed block, the limiting block is fixedly installed on one side of the spring, the second groove is embedded and installed on one side of the inner portion of the first groove, the baffle is embedded and installed in the inner portion of the second groove, and the electric push rod is fixedly installed on one side of the baffle.

Preferably, the inside of the bin seat is embedded and provided with a stitching nail, and the stitching cavity can be embedded and provided in the inner side of the bin seat at any time.

Preferably, the first chute is embedded and installed in the nail propping seat, the knife rest is embedded and installed at the top of the first chute, the cutting blade is embedded and installed at the bottom of the knife rest, and the second chute is embedded and installed in the nail storeroom seat.

Preferably, a graduated scale is arranged at the top of the nail propping seat.

Preferably, a plurality of staples are arranged and uniformly distributed at the top of the staple cartridge seat and meshed with the staple supporting seat.

Preferably, the insertion end is interengaged with the auxiliary block.

Preferably, the fixing block is engaged inside the first groove.

Preferably, the first sliding groove and the second sliding groove are in the same horizontal plane.

The utility model has the technical effects and advantages that:

compared with the prior art, the stapling bin assembly of the surgical instrument can be used in the later stage by arranging the stapling mechanism, the stapling bin seat and the abutting seat can be fixed in an auxiliary manner through the stapling mechanism, the stability of the stapling bin assembly is improved, so that the treatment effect on a patient is improved, the stapling bin assembly is fixed in the stapling bin seat, the inserting end is inserted into the body tissue of the patient, the abutting seat is controlled to rotate through the control operation assembly, the stapling bin seat is attached to the abutting seat, the inserting end is inclined, the stapling bin seat is convenient to insert into the body tissue of the patient, the inserting end is attached to the auxiliary block, the fixing block at the bottom of the auxiliary block is inserted into the first groove, the limiting block is simultaneously extruded to move into the fixing block, the spring is compressed, the limiting block is inserted into the second groove after moving to the designated position, the inserting end and the auxiliary block are fixed, the stability between the stapling bin seat is improved, and the abutting seat is finished, and meanwhile, the electric push rod is controlled through the control operation assembly, so that the limiting block is pushed forward, and the stapling bin seat is separated from the second groove, and the stapling bin seat is attached to the body tissue of the patient.

Compared with the prior art, the bin stapling component of the surgical instrument is matched with each other through the knife rest, the cutting blade, the first sliding groove, the second sliding groove and the graduated scale, the knife rest is controlled to move, the cutting blade moves along the first sliding groove and the second sliding groove, the cutting of the body component of a patient is realized, meanwhile, the graduated scale is arranged on one side of the knife rest, the knife rest is assisted to move through the graduated scale, and the movement position of the knife rest is convenient to observe.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the front cross-sectional structure of the present utility model.

Fig. 3 is an enlarged view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is an enlarged view of the structure at B in fig. 1 according to the present utility model.

The reference numerals are: 1. a warehouse binding seat; 2. a binding mechanism; 3. a nail supporting seat; 4. an insertion end; 5. an auxiliary block; 6. a fixed block; 7. a first groove; 8. a spring; 9. a limiting block; 10. a second groove; 11. a baffle; 12. an electric push rod; 13. stitching nails; 14. suturing the cavity; 15. a tool holder; 16. a cutting blade; 17. a first chute; 18. a second chute; 19. a graduated scale.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

A nail bin assembly for a surgical instrument shown in fig. 2 and 3 comprises a nail bin seat 1, wherein a binding mechanism 2 of the nail bin assembly is arranged in the binding bin seat 1, and the binding mechanism 2 comprises a nail abutting seat 3, an inserting end 4, an auxiliary block 5, a fixed block 6, a first groove 7, a spring 8, a limiting block 9, a second groove 10, a baffle plate 11 and an electric push rod 12; the top of the warehouse binding seat 1 is nested to be installed and support nail seat 3, one side of the warehouse binding seat 1 is fixedly provided with an insertion end 4, one side of the warehouse binding seat 3 is fixedly provided with an auxiliary block 5, the bottom of the auxiliary block 5 is fixedly provided with a fixed block 6, one side of the inside of the insertion end 4 is embedded and installed with a first groove 7, one side of the fixed block 6 is embedded and installed with a spring 8, one side of the spring 8 is fixedly provided with a limiting block 9, one side of the inside of the first groove 7 is embedded and installed with a second groove 10, one side of the second groove 10 is embedded and installed with a baffle 11, and one side of the baffle 11 is fixedly provided with an electric push rod 12.

Wherein: the stitching 13 assembly is fixed in the interior of the stitching bin seat 1, the inserting end 4 is inserted into the body tissue of a patient, the stitching bin seat 1 and the stitching bin seat 3 are jointed by controlling the operation assembly, the inserting end 4 is provided with an inclination, the stitching bin seat 1 is conveniently inserted into the body tissue of the patient, the inserting end 4 and the auxiliary block 5 are jointed along with the stitching bin seat, the fixing block 6 at the bottom of the auxiliary block 5 is inserted into the first groove 7, meanwhile, the limiting block 9 is extruded to move towards the interior of the fixing block 6, the spring 8 is compressed, the limiting block 9 is inserted into the second groove 10 after moving to a designated position, namely the inserting end 4 and the auxiliary block 5 are fixed, stability between the stitching bin seat 1 and the stitching bin seat 3 is improved, meanwhile, the electric push rod 12 is controlled by controlling the operation assembly after the stitching of the body assembly of the patient, the baffle 11 is pushed forward, the limiting block 9 is separated from the second groove 10, and the stitching bin seat 3 and the stitching bin seat 1 are separated, and the stitching of the body assembly of the patient is finished.

Examples

On the basis of the first embodiment, the scheme in the first embodiment is further introduced in detail in combination with the following specific working modes, and the details are described below:

as shown in fig. 2, as a preferred embodiment; the inside embedding of the cartridge seat 1 is provided with the stitching nail 13, the inside embedding of the abutting nail seat 3 is provided with the stitching cavity 14 at any time, and further, when the cartridge seat 1 is attached to the abutting nail seat 3, the stitching nail 13 is inserted into the stitching cavity 14 along with the stitching, so that the body components of a patient are stitched.

As shown in fig. 2, as a preferred embodiment; the first chute 17 is embedded and installed in the nail supporting seat 3, the tool rest 15 is embedded and installed at the top of the first chute 17, the cutting blade 16 is embedded and installed at the bottom of the tool rest 15, the second chute 18 is embedded and installed in the interior of the nail warehouse seat 1, further, the body component of a patient is cut through the cutting blade 16, the tool rest 15 is controlled by the control component to move along the first chute 17 and the second chute 18, namely, the clamped component is cut and separated, namely, the separation of the body component of the patient is realized.

As shown in fig. 4, as a preferred embodiment; the top of the nail propping seat 3 is provided with a graduated scale 19, and further, the graduated scale 19 assists the knife rest 15 to move, so that the moving position of the knife rest 15 can be observed conveniently.

As shown in fig. 2, as a preferred embodiment; the staples 13 are provided with a plurality of staples which are uniformly distributed at the top of the staple cartridge seat 1 and are meshed with the staple abutting seat 3, and further, the staples 13 are attached to the staple abutting seat 3 through the staple cartridge seat 1, so that the body components of a patient are sutured.

As shown in fig. 2, as a preferred embodiment; the insertion end 4 is meshed with the auxiliary block 5, and further, the insertion end 4 is fixed with the auxiliary block 5 to assist in fixing the stapling bin seat 1 and the stapling abutting seat 3, so that stability of the stapling bin seat is improved.

As shown in fig. 2, as a preferred embodiment; the fixing block 6 is engaged in the first groove 7, and further, the insertion end 4 and the auxiliary block 5 are fixed by the fixing block 6 being engaged in the first groove 7.

As shown in fig. 1, as a preferred embodiment; the first chute 17 and the second chute 18 are in the same horizontal plane, and further, the cutting of the patient's body components is achieved by the movement of the cutting blade 16 along the inside of the first chute 17 and the second chute 18.

The working process of the utility model is as follows:

the stapling assembly of the surgical instrument is characterized in that firstly, a stapling 13 assembly is fixed in the stapling seat 1, an insertion end 4 is inserted into the body tissue of a patient, the stapling seat 3 is controlled to rotate by controlling an operation assembly, the stapling seat 1 is attached to the stapling seat 3, the insertion end 4 is provided with an inclination, the stapling seat 1 is conveniently inserted into the body tissue of the patient, the insertion end 4 is attached to an auxiliary block 5, a fixed block 6 at the bottom of the auxiliary block 5 is inserted into a first groove 7, meanwhile, a limiting block 9 is extruded to move into the fixed block 6, a spring 8 is compressed, the limiting block 9 is inserted into a second groove 10 after the spring 8 is moved to a designated position, namely, the insertion end 4 and the auxiliary block 5 are fixed, the stapling 13 is inserted into a stapling cavity 14, namely, the body assembly of the patient can be stapled by controlling a knife rest 15 to move, a cutting blade 16 is moved along the inner part of a first sliding groove 17 and a second sliding groove 18, the body assembly of the patient is cut, and meanwhile, after the body assembly of the patient is stapled, an electric push rod 12 is controlled by controlling the operation assembly to push rod 12 to push the electric push the limiting block 9 to move towards the inner part of the body assembly, namely, the limiting block 9 is separated from the body tissue of the patient, namely, the body assembly is detached from the body tissue of the patient, and the body of the patient is cut by the body assembly, and the body assembly is detached from the body seat 1.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. A cartridge assembly for a surgical instrument, comprising a cartridge holder (1), characterized in that: the automatic binding machine is characterized in that a binding mechanism (2) of a binding bin assembly is arranged in the binding bin seat (1), and the binding mechanism (2) comprises a nail supporting seat (3), an inserting end (4), an auxiliary block (5), a fixing block (6), a first groove (7), a spring (8), a limiting block (9), a second groove (10), a baffle (11) and an electric push rod (12);

the utility model discloses a nail bin, including nail bin seat, fixed block (11), baffle, electric putter (12) are installed in the inside embedding of inserting end (4), nail bin seat (1) is installed in the top embedding of nail bin seat (1), one side fixed mounting of nail bin seat (1) has insertion end (4), one side fixed mounting of nail bin seat (3) has auxiliary block (5), bottom fixed mounting of auxiliary block (5) has fixed block (6), first recess (7) are installed in the inside one side embedding of insertion end (4), spring (8) are installed in one side embedding of fixed block (6), stopper (9) are installed in one side fixed mounting of spring (8), second recess (10) are installed in the inside one side embedding of first recess (7), baffle (11) are installed in the inside embedding of second recess (10).

2. The staple cartridge assembly for a surgical instrument of claim 1, wherein: the inside of the bin seat (1) is embedded and provided with a stitching nail (13), and the inside of the bin seat (3) can be abutted at any time to be embedded and provided with a stitching cavity (14).

3. The staple cartridge assembly for a surgical instrument of claim 1, wherein: the inside embedding of support nail seat (3) is installed first spout (17), the top nest of first spout (17) is installed knife rest (15), cutting blade (16) are installed to the bottom nest of knife rest (15), second spout (18) are installed to the inside embedding of order storehouse seat (1).

4. The staple cartridge assembly for a surgical instrument of claim 1, wherein: the top of the nail propping seat (3) is provided with a graduated scale (19).

5. The staple cartridge assembly for a surgical instrument of claim 2, wherein: the stitching nails (13) are provided with a plurality of stitching nails which are evenly distributed at the top of the stapling bin seat (1) and meshed with the nail abutting seat (3).

6. The staple cartridge assembly for a surgical instrument of claim 1, wherein: the insertion end (4) is engaged with the auxiliary block (5).

7. The staple cartridge assembly for a surgical instrument of claim 1, wherein: the fixed block (6) is meshed with the inner part of the first groove (7).

8. A staple cartridge assembly for a surgical instrument according to claim 3, wherein: the first sliding groove (17) and the second sliding groove (18) are in the same horizontal plane.