CN214109376U

CN214109376U - Processing and positioning device for medical instrument

Info

Publication number: CN214109376U
Application number: CN202022960075.8U
Authority: CN
Inventors: 钱兵; 程波; 李建民; 朱长双; 田立果; 张盛烽; 史经校
Original assignee: Jiangsu Kesen Medical Devices Co ltd
Current assignee: Jiangsu Kesen Medical Devices Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-09-03
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a processing positioner for medical instrument, nail casket arm includes two curb plates of parallel symmetry setting and connects the roof between the up end of two curb plates, positioner includes the base plate and sets up in the supporting seat of base plate upper surface, between two curb plates of supporting seat embedding nail casket arm to with nail casket arm roof lower surface contact, a round pin groove spare welded connection on the roof of nail casket arm, the lower extreme of movable block has a cross section and is isosceles trapezoid's bar track portion, open on the base plate have with bar track portion complex bar guide way, the equal perpendicular to supporting seat setting of two bar guide ways. The top surface of the elastic supporting block is a concave arc surface which can be matched with the pin shaft. The utility model discloses a processing positioner for medical instrument both avoided the round pin groove spare to receive the too big and impaired effort of pressure head, can also avoid the round pin groove spare atress in the twinkling of an eye and take place the skew, further guarantee to sell welded precision between groove spare and the nail casket arm.

Description

Processing and positioning device for medical instrument

Technical Field

The utility model relates to a processing positioner for medical instrument belongs to medical instrument processing technical field.

Background

The cutting and suturing instrument is a medical instrument widely used in surgical operations, has two functions of suturing and cutting, and can cut off redundant tissues while suturing wounds. The instrument is simple and convenient to operate, has a good operation effect, and can greatly reduce the pain of the operation patient, so that the instrument obtains the consistent first promise of vast surgeons.

In surgical operation, the medical endoscopic cutting anastomat becomes an essential auxiliary medical instrument in the process of suturing human tissues. With the development of medicine and product research and development, more and more multifunctional staple products are applied to clinic, and the application range of the multifunctional staple products relates to various fields of gastrointestinal surgery, hepatobiliary surgery, thoracic surgery, urology surgery, gynecology and the like, and becomes one of the essential tools for doctors. The application of the endoscopic cutting anastomat has the advantages of less bleeding in the operation, shorter operation time, capability of reducing manual operation errors, infection avoidance, quick postoperative function recovery and the like.

Disclosure of Invention

The utility model aims at providing a processing positioner for medical instrument, this a processing positioner for medical instrument both avoided the round pin groove spare to receive the effort of pressure head too big and impaired, can also avoid the round pin groove spare atress in the twinkling of an eye and take place the skew, further guarantee round pin groove spare and nail casket arm between welded precision.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a processing positioning device for a medical instrument comprises a nail box arm and a positioning device, wherein the nail box arm of the medical instrument comprises two side plates which are symmetrically arranged in parallel and a top plate connected between the upper end surfaces of the two side plates;

two movable blocks are respectively arranged on two sides of the supporting seat, the two movable blocks are oppositely arranged, and the movable blocks are close to the inner end face of the supporting seat and are used for being in contact with the side plate face of the nail box arm arranged on the supporting seat;

a groove for embedding a pin shaft is formed in the top surface of each of the two movable blocks, which is close to one end of the support seat, the middle part of the pin shaft is embedded into the arc-shaped part of the pin groove piece, and the two ends of the pin shaft are respectively embedded into the grooves in the movable blocks, so that the pin groove piece is placed on the nail box arm top plate between the two movable blocks;

a movable plate with a pressure head at the lower end is arranged above the pin-slot part and can move along the up-down direction, and when the movable plate moves downwards, the pressure head is in pressing contact with the plane part of the pin-slot part;

the lower end of the movable block is provided with a strip-shaped track part with an isosceles trapezoid cross section, the base plate is provided with strip-shaped guide grooves matched with the strip-shaped track part, the two strip-shaped guide grooves are both arranged perpendicular to the supporting seat, and the strip-shaped track part of the movable block is embedded into the strip-shaped guide grooves and can slide along the direction perpendicular to the supporting seat;

an elastic piece is connected between the end face of one end, away from the supporting seat, of the movable block and a driving block, the lower portion, away from the elastic piece, of the driving block is connected with a bidirectional cylinder, a right-angle hook body is fixed to the upper portion of the driving block, a groove body portion, into which the right-angle hook body is embedded, is formed in the movable block, the hook body portion of the right-angle hook body is embedded into the groove body portion of the movable block and can move in the groove body portion in a direction perpendicular to the supporting seat, and one end, opposite to the hook body portion, of the right-angle hook body is connected with the driving block;

one end of the movable block, which is close to the supporting seat, is provided with a mounting groove which is arranged along the vertical direction, an elastic supporting block which can move along the vertical direction is embedded in the mounting groove, and the top surface of the elastic supporting block is a concave arc surface which can be matched with the pin shaft.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, a third spring is connected between the bottom surface of the elastic supporting block and the mounting groove.

In the above scheme, the elastic supporting block and the movable block are connected in a matching way through a strip-shaped through hole arranged on the elastic supporting block and a supporting shaft penetrating through the strip-shaped through hole, and two ends of the supporting shaft are respectively embedded into the movable block.

3. In the above scheme, the elastic member is a spring.

4. In the above scheme, the strip-shaped guide groove is arranged on the reinforcing plate embedded and fixed on the substrate.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model is used for the processing and positioning device of medical apparatus, which realizes the clamping of the nail box arm and the pin groove piece, and simultaneously realizes the accurate positioning of the pin groove piece with smaller size at the special position of the nail box arm, thereby ensuring the welding precision between the nail box arm and the pin groove piece while facilitating the welding; in addition, the lower end of the movable block is provided with a strip-shaped rail part with an isosceles trapezoid cross section, the base plate is provided with strip-shaped guide grooves matched with the strip-shaped rail part, the two strip-shaped guide grooves are arranged perpendicular to the supporting seat, the strip-shaped rail part of the movable block is embedded into the strip-shaped guide grooves and can slide along the direction perpendicular to the supporting seat, and through the matching arrangement of the dovetail groove and the rail, the moving straightness of the movable block is improved, the movable block is guaranteed to vertically apply force to the side plate of the nail box arm, and welding position deviation caused by inclination of the nail box arm is avoided; further, be connected with an elastic component between the terminal surface that the supporting seat was kept away from to its movable block and a drive disk, the lower part that the elastic component was kept away from to the drive disk is connected with a duplex cylinder, the upper portion of drive disk is fixed with a right angle coupler body, it has a confession to open on the movable block the cell body portion of right angle coupler body embedding, the coupler body portion embedding groove body portion of right angle coupler body to can remove along the direction of perpendicular to supporting seat in groove body portion, the right angle coupler body is connected with the drive disk back to the one end of coupler body portion, through the setting of elastic component cooperation right angle coupler body, groove body portion structure, can effectively avoid on conducting the movable block with the position skew error in the cylinder installation to further guarantee the straightness application of force of straightness that hangs down of movable block to nail casket arm, with preventing the skew of nail casket arm, improve welded position precision.

2. The utility model discloses a processing positioner for medical instrument, the one end that its movable block is close to the supporting seat has a mounting groove of seting up along vertical direction, and the embedding has one to follow the elastic support piece of vertical direction motion in this mounting groove, the top surface of elastic support piece be can with the concave arcwall face of round pin axle complex, provide elastic support for the round pin axle of installing the round pin groove spare through the concave arcwall face on the elastic support piece, both avoided the effort that the round pin groove spare received the pressure head too big and impaired, can also avoid the round pin groove spare atress in the twinkling of an eye and take place the skew, further guarantee welded precision between round pin groove spare and the nail casket arm.

Drawings

FIG. 1 is a schematic structural diagram of a processing positioning device for medical instruments according to the present invention;

FIG. 2 is a schematic partial structural view of a first processing positioning device for medical instruments according to the present invention;

FIG. 3 is a schematic view of a second partial structure of the processing positioning device for medical instruments according to the present invention;

FIG. 4 is a schematic view of a part of a positioning device for medical instruments according to the present invention

FIG. 5 is a partial sectional view of the positioning device for medical instruments according to the present invention.

In the above drawings: 1. a side plate; 2. a top plate; 3. a pin and slot member; 301. an arc-shaped portion; 302. a planar portion; 4. a substrate; 5. a supporting seat; 6. a movable block; 7. a pin shaft; 8. a groove; 9. a pressure head; 10. a movable plate; 11. a bidirectional cylinder; 12. a cylinder frame; 13. a cylinder; 14. a strip-shaped track portion; 15. a strip-shaped guide groove; 16. a drive block; 17. an elastic member; 18. a right-angled hook body; 19. a trough portion; 30. mounting grooves; 31. an elastic support block; 32. a third spring; 33. a strip-shaped through hole; 34. and supporting the shaft.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a processing positioning device for a medical instrument comprises two side plates 1 which are symmetrically arranged in parallel and a top plate 2 connected between the upper end faces of the two side plates 1, the positioning device comprises a base plate 4 and a supporting seat 5 arranged on the upper surface of the base plate 4, the supporting seat 5 is embedded between the two side plates 1 of the nail box arm and is contacted with the lower surface of the top plate 2 of the nail box arm, a pin groove piece 3 is welded and connected on the top plate 2 of the nail box arm so as to form a pin groove, and the pin groove piece 3 comprises an arc-shaped part 301 and a plane part 302, wherein the arc-shaped part 301 is used for enclosing the pin groove with the top plate 2 of the nail box arm, and the plane part 302 is contacted with the top plate 2 of the nail box arm;

two sides of the supporting seat 5 are respectively provided with a movable block 6, the two movable blocks 6 are oppositely arranged, and the movable blocks 6 are close to the inner end surface of the supporting seat 5 and are used for being in surface contact with the nail box arm side plate 1 arranged on the supporting seat 5;

a groove 8 for embedding a pin shaft 7 is formed in the top surface of each of the two movable blocks 6 close to one end of the support seat 5, the middle part of the pin shaft 7 is embedded into the arc-shaped part 301 of the pin groove part 3, and the two ends of the pin shaft 7 are respectively embedded into the grooves 8 on the movable blocks 6, so that the pin groove part 3 is placed on the nail box arm top plate 2 between the two movable blocks 6;

a movable plate 10 having a pressing head 9 at a lower end thereof is disposed above the pin slot member 3 and is movable in an up-and-down direction, and when the movable plate 10 moves down, the pressing head 9 is in pressing contact with the flat portion 302 of the pin slot member 3;

the lower end of the movable block 6 is provided with a strip-shaped track part 14 with an isosceles trapezoid cross section, the base plate 4 is provided with strip-shaped guide grooves 15 matched with the strip-shaped track part 14, the two strip-shaped guide grooves 15 are both arranged perpendicular to the supporting seat 5, and the strip-shaped track part 14 of the movable block 6 is embedded into the strip-shaped guide grooves 15 and can slide along the direction perpendicular to the supporting seat 5;

an elastic piece 17 is connected between the end face of one end of the movable block 6, which is far away from the supporting seat 5, and a driving block 16, the lower part of the driving block 16, which is far away from the elastic piece 17, is connected with a bidirectional cylinder 11, a right-angled hook 18 is fixed on the upper part of the driving block 16, a groove body part 19, into which the right-angled hook 18 is embedded, is formed on the movable block 6, the hook body part of the right-angled hook 18 is embedded into the groove body part 19 of the movable block 6 and can move in the groove body part 19 along the direction perpendicular to the supporting seat 5, and one end, which is opposite to the hook body part, of the right-angled hook 18 is connected with the driving block 16;

one end of the movable block 6 close to the supporting seat 5 is provided with an installation groove 30 which is arranged along the vertical direction, an elastic supporting block 31 which can move along the vertical direction is embedded in the installation groove 30, and the top surface of the elastic supporting block 31 is a concave arc surface which can be matched with the pin shaft 7.

A third spring 32 is connected between the bottom surface of the elastic supporting block 31 and the mounting groove 30; a bidirectional cylinder 11 is mounted on the lower surface of the base plate 4, and piston rods of the bidirectional cylinder 11 are respectively connected with the two movable blocks 6 and used for driving the movable blocks 6 to reciprocate in a direction vertical to the supporting seat 5; the elastic member 17 is a spring; the strip guide groove 15 is formed in a reinforcing plate fitted and fixed to the base plate 4.

Example 2: a processing positioning device for a medical instrument comprises two side plates 1 which are symmetrically arranged in parallel and a top plate 2 connected between the upper end faces of the two side plates 1, the positioning device comprises a base plate 4 and a supporting seat 5 arranged on the upper surface of the base plate 4, the supporting seat 5 is embedded between the two side plates 1 of the nail box arm and is contacted with the lower surface of the top plate 2 of the nail box arm, a pin groove piece 3 is welded and connected on the top plate 2 of the nail box arm so as to form a pin groove, and the pin groove piece 3 comprises an arc-shaped part 301 and a plane part 302, wherein the arc-shaped part 301 is used for enclosing the pin groove with the top plate 2 of the nail box arm, and the plane part 302 is contacted with the top plate 2 of the nail box;

The elastic supporting block 31 and the movable block 6 are connected in a matching way through a strip-shaped through hole 33 arranged on the elastic supporting block 31 and a supporting shaft 34 penetrating through the strip-shaped through hole 33, and two ends of the supporting shaft 34 are respectively embedded into the movable block 6; a cylinder frame 12 is installed on the side surface of the base plate 4, and a cylinder 13 installed on the cylinder frame 12 is connected with the movable plate 10 for driving the movable plate 10 to move up and down; the base plate 4 is mounted on a four-axis drive mechanism.

The working principle is as follows: during the use, install nail casket arm on the supporting seat earlier, two movable blocks of redriving press from both sides tight fixedly to nail casket arm, at this moment, put into the round pin axle that the mid-mounting has the round pin groove spare in the recess on two movable blocks for the round pin groove spare is located nail casket arm roof, and the fly leaf downstream of redriving makes the pressure head compress tightly the plane portion of round pin groove spare, thereby realizes the clamping to nail casket arm and round pin groove spare, further welds the two through laser welding equipment again.

When the processing and positioning device for the medical instrument is adopted, the clamping of the nail box arm and the pin groove piece is realized, meanwhile, the pin groove piece with smaller size is accurately positioned at the special position of the nail box arm, the welding is convenient, and meanwhile, the welding precision between the nail box arm and the pin groove piece is ensured; in addition, the dovetail grooves and the rails are matched, so that the moving straightness of the movable block is improved, the movable block is guaranteed to vertically apply force to the side plate of the nail box arm, and the welding position deviation caused by the inclination of the nail box arm is avoided; furthermore, through the arrangement of the elastic piece matched with the right-angle hook body and the groove body structure, the position offset error in the installation process of the air cylinder can be effectively prevented from being transmitted to the movable block, the verticality of the movable block for applying force to the nail box arm is further ensured, the nail box arm is prevented from being offset, and the welding position precision is improved; in addition, the elastic support is provided for the pin shaft provided with the pin groove part through the concave arc-shaped surface on the elastic support block, so that the damage of the pin groove part due to overlarge acting force of a pressure head is avoided, the deviation of the pin groove part due to instant stress can be avoided, and the welding precision between the pin groove part and the nail box arm is further ensured.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a processing positioner for medical instrument, medical instrument's nail casket arm includes two curb plates (1) that parallel symmetry set up and connects roof (2) between the up end of two curb plates (1), positioner includes base plate (4) and sets up in supporting seat (5) of base plate (4) upper surface, between two curb plates (1) of supporting seat (5) embedding nail casket arm to with nail casket arm roof (2) lower surface contact, its characterized in that: a pin slot part (3) is welded and connected on the top plate (2) of the nail box arm, so as to form the pin slot, and the pin slot part (3) comprises an arc-shaped part (301) used for enclosing the pin slot with the nail box arm top plate (2) and a plane part (302) in surface contact with the nail box arm top plate (2);

two sides of the supporting seat (5) are respectively provided with a movable block (6), the two movable blocks (6) are arranged oppositely, and the inner end surface, close to the supporting seat (5), of each movable block (6) is used for being in surface contact with a nail box arm side plate (1) arranged on the supporting seat (5);

a groove (8) for embedding a pin shaft (7) is formed in the top surface of one end, close to the supporting seat (5), of each of the two movable blocks (6), the middle of the pin shaft (7) is embedded into the arc-shaped part (301) of the pin groove piece (3), the two ends of the pin shaft (7) are respectively embedded into the grooves (8) in the movable blocks (6), and therefore the pin groove piece (3) is placed on the nail box arm top plate (2) between the two movable blocks (6);

a movable plate (10) with a pressure head (9) at the lower end is arranged above the pin-slot part (3) and can move along the up-down direction, and when the movable plate (10) moves downwards, the pressure head (9) is in extrusion contact with the plane part (302) of the pin-slot part (3);

the lower end of the movable block (6) is provided with a strip-shaped rail part (14) with an isosceles trapezoid cross section, the base plate (4) is provided with strip-shaped guide grooves (15) matched with the strip-shaped rail part (14), the two strip-shaped guide grooves (15) are arranged perpendicular to the supporting seat (5), and the strip-shaped rail part (14) of the movable block (6) is embedded into the strip-shaped guide grooves (15) and can slide along the direction perpendicular to the supporting seat (5);

an elastic piece (17) is connected between the end face of one end, far away from the supporting seat (5), of the movable block (6) and a driving block (16), the lower portion, far away from the elastic piece (17), of the driving block (16) is connected with a bidirectional cylinder (11), a right-angle hook body (18) is fixed to the upper portion of the driving block (16), a groove body portion (19) for the right-angle hook body (18) to be embedded into is formed in the movable block (6), the hook body portion of the right-angle hook body (18) is embedded into the groove body portion (19) of the movable block (6) and can move in the groove body portion (19) along the direction perpendicular to the supporting seat (5), and one end, back to the hook body portion, of the right-angle hook body (18) is connected with the driving block (16);

one end of the movable block (6) close to the supporting seat (5) is provided with a mounting groove (30) which is arranged along the vertical direction, an elastic supporting block (31) which can move along the vertical direction is embedded in the mounting groove (30), and the top surface of the elastic supporting block (31) is a concave arc-shaped surface which can be matched with the pin shaft (7).

2. The processing positioning device for medical instruments according to claim 1, characterized in that: and a third spring (32) is connected between the bottom surface of the elastic supporting block (31) and the mounting groove (30).

3. The processing positioning device for medical instruments according to claim 1, characterized in that: the elastic supporting block (31) and the movable block (6) are connected with a supporting shaft (34) penetrating through a strip-shaped through hole (33) formed in the elastic supporting block (31) in a matched mode, and two ends of the supporting shaft (34) are embedded into the movable block (6) respectively.

4. The processing positioning device for medical instruments according to claim 1, characterized in that: the elastic piece (17) is a spring.

5. The processing positioning device for medical instruments according to claim 1, characterized in that: the strip-shaped guide groove (15) is arranged on a reinforcing plate embedded and fixed on the substrate (4).