Damage-free sponge forceps and using method

Abstract

The invention relates to the technical field of medical sponge forceps, in particular to a pair of non-destructive sponge forceps and a using method.The pair of non-destructive sponge forceps comprises a forceps body I and a forceps body II which are rotationally connected in a crossed mode, the ends of the forceps body I and the forceps body II are each provided with a forceps head, and the two forceps heads are each internally provided with a containing cavity used for installing a sponge body; a torsion structure and a locking structure are arranged at the end, different from the end where the tong head is installed, of the tong body I. The torsion structure can be in transmission connection with the locking structure to lock the tong body I and the tong body II when clamping force is larger than torsion limit in the torsion structure in the process that the tong body I and the tong body II are close to each other for clamping operation. Therefore, the problems that when insection-free sponge forceps are used for clamping visceral organs of a patient at present, the clamping and fixing force of the sponge forceps usually depends on experience judgment of medical staff, accurate quantitative control cannot be achieved, and clamping injuries can be possibly caused to the patient are solved.

Description

Technical Field

[0001] The invention relates to the technical field of medical sponge forceps, in particular to a non-destructive sponge forceps and a use method thereof. Background Art

[0002] Medical sponge forceps, also known as holding forceps or oval forceps, are an instrument widely used in medical surgery. They are mainly used to clamp and transfer sterilized instruments, such as sutures, needles, dressings, drainage tubes, etc., as well as to clamp human body cavity tissues. According to the different uses corresponding to the teeth of the forceps, they are mainly divided into toothed sponge forceps and non-toothed sponge forceps. The toothed sponge forceps are mainly used to clamp and transfer delicate medical items, such as needles, dressings, etc., while the non-toothed sponge forceps are mainly used to clamp internal organs to assist doctors in better exposing the surgical field during surgery.

[0003] Currently, when using non-toothed sponge forceps to clamp patient organs, medical staff often hold one end of the non-toothed sponge forceps and align the other end to the position where it needs to be clamped. During the clamping process, the clamping force of the sponge forceps often depends on the medical staff's judgment based on experience, and precise quantitative control cannot be achieved, which may cause clamping injuries to the patient. Summary of the invention

[0004] The purpose of the present invention is to provide a non-destructive sponge forceps and a method of use, which is used to solve the problem that when using toothless sponge forceps to clamp patient organs, the clamping and fixing force of the sponge forceps often depends on the judgment of medical staff based on experience, and accurate quantitative control cannot be achieved, which may cause clamping injuries to patients.

[0005] To achieve the above-mentioned purpose, the present invention provides a non-destructive sponge pliers, comprising a pliers body I and a pliers body II which are cross-rotatably connected to each other, the ends of the pliers body I and the pliers body II are both equipped with pliers heads, and the two groups of pliers heads are both provided with a cavity for installing the sponge body, the end of the pliers body I which is different from the end where the pliers head is installed is provided with a torsion structure and a locking structure, and the torsion structure and the tail end of the pliers body II are both provided with a group of finger buckles;

[0006] Wherein, the torsion structure comprises a connecting plate, a sleeve and a ratchet assembly, one end of the connecting plate is rotatably connected to the tail end of the caliper body I through the ratchet assembly, the other end of the connecting plate is inserted into the sleeve, the center of the connecting plate is rotatably connected to the positioning shaft arranged in the sleeve, and the end side of the connecting plate away from the tail end of the caliper body I is transmission-connected to the torsion assembly in the sleeve;

[0007] The locking structure includes a lock, a locking tooth plate and a transmission plate. The lock is rotatably installed at the tail end of the caliper body I. The locking tooth plate is arc-shaped, and one end of the locking tooth plate is fixedly installed on the caliper body II. One side of the locking tooth plate is provided with a rack for the locking end of the lock to be inserted into. The lock is elastically connected to the tail end of the caliper body I through a No. 1 elastic member, and the No. 1 elastic member is used to provide support force for the lock to rotate and clamp the locking tooth plate. The transmission plate is slidably installed at the tail end of the caliper body I, which is Z-shaped. The protruding plate at one end of the transmission plate can be transmission-connected to one end of the sleeve, and the other end can be limited and tightly attached to the movable tail end of the lock. The movable tail end of the lock is transmission-connected to one end of the transmission plate through a telescopic connecting rod and the sleeve. A limiting column is provided on the side of the tail end of the caliper body I close to the tail end of the caliper body II. The limiting column is used to limit the rotation angle of one side of the tube.

[0008] As a further solution of the present invention, the pliers head is detachably connected to the ends of the pliers body I and the pliers body II.

[0009] As a further solution of the present invention, the tail end of the pliers body I is provided with a mounting cavity for rotatably mounting the connecting plate, and a sealing gasket is fixedly mounted on the inner wall of the mounting cavity and the sliding contact side of the end of the connecting plate.

[0010] As a further solution of the present invention, the ratchet assembly includes an incomplete ratchet, two sets of ratchet blocks and an adjustment cam;

[0011] Wherein, the incomplete ratchet is fixedly mounted on the end of the connecting plate and placed in the mounting cavity at the rear end of the pliers body I, with its tooth surface side facing the pliers body I;

[0012] The two groups of ratchet blocks are rotatably mounted on both sides of the mounting cavity, and the two groups of ratchet blocks are elastically connected to both sides of the mounting cavity through corresponding No. 2 elastic members, and the No. 2 elastic members are used to support the ratchet blocks to move close to the incomplete ratchet;

[0013] The adjusting cam is rotatably installed in the mounting cavity and is located between the two groups of ratchet blocks. The adjusting cam rotates to switch the corresponding ratchet block and the tooth surface of the incomplete ratchet to be clamped. One end of the mounting shaft on the adjusting cam extends out of the mounting cavity, and an adjusting block is fixed to the protruding end of the mounting shaft.

[0014] As a further solution of the present invention, the telescopic connecting rod includes a sliding rod and a limiting tube, and the limiting tube is provided with a limiting cavity for sliding connection of the end of the sliding rod. The sliding rod and the limiting tube are hinged to the movable tail end of the lock and the end of the pipe sleeve respectively at their distal ends.

[0015] As a further solution of the present invention, a transmission wheel for contacting the corresponding transmission plate and the limiting column is rotatably mounted on the end of the pipe sleeve.

[0016] As a further solution of the present invention, the torsion assembly includes a torsion slider, a pressure block, a third elastic member, a driving slider and a driving screw;

[0017] Wherein, the torsion slider is slidably installed in the sleeve;

[0018] The pressure block is rectangular and is placed between the torsion slider and the connecting plate. The torsion slider and the connecting plate are both provided with a trapezoidal groove for placing the pressure block on their adjacent sides.

[0019] The driving slider is slidably mounted in the sleeve and is located on the side of the torsion slider away from the contact pressure block. The driving slider is elastically connected to the torsion slider through multiple groups of No. 3 elastic members.

[0020] The driving screw is threadedly rotatably mounted on the other end of the sleeve, and one end thereof is rotatably connected to the corresponding end side of the driving slider. The driving screw rotates to drive the driving slider to slide linearly.

[0021] As a further solution of the present invention, an observation tube is fixed to the tail end of the sleeve, a connecting hole for the driving screw to penetrate is provided in the observation tube, and a plurality of marking rings are provided at the tail end of the driving screw.

[0022] As a further solution of the present invention, a sealing plate is fixed on the plate body of the connecting plate extending out of the sleeve, and a sealing ring is fixed on the sealing plate near the opening end of the sleeve.

[0023] At the same time, the present invention also provides a method for using the non-destructive sponge forceps, which is applicable to the above-mentioned non-destructive sponge forceps, and the method comprises the following steps:

[0024] When the clamping operation is performed, the torque between the sleeve and the connecting plate is adjusted through the torque component in the sleeve, and the ratchet component is adjusted synchronously, so that when the force is applied to drive the sleeve to move close to the pliers body II, the sleeve drives the connecting plate and the pliers body I to synchronously approach the pliers body II, so that the two sets of pliers heads at the ends of the pliers body I and the pliers body II are clamped, and during the clamping process, the card lock in the locking structure is supported by the No. 1 elastic member and clamped with the rack on the locking tooth plate in turn. When the clamping force is greater than the torque limit in the torque component, the sleeve deflects around the positioning axis in the direction close to the pliers body II, and the end of the sleeve contacts the protruding plate at one end of the transmission plate and pushes the transmission plate to slide. The protruding plate at the other end of the transmission plate contacts the movable tail end of the card lock, and the card lock is locked. At this time, the locking structure locks the pliers body I and the pliers body II;

[0025] When the loosening operation is performed, force is applied to drive the sleeve to move away from the pliers body II. At this time, the ratchet assembly does not limit the rotation direction of the connecting plate and the sleeve. When the sleeve rotates, the telescopic connecting rod drives the lock to rotate, so that the lock is disengaged from the rack on the locking tooth plate. At this time, the locking structure is in an unlocked state, and the pliers body I can move with the sleeve in the direction away from the pliers body II, so as to achieve the disengagement of the pliers head from clamping.

[0026] Compared with the prior art, the advantages of the present invention are:

[0027] 1. When clamping the patient's organs, the medical staff fastens the two sets of finger buckles to move the sleeve towards the clamp body II. When the clamp body I and the clamp body II are close to each other for clamping, when the clamping force is greater than the torque limit in the torque structure, the torque structure drives the connection locking structure to lock the clamp body I and the clamp body II, reminding the medical staff that the clamping force has been reached and preventing the staff from further clamping and causing damage to the patient's organs;

[0028] 2. After the clamping is completed, the medical staff can apply force to tighten the two groups of finger buckles and open them, so that the sleeve moves away from the clamp body II. At this time, the sleeve rotates and cooperates with the telescopic connecting rod to drive the lock to rotate, so that the lock is disengaged from the rack on the locking tooth plate. At this time, the locking structure is in an unlocked state, and the clamping of the two groups of clamp heads can be released. Therefore, the locking structure in the present invention can achieve its function while maintaining the medical staff's thinking inertia of using existing sponge forceps when contact locking, reducing the difficulty of medical staff's actual adaptation. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 The present invention is a structural schematic diagram of a non-destructive sponge forceps and a method of using the same.

[0030] Figure 2 It is an enlarged schematic diagram of point A in 1 of the present invention.

[0031] Figure 3 For the present invention Figure 1 A schematic cross-sectional view of a portion of the ratchet assembly.

[0032] Figure 4 It is a schematic structural diagram of the telescopic connecting rod in the present invention.

[0033] Figure 5 It is a schematic diagram of the structure of the pliers head in the disassembled state in the present invention.

[0034] Figure 6 It is a cross-sectional schematic diagram of the torsion assembly in the present invention.

[0035] Figure 7 For the present invention Figure 6 A magnified schematic diagram of point B in the middle.

[0036] In the attached drawings: 1. pliers body I; 2. pliers body II; 3. pliers head; 4. locking structure; 401. locking tooth plate; 4011. tooth surface; 402. auxiliary positioning block; 403. fixing protrusion; 404. latch; 405. No. 1 support spring; 406. telescopic connecting rod; 4061. sliding rod; 4062. limiting tube; 407. transmission plate; 408. limiting column; 5. torque structure; 501. sleeve; 5011. transmission wheel; 502 , connecting plate; 5021, positioning shaft; 503, torque assembly; 5031, torque slider; 5032, pressure block; 5033, No. 3 support spring; 5034, driving slider; 5035, driving screw; 5036, observation tube; 504, adjustment block; 505, sealing plate; 506, sealing ring; 507, incomplete ratchet; 508, ratchet block; 509, No. 2 support spring; 510, adjustment cam; 6, finger buckle. DETAILED DESCRIPTION

[0037] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0038] like Figure 1 , Figure 5 and Figure 6 As shown, in an embodiment of the present invention, a non-destructive sponge pliers comprises a pliers body Ⅰ1 and a pliers body Ⅱ2 which are cross-rotatably connected to each other, the ends of the pliers body Ⅰ1 and the pliers body Ⅱ2 are both installed with pliers heads 3, and the two groups of pliers heads 3 are both provided with a cavity for installing a sponge body, and the end of the pliers body Ⅰ1 different from the end where the pliers head 3 is installed is provided with a torsion structure 5 and a locking structure 4, and the torsion structure 5 and the tail end of the pliers body Ⅱ2 are both provided with a group of finger buckles 6;

[0039] Among them, Figure 2 , Figure 6 and Figure 7 As shown, the torsion structure 5 includes a connecting plate 502, a sleeve 501 and a ratchet assembly. One end of the connecting plate 502 is rotatably connected to the tail end of the caliper body Ⅰ1 through the ratchet assembly, and the other end of the connecting plate 502 is inserted into the sleeve 501. The center of the connecting plate 502 is rotatably connected to a positioning shaft 5021 provided in the sleeve 501, and the end side of the connecting plate 502 away from the tail end of the caliper body Ⅰ1 is transmission-connected to the torsion assembly 503 in the sleeve 501.

[0040] like Figure 2 and Figure 5As shown, the locking structure 4 includes a latch 404, a locking tooth plate 401 and a transmission plate 407. The latch 404 is rotatably mounted on the tail end of the caliper body Ⅰ1. The locking tooth plate 401 is arc-shaped, and one end thereof is fixedly mounted on the caliper body Ⅱ2. A rack is provided on one side of the locking tooth plate 401 for the locking end of the latch 404 to be inserted into. The latch 404 is elastically connected to the tail end of the caliper body Ⅰ1 through a No. 1 elastic member, and the No. 1 elastic member is used to provide a supporting force for the latch 404 to rotate and clamp the locking tooth plate 401. The transmission plate 407 is slidably mounted on the tail end of the caliper body Ⅰ1, and is Z-shaped. The extended plate at one end of the transmission plate 407 can be transmission-connected with one end of the sleeve 501, and the other end can be tightly limited with the movable tail end of the latch 404. The movable tail end of the latch 404 is transmission-connected with the sleeve 501 through the telescopic connecting rod 406. One end of the transmission plate 407 is transmission-connected. A limiting column 408 is provided on one side of the tail end of the caliper body Ⅰ1 close to the tail end of the caliper body Ⅱ2. The limiting column 408 is used to limit the rotation angle of one side of the pipe.

[0041] The first elastic member is preferably a first support spring 405, and the two ends of the first support spring 405 are respectively fixedly connected to the fixing column on the latch 404 and the fixing column at the rear end of the caliper body Ⅰ1. When the latch 404 deflects in a direction away from the locking tooth plate 401, the first support spring 405 is in a compressed state, which provides elastic force for the latch 404 to return to its original position.

[0042] In the present invention, an auxiliary positioning block 402 is provided on the pliers body Ⅰ1, and the auxiliary positioning block 402 is slidably connected to the positioning groove on the rear side of the locking tooth plate 401. The sliding positioning of the auxiliary positioning block 402 improves the stability of the sponge pliers of the present invention during the clamping process. At the same time, the fixed protrusion 403 located on the rear side of the locking tooth plate 401 can abut against the auxiliary positioning block 402 to position the minimum clamping angle of the sponge pliers of the present invention.

[0043] like Figure 5 As shown, in the embodiment of the present invention, the clamp head 3 is detachably connected to the ends of the clamp body Ⅰ1 and the clamp body Ⅱ2. In the present invention, the clamp head 3 is preferably threadedly rotatably installed on the ends of the clamp body Ⅰ1 and the clamp body Ⅱ2. During actual operation, the clamp head 3 can be flexibly replaced with a circular frame-shaped clamp head or a rectangular frame-shaped clamp head according to the actual clamping requirements;

[0044] Of course, in actual design, the pliers head 3 may also be replaced with other structures with detachable connections, such as a screw fixing structure and the like.

[0045] like Figure 3 and Figure 6As shown, in an embodiment of the present invention, the tail end of the pliers body Ⅰ1 is provided with an installation cavity for rotatably installing the connecting plate 502, and a sealing gasket is fixedly installed on the inner wall of the installation cavity and the sliding contact side of the end of the connecting plate 502. In the present invention, when the connecting plate 502 in the torque assembly 503 is rotatably connected to the tail end of the pliers body Ⅰ1, the two groups of the sealing gaskets seal the gap between the connecting plate 502 and the tail end of the pliers body Ⅰ1, thereby preventing the patient's body fluids or liquids during operation from entering the placement cavity at the tail end of the pliers body Ⅰ1 when the sponge pliers are in use, causing contamination of the sponge pliers, thereby affecting the medical safety use of the sponge pliers.

[0046] Furthermore, the ratchet assembly includes an incomplete ratchet 507, two groups of ratchet blocks 508 and an adjusting cam 510, wherein the incomplete ratchet 507 is fixedly mounted at the end of the connecting plate 502 and placed in the mounting cavity at the rear end of the pliers body Ⅰ1, with its tooth surface 4011 side facing the pliers body Ⅰ1, and the two groups of ratchet blocks 508 are rotatably mounted on both sides of the mounting cavity, and the two groups of ratchet blocks 508 are elastically connected to both sides of the mounting cavity through corresponding No. 2 elastic members, and the No. 2 elastic members are used to support the ratchet blocks 508 to move close to the incomplete ratchet 507, and the adjusting cam 510. 0 is rotatably installed in the installation cavity and is located between the two groups of ratchet clamps. The adjusting cam 510 rotates to switch the corresponding ratchet clamp 508 and the tooth surface 4011 of the incomplete ratchet 507 to clamp. One end of the installation shaft on the adjusting cam 510 extends out of the installation cavity, and an adjusting block 504 is fixed to the extended end of the installation shaft, wherein the second elastic member is a second supporting spring 509. When the adjusting cam 510 rotates and squeezes the corresponding ratchet clamp 508 to separate from the tooth surface 4011 of the incomplete ratchet 507, the second supporting spring 509 corresponding to the ratchet clamp 508 is in a compressed state.

[0047] In summary, when the ratchet assembly is used for adjustment, the adjustment block 504 at the rear end of the pliers body Ⅰ1 can be rotated to drive the adjustment cam 510 in the installation cavity to rotate. Figure 3 As shown, when the clamping operation is performed, the adjusting cam 510 is rotated to the position shown in the figure, at which time the ratchet block 508 with the mounting cavity located at the lower side is pressed against the tooth surface 4011 side of the incomplete ratchet 507, and at this time, the sleeve 501 is driven by the connecting plate 502 to drive the pliers body Ⅰ1 to synchronously approach the pliers body Ⅱ2, and when the sleeve 501 in the ratchet assembly rotates away from the pliers body Ⅱ2, at this time, the end of the connecting plate 502 in the sleeve 501 is connected and rotated with the tail end of the pliers body Ⅰ1, and when the sleeve 501 is deflected by force, the connecting plate 502 is driven to rotate around the tail end of the pliers body Ⅰ1 to a certain angle;

[0048] At the same time, the present invention provides a limiting column 408 at the tail end of the clamp body Ⅰ1, so that when the sleeve is rotated to a preset angle, the end of the sleeve is limitedly abutted against the limiting column 408, so that when the sleeve is rotated to the maximum angle, locking is achieved;

[0049] like Figure 4 As shown, in the embodiment of the present invention, the telescopic connecting rod 406 includes a sliding rod 4061 and a limiting tube 4062, wherein the limiting tube 4062 is provided with a limiting cavity for slidingly connecting the end of the sliding rod 4061, and the distal ends of the sliding rod 4061 and the limiting tube 4062 are respectively hinged to the movable tail end of the lock 404 and the end of the tube sleeve;

[0050] Specifically, in the present invention, when the connecting plate 502 and the tail end of the pliers body Ⅰ1 are arranged in a linear extension direction, the length of the telescopic connecting rod 406 is its longest limit length. For example, the present invention adjusts the adjustment block 504 at the tail end of the pliers body Ⅰ1 so that Figure 3 The ratchet block 508 with the middle mounting cavity located at the lower side is pressed against the tooth surface 4011 side of the incomplete ratchet 507. When the sleeve 501 drives the pliers body I1 to rotate close to the pliers body II2 until its torsional deflection, the end of the sleeve 501 deflects and drives the Z-type transmission plate 407 to slide, and at this time the sliding rod 4061 in the telescopic link 406 slides and inserts into the limit tube 4062. Conversely, when the sleeve 501 rotates away from the pliers body II2, the end of the sleeve 501 is in the process of deflection, and its end pulls the lock 404 in the locking structure 4 through the telescopic link 406, driving the locking lock 404 to deflect accordingly, so that it is out of contact with the locking tooth plate 401.

[0051] like Figure 2 As shown, in an embodiment of the present invention, a transmission wheel 5011 is rotatably installed at the end of the sleeve for contacting the corresponding transmission plate 407 and the limiting column 408. When the sleeve 501 is deflected correspondingly to both sides due to the corresponding forces, the transmission plate 407 and the limiting column 408 limit the deflection angle of the sleeve 501 to avoid excessive deflection of the torque component 503 and affect the stability of the person's grip on the sponge pliers.

[0052] like Figure 6 and Figure 7As shown, in the embodiment of the present invention, the torsion assembly 503 includes a torsion slider 5031, a pressure block 5032, a third elastic member, a driving slider 5034 and a driving screw 5035, wherein the torsion slider 5031 is slidably installed in the sleeve 501, the pressure block 5032 is rectangular, and is placed between the torsion slider 5031 and the connecting plate 502, and the near side of the torsion slider 5031 and the connecting plate 502 are both provided with a trapezoidal groove for placing the pressure block 5032, The driving slider 5034 is slidably installed in the sleeve 501 and is located on the side of the torsion slider 5031 away from the contact pressure block 5032. The driving slider 5034 is elastically connected to the torsion slider 5031 through multiple sets of No. 3 elastic members. The driving screw 5035 is threadedly rotatably installed at the other end of the sleeve 501, and one end thereof is rotatably connected to the corresponding end side of the driving slider 5034. The driving screw 5035 rotates to drive the driving slider 5034 to slide linearly.

[0053] In the present invention, when the torsion assembly 503 realizes the torsion drive, it is necessary to rotate the driving screw 5035 according to the requirement of the clamping force, and the driving screw 5035 drives the driving slider 5034 to slide along the slideway in the sleeve 501, and the driving slider 5034 drives the corresponding multiple groups of No. 3 elastic members to deform during the sliding process, and the elastic force of the No. 3 elastic members supports the torsion slider 5031, so that the torsion slider 5031 squeezes the pressure block 5032 and presses it tightly on the connection At one end of the plate 502, when the holding sleeve 501 rotates toward the direction close to the pliers body II2 to drive the two groups of pliers to achieve clamping operation, the clamping force of the two groups of pliers heads 3 exceeds the driving pressure of the multiple groups of No. 3 elastic members on the torque slider 5031, at this time, the sleeve 501 deflects around the positioning shaft 5021 on the connecting plate 502, and the pressure block 5032 rotates and clamps in the trapezoidal groove on the side close to the torque slider 5031 and the connecting plate 502, wherein the No. 3 elastic member is preferably a No. 3 support spring 5033;

[0054] Furthermore, an observation tube 5036 is fixed to the tail end of the sleeve 501, and a connecting hole is provided in the observation tube 5036 for the driving screw 5035 to penetrate. The tail end of the driving screw 5035 is provided with multiple groups of marking circles, and the multiple groups of marking circles correspond to multiple groups of clamping force options. When the sponge forceps of the present invention clamp different patient organs, the driving screw 5035 can be rotated to the corresponding marking circle;

[0055] like Figure 1As shown, in the embodiment of the present invention, a sealing plate 505 is fixed on the plate body of the connecting plate 502 extending out of the sleeve 501, and a sealing ring 506 is fixed on the sealing plate 505 near the open end of the sleeve 501. When deflection occurs between the sleeve 501 in the torque assembly 503 and the connecting plate 502, the sealing ring 506 is used to seal the port of the sleeve 501 to prevent liquid from entering the sleeve 501, causing pollution and affecting the medical requirements of the sponge forceps.

[0056] At the same time, the present invention also provides a method for using the non-destructive sponge forceps, which is applicable to the above-mentioned non-destructive sponge forceps, and the method specifically comprises the following steps:

[0057] S1. When clamping, the position of the torque slider 5031 is adjusted by the driving screw 5035 at the tail end of the sleeve 501, so that the torque assembly 503 can adjust the torque between the sleeve 501 and the connecting plate 502;

[0058] S2, synchronously adjusting the ratchet assembly, so that when the sleeve 501 is driven to move close to the clamp body II2 by the force applied, the sleeve 501 drives the connecting plate 502 and the clamp body I1 to synchronously move close to the clamp body II2, so that the two groups of clamp heads 3 at the ends of the clamp bodies I1 and II2 are close to each other, thereby clamping the patient's organs;

[0059] S3. During the clamping process, the latch 404 in the locking structure 4 slides along the rack on the locking tooth plate 401 in sequence, and the No. 1 support spring 405 continues to move and retract continuously during the process of the pliers body I1 and the pliers body II2 approaching each other, and clamps with the rack on the locking tooth plate 401 in sequence;

[0060] S4. When the clamping force of the two groups of pliers breaks through the supporting force of the multiple groups of No. 3 supporting springs 5033 in the torque assembly 503 on the torque slider 5031, the sleeve 501 rotates around the positioning shaft 5021 on the connecting plate 502 and deflects toward the direction close to the pliers body II2. The transmission wheel 5011 at the end of the sleeve 501 contacts the protruding plate at one end of the transmission plate 407 and pushes the transmission plate 407 to slide, so that the protruding plate at the other end of the transmission plate 407 contacts the movable tail end of the latch 404, and the latch 404 is locked. At this time, the locking structure 4 locks the pliers body I1 and the pliers body II2. At this time, after finding that it is impossible to hold further, the personnel can complete the fixed clamping of the patient's organs.

[0061] S5. When the loosening operation is performed, the sleeve 501 is driven by the force applied by the personnel to move in the direction away from the clamp body II2. At this time, the ratchet assembly does not limit the rotation direction of the connecting plate 502 and the sleeve 501. When the sleeve 501 rotates, the telescopic connecting rod 406 drives the latch 404 to rotate, so that the latch 404 is disengaged from the rack on the locking tooth plate 401. At this time, the locking structure 4 is in an unlocked state and the No. 1 support spring 405 is in a compressed state. The clamp body I1 can move with the sleeve 501 in the direction away from the clamp body II2 to achieve the disengagement of the clamp head 3. In the disengagement process, the limit column 408 and the sleeve 501 at the rear end of the clamp body I1 are deflected to the maximum angle to achieve positioning, and the connecting plate 502 is locked by the ratchet assembly, so that it cannot rotate in the direction close to the clamp body II2.

[0062] S6. After the clamp head 3 is released from the clamping state by step S5, the adjusting block 504 in the ratchet assembly can be rotated so that Figure 3 The ratchet block 508 located on the upper side of the middle mounting cavity is pressed against the tooth surface 4011 of the incomplete ratchet 507. The medical staff can operate the sleeve 501 to rotate toward the clamp body II 2 until the connecting plate 502 is linearly aligned with the tail end of the clamp body I 1, and then rotate the adjustment block 504 to reset it.

[0063] In summary, the present invention improves the existing sponge pliers with cross-rotating connection of pliers body Ⅰ1 and pliers body Ⅱ2, specifically:

[0064] 1. When clamping the patient's organs, the medical staff fastens the two sets of finger buckles 6 to move the sleeve 501 toward the direction of the clamp body II2. When the clamp body I1 and the clamp body II2 are close to each other for clamping, the torque structure 5 can be connected to the locking structure 4 when the clamp force is greater than the torque limit in the torque structure 5, so as to lock the clamp body I1 and the clamp body II2, reminding the medical staff that the clamp force has been reached and preventing the staff from further clamping and causing damage to the patient's organs;

[0065] 2. After the clamping is completed, the medical staff can apply force to tighten the two groups of finger buckles 6 to open them, so that the sleeve 501 moves away from the clamp body II2. At this time, the sleeve 501 rotates to cooperate with the telescopic connecting rod 406 to drive the lock 404 to rotate, so that the lock 404 is disengaged from the rack on the locking tooth plate 401. At this time, the locking structure 4 is in an unlocked state, and the clamping of the two groups of clamp heads 3 can be released. Therefore, the locking structure 4 in the present invention can achieve its function while maintaining the medical staff's thinking inertia of using existing sponge forceps when contact locking, reducing the difficulty of medical staff's actual adaptation.

[0066] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A non-destructive sponge forceps, characterized in that: The invention comprises a pliers body I (1) and a pliers body II which are cross-rotatably connected to each other, the ends of the pliers body I (1) and the pliers body II (2) are both provided with pliers heads (3), and the two sets of pliers heads (3) are both provided with a cavity for installing a sponge body, the end of the pliers body I (1) other than the end where the pliers head (3) is installed is provided with a torsion structure (5) and a locking structure (4), and the torsion structure (5) and the tail end of the pliers body II (2) are both provided with a set of finger buckles (6); The torsion structure (5) comprises a connecting plate (502), a sleeve (501) and a ratchet assembly, one end of the connecting plate (502) is rotatably connected to the rear end of the pliers body I (1) through the ratchet assembly, the other end of the connecting plate (502) is inserted into the sleeve (501), the center of the connecting plate (502) is rotatably connected to a positioning shaft (5021) provided in the sleeve (501), and the end side of the connecting plate (502) away from the rear end of the pliers body I (1) is transmission-connected to the torsion assembly (503) in the sleeve (501); The locking structure (4) comprises a latch (404), a locking tooth plate (401) and a transmission plate (407); the latch (404) is rotatably mounted on the rear end of the caliper body I (1); the locking tooth plate (401) is arc-shaped, one end of which is fixedly mounted on the caliper body II (2); one side of the locking tooth plate (401) is provided with a rack for the locking end of the latch (404) to be inserted into; the latch (404) is elastically connected to the rear end of the caliper body I (1) via a first elastic member; the first elastic member is used to provide a supporting force for the latch (404) to rotate and clamp the locking tooth plate (401); The transmission plate (407) is slidably mounted on the rear end of the pliers body I (1) and is Z-shaped. The protruding plate at one end of the transmission plate (407) can be transmission-connected to one end of the sleeve (501), and the other end can be tightly limited with the movable rear end of the latch (404). The movable rear end of the latch (404) is transmission-connected to one end of the transmission plate (407) through a telescopic connecting rod (406) and the sleeve (501). A limiting column (408) is provided on one side of the rear end of the pliers body I (1) close to the rear end of the pliers body II (2). The limiting column (408) is used to limit the rotation angle of one side of the tube.

2. A non-destructive sponge forceps according to claim 1, characterized in that: The clamp head (3) is detachably connected to the ends of the clamp body I (1) and the clamp body II (2).

3. The non-destructive sponge forceps according to claim 1, characterized in that: The tail end of the pliers body I (1) is provided with an installation cavity for rotatably installing the connecting plate (502), and a sealing gasket is fixedly installed on the inner wall of the installation cavity and the sliding contact side of the end of the connecting plate (502).

4. The non-destructive sponge forceps according to claim 1, characterized in that: The ratchet assembly comprises an incomplete ratchet (507), two sets of ratchet blocks (508) and an adjusting cam (510); The incomplete ratchet (507) is fixedly mounted on the end of the connecting plate (502) and placed in the mounting cavity at the rear end of the pliers body I (1), with its tooth surface (4011) facing the pliers body I (1); The two groups of ratchet blocks (508) are rotatably mounted on both sides of the mounting cavity, and the two groups of ratchet blocks (508) are elastically connected to both sides of the mounting cavity through corresponding No. 2 elastic members, and the No. 2 elastic members are used to support the ratchet blocks (508) to move close to the incomplete ratchet (507); The adjusting cam (510) is rotatably mounted in the mounting cavity and is located between the two groups of ratchet clamps. The adjusting cam (510) rotates to switch the corresponding ratchet clamp (508) and the tooth surface (4011) of the incomplete ratchet (507) to clamp. One end of the mounting shaft on the adjusting cam (510) extends out of the mounting cavity, and an adjusting block (504) is fixed to the protruding end of the mounting shaft.

5. The non-destructive sponge forceps according to claim 1, characterized in that: The telescopic connecting rod (406) comprises a sliding rod (4061) and a limiting tube (4062), wherein the limiting tube (4062) is provided with a limiting cavity for sliding connection of the end of the sliding rod (4061), and the distal ends of the sliding rod (4061) and the limiting tube (4062) are respectively hinged to the movable tail end of the lock (404) and the end of the pipe sleeve.

6. The non-destructive sponge forceps according to claim 1, characterized in that: A transmission wheel (5011) is rotatably mounted on the end of the pipe sleeve and is used to contact the corresponding transmission plate (407) and the limiting column (408).

7. The non-destructive sponge forceps according to claim 1, characterized in that: The torsion assembly (503) comprises a torsion slider (5031), a pressure block (5032), a third elastic member, a driving slider (5034) and a driving screw (5035); Wherein, the torsion slider (5031) is slidably installed in the sleeve (501); The pressure block (5032) is rectangular and is placed between the torsion slider (5031) and the connecting plate (502). The torsion slider (5031) and the connecting plate (502) are both provided with a trapezoidal groove for placing the pressure block (5032) on their adjacent sides. The driving slider (5034) is slidably mounted in the sleeve (501) and is located on a side of the torsion slider (5031) away from the contact pressure block (5032). The driving slider (5034) is elastically connected to the torsion slider (5031) via a plurality of sets of No. 3 elastic members; The driving screw rod (5035) is threadedly rotatably mounted on the other end of the sleeve (501), and one end thereof is rotatably connected to the corresponding end side of the driving slider (5034). The driving screw rod (5035) rotates, thereby driving the driving slider (5034) to slide linearly.

8. The non-destructive sponge forceps according to claim 7, characterized in that: An observation tube (5036) is fixed to the tail end of the sleeve (501), and a connecting hole is provided in the observation tube (5036) for the driving screw rod (5035) to penetrate therein, and a plurality of marking rings are provided at the tail end of the driving screw rod (5035).

9. The non-destructive sponge forceps according to claim 7, characterized in that: A sealing plate (505) is fixed on the plate body of the connecting plate (502) extending out of the sleeve (501), and a sealing ring (506) is fixed on the sealing plate (505) near the opening end of the sleeve (501).

10. A method for using a non-destructive sponge pliers, applicable to the non-destructive sponge pliers according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: When clamping is performed, the torque between the sleeve (501) and the connecting plate (502) is adjusted by the torque assembly (503) in the sleeve (501), and the ratchet assembly is adjusted synchronously, so that when the sleeve (501) is driven to move close to the clamp body II (2), the sleeve (501) drives the connecting plate (502) and the clamp body I (1) to move close to the clamp body II (2) synchronously, so that the two groups of clamp heads (3) at the ends of the clamp body I (1) and the clamp body II (2) can achieve clamping, and during the clamping process, the latch (404) in the locking structure (4) is supported by the first elastic member. The sleeve (501) is supported by the toothed rack on the locking toothed plate (401) and clamped with the toothed rack on the locking toothed plate (401) in turn. When the clamping force is greater than the torque limit in the torque assembly (503), the sleeve (501) deflects around the positioning shaft (5021) toward the direction close to the pliers body II (2). The end of the sleeve (501) contacts the protruding plate at one end of the transmission plate (407) and pushes the transmission plate (407) to slide. The protruding plate at the other end of the transmission plate (407) contacts the movable tail end of the latch (404) and latches the latch (404). At this time, the locking structure (4) locks the pliers body I (1) and the pliers body II (2). When the loosening operation is performed, force is applied to drive the sleeve (501) to move in a direction away from the pliers body II (2). At this time, the ratchet assembly does not limit the rotation direction of the connecting plate (502) and the sleeve (501). When the sleeve (501) rotates, the telescopic connecting rod (406) drives the lock (404) to rotate, so that the lock (404) is disengaged from the rack on the locking tooth plate (401). At this time, the locking structure (4) is in an unlocked state, and the pliers body I (1) can move with the sleeve (501) in a direction away from the pliers body II (2), so that the pliers head (3) can be disengaged from the clamp.

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