CN212395000U - Reusable tissue clamp capable of being rapidly disassembled and assembled - Google Patents

Abstract

The utility model belongs to the technical field of medical instrument, concretely relates to repeatedly usable's quick assembly disassembly tissue clamp, include excitation device, cartridge assembly and be used for connecting the coupling assembling of excitation device with the cartridge assembly, coupling assembling detachably fixes in excitation device. The utility model discloses a tissue clamp includes excitation device, cartridge assembly and is used for connecting the coupling assembling of excitation device with the cartridge assembly, and coupling assembling detachably fixes in excitation device, has realized the dismouting between coupling assembling and the excitation device, and the used repeatedly of the tissue clamp of being convenient for can practice thrift the operation expense, and resources are saved reduces the production of discarded object.

Description

Reusable tissue clamp capable of being rapidly disassembled and assembled

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to repeatedly usable's quick assembly disassembly tissue clamp.

Background

During clinical endoscopic procedures, tissue is typically clamped closed with tissue clamps to prevent bleeding. At present, tissue clamps which can be continuously excited for multiple times are adopted, although the tissue clamps do not need to be taken out after one-time tissue clamping and then the tissue clamps are installed again in vitro, in the using process, the connecting component of the tissue clamps can extend into the body of a patient to be contacted with muscle tissues, blood, body fluid and the like of the patient, so that each set of tissue clamps can only be used by one patient, and the infection risk is avoided. Thus, the excitation device which is not in contact with the muscle tissue, blood, body fluid and the like of the patient is scrapped, so that the operation cost is increased, a large amount of resources are wasted, and meanwhile, the excitation device is mostly made of plastic products. It is well known that plastic waste degrades very slowly and is a major source of environmental pollution. Accordingly, there is a need for a reusable quick-release tissue clamp.

SUMMERY OF THE UTILITY MODEL

In order to solve the unable quick assembly disassembly of current tissue clamp, used repeatedly's problem, the utility model discloses a repeatedly usable's quick assembly disassembly tissue clamp, this tissue clamp draw together excitation device, cartridge assembly and be used for connecting the coupling assembling of excitation device with the cartridge assembly, coupling assembling detachably fixes in excitation device, has realized the dismouting between coupling assembling and the excitation device, is convenient for organize the used repeatedly of clamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a reusable tissue clamp capable of being quickly disassembled and assembled comprises an excitation device, a clamping head assembly and a connecting assembly used for connecting the excitation device and the clamping head assembly, wherein the connecting assembly is detachably fixed in the excitation device.

Preferably, the connecting assembly comprises a connecting sleeve and a driving mechanism arranged in the connecting sleeve and used for connecting the excitation device and the chuck assembly, and the connecting sleeve is provided with a pin hole used for fixing the connecting assembly;

the excitation device is provided with a fixing hole at one end close to the chuck component, and a fixing pin which can slide up and down along the inner wall of the fixing hole for a set distance is fixed in the fixing hole;

after one end of the connecting assembly is inserted into the exciting device, the connecting assembly rotates for a certain angle, so that the fixing pin is inserted into the pin hole to fix the connecting assembly.

Preferably, the excitation device comprises a conical fixing cover arranged at one end close to the chuck component, the fixing hole is arranged on the conical fixing cover, and the connecting component is inserted into the excitation device through the conical fixing cover.

Preferably, the excitation device further comprises an excitation handle, an excitation trigger and an excitation push rod, the excitation push rod is arranged in the excitation handle and is in sliding connection with the connecting sleeve, and the excitation trigger is rotatably fixed on the excitation handle and is used for driving the excitation push rod to push the driving mechanism to advance.

Preferably, the connecting assembly further comprises a tissue clip positioning device for accommodating the tissue clip and positioning the tissue clip pushed forward by one step;

connecting sleeve establishes including the package at the upper and lower two arc package pieces in the tissue presss from both sides positioner and actuating mechanism outside, cover and establish the package piece sleeve pipe in the arc package piece outside and with two arc package piece fixed connection's propulsion restriction cover, coupling assembling makes after inserting excitation device propulsion restriction cover and excitation push rod sliding connection.

Preferably, the excitation push rod comprises a push rod seat and a push rod barrel which are fixedly connected; the connection assembly further includes a return spring for returning the tissue clamp; the push rod limiting sleeve is characterized in that one end, close to the arc wrapping sheet, of the push rod limiting sleeve is provided with an annular boss protruding outwards along the outer side wall, the reset spring sleeve is arranged on the outer side of the push rod limiting sleeve, one end of the push rod sleeve is fixed on the annular boss, one end, close to the connecting assembly, of the push rod sleeve extends into the push rod limiting sleeve, a part of the reset spring is sleeved on the push rod sleeve, and the other end of the reset spring is abutted to the push rod seat.

Preferably, the push rod cylinder is symmetrically provided with two through holes on the side wall close to one end of the connecting component, and push rod pins penetrate through the two through holes;

the driving mechanism is provided with a pin groove at one end close to the exciting push rod, so that the push rod pin can be accommodated in the pin groove after the connecting assembly is inserted into the exciting device.

Preferably, the side wall of the excitation push rod close to one end of the connecting component is symmetrically provided with two U-shaped grooves;

the driving mechanism is provided with a push rod pin at one end close to the excitation device in a penetrating mode, and after the connecting assembly is inserted into the excitation device, two ends of the push rod pin are respectively contained in the two U-shaped grooves.

Preferably, the side wall of the propulsion limiting sleeve is symmetrically provided with two strip-shaped holes which are used for accommodating the push rod pin and enabling the push rod pin to move back and forth for a certain distance, the plane where the longitudinal axes of the two strip-shaped holes are located divides the propulsion limiting sleeve into an upper half limiting sleeve and a lower half limiting sleeve on average, each strip-shaped hole is divided into two strip-shaped grooves, and the two half limiting sleeves are integrally formed with the two arc-shaped wrapping pieces respectively.

Preferably, one end of each strip-shaped groove of each semi-limiting sleeve, which is close to the push rod barrel, is provided with a first arc chamfer, so that when the connecting assembly is pulled out of the excitation device, the push rod pin can be smoothly separated from the pushing limiting sleeve;

every half restriction cover all is equipped with circular arc chamfer two near the one end of push rod section of thick bamboo, is convenient for when inserting coupling assembling excitation device, makes the push rod pin slide in the bar is downthehole smoothly.

Preferably, the connecting assembly further comprises a limiting rod for limiting the position of each component in the process of rotating the connecting assembly; the tissue clamp positioning device is provided with a first limiting hole at one end close to the excitation device, the propulsion limiting sleeve is provided with two symmetrical second limiting holes at corresponding positions, and the limiting rod sequentially penetrates through the second limiting hole, the first limiting hole and the second limiting hole;

the driving mechanism is provided with a strip-shaped avoiding hole at a position corresponding to the limiting rod, so that the driving mechanism can avoid the limiting rod from advancing for a set distance.

Preferably, a plurality of fixing bulges are respectively arranged at one end of each of the two arc-shaped wrapping pieces close to the propulsion limiting sleeve, and fixing grooves matched with the fixing bulges are arranged at corresponding positions of the wrapping sleeve, so that the fixing bulges are clamped in the fixing grooves, and the arc-shaped wrapping pieces and the wrapping sleeve are fixed.

The utility model discloses following beneficial effect has:

(1) the tissue clamp of the utility model comprises an excitation device, a clamping head component and a connecting component for connecting the excitation device and the clamping head component, wherein the connecting component is detachably fixed in the excitation device, thereby realizing the disassembly and assembly between the connecting component and the excitation device, facilitating the reuse of the tissue clamp, saving the operation cost, saving the resources and reducing the generation of wastes;

(2) the utility model discloses set up the fixed orifices on the fixed cover of toper, the fixed pin of setting for the distance can be followed to the fixed orifices inner wall sliding from top to bottom in the setting of fixed orifices, and the position that corresponds on adapter sleeve sets up the pinhole, after inserting excitation device with coupling assembling, rotating connection assembly, make the pinhole rotate to the position that corresponds with the fixed pin, press the fixed pin and can realize the fixed to coupling assembling, and is easy and simple to handle, when coupling assembling needs to be extracted, only need lift the fixed pin, counter-clockwise rotation coupling assembling to corresponding angle, can extract coupling assembling smoothly, and convenient for operation, the quick assembly disassembly of coupling assembling has been realized.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the tissue clamp of the present invention;

fig. 2 is a schematic structural view of the connection part of the connection assembly and the excitation device of the present invention;

FIG. 3 is an enlarged view of a portion a of FIG. 2;

FIG. 4 is a front view of the tissue clamp of the present invention (with parts omitted);

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic view of an embodiment of the present invention (omitting one arc wrapping sheet and one half of the semi-restrictive sleeve);

FIG. 7 is a schematic view of another embodiment of the present invention (omitting one arc wrapping sheet and one half of the semi-restrictive sleeve);

fig. 8 is a partial schematic view of the present invention;

fig. 9 is a schematic view of a first limiting hole and surrounding parts of the present invention (the limiting rod is omitted);

fig. 10 is a schematic structural view of the conical fixing cover of the present invention;

in the figure: 1. an excitation device; 11. a conical fixing cover; 111. an avoidance groove; 112. a fixing pin; 12. activating the handle; 13. activating the trigger; 14. exciting the push rod; 141. a push rod seat; 142. a push rod barrel; 143. a U-shaped groove; 2. a chuck assembly; 3. a connecting assembly; 31. connecting a sleeve; 311. wrapping the sheet in an arc shape; 3111. a fixed protrusion; 312. wrapping a sheet sleeve; 3121. fixing grooves; 313. a propulsion restriction sleeve; 3130. a semi-restrictive sleeve; 31301. arc chamfering II; 31302. a mating protrusion; 31303. a mating groove; 3131. an annular boss; 3132. a strip-shaped hole; 31321. a strip-shaped groove; 31322. chamfering a first arc; 3133. a second limiting hole; 32. a drive mechanism; 321. a pin slot; 322. strip-shaped avoiding holes; 33. a tissue clip positioning device; 331. a first limiting hole; 34. a return spring; 35. a limiting rod; 8. a push rod pin; 9. tissue clips.

Detailed Description

The present invention will now be described in further detail with reference to examples.

A reusable tissue clamp capable of being quickly disassembled and assembled is shown in figure 1 and comprises an excitation device 1, a clamping head assembly 2 and a connecting assembly 3 for connecting the excitation device 1 and the clamping head assembly 2, wherein the connecting assembly 3 is detachably fixed in the excitation device 1.

In a specific embodiment, as shown in fig. 2, 5 and 6, the connecting assembly 3 includes a connecting sleeve 31 and a driving mechanism 32 disposed in the connecting sleeve 31 for connecting the excitation device 1 and the chuck assembly 2, the connecting sleeve 31 is provided with a pin hole for fixing the connecting assembly 3; the excitation device 1 is provided with a fixing hole at one end close to the chuck component 2, and a fixing pin 112 capable of sliding up and down along the inner wall of the fixing hole for a set distance is fixed in the fixing hole; after one end of the connecting component 3 is inserted into the excitation device 1, the connecting component 3 is fixed by rotating a certain angle to insert the fixing pin 112 into the pin hole.

In a specific embodiment, as shown in fig. 5, a sliding groove is provided on an inner side wall of the fixing hole, a sliding protrusion matching with the sliding groove is provided on an outer side wall of the fixing pin 112, and the fixing pin 112 can be fixed in the fixing hole by the cooperation between the sliding protrusion and the sliding groove and can slide up and down along the inner wall of the fixing hole for a set distance. After one end of the connecting assembly 3 is inserted into the excitation device 1, the fixing pin 112 is pressed down by clockwise rotating a certain angle (for example, 45 degrees), so that the fixing pin 112 is inserted into the pin hole, thereby fixing the connecting assembly 3. When the connecting assembly 3 needs to be pulled out, the fixing pin 112 can be separated from the pin hole only by pulling out the fixing pin 112 for a set distance along the fixing hole, and then the connecting assembly 3 is rotated counterclockwise by a certain angle (for example, 45 degrees), so that the connecting assembly 3 can be pulled out. In particular embodiments, the location of the pin holes may be identified on the joint sleeve 31 to facilitate accurate rotation into position.

In a specific embodiment, the distance that the sliding protrusion can slide up and down in the sliding groove may be 0.5 to 2mm, preferably 1 mm.

In a specific embodiment, as shown in fig. 1 and 2, the excitation device 1 includes a tapered fixing cover 11 disposed near one end of the chuck assembly 2, a fixing hole is disposed on the tapered fixing cover 11, and the connecting assembly 3 is inserted into the excitation device 1 through the tapered fixing cover 11. As shown in fig. 10, the conical fixing cap 11 has a circular hole at one end near the chuck assembly 2, through which the connecting member 3 can be directly inserted into the excitation device 1.

In one particular embodiment, as shown in FIGS. 2-3, the firing mechanism 1 further includes a firing handle 12, a firing trigger 13, and a firing push rod 14, the firing push rod 14 being disposed within the firing handle 12 and slidably coupled to the coupling sleeve 31, the firing trigger 13 being rotatably secured to the firing handle 12 for driving the firing push rod 14 to advance the drive mechanism 32.

In one embodiment, as shown in fig. 5-8, the connecting assembly 3 further includes a tissue clip positioning device 33 for receiving the tissue clip 9 and positioning the tissue clip 9 after being advanced one step forward; the connecting sleeve 31 comprises an upper arc-shaped wrapping piece 311 and a lower arc-shaped wrapping piece 311 which are wrapped outside the tissue clamp positioning device 33 and the driving mechanism 32, a wrapping piece sleeve 312 which is sleeved outside the arc-shaped wrapping piece 311, and a pushing limiting sleeve 313 which is fixedly connected with the two arc-shaped wrapping pieces 311, and after the connecting component 3 is inserted into the excitation device 1, the pushing limiting sleeve 313 is connected with the excitation push rod 14 in a sliding mode. The outer diameter of the excitation push rod 14 is smaller than or equal to the inner diameter of the propulsion limiting sleeve 313, and after the connecting assembly 3 is inserted into the excitation device 1, the excitation push rod 14 is inserted into the propulsion limiting sleeve 313 to realize sliding connection.

In the continuous tissue clamping device, after the tissue clamping device is inserted into the human body, a plurality of tissue clips are generally ejected to clamp and close a plurality of blood vessels, tissues and the like, therefore, a plurality of tissue clips 9 are simultaneously accommodated in the tissue clip positioning device 33 of the continuous tissue clamping device, and each time the tissue clip positioning device holds the trigger 13, the trigger 14 is driven to push the driving mechanism 32 to push all the tissue clips 9 in the tissue clip positioning device 33 forward by one step, and the tissue clips 9 after one step are pushed forward to be positioned by the positioning device on the tissue clip positioning device 33.

In one particular embodiment, as shown in FIG. 3, the activation pushrod 14 includes a pushrod seat 141 and a pushrod barrel 142 fixedly attached; the connection assembly 3 further includes a return spring 34 for returning the tissue clamp; the pushing limiting sleeve 313 has an annular boss 3131 protruding outwards along the outer side wall at one end close to the arc-shaped wrapping sheet 311, the return spring 34 is sleeved outside the pushing limiting sleeve 313, one end is fixed on the annular boss 3131, one end of the push rod barrel 142 close to the connecting component 3 extends into the pushing limiting sleeve 313, a part of the return spring 34 is sleeved on the push rod barrel 142, and the other end of the return spring 34 abuts against the push rod seat 141. When the push lever base 141 is driven to advance the driving mechanism 32 by grasping the trigger 13, the return spring 34 is compressed by pressure, and then the return spring 34 is extended against the pressure to push the push lever base 141 and drive the trigger 13 to return for the next trigger.

In an exemplary embodiment, as shown in fig. 3, a connecting rod is fixedly connected to the rear side of the pushing rod seat 141, a disk is fixedly connected to the rear side of the connecting rod, the whole actuating pushing rod 14 is limited in the actuating device 1 by the disk, and the top of the actuating trigger 13 is divided into two parts, so that the top of the actuating trigger 13 can be effectively avoided from the connecting rod when the actuating pushing rod 14 is pushed forward by grasping the actuating trigger 13.

In a specific embodiment, as shown in fig. 6, the push rod cylinder 142 is symmetrically provided with two through holes on the side wall near one end of the connecting assembly 3, and the push rod pin 8 penetrates through the two through holes; the driving mechanism 32 has a pin slot 321 at an end thereof adjacent to the actuating push rod 14, so that the push rod pin 8 is received in the pin slot 321 when the connecting assembly 3 is inserted into the actuating device 1.

In the specific implementation mode, the push rod barrel 142 is internally and fixedly provided with a pressure spring, the pressure spring is limited in the push rod barrel 142 through the push rod pin 8, the push rod pin 8 can be firmly fixed by abutting against the push rod pin 8 through the pressure spring, and the phenomenon that the assembly of the push rod pin 8 is unstable and the slipping occurs due to errors generated in the part manufacturing process is avoided.

In a specific embodiment, as shown in fig. 7, the excitation push rod 14 is symmetrically provided with two U-shaped grooves 143 on the side wall near one end of the connecting assembly 3; the driving mechanism 32 is provided with a push rod pin 8 at one end close to the excitation device 1, and after the connecting assembly 3 is inserted into the excitation device 1, two ends of the push rod pin 8 are respectively accommodated in the two U-shaped grooves 143.

In one embodiment, a compression spring is fixedly disposed within the shaft 142 and provides a stress to the drive mechanism to tighten the connection between the components.

In a specific embodiment, as shown in fig. 3 and 6-8, two strip-shaped holes 3132 for receiving the push rod pin 8 and allowing the push rod pin 8 to move back and forth for a certain distance are symmetrically disposed on the side wall of the push limiting sleeve 313, the plane of the longitudinal axes of the two strip-shaped holes 3132 equally divides the push limiting sleeve 313 into an upper half limiting sleeve 3130 and a lower half limiting sleeve 3130, and divides each strip-shaped hole 3132 into two strip-shaped grooves 31321, and the two half limiting sleeves 3130 are integrally formed with the two arc-shaped wrapping sheets 311.

The provision of the slotted aperture 3132 makes it possible to advance the push rod stud 8 therein by a set distance, so as to push the drive means 32 forward while keeping the advance-limiting sleeve 313 (i.e. the entire connecting sleeve 31) immobile. The push limiting bush 313 is divided equally into upper and lower half limiting bushes 3130, which on the one hand facilitates assembly and on the other hand, allows the push rod pin 8 to be smoothly detached from the push limiting bush 313 when the entire connecting assembly 3 is pulled out, as in the case of the embodiment shown in fig. 6.

In a specific embodiment, as shown in fig. 6-7 and 9, each half-restriction bush 3130 may be provided with a fitting protrusion 31302 and a fitting groove 31303 on both sides at a position where the annular boss 3131 is provided, and when assembling, the fitting protrusion 31302 of one half-restriction bush 3130 is inserted into the fitting groove 31303 of the other half-restriction bush 3130 to achieve positioning.

In a particular embodiment, as shown in fig. 6, the slot 31321 of each half-bush 3130 is provided with a rounded chamfer 31322 at the end close to the plunger cylinder 142, in order to allow the plunger pin 8 to smoothly disengage from the push-in bush 313 when the connecting assembly 3 is pulled out of the actuating device 1; each half-restriction bush 3130 has a rounded chamfer di 31301 at an end close to the plunger barrel 142, so that the plunger pin 8 can smoothly slide into the strip-shaped hole 3132 when the connecting assembly 3 is inserted into the actuating device 1.

In a particular embodiment, as shown in fig. 6-9, the connection assembly 3 further includes a stop bar 35 for limiting the position of the components during rotation of the connection assembly 3; the tissue clamp positioning device 33 is provided with a first limiting hole 331 at one end close to the excitation device 1, the pushing limiting sleeve 313 is provided with two symmetrical second limiting holes 3133 at corresponding positions, and the limiting rod 35 sequentially passes through the second limiting hole 3133, the first limiting hole 331 and the second limiting hole 3133; the driving mechanism 32 is provided with a strip-shaped avoiding hole 322 at a position corresponding to the limiting rod 35, so that the driving mechanism 32 can avoid the limiting rod 35 to advance for a set distance.

The arrangement of the limiting rod 35 can avoid the situation that the rotation angles of the components are inconsistent in the process of rotating after the connecting component 3 is inserted into the excitation device 1, and the accuracy of the tissue clamp is ensured. After the tissue clamp is activated, the connecting sleeve 31 and the tissue clamp positioning device 33 both keep the original positions, the driving mechanism 32 pushes the tissue clamp 9 in the tissue clamp positioning device 33 to advance, and the strip-shaped avoiding hole 322 can avoid the forward obstruction of the driving mechanism 32.

In an embodiment, the second stopper hole 3133 may be a circular hole capable of accommodating only the stopper rod 35, or may be a long strip as shown in fig. 8, and the long strip is disposed to facilitate observation of whether the driving direction of the driving mechanism deviates from the predetermined track during the test.

In a specific embodiment, as shown in fig. 10, the conical fixing cover 11 is provided with two upper and lower avoiding grooves 111 at the round hole for inserting the connecting assembly 3, and the arrangement of the avoiding grooves 111 can make the limiting rod 35 smoothly enter and exit.

In a specific embodiment, as shown in fig. 7-8, a plurality of fixing protrusions 3111 are respectively disposed at one end of each of the two arc-shaped wrapping sheets 311 close to the pushing restriction sleeve 313, and a fixing groove 3121 matched with the fixing protrusion 3111 is disposed at a corresponding position of the wrapping sheet sleeve 312, so that the fixing protrusion 3111 is engaged in the fixing groove 3121, thereby fixing the arc-shaped wrapping sheets 311 and the wrapping sheet sleeve 312.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (12)

1. The utility model provides a repeatedly usable's quick assembly disassembly tissue clamp, includes excitation device (1), cartridge assembly (2) and is used for connecting excitation device (1) and coupling assembling (3) of cartridge assembly (2), its characterized in that: the connecting assembly (3) is detachably fixed in the excitation device (1).

2. The reusable, quick-disconnect tissue clamp of claim 1 wherein: the connecting assembly (3) comprises a connecting sleeve (31) and a driving mechanism (32) which is arranged in the connecting sleeve (31) and used for connecting the excitation device (1) and the chuck assembly (2), and a pin hole used for fixing the connecting assembly (3) is formed in the connecting sleeve (31);

a fixing hole is formed in one end, close to the chuck component (2), of the excitation device (1), and a fixing pin (112) capable of sliding up and down along the inner wall of the fixing hole for a set distance is fixed in the fixing hole;

after one end of the connecting component (3) is inserted into the exciting device (1), the fixing pin (112) is inserted into the pin hole by rotating a certain angle, and the connecting component (3) is fixed.

3. The reusable, quick-disconnect tissue clamp of claim 2 wherein: excitation device (1) includes fixed cover of toper (11) that one end setting is being close to cartridge assembly (2), the fixed orifices sets up on fixed cover of toper (11), coupling assembling (3) are in excitation device (1) is inserted through fixed cover of toper (11).

4. The reusable, quick-disconnect tissue clamp of claim 3 wherein: the excitation device (1) further comprises an excitation handle (12), an excitation trigger (13) and an excitation push rod (14), wherein the excitation push rod (14) is arranged in the excitation handle (12) and is in sliding connection with the connecting sleeve (31), and the excitation trigger (13) is rotatably fixed on the excitation handle (12) and is used for driving the excitation push rod (14) to push the driving mechanism (32) to advance.

5. The reusable, quick-disconnect tissue clamp of claim 4 wherein: the connecting component (3) also comprises a tissue clamp positioning device (33) which is used for accommodating the tissue clamp (9) and positioning the tissue clamp (9) which is pushed forward by one step;

connecting sleeve (31) are established including the package and are being organized two upper and lower arc package pieces (311) in pressing from both sides positioner (33) and actuating mechanism (32) outside, cover and establish package piece sleeve pipe (312) outside arc package piece (311) and with two arc package piece (311) fixed connection's propulsion restriction cover (313), coupling assembling (3) insert after excitation device (1), make propulsion restriction cover (313) and excitation push rod (14) sliding connection.

6. The reusable, quick-disconnect tissue clamp of claim 5 wherein: the excitation push rod (14) comprises a push rod seat (141) and a push rod barrel (142) which are fixedly connected; the connection assembly (3) further comprises a return spring (34) for returning the tissue clamp; the one end that impels restriction cover (313) is being close to arc package piece (311) has along outside convex annular boss (3131) of lateral wall, reset spring (34) cover is established in the outside that impels restriction cover (313), and one end is fixed on annular boss (3131), push rod section of thick bamboo (142) are close to the one end of coupling assembling (3) and stretch into in impel restriction cover (313), make a part cover of reset spring (34) establish on push rod section of thick bamboo (142) to make the other end of reset spring (34) support and lean on push rod seat (141).

7. The reusable, quick-disconnect tissue clamp of claim 6 wherein: the push rod barrel (142) is symmetrically provided with two through holes on the side wall close to one end of the connecting component (3), and push rod pins (8) penetrate through the two through holes;

the driving mechanism (32) is provided with a pin groove (321) at one end close to the excitation push rod (14), so that the push rod pin (8) can be accommodated in the pin groove (321) after the connecting component (3) is inserted into the excitation device (1).

8. The reusable, quick-disconnect tissue clamp of claim 6 wherein: two U-shaped grooves (143) are symmetrically formed in the side wall of the excitation push rod (14) close to one end of the connecting component (3);

the driving mechanism (32) is provided with a push rod pin (8) at one end close to the excitation device (1) in a penetrating mode, after the connecting assembly (3) is inserted into the excitation device (1), two ends of the push rod pin (8) are contained in the two U-shaped grooves (143) respectively.

9. The reusable, quick-disconnect tissue clamp of any of claims 7 or 8 wherein: two strip-shaped holes (3132) used for containing push rod pins (8) and enabling the push rod pins (8) to move back and forth for a certain distance are symmetrically arranged on the side wall of the push limiting sleeve (313), the plane where the longitudinal axis of the two strip-shaped holes (3132) is located divides the push limiting sleeve (313) into an upper half limiting sleeve and a lower half limiting sleeve (3130) on average, each strip-shaped hole (3132) is divided into two strip-shaped grooves (31321), and the two half limiting sleeves (3130) are integrally formed with the two arc-shaped wrapping sheets (311) respectively.

10. The reusable, quick-disconnect tissue clamp of claim 9 wherein: one end of the strip-shaped groove (31321) of each semi-limiting sleeve (3130), which is close to the push rod cylinder (142), is provided with a first arc chamfer (31322), so that the push rod pin (8) can be smoothly separated from the push limiting sleeve (313) when the connecting component (3) is pulled out of the excitation device (1);

each semi-limiting sleeve (3130) is provided with a second arc chamfer (31301) at one end close to the push rod cylinder (142), so that when the connecting component (3) is inserted into the excitation device (1), the push rod pin (8) can smoothly slide into the strip-shaped hole (3132).

11. The reusable, quick-disconnect tissue clamp of claim 5 wherein: the connecting assembly (3) further comprises a limiting rod (35) for limiting the position of each component in the process of rotating the connecting assembly (3); one end of the tissue clamp positioning device (33) close to the excitation device (1) is provided with a first limiting hole (331), the push limiting sleeve (313) is provided with two symmetrical second limiting holes (3133) at corresponding positions, and the limiting rod (35) sequentially passes through the second limiting hole (3133), the first limiting hole (331) and the second limiting hole (3133);

the driving mechanism (32) is provided with a strip-shaped avoiding hole (322) at a position corresponding to the limiting rod (35), so that the driving mechanism (32) can avoid the limiting rod (35) to advance for a set distance.

12. The reusable, quick-disconnect tissue clamp of claim 5 wherein: two arc package piece (311) are equipped with a plurality of fixed archs (3111) respectively near the one end of propelling restriction cover (313), package piece sleeve pipe (312) are equipped with in the position that corresponds with fixed protruding (3111) assorted fixed slot (3121), make fixed protruding (3111) card is established in fixed slot (3121), realize fixed between arc package piece (311) and package piece sleeve pipe (312).

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