CN110251187B - Mechanical separable hemostatic forceps device - Google Patents

Mechanical separable hemostatic forceps device Download PDF

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Publication number
CN110251187B
CN110251187B CN201910692577.6A CN201910692577A CN110251187B CN 110251187 B CN110251187 B CN 110251187B CN 201910692577 A CN201910692577 A CN 201910692577A CN 110251187 B CN110251187 B CN 110251187B
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rod body
rod
push
spring
hollow
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CN110251187A (en
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蒋子昂
钱乐文
石更强
赵佳琦
郝佳慧
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/128Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A61B17/1285Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (AREA)
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  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention provides a mechanical separable hemostatic forceps device, comprising: the placing assembly comprises a replaceable storage bin, a hollow rod body, a first push rod, a pull rod and a connector, wherein the replaceable storage bin is internally stored with a plurality of sequentially arranged chucks, the hollow rod body is communicated with the replaceable storage bin, the hollow rod body is internally provided with the plurality of sequentially arranged chucks, the first push rod is arranged at the tail end of the hollow rod body, the pull rod is arranged above the hollow rod body and the first push rod, and the connector is used for connecting the replaceable storage bin, the hollow rod body, the first push rod and the pull rod; and the forceps taking assembly comprises a rod body, a front configuration head arranged at the end part of the rod body and used for hooking the concave notch of the chuck at the hemostasis position, two push rod rails arranged inside the rod body, a push needle arranged between the two push rod rails and a push-pull piece arranged at the rear end of the rod body and connected with the push needle. The mechanical separable hemostatic forceps device has the advantages of simple structure, convenience in operation, low manufacturing cost and good hemostatic effect, and can keep the operable space of a minimally invasive surgery without interfering with the operation.

Description

Mechanical separable hemostatic forceps device
Technical Field
The invention relates to a hemostatic forceps device, in particular to a mechanical separable hemostatic forceps device.
Background
The minimally invasive surgery refers to a surgery that causes little trauma to a human body during a surgical procedure, and is a variety of types of surgeries for treatment using a laparoscope or a tiny incision. The conventional surgical incision is particularly large, and the separated tissues are wide, so that more muscles, blood vessels and corresponding nerves are damaged, and complications are likely to be caused. Compared with the traditional operation, the minimally invasive operation has the characteristics of small wound, light pain, quick recovery, short hospitalization time, less bleeding and the like, and greatly reduces the inconvenience and pain of the patient caused by the operation.
With the development of modern technology, abdominal cavity surgery is successfully shifted from traditional surgical laparotomy to minimally invasive surgery with minimal or no injury. In the operation process, doctors need to clamp blood vessels beside tissues for a long time through common hemostatic forceps, and when blood supply blockage is realized, fatigue and pain of fingers, palms, wrist joints and shoulders of the doctors are easily caused. Moreover, for a plurality of bleeding points, a plurality of traditional hemostatic forceps are needed, which greatly occupies limited incision space, is very unfavorable for surgical operation and reduces the injury of patients.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a mechanical separable hemostatic forceps device.
The invention provides a mechanical separable hemostatic forceps device, which is characterized by comprising: the placement component is used for placing the chucks and placing the chucks at the hemostasis position to fall off, and comprises a replaceable storage bin, a hollow rod body, a first push rod, a pull rod and a connector, wherein the replaceable storage bin is internally stored with a plurality of sequentially arranged chucks; the forceps taking assembly is used for taking down a chuck at a hemostasis position and comprises a rod body, a front configuration head arranged at the end part of the rod body and used for hooking the chuck at the hemostasis position at the concave gap position, two push rod rails arranged inside the rod body, a push needle arranged between the two push rod rails and a push-pull piece arranged at the rear end of the rod body and connected with the push needle, wherein the bottom of the replaceable storage bin is provided with a bottom plate, two springs used for providing upward acting force to push the chuck into a connector to enter the hollow rod body and a movable plate connected to the top ends of the two springs are fixed on the bottom plate, the chucks are sequentially arranged above the movable plate, each chuck comprises a forceps shell, a fixed forceps head fixedly connected with the forceps shell through a rivet, a rotating forceps head movably connected with the forceps shell through a hinge, a second push rod arranged at the tail end of the forceps shell and a notch connected with a tail rod of the rotating forceps head and integrally formed with the second push rod, The first spring that sets up between fixed binding clip afterbody and notch and set up the second spring between the tail-bar of second push rod and rotation binding clip, the one end of pull rod is provided with little spring, and the other end is connected with and is used for restricting the internal next chuck of hollow rod and not along with the little lever that first chuck dropped together, and the cover is equipped with the answer spring on the push rod track, and this answer spring is used for hiding the push pin in the inside of the body of rod.
The mechanical separable hemostatic forceps device provided by the invention can also have the following characteristics: wherein, the number of the chucks in the replaceable storage bin is 8-10, and the number of the chucks in the hollow rod body is 10-15.
The mechanical separable hemostatic forceps device provided by the invention can also have the following characteristics: the end part of the fixed binding clip is provided with a first through hole, the binding clip is provided with a fixed hole, the first through hole is connected with the fixed hole through a rivet, so that the fixed binding clip is fixed on the binding clip, the tail rod of the rotary binding clip is provided with a second through hole, the connecting piece connected on the notch is provided with a third through hole, and the second through hole is connected with the third through hole through a hinge.
The mechanical separable hemostatic forceps device provided by the invention can also have the following characteristics: wherein, the first spring is a tablet spring, and the second spring is a coil spring.
The mechanical separable hemostatic forceps device provided by the invention can also have the following characteristics: the small lever and the hollow rod body are sleeved with a spring ring, and the spring ring is matched with the small spring to provide restoring force together and is used for controlling the small lever to keep the front end to be inclined downwards.
The mechanical separable hemostatic forceps device provided by the invention can also have the following characteristics: the two end parts of the small lever are respectively provided with a first boss and a second boss, the first boss at the front end is used for controlling the chuck not to be pushed out of the hollow rod body when stressed, the second boss at the rear end is used for controlling the next chuck not to fall out of the hollow rod body, the upper part of the small lever is provided with a semi-arc groove in friction fit with the first protruding part at the front end of the pull rod, and the lower part of the small lever is provided with a concave arc groove in friction fit with the second protruding part at the front end of the pull rod.
Action and Effect of the invention
According to the mechanical separable hemostatic forceps device, the plurality of chucks are stored in the replaceable storage bin for placing the component, so that hemostasis can be realized without a multi-rod traditional forceps, and the chucks can be replaced after being used; because the hollow rod body of the storage component is communicated with the replaceable storage bin and the bottom plate of the replaceable storage bin is fixedly provided with two springs for providing upward acting force, the chuck in the replaceable storage bin can enter the hollow rod body; the first push rod of the placing assembly is arranged at the tail end of the hollow rod body, and the push needle and the push rod track are arranged in the first push rod, so that the chuck can be pushed to move in the hollow rod body; because the pull rod of the placing component is arranged above the hollow rod body and the first push rod, one end of the pull rod is provided with the small spring, and the other end of the pull rod is connected with the small lever, the next chuck in the hollow rod body can be limited from falling along with the first chuck; because the coupler of the placing component is of a hollow structure, the replaceable storage bin, the hollow rod body, the first push rod and the pull rod can be connected together; since the collet has the first spring and the second spring, a restoring force that restores the collet to the initial closed state can be provided; because the forceps taking assembly is provided with the right-angle front configuration head, the push needle and the push-pull piece, the main acting force generated by the front configuration head is parallel to the rod body, and the radial force ratio is smaller, so that the crushing probability is reduced, the lower concave notch of the chuck can be hooked, the chuck is ensured not to move left and right, and meanwhile, the push needle can oppositely apply force; because the push rod track is sleeved with the return spring, the return force can be provided, and the push needle can be hidden in the rod body under the normal condition of the return spring.
Therefore, the mechanical separable hemostatic forceps device can effectively stanch, can supply the clamping heads in vitro infinitely through the replaceable storage bin, is convenient to provide the clamping heads, can be separated, can avoid the influence on the operation process and the treatment time caused by inconvenience in the minimally invasive operation process due to multiple manual operations, and can not interfere the operation while keeping the operable space of the minimally invasive operation.
Drawings
FIG. 1 is a schematic view of a placement assembly of a mechanically separable hemostatic forceps device in an embodiment of the invention;
FIG. 2 is an enlarged, fragmentary, schematic view of a placement assembly of the mechanically separable hemostatic forceps device in an embodiment of the invention;
FIG. 3 is a schematic view of an alternative storage cartridge of the mechanically separable hemostat device in an embodiment of the present invention;
FIG. 4 is a schematic structural view of a collet of the mechanically separable hemostatic forceps device of an embodiment of the present invention;
FIG. 5 is a schematic view of the opening of the jaws of the mechanically separable hemostatic forceps device of an embodiment of the present invention;
FIG. 6 is a perspective view of a collet of a mechanically separable hemostatic forceps device in an embodiment of the invention;
FIG. 7 is an enlarged schematic view of the front end of the pull rod of the mechanically separable hemostat device in an embodiment of the present invention;
FIG. 8 is an enlarged top schematic view of the forward end of the pull rod of the mechanically separable hemostat device in an embodiment of the present invention;
FIG. 9 is a schematic view of the combination of the small lever and the hollow rod body and the pull rod of the mechanical separable hemostatic forceps device according to an embodiment of the present invention;
FIG. 10 is a schematic view of the mechanism at the forward end of the hollow shaft of the mechanically separable hemostatic forceps device of an embodiment of the present invention;
FIG. 11 is a schematic structural view of the front end of the pull rod of the mechanically separable hemostatic forceps device of an embodiment of the present invention;
FIG. 12 is a schematic structural view of a small lever of the mechanically separable hemostatic forceps device in an embodiment of the present invention;
FIG. 13 is an elevation view of the coupler communicating portions of the mechanically separable hemostat device in an embodiment of the present invention;
FIG. 14 is a top view of the coupler communicating portions of the mechanically separable hemostat device in an embodiment of the present invention;
FIG. 15 is an elevation view of a coupler of the mechanically separable hemostat device in an embodiment of the present invention;
FIG. 16 is a top view of a coupler of the mechanically separable hemostat device in an embodiment of the present invention;
FIG. 17 is a schematic view of a clip removal assembly of the mechanically separable hemostatic clip device, in accordance with an embodiment of the present invention;
FIG. 18 is a front end view of a shaft of a grasping element of the mechanically separable hemostatic forceps device, in accordance with an embodiment of the present invention;
FIG. 19 is a schematic view of the end of the push pin extending out of the shaft at the front end of the push rod of the mechanically separable hemostatic forceps device, in accordance with an embodiment of the present invention;
FIG. 20 is a schematic view of the rear end of the push rod of the mechanically separable hemostat device in an embodiment of the present invention;
FIG. 21 is a schematic view of the front contoured head of the grasping element of the mechanically separable hemostatic forceps device hooking the clamping head closed at the site of hemostasis in an embodiment of the present invention;
fig. 22 is a schematic view of the clamping head of the clamping assembly of the mechanically separable hemostatic forceps device of an embodiment of the present invention expanding the clamping head.
Detailed Description
In order to make the technical means and functions of the present invention easy to understand, the present invention is specifically described below with reference to the embodiments and the accompanying drawings.
Example (b):
as shown in fig. 1 and 2, a separable mechanical hemostatic forceps device 100 of the present embodiment includes: a placement assembly and a forceps-removal assembly.
The placement component is used for placing the chuck 6 and placing the chuck in the hemostasis position and then falling off, and comprises a replaceable storage bin 1, a hollow rod body 2, a first push rod, a pull rod 4 and a connector 5, wherein the replaceable storage bin 1 is stored with a plurality of sequentially arranged chucks 6, the hollow rod body 2 is communicated with the replaceable storage bin 1, the plurality of sequentially arranged chucks 6 are arranged in the replaceable storage bin, the first push rod is arranged at the tail end of the hollow rod body 2, the pull rod 4 is arranged above the hollow rod body 2 and the first push rod 3, and the connector 5 is used for connecting the replaceable storage bin 1, the hollow rod body 2, the first push rod and the pull rod 4.
As shown in fig. 3, a plurality of sequentially arranged chucks 6 are stored in the replaceable storage bin 1, a bottom plate 101 is disposed at the bottom of the replaceable storage bin 1, two springs 102 for providing an upward acting force to push the chucks 6 into the coupler 5 and further into the hollow rod 2 and a moving plate 103 connected to the top ends of the two springs 102 are fixed on the bottom plate 101, and the sequentially arranged chucks 6 are disposed above the moving plate 103.
The number of the chucks in the replaceable storage bin is 8-10, and the number of the chucks in the hollow rod body is 10-15.
As shown in fig. 4-6, the clamp 6 includes a clamp housing 601, a fixed clamp 602 fixedly connected to the clamp housing 601 by a rivet, a rotary clamp 603 movably connected to the clamp housing 601 by a hinge, a second push rod 604 disposed at the end of the clamp housing 601, a notch 606 connected to a tail rod 605 of the rotary clamp 603 and integrally formed with the second push rod 604, a first spring 607 disposed between the tail of the fixed clamp 602 and the notch 606, and a second spring 608 disposed between the second push rod 604 and the tail rod 605 of the rotary clamp 603.
The tail rod 605 is tangent to the notch 606, and when the first push rod 3 moves, a longitudinal force is generated to move the tail rod of the rotating jaw 603 of the closed chuck 6 downwards, so that the chuck 6 is driven to open.
The first spring 607 is a leaf spring, the second spring 608 is a coil spring, and the first spring 607 and the second spring 608 have large stiffness coefficients.
The end of the fixed binding clip 602 is provided with a first through hole, the binding clip 601 is provided with a fixing hole, the first through hole is connected with the fixing hole through a rivet, so that the fixed binding clip is fixed on the binding clip 601, the tail rod of the rotary binding clip 603 is provided with a second through hole, the connecting piece 609 connected on the notch 606 is provided with a third through hole, and the second through hole is connected with the third through hole through a hinge.
Sliding friction is generated between the rotary tong head 603 and the second push rod 604, so that the forward displacement of the second push rod 604 is converted into longitudinal displacement, and rotation is realized.
As shown in fig. 7-15, the pull rod 4 is disposed above the hollow rod body 2 and the first push rod 3, one end of the pull rod 4 is provided with a small spring 7, and the other end is connected with a small lever 8 for limiting the next chuck 6 in the hollow rod body 2 from falling along with the first chuck 6.
The small lever 8 and the hollow rod body 2 are sleeved with a spring ring 9, and the spring ring 9 and the small spring 7 are matched to provide restoring force together for controlling the small lever 8 to keep the front end to be declined.
The two end parts of the small lever 8 are respectively provided with a first boss 801 and a second boss 802, the first boss 801 at the front end is used for controlling the chuck 6 not to be pushed out of the hollow rod body 2 when being stressed, and the second boss 802 at the rear end is used for controlling the next chuck 6 not to fall out of the hollow rod body 2.
The first boss 801 moves forward along with the chuck 6 and is buckled into the chuck groove, so that the chuck 6 is not pushed out of the hollow rod body 2 when being stressed, the chuck 6 which is clamped can be separated from the hollow rod body 2 when the chuck 6 tilts backwards, the second boss 802 limits the falling of the next chuck 6 out of the hollow rod body 2, and the actions need to be matched with the first push rod 3.
The upper portion of little lever 8 is seted up with the first protruding portion 401 friction fit's of pull rod 4 front end semicircle arc groove 803, the lower part is provided with the concave arc groove 804 with the second protruding portion 201 friction fit at hollow body of rod 2 top, when accomplishing pull rod 4 backward pulling, little lever 8 receives backward effort, because two kinds of arc groove conversion parts lead to leaning back for the effort of going down, and receive little spring 7's effect and spring coil 9's downward effort under the circumstances of not applying force, thereby keep the state of leaning forward.
The pull rod 4 controls a small lever 7 for releasing and clamping the effect of the front section chuck 6, and the tail part of the pull rod 4 is provided with a circular pull ring 10 which is mainly used for applying pulling force and fixing the small spring 7.
As shown in fig. 15 and 16, the coupler 5 is a hollow structure for coupling the replaceable cartridge 1, the hollow rod body 2, the first push rod 3 and the pull rod 4, and is fixed by a slot or a screw, etc., and has a front hollow tube for inserting the hollow rod body 2, a lower through hole for inserting the replaceable cartridge 1, and a rear through hole for receiving the first push rod 3.
The lower part of the coupler 5 is approximately rectangular and provided with round corners, and the round corners are in accordance with the ergonomics and are comfortable to hold.
As shown in fig. 17-22, the forceps assembly for removing the clamping head 6 at the hemostatic site includes a rod 11, a front-shaped head 12 disposed at an end of the rod 11 and used for hooking the clamping head 6 at the hemostatic site, two push rod rails 13 disposed inside the rod 11, a push pin 14 disposed between the two push rod rails 13, and a push-pull member 15 disposed at a rear end of the rod 11 and connected to the push pin 14.
The push rod track 13 is sleeved with a return spring 16, and the return spring 16 is used for hiding the push needle 14 in the rod body 11.
In this embodiment, each component is made of alloy and engineering plastic with high strength.
The working process of the mechanical separable hemostatic forceps device of the embodiment is as follows:
in the mechanical separable hemostatic forceps device 100 of this embodiment, the first push rod 3 is pushed to contact the second push rod 604 of the last collet 6 in the hollow shaft 2, so that the pushing force is sequentially transmitted to the first collet 6, the rotating jaw 63 of the first collet 6 is rotated and then opened, and then is placed at a site requiring hemostasis, then the force on the first push rod 3 is removed, the first push rod is returned to the initial position by the return spring 304, at the same time, the collet 6 is closed by the action of the first spring and the second spring in the collet 6, and then the first collet 6 falls, and at the same time when the force is removed, the next collet 6 in the hollow shaft 2 is restricted from falling along with the first collet 6 by the small lever 8 connected to the pull rod 4, and then, the moving plate 13 is moved upward by the action of the spring 12 to push the uppermost collet 6 of the replaceable storage container 1 into the empty position in the hollow shaft 2, hemostasis is then continued and the process is repeated until the cartridge 6 in the replaceable cartridge 1 is used up and a new replaceable cartridge 1 is replaced for use. After the blood stops, the front structural head 13 hooks the concave gap of the clamping head 6 at the hemostasis position, then the pushing needle 15 is pushed to open the clamping head 6, then the clamping head 6 is taken down, the force applied to the pushing and pulling piece 16 is removed, the pushing needle 15 retracts into the rod body 11 under the action of the return spring 17, and the forceps taking assembly returns to the initial state.
Effects and effects of the embodiments
According to the mechanical separable hemostatic forceps device of the embodiment, because a plurality of chucks are stored in the replaceable storage bin for placing the component, hemostasis can be performed without a multi-rod traditional forceps, and the chucks can be replaced after being used; because the hollow rod body of the storage component is communicated with the replaceable storage bin and the bottom plate of the replaceable storage bin is fixedly provided with two springs for providing upward acting force, the chuck in the replaceable storage bin can enter the hollow rod body; because the first push rod of the placing component is arranged at the tail end of the hollow rod body and the push needle and the push rod track are arranged in the first push rod, the chuck can be pushed to move in the hollow rod body; because the pull rod of the placing component is arranged above the hollow rod body and the first push rod, one end of the pull rod is provided with the small spring, and the other end of the pull rod is connected with the small lever, the next chuck in the hollow rod body can be limited from falling along with the first chuck; because the coupler of the placing component is of a hollow structure, the replaceable storage bin, the hollow rod body, the first push rod and the pull rod can be connected together; since the collet has the first spring and the second spring, a restoring force that restores the collet to the initial closed state can be provided; because the forceps taking assembly is provided with the right-angle front configuration head, the push needle and the push-pull piece, the main acting force generated by the front configuration head is parallel to the rod body, and the radial force ratio is smaller, so that the crushing probability is reduced, the lower concave notch of the chuck can be hooked, the chuck is ensured not to move left and right, and meanwhile, the push needle can oppositely apply force; because the push rod track is sleeved with the return spring, the return force can be provided, and the push needle can be hidden in the rod body under the normal condition of the return spring.
According to the mechanical separable hemostatic forceps device of the present embodiment, the first through hole provided at the end of the fixed forceps head is connected to the fixing hole provided in the forceps shell by the rivet, so that the fixed forceps head can be fixed to the forceps shell; because the second through hole that is equipped with on the tail-stock of rotating the binding clip and the third through hole that is equipped with on the connecting piece on the notch are through hinged joint, so rotate the binding clip and can rotate.
According to the mechanical separable hemostatic forceps device, the spring ring which is matched with the small spring and provides restoring force together is sleeved outside the small lever and the hollow rod body, so that the small lever can be controlled to keep a downward inclined state of the front end under normal conditions and be buckled at the concave gap of the clamping head.
According to the mechanical separable hemostatic forceps device of the present embodiment, since the small lever is provided with the bosses at both ends thereof, the movement of the collet can be restricted, and the position of the small lever can be controlled.
Therefore, the mechanical separable hemostatic forceps device of the embodiment can perform effective hemostasis, can supply the chucks infinitely outside the body through the replaceable storage bin, makes the chuck convenient to provide, can be separable, can avoid the influence on the operation process and the treatment time caused by inconvenience in the minimally invasive operation process caused by multiple manual operations, and can not interfere with the operation while keeping the operable space of the minimally invasive operation.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.

Claims (7)

1. A separable mechanical hemostat device, comprising:
the placement assembly is used for placing the chucks and placing the chucks at the hemostasis position to be fallen off, and comprises a replaceable storage bin, a hollow rod body, a first push rod, a pull rod and a connector, wherein a plurality of sequentially arranged chucks are stored in the replaceable storage bin; and
the forceps taking assembly is used for taking down the chuck at the hemostasis position and comprises a rod body, a front configuration head which is arranged at the end part of the rod body and is used for hooking the concave notch of the chuck at the hemostasis position, two push rod tracks which are arranged inside the rod body, a push needle which is arranged between the two push rod tracks and a push-pull piece which is arranged at the rear end of the rod body and is connected with the push needle,
wherein, the bottom of the replaceable storage bin is provided with a bottom plate, the bottom plate is fixed with two springs for providing upward acting force to push the chucks into the coupler to enter the hollow rod body and a movable plate connected with the top ends of the two springs, the chucks are arranged above the movable plate in sequence,
the chuck comprises a caliper shell, a fixed caliper head fixedly connected with the caliper shell through a rivet, a rotating caliper head movably connected with the caliper shell through a hinge, a second push rod arranged at the tail end of the caliper shell, a notch connected with a tail rod of the rotating caliper head and integrally formed with the second push rod, a first spring arranged between the tail part of the fixed caliper head and the notch, and a second spring arranged between the second push rod and the tail rod of the rotating caliper head,
one end of the pull rod is provided with a small spring, the other end of the pull rod is connected with a small lever which is used for limiting the next chuck in the hollow rod body not to fall off along with the first chuck,
the push rod track is sleeved with a return spring, and the return spring is used for hiding the push needle in the rod body.
2. The mechanically separable hemostatic forceps device of claim 1, wherein:
the number of the clamping heads in the replaceable storage bin is 8-10, and the number of the clamping heads in the hollow rod body is 10-15.
3. The mechanically separable hemostatic forceps device of claim 1, wherein:
wherein, the end part of the fixed binding clip is provided with a first through hole, the binding clip shell is provided with a fixed hole, the first through hole is connected with the fixed hole through the rivet, thereby fixing the fixed binding clip on the binding clip shell,
the tail rod of the rotary binding clip is provided with a second through hole, the connecting piece connected to the notch is provided with a third through hole, and the second through hole is connected with the third through hole through a hinge.
4. The mechanically separable hemostatic forceps device of claim 1, wherein:
the first spring is a spiral spring, and the second spring is a tablet spring.
5. The mechanically separable hemostatic forceps device of claim 1, wherein:
wherein the coupler has a front hollow tube for inserting the hollow rod body, a lower through hole for inserting the replaceable storage bin, and a rear through hole for receiving the first push rod.
6. The mechanically separable hemostatic forceps device of claim 1, wherein:
the small lever and the hollow rod body are sleeved with a spring ring, and the spring ring is matched with the small spring to provide restoring force together and is used for controlling the small lever to keep the front end of the small lever to incline downwards.
7. The mechanically separable hemostatic forceps device of claim 1, wherein:
wherein, the two ends of the small lever are respectively provided with a first boss and a second boss, the first boss at the front end is used for controlling the chucks not to be pushed out of the hollow rod body when being stressed, the second boss at the rear end is used for controlling the next chuck not to fall out of the hollow rod body,
the upper part of the small lever is provided with a semi-circular arc groove in friction fit with the first protruding part at the front end of the pull rod, and the lower part of the small lever is provided with a lower concave arc groove in friction fit with the second protruding part at the top of the hollow rod body.
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CN112690863B (en) * 2019-10-23 2022-04-29 苏州英途康医疗科技有限公司 Clamping device and surgical operation instrument
CN112716558B (en) * 2019-10-28 2022-03-18 苏州英途康医疗科技有限公司 Clamping device and surgical operation instrument

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