CN211022876U

CN211022876U - Vascular clamping device for vascular surgery

Info

Publication number: CN211022876U
Application number: CN201920875295.5U
Authority: CN
Inventors: 陈洪伟; 张雷杨; 陈鑫; 楼文胜; 柴浩; 孙光孝
Original assignee: Nanjing First Hospital
Current assignee: Nanjing First Hospital
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-07-17
Anticipated expiration: 2029-05-29

Abstract

A blood vessel clamping device for vascular surgery relates to the technical field of medical instruments, and a telescopic rod is fixedly arranged on the opposite surface of the lower sides of a first clamping arm and a second clamping arm; a compression spring is sleeved outside the telescopic rod; the outer sides of the first clamping arm and the second clamping arm on the upper side of the telescopic rod are covered with fixing sleeves; a rack is fixedly arranged on the left side wall of the first clamping arm at the lower side of the pin shaft, a gear is rotatably arranged on the left side inside the fixed sleeve through a rotating shaft, the front end and the rear end of the rotating shaft are rotatably embedded on the front side wall and the rear side wall of the fixed sleeve, and the gear is meshed with the rack; the front end of the rotating shaft penetrates through the front side wall of the fixing sleeve and is fixedly connected with the middle part of the hand wrench; the fixed two elasticity compact heap that are provided with of symmetry on the opposite face of a centre gripping arm and No. two centre gripping arm upper ends can make things convenient for medical personnel to carry out centre gripping work to the blood vessel for a long time, prevents that medical personnel from producing fatigue, and the operation is fairly simple, makes things convenient for medical personnel to use, has improved operating efficiency.

Description

Vascular clamping device for vascular surgery

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to vascular clamping device for vascular surgery.

Background

In long-term clinical practice, doctor personnel are using the vascular clamp for patient's operation in-process, and ordinary vascular clamp complex operation needs a large amount of time to operate to doctor personnel need press the vascular clamp very easily tired for a long time when inserting the vascular clamp, and inconvenient doctor personnel operate and use and reduce operating efficiency, await urgent need to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a reasonable in design, convenient to use's vascular clamping device for vascular surgery, can make things convenient for medical personnel long-time carry out the centre gripping work to the blood vessel, prevent that medical personnel from producing fatigue, the operation is fairly simple, makes things convenient for medical personnel to use, has improved operating efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: the clamping device comprises a first clamping arm, a second clamping arm and a pin shaft, wherein the first clamping arm and the second clamping arm are arranged in a left-right crossing manner, and the upper side of the second clamping arm penetrates through the middle of the upper side of the first clamping arm and then is rotatably connected with the first clamping arm through the pin shaft; the device also comprises an elastic pressing block, a rack, a fixed sleeve, a rotating shaft, a gear, a hand screw, a telescopic rod and a compression spring; the opposite surfaces of the lower sides of the first clamping arm and the second clamping arm are fixedly provided with telescopic rods, and the left end and the right end of each telescopic rod are respectively fixed on the side walls of the first clamping arm and the second clamping arm; the outer side of the telescopic rod is sleeved with a compression spring, and the left end and the right end of the compression spring are respectively abutted against the side walls of the first clamping arm and the second clamping arm; the outer sides of the first clamping arm and the second clamping arm on the upper side of the telescopic rod are covered with fixing sleeves; a rack is fixedly arranged on the left side wall of the first clamping arm at the lower side of the pin shaft, a gear is rotatably arranged on the left side inside the fixed sleeve through a rotating shaft, the front end and the rear end of the rotating shaft are rotatably embedded on the front side wall and the rear side wall of the fixed sleeve, and the gear is meshed with the rack; the front end of the rotating shaft penetrates through the front side wall of the fixing sleeve and is fixedly connected with the middle part of the hand wrench; two elastic pressing blocks are symmetrically and fixedly arranged on opposite surfaces of the upper ends of the first clamping arm and the second clamping arm.

Furthermore, two finger rings are symmetrically and fixedly arranged on the surfaces of the first clamping arm and the second clamping arm, which are opposite to each other at the bottom ends of the first clamping arm and the second clamping arm.

Furthermore, the fixed cover be trapezoidal fixed cover, the gradient of the left and right sides wall of fixed cover cooperatees with the gradient of a centre gripping arm and No. two centre gripping arms and sets up.

Furthermore, a plurality of guide wheels are rotatably arranged on the right side wall inside the fixed sleeve through a wheel seat; a sliding groove is fixedly formed in the right side wall of the second clamping arm; the guide wheel is arranged inside the sliding groove in a rolling mode.

Furthermore, a buckle is fixedly arranged on the left side wall of the upper end of the second clamping arm, a tightening rope penetrates through the middle of the buckle, and two ends of the tightening rope are connected through an elastic tightening buckle.

Furthermore, the opposite surfaces of the elastic pressing blocks are concave surfaces, and anti-skid gaskets are fixedly attached to the two concave surfaces.

After the structure is adopted, the utility model discloses beneficial effect does: a vascular clamping device for vascular surgery, can make things convenient for medical personnel long-time to carry out centre gripping work to the blood vessel, prevent that medical personnel from producing fatigue, the operation is fairly simple, makes things convenient for medical personnel to use, has improved operating efficiency, the utility model has the advantages of simple structure, it is reasonable to set up, the cost of manufacture is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a schematic view of the connection structure of the fixing sleeve, the first clamping arm, the second clamping arm and the gear of the present invention.

Fig. 4 is a schematic structural view of the hand screw of the present invention.

Description of reference numerals:

the clamping device comprises a first clamping arm 1, a second clamping arm 2, a pin shaft 3, an elastic pressing block 4, a rack 5, a fixing sleeve 6, a rotating shaft 7, a gear 8, a hand screw 9, a telescopic rod 10, a compression spring 11, a ring 12, a guide wheel 13, a sliding groove 14, a ring buckle 15, a tightening rope 16, an elastic tightening buckle 17 and an anti-skidding gasket 18.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: the hemostatic forceps comprise a first clamping arm 1, a second clamping arm 2 and a pin shaft 3, wherein the first clamping arm 1 and the second clamping arm 2 are arranged in a left-right crossed manner, the upper side of the second clamping arm 2 penetrates through the middle of the upper side of the first clamping arm 1 and then is rotatably connected with the first clamping arm 1 through the pin shaft 3, and the first clamping arm 1 and the second clamping arm 2 are connected in the same manner as the cross connection manner of the forceps arms of the hemostatic forceps in the prior art and are used in the same manner; the device also comprises an elastic pressing block 4, a rack 5, a fixed sleeve 6, a rotating shaft 7, a gear 8, a hand screw 9, an expansion link 10 and a compression spring 11; the opposite surfaces of the lower sides of the first clamping arm 1 and the second clamping arm 2 are fixedly welded with a telescopic rod 10, the structure of the telescopic rod 10 is the same as the telescopic principle of an umbrella handle, and the left end and the right end of the telescopic rod 10 are respectively fixedly welded on the side walls of the first clamping arm 1 and the second clamping arm 2; the compression spring 11 is sleeved on the outer side of the telescopic rod 10, and the left end and the right end of the compression spring 11 are respectively abutted to the side walls of the first clamping arm 1 and the second clamping arm 2, so that the first clamping arm 1 and the second clamping arm 2 can be conveniently separated; the fixed sleeves 6 are covered on the outer sides of the first clamping arm 1 and the second clamping arm 2 on the upper side of the telescopic rod 10; a rack 5 is fixedly welded on the left side wall of the first clamping arm 1 at the lower side of the pin shaft 3, a gear 8 is rotatably arranged on the left side inside the fixed sleeve 6 through a rotating shaft 7, the front end and the rear end of the rotating shaft 7 are rotatably embedded on the front side wall and the rear side wall of the fixed sleeve 6, the connecting part of the rotating shaft 7 and the fixed sleeve 6 is in friction connection, and the gear 8 is meshed with the rack 5; the front end of the rotating shaft 7 penetrates through the front side wall of the fixed sleeve 6 and is fixedly connected with the middle part of the hand screw 9 through a bolt; two elastic pressing blocks 4 are symmetrically and fixedly arranged on opposite surfaces of the upper ends of the first clamping arm 1 and the second clamping arm 2, and the elastic pressing blocks 4 can guarantee that the clamping process does not affect the elasticity of blood vessels.

Furthermore, two finger rings 12 are symmetrically and fixedly arranged on the surfaces of the first clamping arm 1 and the second clamping arm 2, which are opposite to each other, and the finger rings 12, the first clamping arm 1 and the second clamping arm 2 are integrally formed.

Further, fixed cover 6 be trapezoidal fixed cover 6, the gradient of the wall of the left and right sides of fixed cover 6 matches with the gradient setting of a centre gripping arm 1 and No. two centre gripping arms 2, more conveniently fixes a centre gripping arm 1 and No. two centre gripping arms 2.

Furthermore, a plurality of guide wheels 13 are rotatably arranged on the right side wall inside the fixed sleeve 6 through wheel seats; a sliding groove 14 is fixedly formed in the right side wall of the second clamping arm 2; the guide wheel 13 is arranged inside the sliding groove 14 in a rolling manner, so that the fixing sleeve 6 can slide up and down more smoothly.

Further, No. two fixed buckles 15 that are provided with on the left side wall of centre gripping arm 2 upper end, the intermediate portion of buckle 15 is worn to be equipped with and is restrainted tight rope 16, and the both ends of restrainting tight rope 16 are buckled 17 through elasticity tightening and are connected, and elasticity tightening and detain 17 is the same with the structure and the principle of the tightening and detaining on the clothing cap among the prior art, can tighten up the perimeteric clothing cloth of blood vessel that needs the centre gripping through restrainting tight rope 16, can prevent that the clothing from hindering medical personnel's sight.

Furthermore, the opposite surfaces of the elastic pressing block 4 are both concave surfaces, and in order to fit the peripheral shape of the blood vessel, the two concave surfaces are fixedly provided with anti-slip gaskets 18, so that the surfaces of the blood vessel are prevented from slipping.

The working principle of the specific embodiment is as follows: when medical staff need to clamp a blood vessel, fingers of the medical staff penetrate through the middle of the finger ring 12, the two elastic pressing blocks 4 are aligned to the blood vessel part needing to be clamped, the two fingers are folded beyond the middle, the upper ends of the first clamping arm 1 and the second clamping arm 2 are also folded towards the middle, the two elastic pressing blocks 4 can clamp the blood vessel in the middle, and the elastic arrangement of the elastic pressing blocks 4 can effectively prevent the blood vessel from being damaged; at this moment, the rotating hand is used for screwing 9, the gear 8 is meshed with the rack 5, the gear 8 rotates to drive the fixed sleeve 6 to move downwards, the fixed sleeve 6 is abutted to the outer sides of the first clamping arm 1 and the second clamping arm 2, the hand on the ring 12 is loosened, the first clamping arm 1 and the second clamping arm 2 are tightly sleeved by the fixed sleeve 6, and therefore the blood vessel can be clamped for a long time, and the operation is simple.

After adopting above-mentioned structure, this embodiment beneficial effect does:

1. the fixing sleeve 6 tightly fixes the first clamping arm 1 and the second clamping arm 2, so that medical staff can conveniently clamp blood vessels for a long time, and the medical staff is prevented from being fatigued;

2. the use mode of a centre gripping arm 1 and No. two centre gripping arms 2 is the same with the use mode of hemostatic forceps among the prior art, and the operation is fairly simple, makes things convenient for medical personnel to use, has improved operating efficiency.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A blood vessel clamping device for vascular surgery comprises a first clamping arm (1), a second clamping arm (2) and a pin shaft (3), wherein the first clamping arm (1) and the second clamping arm (2) are arranged in a left-right crossed mode, and the upper side of the second clamping arm (2) penetrates through the middle of the upper side of the first clamping arm (1) and then is rotatably connected with the first clamping arm (1) through the pin shaft (3); the method is characterized in that: the device also comprises an elastic pressing block (4), a rack (5), a fixed sleeve (6), a rotating shaft (7), a gear (8), a hand screw (9), an expansion link (10) and a compression spring (11); the opposite surfaces of the lower sides of the first clamping arm (1) and the second clamping arm (2) are fixedly provided with telescopic rods (10), and the left end and the right end of each telescopic rod (10) are respectively fixed on the side walls of the first clamping arm (1) and the second clamping arm (2); a compression spring (11) is sleeved on the outer side of the telescopic rod (10), and the left end and the right end of the compression spring (11) are respectively abutted against the side walls of the first clamping arm (1) and the second clamping arm (2); the outer sides of the first clamping arm (1) and the second clamping arm (2) on the upper side of the telescopic rod (10) are covered with a fixed sleeve (6); a rack (5) is fixedly arranged on the left side wall of the first clamping arm (1) on the lower side of the pin shaft (3), a gear (8) is rotatably arranged on the left side inside the fixed sleeve (6) through a rotating shaft (7), the front end and the rear end of the rotating shaft (7) are rotatably embedded on the front side wall and the rear side wall of the fixed sleeve (6), and the gear (8) is meshed with the rack (5); the front end of the rotating shaft (7) penetrates through the front side wall of the fixed sleeve (6) and is fixedly connected with the middle part of the hand screw (9); two elastic pressing blocks (4) are symmetrically and fixedly arranged on opposite surfaces of the upper ends of the first clamping arm (1) and the second clamping arm (2).

2. The vascular-clamping device for vascular surgery of claim 1, wherein: two finger rings (12) are symmetrically and fixedly arranged on the surfaces of the first clamping arm (1) and the second clamping arm (2) on the back of the bottom ends.

3. The vascular-clamping device for vascular surgery of claim 1, wherein: fixed cover (6) be trapezoidal fixed cover (6), the gradient of the left and right sides wall of fixed cover (6) cooperatees with the gradient setting of a centre gripping arm (1) and No. two centre gripping arms (2).

4. The vascular-clamping device for vascular surgery of claim 1, wherein: a plurality of guide wheels (13) are rotatably arranged on the right side wall inside the fixed sleeve (6) through wheel seats; a sliding groove (14) is fixedly formed in the right side wall of the second clamping arm (2); the guide wheel (13) is arranged inside the sliding groove (14) in a rolling mode.

5. The vascular-clamping device for vascular surgery of claim 1, wherein: a buckle (15) is fixedly arranged on the left side wall of the upper end of the second clamping arm (2), a tightening rope (16) penetrates through the middle of the buckle (15), and two ends of the tightening rope (16) are connected through elastic tightening buckles (17).

6. The vascular-clamping device for vascular surgery of claim 1, wherein: the opposite surfaces of the elastic pressing blocks (4) are concave surfaces, and anti-skid gaskets (18) are fixedly attached to the two concave surfaces.