CN218458143U

CN218458143U - Hepatic portal blocking forceps

Info

Publication number: CN218458143U
Application number: CN202220765728.3U
Authority: CN
Inventors: 孙延富; 白石磊; 刘建伟; 薛峰
Original assignee: Third Affiliated Hospital Of Chinese People's Liberation Army Naval Medical University
Current assignee: Third Affiliated Hospital Of Chinese People's Liberation Army Naval Medical University
Priority date: 2022-04-05
Filing date: 2022-04-05
Publication date: 2023-02-10
Anticipated expiration: 2032-04-05

Abstract

The utility model discloses a pincers are blocked to hepatic portal, include first tong arm of articulated and second tong arm under the pivot effect, the front end of first tong arm and second tong arm is provided with first block portion and second block portion respectively, first tong arm and second tong arm tail end all are provided with holds the ring, first tong arm side is provided with fixed subassembly, fixed subassembly is including the slide rail of seting up the spout, second tong arm bottom is fixed with the locating piece, the locating piece top is provided with the connecting rod that runs through second tong arm and spout, the spiro union has the nut on the connecting rod. The utility model has the advantages of being scientific and reasonable in structural design, can conveniently adjust and block the dynamics to can be fixed with both locks fast when first tong arm and second tong arm open mutually, thereby can avoid manpower to grip always and block pincers and extravagant doctor's physical power, the person of facilitating the use carries out follow-up work.

Description

Hepatic portal blocking forceps

Technical Field

The utility model relates to the technical field of medical equipment, specifically a porta hepatis blocks pincers.

Background

The hepatic portal occlusion operation is a step performed by hepatobiliary surgery to reduce bleeding before the operation of the liver, and the hepatic portal occlusion step is to pass a sterile occlusion band and the like through a portal vein and hepatic artery of the liver and other blood vessels to be occluded, and then tightly clamp the occlusion band through a clamping clamp to occlude hepatic blood flow and reduce bleeding in the liver operation. The structure of the hepatic portal blocking belt clamping pincers in the prior art is relatively simple, mostly is that the manpower is held tightly to block in the use, causes medical personnel physical weakness easily when the blocking effect is maintained for a long time, can't satisfy the long-time blocking demand, and is difficult for carrying out nimble regulation, and the practicality is relatively poor. To this end, we propose a portal blocking clamp.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a porta hepatis blocks pincers to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hepatic portal blocking forceps, includes first tong arm and second tong arm of articulated under the pivot effect, the front end of first tong arm and second tong arm is provided with first blocking portion and second blocking portion respectively, first tong arm and second tong arm tail end all are provided with holds the ring, first tong arm side is provided with fixed subassembly, fixed subassembly is including the slide rail of seting up the spout, second tong arm bottom is fixed with the locating piece, the locating piece top is provided with the connecting rod that runs through second tong arm and spout, the spiro union has the nut on the connecting rod.

Preferably, the first tong arm and the second tong arm are provided with butt-joint rods at the inner sides, and magnetic sheets which are mutually adsorbed are arranged at the end parts of the two butt-joint rods.

Preferably, the slide rail is fixed on the side surface of the first clamp arm, and a limiting block is arranged at the other end of the slide rail.

Preferably, the connecting rod is sleeved with a gasket, and a stop block is fixed at the end part of the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of pincers are blocked to hepatic portal, structural design is simple reasonable, has stronger practicality, through setting up the slide rail, the spout, the stopper, the locating piece, the connecting rod, the positioning mechanism that nut and dog isotructure are constituteed, can conveniently adjust and block the dynamics, and can be fixed with both locks fast when first tong arm and second tong arm open mutually, thereby can avoid manpower always to grip and block pincers and extravagant doctor's physical power, the person of facilitating the use carries out follow-up work, bring the convenience for medical staff, and easy operation is convenient, the flexibility degree is high, high stability, and has good work effect.

Drawings

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

Fig. 2 is a schematic structural diagram of the connecting rod positioning mechanism of the present invention.

In the figure: the clamp comprises a first clamp arm 1, a first blocking part 11, a second clamp arm 12, a second blocking part 13, a pivot 15, a holding ring 16, a butt joint rod 17, a magnetic sheet 18, a fixing component 2, a sliding rail 21, a sliding groove 22, a limiting block 23, a positioning block 24, a connecting rod 25, a washer 26, a nut 27 and a stop 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a porta hepatis blocks pincers, includes first tong arm 1 and second tong arm 12 of articulated under pivot 15 effect, the front end of first tong arm 1 and second tong arm 12 is provided with first portion 11 and the second portion 13 that blocks respectively, because the porta hepatis structure that needs to block has certain internal and external diameter, so this design product is under closed state, and the pincers head end designs into the form that can not close completely, can not harm the important structure of centre gripping like this, is convenient for carry out the stylolite and presss from both sides tightly and the operation of knoing, has enlarged the application scope of device.

The tail ends of the first forceps arm 1 and the second forceps arm 12 are both provided with a holding ring 16, when the forceps are used, a medical worker inserts fingers into the two holding rings 16, opening and closing of the blocking forceps are completed through finger extension, firstly, the two holding rings 16 are made to move towards the direction away from each other, the first forceps arm 1 and the second forceps arm 12 rotate relatively, at the moment, the end parts of the first blocking part 11 and the second blocking part 13 are separated, then, a blood vessel or a corresponding tissue to be blocked is placed into the first blocking part 11 and the second blocking part 13, then, the holding rings 16 are rotated to enable the first blocking part 11 and the second blocking part 13 to clamp the blood vessel to a certain degree to form a blocking effect, abutting rods 17 are arranged on the inner sides of the first forceps arm 1 and the second forceps arm 12, the end parts of the two abutting rods 17 are provided with mutually adsorbed 18, and the two groups of holding rings 16 are mutually attached through the two magnetic sheets 18 which are adsorbed in opposite directions.

The side of the first clamp arm 1 is provided with a fixed component 2, the fixed component 2 comprises a slide rail 21 provided with a slide groove 22, the slide rail 21 is fixed on the side of the first clamp arm 1, the other end of the slide rail 21 is provided with a limit block 23, the bottom of the second clamp arm 12 is fixed with a locating block 24, the top of the locating block 24 is provided with a connecting rod 25 penetrating through the second clamp arm 12 and the slide groove 22, the connecting rod 25 is screwed with a nut 27, a user tightens the connecting rod 25 by rotating the nut 27, so that the slide rail 21 and the second clamp arm 12 can be fixed, a stable supporting mechanism is formed between the structure and the first clamp arm 1, and the first blocking part 11 and the second blocking part 13 can keep blocking effects for a long time.

The cover is equipped with packing ring 26 on the connecting rod 25, just connecting rod 25 end fixing has dog 28, through setting up slide rail 21, spout 22, stopper 23, locating piece 24, connecting rod 25, the positioning mechanism that nut 27 and dog 28 isotructure are constituteed, can conveniently adjust and block the dynamics, and can lock both fixed fast when first tong arm 1 and second tong arm 12 open mutually, thereby can avoid manpower always to grip and block pincers and extravagant doctor's physical power, the person of facilitating the use carries out follow-up work, for medical staff has brought the convenience, and easy operation is convenient, flexible degree is high, and stability is strong, and good working effect is achieved.

The working principle is as follows:

the utility model provides a hepatoma blocking forceps, make two sets of ring 16 of holding mutually laminate through two magnetic sheets 18 that opposite sex attracted, when specifically using, medical personnel insert the finger in two ring 16 of holding, accomplish the switching work of blocking forceps through finger extension, at first make two ring 16 move to the direction of keeping away from each other, first tong arm 1 rotates with second tong arm 12 relatively, first blocking portion 11 and the tip separation of second blocking portion 13 this moment, will need to carry out the blood vessel of blocking or correspond the tissue and put into first blocking portion 11 and second blocking portion 13 afterwards, rotate ring 16 afterwards and make first blocking portion 11 and second blocking portion 13 press from both sides the blood vessel tight to a certain degree and form and block the effect, if need keep this effect for a long time, the user makes it tighten up on connecting rod 25 through swivel nut 27, thereby can fix slide rail 21 and second tong arm 12, form stable supporting mechanism between above-mentioned structure and the first tong arm 1, thereby make first blocking portion 11 and second blocking portion 13 keep the effect for a long time, the staff need not keep the state of blocking for a long time and can make it keep the fixed state with the follow-up the effect again, the further the use of fixing device after having guaranteed that medical personnel can move in the backward direction after the runner 25.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portal blocking forceps comprising first (1) and second (12) forceps arms hinged under a pivot (15), characterized in that: the front ends of the first clamp arm (1) and the second clamp arm (12) are respectively provided with a first blocking portion (11) and a second blocking portion (13), tail ends of the first clamp arm (1) and the second clamp arm (12) are respectively provided with a holding ring (16), a fixing component (2) is arranged on the side face of the first clamp arm (1), the fixing component (2) comprises a sliding rail (21) provided with a sliding groove (22), a positioning block (24) is fixed at the bottom of the second clamp arm (12), a connecting rod (25) penetrating through the second clamp arm (12) and the sliding groove (22) is arranged at the top of the positioning block (24), and a nut (27) is screwed on the connecting rod (25).

2. The portal occlusion clamp of claim 1, wherein: butt joint rods (17) are arranged on the inner sides of the first tong arm (1) and the second tong arm (12), and magnetic sheets (18) which are mutually adsorbed are arranged at the end parts of the two butt joint rods (17).

3. The portal occlusion clamp of claim 1, wherein: the sliding rail (21) is fixed on the side face of the first clamp arm (1), and a limiting block (23) is arranged at the other end of the sliding rail (21).

4. The portal occlusion clamp of claim 1, wherein: the connecting rod (25) is sleeved with a gasket (26), and a stop block (28) is fixed at the end part of the connecting rod (25).