CN209186822U - It is a kind of to prevent from blocking incomplete aortic occlusion clamp - Google Patents

Abstract

It can prevent from blocking incomplete aortic occlusion clamp the utility model discloses a kind of.Including main tong arm (1), one end of main tong arm (1) and secondary tong arm (2) interconnection, main tong arm (1) and pair tong arm (2) is respectively connected with clamp handle (3)；The end of described main tong arm (1) other end is equipped with bending part (4)；When main tong arm (1) and secondary tong arm (2) are closed up, side wall of the end of secondary tong arm (2) other end with bending part (4) close to clamp handle (3) side is contacted；In conclusion the utility model has the characteristics that structure is simple and easy to use and prevents aorta clamping incomplete.

Description

It is a kind of to prevent from blocking incomplete aortic occlusion clamp

Technical field

The utility model relates to a kind of devices of medical field, especially a kind of to prevent from blocking incomplete aorta Block pincers.

Background technique

Aorta clamping is the necessary process of cardiopulmonary bypass surgery, and in the course of surgery, often there is aorta clamping not Complete situation.Most commonly in the operation of huge aortic aneurysms or dissections, since aorta diameter is larger, difficult exposure, And aorta quality is poor, excessive separation and exposure have the risk for causing aortoclasia；In difficult exposure, aorta diameter In the case where very big, whether patient is difficult to determine blocks pincers across AoPW, so be difficult to confirm block it is whether complete.Out The existing incomplete situation of aorta clamping can draw to not cutting aorta, for the patient through catheter needle perfused hearts cardioplegic solution Blood is played through heart lung machine to heart perfusion, causes cardiac arrest perfusion bad, heart cooling is bad, and cardiac arrest is not Satisfied consequence；And the patient of cardioplegic solution is directly perfused under aorta direct-view through coronary opening for cutting, the blood meeting of reflux Surgical exposure is influenced, coronary opening cannot be quickly and effectively found and carry out heart perfusion, so that the Heart after Heat ischemia time extends, the heart Dirty protection is bad, influences cardiac resuccitation, increases operation risk, influences prognosis, severe one is likely to occur because of heart Long Time Thermal ischemic And induce ventricular fibrillation, cardiac arrest and the case where lead to death.Tool for blocking aorta in art is aorta clamping Pincers, aortic occlusion clamp exists when blocking in following disadvantage at present: first is that aortic inner diameter is excessive to cause difficult exposure (especially The patient obviously expanded for aorta ascendens) when, whether patient is difficult to determine blocks pincers across AoPW, and then is difficult to sentence Whether disconnected aorta clamps completely, and then increases operation risk.

Utility model content

It can prevent from blocking incomplete aortic occlusion clamp the purpose of the utility model is to provide a kind of.This is practical new Type has the characteristics that structure is simple and easy to use and prevents aorta clamping incomplete.

The technical solution of the utility model includes: a kind of can prevent from blocking incomplete aortic occlusion clamp, including main tong arm, it is main One end of tong arm and secondary tong arm interconnection, main tong arm and secondary tong arm is respectively connected with clamp handle；The end of the main tong arm other end Portion is equipped with bending part；When main tong arm and secondary tong arm close up, the side of the end of the secondary tong arm other end and bending part close to clamp handle side Wall contact；

It is above-mentioned to prevent from blocking in incomplete aortic occlusion clamp, the main tong arm and secondary tong arm interconnection Connection structure is removably cross connecting structure.

Removably cross connecting structure above-mentioned to prevent from blocking in incomplete aortic occlusion clamp, described is Main tong arm is equipped with connection through-hole, and secondary tong arm is equipped with connecting column, and connecting column side wall is equipped with Clip Reed；The connecting column passes through Connection through-hole is worn, and Clip Reed engages with the aperture for connecting through-hole.

It is above-mentioned to prevent from blocking in incomplete aortic occlusion clamp, it is also set on the connecting column side wall at Clip Reed There is bit-avoiding slot.

Above-mentioned to prevent from blocking in incomplete aortic occlusion clamp, the long L of the bending part is 10~25mm.

Above-mentioned to prevent from blocking in incomplete aortic occlusion clamp, one end of the main tong arm and secondary tong arm connects It is connected to clamp handle, is that one end of main tong arm and secondary tong arm is connected with clamp handle.

Above-mentioned to prevent from blocking in incomplete aortic occlusion clamp, the clamp handle includes hand-held part, hand-held part with Magnetic sleeve connection, magnetic sleeve are placed on the end of main tong arm/pair tong arm one end, and with main tong arm/pair tong arm one end End magnetic connection.

Beneficial effect

Compared with prior art, bending part is arranged in the other end end of main tong arm in the utility model, presss from both sides in major and minor tong arm It holds when closing up, side wall of the end of the secondary tong arm other end with bending part close to clamp handle side contacts；It is such as curved in aorta clamping Folding part is not across AoPW but withstands on aorta wall, and patient can be because being lined with aorta wall between bending part and secondary tong arm The reason of, and feel that folder impatency breaks pincers process by apparent resistance, and then play a warning role；The structure efficiently solves " blocking of straight peen clamps during blocking, and tong arm head end will not be discovered not crossing over AoPW patient (because of art Person can normally lock blocking pincers, so patient often thinks complete blocking, and actually still there are residual cavities for AoPW) " Problem.Above-mentioned warning has prompted patient's aorta clamping incomplete, and patient can readjust position according to warning Or the blocking pincers of other models are replaced, until blocking completely；It can be seen from the above, the utility model is dexterously in the another of main tong arm It holds end that this simple structure of bending part is set, has reached the beneficial effect of " preventing aorta clamping incomplete ", and then reduce Operation risk, significant effect.

The utility model also sets removably cross connecting structure for the cross connecting structure of main tong arm and secondary tong arm, First major and minor tong arm can be separated when use, at this time because main tong arm end is equipped with bending part, right angle forceps can be substituted for separating master Gap is smoothly dug out to main tong arm end in gap between backwall arterial and pulmonary artery between AoPW and pulmonary artery When, then the combination of major and minor tong arm can be blocked into aorta, play the role of two purposes of an instrument；By above structure, have Effect solve " in the patient of difficult exposure, operating space is smaller, the AoPW and pulmonary artery isolated with right angle forceps it Between gap when being placed in blocking pincers again after point good, often accurately cannot find same position and need to separate repeatedly, increase master The problem of the risk of arteriorrhexis ", especially in critical aortic aneurysms or dissections patient emergency operation, above structure can be trouble Person wins material time, saves patient vitals.

The removably cross connecting structure of the utility model is that main tong arm is equipped with connection through-hole, and secondary tong arm is equipped with Connecting column, connecting column side wall are equipped with Clip Reed；The connecting column is through connection through-hole, and Clip Reed and the hole that connect through-hole Mouth engaging；With this configuration, after gap is smoothly dug out between AoPW and pulmonary artery in the main tong arm end of separation, directly It connects and the connecting column on secondary tong arm is inserted into the connection through-hole on main tong arm, until Clip Reed engages with the aperture for connecting through-hole； After engaging, major and minor tong arm combination can hammerlock blocking aorta；After use, when needing to dismantle, direct firmly Clip Reed will be connected Column exits connection through-hole, easy to use, and the major and minor tong arm assembly time is short, does not waste valuable operating time, increases Save the probability of patient vitals.

The connection of the clamp handle of the utility model and major and minor tong arm is movable connection structure, i.e., can between major and minor tong arm and clamp handle Disassembly；The structure can be fixed by major and minor tong arm after aorta clamping, then clamp handle is unloaded, and prevents clamp handle from stopping Surgical field of view, so that more convenient to use.

The clamp handle of the utility model and the movable connection structure of major and minor tong arm are that the magnetic sleeve of clamp handle is placed on main pincers On arm/pair tong arm, disassembly and assembly is all convenient, time saving, keeps surgical procedure easier.

In conclusion the utility model has structure simple and easy to use and prevents the incomplete spy of aorta clamping Point.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of main tong arm；

Fig. 3 is structural schematic diagram of the secondary tong arm in the direction A of Fig. 1.

The label in accompanying drawing is: 1, main tong arm, 1-1, connection through-hole, 2, secondary tong arm, 2-1, connecting column, 2-2, Clip Reed, 2-3, bit-avoiding slot, 3, clamp handle, 3-1, hand-held part, 3-2, magnetic sleeve, 4, bending part, 5, fixing buckle.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model The foundation of limitation.

Embodiment 1.It is a kind of to prevent from blocking incomplete aortic occlusion clamp, it constitutes as shown in Figure 1-3, include main tong arm 1, main tong arm 1 and 2 interconnection of secondary tong arm, one end of main tong arm 1 and secondary tong arm 2 are respectively connected with clamp handle 3；The main tong arm 1 The end of the other end is equipped with bending part 4；When main tong arm 1 closes up with secondary tong arm 2, the end of secondary 2 other end of tong arm is leaned on bending part 4 The side wall contact of nearly 3 side of clamp handle；Fixing buckle 5 is additionally provided on main tong arm 1 and secondary tong arm 2.

The connection structure of main tong arm above-mentioned 1 and 2 interconnection of secondary tong arm is removably cross connecting structure.

Removably cross connecting structure above-mentioned is that main tong arm 1 is equipped with connection through-hole 1-1, and secondary tong arm 2, which is equipped with, to be connected Column 2-1 is met, connecting column 2-1 side wall is equipped with Clip Reed 2-2；The connecting column 2-1 runs through connection through-hole 1-1, and Clip Reed 2-2 engages with the aperture for connecting through-hole 1-1.

Bit-avoiding slot 2-3 is additionally provided on connecting column 2-1 side wall at Clip Reed 2-2.Bit-avoiding slot 2-3 is set, is being connected When column 2-1 is by connection through-hole 1-1, Clip Reed 2-2 is in bit-avoiding slot 2-3, is made by more smoothly, passing through rear Clip Reed 2- 2 have been hit by a bullet by bit-avoiding slot 2-3 is stuck in the aperture for connecting through-hole 1-1.

The long L of bending part 4 above-mentioned is 10~25mm.The dimensional structure, not only more conducively patient feels in the course of surgery Know resistance, and is unlikely to oversized and is difficult to cross AoPW.

One end of main tong arm 1 above-mentioned and secondary tong arm 2 is respectively connected with clamp handle 3, is that one end of main tong arm 1 and secondary tong arm 2 is equal It is connected with clamp handle 3.

Clamp handle 3 above-mentioned includes hand-held part 3-1, and hand-held part 3-1 is connect with magnetic sleeve 3-2, and magnetic sleeve 3-2 is placed on master The end of one end of the secondary tong arm 2 of tong arm 1/, and connect with the end magnetic of one end of the secondary tong arm 2 of main tong arm 1/.

In use, major and minor tong arm is separated, it is dynamic for separating AoPW and lung using main tong arm 1 substitution right angle forceps Gap between arteries and veins, when gap is smoothly dug out between AoPW and pulmonary artery in main 1 end of tong arm, then by major and minor pincers Arm 2 combines, and folder closes major and minor tong arm (when folder closes, major and minor tong arm is rotated around connecting column 2-1), block the fastening of fixing buckle 5 can Aorta.After blocking, detachable lower plier handle 3 avoids stopping surgical field of view.

Claims (7)

1. a kind of can prevent from blocking incomplete aortic occlusion clamp, it is characterised in that: including main tong arm (1), main tong arm (1) with One end of secondary tong arm (2) interconnection, main tong arm (1) and secondary tong arm (2) is respectively connected with clamp handle (3)；The main tong arm (1) is another The end of one end is equipped with bending part (4)；When main tong arm (1) and secondary tong arm (2) close up, the end of secondary tong arm (2) other end with it is curved Side wall of the folding part (4) close to clamp handle (3) side contacts；Fixing buckle (5) are additionally provided on main tong arm (1) and secondary tong arm (2).

2. according to claim 1 can prevent from blocking incomplete aortic occlusion clamp, it is characterised in that: the main pincers The connection structure of arm (1) and secondary tong arm (2) interconnection is removably cross connecting structure.

3. according to claim 2 can prevent from blocking incomplete aortic occlusion clamp, it is characterised in that: described is removable Ground cross connecting structure is unloaded, is that main tong arm (1) is equipped with connection through-hole (1-1), secondary tong arm (2) is equipped with connecting column (2-1), even Column (2-1) side wall is connect equipped with Clip Reed (2-2)；The connecting column (2-1) runs through connection through-hole (1-1), and Clip Reed (2- 2) engage with the aperture for connecting through-hole (1-1).

4. according to claim 3 can prevent from blocking incomplete aortic occlusion clamp, it is characterised in that: be located at Clip Reed Bit-avoiding slot (2-3) is additionally provided on connecting column (2-1) side wall at (2-2).

5. according to claim 1 or 2 can prevent from blocking incomplete aortic occlusion clamp, it is characterised in that: described The long L of bending part (4) is 10~25mm.

6. according to claim 1 or 2 can prevent from blocking incomplete aortic occlusion clamp, it is characterised in that: described One end of main tong arm (1) and secondary tong arm (2) is respectively connected with clamp handle (3), is that one end of main tong arm (1) and pair tong arm (2) is movable It is connected with clamp handle (3).

7. according to claim 6 can prevent from blocking incomplete aortic occlusion clamp, it is characterised in that: the clamp handle (3) include hand-held part (3-1), hand-held part (3-1) is connect with magnetic sleeve (3-2), magnetic sleeve (3-2) be placed on main tong arm (1)/ The end of one end of secondary tong arm (2), and connect with the end magnetic of main tong arm (1)/pair tong arm (2) one end.