CN216001509U - Tip welding auxiliary device for nasal sinus balloon guide catheter - Google Patents

Abstract

The utility model relates to a sinus sacculus guide pipe tip welding auxiliary device, the structure includes base, slider, knob group, locking device one, locking device two, spring clamp, spring, dabber, the bottom surface of base is equipped with rectangular groove, the slider can slide along the recess straight line in the recess, the slider is equipped with left support arm and right support arm, knob group includes left knob, dextrorotation button, locking device one structure includes left clamp cover, lock lever one, lock lever two, locking device two structures include right clamp cover, lock lever three, dextrorotation button runs through right support arm, right clamp cover in proper order, rotates with right support arm relatively, lock lever three runs through upper portion and dextrorotation button of right clamp cover in proper order to with right clamp cover threaded connection, the dabber runs through right knob, levorotation button from right to left in proper order, the spring clamp is located the right side of left knob tip and centre gripping to the dabber, the utility model discloses a mechanical force replaces manual pulling force, avoid the uneven welding quality problem of the tip of the nasal sinus sacculus guiding catheter caused by the uneven stress.

Description

Tip welding auxiliary device for nasal sinus balloon guide catheter

Technical Field

The utility model relates to the field of medical equipment, especially a tip welding auxiliary device of nasal sinus sacculus guide pipe.

Background

The existing sinus sacculus catheter system (guiding catheter) adopts pure manual welding for welding the tip and the inner tube. The specific operation method comprises the following steps: the tip is sleeved on the PTFE exposed at the top end through a mandrel. And sleeving the welding protective sleeve on the inner pipe and the tip, and welding and fusing the tip and the inner pipe by utilizing hot air. The inner tube and the tip are required to be completely fused, the PTFE of the inner layer of the tip is completely attached to the tip, and the PTFE of the inner layer is free from folds and delamination.

The difficulty in the manual welding operation process is that an operator needs to straighten the heat-shrinkable tube with both hands and rotate the heat-shrinkable tube during welding. The defect is that the balance of force cannot be guaranteed by manual force exertion with both hands, and the inner layer PTFE is wrinkled or layered due to uneven stress. The fingers of both hands exert force continuously for a long time, operation fatigue is generated, a vicious circle is generated with uneven stress, and the yield of products is greatly reduced, so that the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a most advanced welding auxiliary device of sinus sacculus guide pipe uses mechanical force to replace manual pulling force, avoids the uneven and quality problems who appears of atress.

In order to achieve the above purpose, the following technical scheme is provided:

the utility model provides a tip welding auxiliary device of sinus sacculus guide pipe, the structure includes base, slider, knob group, locking device one, locking device two, spring clamp, spring, dabber, the bottom surface of base is equipped with the recess of rectangular shape, the cross-section of slider is "concave" style of calligraphy, and its bottom is located the recess to can slide along the recess straight line in the recess, the slider is equipped with left branch arm and right branch arm, knob group includes left knob, dextrorotation button, left knob and right knob all are equipped with the through-hole that runs through along its axis, locking device one structure includes that left side presss from both sides cover, check lock lever one, check lock lever two, left knob runs through spring, left side clamp cover in proper order, spring one end and levogyration button butt, its other end and the terminal surface butt that left branch overlapped, the left end that left branch overlapped runs through the upper portion of left branch arm and rather than relative rotation, check lock lever one runs through the right-hand member upper portion of left side in proper order, The upper portion of left knob, the check lock lever two is relative with check lock lever position to run through the right-hand member lower part that the left side pressed from both sides the cover in proper order, the lower part of left knob, check lock lever one, check lock lever two all with left jacket threaded connection, two structures of locking device include right side clamp cover, check lock lever three, right side knob runs through right branch strut, right side in proper order and presss from both sides the cover to can rotate relatively with right branch strut, check lock lever three runs through the upper portion and the dextrorotation button that the right side pressed from both sides the cover in proper order, and with right side clamp cover threaded connection, the dabber runs through right side knob, levogyration button in proper order from right to left, the spring clamp is located the right side of left knob tip and centre gripping to the dabber.

Preferably, the central axes of the left knob and the right knob are the same axis.

Preferably, the upper portion and the lower portion of the spring clamp are respectively provided with a locking rod four, and the two locking rods four are both in threaded connection with the spring clamp and respectively penetrate through the upper portion and the lower portion of the spring clamp.

Preferably, the end parts of the first locking rod, the second locking rod, the third locking rod and the fourth locking rod are abutted to the mandrel.

Preferably, a vertical supporting plate is further arranged on the sliding block, the supporting plate is located on one side of the left supporting arm, and a circular arc-shaped notch is formed in the top of the supporting plate.

The utility model has the advantages that:

the utility model discloses use mechanical force to replace manual pulling force, avoid the atress uneven, semi-automatic welding set can realize that spin welding goes on with removing simultaneously. Better rotatory and moving welding under the prerequisite that can guarantee that the atress is balanced at pyrocondensation pipe both ends in welding process, avoid producing the problem that fold or layering appear in inlayer PTFE because of the atress is uneven.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view of the present invention A-A;

FIG. 5 is a cross-sectional view of the present invention B-B;

the reference symbols shown in the figures are: 1-base, 2-slide block, 3-left knob, 4-right knob, 5-left jacket, 6-locking rod I, 7-locking rod II, 8-right jacket, 9-locking rod III, 10-spring clamp, 11-spring, 12-mandrel, 13-locking rod IV, 101-groove, 201-left supporting arm, 202-right supporting arm, 203-supporting plate and 204-notch.

Detailed Description

The following describes the present design in detail with reference to the accompanying drawings.

As shown in fig. 1-5, a tip welding auxiliary device for a sinus sacculus guide catheter, the structure comprises a base 1, a sliding block 2, a knob group, a first locking device, a second locking device, a spring clamp 10, a spring 11 and a mandrel 12, wherein the bottom surface of the base 1 is provided with a strip-shaped groove 101, the cross section of the sliding block 2 is concave, the bottom of the sliding block is positioned in the groove 101, the sliding block can linearly slide in the groove 101 along the groove 101, the sliding block 2 and the base 1 can relatively move left and right along a straight line in the welding process, and the problem of over-welding or uneven welding caused by deviation of manual displacement in the original manual welding process is avoided. The slider 2 is equipped with left branch arm 201 and right branch arm 202, and the knob group is including left knob 3, dextrorotation button 4, and levogyration button 3 all is equipped with the through-hole that runs through along its axis with right knob 4, and the hollow structure of knob can make and wait to weld the product and pass in the centre. The locking device structure comprises a left jacket 5, a first locking rod 6 and a second locking rod 7, wherein a left-hand button 3 sequentially penetrates through a spring 11 and the left jacket 5, one end of the spring 11 is abutted against the left-hand button 3, the other end of the spring is abutted against the end face of the left jacket 5, the left end of the left jacket 5 penetrates through the upper part of a left support arm 201 and rotates relative to the upper part of the left support arm, the first locking rod 6 sequentially penetrates through the upper part of the right end of the left jacket 5 and the upper part of the left-hand button 3, the second locking rod 7 is opposite to the first locking rod 6 and sequentially penetrates through the lower part of the right end of the left jacket 5 and the lower part of the left-hand button 3, the first locking rod 6 and the second locking rod 7 are both in threaded connection with the left jacket 5, the second locking device structure comprises a right jacket 8 and a third locking rod 9, the right-hand button 4 sequentially penetrates through a right support arm 202 and a right-hand sleeve 8 and can rotate relative to the right support arm 202, the third locking rod 9 sequentially penetrates through the upper part of the right jacket 8 and the right-hand button 4, and with 8 threaded connection of right clamp cover, right knob 4, left-handed button 3 are run through in proper order from right to left to dabber 12, spring clamp 10 is located the right side of 3 tip of left-handed button and centre gripping to dabber 12, spring 11 on the left-handed button 3 plays and strengthens the fixed action, strengthen locking device one and spring clamp 10's position locking, spring clamp 10 can be according to tubular product size adjustment clamping force, avoid the centre gripping excessively to cause tubular product damage or clamping force not enough to cause most advanced aversion in welding process. The first locking device and the second locking device stretch and fix the pipes on the two sides, so that the pipes are kept in a flat state all the time in the welding process, stress on the two sides of the pipes is consistent after the pipes are locked, and inner layer PTFE wrinkles caused by uneven stress on the two sides due to original manual welding can be avoided.

Wherein, the central axes of the left-handed button 3 and the right-handed button 4 are the same axis.

Wherein, the upper portion and the lower part of spring clamp 10 are equipped with a check lock four 13 respectively, and two check lock four 13 all run through spring clamp 10 upper portion and lower part respectively with spring clamp 10 threaded connection to the realization is according to the effect of tubular product size adjustment clamping-force degree.

The end parts of the first locking rod 6, the second locking rod 7, the third locking rod 9 and the fourth locking rod 13 are abutted against the core shaft, the tightness degree of the first locking rod 6, the second locking rod 7, the third locking rod 9 and the fourth locking rod 13 is adjusted, and the welded pipe is fixed and loosened.

Wherein, still be equipped with a vertical layer board 203 on the slider 2, layer board 203 is located one side of left branch brace 201, and the top of layer board 203 is equipped with a convex breach 204 for supplementary support dabber 12 and the tubular product of cover on dabber 12 prevent to warp, improve welding accuracy.

Examples

1. The tip is fitted over the top exposed PTFE by the mandrel 12. And sleeving the welding protective sleeve on the inner pipe and the tip.

2. The product to be welded sleeved with the protective sleeve penetrates through the left knob 3 of the device and penetrates out of the right knob 4. The second shrinking device locks the mandrel 12, the inner tube and the heat shrinkable tube.

3. On the left, the tip is fully engaged with the inner tube and the open spring clamp 10 is clamped about 3mm from the tip.

4. And locking the first tightening device to lock the mandrel 12 and the heat shrinkable tube.

5. The left knob 3 is pushed, and the position of the spring clamp 10 and the first tightening device is fixed, so that the displacement in the welding moving process is avoided.

6. During welding, the left-handed knob 3 and the right-handed knob 4 on two sides are rotated, and the sliding block is moved simultaneously to realize auxiliary welding.

Claims (5)

1. The utility model provides a tip welding auxiliary device of nasal sinus sacculus guide pipe, its characterized in that, the structure includes base, slider, knob group, and locking device one, locking device two, spring clamp, spring, dabber, the bottom surface of base is equipped with the recess of rectangular shape, the cross-section of slider is "concave" style of calligraphy, and its bottom is located the recess to can slide along the recess straight line in the recess, the slider is equipped with left support arm and right support arm, knob group includes left knob, dextrorotation button, left knob and right knob all are equipped with the through-hole that runs through along its axis, locking device structure includes left clamp cover, check lock lever one, check lock lever two, left knob runs through spring, left clamp cover in proper order, spring one end and levorotation button butt, the terminal surface butt that its other end and left clamp cover, the left end that left clamp cover runs through the upper portion of left support arm and rather than relative rotation, the locking device comprises a locking device and a mandrel, wherein a locking rod I sequentially penetrates through the upper part of the right end of a left jacket and the upper part of a left knob, a locking rod II is opposite to the locking rod in position and sequentially penetrates through the lower part of the right end of the left jacket and the lower part of the left knob, the locking rod I and the locking rod II are both in threaded connection with the left jacket, the locking device II comprises a right jacket and a locking rod III, the right knob sequentially penetrates through a right support arm and the right jacket and can rotate relative to the right support arm, the locking rod III sequentially penetrates through the upper part of the right jacket and the right knob and is in threaded connection with the right jacket, the mandrel sequentially penetrates through the right knob and the left knob from right to left, and the spring clamp is positioned on the right side of the end part of the left knob and is clamped onto the mandrel.

2. The sinus balloon guide catheter tip welding assistance device of claim 1, wherein the central axes of the left and right knobs are the same axis.

3. The sinus balloon guide catheter tip welding assisting device of claim 1, wherein the spring clamp is provided with a locking rod four at the upper part and the lower part respectively, and the two locking rods four are both connected with the spring clamp in a threaded manner and penetrate through the upper part and the lower part of the spring clamp respectively.

4. The sinus balloon guide catheter tip welding assisting device as claimed in claim 1 or 3, wherein the end parts of the first locking rod, the second locking rod, the third locking rod and the fourth locking rod are abutted against the mandrel.

5. The sinus balloon guide catheter tip welding assisting device as claimed in claim 1, wherein the sliding block is further provided with a vertical supporting plate, the supporting plate is located on one side of the left supporting arm, and the top of the supporting plate is provided with a circular arc-shaped notch.

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