CN216021920U - Positioning device in transjugular intrahepatic portosystemic shunt - Google Patents

Abstract

The utility model discloses a positioning device in transjugular intrahepatic portosystemic shunt, wherein a left fixing sleeve and a right fixing sleeve are symmetrically welded below a fixing plate of the positioning device, and a left positioning bolt and a right positioning bolt are respectively arranged between the left fixing sleeve and the fixing plate; the left side edge of the fixed plate is welded with a front end upright post and a rear end upright post which are arranged along the width direction of the fixed plate; the front end upright stanchion and the rear end upright stanchion are provided with support frames parallel to the fixed plate, and the free ends of the support frames respectively extend along the length direction and the width direction of the fixed plate; the supporting frame is also provided with a fan. The support frame is connected with the front end upright rod and the rear end upright rod through a height adjusting device. The utility model is suitable for the basic requirements of transjugular intrahepatic portosystemic shunt, can improve the ventilation condition of patients in operation and is convenient for effective operation.

Description

Positioning device in transjugular intrahepatic portosystemic shunt

Technical Field

The utility model belongs to medical instruments, and particularly relates to an intraoperative positioning device.

Background

Transjugular intrahepatic portosystemic shunt is a minimally invasive operation which punctures between the intrahepatic vein and the portal vein through the jugular vein, establishes a portal shunt channel to reduce portal pressure and reduce or control esophageal and gastric fundus variceal bleeding. The patient is in supine position, the head is deviated to the left side, and the operation position is the right neck vein. The body of a patient is completely covered by the sterile surgical drape during operation, an operation opening on the sterile surgical drape is only aligned with an operation position, and the head and the face of the patient are basically covered by the sterile towel and the sterile surgical drape, so that the phenomena of oxygen supply reduction, unsmooth ventilation and local sultry are caused, and the normal breathing and the effective development of the operation of the patient are not facilitated.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a positioning device which is suitable for the basic requirements of transjugular intrahepatic portosystemic shunt, can improve the ventilation condition of a patient in operation and is convenient for the effective operation.

In order to solve the technical problem, the positioning device in the transjugular intrahepatic portosystemic shunt comprises a fixed plate, wherein a left fixing sleeve and a right fixing sleeve are symmetrically welded below the fixed plate, and a left positioning bolt and a right positioning bolt are respectively arranged between the left fixing sleeve and the fixed plate; the left side edge of the fixed plate is welded with a front end upright post and a rear end upright post which are arranged along the width direction of the fixed plate; the front end upright stanchion and the rear end upright stanchion are provided with support frames parallel to the fixed plate, and the free ends of the support frames respectively extend along the length direction and the width direction of the fixed plate; the supporting frame is also provided with a fan.

The support frame comprises an outer side hanging rod and an inner side hanging rod which are parallel to each other, and a front end hanging rod and a rear end hanging rod are arranged between the outer side hanging rod and the inner side hanging rod; the outer side hanging rod is fixedly connected with the front end upright rod and the rear end upright rod; the rear-end hanging rod is sleeved with a sliding block, and the fan is suspended below the sliding block through a rotating shaft.

Still include aseptic technique list auxiliary fixation frame, aseptic technique list auxiliary fixation frame sets up to "Jiong" font structure of lower extreme open-ended, and its width matches with the interval between outside peg, the inboard peg.

The cross section of the inner side hanging rod is rectangular, a plurality of rectangular sliding blocks are sleeved on the inner side hanging rod, arc-shaped positioning pieces are fixedly connected to the rectangular sliding blocks, and arc surfaces of the arc-shaped positioning pieces face to the left end of the fixing plate.

The support frame is connected with the front end upright rod and the rear end upright rod through a height adjusting device.

The height adjusting device comprises a front end sleeve and a rear end sleeve which are welded on the supporting frame, the front end sleeve and the rear end sleeve are respectively sleeved on the front end upright post and the rear end upright post, a tongue pin box with two open ends is fixedly connected between the front end sleeve and the rear end sleeve, a left tongue pin and a right tongue pin are arranged in the tongue pin box, the free ends of the left tongue pin and the right tongue pin extend out of the tongue pin box, and a spring is connected between the roots of the left tongue pin and the right tongue pin in the tongue pin box through a guide rod; an open slot is formed in the upper end face of the tongue pin box, and handles extending out of the open slot are arranged above the left tongue pin and the right tongue pin; the inner side surfaces of the front end upright rod and the rear end upright rod are provided with multistage steps, and the steps are matched with the left tongue pin and the right tongue pin.

The support frame includes outside peg and the inboard peg that is parallel to each other, all the cover is equipped with the telescopic link on outside peg and the inboard peg, be provided with the front end peg between outside peg and the inboard peg, be provided with the rear end peg between two telescopic links.

The telescopic rod further comprises a limiting device arranged on the outer hanging rod and/or the inner hanging rod and used for limiting the stroke of the telescopic rod.

The technical advantages of the utility model are embodied in that: A. the support frames are arranged above the fixing plate in parallel in a side-hanging mode, so that a space with a proper size is formed between the support frames and the operating table to accommodate the head of a patient, the condition that an aseptic operating sheet directly covers the mouth, nose and face is avoided, the support frames extend to the position near the midline, and the exposure of the right carotid artery of the patient is not influenced, so that the ventilation condition of the face of the patient in the operation can be improved, and the operation is facilitated. B. The micro fan is arranged below the outer side of the support frame, fresh air can be supplemented, and the fan and covers such as sterile surgical drapes do not interfere with each other. C. The arc-shaped positioning piece is arranged, and can be used for assisting in positioning the head of a patient. D. The device is provided with a support frame height adjusting device, and the support frame length adjusting device is arranged along the length direction of the operating table, so that the device can be finely adjusted according to the field requirement.

Drawings

FIG. 1 is a schematic perspective view of a positioning device for transjugular intrahepatic portosystemic shunt according to the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a schematic structural view of the second embodiment;

FIG. 4 is a schematic structural view of the third embodiment;

FIG. 5 is a plan view of a support frame portion in the third embodiment;

FIG. 6 is a front view of a part of the support frame in the third embodiment;

fig. 7 is a partially enlarged schematic view of a tongue pin box in the third embodiment.

Detailed Description

Example one

As can be seen from fig. 1 and 2, the positioning device for transjugular intrahepatic portosystemic shunt comprises a fixing plate (1), wherein left and right fixing sleeves (10, 10 ') are symmetrically welded below the fixing plate (1), and left and right positioning bolts (11, 11 ') are respectively arranged between the left and right fixing sleeves (10, 10 ') and the fixing plate (1); the left side edge of the fixed plate (1) is welded with a front end upright rod (2) and a rear end upright rod (2') which are arranged along the width direction of the fixed plate; the front end upright rod (2) and the rear end upright rod (2') are provided with support frames parallel to the fixed plate (1), and the free ends of the support frames extend along the length direction and the width direction of the fixed plate (1) respectively; the support frame is also provided with a fan (5).

As can be seen from fig. 1 and 2, the support frame comprises an outer side hanging rod (3) and an inner side hanging rod (3 ') which are parallel to each other, and a front end hanging rod (4) and a rear end hanging rod (4 ') are arranged between the outer side hanging rod (3) and the inner side hanging rod (3 '); the outer side hanging rod (3) is fixedly connected with the front end upright rod (2) and the rear end upright rod (2'); the rear-end hanging rod (4') is sleeved with a sliding block (50), and the fan (5) is suspended below the sliding block (50) through a rotating shaft (51). The sliding block (50) can move along the width direction of the operating table panel 8, and the rotating shaft (51) can rotate, so that the air supply angle and the position of the fan (5) can be adjusted.

The using method comprises the following steps:

as can be seen from fig. 1, 2 and 3, the operating table panel 8 has an axisymmetric structure, and has a front width smaller than a rear width, the front being used for supporting the head of the patient, and the rear being used for supporting the body of the patient. During operation, firstly, the left and right fixing sleeves (10, 10 ') are sleeved at the front end of the operating table panel 8, the fixing plate (1) is arranged along the width direction of the operating table panel 8, and after the front and rear positions are adjusted, the operating table panel 8 and the fixing plate (1) are locked through the left and right positioning bolts (11, 11').

The space between the left fixing sleeve and the right fixing sleeve (10 and 10') is matched with the width of the front end of the operating table panel 8, and the width of the fixing plate (1) is matched with the width of the rear end of the operating table panel 8.

Then, a rectangular mattress 9 sleeved with a disposable sterile sheet is laid on the operating table panel 8, the front end of the mattress 9 is pressed on the fixing plate (1), and the front end upright rod (2) and the rear end upright rod (2 ') are arranged along the width direction of the fixing plate (1), and the support frame is arranged in parallel with the fixing plate (1), so that the front end upright rod (2), the rear end upright rod (2') and the support frame do not interfere with the laying of the mattress 9.

Then the patient lies on the mattress 9, the head part of the patient keeps the left side position, and the patient is positioned under the support frame consisting of the outer hanging rod (3), the inner hanging rod (3 '), the front hanging rod (4) and the rear hanging rod (4'), and the right neck vein of the patient is exposed.

Then, the sterile towel and the sterile surgical drape are laid on the body of the patient, the left side of the front end of the sterile surgical drape is laid above the supporting frame, the middle operation hole in the middle of the front end of the sterile surgical drape is aligned with the position of the right neck vein of the patient, the right side of the front end of the sterile surgical drape is freely laid on the right shoulder of the patient and the mattress 9, and then the operation can be performed. The support frame is overhead with aseptic operation list at patient's face, neither influences the operation and goes on, can provide suitable air convection space again, prevents patient's oppressive heat in the art. If necessary, the fan (5) can be electrified and blown by adjusting the slide block (50) and the rotating shaft (51). In the utility model, the fan (5) is provided with the outer frame, low-voltage power supply is realized, safety and reliability are realized, and the air volume meets the requirement of fresh air breathing.

In this example, along the length direction of fixed plate (1), the free end of support frame extends to the central line top of fixed plate (1), namely above the central line of operation panel 8, guarantees that aseptic surgical drape has sufficient built on stilts width, does not influence the operation of right side neck vein position and carries out.

Example two

Compared with the first embodiment, the first embodiment adds an auxiliary positioning device of a sterile surgical drape.

As shown in fig. 1, 2 and 3, in this embodiment, the positioning device for transjugular intrahepatic portosystemic shunt further includes an auxiliary sterile surgical drape fixing frame (7), and the auxiliary sterile surgical drape fixing frame (7) is configured to be an Jiong-shaped structure with an opening at a lower end, and the width of the auxiliary sterile surgical drape fixing frame is matched with the distance between the outer side hanging rod (3) and the inner side hanging rod (3').

The front end of the sterile surgical drape is laid on the support frame and then is locally adjusted, and then the auxiliary fixing frame (7) of the sterile surgical drape is downwards inserted to cover the outer side hanging rod (3) and the inner side hanging rod (3'), so that a fixing and supporting point is formed at the front end to prevent displacement in the sterile surgical drape.

This embodiment also optimizes patient head positioning measures.

As shown in fig. 3, the section of the inner side hanging rod (3 ') is rectangular, a plurality of rectangular sliding blocks are sleeved on the inner side hanging rod (3'), arc-shaped positioning pieces (6) are fixedly connected to the rectangular sliding blocks, and the arc surfaces of the arc-shaped positioning pieces (6) face the left end of the fixing plate (1). The face of the patient in the operation also faces to the left end of the fixing plate (1), and the arc-shaped positioning piece (6) supports the back of the head of the patient from the rear part to play a role in auxiliary positioning. The rectangular sliding block can slide along the inner side hanging rod (3 '), and when auxiliary positioning is not needed, the arc-shaped positioning piece (6) can move to the root of the inner side hanging rod (3').

EXAMPLE III

Because the size of the patient is different, the support frame is expected to be lifted clinically, and the extension distance of the support frame in the length direction of the operating table can be adjusted in a small range.

The positioning device in transjugular intrahepatic portosystemic shunt comprises a fixing plate (1), wherein left and right fixing sleeves (10 and 10 ') are symmetrically welded below the fixing plate (1), and left and right positioning bolts (11 and 11 ') are respectively arranged between the left and right fixing sleeves (10 and 10 ') and the fixing plate (1); the left side edge of the fixed plate (1) is welded with a front end upright rod (2) and a rear end upright rod (2') which are arranged along the width direction of the fixed plate; the front end upright rod (2) and the rear end upright rod (2') are provided with support frames parallel to the fixed plate (1), and the free ends of the support frames extend along the length direction and the width direction of the fixed plate (1) respectively; the support frame is also provided with a fan (5).

In this embodiment, the support frame is connected to the front end vertical rod (2) and the rear end vertical rod (2') through a height adjusting device.

As can be seen from fig. 4, 5, 6, and 7, as one implementation manner, the height adjusting device includes a front sleeve (30) and a rear sleeve (30 ') welded on the support frame, the front sleeve (30) and the rear sleeve (30') are respectively sleeved on the front upright rod (2) and the rear upright rod (2 '), a tongue pin box (31) with two open ends is fixedly connected between the front sleeve (30) and the rear sleeve (30'), a left tongue pin (32) and a right tongue pin (32, 32 ') are arranged in the tongue pin box (31), free ends of the left tongue pin (32) and the right tongue pin (32, 32') extend out of the tongue pin box (31), and a spring (33) is connected between roots of the left tongue pin (32 ') and the right tongue pin (32, 32') in the tongue pin box (31) through a guide rod; an open slot is arranged on the upper end face of the tongue pin box (31), and handles 35 extending out of the open slot are arranged above the left tongue pin (32 ') and the right tongue pin (32') respectively; the inner side surfaces of the front end upright rod (2) and the rear end upright rod (2 ') are provided with multistage steps (20), and the steps (20) are matched with the left tongue pin and the right tongue pin (32 and 32').

As can be seen from fig. 6 and 7, in this embodiment, the free ends of the left and right tongue pins (32, 32 ') are configured as dovetails with horizontal bottoms, that is, the free ends of the tongue pins are cut into slopes with high roots and low tips, the multistage steps (20) arranged on the front vertical rod (2) and the rear vertical rod (2 ') are matched with the tongue pins, that is, the steps (20) are milled on the opposite surfaces of the front vertical rod (2) and the rear vertical rod (2 '), are shaped as dovetail mortises with horizontal bottoms, and the bottoms and tops of the individual steps (20) are configured as slope transitions correspondingly.

Under the state of not being interfered by the outside, the spring (33) extends, the left and right tongue pins (32, 32') respectively extend horizontally, the left and right tongue pins are inserted into the steps (20) at the two sides and locked, and the supporting frame keeps stable.

When the supporting frame needs to ascend, the supporting frame directly translates the supporting frame upwards, the inclined surfaces of the tongue pins slide along the inclined surfaces of the steps 20, the roots of the left tongue pin and the right tongue pin (32 and 32') automatically compress the spring (33) until the tongue pins are separated from the inclined surfaces of the steps, the supporting frame correspondingly moves upwards, and the tongue pins and the steps are automatically interlocked again after the supporting frame reaches the designated position.

When the support frame needs to descend, the handles 35 on the left and right tongue pins (32 and 32') are folded towards the middle, the spring (33) contracts correspondingly until the tongue pins are completely separated from the steps, the handles are released after the support frame descends to a designated position, the spring (33) extends, and the tongue pins and the steps are interlocked.

Further, the support frame includes outside peg (3) and inboard peg (3 ') that are parallel to each other, all the cover is equipped with telescopic link (34) on outside peg (3) and inboard peg (3'), be provided with front end peg (4) between outside peg (3) and inboard peg (3 '), be provided with rear end peg (4') between two telescopic link (34).

The telescopic rod device further comprises a limiting device arranged on the outer hanging rod (3) and/or the inner hanging rod (3') and used for limiting the stroke of the telescopic rod (34).

As shown in fig. 4, 5, and 6, in this embodiment, a limiting groove is disposed on an inner side surface of the outer hanging rod (3), a limiting post is vertically disposed on a surface of a distal end of the telescopic rod (34) corresponding to the outer hanging rod (3), a root of the limiting post is disposed in the outer hanging rod (3), and a free end of the limiting post protrudes out of the limiting groove, so that the telescopic rod (34) can extend and contract relative to the outer hanging rod (3) within a limited stroke range. In the embodiment, only a limiting device is arranged between the outer hanging rod (3) and the corresponding telescopic rod (34), and the telescopic rod on the inner hanging rod (3') follows up.

Similar to the first embodiment, in the present embodiment, a sliding block (50) is sleeved on the rear hanging rod (4'), and the fan (5) is suspended below the sliding block (50) through a rotating shaft (51).

In the embodiment, the supporting frame can be lifted, and the extension length of the supporting frame can be adjusted, so that the lifting device is further suitable for various different requirements. It should be noted that the lifting mechanism and the length adjusting mechanism can be arranged in various ways.

The embodiments of the present invention include, but are not limited to, the above-mentioned embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the substance of the present invention, and still fall into the scope of the present invention.

Claims (8)

1. The utility model provides a positioner in transjugular intrahepatic portosystemic shunt art, includes fixed plate (1), its characterized in that: a left fixing sleeve and a right fixing sleeve (10, 10 ') are symmetrically welded below the fixing plate (1), and a left positioning bolt and a right positioning bolt (11, 11 ') are respectively arranged between the left fixing sleeve and the fixing plate (1) and between the right fixing sleeve and the fixing plate (10, 10 '); the left side edge of the fixed plate (1) is welded with a front end upright rod (2) and a rear end upright rod (2') which are arranged along the width direction of the fixed plate; the front end upright rod (2) and the rear end upright rod (2') are provided with support frames parallel to the fixed plate (1), and the free ends of the support frames extend along the length direction and the width direction of the fixed plate (1) respectively; the support frame is also provided with a fan (5).

2. The transjugular intrahepatic portosystemic shunt intraoperative positioning device of claim 1, wherein: the support frame comprises an outer side hanging rod (3) and an inner side hanging rod (3 ') which are parallel to each other, and a front end hanging rod (4) and a rear end hanging rod (4 ') are arranged between the outer side hanging rod (3) and the inner side hanging rod (3 '); the outer side hanging rod (3) is fixedly connected with the front end upright rod (2) and the rear end upright rod (2'); the rear-end hanging rod (4') is sleeved with a sliding block (50), and the fan (5) is suspended below the sliding block (50) through a rotating shaft (51).

3. The transjugular intrahepatic portosystemic shunt intraoperative positioning device of claim 2, wherein: the sterile surgical drape auxiliary fixing frame (7) is of an Jiong-shaped structure with an opening at the lower end, and the width of the sterile surgical drape auxiliary fixing frame is matched with the distance between the outer side hanging rod (3) and the inner side hanging rod (3').

4. The transjugular intrahepatic portosystemic shunt intraoperative positioning device of claim 2, wherein: the cross section of the inner side hanging rod (3 ') is rectangular, a plurality of rectangular sliding blocks are sleeved on the inner side hanging rod (3'), arc-shaped positioning pieces (6) are fixedly connected to the rectangular sliding blocks, and the arc surfaces of the arc-shaped positioning pieces (6) face the left end of the fixing plate (1).

5. The transjugular intrahepatic portosystemic shunt intraoperative positioning device of claim 1, wherein: the supporting frame is connected with the front end upright rod (2) and the rear end upright rod (2') through a height adjusting device.

6. The transjugular intrahepatic portosystemic shunt intraoperative positioning device of claim 5, wherein: the height adjusting device comprises a front end sleeve (30) and a rear end sleeve (30 ') welded on the support frame, the front end sleeve (30) and the rear end sleeve (30 ') are respectively sleeved on the front end upright rod (2) and the rear end upright rod (2 '), a tongue pin box (31) with openings at two ends is fixedly connected between the front end sleeve (30) and the rear end sleeve (30 '), a left tongue pin (32) and a right tongue pin (32, 32 ') are arranged in the tongue pin box (31), free ends of the left tongue pin (32 ') and the right tongue pin (32, 32 ') extend out of the tongue pin box (31), and a spring (33) is connected between roots of the left tongue pin (32 ') and the right tongue pin (32, 32 ') in the tongue pin box (31) through a guide rod; an open slot is arranged on the upper end face of the tongue pin box (31), and handles extending out of the open slot are arranged above the left tongue pin (32 ') and the right tongue pin (32') respectively; the inner side surfaces of the front end upright rod (2) and the rear end upright rod (2 ') are provided with multistage steps (20), and the steps (20) are matched with the left tongue pin and the right tongue pin (32 and 32').

7. The transjugular intrahepatic portosystemic shunt intraoperative positioning device of claim 1, wherein: the support frame is including outside peg (3) and inboard peg (3 ') that are parallel to each other, all the cover is equipped with telescopic link (34) on outside peg (3) and inboard peg (3'), be provided with front end peg (4) between outside peg (3) and inboard peg (3 '), be provided with rear end peg (4') between two telescopic link (34).

8. The transjugular intrahepatic portosystemic shunt intraoperative positioning device of claim 7, wherein: the telescopic rod device further comprises a limiting device arranged on the outer hanging rod (3) and/or the inner hanging rod (3') and used for limiting the stroke of the telescopic rod (34).

Images