阅读说明：本技术 一种肾脏低温灌注用球囊导管 (Kidney low temperature fills uses sacculus pipe ) 是由 何芳 乐丽 何伟 于 2021-07-05 设计创作，主要内容包括：本发明公开了一种肾脏低温灌注用球囊导管,其结构包括主体、气囊、针头,主体的末端设有气囊,主体包括输液头、连接块、导液管、防水装置,防水装置包括集水框、吸水装置、密封装置、导水片,集水框为锥状,吸水装置安装在集水框的内部底端,密封装置包括橡胶环、变形槽、接触层、空槽、支撑条,接触层包括缓冲块、穿孔、缓冲槽,缓冲块包括缓冲体、切槽、小凸块,本发明利用在导液管中安装防水装置,利用防水装置将置于导液管端面的水珠进行时收集,再利用支撑条对橡胶环的端面进行支撑,使得橡胶环能够与导液管的外端面进行紧密接触,防止置于导液管外端面的水珠,往下流动到病人的体内,避免病人的伤口出现感染的情况。(The invention discloses a balloon catheter for kidney low-temperature perfusion, which structurally comprises a main body, an air bag and a needle head, wherein the tail end of the main body is provided with the air bag, the main body comprises a transfusion head, a connecting block, a catheter and a waterproof device, the waterproof device comprises a water collecting frame, a water absorbing device, a sealing device and a water guide sheet, the water collecting frame is conical, the water absorbing device is arranged at the bottom end inside the water collecting frame, the sealing device comprises a rubber ring, a deformation groove, a contact layer, an empty groove and a supporting strip, the contact layer comprises a buffering block, a through hole and a buffering groove, the buffering block comprises a buffering body, a cutting groove and a small bump, the invention utilizes the waterproof device arranged in the catheter to collect water beads arranged on the end surface of the catheter in a time-taking mode by utilizing the waterproof device and then utilizes the supporting strip to support the end surface of the rubber ring, so that the rubber ring can be in close contact with the outer end surface of the catheter, and prevent the water beads arranged on the outer end surface of the catheter, flows down to the body of the patient, and avoids the infection of the wound of the patient.)

1. The utility model provides a kidney is sacculus pipe for low temperature perfusion, its structure includes main part (1), gasbag (2), syringe needle (3), the end of main part (1) is equipped with gasbag (2), the end at main part (1) is installed in syringe needle (3), its characterized in that:

the main part (1) comprises an infusion head (11), a connecting block (12), a liquid guide pipe (13) and a waterproof device (14), wherein the inside of the infusion head (11) is in a hollow shape, the connecting block (12) is connected to the inner tail end of the infusion head (11), and the waterproof device (14) is clamped on the outer end face of the liquid guide pipe (13).

2. The balloon catheter for renal hypothermia perfusion of claim 1, wherein: waterproof device (14) are including catchmenting frame (141), water absorption device (142), sealing device (143), water guide piece (144), catchment frame (141) is the taper, water absorption device (142) are installed in the inside bottom of catchmenting frame (141), sealing device (143) are inlayed in the middle of the centre of water absorption device (142), water guide piece (144) are arranged around the terminal surface in catchment frame (141).

3. The balloon catheter for renal hypothermia perfusion of claim 2, wherein: sealing device (143) include rubber ring (a 1), deformation groove (a 2), contact layer (a 3), dead slot (a 4), support strip (a 5), rubber ring (a 1) are inlayed and are fixed in the middle of water absorbing device's (142) inside is median, deformation groove (a 2) is equipped with two, and sets up respectively at the upper and lower both ends of rubber ring (a 1), and deformation groove (a 2) is the triangle-shaped form, dead slot (a 4) sets up the inside at rubber ring (a 1), support strip (a 5) transversely sets up the inside at dead slot (a 4).

4. The balloon catheter for renal hypothermia perfusion of claim 3, wherein: the contact layer (a 3) comprises a buffer block (a 31), a through hole (a 32) and a buffer groove (a 33), wherein the buffer block (a 31) is arranged on the inner side of the rubber ring (a 1), the through hole (a 32) is positioned in the middle of the inner part of the buffer block (a 31), and the buffer groove (a 33) is arranged on the inner side end of the buffer block (a 31).

5. The balloon catheter for renal hypothermia perfusion of claim 4, wherein: the buffer block (a 31) comprises a buffer body (b 1), a cutting groove (b 2) and small bumps (b 3), wherein the cutting groove (b 2) is formed in the end face of the buffer body (b 1), the number of the cutting grooves (b 2) is four, the cutting grooves are vertically arranged, more than eight small bumps (b 3) are arranged, and the small bumps are arranged inside the cutting groove (b 2).

6. The balloon catheter for renal hypothermia perfusion of claim 2, wherein: water absorption device (142) are including absorbing water sponge (c 1), inner circle (c 2), outer baffle (c 3), the cotton cloth that absorbs water (c 4), it is the ring form to absorb water sponge (c 1), inner circle (c 2) set up the inside at sponge (c 1) that absorbs water, outer baffle (c 3) set up around the outer terminal surface in sponge (c 1) that absorbs water, the cotton cloth that absorbs water (c 4) set up around the terminal surface in outer baffle (c 3).

7. The balloon catheter for renal hypothermia perfusion of claim 6, wherein: the outer partition plate (c 3) comprises a plate body (c 31), water through holes (c 32) and flow guide blocks (c 33), wherein the plate body (c 31) is embedded in the outer end face of the water absorption sponge (c 1), more than eight water through holes (c 32) are formed and surround the end face of the plate body (c 31), and four flow guide blocks (c 33) are arranged and transversely arranged in the water through holes (c 32).

8. The balloon catheter for renal hypothermia perfusion of claim 7, wherein: the water conservancy diversion piece (c 33) includes baffle (d 1), opening (d 2), lower chute (d 3), water-retaining piece (d 4), perforation (d 5), the inside of baffle (d 1) is equipped with opening (d 2), the lower extreme of opening (d 2) is equipped with lower chute (d 3), the width of lower chute (d 3) is dwindled by upper end to lower extreme gradually, water-retaining piece (d 4) inlays the inside at lower chute (d 3), perforation (d 5) is equipped with six, and transverse arrangement is in the top terminal surface of water-retaining piece (d 4).

Technical Field

The invention relates to the field of medical instruments, in particular to a balloon catheter for low-temperature perfusion of kidney.

Background

The renal injury is divided into two types, namely open injury and closed injury, the open injury is common in wartime, the closed injury is most commonly caused by traffic accidents and industrial accidents, the injury part needs to be removed after the renal injury, a renal artery balloon catheter needs to be implanted before removal, low-temperature liquid needs to be filled in the balloon catheter during operation, and the laparoscopic renal resection with the assistance of low-temperature filling can effectively reduce the occurrence of complications in operation and after operation, prolong the renal ischemia time and protect the renal function.

Based on the findings of the inventor, the conventional balloon catheter for kidney low-temperature perfusion mainly has the following defects, for example: when the low-temperature liquid is perfused through the balloon catheter, the temperature inside the catheter is lower than the temperature outside the catheter, so that the catheter positioned outside a patient body is contacted with air, small water drops are easily formed and attached to the catheter, and the small water drops flow into the patient body along the tube wall to cause the condition of wound infection.

Disclosure of Invention

In order to solve the problems, the invention provides a balloon catheter for kidney low-temperature perfusion.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a kidney is sacculus pipe for low temperature perfusion, its structure includes main part, gasbag, syringe needle, the end of main part is equipped with the gasbag, the end in the main part is installed to the syringe needle, the main part includes infusion head, connecting block, catheter, watertight fittings, the inside of infusion head is for cuing open empty form, the connecting block is connected in the inside end of infusion head, watertight fittings block in the outer terminal surface of catheter.

Further, watertight fittings includes catchment frame, water absorbing device, sealing device, water guide sheet, catchment frame is the taper, water absorbing device installs the inside bottom at catchment frame, sealing device inlays admittedly in water absorbing device's centre, water guide sheet is arranged around the terminal surface in catchment frame, water guide sheet is equipped with eight, and arranges around the form.

Further, sealing device includes rubber ring, deformation groove, contact layer, dead slot, support bar, the rubber ring inlays admittedly in the middle of water absorption device's inside is positive, the deformation groove is equipped with two, and sets up respectively at the upper and lower both ends of rubber ring, and the deformation groove is three horn shapes, the dead slot sets up the inside at the rubber ring, the support bar transversely sets up the inside at the dead slot, the width of support bar is dwindled to the inboard by the outside gradually.

Further, the contact layer includes buffer block, perforation, dashpot, the buffer block sets up the inboard at the rubber ring, the perforation is located the inside centre of buffer block, the dashpot sets up the inside side at the buffer block, the buffer block is the rubber material, and the medial surface of buffer block is the zigzag form.

Furthermore, the buffer block comprises a buffer body, cutting grooves and small convex blocks, the cutting grooves are formed in the end face of the buffer body, the number of the cutting grooves is four, the cutting grooves are vertically formed, the number of the small convex blocks is more than eight, the small convex blocks are arranged inside the cutting grooves, and the cutting grooves are triangular.

Further, water absorption device is including absorbing water sponge, inner circle, outer baffle, the cotton that absorbs water, the sponge that absorbs water is the ring form, the inner circle sets up the inside at the sponge that absorbs water, outer baffle encircles sets up in the outer terminal surface of the sponge that absorbs water, the cotton that absorbs water encircles sets up in the terminal surface of outer baffle, the cotton that absorbs water is connected with the water guide piece.

Furthermore, outer baffle includes plate body, limbers, water conservancy diversion piece, the plate body inlays the outer terminal surface at the sponge that absorbs water, the limbers is equipped with more than eight, and sets up in the terminal surface of plate body around, the water conservancy diversion piece is equipped with four, and transverse arrangement is in the limbers, the width of limbers is dwindled by outer end to inner end gradually.

Further, the water conservancy diversion piece includes water conservancy diversion body, opening, lower chute, manger plate piece, perforation, the inside of water conservancy diversion body is equipped with the opening, the lower extreme of opening is equipped with the lower chute, the width of lower chute is dwindled by the upper end to the lower extreme gradually, the manger plate piece inlays the inside at the lower chute, the perforation is equipped with six, and transverse arrangement in the top terminal surface of manger plate piece, the width of manger plate piece is dwindled by the upper end to the lower extreme gradually.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the waterproof device is arranged in the liquid guide pipe, water drops placed on the end face of the liquid guide pipe are collected by the waterproof device, and the end face of the rubber ring is supported by the support bar, so that the rubber ring can be in close contact with the outer end face of the liquid guide pipe, the water drops placed on the outer end face of the liquid guide pipe are prevented from flowing downwards into the body of a patient, and the infection of the wound of the patient is avoided.

2. The invention utilizes the water guide sheet to guide water into the water absorption cotton cloth, and then utilizes the water absorption sponge to absorb the water in the water absorption cotton cloth, thereby preventing the collected water from dripping.

Drawings

Fig. 1 is a schematic front view of a balloon catheter for kidney low-temperature perfusion according to the present invention.

Fig. 2 is a schematic front view of the main body of the present invention.

Fig. 3 is a schematic top view of the waterproof device of the present invention.

Fig. 4 is a front view of the sealing device of the present invention.

Fig. 5 is a schematic front view of a contact layer according to the present invention.

FIG. 6 is a schematic diagram of a front view structure of a buffer block according to the present invention.

FIG. 7 is a schematic top view of the water absorbing device of the present invention.

Fig. 8 is a schematic top view of the external partition board of the present invention.

Fig. 9 is a schematic top view of the flow guide block of the present invention.

In the figure: the water-proof device comprises a main body 1, a gas bag 2, a needle 3, a transfusion head 11, a connecting block 12, a catheter 13, a water-proof device 14, a water collecting frame 141, a water absorbing device 142, a sealing device 143, a water guide sheet 144, a rubber ring a1, a deformation groove a2, a contact layer a3, an empty groove a4, a supporting strip a5, a buffering block a31, a perforation a32, a buffering groove a33, a buffering body b1, a cutting groove b2, a small bump b3, a water absorbing sponge c1, an inner ring 2, an outer partition plate c3, a water absorbing cotton cloth c4, a plate body c31, a water through hole c32, a flow guide block c33, a flow guide body d1, a flow through hole d2, a lower flow groove d3, a water blocking block d4 and a perforation d 5.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The first embodiment is as follows: referring to fig. 1-6, the embodiments of the present invention are as follows:

its structure includes main part 1, gasbag 2, syringe needle 3, the end of main part 1 is equipped with gasbag 2, the end at main part 1 is installed to syringe needle 3, main part 1 includes infusion head 11, connecting block 12, catheter 13, watertight fittings 14, the inside of infusion head 11 is for cutting open the empty form, connecting block 12 is connected in the inside end of infusion head 11, watertight fittings 14 block in the outer terminal surface of catheter 13.

The waterproof device 14 includes frame 141, water absorbing device 142, sealing device 143, water guide sheet 144 catchments, frame 141 catchments is the taper, water absorbing device 142 installs the inside bottom at frame 141 catchments, sealing device 143 inlays the positive centre at water absorbing device 142, water guide sheet 144 encircles and arranges in the terminal surface of frame 141 catchments, water guide sheet 144 is equipped with eight, and encircles the form and arrange, is favorable to leading in water absorbing device 142 the drop through water guide sheet 144.

The sealing device 143 comprises a rubber ring a1, a deformation groove a2, a contact layer a3, an empty groove a4 and a support strip a5, the rubber ring a1 is embedded in the middle of the inside of the water absorption device 142, two deformation grooves a2 are arranged and are respectively arranged at the upper end and the lower end of the rubber ring a1, the deformation groove a2 is triangular, the empty groove a4 is arranged inside the rubber ring a1, the support strip a5 is transversely arranged inside the empty groove a4, the width of the support strip a5 is gradually reduced from the outer side to the inner side, and the support strip a5 is favorable for supporting the end face of the rubber ring a1, so that the rubber ring a1 can be in tight contact with the outer end face of the liquid guide tube 13.

Contact layer a3 includes buffer block a31, perforation a32, buffer slot a33, buffer block a31 sets up the inboard at rubber ring a1, perforation a32 is located the inside centre of buffer block a31, buffer slot a33 sets up the inside side at buffer block a31, buffer block a31 is the rubber material, and the inboard terminal surface of buffer block a31 is the zigzag form, is favorable to carrying out the in close contact through the terminal surface of buffer block a31 with the terminal surface of catheter 13.

Buffer block a31 includes buffer b1, grooving b2, little lug b3, buffer b 1's terminal surface is provided with grooving b2, grooving b2 is equipped with four, and is perpendicular setting, little lug b3 is equipped with more than eight, and arranges in grooving b 2's inside, grooving b2 is the triangle-shaped, is favorable to through letting buffer b1 and catheter 13 terminal surface contact time to going to take place deformation in grooving b2, makes a plurality of little lugs b3 can carry out the close contact with the terminal surface of catheter 13.

Based on the above embodiment, the specific working principle is as follows: when the low-temperature liquid is poured, because the temperature inside the conduit is lower than the temperature outside, the conduit outside the patient body is contacted with air, small water drops are easily formed and attached to the conduit, and then the small water drops flow into the patient body along the conduit wall, the waterproof device 14 can be installed in the conduit 13, the water drops on the end surface of the conduit 13 are collected by the waterproof device 14 and prevented from flowing into the patient body, then the water guide sheet 144 in the waterproof device 14 is used for guiding the water drops into the water absorption device 142, so that the water can flow into the water absorption device 142 and be concentrated, then the end surface of the rubber ring a1 is supported by the supporting strip a5, so that the rubber ring a1 can be in close contact with the outer end surface of the conduit 13, the end surface of the buffer block a31 is in close contact with the end surface of the conduit 13, and finally the cutting groove b2 is deformed when the buffer body b1 is in contact with the end surface of the conduit 13, so that the small bumps b3 can closely contact with the end surface of the catheter 13, thereby increasing the sealing performance between the sealing device 143 and the catheter 13 and preventing water drops from flowing down to understand the patient's body.

Example two: referring to fig. 7-9, the embodiment of the present invention is as follows:

water absorption device 142 includes water absorption sponge c1, inner circle c2, outer baffle c3, water absorption cotton cloth c4, water absorption sponge c1 is the ring form, inner circle c2 sets up the inside at water absorption sponge c1, outer baffle c3 encircles and sets up in water absorption sponge c 1's outer terminal surface, water absorption cotton cloth c4 encircles and sets up in outer baffle c 3's terminal surface, water absorption cotton cloth c4 is connected with water guide piece 144, is favorable to water absorption sponge c1 to absorb the moisture in water absorption cotton cloth c 4.

Outer baffle c3 includes plate body c31, limbers c32, water conservancy diversion piece c33, plate body c31 inlays the outer terminal surface at water absorption sponge c1, limbers c32 is equipped with more than eight, and sets up in the terminal surface of plate body c31 in the surrounding, water conservancy diversion piece c33 is equipped with four, and transverse arrangement is in limbers c32, limbers c 32's width is dwindled by outer end to the inner end gradually, is favorable to leading in water absorption sponge c1 through limbers c32 will arranging the moisture in water absorption cotton c4, reduces and arranges the area that water goes out to flow in water absorption sponge c1 in, stores moisture.

The diversion block c33 comprises a diversion body d1, a flow hole d2, a lower flow groove d3, a water retaining block d4 and a perforation d5, the diversion body d1 is internally provided with the flow hole d2, the lower end of the flow hole d2 is provided with the lower flow groove d3, the width of the lower flow groove d3 is gradually reduced from the upper end to the lower end, the water retaining block d4 is embedded in the lower flow groove d3, the perforation d5 is provided with six holes and is transversely arranged on the top end face of the water retaining block d4, the width of the water retaining block d4 is gradually reduced from the upper end to the lower end, and the water retaining block d4 can block the water in the water absorbing sponge c1 and prevent the water from dripping.

Based on the above embodiment, the specific working principle is as follows: the water guide sheet 144 is used for guiding water into the water absorption cotton cloth c4, the water absorption sponge c1 is used for absorbing the water in the water absorption cotton cloth c4, the situation that the water absorbed by the water absorption cotton cloth c4 drops due to too much water is prevented, the water through hole c32 is used for guiding the water in the water absorption cotton cloth c4 into the water absorption sponge c1, the area of the water flowing outwards in the water absorption sponge c1 is reduced, the water can be retained in the water absorption sponge c1 and stored, the water in the water absorption sponge c1 is blocked by the water blocking block d4, the water in the water absorption cotton cloth c4 can flow to the water absorption sponge c1 through the through hole d5 to be concentrated, and the situation that the collected water drops is prevented.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.