CN112006759A - Blood vessel sheath pipe mounting, aseptic cover of pipe and subassembly thereof - Google Patents

Abstract

The invention relates to the field of medical instruments and discloses a vascular sheath fixing part, a catheter sterile cover and a component thereof. The blood vessel sheath fixing part provided by the invention not only can be convenient for medical staff to observe the bleeding state of a puncture point, but also can prevent the situation that the dressing or the blood vessel sheath falls off or shifts to cause heavy bleeding or infection of the puncture part.

Description

Blood vessel sheath pipe mounting, aseptic cover of pipe and subassembly thereof

Technical Field

The invention relates to the field of medical instruments, in particular to a vascular sheath fixing piece, a catheter sterile cover and a component thereof.

Background

For severely occluded blood vessels, the prior art generally adopts a sterile interventional operating room to directly perform thrombolysis by placing a catheter into a lesion through a vascular sheath. Because of the need of thrombolysis treatment, patients often need to leave a vascular sheath (a catheter placed in the vascular sheath is called the vascular sheath for short) and return to the ward for thrombolysis treatment for 1-7 days. The method comprises the following steps: in thrombolysis, one part of the catheter is inserted into the blood vessel, and the other part is left outside the body. When the catheter needs to be adjusted, especially when the catheter outside the body needs to be inserted into the body, the catheter needs to be sterilized again, which not only takes a lot of time and energy for medical staff, but also brings a certain infection risk to patients.

In the thrombolysis process, the blood vessel sheath is fixed on the puncture point by using sterile small gauze and then fixed by using sterile transparent paste, medical adhesive plaster and the like. The fixing strength is limited by adopting the fixing mode, and the aseptic transparent paste can fall off when a patient sweats, changes the body position or has a puncture point at a joint. In addition, the disease is at the in-process of changing the position, thereby the sheath of blood vessel can take place to remove and cause the puncture point to bleed, the drop of sheath of blood vessel, and the aseptic transparent subsides of pressing on the aseptic gauze of adoption can only suitably stanch the puncture point, prevents that blood from flowing to other positions, nevertheless can not let medical personnel direct observation to the state of bleeding of puncture point.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a sheath catheter fixing member, a catheter sterile cover, and a kit thereof, which can observe a bleeding state of a puncture site, prevent contamination of a catheter, and prevent detachment of the catheter.

The invention provides a blood vessel sheath fixing part which is used for fixing a blood vessel sheath, wherein the blood vessel sheath is used for puncturing a blood vessel of a patient at a puncture point so as to facilitate a catheter to reach a thrombus position for thrombolysis, and the blood vessel sheath fixing part comprises: a dressing for securing the vascular sheath to the skin of a patient; at least one fixing member for fixing the sheath; wherein, the dressing includes: a hemostatic section for covering the puncture site; the observation part is made of transparent materials and is used for observing the bleeding state of the puncture point by medical staff; the adhesive part has one surface with viscosity and is used for fixing the hemostasis part and the observation part.

In the vessel sheath fixing part provided by the invention, the observation part and the hemostasis part are embedded in the bonding part, and the observation part is connected with the hemostasis part.

In the sheath fixing member of the blood vessel provided by the present invention, each fixing member includes: a fixing sheet, one side of which has adhesive and is used for adhering to the dressing; at least a pair of fixing bands, set up the both sides at the stationary blade relatively, thereby the fixing band is used for mutually supporting fixed dressing.

The utility model provides a sterile cover of pipe for cooperate with blood vessel sheath pipe and pipe, the pipe includes pipe portion and sets up the infusion portion in pipe portion one end, and the other end of pipe portion passes blood vessel sheath pipe and gets into the thrombolysis blood vessel, its characterized in that includes: one end of the cover body is connected with the blood vessel sheath in a sealing way, and the other end of the cover body is connected with the transfusion part in a sealing way and used for sealing the catheter part between the blood vessel sheath and the transfusion part.

The catheter sterile cover provided by the invention is characterized in that: wherein, the cover body is provided with an easy-to-tear line, and the length direction of the easy-to-tear line is parallel to the length direction of the cover body.

The catheter sterile cover provided by the invention is characterized by further comprising: the pair of the ailerons are arranged on the two sides of the cover body and are linearly distributed along the length direction of the cover body, and the pair of the binding bands are oppositely arranged on the ailerons on the two sides of the cover body and are used for being matched with each other so as to fix the cover body.

The catheter sterile cover provided by the invention is characterized by further comprising: the clamping piece is arranged at the end part of the cover body and used for fixing the cover body and sealing the end part of the cover body.

The catheter sterile cover provided by the invention is characterized in that: wherein, the cover body is a flexible piece, and the length of the cover body is 50cm-150 cm.

The catheter sterile cover provided by the invention is characterized in that: wherein, the cover body surface has the scale, and this scale sets up along cover body length direction.

A vascular sheath assembly, comprising: a sheath catheter fixing member; and a catheter sterile cover.

Action and Effect of the invention

According to the vessel sheath fixing piece, the dressing comprises the hemostasis part, the observation part and the bonding part, and the fixing band is arranged on the dressing. In the thrombolysis process, hemostasis can be performed through the hemostasis part, the bleeding state of the puncture point can be observed through the observation part, and the blood vessel sheath tube can be fixed through the bonding part and the fixing band. Therefore, the blood vessel sheath fixing part provided by the invention not only can be convenient for medical staff to observe the bleeding state of the puncture point, but also can prevent the dressing or the blood vessel sheath from falling off or shifting to cause the condition of heavy bleeding or infection of the puncture part.

Drawings

FIG. 1 is a schematic view of a vascular sheath assembly according to example 1 of the present invention;

FIG. 2 is a schematic view of a vascular sheath in example 1 of the present invention;

FIG. 3 is a schematic view of a catheter in example 1 of the present invention;

FIG. 4 is a schematic view of a dressing in example 1 of the present invention;

fig. 5 is a schematic view of a fixing member in embodiment 1 of the present invention; and

figure 6 is a schematic view of a dressing in example 2 of the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is specifically described below by combining the embodiment and the attached drawings.

< example 1>

Fig. 1 is a schematic view of a vascular sheath assembly in example 1 of the present invention.

As shown in fig. 1, the blood vessel sheath assembly 100 provided by the present embodiment includes a blood vessel sheath 10, a catheter 20, a blood vessel sheath fixing member, and a catheter sterile cover 50.

Fig. 2 is a schematic view of a vascular sheath in example 1 of the present invention.

As shown in fig. 2, the vascular sheath 10 of the present embodiment includes a connector 101, a threading tube 102, an infusion tube 103, and a three-way valve 104. The connector 101 is cylindrical, and a rubber sheet having a slit is mounted on the inner side surface thereof. The tail end of the connector 101 is provided with an annular groove, and the middle part is provided with a transfusion port. One end of the penetration pipe 102 is embedded in the head end of the connector 101, and the other end is a free end. One end of the infusion tube 103 is sleeved on the infusion port, and the other end is embedded in the output end of the three-way valve 104.

Fig. 3 is a schematic view of a catheter in example 1 of the present invention.

As shown in fig. 3, the catheter 20 in the present embodiment is a thrombolysis catheter 20, and the thrombolysis catheter 20 includes a catheter portion 201 and a transfusion portion 202. The length of the conduit part 201 is 100mm, one end of the conduit part is provided with 10 small holes, and the distance between every two adjacent small holes is 10 mm. The other end of the conduit 20 has a mounting seat with an external thread on the outside. The infusion part 202 has an internal thread adapted to the external thread on the outer side of the mounting seat, and the infusion part 202 is screwed to the mounting seat through the internal thread. The infusion part 202 has a ring groove at the end near the connection head 101. One end of the conduit part 201 with a small hole passes through the penetrating pipe 102 through a crack on the rubber sheet. It should be noted that the catheter part 201 is used for delivering the thrombolytic drug to the thrombus site, because the catheter part 201 is slidably connected to the sheath 10, and the rubber sheet is closely attached to the outer surface of the catheter part 201 to prevent the reverse flow of blood.

The sheath 10 is used for percutaneous puncture placement into the vascular system to provide support and guidance for a catheter or guidewire to reduce bleeding at the puncture site and relieve pain for the patient, thereby facilitating the operation of the physician. Wherein, the catheter 20 is mounted on the vascular sheath 10 and forms a vascular sheath with the vascular sheath 10.

The sheath fixing member in this embodiment includes a dressing 30 and a fixing member 40.

Fig. 4 is a schematic view of a dressing in example 1 of the present invention.

As shown in fig. 4, the dressing 30 in this embodiment is rectangular. The dressing 30 includes an adhesive portion 301, a hemostatic portion 302, and a viewing portion 303.

The adhesive portion 301 has a rectangular shape, and has adhesive on one surface and no adhesive on the other surface. In addition, in order to reduce the discomfort of the adhesive portion to the skin, the adhesive portion 301 is made of a breathable material in the present embodiment.

The hemostatic section 302 has a circular outer shape, and the hemostatic section 302 is fitted into the adhesive section 301 at an end close to the adhesive section 301. The hemostatic section 302 is intended to draw blood flowing from a puncture site, and therefore the hemostatic section 302 may be made of gauze, medical nonwoven fabric, or cotton yarn having an adsorption ability. In this embodiment, the hemostatic section 302 is made of cotton yarn.

The observation portion 303 is elongated in shape and 20mm in width. The observation portion 303 is embedded in the adhesive portion 301, and has one end extending to the hemostatic portion 302 and the other end extending to the edge of the adhesive portion 301. The observation portion 303 is a transparent film made of a medical silica gel material.

Fig. 5 is a schematic view of a fixing member in embodiment 1 of the present invention.

As shown in fig. 5, the fixing member 40 in this embodiment includes a fixing sheet 401 and 6 transparent fixing tapes 402. The fastening sheet 401 has the same size as the dressing 30 and has adhesive on one side. The 6 fixing bands 402 are divided into two groups, the number of each group of fixing bands 402 is 3, and the two groups of fixing bands 402 are oppositely arranged on the non-adhesive side of the fixing plate 401. The securing straps 402 in each set have free ends for binding with the free ends in the other set. In addition, in order to facilitate the medical staff to place the fixing member 40, a hook and loop fastener is installed at the free end of the fixing band 402. After the thrombolysis is completed, the fixing piece 401 is covered on the catheter 20 outside the body, and at this time, the hair surface of the hook and loop fastener is adhered to the hook surface of the hook and loop fastener.

It should be noted that the hair side and the hook side of the magic tape are both strip-shaped, and the length of the hair side is greater than that of the hook side. In order to adapt to the longer length of the hair surface of patients with different body types, medical staff can cut off the hair surface with the excessive length through scissors after the hair surface is bonded with the hook surface. In addition, the hook surface and the hair surface of the magic tape do not contact the human body for improving the comfort of the patient.

In other embodiments, the fixing bands 402 may be connected to each other by buttons or directly bound, and the fixing bands 402 may not be exhaustive to fix the extracorporeal catheter 20 by other means.

Catheter sterility cover 50 includes a cover 501 and a snap (not shown). The cover 501 is a flexible member, and has a tubular shape, a length of 100mm, and a diameter of 20 mm. The cover body 501 is provided with an easy-to-tear line, and the length direction of the easy-to-tear line is parallel to the length direction of the cover body 501, so that the cover body 501 can be torn off conveniently when the catheter 20 is disinfected. The 16 flaps 502 are divided into two groups, with 8 flaps 502 per group. The two sets of flaps 502 are arranged on two sides of the cover 501 and are linearly distributed along the length direction of the cover 501, and the distance between the adjacent flaps 502 on the same side is 10 mm.

In this embodiment, the flap 502 has a trapezoidal shape with a bottom edge disposed on the cover 501 and a top edge that is free and distal from the cover 501. In other embodiments, the flap 502 may have other shapes, such as rectangular, semi-circular, etc.

Each flap 502 has a strap 503 thereon. Wherein, one end of the strap 503 is bonded on the flap 502, and the other end is a free end. The free end of the strap 503 is used to bind with the free end of the opposite strap 503 to secure the cover 501.

The cover body 501 is sleeved outside the conduit part 201 between the connector 101 and the infusion part 202, one end of the cover body is fixed in an annular groove on the connector 101 through a clamping piece, so that the cover body 501 is hermetically connected with the connector 101, and the other end of the cover body is fixed in an annular groove on the infusion part 202 through a clamping piece, so that the cover body 501 is hermetically connected with the infusion part 202, and the conduit part 201 between the connector 101 and the infusion part 202 is hermetically connected.

In this embodiment, to facilitate the medical staff to visually observe the catheter 20, the cover 501 is transparent, and the outer surface has scales along the length direction of the cover 501.

The cover body 501 is sleeved outside the conduit pipe portion 201, one end of the cover body is connected with the infusion portion 202 in a sealing mode through the clamping piece, the other end of the conduit pipe portion 201 penetrates through the through pipe 102 through the crack, and at the moment, the other end of the cover body 501 is connected with the connector 101 in a sealing mode through the clamping piece.

The vascular sheath assembly 100 provided in this embodiment performs catheterization and thrombolysis by taking "femoral artery retrograde puncture" as an example as follows:

step 1, performing conventional skin disinfection treatment on the patient's inguinal ligament, and determining the strongest pulse position of the femoral artery as a puncture point by the index finger and the middle finger of the left hand at 1.5cm below the inguinal ligament. Fixing the puncture point, injecting anesthetic into the puncture point, and cutting a 2mm incision on the skin by using a sharp-pointed blade;

and 2, enabling the puncture needle and the skin to form an included angle of 45 degrees and penetrate through the incision, and rapidly inserting the puncture needle in the direction opposite to the flowing direction of the blood flow to puncture the common femoral artery. When bright red blood emerges from the tail part of the puncture needle, the included angle between the puncture needle and the skin is changed to 15 degrees, and the catheter part 201 is inserted into the puncture tube 102;

step 3, when the catheter part 201 is inserted into the femoral artery by 20-40 cm, the puncture needle is pulled out, the left finger is used for pressing the puncture point to stop bleeding and fix the catheter 20, the guide wire is inserted into the vascular sheath with the dilator, the dilator is withdrawn and the vascular sheath is reserved, heparin diluent is injected through the three-way valve interface of the vascular sheath, then the heparin diluent is sent into the catheter through the sheath tube along the guide wire, and the guide wire is withdrawn after the catheter is fed to a required length;

step 4, under X-ray fluoroscopy, the head end of the catheter is pushed into the needed artery or the branch thereof, the contrast agent amount and the contrast radiography program are determined according to the contrast requirement, and the tail end of the catheter is connected with a high-pressure injector for radiography after the position is positioned;

and 5, after the examination is finished, selecting a proper catheter to enter the lesion part for placing the catheter for thrombolysis according to the contrast condition, withdrawing the guide wire, fixing the vascular sheath by using the dressing, and returning to the ward for thrombolysis treatment for 1-7 days.

And 6, the doctor determines whether to directly perform extubation treatment in the ward or perform secondary radiography or treatment in the interventional operating room after evaluation according to the thrombolysis time and effect of the patient in the ward.

Effects and effects of the embodiments

According to the blood vessel sheath tube component related to the embodiment, the blood vessel sheath tube fixing component comprises a dressing and a fixing belt arranged on the dressing. Wherein the dressing comprises a hemostasis part, a viewing part and an adhesive part. At the in-process of thrombolysis, owing to use thrombolysis and anticoagulant, the puncture point of disease has the oozing blood or bleeds, and blood dyeing red hemostasis portion causes medical personnel can't learn whether the puncture point bleeds, nevertheless bleeds and can flow to the observation part, and medical personnel's accessible transparent observation part observes that the puncture point has or not to continue to bleed. In addition, through the design of the bonding part and the fixing band, the sheath tube is prevented from being pulled out by a patient or the dressing is prevented from falling off due to excessive movement, so that the major bleeding or infection of the puncture part is prevented.

According to the vessel sheath tube assembly of the embodiment, since the vessel sheath tail end and the catheter left outside the body use the catheter sterile cover capable of keeping the sterility of the catheter outside the body, a doctor does not need to sterilize the catheter when adjusting the thrombolysis catheter, thereby improving the working efficiency.

In the blood vessel sheath assembly provided by the embodiment, because the scale is arranged on the outer side of the sterile cover sleeve of the catheter, a doctor can judge the length of the catheter entering the blood vessel according to the length of the sterile cover sleeve of the catheter after being folded, and the doctor is prevented from conveying the catheter while observing the instrument.

In the blood vessel sheath tube assembly provided by the embodiment, because the fixing piece is arranged, the fixing piece can be arranged at the edge position of the dressing to reinforce the blood vessel sheath tube.

In the vascular sheath pipe subassembly that this embodiment provided, have easily tearing the line on the cover body, when the cover body need be dismantled and the pipe is disinfected, tear the cover body along easily tearing the line.

In the vascular sheath pipe subassembly that this embodiment provided, bandage on the mounting passes through the magic and pastes and connect, and the hook face and the hair side that the magic was pasted all do not contact with skin, not only make things convenient for medical personnel to fix, have improved the travelling comfort of disease moreover.

In the blood vessel sheath tube assembly provided by the embodiment, because the binding band in the fixing piece has the hook surface and the hair surface with different lengths, the blood vessel sheath tube assembly can be suitable for patients with different body types. In addition, the hair side with the excessive length can be reduced by the scissors, and the hair side is prevented from being hung in other places.

< example 2>

Figure 6 is a schematic view of a dressing in example 2 of the present invention.

As shown in fig. 6, the dressing 60 in this embodiment includes a circular hemostatic portion 601, an annular viewing portion 602, and an annular adhesive portion 603. The diameter of the hemostatic section 601 is 20 mm. The observation portion 602 has an inner diameter of 20mm and an outer diameter of 30 mm. The inner diameter of the adhesive part was 30mm and the outer diameter was 33 mm. The observation portion 602 is fixedly connected to the hemostatic portion 601 and the adhesive portion by means of an adhesive.

When the sheath is fixed by using the dressing provided in this embodiment, the entire sheath is covered by the dressing via the adhesive portion 603, and the hemostatic portion 601 is located above the puncture site. When the puncture point is bled, in time stanch to the puncture point through hemostasis portion 601, the hemostatic degree of hemostasis portion 601 is limited, and too much hemorrhage flows to observation portion 602 through the flow direction of difference, because observation portion 602 encircles and is established in hemostasis portion 601, so can avoid bleeding from the dead angle outflow to make things convenient for medical personnel to in time do corresponding processing according to the state of bleeding of puncture point.

The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.

Claims (10)

1. A vascular sheath mounting for mounting a vascular sheath for puncturing a patient's blood vessel at a puncture site to facilitate catheter access to a thrombus site for thrombolysis, comprising:

a dressing for securing the vascular sheath to the patient's skin;

at least one fixing member for fixing the sheath;

wherein the dressing comprises:

a hemostatic section for covering the puncture site;

the observation part is made of transparent materials and is used for observing the bleeding state of the puncture point by the medical staff;

and an adhesive part having one surface with adhesiveness for fixing the hemostatic part and the observation part.

2. The blood vessel sheath fixing member as claimed in claim 1,

wherein, observation portion and hemostasis portion inlay and establish in the bonding portion, observation portion with hemostasis portion is connected.

3. The blood vessel sheath fixing member as claimed in claim 1, wherein:

wherein each of the fixing members includes:

a fixing sheet having an adhesive on one side thereof for adhering to the dressing;

at least one pair of fixing belts which are oppositely arranged at two sides of the fixing sheet and are used for mutually matching so as to fix the dressing.

4. The utility model provides a sterile cover of pipe for cooperate with blood vessel sheath and pipe, the pipe includes the pipe portion and sets up the infusion portion of pipe portion one end, the other end of pipe portion passes the blood vessel sheath and gets into the thrombolysis blood vessel, its characterized in that includes:

the cover body, one end with blood vessel sheath sealing connection, the other end with infusion portion sealing connection is used for sealing the blood vessel sheath with between the infusion portion the pipe portion.

5. The catheter sterility cover of claim 4, wherein:

the cover body is provided with an easy-to-tear line, and the length direction of the easy-to-tear line is parallel to the length direction of the cover body.

6. The catheter sterility cover of claim 4, further comprising:

the ailerons are arranged on two sides of the cover body and are linearly distributed along the length direction of the cover body;

a plurality of pairs of straps oppositely disposed on the flaps on both sides of the cover, the straps for cooperating to secure the cover.

7. The catheter sterility cover of claim 4, further comprising:

the clamping piece is arranged at the end part of the cover body and used for fixing the cover body and sealing the end part of the cover body.

8. The catheter sterility cover of claim 4, wherein:

wherein, the cover body is a flexible piece, and the length of the cover body is 50cm-150 cm.

9. The catheter sterility cover of claim 4, wherein:

the surface of the cover body is provided with scales which are arranged along the length direction of the cover body.

10. A vascular sheath assembly, comprising:

the vascular sheath fastener of any one of claims 1 to 3; and

a catheter sterility cover as defined in any one of claims 4 to 9.

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