CN213994544U

CN213994544U - Neural intervention operation is with supplementary seal wire insertion device

Info

Publication number: CN213994544U
Application number: CN202021282278.XU
Authority: CN
Inventors: 陆亚文; 余音; 漆丹; 沈启琳
Original assignee: People's Hospital Of Weining Yi Hui Miao Autonomous County
Current assignee: People's Hospital Of Weining Yi Hui Miao Autonomous County
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-08-20
Anticipated expiration: 2030-07-02

Abstract

The utility model belongs to the technical field of auxiliary device technique and specifically relates to a neural intervention operation is with supplementary seal wire insertion device, through supplementary lid, the cingulum, the effect of tensile head, make the seal wire when penetrating, can be earlier through tensile head effect, stretch to the retainer plate with it, and insert in the retainer plate centre bore, again under the continuous impetus to the seal wire at the back, make the seal wire pass the retainer plate, enter into supplementary intubate, pass through retainer plate inside slip head effect again, slide the seal wire to supplementary intubate end, alleviate the seal wire and penetrate the degree of difficulty in the trocar, seal wire insertion efficiency has been improved, the medical personnel work degree of difficulty has been reduced.

Description

Neural intervention operation is with supplementary seal wire insertion device

Technical Field

The utility model belongs to the technical field of auxiliary device technique and specifically relates to a neural supplementary seal wire insertion device of interveneeing operation of using.

Background

The nerve intervention operation has become an important means for preventing and treating cerebrovascular diseases due to the characteristics of minimal invasion, safety, low complication and the like. At present, in the nerve interventional operation, a catheter and a guide wire are often inserted into an artery to achieve the purpose of interventional operation treatment. However, during the insertion of the guide wire, many problems are often encountered, which affect the guide wire penetration of the medical staff, resulting in a large workload of the medical staff and a low guide wire penetration efficiency, mainly due to the following reasons: the guide wire is thin, the guide tube hole is thin, and the guide wire is soft, so that the guide wire is often blocked and difficult to insert when being inserted into a guide tube or a trocar, the guide wire is difficult to enter the trocar, and the working strength is high; secondly, after the guide wire is inserted into the trocar, the guide wire is often inserted with force at a distance from the tail end of the guide wire, and due to the defects of small and soft guide wire and the like, the guide wire is bent and twisted in the trocar in the insertion process, so that the guide wire is difficult to enter the arterial blood vessel.

At present, what xu, pay yunpeng, pay billow etc. disclose in 201920661219.4 a neural for operation seal wire insert auxiliary device that intervenes to the seal wire at the insertion in-process, because the seal wire front end is soft, make the seal wire enter into arterial blood intraduct after, reasons such as its power of sending is not enough, it is unsatisfactory to cause the seal wire to insert, insert the great defect of the degree of difficulty, it sets up the cavity to the inside of sleeve syringe needle, make the seal wire can follow and pass, it designs the power of sending and designs the centre gripping seal wire, the realization is to syringe needle end power of sending, alleviate the guide wire in the interior degree of difficulty of inserting of sleeve syringe needle. However, the guide wire is soft, and the hollow hole of the sleeve of the trocar is not too large, otherwise the guide wire is easy to be turned and bent in the sleeve of the trocar, and the insertion effect and the insertion efficiency of the guide wire are further influenced; when the hollow hole of the cannula is too small, the guide wire is difficult to insert in advance due to the flexibility of the guide wire.

In view of this, when the guide wire is inserted into the trocar with a smaller cannula aperture, the researcher can pre-straighten the guide wire, and penetrate the guide wire into the auxiliary cannula in an insertion manner, so as to realize rapid insertion of the guide wire, and an auxiliary device is provided for the guide wire to be inserted into the trocar.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem in the prior art, the utility model provides a neural intervention operation is with supplementary seal wire insertion device.

The method is realized by the following technical scheme:

the auxiliary guide wire insertion device for the nerve interventional operation comprises an auxiliary sleeve with two open ends, an auxiliary insertion tube arranged at one end of the auxiliary sleeve, and an auxiliary plug arranged on the auxiliary insertion tube; the auxiliary cannula is provided with a fixed ring in the inner part close to the end of the auxiliary cannula, the center of the fixed ring is provided with a central hole for a guide wire to pass through, a sliding head capable of freely sliding is arranged in the central hole, and the guide wire can pass through the sliding head in a tangent mode; the other end of the auxiliary sleeve is provided with an auxiliary cover, and the center of the auxiliary cover is provided with a central through hole for the guide wire to pass through; a stretching head is arranged in the auxiliary sleeve, and the stretching head can freely slide in the auxiliary sleeve; a toothed belt is arranged between the stretching head and the auxiliary cover, and the length of the toothed belt in the auxiliary sleeve can be adjusted through the auxiliary cover.

Through the effect of supplementary lid, cingulum, tensile head for the seal wire when penetrating, can be earlier through tensile head effect, stretch it to the retainer plate, and insert in the retainer plate centre bore, again under the continuous pushing action to the seal wire at the back, make the seal wire pass the retainer plate, enter into supplementary intubate, through the first effect of retainer plate internal slipping, slide the seal wire to supplementary intubate end, alleviate the degree of difficulty that the seal wire penetrated in the trocar, improved seal wire insertion efficiency, reduced medical personnel's the work degree of difficulty.

In order to facilitate the disassembly, the overhaul, the installation and the replacement, preferably, the auxiliary sleeve is in threaded connection with the auxiliary insertion pipe.

In order to reduce the insertion difficulty, preferably, the fixing ring is located at the surface of the auxiliary sleeve end, and the auxiliary sleeve end is sunken to form a funnel shape, and the stretching head faces the end surface of the fixing ring, and the funnel-shaped structure of the fixing ring is matched with the end surface of the fixing ring.

In order to avoid the stretching head from clamping the guide wire, so that the guide wire is pushed to slide with large resistance, and the guide wire is not easy to insert, preferably, the stretching head is composed of two stretching bodies, the stretching bodies are positioned in the centers of the end surfaces of the auxiliary covers to form a compression space, compression springs are arranged in the compression space, when the compression springs naturally stretch, the stretching bodies are close to the near ends, and when the compression springs compress, the near ends of the stretching bodies stretch; the supporting column is arranged on the fixing ring, the stretching body corresponds to the position of the supporting column, a fixing socket is arranged at the position of the supporting column, the supporting column can be inserted into the fixing socket, and when the supporting column is inserted into the fixing socket, the stretching body can be located at one end of the inner wall of the auxiliary sleeve and jacked up towards the direction close to the auxiliary cover, and at the moment, the compression spring compresses.

In order to reduce the resistance, it is preferable that the inner wall of the auxiliary insertion tube is provided with a pulley near the end of the auxiliary plug, and the pulley can freely roll on the inner wall.

In order to realize inserting the seal wire into the centre bore in the retainer plate after, can pass through the extrusion sliding head, and make the sliding head rotatory, realize bringing the seal wire into the auxiliary plug, be convenient for introduce the seal wire, preferably, the sliding head on be equipped with the torsion bar, just the torsion bar passes the retainer plate, extends to the outside of supplementary intubate, just the torsion bar can support tightly through twisting the sliding head.

In order to realize the toothed belt movement, so that when the stretching head pulls and inserts the guide wire towards the auxiliary plug end, the friction resistance can be reduced, preferably, the auxiliary cover comprises a connecting socket connected with the auxiliary sleeve and at least two longitudinal through holes arranged around the central through hole, and the longitudinal through holes are communicated with the inside of the auxiliary sleeve and the outside of the auxiliary sleeve; a second through hole communicated with the longitudinal through hole is formed between the central through hole and the longitudinal through hole, a first through hole is formed in the longitudinal through hole opposite to the second through hole, and the longitudinal through hole is communicated with the outside of the auxiliary cover; two first bearings are arranged in the first through hole, a first rotating shaft is arranged in each first bearing, a first gear is arranged at the end part, located on the longitudinal through hole side, of each first rotating shaft, and a rotating button is arranged at the end part, located outside the auxiliary cover, of each first rotating shaft; two second bearings are arranged in the second through hole, a second gear is arranged at the end part of the second bearing, which is positioned on the side of the longitudinal through hole, and an extrusion wheel is arranged at the end part of the second bearing, which is positioned on the side of the central through hole; the extrusion wheel can be tangent to the guide wire and tightly attached to the guide wire; a toothed belt is arranged in the longitudinal through hole and comprises a steel sheet in the center, and a first toothed belt and a second toothed belt which are respectively arranged on two sides of the steel sheet; the first gear is matched with the first toothed belt; the second gear is matched with the second gear belt.

In order to ensure the stability of the guide wire pulling process and prevent the stretching head and the toothed belt from falling off, preferably, the toothed belt is fixedly connected with the stretching head.

Compared with the prior art, the invention has the technical effects that:

the utility model discloses simple structure, it is convenient to use, can alleviate medical personnel seal wire threading process's the degree of difficulty for in the seal wire can penetrate supplementary intubate fast, the seal wire of being convenient for is introduced, has reduced the seal wire and has introduced the degree of difficulty.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged sectional structural view of the auxiliary lid.

FIG. 3 is a schematic view of the trocar installation with the device inserted into the trocar with a guidewire.

1-auxiliary sleeve 2-auxiliary intubation tube 3-auxiliary plug 4-guide wire 5-stretching head 6-fixed ring 7-sliding head 8-torsion rod 9-pulley 10-toothed belt 11-auxiliary cover;

5.1-stretching the body 5.2-fixing the socket 5.3-compressing the space 5.4-compressing the spring;

10.1-steel sheet 10.2-first toothed belt 10.3-second toothed belt;

11.1-connecting socket 11.2-first through hole 11.3-first bearing 11.4-first rotating shaft 11.5-rotating knob 11.6-first gear 11.7-longitudinal through hole 11.8-central through hole 11.9-second through hole 11.10-second gear 11.11-second bearing 11.12-extrusion wheel.

Detailed Description

The technical solution of the present invention is further defined below with reference to the specific embodiments, but the scope of protection is not limited to the description.

As shown in fig. 1 and 2, in this embodiment, the auxiliary guide wire insertion device for the neural intervention operation includes an auxiliary cannula 1 with two open ends, an auxiliary cannula 2 provided at one end of the auxiliary cannula 1, and an auxiliary plug 3 provided on the auxiliary cannula 2; a fixed ring 6 is arranged inside the auxiliary cannula 2 close to the end of the auxiliary cannula 1, a central hole for a guide wire 4 to pass through is formed in the center of the fixed ring 6, a sliding head 7 capable of sliding freely is arranged in the central hole, and the guide wire 4 can pass through the sliding head 7 in a tangent mode; the other end of the auxiliary sleeve 1 is provided with an auxiliary cover 11, and the center of the auxiliary cover 11 is provided with a central through hole 11.8 for the guide wire 4 to pass through; a stretching head 5 is arranged in the auxiliary sleeve 1, and the stretching head 5 can freely slide in the auxiliary sleeve 1; a toothed belt 10 is arranged between the stretching head 5 and the auxiliary cover 11, and the length of the toothed belt 10 in the auxiliary sleeve 1 can be adjusted through the auxiliary cover 11. The auxiliary plug 3 is detachably connected with the auxiliary insertion tube 2.

In the using process, as shown in fig. 3, the sleeve of the trocar is inserted into the auxiliary cannula 2, the inner diameter center of the sleeve of the trocar is aligned with the central hole of the fixing ring 6, the needle of the trocar is inserted into the auxiliary plug 3, the auxiliary plug 3 and the auxiliary cannula 2 are connected into a whole, the sleeve of the trocar and the needle of the trocar are both fixed inside the auxiliary cannula 2 and the auxiliary plug 3, the end of the guide wire 4 is clamped by the stretching head 5, and the guide wire is in a straight state between the stretching heads 5, the toothed belt 10 is moved, so that the toothed belt 10 extends into the auxiliary sleeve 1 and gradually extends until the stretching head 5 abuts against the fixing ring 6, so that the guide wire is rapidly inserted into the central hole of the fixing ring 6 and abuts against the sliding head 7 tangentially; at the moment, the clamping part of the stretching head 5 is opened, the guide wire 4 is pushed at the tail end, the guide wire 4 moves forwards, the guide wire can quickly enter the sleeve of the trocar, the guide wire is pushed to move forwards under the action of the internal structure of the sleeve of the trocar and the action of the sliding head 7 until the guide wire penetrates out of the needle head of the trocar, the auxiliary plug 3 is unscrewed, the auxiliary plug 3 is separated from the auxiliary cannula 2, the sleeve and the needle head of the trocar are taken out, the penetration of the guide wire in the sleeve needle head can be completed, and the efficiency is improved.

In this embodiment, the auxiliary sleeve 1 is screwed to the auxiliary cannula 2. The connection, the disassembly, the installation and the maintenance are convenient.

In this embodiment, the surface of the fixing ring 6 at the end of the auxiliary sleeve 1 is recessed towards the end of the auxiliary cannula 2 in a funnel shape, and the shape of the end surface of the stretching head 5 facing the fixing ring 6 is matched with the funnel-shaped structure of the fixing ring 6. The guide wire can be inserted quickly, and the insertion accuracy is improved.

In this embodiment, the stretching head 5 is composed of two stretching bodies 5.1, the stretching body 5.1 is located in the center of the end surface of the auxiliary cover 11 to form a compression space 5.3, a compression spring 5.4 is arranged in the compression space 5.3, when the compression spring naturally stretches, the near end of the stretching body 5.1 is close to the near end, and when the compression spring 5.4 compresses, the near end of the stretching body 5.1 is open; be equipped with the support column on the retainer plate 6, tensile body 5.1 is corresponding support column position department is equipped with fixed socket 5.2, the support column can insert in fixed socket 5.2, and when the support column inserted fixed socket 5.2, can with tensile body 5.1 is located the one end of auxiliary sleeve 1 inner wall is to the direction jack-up that is close to auxiliary cover 11, at this moment, compression spring 5.4 compresses.

In this embodiment, the inner wall of the auxiliary insertion tube 2 is provided with a pulley 9 at the end near the auxiliary plug 3, and the pulley 9 can freely roll on the inner wall. The needle insertion of the trocar is convenient.

In this embodiment, a torsion bar 8 is disposed on the slider 7, and the torsion bar 8 passes through the fixing ring 6 and extends to the outside of the auxiliary insertion tube 2, and the torsion bar 8 can tightly abut against the slider 7 through torsion. The torsion rod 8 is twisted to extrude the sliding head 7, so that the sliding head 7 rolls, and the guide wire is driven to enter the sleeve of the sleeve needle.

In this embodiment, the auxiliary cap 11 comprises a connection socket 11.1 connected to the auxiliary sleeve 1, and at least two longitudinal through holes 11.7 arranged around the central through hole 11.8, the longitudinal through holes 11.7 communicating the inside of the auxiliary sleeve 1 with the outside of the auxiliary sleeve 1; a second through hole 11.9 communicated with the longitudinal through hole 11.7 is arranged between the central through hole 11.8 and the longitudinal through hole 11.7, a first through hole 11.2 is arranged on the longitudinal through hole 11.7 opposite to the second through hole 11.9, and the longitudinal through hole 11.7 is communicated with the outside of the auxiliary cover 11 through the first through hole 11.2; two first bearings 11.3 are arranged in the first through hole 11.2, a first rotating shaft 11.4 is arranged in the first bearings 11.3, a first gear 11.6 is arranged at the end part of the first rotating shaft 11.4, which is positioned at the side of the longitudinal through hole 11.7, and a rotating button 11.5 is arranged at the end part of the first rotating shaft 11.4, which is positioned outside the auxiliary cover 11; two second bearings 11.11 are arranged in the second through hole 11.9, a second gear 11.10 is arranged at the end part of the second bearing 11.11 on the side of the longitudinal through hole 11.7, and a squeezing wheel 11.12 is arranged at the end part of the second bearing 11.11 on the side of the central through hole 11.8; the extrusion wheel 11.12 can be tangent to the guide wire 4 and is tightly attached; a toothed belt 10 is arranged in the longitudinal through hole 11.7, and the toothed belt 10 comprises a steel sheet 10.1 at the center and a first toothed belt 10.2 and a second toothed belt 10.3 which are respectively arranged at two sides of the steel sheet 10.1; the first gear 11.6 is matched with the first toothed belt 10.2; the second gear 11.10 is matched to the second toothed belt 10.3.

In this embodiment, the toothed belt 10 is fixedly connected to the stretching head 5. And the stability is guaranteed.

The invention may be practiced otherwise than as specifically described with reference to the prior art or to the common general knowledge and conventional techniques known to those skilled in the art.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. An auxiliary guide wire insertion device for a nerve intervention operation is characterized by comprising an auxiliary sleeve (1) with two open ends, an auxiliary cannula (2) arranged at one end of the auxiliary sleeve (1), and an auxiliary plug (3) arranged on the auxiliary cannula (2); a fixing ring (6) is arranged inside the end, close to the auxiliary sleeve (1), of the auxiliary insertion tube (2), a central hole for a guide wire (4) to pass through is formed in the center of the fixing ring (6), a sliding head (7) capable of sliding freely is arranged in the central hole, and the guide wire (4) can pass through the sliding head (7) in a tangent mode; an auxiliary cover (11) is arranged at the other end of the auxiliary sleeve (1), and a central through hole (11.8) for the guide wire (4) to pass through is formed in the center of the auxiliary cover (11); a stretching head (5) is arranged in the auxiliary sleeve (1), and the stretching head (5) can freely slide in the auxiliary sleeve (1); a toothed belt (10) is arranged between the stretching head (5) and the auxiliary cover (11), and the toothed belt (10) can adjust the length of the toothed belt in the auxiliary sleeve (1) through the auxiliary cover (11).

2. The auxiliary guide wire insertion device for the neural intervention operation as set forth in claim 1, wherein the auxiliary cannula (1) is threadedly connected to the auxiliary insertion tube (2).

3. The auxiliary guide wire insertion device for the neuro-interventional surgery as defined in claim 1, wherein the surface of the fixing ring (6) at the end of the auxiliary cannula (1) is recessed toward the end of the auxiliary cannula (2) in a funnel shape, and the end surface of the stretching head (5) facing the fixing ring (6) is shaped to match the funnel-shaped structure of the fixing ring (6).

4. The auxiliary guide wire insertion device for the neural intervention operation as set forth in claim 1 or 3, wherein the stretching head (5) is composed of two pieces of stretching bodies (5.1), the stretching bodies (5.1) are positioned at the center of the end surface of the auxiliary cover (11) to form a compression space (5.3), a compression spring (5.4) is arranged in the compression space (5.3), when the compression spring is naturally stretched, the near ends of the stretching bodies (5.1) are attached tightly, and when the compression spring (5.4) is compressed, the near ends of the stretching bodies (5.1) are opened; be equipped with the support column on retainer plate (6), tensile body (5.1) is corresponding support column position department is equipped with fixed socket (5.2), the support column can insert in fixed socket (5.2), and when the support column inserted fixed socket (5.2), can with tensile body (5.1) is located the one end of auxiliary sleeve pipe (1) inner wall is to the direction jack-up that is close to auxiliary cover (11), at this moment, compression spring (5.4) compression.

5. An auxiliary guide wire insertion device for nerve interventional surgery as defined in claim 1, 2 or 3, characterized in that the auxiliary insertion tube (2) has a pulley (9) on its inner wall near the end of the auxiliary plug (3), and the pulley (9) can freely roll on the inner wall.

6. The auxiliary guide wire insertion device for the neural intervention operation as claimed in claim 1, wherein a torsion bar (8) is provided on the slider (7), and the torsion bar (8) passes through the fixing ring (6) and extends to the outside of the auxiliary insertion tube (2), and the torsion bar (8) can be tightly pressed against the slider (7) by torsion.

7. The auxiliary guide wire insertion device for neuro-interventional surgery as defined in claim 1, wherein the auxiliary cap (11) comprises a connection socket (11.1) connected with the auxiliary sleeve (1), and at least two longitudinal through holes (11.7) provided around the central through hole (11.8), the longitudinal through holes (11.7) communicating the inside of the auxiliary sleeve (1) with the outside of the auxiliary sleeve (1); a second through hole (11.9) communicated with the central through hole (11.8) and the longitudinal through hole (11.7) is arranged between the central through hole and the longitudinal through hole, a first through hole (11.2) is arranged on the longitudinal through hole (11.7) opposite to the second through hole (11.9), and the longitudinal through hole (11.7) is communicated with the outside of the auxiliary cover (11) through the first through hole (11.2); two first bearings (11.3) are arranged in the first through hole (11.2), a first rotating shaft (11.4) is arranged in the first bearings (11.3), a first gear (11.6) is arranged at the end part of the first rotating shaft (11.4) positioned at the side of the longitudinal through hole (11.7), and a rotating button (11.5) is arranged at the end part of the first rotating shaft (11.4) positioned outside the auxiliary cover (11); two second bearings (11.11) are arranged in the second through hole (11.9), a second gear (11.10) is arranged at the end part of the second bearing (11.11) on the side of the longitudinal through hole (11.7), and a squeezing wheel (11.12) is arranged at the end part of the second bearing (11.11) on the side of the central through hole (11.8); the extrusion wheel (11.12) can be tangent to the guide wire (4) and is tightly attached to the guide wire; a toothed belt (10) is arranged in the longitudinal through hole (11.7), and the toothed belt (10) comprises a steel sheet (10.1) at the center and a first toothed belt (10.2) and a second toothed belt (10.3) which are respectively arranged on two sides of the steel sheet (10.1); the first gear (11.6) is matched with the first toothed belt (10.2); the second gear (11.10) is matched with the second toothed belt (10.3).

8. The auxiliary guide wire insertion device for the neural intervention operation as set forth in claim 1, wherein the toothed belt (10) is fixedly connected to the stretching head (5).