CN219089574U - High puncture ligature needle for child sheath process - Google Patents

Abstract

The utility model relates to the field of medical equipment, and discloses a high-position puncture ligature needle for children, which comprises a needle sheath and a needle core, wherein the puncture end of the needle sheath is a smooth arc end, the needle core comprises a core sleeve and a core rod penetrating through the core sleeve, the core sleeve is connected with a core seat, the core rod penetrates through the core seat to be connected with a push block, an elastic supporting piece is connected between the push block and the core seat, an elastic net basket is fixed at the end part of the core rod, which is far away from the push block, and the end part of the elastic net basket, which is far away from the push block, is fixed on an end block with smooth surface. The utility model can solve the problems that the existing laparoscopic sheath-like process high ligation operation technology adopts a hernia puncture needle to assist and is easy to form puncture damage.

Description

High puncture ligature needle for child sheath process

Technical Field

The utility model relates to the field of medical equipment, in particular to a high puncture ligature needle for children's sheath process.

Background

The infantile hydrocele of the tunica vaginalis is a common congenital disease of urinary surgery of male infants, and the children with the sheath process still not closed beyond 1 year old are generally considered to be treated by the operation of ligation operation at high position of the sheath process.

Traditional surgery requires making an open incision about 5cm long in the inguinal region, separating and incising the inguinal canal, ligating the sheath at the inner annular orifice, and the surgical trauma is greatest. The traditional laparoscopic high-order ligation operation for the sheath process generally comprises a three-hole laparoscope, a double Kong Fuqiang laparoscope and a single-hole multichannel laparoscope, wherein each single hole needs to be cut, at least one single-hole cut exceeds 1cm, and the operation wound is large. The smaller the operation wound is, the smaller the influence on the body of the child patient is, the operation risk and the complications are correspondingly reduced, the child patient can be quickly recovered and discharged, the surgical quick recovery concept is more met, and the traditional operation obviously cannot meet the requirement.

In addition, in the traditional operation, various instruments are needed for tissue separation, silk thread traction, silk thread ligation, wound suturing and other operations, the operation is complex, the operation time is long, and the operation difficulty is high. The traditional laparoscopic sheath-like process high ligation operation is assisted by the existing part of special hernia puncture needles, but the puncture needles are generally thicker, larger puncture cuts are needed, and a groove band wire is needed to be reserved at the needle tip for operation, so that the needle cannot be smooth, and puncture damage is easy to form.

Disclosure of Invention

The utility model aims to provide a child sheath high-position puncture ligature needle, which aims to solve the problems that the existing laparoscopic sheath high-position ligation operation technology adopts a hernia puncture needle to assist and puncture damage is easy to form.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a child sheath form apophysis high-order puncture ligature, includes needle sheath and nook closing member, and the puncture end of needle sheath is smooth circular arc end, and the nook closing member includes the core cover and wears to establish the core bar in the core cover, and the core cover is connected with the core seat, and the core bar passes the core seat and is connected with the ejector pad, is connected with elastic support piece between ejector pad and the core seat, and the end fixing that the core bar deviates from the ejector pad has the elastic basket, and the end that the elastic basket deviates from the ejector pad is fixed on a surperficial slick and sly end piece.

The principle and the advantages of the scheme are as follows: in practical application, the needle sheath is used as a main structure of puncture, and the puncture end of the needle sheath adopts a smooth arc structure, so that the needle sheath can puncture smoothly and avoid puncture damage. The needle core is used for assisting puncture and introducing ligature silk thread into abdominal cavity, a sleeve insertion structure of the core sleeve and the core rod is adopted, the core sleeve provides positioning support for the core rod, the core rod can slide back and forth relative to the core sleeve through an elastic support piece between the core seat and the push block, the elastic basket at the end part of the core rod can be retracted in the needle sheath when being punctured, and after the puncture is in place, the push block can be pressed to extend out of the needle sheath and be stretched out under self elasticity. In the high ligation operation of the sheath-like process, the silk thread can be penetrated into the elastic basket firstly, then the needle core is penetrated into the needle sheath, then the needle sheath is used for performing puncture operation, the elastic basket is extended after the needle core is punctured into place from the inner side of the inner ring opening, the silk thread can be taken down from the elastic basket through the laparoscopic channel, then the needle sheath is withdrawn, and the silk thread is pulled out after the needle core is punctured into place from the outer side of the inner ring opening, so that the ligation operation can be performed on the sheath-like process. According to the scheme, on one hand, the arc structure is adopted for the puncture end of the needle sheath, and the end block with smooth surface is adopted for the end part of the core rod, so that puncture damage in the puncture process can be effectively avoided; on the other hand, the structure of the push block, the core seat, the elastic supporting piece, the core sleeve, the core rod and the elastic net basket is adopted, the ligature silk thread can be sent in place once when puncturing, the positioning conveying and fixed-point pulling operation of the silk thread are simple and convenient, the operation time is shortened, and the operation difficulty is reduced.

Preferably, as a modification, the outer diameter of the needle sheath is 1.2mm. When the needle sheath is used, the puncture can be completed only by making a notch of not more than 2mm on the skin at the projection position of the surface of the inner ring opening, the wound is far smaller than that of the prior art, the recovery of a patient is facilitated, the 18G puncture needle sheath in the prior art can be directly used by the outer diameter, the acquisition is convenient, the additional processing and manufacturing are not needed, and the cost is low.

Preferably, as an improvement, the needle sheath is connected with a sheath seat, and two threading holes which are symmetrically distributed at 180 degrees are arranged on the sheath seat. The sheath seat is used as an operation holding part of the needle sheath and is also a supporting structure of the needle sleeve, and the symmetrically distributed threading holes can facilitate the clamping of one end of the ligature silk thread when the needle core does not completely withdraw from the needle sheath, so that the silk thread can enter the abdominal cavity along with the needle core while puncturing, and the ligature silk thread is more time-saving and labor-saving to use.

Preferably, as a modification, the elastic support member is a cylindrical rubber sleeve sleeved outside the core rod. Such elastic support piece can provide sufficient support under the condition of not compressing and make ejector pad and core seat keep fixed distance for the needle core can not stretch out outside the needle sheath, can also automatic re-setting when removing pressure after compressing, makes the use of needle core more convenient.

Preferably, as a modification, the elastic basket is a spherical basket formed by encircling four elastic metal wires. The elastic basket can be used for sleeving the stone basket commonly used in urology department, and is not required to be produced independently, so that the elastic basket is convenient to obtain, the silk threads are convenient to wear after the elastic basket is unfolded, and tissue damage cannot be caused.

Preferably, as a modification, the elastic basket is in the shape of a water drop sphere with a small end connected with the core rod and a large end connected with the end block. Therefore, after the threading is completed in place, the small end can enter the needle sheath more easily, so that the elastic basket can be more smoothly contracted, and the operation and the use are more convenient.

Preferably, as a modification, the end block is in the shape of a water drop sphere with a small end connected with the elastic basket. Such an end block can further avoid puncturing damage to human tissue during puncturing.

Preferably, as a modification, a gap is left between the core sleeve and the needle sheath. This further facilitates the entry of the wire into the needle sheath.

Preferably, as a modification, the core print is screwed onto the sheath print. Therefore, the core seat and the sheath seat are stably connected, and the elastic net basket is more convenient to operate when the elastic net basket needs to be withdrawn for threading the silk thread.

Preferably, as an improvement, the elastic supporting piece can also be a spring sleeved outside the core bar, and clamping grooves for positioning the end parts of the spring are arranged on the core seat and the push block. Thus, the elastic supporting piece, the pushing block and the core seat can be disassembled, and the disinfection treatment of each part is facilitated.

Drawings

FIG. 1 is a schematic view showing the structure of a needle sheath in example 1 of the present utility model.

Fig. 2 is a schematic structural view of a needle core in embodiment 1 of the present utility model.

Fig. 3 is a schematic diagram of a converging state according to embodiment 1 of the present utility model.

Fig. 4 is a schematic view showing the structure of the pushing state of embodiment 1 of the present utility model.

Fig. 5 is an enlarged view at a in fig. 3.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: needle sheath 1, sheath holder 101, threading hole 102, piercing end 103, needle core 2, core holder 201, elastic support 202, push block 203, elastic basket 204, end block 205, core sleeve 206, and core rod 207.

Example 1, substantially as shown in fig. 1 and 2: the high-position puncture ligature needle for the child sheath process comprises a needle sheath 1 and a needle core 2, wherein the puncture end 103 of the needle sheath 1 is a smooth arc end, and the outer diameter of the needle sheath 1 is 1.2mm. The needle sheath 1 is connected with a sheath seat 101 by hot melting, and two threading holes 102 symmetrically distributed at 180 degrees are arranged on the sheath seat 101. As shown in fig. 3 and 5, the needle core 2 includes a core sleeve 206 and a core rod 207 inserted into the core sleeve 206, the core sleeve 206 is connected with a core holder 201 by hot melt, and the core rod 207 is adhered with a push block 203 by passing through the core holder 201. An elastic supporting piece 202 is arranged between the push block 203 and the core seat 201, the elastic supporting piece 202 is a cylindrical rubber sleeve sleeved outside the core rod 207, and two ends of the rubber sleeve are adhered to the push block 203 and the core seat 201. The end part of the core rod 207, which is away from the push block 203, is welded and fixed with an elastic basket 204, the elastic basket 204 is a spherical basket formed by encircling four elastic metal wires, and the elastic basket 204 is in a water drop sphere shape with a small end connected with the core rod 207 and a large end connected with the end block 205. The end of the elastic basket 204, which is away from the push block 203, is welded and fixed on an end block 205 with a smooth surface, and the end block 205 is in a water drop sphere shape, the small end of which is connected with the elastic basket 204.

The needle core 2 is arranged in the needle sheath 1 in a penetrating way, the core seat 201 is connected to the sheath seat 101 in a threaded way, and a gap is reserved between the core sleeve 206 and the needle sheath 1.

The specific implementation process is as follows: in this embodiment, the needle sheath 1 is modified by an 18G puncture needle, the core rod 207, the elastic basket 204 and the end block 205 are modified by a conventional stone-sleeved basket for urology department, the core sleeve 206 is of a size of 3Fr or less, and the ligature thread is 4-0.

The process applied to the pediatric high-level puncture ligation operation comprises the following steps:

after the general anesthesia succeeds, the infant takes the prone position with the two legs slightly separated. The operator stands on the left side of the infant, and two assistants stand on the right side and the head side of the infant.

(1) Establishing pneumoperitoneum: taking a 5mm incision on the lower edge of the navel, penetrating a pneumoperitoneum needle into the abdominal cavity to establish pneumoperitoneum, placing 5 mmTrocur as an observation hole under the pressure of 8-10 mmHg. The operating table is adjusted to make the head and foot of the child about 30 degrees, and the child is put into a ureteroscope or a nephroscope at a position of 15 degrees on the side of the child, and the structure of the groin area is observed to determine the position of the sheath-like process.

(2) Puncturing: the skin is cut by 2mm at the projection position of the surface of the inner ring opening, the needle core 2 is inserted into the needle sheath 1, one end of the silk thread is inserted into the threading hole 102 penetrating out to the other side when the elastic net basket 204 passes through the threading hole 102, the core holder 201 is pushed to the sheath holder 101, and the core holder 201 is screwed on the sheath holder 101. At this time, one end of the thread is clamped and pulled to the front end of the needle sheath 1 by the elastic basket 204, and the other end is positioned outside the threading hole 102. The needle sheath 1 sequentially passes through subcutaneous and abdominal muscle layers to enter the peritoneum, is separated along the inner half circumference of an inner ring mouth, enters the abdominal cavity from the peritoneum of a spermatic cord below the inner ring mouth, pushes the push block 203 to the core seat 201, pushes the core rod 207 out of the core sleeve 206 and the needle sheath 1 as shown in fig. 4, and the elastic basket 204 enters the abdominal cavity to be automatically unfolded, and the ends of the wires carried by the elastic basket 204 are pulled into the abdominal cavity by using a foreign body forceps through an operation channel of a ureteroscope or a nephroscope, wherein the length of the wires is about half of the total length of the wires, and the other ends of the wires are left outside the body. The push block 203 is released, the push block 203 is reset under the action of the elastic support 202, the elastic basket 204 is pulled and retracted back into the needle sheath 1, and at this time the wires are separated from the elastic basket 204 and still pass through the needle sheath 1. The foreign body forceps hold the end of the silk thread, the silk thread is withdrawn from the needle sheath 1, the end of the silk thread outside the body is separated from the needle sheath 1, and the end of the silk thread outside the body is fixed properly. The needle sheath 1 is replaced, re-entered along the puncture path, separated along the outer half-circumference of the inner collar opening, and entered into the abdominal cavity from where the wire penetrates the peritoneum.

(3) Wire and in vitro knotting: pushing the push block 203 again, pushing the elastic basket 204 out of the needle sheath 1, self-expanding the elastic basket 204, and inserting the clamped end of the wire into the expanded elastic basket 204 by using the foreign matter forceps. The pushing block 203 is loosened, the elastic supporting piece 202 drives the core rod 207 to reset, the elastic basket 204 clamps the end part of the silk thread to be contracted into the needle sheath 1, the end part of the silk thread in the abdominal cavity is led out of the body along the needle sheath 1 after the needle sheath 1 is withdrawn, the elastic basket 204 is released again through the pushing block 203 to release the clamped end part of the silk thread, and the thread is knotted subcutaneously with the other end of the silk thread outside, so that the sheath-shaped process is closed. The ureteroscope is taken out, the Tromar is taken out after the CO2 in the abdominal cavity is emptied, and a small incision is sutured in the skin. The hydrocele in the tunica vaginalis is pumped out by a syringe, and the operation is finished.

Thus, the high puncture ligature needle for the child sheath provided by the technical scheme of the utility model is used for ligating the sheath, the operation can be completed by only making a 5mm small incision under the umbilicus and placing a ureteroscope or a nephroscope and making a 2mm incision at the projection position of the surface of an inner ring opening, the puncture end 103 of the needle sheath 1 used in the puncture process is a smooth circular arc end, the core rod 207 enters the end block 205 of the abdominal cavity in a water drop shape, the puncture damage to internal tissues can not be caused, the operation wound on the child is far smaller than that in the prior art, the influence on the body of the child is smaller, the operation risk and the complications are correspondingly reduced, the child is quickly recovered and discharged, the operation is in accordance with the surgical quick recovery concept, and the operation curative effect is safe and reliable. And only need use puncture ligature needle that this embodiment provided, use soft foreign matter pincers with ureteroscope or nephroscope, can accomplish the ligature operation, can obviously reduce the operation degree of difficulty, reduce operation time.

In embodiment 2, the difference between the present embodiment and embodiment 1 is that the elastic support 202 is a spring sleeved outside the core rod 207, and the core holder 201 and the push block 203 are provided with a clamping groove for positioning the end of the spring. Thus, the elastic supporting piece 202, the push block 203 and the core seat 201 can be disassembled, and the disinfection treatment of each component is facilitated.

In embodiment 3, the difference between the present embodiment and embodiment 1 is that the core sleeve 206 and the core holder 201 are not provided, the core rod 207 is directly inserted into the needle sheath 1, and the elastic support 202 is a spring sleeved on the core rod 207 between the push block 203 and the sheath holder 101.

The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (9)

1. The utility model provides a children sheath form apotheca high position puncture ligature, includes needle sheath and nook closing member, its characterized in that: the puncture end of the needle sheath is a smooth arc end, the needle core comprises a core sleeve and a core rod penetrating through the core sleeve, the core sleeve is connected with a core seat, the core rod penetrates through the core seat to be connected with a push block, an elastic supporting piece is connected between the push block and the core seat, an elastic net basket is fixed at the end part of the core rod, which is away from the push block, and the end part of the elastic net basket, which is away from the push block, is fixed on an end block with a smooth surface.

2. A pediatric sheath high puncture needle as set forth in claim 1, wherein: the outer diameter of the needle sheath is 1.2mm.

3. A pediatric sheath high puncture needle as set forth in claim 2, wherein: the needle sheath is connected with a sheath seat, and two threading holes which are symmetrically distributed at 180 degrees are arranged on the sheath seat.

4. A pediatric sheath high puncture needle as recited in claim 3, wherein: the elastic support piece is a cylindrical rubber sleeve sleeved on the outer side of the core rod.

5. A pediatric sheath high puncture needle as set forth in claim 1, wherein: the elastic basket is a spherical basket formed by encircling four elastic metal wires.

6. A pediatric sheath high puncture needle as recited in claim 5, wherein: the elastic basket is in a water drop sphere shape with a small end connected with the core bar and a large end connected with the end block.

7. A pediatric sheath high puncture needle as set forth in claim 1, wherein: the end block is in a water drop sphere shape, and the small end of the water drop sphere is connected with the elastic basket.

8. A pediatric sheath high puncture needle as set forth in claim 1, wherein: a gap is reserved between the core sleeve and the needle sheath.

9. A pediatric sheath high puncture needle as recited in claim 3, wherein: the core seat is connected to the sheath seat in a threaded manner.

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