CN217040254U - Superficial soft tissue foreign body extractor - Google Patents

Abstract

The utility model relates to a superficial soft tissue foreign matter extractor, which comprises a tunnel device and an extracting device; the tunnel device comprises a needle seat, a needle cap, an inner needle rod and an outer needle tube, wherein the needle seat is fixedly connected with the outer needle tube, the inner needle rod is fixedly connected with the needle cap, and the needle seat is in threaded connection with the needle cap; the extraction device includes handle, protection tube, connecting rod and chuck, the chuck is including two at least clamping jaws that set up in groups, extraction device has the handle opens operating condition to the chuck that the chuck direction removed, and the handle is to keeping away from the closed operating condition of chuck that the chuck direction removed. The utility model discloses a superficial soft tissue foreign matter extractor can shorten the operation time, increase the operation success rate.

Description

Superficial soft tissue foreign body extractor

Technical Field

The utility model relates to a superficial soft tissue foreign matter extractor belongs to medical instrument technical field.

Background

The foreign body extraction of superficial soft tissues (such as mammary gland) is applied more and more in clinic, and patients are involved in war, traffic accident and the like, and some foreign bodies such as shrapnel, glass fragment, iron sheet and the like are left in the body due to the fact that the foreign bodies enter the superficial soft tissues due to external environment. At present, the removal through the surgical operation is common, but the conventional surgical operation has the disadvantages of large wound, long operation time, slow recovery of the patient and huge wound caused by the conventional surgical operation.

With the development of endoscope technology, part of foreign bodies in the alimentary canal, the biliary tract or the intestines and stomach can be taken out by using a foreign body forceps or a snare under the guidance of a laryngoscope, a gastroscope, an enteroscope and the like, the wound is small, the recovery is fast, particularly, the foreign bodies in the stomach are taken out by the gastroscope, and the pain and the cost of taking the foreign bodies by the operation of a patient can be avoided if the foreign bodies can be successfully taken out by the gastroscope. However, the superficial soft tissue does not have a channel through which an endoscope passes, and therefore the above method is not suitable for the removal of foreign matter from the superficial soft tissue.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: provides a superficial soft tissue foreign body extractor which can shorten the operation time and increase the success rate of the operation.

In order to solve the technical problem, the utility model provides a technical scheme is: a superficial soft tissue foreign body extractor comprises a tunnel device and an extracting device;

the tunnel device comprises a needle seat, a needle cap, an inner needle rod and an outer needle tube, wherein the needle seat is fixedly connected with the outer needle tube, the inner needle rod is fixedly connected with the needle cap, the needle seat is in threaded connection with the needle cap, and the inner needle rod is inserted from one end of the outer needle tube and extends out from the other end of the outer needle tube;

the taking-out device comprises a handle, a protective tube, a connecting rod and a chuck, wherein the shape and the size of the protective tube are matched with those of the outer needle tube; the clamping head comprises at least two clamping jaws which are arranged in a group, each clamping jaw consists of a supporting section and a clamping section, and the supporting sections and the clamping sections are fixedly connected together; the connecting rods and the clamping jaws are the same in number and correspond to one another, the handles extend into the protective tube from the outside of the protective tube and can slide along the protective tube, the handles are hinged to one ends of the connecting rods, the other ends of the connecting rods are hinged to the supporting sections of the corresponding clamping jaws, the protective tube is hinged to the clamping jaws, and the hinged position of the connecting rods and the clamping jaws is located at the connecting position of the supporting sections and the clamping section;

the taking-out device is provided with a chuck opening working state that the handle moves towards the chuck direction and a chuck closing working state that the handle moves towards the direction far away from the chuck.

Preferably, a handle is arranged on the handle, and one end, far away from the handle, of the handle is hinged to the connecting rod.

Preferably, the number of the connecting rods and the number of the clamping jaws are two or three.

Preferably, the handle is sleeved with a return spring, and the return spring is located between a handle of the handle and the protection tube.

Utilize the utility model discloses the mechanism of operation that realizes the interior foreign matter of superficial soft tissue and takes out the function is as follows: (1) after the foreign body of the patient is positioned under the guidance of ultrasonic waves, the tunnel device is punctured percutaneously to reach the edge of the foreign body, and a channel is established with the outside; (2) pulling out a needle rod in the tunnel device, enabling the taking-out device to reach the edge of the foreign matter through the tunnel device, pressing a handle of the taking-out device to open the chuck, pulling the handle after the chuck wraps the foreign matter, completing grabbing of the foreign matter, and taking out the taking-out device from the tunnel device; (3) after the superficial soft tissue foreign bodies are removed, the tunnel device can be drawn out, and subsequent treatments such as sewing and the like are carried out on the wound.

The utility model discloses a tunnel device establishes the passageway that supplies the remove device to use, has overcome the defect that needs conventional surgery to get the shallow soft tissue foreign matter among the prior art, has not only shortened the operation time, and the patient resumes also very fast moreover, has reduced the wound of disease. The utility model discloses can take out the device of foreign matter from the superficial soft tissue under the supersound guide, simple structure, easy operation, repeatedly usable realize accurate taking out in minimal access surgery and have the significance.

In addition, the utility model discloses a passageway that tunnel device established is different with the passageway of human self of alimentary canal, biliary tract or intestines and stomach, does not have the elasticity. For a narrow passage space, the applicant has realized the foreign matter removal function by improving the chuck structure of the removal device to enter and exit the passage when the chuck is contracted.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a tunnel device according to a first embodiment.

Fig. 2 is a schematic cross-sectional view of fig. 1.

FIG. 3 is a schematic view of the removing device according to the first embodiment.

Fig. 4 is a partially enlarged schematic view of fig. 3.

FIG. 5 is a schematic view of the installation of the chuck in the first embodiment.

FIG. 6 is a schematic view of a chuck in accordance with one embodiment.

FIG. 7 is a schematic view showing the installation of the cartridge according to the second embodiment.

Reference numerals: 1. an inner needle bar; 2. an outer needle tube; 3. a needle seat; 4. a needle cap; 5. a chuck; 6. protecting the tube; 7. a handle; 8. a handle; 9. a connecting rod; 10. a clamping jaw.

Detailed Description

Examples

To the problem that in the operation is taken out to superficial soft tissue foreign matter, the surgery operation is complicated, long, patient's wound is big etc, this embodiment has provided a superficial soft tissue foreign matter extractor, including tunnel device and extraction element.

As shown in fig. 1 and 2, the tunnel device comprises a needle seat 3, a needle cap 4, an inner needle rod 1 and an outer needle tube 2, the needle seat 3 is fixedly connected with the outer needle tube 2, the inner needle rod 1 is fixedly connected with the needle cap 4, the needle seat 3 is in threaded connection with the needle cap 4, and the inner needle rod 1 is inserted from one end of the outer needle tube 2 and extends out from the other end of the outer needle tube 2. The inner needle rod is mainly used for puncture, and the outer needle tube mainly establishes a channel, and the length and the diameter of the channel are selected according to the size and the position of foreign matters.

As shown in fig. 3-6, the withdrawing means comprises a handle 7, a protective tube 6, a connecting rod 9 and a chuck 5, wherein the protective tube 6 is matched with the shape and the size of the outer needle tube 2.

The chuck 5 comprises two clamping jaws 10 arranged in a group, wherein each clamping jaw 10 consists of a supporting section and a clamping section, and the supporting section and the clamping section are fixedly connected with each other and preferably integrally arranged. The same and the one-to-one of quantity of connecting rod 9 and clamping jaw 10, handle 7 stretches into in the protection tube 6 and can follow protection tube 6 and slide from protection tube 6 is outer, handle 7 is articulated with the one end of connecting rod 9, the other end of connecting rod 9 is articulated with the support section that corresponds clamping jaw 5, protection tube 6 is articulated with clamping jaw 5, and articulated department between them is located the junction of support section and clamping section.

The taking-out device has a chuck opening working state that the handle 7 moves towards the direction of the chuck 5 and a chuck closing working state that the handle 7 moves towards the direction far away from the chuck 5, namely the handle 7 controls the chuck to close and open so as to realize the function of grabbing foreign matters.

The chuck that this embodiment adopted is two claw chucks, when remove device was in chuck open operating condition, two clamping jaws took place to deviate from the motion in opposite directions, when remove device was in chuck closed operating condition, two clamping jaws were respectively to the relative motion of other side. The applicant shows through experiments that the two-jaw chuck is more suitable for clamping foreign matters with the size of more than 1 cm from the superficial soft tissues.

The implementation process of the superficial soft tissue foreign body extractor of the embodiment is as follows: after foreign matters in superficial soft tissues of a patient are positioned under the guidance of ultrasound, an ultrasound probe is tightly attached to the body surface of the patient, then a tunnel device is selected according to the diameter of the foreign matters in the superficial soft tissues, and the tunnel device is punctured to the proper position of the foreign matters through the skin; the taking-out device reaches the edge of the foreign body through the tunnel device, the opening and closing of the chuck are controlled through the handle, the foreign body is grabbed, then the tunnel device is withdrawn, and meanwhile, the tunnel device is taken out of the human body to treat the wound.

Through the realization process, the foreign body is taken out by the taking-out device through establishing the channel under the ultrasonic guidance, and the posture of the taking-out device can be monitored in the process of grabbing the foreign body, so that the operation time is shortened, and the operation success rate is increased.

The embodiment can be further modified as follows: 1) as shown in fig. 3, a handle 8 is arranged on the handle 7, and one end of the handle 7 far away from the handle 8 is hinged with the connecting rod. 2) The handle 7 is sleeved with a return spring (not shown in the figure), the return spring is positioned between the handle 8 of the handle 7 and the protection tube 6, so that the operation is convenient, and under the action of the spring, the taking-out device is in a chuck closed working state in a natural state, so that the taking-out device is convenient to enter and exit a channel.

Example two

The difference between the present embodiment and the first embodiment is: the number of jaws in the chuck is different, and as shown in fig. 7, the chuck 5 has three jaws in total in this embodiment, and accordingly, the number of connecting rods 9 is also three. As described in example one, the two-jaw chuck is not effective for 1 cm or less of superficial soft tissue foreign matter, so the applicant uses the three-jaw chuck to clamp 1 cm or less of superficial soft tissue foreign matter. Of course, the number of jaws may be adjusted as desired, such as four or five, or more.

In this embodiment, when the extracting device is in the chuck and opens operating condition, three clamping jaws separate gradually, when the extracting device is in chuck closed operating condition, three clamping jaws gather together gradually.

When the device is used, the taking-out device reaches the edge of the foreign body through the tunnel device, the three-jaw chuck is controlled to open and close through the handle to grab the foreign body, then the device exits from the tunnel device, and meanwhile, the tunnel device is taken out of the human body to treat wounds.

Claims (4)

1. The utility model provides a shallow soft tissue foreign matter extractor which characterized in that: comprises a tunnel device and a taking-out device;

the tunnel device comprises a needle seat, a needle cap, an inner needle rod and an outer needle tube, wherein the needle seat is fixedly connected with the outer needle tube, the inner needle rod is fixedly connected with the needle cap, the needle seat is in threaded connection with the needle cap, and the inner needle rod is inserted from one end of the outer needle tube and extends out from the other end of the outer needle tube;

the taking-out device comprises a handle, a protective tube, a connecting rod and a chuck, wherein the shape and the size of the protective tube are matched with those of the outer needle tube; the clamping head comprises at least two clamping jaws which are arranged in a group, each clamping jaw consists of a supporting section and a clamping section, and the supporting sections and the clamping sections are fixedly connected together; the connecting rods and the clamping jaws are the same in number and correspond to one another, the handle extends into the protective tube from the outside of the protective tube and can slide along the protective tube, the handle is hinged to one end of each connecting rod, the other end of each connecting rod is hinged to the supporting section of the corresponding clamping jaw, the protective tube is hinged to the clamping jaws, and the hinged position of the connecting rods and the clamping jaws is located at the connecting position of the supporting section and the clamping section;

the taking-out device is provided with a chuck opening working state that the handle moves towards the chuck direction and a chuck closing working state that the handle moves towards the direction far away from the chuck.

2. The superficial soft tissue foreign body extractor of claim 1, wherein: the handle is provided with a handle, and one end of the handle, which is far away from the handle, is hinged with the connecting rod.

3. The superficial soft tissue foreign body extractor of claim 1, wherein: the number of the connecting rods and the number of the clamping jaws are two or three.

4. The superficial soft tissue foreign body extractor of claim 1, wherein: the handle is sleeved with a return spring, and the return spring is located between a handle of the handle and the protection tube.

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